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 4704cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten // default to 0 in case of error 4804cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten *frameCount = 0; 4904cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 50e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME merge with similar code in createTrack_l(), except we're missing 51e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // some information here that is available in createTrack_l(): 52e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 53e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 54e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 55e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_output_flags_t flags 563b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 5733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 5833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 5933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 60e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 6133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 6233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 6333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 6533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 6633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 6733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 6933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 7033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minBufCount < 2) { 729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minBufCount = 2; 739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 7533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 76e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten afFrameCount * minBufCount * sampleRate / afSampleRate; 773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("getMinFrameCount=%d: afFrameCount=%d, minBufCount=%d, afSampleRate=%d, afLatency=%d", 783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 7933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 8033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 85879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 864ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 874ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 882048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 892048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George mPausedPosition(0) 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 94fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 96e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 9728b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 990ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 102be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 1039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 104ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 1059cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen const audio_offload_info_t *offloadInfo, 1069cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen int uid) 107879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1084ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1094ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1102048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1112048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George mPausedPosition(0) 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1130d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 114a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 1159cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 1169cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen offloadInfo, uid); 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 119c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 120fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 122e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 12328b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1250ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 128be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 1299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 130ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 1319cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen const audio_offload_info_t *offloadInfo, 1329cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen int uid) 133879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1344ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1354ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1362048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1372048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George mPausedPosition(0) 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1390d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 14017a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 1419cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, uid); 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 152b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 1533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15753cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 15853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1603a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 165fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 167e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 16828b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 169e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten int frameCountInt, 1700ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 175be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 1769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 177ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 1789cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen const audio_offload_info_t *offloadInfo, 1799cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen int uid) 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 1829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 1839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 1849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 1859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 1869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 1879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 1899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 1929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 1939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 1949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 1989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 1999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 2019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 2059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 2069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 2079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 2119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 2129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 216e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten // FIXME "int" here is legacy and will be replaced by size_t later 217e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (frameCountInt < 0) { 218e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGE("Invalid frame count %d", frameCountInt); 219e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten return BAD_VALUE; 220e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten } 221e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount = frameCountInt; 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 22485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 226e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set() streamType %d frameCount %u flags %04x", streamType, frameCount, flags); 2271a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 23053cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 2311dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 23229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 236b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = 0; 237b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 239fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 240fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 242ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 2443b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 245e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 246e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 247e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 250e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 251ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 253e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 254fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2560d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (channelMask == 0) { 2570d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask = AUDIO_CHANNEL_OUT_STEREO; 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 261fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 2629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid format %d", format); 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 265c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 266e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 267e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 268e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 269e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 270e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 271e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 272c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 273b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 274b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 275b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 276b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 277b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 278b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 2790ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2810ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 282c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2831948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 2841948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 2851948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 2861948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 287c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2880d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_output_channel(channelMask)) { 28928b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 29089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 29189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 292a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 2930d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 294a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 29589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 296e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (audio_is_linear_pcm(format)) { 297e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 298e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = channelCount * sizeof(int16_t); 299e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 300e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = sizeof(uint8_t); 301e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = sizeof(uint8_t); 302e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 303e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 304fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 305fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 306e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 307ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald flags, 308ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald offloadInfo); 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 310c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 31129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 312c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 31634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 31705632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 318d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 319b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 320d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 322be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 3239cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen if (uid == -1 || (IPCThreadState::self()->getCallingPid() != getpid())) { 3249cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 3259cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen } else { 3269cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen mClientUid = uid; 3279cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen } 3282beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 329093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 3304a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 331be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 332a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 333896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 334a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 335a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 336a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 33734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 3381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 3391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 340e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 3411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 3421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 3431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 3449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten output, 3459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 0 /*epoch*/); 346a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 34734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 348a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 349b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 350b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 351a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 352a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 353b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald //Use of direct and offloaded output streams is ref counted by audio policy manager. 