AudioTrack.cpp revision 70c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03a
199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten/* 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Copyright 2007, The Android Open Source Project 489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** you may not use this file except in compliance with the License. 789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** You may obtain a copy of the License at 889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 1089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 1189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 1289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 1389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** See the License for the specific language governing permissions and 1589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** limitations under the License. 1689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project*/ 1789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project//#define LOG_NDEBUG 0 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LOG_TAG "AudioTrack" 2189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/resource.h> 239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <audio_utils/primitives.h> 249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <binder/IPCThreadState.h> 2589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioTrack.h> 2689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <private/media/AudioTrackShared.h> 281ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kasten#include <media/IAudioFlinger.h> 29fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 30b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_PERIOD_MS 10 31b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_STREAM_END_TIMEOUT_SEC 120 32b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 33511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten 3489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 3633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 3733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 3833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 39e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 40fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 4133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 4233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 43d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 44d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 45d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 4604cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 47e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME merge with similar code in createTrack_l(), except we're missing 48e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // some information here that is available in createTrack_l(): 49e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 50e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 51e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 52e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_output_flags_t flags 533b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 5466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status_t status; 5566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputSamplingRate(&afSampleRate, streamType); 5666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 5770c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output sample rate for stream type %d; status %d", 5870c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 5966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 6033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 61e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 6266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputFrameCount(&afFrameCount, streamType); 6366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 6470c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output frame count for stream type %d; status %d", 6570c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 6666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 6733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 6966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputLatency(&afLatency, streamType); 7066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 7170c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output latency for stream type %d; status %d", 7270c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 7366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 7433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 7533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 7633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 7733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minBufCount < 2) { 799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minBufCount = 2; 809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 8233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 83e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten afFrameCount * minBufCount * sampleRate / afSampleRate; 8466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten // The formula above should always produce a non-zero value, but return an error 8566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten // in the unlikely event that it does not, as that's part of the API contract. 8666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (*frameCount == 0) { 8766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten ALOGE("AudioTrack::getMinFrameCount failed for streamType %d, sampleRate %d", 8866a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten streamType, sampleRate); 8966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return BAD_VALUE; 9066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten } 913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("getMinFrameCount=%d: afFrameCount=%d, minBufCount=%d, afSampleRate=%d, afLatency=%d", 923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 9333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 9433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 99879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1004ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1014ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 107fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 10889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 109e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 11028b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 1120ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 115be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 1169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 117ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 118462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 119462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen int uid) 120879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1214ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1224ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1250d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 126a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 127462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 128462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen offloadInfo, uid); 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 131c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 132fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 134e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 13528b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1370ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 140be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 1419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 142ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 143462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 144462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen int uid) 145879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1464ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1474ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1500d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 15117a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 152462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, uid); 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 163b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 1643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 16953cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1713a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 176fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 178e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 17928b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 180e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten int frameCountInt, 1810ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 186be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 1879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 188ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 189462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 190462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen int uid) 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 1939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 1949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 1959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 1969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 1979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 1989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 2009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 2039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 2049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 2059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 2099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 2109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 2129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 2169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 2179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 2189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 2229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 2239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 227e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten // FIXME "int" here is legacy and will be replaced by size_t later 228e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (frameCountInt < 0) { 229e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGE("Invalid frame count %d", frameCountInt); 230e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten return BAD_VALUE; 231e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten } 232e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount = frameCountInt; 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 23585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 237e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set() streamType %d frameCount %u flags %04x", streamType, frameCount, flags); 2381a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 24153cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 2421dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 24329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 247b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = 0; 248b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 250fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 251fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 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 } 275c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2768ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 2778ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 2788ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 2798ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 2808ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 281e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 282e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 283e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 284e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 285e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 286e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 287c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 288b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 289b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 290b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 291b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 292b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 293b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 2940ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2960ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 297c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2981948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 2991948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 3001948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 3011948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 302c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 303a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 3040d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 305a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 307e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (audio_is_linear_pcm(format)) { 308e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 309e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = channelCount * sizeof(int16_t); 310e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 311e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = sizeof(uint8_t); 312e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = sizeof(uint8_t); 313e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 314e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 315fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 316fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 317e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 318ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald flags, 319ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald offloadInfo); 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 321c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 32229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 323c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 32734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 32805632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 329396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 330b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 331d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 333be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 334462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen if (uid == -1 || (IPCThreadState::self()->getCallingPid() != getpid())) { 335462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 336462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 337462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 338462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 3392beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 340093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 3414a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 342be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 343a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 344896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 345a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 346a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 347a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 34834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 349b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten status = createTrack_l(streamType, 3501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 351e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 3521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 3531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 3541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 3559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten output, 3569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 0 /*epoch*/); 357a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 35834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 359a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 360b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 361b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 362a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 363a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 364b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald //Use of direct and offloaded output streams is ref counted by audio policy manager. 