AudioTrack.cpp revision dd5f4c8c4059f890e81b28b026a688febb4e1dd9
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 } 219dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 2209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 222e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten // FIXME "int" here is legacy and will be replaced by size_t later 223e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (frameCountInt < 0) { 224e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGE("Invalid frame count %d", frameCountInt); 225e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten return BAD_VALUE; 226e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten } 227e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount = frameCountInt; 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 23085ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 232e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set() streamType %d frameCount %u flags %04x", streamType, frameCount, flags); 2331a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 23653cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 2371dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 23829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 242b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = 0; 243b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 245fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 246fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 248dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten if (uint32_t(streamType) >= AUDIO_STREAM_CNT) { 249dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten ALOGE("Invalid stream type %d", streamType); 250dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten return BAD_VALUE; 251dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 252dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mStreamType = streamType; 253ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 254b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten status_t status; 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 256b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten status = AudioSystem::getOutputSamplingRate(&sampleRate, streamType); 257b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten if (status != NO_ERROR) { 258b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten ALOGE("Could not get output sample rate for stream type %d; status %d", 259b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten streamType, status); 260b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten return status; 261e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 263e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 264ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 266e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 267fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 271fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 2729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid format %d", format); 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 275dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 276c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2778ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 2788ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 2798ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 2808ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 2818ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 282e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 283e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 284e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 285e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 286e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 287e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 288c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 289b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 290b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 291b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 292b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 293b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 294b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 2950ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2963acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2970ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 298c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2991948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 3001948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 3011948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 3021948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 303c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 304a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 3050d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 306a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 308e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (audio_is_linear_pcm(format)) { 309e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 310e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = channelCount * sizeof(int16_t); 311e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 312e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = sizeof(uint8_t); 313e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = sizeof(uint8_t); 314e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 315e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 316fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 317fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 318e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 319ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald flags, 320ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald offloadInfo); 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 322c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 32329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 324c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 32834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 32905632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 330396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 331b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 332d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 334be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 335462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen if (uid == -1 || (IPCThreadState::self()->getCallingPid() != getpid())) { 336462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 337462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 338462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 339462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 3402beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 341093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 3424a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 343be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 344a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 345896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 346a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 347a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 348a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 34934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 350b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten status = createTrack_l(streamType, 3511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 352e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 3531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 3541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 3551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 3569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten output, 3579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 0 /*epoch*/); 358a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 35934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 360a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 361b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 362b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 363a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 364a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 365b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald //Use of direct and offloaded output streams is ref counted by audio policy manager. 366b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 367b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 368b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::releaseOutput(output); 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 37134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 3739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 3759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3772c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 3803a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 3819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 3829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 3839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 384b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = output; 3859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 391b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 393f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 394b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 3959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 396b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 3979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 4002b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 4019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 402b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 403b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 404b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 405b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 406b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 4089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 4099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 410ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 411ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 412ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 41596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 4189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 419b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 420b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 421b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 422b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 423b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 4389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 4399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 4429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 4439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 445b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 446b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 447b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 449879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 450a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 45189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 454b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 4559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 4569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 4589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 4599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 460397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 4619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 46423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 465b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 466b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 467b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 468b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 469b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 4719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 4729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 4739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 4749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 4759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 4769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Force flush if a shared buffer is used otherwise audioflinger 4779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // will not stop before end of buffer is reached. 4789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 4799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 483b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 4859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 48623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 487b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 488b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 4919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 4929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4979a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 49989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 5089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5094bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 5109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 5141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 5159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 516c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5172c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 5182c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 5192c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 5202c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 521b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 522c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 52423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 525b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 526b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5284bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 52989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 53089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 53189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 53289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 533f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 534b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 535b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 536b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 537b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 538b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 5399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 54089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 545be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 547f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 548be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 549be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 550be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 55389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 555e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 556be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 55723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 55859fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 55959fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 560be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 563b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 565b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 566be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 567be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5682beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 569be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 57005632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 571be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 572be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 573be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 575be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 576e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 577be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 578be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 579be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 580be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 581a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 582be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 583be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 5849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 585be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5883b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 590b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mIsTimed || isOffloaded()) { 5914ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5924ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5934ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 596573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 599d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) { 600d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 601d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 604e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 605e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 606e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 607573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 60989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 610a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6124ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 6133b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 6144ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6154ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6176f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 6186f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 6196f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 6206f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 62123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 6226f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (mOutput != 0) { 6236f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 6246f59db12a64f4496866952a251122ccb77a36c6bEric Laurent status_t status = AudioSystem::getSamplingRate(mOutput, mStreamType, &sampleRate); 6256f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 6266f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 6276f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 6286f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 6296f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 630e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 635b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 636083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 637083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 638083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 6409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 6429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 6439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 64689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 6509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 6519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 652c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 6539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 6589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME If setting a loop also sets position to start of loop, then 6609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // this is correct. Otherwise it should be removed. 