354b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 355b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 356b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::releaseOutput(output); 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 362e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 3649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 3669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3682c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 3713a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 3729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 3739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 3749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 375b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = output; 3769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 38189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 382b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 384f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 385b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 3869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 387b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 3889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 3912b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 3929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 393b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 394b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 395b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 396b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 397b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 3989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 3999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 4009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 401ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 402ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 403ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 40489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 40696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 40789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 4099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 410b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 411b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 412b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 413b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 414b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 4299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 4309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 4339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 4349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 436b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 437b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 438b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 440879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 441a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 445b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 4469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 4479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 4499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 4509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 4519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME pause then stop should not be a nop 4529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 4539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 456b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 457b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 458b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 459b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 460b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 461b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 4639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 4649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 4659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 4669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 4679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 4689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Force flush if a shared buffer is used otherwise audioflinger 4699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // will not stop before end of buffer is reached. 4709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 4719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 475b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 4779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 478b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (!isOffloaded()) { 479b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 480b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 4839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 4849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4899a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 5009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5014bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 5029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 5061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 5079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 508c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5092c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 5102c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 5112c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 5122c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 513b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 514c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 516b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 517b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 518b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5204bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 52189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 52289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 52489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 525f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 526b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 527b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 528b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 529b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 530b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 5319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 53289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 5352048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George 5362048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George if (isOffloaded()) { 5372048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George if (mOutput != 0) { 5382048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George uint32_t halFrames; 5392048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George // OffloadThread sends HAL pause in its threadLoop.. time saved 5402048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George // here can be slightly off 5412048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 5422048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 5432048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George } 5442048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George } 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 55959fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent if (isOffloaded()) { 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); 619d0115d8c4db2f337030dea706bc0a434c4a03ed6Eric Laurent 620d0115d8c4db2f337030dea706bc0a434c4a03ed6Eric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 621d0115d8c4db2f337030dea706bc0a434c4a03ed6Eric Laurent // query the HAL and update if needed. 622d0115d8c4db2f337030dea706bc0a434c4a03ed6Eric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 623d0115d8c4db2f337030dea706bc0a434c4a03ed6Eric Laurent if (isOffloaded()) { 624d0115d8c4db2f337030dea706bc0a434c4a03ed6Eric Laurent if (mOutput != 0) { 625d0115d8c4db2f337030dea706bc0a434c4a03ed6Eric Laurent uint32_t sampleRate = 0; 626d0115d8c4db2f337030dea706bc0a434c4a03ed6Eric Laurent status_t status = AudioSystem::getSamplingRate(mOutput, mStreamType, &sampleRate); 627d0115d8c4db2f337030dea706bc0a434c4a03ed6Eric Laurent if (status == NO_ERROR) { 628d0115d8c4db2f337030dea706bc0a434c4a03ed6Eric Laurent mSampleRate = sampleRate; 629d0115d8c4db2f337030dea706bc0a434c4a03ed6Eric Laurent } 630d0115d8c4db2f337030dea706bc0a434c4a03ed6Eric Laurent } 631d0115d8c4db2f337030dea706bc0a434c4a03ed6Eric 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); 760b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 761b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 76289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7632048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George if ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING)) { 7642048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 7652048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George *position = mPausedPosition; 7662048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George return NO_ERROR; 7672048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George } 7682048c2292c0466b184fb8f67c91f4d0ab9f5c3f3Haynes Mathew George 769b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput != 0) { 770b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 771b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 772b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 773b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 774b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 775b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 776b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 0 : 777b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->getPosition(); 778b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 77989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 78089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 78189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getBufferPosition(size_t *position) 7839c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 7849c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 7859c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 7869c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7879c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 7889c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7899c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7909c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 7939c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 7949c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 7959c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 79689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 79789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 798b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 799083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 800083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 801083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 8021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 8039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 8049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 805d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 806d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 8089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 8099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME The new code cannot reload while keeping a loop specified. 8109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Need to check how the old code handled this, and whether it's a significant change. 