365b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 366b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 367b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::releaseOutput(output); 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 37034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 37189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 373e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 3759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 3779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3792c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 38189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 3823a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 3839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 3849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 3859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 386b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = output; 3879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 393b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 395f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 396b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 3979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 398b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 3999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 4022b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 4039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 404b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 405b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 406b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 407b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 408b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 4109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 4119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 412ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 413ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 414ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 41796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 4209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 421b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 422b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 423b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 424b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 425b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 4409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 4419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 4449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 4459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 447b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 448b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 449b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 451879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 452a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 45389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 456b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 4579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 4589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 4609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 4619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 462397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 4639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 46623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 467b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 468b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 469b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 470b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 471b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 4739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 4749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 4759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 4769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 4779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 4789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Force flush if a shared buffer is used otherwise audioflinger 4799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // will not stop before end of buffer is reached. 4809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 4819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 485b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 4879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 48823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 489b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 490b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 4939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 4949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4999a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 5009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 5109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5114bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 5129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 5161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 5179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 518c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5192c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 5202c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 5212c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 5222c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 523b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 524c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 52623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 527b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 528b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5304bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 53189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 53289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 53389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 53489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 535f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 536b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 537b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 538b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 539b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 540b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 5419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 547be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 549f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 550be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 551be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 552be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 55689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 557e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 558be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 55923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 56059fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 56159fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 562be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 56389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 565b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 567b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 568be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 569be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5702beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 571be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 57205632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 573be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 574be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 575be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 577be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 578e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 579be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 580be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 581be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 582be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 583a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 584be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 585be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 5869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 587be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5903b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 592b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mIsTimed || isOffloaded()) { 5934ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5944ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5954ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 598573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 59989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 60089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 601d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) { 602d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 603d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 606e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 607e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 608e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 609573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 612a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6144ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 6153b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 6164ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6174ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6196f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 6206f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 6216f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 6226f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 62323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 6246f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (mOutput != 0) { 6256f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 6266f59db12a64f4496866952a251122ccb77a36c6bEric Laurent status_t status = AudioSystem::getSamplingRate(mOutput, mStreamType, &sampleRate); 6276f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 6286f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 6296f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 6306f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 6316f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 632e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 637b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 638083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 639083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 640083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 6429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 6449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 6459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 6529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 6539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 654c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 6559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 6609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME If setting a loop also sets position to start of loop, then 6629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // this is correct. Otherwise it should be removed. 6639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 6649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = loopCount != 0 ? loopEnd - loopStart : 0; 6659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 6669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 670fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 671b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 672d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 673d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 67689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6772c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 682a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 684b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 685b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 686b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 687d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 688d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 689d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 69289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 69389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 699fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 700b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 701d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 702d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 70389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 70889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 710a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 71189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 712b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 713b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 714b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 715d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 716d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 717d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 72189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 72389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 72489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 72689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 727b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 728d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 729d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 7319c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7329c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7339c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 7369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 7379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 7389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 7399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 7409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 7419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 743d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 7459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME Check whether loops and setting position are incompatible in old code. 7479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If we use setLoop for both purposes we lose the capability to set the position while looping. 7489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(position, mFrameCount, 0); 749c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 75089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 75189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 75289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) const 75489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 755d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 756d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 757d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 76023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 761b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 76289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 763b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput != 0) { 764b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 765b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 766b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 767b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 768b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 769b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 770b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 0 : 771b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->getPosition(); 772b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 77389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 77489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 77589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getBufferPosition(size_t *position) 7779c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 7789c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 7799c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 7809c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7819c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 7829c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7839c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7849c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 7879c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 7889c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 7899c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 79089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 79189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 792b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 793083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 794083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 795083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 7961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 7989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 799d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 800d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 8029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 8039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME The new code cannot reload while keeping a loop specified. 8049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Need to check how the old code handled this, and whether it's a significant change. 8059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(0, mFrameCount, 0); 80689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 80789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 80889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 809c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 810c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 8111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 812b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 8131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 8141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 8161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 8171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 818b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput) { 819b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 820b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 821b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return AudioSystem::getOutput(mStreamType, 822b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mSampleRate, mFormat, mChannelMask, mFlags); 823b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 824c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 825c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 826be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 827be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 8289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8292beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 8302beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 8312beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 8322beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 8332beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 834be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 835be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 83689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 83789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 8391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 840fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 84134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 842e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 843e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 8440ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 84534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 8469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_io_handle_t output, 8479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t epoch) 84834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 84934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 85034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 85134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 852e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 853e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 85434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 