6619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 6629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = loopCount != 0 ? loopEnd - loopStart : 0; 6639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 6649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 668fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 669b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 670d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 671d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6752c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 67689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 680a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 682b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 683b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 684b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 685d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 686d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 687d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 69189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 69389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 697fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 698b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 699d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 700d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 70189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 70489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 708a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 710b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 711b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 712b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 713d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 714d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 715d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 71689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 71989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 72189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 72489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 725b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 726d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 727d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 7299c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7309c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7319c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 7349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 7359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 7369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 7379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 7389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 7399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 741d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 7439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME Check whether loops and setting position are incompatible in old code. 7459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If we use setLoop for both purposes we lose the capability to set the position while looping. 7469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(position, mFrameCount, 0); 747c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 74889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 74989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 75089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) const 75289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 753d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 754d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 755d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 75823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 759b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 76089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 761b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput != 0) { 762b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 763b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 764b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 765b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 766b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 767b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 768b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 0 : 769b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->getPosition(); 770b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 77189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 77289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 77389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getBufferPosition(size_t *position) 7759c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 7769c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 7779c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 7789c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7799c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 7809c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7819c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7829c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 7859c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 7869c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 7879c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 78889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 78989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 790b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 791083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 792083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 793083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 7941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 7969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 797d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 798d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 8009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 8019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME The new code cannot reload while keeping a loop specified. 8029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Need to check how the old code handled this, and whether it's a significant change. 8039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(0, mFrameCount, 0); 80489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 80589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 80689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 807c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 808c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 8091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 810b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 8111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 8121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 8141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 8151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 816b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput) { 817b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 818b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 819b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return AudioSystem::getOutput(mStreamType, 820b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mSampleRate, mFormat, mChannelMask, mFlags); 821b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 822c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 823c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 824be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 825be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 8269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8272beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 8282beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 8292beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 8302beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 8312beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 832be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 833be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 83489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 83589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 8371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 838fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 83934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 840e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 841e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 8420ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 84334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 8449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_io_handle_t output, 8459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t epoch) 84634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 84734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 84834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 84934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 850e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 851e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 85234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 85334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 854ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 855ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 856d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 857ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getLatency(output, streamType, &afLatency); 858ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 8599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 860d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 861d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 862d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 863ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 864ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getFrameCount(output, streamType, &afFrameCount); 865ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 866ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, streamType, status); 867ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten return NO_INIT; 868ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 869ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 870ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 871ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getSamplingRate(output, streamType, &afSampleRate); 872ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 873ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten ALOGE("getSamplingRate(output=%d, streamType=%d) status %d", output, streamType, status); 874ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten return NO_INIT; 875ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 876ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 8774a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 8784a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 8790ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 8804a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 8814a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 8824a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 8834a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 8844a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 8853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 886093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 8870ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 888093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 8894a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 890e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 8914a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 892ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 893b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 894b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 895ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 2 normal track, no sample rate conversion 896ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 3 normal track, with sample rate conversion 897ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // (pessimistic; some non-1:1 conversion ratios don't actually need triple-buffering) 898ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n > 3 very high latency or very small notification interval; nBuffering is ignored 899ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten const uint32_t nBuffering = (sampleRate == afSampleRate) ? 