8119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(0, mFrameCount, 0); 81289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 81389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 81489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 815c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 816c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 8171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 818b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 8191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 8201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 8221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 8231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 824b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput) { 825b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 826b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 827b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return AudioSystem::getOutput(mStreamType, 828b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mSampleRate, mFormat, mChannelMask, mFlags); 829b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 830c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 831c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 832be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 833be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 8349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8352beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 8362beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 8372beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 8382beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 8392beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 840be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 841be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 84289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 84389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 8451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 846fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 84734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 848e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 849e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 8500ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 85134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 8529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_io_handle_t output, 8539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t epoch) 85434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 85534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 85634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 85734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 858e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 859e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 86034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 86134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 862ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 863ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 864d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 865ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getLatency(output, streamType, &afLatency); 866ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 8679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 868d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 869d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 870d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 871ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 872ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getFrameCount(output, streamType, &afFrameCount); 873ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 874ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, streamType, status); 875ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten return NO_INIT; 876ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 877ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 878ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 879ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getSamplingRate(output, streamType, &afSampleRate); 880ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 881ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten ALOGE("getSamplingRate(output=%d, streamType=%d) status %d", output, streamType, status); 882ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten return NO_INIT; 883ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 884ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 8854a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 8864a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 8870ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 8884a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 8894a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 8904a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 8914a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 8924a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 8933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 894093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 8950ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 896093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 8974a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 898e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 8994a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 900ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 901d812fc012298470a1b8120e6d60a24b0b1d48047Glenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 902d812fc012298470a1b8120e6d60a24b0b1d48047Glenn Kasten // n = 2 fast track with double buffering 903ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 2 normal track, no sample rate conversion 904ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 3 normal track, with sample rate conversion 905ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // (pessimistic; some non-1:1 conversion ratios don't actually need triple-buffering) 906ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n > 3 very high latency or very small notification interval; nBuffering is ignored 907ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten const uint32_t nBuffering = (sampleRate == afSampleRate) ? 2 : 3; 908ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 909d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 910e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 911fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 912e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 913d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 914e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 915d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 916e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 917e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 918d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 919b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 920b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 921b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 922e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (sharedBuffer != 0) { 923e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 924a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 925e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 926e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten size_t alignment = /* format == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 927a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 928e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 929e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 930e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 931a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (((size_t)sharedBuffer->pointer() & (alignment - 1)) != 0) { 932a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 933a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten sharedBuffer->pointer(), mChannelCount); 934e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 935e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 936e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 937e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 938e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 939e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 940e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 941a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten frameCount = sharedBuffer->size()/mChannelCount/sizeof(int16_t); 942e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 943e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 944e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 945e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 946e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 947d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 948d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 949bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten ALOGV("afFrameCount=%d, minBufCount=%d, afSampleRate=%u, afLatency=%d", 950bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 951ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (minBufCount <= nBuffering) { 952ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten minBufCount = nBuffering; 9537c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 954d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 955e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 956e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 9573acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 9583acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 959d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 960e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 961e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 962ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } else if (frameCount < minFrameCount) { 963e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 964e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 965e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 966e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 967e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 968ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Make sure that application is notified with sufficient margin before underrun 969ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 970ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 971ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 972e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 973e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 974e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 975d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 976d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 977a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 978a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 979a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 980a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 9813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 9823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 9830ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 9844a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 9853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 9863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 9873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 9884a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 9894a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 990b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 991b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 992b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 993b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 9948d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 99534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 99660a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 99760a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? 99860a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : format, 999a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 100034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 1001e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 100234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 100334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 10043acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1005be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1006d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten mName, 10079cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen mClientUid, 100834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 100934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 101034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 101129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 101234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 101334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1014d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1015d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 101629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 101734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 101834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 101953cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 10209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 10219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 10229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 10239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 102434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1025d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 1026d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); 1027d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 1028b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten size_t temp = cblk->frameCount_; 1029b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1030b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1031b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1032b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 1033b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 1034b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1035b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 1036a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 10373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 1038e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 1039b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", frameCount); 1040a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 10419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 1042d812fc012298470a1b8120e6d60a24b0b1d48047Glenn Kasten // Theoretically double-buffering is not required for fast tracks, 1043d812fc012298470a1b8120e6d60a24b0b1d48047Glenn Kasten // due to tighter scheduling. But in practice, to accommodate kernels with 1044d812fc012298470a1b8120e6d60a24b0b1d48047Glenn Kasten // scheduling jitter, and apps with computation jitter, we use double-buffering. 