85534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 856ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 857ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 858d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 859ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getLatency(output, streamType, &afLatency); 860ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 8619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 862d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 863d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 864d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 865ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 866ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getFrameCount(output, streamType, &afFrameCount); 867ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 868ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, streamType, status); 869ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten return NO_INIT; 870ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 871ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 872ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 873ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getSamplingRate(output, streamType, &afSampleRate); 874ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 875ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten ALOGE("getSamplingRate(output=%d, streamType=%d) status %d", output, streamType, status); 876ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten return NO_INIT; 877ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 878ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 8794a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 8804a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 8810ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 8824a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 8834a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 8844a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 8854a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 8864a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 8873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 888093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 8890ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 890093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 8914a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 892e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 8934a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 894ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 895b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 896b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 897ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 2 normal track, no sample rate conversion 898ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 3 normal track, with sample rate conversion 899ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // (pessimistic; some non-1:1 conversion ratios don't actually need triple-buffering) 900ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n > 3 very high latency or very small notification interval; nBuffering is ignored 901ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten const uint32_t nBuffering = (sampleRate == afSampleRate) ? 2 : 3; 902ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 903d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 904e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 905fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 906e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 907d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 908e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 909d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 910e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 911e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 912d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 913b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 914b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 915b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 916e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (sharedBuffer != 0) { 917e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 918a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 919e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 920e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten size_t alignment = /* format == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 921a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 922e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 923e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 924e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 925a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (((size_t)sharedBuffer->pointer() & (alignment - 1)) != 0) { 926a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 927a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten sharedBuffer->pointer(), mChannelCount); 928e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 929e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 930e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 931e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 932e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 933e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 934e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 935a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten frameCount = sharedBuffer->size()/mChannelCount/sizeof(int16_t); 936e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 937e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 938e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 939e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 940e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 941d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 942d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 943bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten ALOGV("afFrameCount=%d, minBufCount=%d, afSampleRate=%u, afLatency=%d", 944bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 945ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (minBufCount <= nBuffering) { 946ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten minBufCount = nBuffering; 9477c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 948d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 949e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 950e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 9513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 9523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 953d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 954e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 955e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 956ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } else if (frameCount < minFrameCount) { 957e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 958e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 959e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 960e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 961e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 962ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Make sure that application is notified with sufficient margin before underrun 963ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 964ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 965ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 966e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 967e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 968e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 969d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 970d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 971a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 972a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 973a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 974a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 9753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 9763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 9770ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 9784a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 9793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 9803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 9813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 9824a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 9834a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 984b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 985b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 986b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 987b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 9888d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 98934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 99060a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 99160a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? 99260a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : format, 993a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 99434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 995e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 99634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 99734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 9983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 999be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1000d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten mName, 1001462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 100234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 100334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 100434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 100529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 100634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 100734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1008d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1009d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 101029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 101134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 101234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 101353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 10149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 10159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 10169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 10179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 101834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1019d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 1020d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); 1021d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 1022b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten size_t temp = cblk->frameCount_; 1023b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1024b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1025b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1026b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 1027b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 1028b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1029b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 1030a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 10313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 1032e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 1033b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", frameCount); 1034a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 10359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 1036b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // Theoretically double-buffering is not required for fast tracks, 1037b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // due to tighter scheduling. But in practice, to accommodate kernels with 1038b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // scheduling jitter, and apps with computation jitter, we use double-buffering. 1039b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1040b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 1044b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 1045093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1046093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 1047093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 10489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 1049ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1050ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1053e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1055b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1056b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1057b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1058b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1059b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1060b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 1061b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mFlags = flags; 1062b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NO_INIT; 1063b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1064b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1065b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 10669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 10679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 10699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 10709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 10719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 10729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 107334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 10749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 107534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 10769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = sharedBuffer->pointer(); 107734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 107834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 10792beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1080e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1081b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mLatency = afLatency + (1000*frameCount) / sampleRate; 1082b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1083093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1084093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1085b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1086b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1087093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1088e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1089e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 10909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 10919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 10929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 10939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 10949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 10959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 10969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1097e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | 1098e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten uint16_t(mVolume[LEFT] * 0x1000)); 1099e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1100e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 11019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 11029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 11039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 11059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->linkToDeath(mDeathNotifier, this); 1106e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 110734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 110834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 110934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 111089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 111189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 11139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 11149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 11169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 11179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 11189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 11199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 11209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 11239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 11249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 11259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 11269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 11279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 11289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 11299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 11309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 11319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 11329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 11339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 11349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 11359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 11369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 11389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 11399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 11419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 11429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 11439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 11449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 11459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1146e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 11479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 11489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 114989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 11519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 115289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 11549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 11559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 11569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 11579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 115889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 11609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 11629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 11639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 11649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 11659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 11669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 11679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 