AudioTrack.cpp revision 396fabdb6efcdac5aea3d9f559d1beedf6a4cedc
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) { 5766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 5833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 59e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 6066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputFrameCount(&afFrameCount, streamType); 6166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 6266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 6333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 6566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputLatency(&afLatency, streamType); 6666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 6766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 6833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 7033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 7133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minBufCount < 2) { 739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minBufCount = 2; 749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 7633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 77e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten afFrameCount * minBufCount * sampleRate / afSampleRate; 7866a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten // The formula above should always produce a non-zero value, but return an error 7966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten // in the unlikely event that it does not, as that's part of the API contract. 8066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (*frameCount == 0) { 8166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten ALOGE("AudioTrack::getMinFrameCount failed for streamType %d, sampleRate %d", 8266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten streamType, sampleRate); 8366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return BAD_VALUE; 8466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten } 853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("getMinFrameCount=%d: afFrameCount=%d, minBufCount=%d, afSampleRate=%d, afLatency=%d", 863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 8733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 8833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 93879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 944ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 954ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 101fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 103e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 10428b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 1060ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 10889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 109be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 1109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 111ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 112462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 113462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen int uid) 114879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1154ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1164ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1190d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 120a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 121462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 122462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen offloadInfo, uid); 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 125c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 126fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 128e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 12928b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1310ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 134be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 1359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 136ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 137462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 138462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen int uid) 139879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1404ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1414ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1440d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 14517a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 146462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, uid); 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 157b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 1583acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16253cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 16353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1653a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 170fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 172e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 17328b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 174e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten int frameCountInt, 1750ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 180be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 1819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 182ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 183462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 184462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen int uid) 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 1879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 1889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 1899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 1909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 1919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 1929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 1949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 1979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 1989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 1999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 2039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 2049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 2069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 2109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 2119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 2129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 2169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 2179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 221e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten // FIXME "int" here is legacy and will be replaced by size_t later 222e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (frameCountInt < 0) { 223e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGE("Invalid frame count %d", frameCountInt); 224e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten return BAD_VALUE; 225e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten } 226e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount = frameCountInt; 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 22985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 231e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set() streamType %d frameCount %u flags %04x", streamType, frameCount, flags); 2321a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 23553cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 2361dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 23729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 241b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = 0; 242b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 244fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 245fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 247ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 2493b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 250e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 251e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 252e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 255e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 256ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 258e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 259fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 263fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 2649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid format %d", format); 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 267c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2688ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 2698ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 2708ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 2718ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 2728ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 273e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 274e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 275e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 276e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 277e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 278e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 279c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 280b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 281b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 282b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 283b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 284b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 285b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 2860ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2880ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 289c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2901948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 2911948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 2921948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 2931948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 294c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 295a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 2960d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 297a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 299e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (audio_is_linear_pcm(format)) { 300e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 301e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = channelCount * sizeof(int16_t); 302e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 303e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = sizeof(uint8_t); 304e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = sizeof(uint8_t); 305e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 306e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 307fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 308fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 309e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 310ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald flags, 311ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald offloadInfo); 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 313c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 31429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 315c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 31934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 32005632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 321396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 322b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 323d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 325be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 326462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen if (uid == -1 || (IPCThreadState::self()->getCallingPid() != getpid())) { 327462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 328462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 329462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 330462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 3312beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 332093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 3334a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 334be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 335a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 336896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 337a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 338a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 339a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 34034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 3411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 3421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 343e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 3441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 3451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 3461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 3479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten output, 3489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 0 /*epoch*/); 349a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 35034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 351a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 352b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 353b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 354a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 355a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 356b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald //Use of direct and offloaded output streams is ref counted by audio policy manager. 357b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 358b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 359b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::releaseOutput(output); 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 36234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 365e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 3679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 3699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3712c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 3743a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 3759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 3769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 3779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 378b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = output; 3799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 38189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 385b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 387f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 388b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 3899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 390b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 3919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 3942b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 3959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 396b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 397b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 398b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 399b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 400b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 4029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 4039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 404ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 405ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 406ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 40789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 40996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 4129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 413b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 414b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 415b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 416b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 417b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 4329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 4339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 4369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 4379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 439b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 440b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 441b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 443879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 444a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 44589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 448b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 4499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 4509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 4529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 4539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 454397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 4559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 458b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 459b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 460b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 461b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 462b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 463b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 4659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 4669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 4679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 4689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 4699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 4709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Force flush if a shared buffer is used otherwise audioflinger 4719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // will not stop before end of buffer is reached. 