1045d812fc012298470a1b8120e6d60a24b0b1d48047Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1046d812fc012298470a1b8120e6d60a24b0b1d48047Glenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 1050b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 1051093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1052093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 1053093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 10549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 1055ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1056ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1059e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1061b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1062b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1063b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1064b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1065b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1066b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 1067b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mFlags = flags; 1068b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NO_INIT; 1069b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1070b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1071b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 10729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 10739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 10759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 10769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 10779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 10789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 107934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 10809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 108134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 10829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = sharedBuffer->pointer(); 108334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 108434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 10852beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1086e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1087b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mLatency = afLatency + (1000*frameCount) / sampleRate; 1088b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1089093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1090093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1091b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1092b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1093093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1094e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1095e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 10969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 10979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 10989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 10999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 11009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 11019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 11029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1103e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | 1104e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten uint16_t(mVolume[LEFT] * 0x1000)); 1105e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1106e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 11079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 11089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 11099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 11119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->linkToDeath(mDeathNotifier, this); 1112e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 111334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 111434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 111534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 111689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 111789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 11199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 11209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 11229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 11239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 11249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 11259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 11269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 112988876fb4eb8365343f2a9ca0e8f53148ca38b845Eric Laurent struct timespec timeout; 11309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 11319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 11329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 11339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 11349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 11359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 11369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 11379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 11389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 11399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 11409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 11419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 11429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 11449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 11459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 11479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 11489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 11499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 11509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 11519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1152e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 11539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 11549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 115589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 11579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 115889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 11609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 11619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 11629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 11639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 116489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 11669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 11689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 11699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 11709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 11719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 11729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 11739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 11749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1175b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1176b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1177b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 11789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 117989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 118089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1183c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 11859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 11869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 11879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1188b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1189b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1190b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1191b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1192b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1193b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1194b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1195b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 11969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 11979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 11989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 119989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 120089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1202c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 12049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 12059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 120689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 120889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 12109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 12119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 12129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 12139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 121489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 121689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 121789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 121889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 121989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 12219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 12259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 12269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 12309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 12319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1232e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 12331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 12349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 12359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 12369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 12389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 12399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 124096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1241d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten ALOGW("releaseBuffer() track %p name=%s disabled due to previous underrun, restarting", 1242d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten this, mName.string()); 12439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1244df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1245df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1246df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 124789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 124889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 125089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 125189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 125289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1254d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1255d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 125689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 125899e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 125999e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 12609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", buffer, userSize, userSize); 126189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 126289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 126389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 126589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 126689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 12689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1269c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 127189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 12729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 127389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1274d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 127589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 127689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 127789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 127889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 12790ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 128089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 12819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 12829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 12833302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 128489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 12859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 128689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 128889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 128989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 129089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 129189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 12929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 129389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 129489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 129589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 129689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 129789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 129889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12994ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 13004ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 13014ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13024ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13034ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 13044ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1305d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 13064ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 13074ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1309d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1310d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1311d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1312d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 13139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1314d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 13154ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 13164ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1317c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1318d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 131996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 13204ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 13214ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 132296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 13234ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13244ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13254ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13264ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 13274ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 132896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 13299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 13304ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 13324ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1333d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 13344ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13354ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13364ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 13374ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13384ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13394ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 13404ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 