11689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1169b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1170b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1171b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 11729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 117389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 117489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1177c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 11799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 11809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 11819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1182b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1183b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1184b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1185b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1186b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1187b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1188b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1189b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 11909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 11919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 11929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 119389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 119489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1196c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 11989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 11999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 120089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 120289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 12049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 12059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 12069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 12079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 120889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 121089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 121189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 121289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 121389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 12159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 12199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 12209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 12249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 12259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1226e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 12271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 12289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 12299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 12309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 12329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 12339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 123496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1235d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten ALOGW("releaseBuffer() track %p name=%s disabled due to previous underrun, restarting", 1236d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten this, mName.string()); 12379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1238df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1239df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1240df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 124189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 124289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 124489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 124689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1248d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1249d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 125089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 125299e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 125399e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 12549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", buffer, userSize, userSize); 125589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 125689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 125789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 125989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 126089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 12629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1263c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 126589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 12669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 126789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1268d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 126989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 127089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 127189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 127289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 12730ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 127489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 12759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 12769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 12773302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 127889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 12799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 128089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 128289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 128389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 128489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 12869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 128789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 128989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 129089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 129189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 129289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12934ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 12944ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 12954ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12964ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12974ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 12984ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1299d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 13004ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 13014ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1303d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1304d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1305d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1306d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 13079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1308d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 13094ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 13104ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1311c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1312d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 131396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 13144ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 13154ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 131696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 13174ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13184ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13194ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13204ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 13214ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 132296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 13239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 13244ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 13264ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1327d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 13284ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13294ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13304ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 13314ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13324ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13334ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 13344ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 13354ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1336df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1337df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1338df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1339d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1340df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1341df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 134296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 134396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1344df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 13459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1346df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1347df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 13484ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1349df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 13504ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13514ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13524ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 13534ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 13544ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 13554ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 13564ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13574ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13584ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 13594ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13607c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 136189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1362fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1363fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1364fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1365fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1366fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 13671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1368a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1369a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1370a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1371a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1372a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1373a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1374a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1375a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1376a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1377a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1378a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1379a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1380a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1381a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1382a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1383a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1384a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1385b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1386b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1387a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 13881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 13909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 139196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1392a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 13939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 13949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1395b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1396b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1397b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 139823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l() || (mSequence == mObservedSequence)) { 1399b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 1400b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1401b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // Run again immediately, but with a new IAudioTrack 1402b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1403b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 140489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1405c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1406b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 14079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 140889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 14109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 14119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 14129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 14139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 14149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 14159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 14169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 14179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 14189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 14199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 14209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 14219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 14239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 14249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 14259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 14269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 142789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 142889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 14309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 14319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 143289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 14339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 14349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 14359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 14379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 14389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 14419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 14429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 14439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 14449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 14469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 14479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 14489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 14519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t loopPeriod = mLoopPeriod; 14529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 14539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t notificationFrames = mNotificationFramesAct; 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 14569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 14579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 14589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1460b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 14619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 14649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 14659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 14679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1468b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1469b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AutoMutex lock(mLock); 1470b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1471b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald sp<AudioTrackClientProxy> proxy = mProxy; 1472b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald sp<IMemory> iMem = mCblkMemory; 1473b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1474b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1475b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1476b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1477b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1478b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1479b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = mProxy->waitStreamEndDone(&timeout); 1480b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.lock(); 1481b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1482b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1483b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1484b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1485b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1486b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 1487b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.lock(); 1488b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1489b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 1490b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (status != DEAD_OBJECT) { 1491b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1492b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1493b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1494b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1495b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald default: 1496b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1497b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1498b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1499b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 15029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 15039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 15079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 15109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 15139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 15149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 15169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 15179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 15189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 15199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 15209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1521b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 15239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1525b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1526b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1527b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1528b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 152989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 153089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 15329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 15339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 153489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 153589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 15379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 