4729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 4739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 477b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 4799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 480b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (!isOffloaded()) { 481b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 482b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 4859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 4869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4919a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 5029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5034bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 5049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 5081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 5099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 510c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5112c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 5122c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 5132c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 5142c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 515b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 516c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 518b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 519b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 520b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5224bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 52389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 52489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 52689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 527f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 528b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 529b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 530b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 531b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 532b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 5339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 53489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 53789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 53889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 539be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 54089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 541f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 542be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 543be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 544be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 549e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 550be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 55159fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent if (isOffloaded()) { 55259fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 55359fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 554be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 557b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 55889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 559b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 560be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 561be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5622beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 563be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 56405632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 565be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 566be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 567be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 569be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 570e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 571be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 572be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 573be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 574be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 575a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 576be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 577be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 5789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 579be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5823b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 584b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mIsTimed || isOffloaded()) { 5854ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5864ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5874ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 590573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 593d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) { 594d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 595d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 598e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 599e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 600e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 601573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 604a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6064ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 6073b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 6084ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6094ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6116f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 6126f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 6136f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 6146f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 6156f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (isOffloaded()) { 6166f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (mOutput != 0) { 6176f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 6186f59db12a64f4496866952a251122ccb77a36c6bEric Laurent status_t status = AudioSystem::getSamplingRate(mOutput, mStreamType, &sampleRate); 6196f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 6206f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 6216f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 6226f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 6236f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 624e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 629b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 630083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 631083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 632083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 6349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 6369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 6379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 6449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 6459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 646c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 6479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 6529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME If setting a loop also sets position to start of loop, then 6549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // this is correct. Otherwise it should be removed. 6559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 6569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = loopCount != 0 ? loopEnd - loopStart : 0; 6579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 6589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 662fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 663b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 664d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 665d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6692c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 674a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 67589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 676b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 677b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 678b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 679d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 680d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 681d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 68289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 691fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 692b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 693d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 694d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 69989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 70089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 702a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 70389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 704b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 705b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 706b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 707d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 708d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 709d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 71089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 71389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 719b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 720d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 721d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 7239c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7249c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7259c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 7289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 7299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 7309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 7319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 7329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 7339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 735d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 7379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME Check whether loops and setting position are incompatible in old code. 7399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If we use setLoop for both purposes we lose the capability to set the position while looping. 7409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(position, mFrameCount, 0); 741c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 74289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 74389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) const 74689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 747d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 748d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 749d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 752b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 753b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 75489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 755b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput != 0) { 756b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 757b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 758b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 759b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 760b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 761b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 762b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 0 : 763b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->getPosition(); 764b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 76589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 76689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 76789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getBufferPosition(size_t *position) 7699c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 7709c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 7719c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 7729c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7739c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 7749c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7759c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7769c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 7799c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 7809c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 7819c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 78289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 78389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 784b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 785083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 786083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 787083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 7881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 7909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 791d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 792d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 7949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME The new code cannot reload while keeping a loop specified. 7969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Need to check how the old code handled this, and whether it's a significant change. 7979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(0, mFrameCount, 0); 79889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 79989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 80089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 801c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 802c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 8031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 804b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 8051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 8061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 8081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 8091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 810b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput) { 811b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 812b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 813b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return AudioSystem::getOutput(mStreamType, 814b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mSampleRate, mFormat, mChannelMask, mFlags); 815b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 816c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 817c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 818be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 819be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 8209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8212beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 8222beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 8232beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 8242beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 8252beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 826be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 827be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 82889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 82989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 8311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 832fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 83334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 834e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 835e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 8360ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 83734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 8389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_io_handle_t output, 8399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t epoch) 84034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 84134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 84234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 84334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 844e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 845e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 84634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 84734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 848ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 849ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 850d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 851ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getLatency(output, streamType, &afLatency); 852ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 8539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 854d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 855d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 856d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 857ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 858ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getFrameCount(output, streamType, &afFrameCount); 859ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 860ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, streamType, status); 861ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten return NO_INIT; 862ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 863ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 864ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 865ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getSamplingRate(output, streamType, &afSampleRate); 866ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 867ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten ALOGE("getSamplingRate(output=%d, streamType=%d) status %d", output, streamType, status); 868ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten return NO_INIT; 869ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 870ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 8714a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 8724a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 8730ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 8744a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 8754a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 8764a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 8774a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 8784a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 8793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 880093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 8810ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 882093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 8834a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 884e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 8854a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 886ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 887b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 888b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 889ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 2 normal track, no sample rate conversion 890ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 3 normal track, with sample rate conversion 891ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // (pessimistic; some non-1:1 conversion ratios don't actually need triple-buffering) 892ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n > 3 very high latency or very small notification interval; nBuffering is ignored 893ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten const uint32_t nBuffering = (sampleRate == afSampleRate) ? 