13414ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1342df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1343df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1344df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1345d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1346df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1347df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 134896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 134996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1350df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 13519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1352df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1353df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 13544ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1355df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 13564ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13574ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13584ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 13594ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 13604ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 13614ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 13624ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13634ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13644ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 13654ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastennsecs_t AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 136789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1368fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1369fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1370fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1371fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1372fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 13731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1374a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1375a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1376a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1377a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1378a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1379a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1380a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1381a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1382a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1383a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1384a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1385a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1386a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1387a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1388a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1389a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1390a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1391b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1392b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1393a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 13941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 13969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 139796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1398a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 13999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 14009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1401b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1402b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1403b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1404b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (!isOffloaded() || (mSequence == mObservedSequence)) { 1405b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 1406b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1407b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // Run again immediately, but with a new IAudioTrack 1408b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1409b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 141089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1411c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1412b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 14139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 141489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 14169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 14179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 14189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 14199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 14209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 14219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 14229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 14239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 14249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 14259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 14269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 14279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 14299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 14309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 14319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 14329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 143389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 143489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 14369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 14379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 143889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 14399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 14409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 14419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 14439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 14449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 14479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 14489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 14499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 14509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 14529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 14539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 14579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t loopPeriod = mLoopPeriod; 14589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 14599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t notificationFrames = mNotificationFramesAct; 14609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 14619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 14629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 14649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1466b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 1467dcec903589ac651b9f558454392d286c13f743fbGlenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 14689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 14709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 14729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 14749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1475b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1476b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1477b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1478b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1479b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1480dcec903589ac651b9f558454392d286c13f743fbGlenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1481b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1482b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1483b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1484b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1485b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 1486dcec903589ac651b9f558454392d286c13f743fbGlenn Kasten { 1487dcec903589ac651b9f558454392d286c13f743fbGlenn Kasten AutoMutex lock(mLock); 1488dcec903589ac651b9f558454392d286c13f743fbGlenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 1489dcec903589ac651b9f558454392d286c13f743fbGlenn Kasten // since the mutex has been unlocked and either the callback handler 1490dcec903589ac651b9f558454392d286c13f743fbGlenn Kasten // or another thread could have re-started the AudioTrack during that time. 1491dcec903589ac651b9f558454392d286c13f743fbGlenn Kasten waitStreamEnd = mState == STATE_STOPPING; 1492dcec903589ac651b9f558454392d286c13f743fbGlenn Kasten if (waitStreamEnd) { 1493dcec903589ac651b9f558454392d286c13f743fbGlenn Kasten mState = STATE_STOPPED; 1494b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1495b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1496dcec903589ac651b9f558454392d286c13f743fbGlenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 1497dcec903589ac651b9f558454392d286c13f743fbGlenn Kasten return NS_INACTIVE; 1498dcec903589ac651b9f558454392d286c13f743fbGlenn Kasten } 1499dcec903589ac651b9f558454392d286c13f743fbGlenn Kasten break; 1500b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1501dcec903589ac651b9f558454392d286c13f743fbGlenn Kasten return 0; 1502b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1503b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 15079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 15099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 15109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 15129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 15149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 15159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 15179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 15189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 15209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 15219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 15229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 15239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1525b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 15279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 15289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1529b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1530b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1531b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1532b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 153389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 153489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 15379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 153889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 153989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 15419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 15429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 15439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 15449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 15459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 15479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 15489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 155189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 155289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 15549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 15569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 15572267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 15582267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 15599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 15619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 15639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 15649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 15689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 15709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 157189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1582c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 15849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 15879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 1591b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("obtainBuffer(%u) returned %u = %u + %u err %d", 1592b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1594b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1595b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 159789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 15999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 160089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 160242a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 16079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 16109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1611d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 161289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 161489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 161589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 16160ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 161789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 161889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 161989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 162089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 162189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 16239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenFrames = writtenSize / mFrameSize; 162489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 162589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 16269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 16279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 16289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) writtenSize); 16299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 16309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 16338555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 16348555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 16358555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 16368555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 16379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1638d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 