2 : 3; 900ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 901d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 902e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 903fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 904e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 905d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 906e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 907d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 908e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 909e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 910d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 911b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 912b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 913b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 914e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (sharedBuffer != 0) { 915e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 916a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 917e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 918e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten size_t alignment = /* format == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 919a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 920e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 921e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 922e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 923a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (((size_t)sharedBuffer->pointer() & (alignment - 1)) != 0) { 924a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 925a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten sharedBuffer->pointer(), mChannelCount); 926e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 927e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 928e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 929e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 930e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 931e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 932e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 933a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten frameCount = sharedBuffer->size()/mChannelCount/sizeof(int16_t); 934e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 935e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 936e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 937e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 938e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 939d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 940d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 941bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten ALOGV("afFrameCount=%d, minBufCount=%d, afSampleRate=%u, afLatency=%d", 942bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 943ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (minBufCount <= nBuffering) { 944ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten minBufCount = nBuffering; 9457c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 946d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 947e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 948e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 9493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 9503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 951d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 952e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 953e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 954ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } else if (frameCount < minFrameCount) { 955e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 956e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 957e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 958e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 959e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 960ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Make sure that application is notified with sufficient margin before underrun 961ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 962ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 963ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 964e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 965e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 966e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 967d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 968d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 969a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 970a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 971a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 972a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 9733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 9743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 9750ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 9764a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 9773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 9783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 9793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 9804a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 9814a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 982b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 983b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 984b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 985b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 9868d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 98734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 98860a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 98960a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? 99060a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : format, 991a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 99234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 993e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 99434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 99534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 9963acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 997be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 998d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten mName, 999462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 100034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 100134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 100234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 100329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 100434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 100534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1006d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1007d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 100829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 100934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 101034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 10110cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 10120cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 10130cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 10140cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 10150cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 101653cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 10179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 10189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 10199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 10209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 102134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1022d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 10230cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1024d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 1025b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten size_t temp = cblk->frameCount_; 1026b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1027b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1028b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1029b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 1030b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 1031b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1032b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 1033a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 10343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 1035e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 1036b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", frameCount); 1037a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 10389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 1039b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // Theoretically double-buffering is not required for fast tracks, 1040b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // due to tighter scheduling. But in practice, to accommodate kernels with 1041b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // scheduling jitter, and apps with computation jitter, we use double-buffering. 1042b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1043b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10463acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 1047b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 1048093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1049093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 1050093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 10519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 1052ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1053ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1056e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10573acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1058b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1059b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1060b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1061b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1062b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1063b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 1064b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mFlags = flags; 1065b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NO_INIT; 1066b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1067b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1068b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 10699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 10709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 10729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 10739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 10749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 10759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 107634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 10779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 107834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 10799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = sharedBuffer->pointer(); 108034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 108134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 10822beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1083e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1084b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mLatency = afLatency + (1000*frameCount) / sampleRate; 1085b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1086093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1087093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1088b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1089b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1090093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1091e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1092e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 10939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 10949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 10959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 10969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 10979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 10989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 10999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1100e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | 1101e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten uint16_t(mVolume[LEFT] * 0x1000)); 1102e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1103e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 11049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 11059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 11069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 11089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->linkToDeath(mDeathNotifier, this); 1109e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 111034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 111134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 111234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 111389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 111489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 11169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 11179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 11199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 11209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 11219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 11229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 11239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 11269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 11279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 11289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 11299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 11309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 11319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 11329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 11339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 11349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 11359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 11369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 11379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 11389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 11399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 11419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 11429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 11449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 11459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 11469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 11479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 11489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1149e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 11509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 11519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 115289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 11549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 115589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 11579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 11589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 11599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 11609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 116189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 11639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 11659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 11669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 11679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 11689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 11699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 11709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 11719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1172b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1173b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1174b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 11759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 117689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 117789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1180c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 11829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 11839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 11849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1185b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1186b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1187b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1188b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1189b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1190b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1191b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1192b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 11939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 11949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 11959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 119689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 119789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1199c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 12019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 12029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 120389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 120589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 12079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 12089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 12099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 12109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 121189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 121389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 121489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 121589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 121689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 12189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 12229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 12239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 12279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 12289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1229e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 12301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 12319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 12329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 12339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 12359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 12369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 123796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1238d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten ALOGW("releaseBuffer() track %p name=%s disabled due to previous underrun, restarting", 1239d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten this, mName.string()); 12409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1241df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1242df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1243df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 124489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 124589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 