2 : 3; 894ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 895d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 896e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 897fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 898e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 899d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 900e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 901d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 902e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 903e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 904d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 905b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 906b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 907b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 908e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (sharedBuffer != 0) { 909e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 910a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 911e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 912e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten size_t alignment = /* format == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 913a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 914e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 915e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 916e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 917a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (((size_t)sharedBuffer->pointer() & (alignment - 1)) != 0) { 918a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 919a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten sharedBuffer->pointer(), mChannelCount); 920e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 921e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 922e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 923e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 924e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 925e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 926e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 927a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten frameCount = sharedBuffer->size()/mChannelCount/sizeof(int16_t); 928e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 929e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 930e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 931e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 932e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 933d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 934d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 935bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten ALOGV("afFrameCount=%d, minBufCount=%d, afSampleRate=%u, afLatency=%d", 936bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 937ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (minBufCount <= nBuffering) { 938ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten minBufCount = nBuffering; 9397c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 940d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 941e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 942e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 9433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 9443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 945d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 946e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 947e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 948ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } else if (frameCount < minFrameCount) { 949e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 950e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 951e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 952e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 953e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 954ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Make sure that application is notified with sufficient margin before underrun 955ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 956ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 957ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 958e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 959e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 960e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 961d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 962d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 963a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 964a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 965a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 966a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 9673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 9683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 9690ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 9704a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 9713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 9723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 9733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 9744a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 9754a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 976b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 977b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 978b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 979b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 9808d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 98134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 98260a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 98360a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? 98460a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : format, 985a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 98634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 987e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 98834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 98934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 9903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 991be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 992d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten mName, 993462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 99434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 99534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 99634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 99729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 99834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 99934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1000d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1001d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 100229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 100334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 100434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 100553cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 10069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 10079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 10089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 10099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 101034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1011d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 1012d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); 1013d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 1014b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten size_t temp = cblk->frameCount_; 1015b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1016b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1017b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1018b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 1019b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 1020b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1021b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 1022a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 10233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 1024e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 1025b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", frameCount); 1026a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 10279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 1028b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // Theoretically double-buffering is not required for fast tracks, 1029b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // due to tighter scheduling. But in practice, to accommodate kernels with 1030b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // scheduling jitter, and apps with computation jitter, we use double-buffering. 1031b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1032b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 1036b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 1037093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1038093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 1039093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 10409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 1041ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1042ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1045e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10463acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1047b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1048b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1049b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1050b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1051b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1052b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 1053b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mFlags = flags; 1054b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NO_INIT; 1055b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1056b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1057b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 10589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 10599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 10619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 10629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 10639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 10649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 106534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 10669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 106734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 10689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = sharedBuffer->pointer(); 106934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 107034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 10712beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1072e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1073b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mLatency = afLatency + (1000*frameCount) / sampleRate; 1074b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1075093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1076093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1077b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1078b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1079093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1080e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1081e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 10829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 10839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 10849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 10859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 10869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 10879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 10889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1089e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | 1090e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten uint16_t(mVolume[LEFT] * 0x1000)); 1091e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1092e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 10939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 10949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 10959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 10979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->linkToDeath(mDeathNotifier, this); 1098e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 109934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 110034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 110134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 110289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 110389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 11059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 11069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 11089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 11099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 11109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 11119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 11129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 11159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 11169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 11179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 11189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 11199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 11209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 11219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 11229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 11239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 11249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 11259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 11269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 11279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 11289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 11309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 11319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 11339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 11349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 11359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 11369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 11379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1138e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 11399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 11409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 114189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 11439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 114489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 11469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 11479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 11489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 11499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 115089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 11529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 11549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 11559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 11569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 11579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 11589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 11599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 11609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1161b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1162b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1163b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 11649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 116589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 116689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1169c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 11719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 11729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 11739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1174b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1175b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1176b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1177b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1178b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1179b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1180b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1181b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 