15389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 15399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 15409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 15419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 15439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 15449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 15469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 154789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 154889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 15519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 15532267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 15542267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 15569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 15579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 15599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 15619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 15649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 156789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 15709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 15729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1578c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 15819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 15829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 15839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 15849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 1587b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("obtainBuffer(%u) returned %u = %u + %u err %d", 1588b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1590b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1591b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 159389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 159689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 159842a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 15999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 16009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 16019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1607d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 160889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 160989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 161089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 161189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 16120ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 161389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 161489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 161589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 161789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 16189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 16199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenFrames = writtenSize / mFrameSize; 162089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 162189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 16239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 16249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) writtenSize); 16259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 16269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 16298555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 16308555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 16318555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 16328555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 16339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1634d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 163589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16360ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1637511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1638511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 16399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 164089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 164189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 16439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 16449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 16459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 16469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 16479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 16499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 165089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 165189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 165289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 16559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 16569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 16609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 16619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 16659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 16669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 16679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 16689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 16709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 16719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 16739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 167489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 16769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 16779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 16799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 168089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 168189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 16831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1684b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 168523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten isOffloaded_l() ? "Offloaded" : "PCM", from); 16869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 16871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 16881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1689a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1690a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // output parameters in getOutput_l() and createTrack_l() 1691a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1692a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 169323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 169423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten // FIXME re-creation of offloaded tracks is not yet implemented 1695b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1696b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1697b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1698b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // force new output query from audio policy manager; 1699b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = 0; 1700b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald audio_io_handle_t output = getOutput_l(); 1701b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1702a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1703a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1704a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 1705cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1706cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 1707cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent size_t position = mProxy->getPosition() + mProxy->getFramesFilled(); 17089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t bufferPosition = mStaticProxy != NULL ? mStaticProxy->getBufferPosition() : 0; 1709a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = createTrack_l(mStreamType, 1710e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate, 1711a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFormat, 1712b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount, // so that frame count never goes down 1713a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFlags, 1714a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mSharedBuffer, 1715b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald output, 17169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten position /*epoch*/); 1717a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1718a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // continue playback from last known position, but 17209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // don't attempt to restore loop after invalidation; it's difficult and not worthwhile 17219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mStaticProxy != NULL) { 17229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 17239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(bufferPosition, mFrameCount, 0); 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME How do we simulate the fact that all frames present in the buffer at the time of 17269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // track destruction have been played? This is critical for SoundPool implementation 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This must be broken, and needs to be tested/debugged. 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 1729a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!strcmp(from, "start")) { 1731a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1732a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1733a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1734a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 173596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &mCblk->mFlags); 17361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1740a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 17411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 1744b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald //Use of direct and offloaded output streams is ref counted by audio policy manager. 1745b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 1746b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 1747b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::releaseOutput(output); 17489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 17499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 17501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 17531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 17541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1755ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1756ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1757ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 175853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 1759ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1760ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1761ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1762ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 176353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 1764fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 1765fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1766fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1767fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1768fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 1769fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1770fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1771fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 1772fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (status == NO_ERROR) { 1773fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten timestamp.mPosition += mProxy->getEpoch(); 1774fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1775fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 1776ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 1777ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 1778ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 1779ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 17802c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 17812c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten if (output != 0) { 17822c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 1783b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1784b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 1785b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1786ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1787ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 178823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 178923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 179023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 179123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 179223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 179323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 17947c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 179589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 179689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 179789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 179889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 179989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 180089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 180189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 180285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 180385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 180489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 180585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, 1806b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 180789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1808e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 180989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 18109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 181189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 181289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 181389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 181489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 181589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 18179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 18199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 18209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 18239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18247c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 18259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 18279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 18289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 18299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 18309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 183389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 183489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 183589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 1836598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 1837598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 18383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18403acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 184289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 184389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 184489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 184589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 184689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 18473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 18483acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 18503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 18513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 18523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 18533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1854598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 1855598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 1856598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 1857598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 18585a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 18595a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 18605a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 18615a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 18625a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 18635a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18649d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 18655a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 18665a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 18687c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 18699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 18709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 18719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 18735a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 18749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 18769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 18775a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 18785a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 18795a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 18805a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 18819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 18829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 18835a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 18849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 1885ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 188689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 188789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 18893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 18913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1892598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 18933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 18963acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 18993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 19023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 19033acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 1904598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 19059d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 19063acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 19079d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 19083acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 19093acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 19103acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19125a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 19135a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 19145a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 19155a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 19165a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 19175a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 19185a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 191989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1920