124789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 124989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1251d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1252d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 125389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 125599e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 125699e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 12579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", buffer, userSize, userSize); 125889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 125989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 126089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 126289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 126389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 12659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1266c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 126889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 12699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 127089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1271d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 127289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 127389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 127489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 127589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 12760ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 127789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 12789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 12799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 12803302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 128189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 12829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 128389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 128589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 128689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 128789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 12899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 129089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 129189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 129289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 129389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 129489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 129589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12964ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 12974ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 12984ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12994ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13004ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 13014ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1302d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 13034ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 13044ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1306d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1307d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1308d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1309d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 13109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1311d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 13124ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 13134ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1314c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1315d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 131696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 13174ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 13184ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 131996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 13204ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13214ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13224ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13234ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 13244ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 132596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 13269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 13274ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 13294ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1330d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 13314ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13324ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13334ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 13344ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13354ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13364ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 13374ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 13384ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1339df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1340df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1341df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1342d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1343df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1344df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 134596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 134696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1347df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 13489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1349df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1350df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 13514ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1352df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 13534ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13544ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13554ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 13564ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 13574ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 13584ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 13594ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13604ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13614ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 13624ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13637c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 136489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1365fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1366fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1367fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1368fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1369fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 13701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1371a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1372a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1373a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1374a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1375a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1376a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1377a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1378a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1379a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1380a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1381a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1382a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1383a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1384a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1385a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1386a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1387a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1388b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1389b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1390a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 13911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 13939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 139496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1395a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 13969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 13979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1398b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1399b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1400b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 140123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l() || (mSequence == mObservedSequence)) { 1402b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 1403b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1404b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // Run again immediately, but with a new IAudioTrack 1405b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1406b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 140789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1408c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1409b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 14109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 141189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 14139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 14149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 14159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 14169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 14179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 14189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 14199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 14209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 14219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 14229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 14239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 14249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 14269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 14279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 14289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 14299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 143089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 143189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 14339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 14349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 143589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 14369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 14379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 14389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 14409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 14419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 14449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 14459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 14469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 14479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 14499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 14509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 14519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t loopPeriod = mLoopPeriod; 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 14569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t notificationFrames = mNotificationFramesAct; 14579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 14589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 14599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 14609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 14619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1463b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 14649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 14669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 14679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 14689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 14709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1471b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1472b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AutoMutex lock(mLock); 1473b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1474b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald sp<AudioTrackClientProxy> proxy = mProxy; 1475b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald sp<IMemory> iMem = mCblkMemory; 1476b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1477b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1478b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1479b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1480b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1481b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1482b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = mProxy->waitStreamEndDone(&timeout); 1483b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.lock(); 1484b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1485b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1486b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1487b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1488b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1489b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 1490b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.lock(); 1491b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1492b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 1493b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (status != DEAD_OBJECT) { 1494b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1495b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1496b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1497b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1498b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald default: 1499b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1500b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1501b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1502b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 15049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 15099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 15109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 15139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 15149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 15169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 15179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 15199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 15209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 15219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 15229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 15239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1524b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 15269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 15279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1528b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1529b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1530b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1531b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 153289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 153389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 15359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 153789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 153889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 15409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 15419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 15429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 15439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 15449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 15469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 15479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 155089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 155189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 15549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 15562267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 15572267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 15599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 15619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 15639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 15649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 15679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 15689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 157089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 15729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1581c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 15839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 15849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 15879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 1590b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("obtainBuffer(%u) returned %u = %u + %u err %d", 1591b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1593b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1594b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 159689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 159989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 