11829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 11839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 11849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 118589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 118689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1188c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 11909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 11919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 119289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 119489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 11969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 11979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 11989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 11999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 120089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 120289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 120389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 120489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 120589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 12079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 12119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 12129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 12169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 12179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1218e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 12191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 12209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 12219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 12229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 12249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 12259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 122696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1227d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten ALOGW("releaseBuffer() track %p name=%s disabled due to previous underrun, restarting", 1228d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten this, mName.string()); 12299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1230df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1231df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1232df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 123389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 123489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 123689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 123889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1240d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1241d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 124289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 124499e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 124599e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 12469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", buffer, userSize, userSize); 124789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 124889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 125189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 125289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 12549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1255c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 125789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 12589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 125989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1260d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 126189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 126289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 126389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 126489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 12650ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 126689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 12679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 12689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 12693302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 127089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 12719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 127289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 127489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 127589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 127689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 127789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 12789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 127989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 128189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 128289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 128489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12854ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 12864ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 12874ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12884ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12894ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 12904ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1291d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 12924ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 12934ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1295d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1296d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1297d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1298d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 12999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1300d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 13014ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 13024ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1303c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1304d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 130596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 13064ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 13074ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 130896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 13094ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13104ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13114ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13124ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 13134ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 131496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 13159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 13164ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 13184ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1319d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 13204ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13214ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13224ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 13234ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13244ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13254ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 13264ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 13274ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1328df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1329df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1330df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1331d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1332df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1333df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 133496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 133596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1336df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 13379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1338df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1339df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 13404ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1341df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 13424ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13434ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13444ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 13454ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 13464ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 13474ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 13484ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13494ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13504ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 13514ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13527c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 135389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1354fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1355fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1356fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1357fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1358fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 13591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1360a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1361a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1362a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1363a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1364a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1365a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1366a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1367a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1368a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1369a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1370a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1371a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1372a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1373a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1374a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1375a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1376a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1377b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1378b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1379a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 13801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 13829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 138396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1384a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 13859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 13869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1387b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1388b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1389b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1390b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (!isOffloaded() || (mSequence == mObservedSequence)) { 1391b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 1392b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1393b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // Run again immediately, but with a new IAudioTrack 1394b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1395b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 139689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1397c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1398b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 13999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 140089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 14029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 14039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 14049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 14059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 14069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 14079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 14089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 14099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 14109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 14119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 14129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 14139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 14159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 14169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 14179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 14189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 141989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 142089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 14229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 14239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 142489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 14259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 14269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 14279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 14299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 14309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 14339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 14349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 14359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 14369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 14389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 14399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 14409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 14439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t loopPeriod = mLoopPeriod; 14449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 14459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t notificationFrames = mNotificationFramesAct; 14469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 14479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 14489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 14499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 14509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1452b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 14539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 14569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 14579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 14599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1460b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1461b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AutoMutex lock(mLock); 1462b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1463b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald sp<AudioTrackClientProxy> proxy = mProxy; 1464b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald sp<IMemory> iMem = mCblkMemory; 1465b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1466b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1467b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1468b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1469b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1470b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1471b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = mProxy->waitStreamEndDone(&timeout); 1472b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.lock(); 1473b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1474b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1475b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1476b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1477b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1478b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 1479b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.lock(); 1480b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1481b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 1482b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (status != DEAD_OBJECT) { 1483b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1484b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1485b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1486b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1487b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald default: 1488b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1489b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1490b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1491b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 14939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 14959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 14989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 14999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 15029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 15039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 15099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 15109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 15129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1513b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 15159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 15169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1517b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1518b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1519b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1520b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 152189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 152289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 152689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 152789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 15299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 15309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 15319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 15329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 15339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 15359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 15389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 153989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 154089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 