160142a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 16079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 16099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1610d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 161189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 161389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 161489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 16150ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 161689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 161789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 161889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 162089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 16219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenFrames = writtenSize / mFrameSize; 162389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 162489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 16259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 16269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 16279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) writtenSize); 16289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 16299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 16328555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 16338555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 16348555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 16358555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 16369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1637d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 163889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16390ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1640511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1641511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 16429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 164389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 164489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 16469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 16479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 16489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 16499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 16509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 16529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 165389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 165489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 165589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 16579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 16589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 16599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 16639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 16649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 16689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 16709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 16719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 16729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 16739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 16749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 16769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 167789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 16799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 16809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 16829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 168389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 168489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 16861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1687b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 168823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten isOffloaded_l() ? "Offloaded" : "PCM", from); 16899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 16901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 16911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1692a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1693a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // output parameters in getOutput_l() and createTrack_l() 1694a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1695a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 169623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 169723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten // FIXME re-creation of offloaded tracks is not yet implemented 1698b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1699b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1700b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1701b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // force new output query from audio policy manager; 1702b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = 0; 1703b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald audio_io_handle_t output = getOutput_l(); 1704b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1705a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1706a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1707a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 1708cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1709cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 1710cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent size_t position = mProxy->getPosition() + mProxy->getFramesFilled(); 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t bufferPosition = mStaticProxy != NULL ? mStaticProxy->getBufferPosition() : 0; 1712a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = createTrack_l(mStreamType, 1713e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate, 1714a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFormat, 1715b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount, // so that frame count never goes down 1716a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFlags, 1717a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mSharedBuffer, 1718b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald output, 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten position /*epoch*/); 1720a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1721a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 17229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // continue playback from last known position, but 17239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // don't attempt to restore loop after invalidation; it's difficult and not worthwhile 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mStaticProxy != NULL) { 17259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 17269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(bufferPosition, mFrameCount, 0); 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME How do we simulate the fact that all frames present in the buffer at the time of 17299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // track destruction have been played? This is critical for SoundPool implementation 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This must be broken, and needs to be tested/debugged. 17319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 1732a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 17339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!strcmp(from, "start")) { 1734a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1735a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1736a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1737a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 173896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &mCblk->mFlags); 17391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1743a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 17441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 1747b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald //Use of direct and offloaded output streams is ref counted by audio policy manager. 1748b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 1749b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 1750b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::releaseOutput(output); 17519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 17529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 17531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 17561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 17571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1758ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1759ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1760ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 176153cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 1762ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1763ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1764ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1765ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 176653cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 1767fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 1768fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1769fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1770fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1771fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 1772fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1773fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1774fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 1775fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (status == NO_ERROR) { 1776fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten timestamp.mPosition += mProxy->getEpoch(); 1777fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1778fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 1779ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 1780ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 1781ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 1782ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 17832c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 17842c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten if (output != 0) { 17852c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 1786b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1787b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 1788b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1789ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1790ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 179123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 179223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 179323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 179423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 179523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 179623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 17977c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 179889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 179989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 180089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 180189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 180289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 180389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 180489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 180585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 180685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 180789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 180885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, 1809b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 181089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1811e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 181289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 18139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 181489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 181589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 181689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 181789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 181889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 18209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 18229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 18239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 18269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18277c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 18289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 18309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 18319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 18329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 18339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 183689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 183789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 183889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 1839598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 1840598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 18413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 184589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 184689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 184789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 184889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 184989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 18503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 18513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 18533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 18543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 18553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 18563acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1857598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 1858598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 1859598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 1860598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 18615a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 18625a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 18635a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 18645a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 18655a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 18665a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18679d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 18685a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 18695a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 18717c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 18729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 18739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 18749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 18765a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 18779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 18799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 18805a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 18815a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 18825a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 18835a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 18849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 18859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 18865a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 18879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 1888ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 188989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 189089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 18923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 18943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1895598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 18963acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 18993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 19003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 19013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 19023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19033acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19043acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 19053acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 19063acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 1907598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 19089d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 19093acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 19109d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 19113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 19123acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 19133acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19143acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19155a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 19165a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 19175a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 19185a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 19195a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 19205a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 19215a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 192289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1923