15429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 15439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 15449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 15452267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 15462267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 15479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 15489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 15519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 15569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 15579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 155989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 15619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 15639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 15649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 15679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1570c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 15729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 1579b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("obtainBuffer(%u) returned %u = %u + %u err %d", 1580b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 15819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1582b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1583b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 15849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 158589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 15879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 158889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 159042a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1599d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 160089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 160189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 160289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 160389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 16040ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 160589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 160689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 160789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 160889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 160989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 16109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 16119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenFrames = writtenSize / mFrameSize; 161289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 16149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 16159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) writtenSize); 16179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 16189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 16218555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 16228555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 16238555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 16248555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 16259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1626d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 162789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16280ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1629511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1630511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 16319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 163289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 163389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 16359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 16369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 16379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 16389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 16399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 16419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 164289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 164389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 164489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 16469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 16479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 16489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 16529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 16539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 16579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 16589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 16599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 16609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 16619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 16629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 16639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 16659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 166689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 16689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 16719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 167289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 167389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 16751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1676b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 1677b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald isOffloaded() ? "Offloaded" : "PCM", from); 16789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 16791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 16801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1681a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1682a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // output parameters in getOutput_l() and createTrack_l() 1683a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1684a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1685b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1686b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1687b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1688b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1689b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // force new output query from audio policy manager; 1690b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = 0; 1691b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald audio_io_handle_t output = getOutput_l(); 1692b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1693a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1694a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1695a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 1696cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1697cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 1698cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent size_t position = mProxy->getPosition() + mProxy->getFramesFilled(); 16999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t bufferPosition = mStaticProxy != NULL ? mStaticProxy->getBufferPosition() : 0; 1700a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = createTrack_l(mStreamType, 1701e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate, 1702a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFormat, 1703b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount, // so that frame count never goes down 1704a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFlags, 1705a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mSharedBuffer, 1706b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald output, 17079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten position /*epoch*/); 1708a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1709a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 17109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // continue playback from last known position, but 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // don't attempt to restore loop after invalidation; it's difficult and not worthwhile 17129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mStaticProxy != NULL) { 17139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 17149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(bufferPosition, mFrameCount, 0); 17159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME How do we simulate the fact that all frames present in the buffer at the time of 17179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // track destruction have been played? This is critical for SoundPool implementation 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This must be broken, and needs to be tested/debugged. 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 1720a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 17219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!strcmp(from, "start")) { 1722a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1723a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1724a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1725a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 172696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &mCblk->mFlags); 17271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1731a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 17321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 1735b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald //Use of direct and offloaded output streams is ref counted by audio policy manager. 1736b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 1737b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 1738b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::releaseOutput(output); 17399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 17409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 17411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 17441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 17451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1746ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1747ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1748ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 174953cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 1750ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1751ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1752ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1753ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 175453cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 1755fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 1756fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1757fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1758fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1759fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 1760fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1761fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1762fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 1763fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (status == NO_ERROR) { 1764fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten timestamp.mPosition += mProxy->getEpoch(); 1765fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1766fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 1767ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 1768ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 1769ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 1770ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1771b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput) { 1772b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return AudioSystem::getParameters(mOutput, keys); 1773b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1774b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 1775b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1776ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1777ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 17787c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 177989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 178089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 178189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 178289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 178389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 178489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 178589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 178685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 178785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 178889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 178985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, 1790b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 179189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1792e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 179389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 17949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 179589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 179689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 179789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 179889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 179989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 18019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 18039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 18049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 18079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18087c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 18099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 18119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 18129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 18139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 18149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 181789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 181889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 181989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 1820598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 1821598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 18223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18243acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18253acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 182689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 182789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 182889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 182989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 183089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 18313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 18323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 18343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 18353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 18363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 18373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1838598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 1839598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 1840598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 1841598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 18425a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 18435a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 18445a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 18455a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 18465a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 18475a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18489d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 18495a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 18505a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 18527c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 18539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 18549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 18559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 18575a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 18589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 18609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 18615a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 18625a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 18635a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 18645a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 18659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 18669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 18675a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 18689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 1869ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 187089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 187189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 18733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 18753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1876598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 18773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 18803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 18833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 18863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 1888598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 18899d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 18903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 18919d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 18923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 18933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 18943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18965a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 18975a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 18985a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 18995a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 19005a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 19015a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 19025a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 190389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1904