163989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16400ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1641511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1642511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 16439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 164489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 164589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 16479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 16489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 16499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 16509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 16519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 16539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 165489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 165589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 165689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 16589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 16599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 16609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 16649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 16659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 16709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 16719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 16729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 16739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 16749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 16759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 16779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 167889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 16809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 16819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 16839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 168489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 168589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 16871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1688b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 1689b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald isOffloaded() ? "Offloaded" : "PCM", from); 16909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 16911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 16921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1693a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1694a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // output parameters in getOutput_l() and createTrack_l() 1695a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1696a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1697b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1698b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1699b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1700b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1701b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // force new output query from audio policy manager; 1702b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = 0; 1703b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald audio_io_handle_t output = getOutput_l(); 1704b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1705a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1706a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1707a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 1708cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1709cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 1710cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent size_t position = mProxy->getPosition() + mProxy->getFramesFilled(); 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t bufferPosition = mStaticProxy != NULL ? mStaticProxy->getBufferPosition() : 0; 1712a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = createTrack_l(mStreamType, 1713e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate, 1714a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFormat, 1715b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount, // so that frame count never goes down 1716a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFlags, 1717a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mSharedBuffer, 1718b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald output, 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten position /*epoch*/); 1720a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1721a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 17229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // continue playback from last known position, but 17239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // don't attempt to restore loop after invalidation; it's difficult and not worthwhile 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mStaticProxy != NULL) { 17259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 17269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(bufferPosition, mFrameCount, 0); 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME How do we simulate the fact that all frames present in the buffer at the time of 17299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // track destruction have been played? This is critical for SoundPool implementation 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This must be broken, and needs to be tested/debugged. 17319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 1732a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 17339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!strcmp(from, "start")) { 1734a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1735a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1736a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1737a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 173896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &mCblk->mFlags); 17391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1743a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 17441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 1747b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald //Use of direct and offloaded output streams is ref counted by audio policy manager. 1748b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 1749b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 1750b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::releaseOutput(output); 17519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 17529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 17531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 17561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 17571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1758ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1759ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1760ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 176153cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 1762ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1763ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1764ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1765ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 176653cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 1767fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 1768fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1769fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1770fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1771fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 1772fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1773fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1774fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 1775fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (status == NO_ERROR) { 1776fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten timestamp.mPosition += mProxy->getEpoch(); 1777fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1778fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 1779ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 1780ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 1781ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 1782ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1783b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput) { 1784b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return AudioSystem::getParameters(mOutput, keys); 1785b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1786b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 1787b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1788ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1789ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 179089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 179189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 179289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 179389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 179489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 179589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 179689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 179789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 179885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 179985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 180089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 180185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, 1802b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 180389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1804e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 180589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 18069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 180789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 180889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 180989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 181089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 181189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 18139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 18159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 18169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 18199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who) 18219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 18239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 18249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 18259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 18269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 182989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 183089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 183189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 1832598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 1833598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 18343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 183889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 183989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 184089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 184189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 184289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 18433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 18443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18453acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 18463acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 18473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 18483acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 18493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1850598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 1851598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 1852598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 1853598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 18545a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 18555a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 18565a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 18575a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 18585a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 18595a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18609d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 18615a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 18625a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 18649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(this); 18659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 18669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 18679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 18695a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 18709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 18729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 18735a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 18745a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 18755a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 18765a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 18779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 18789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 18795a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 18809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 1881ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 188289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 188389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 18853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 18873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1888598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 18893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 18923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 18953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18963acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 18983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 1900598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 19019d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 19023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 19039d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 19043acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 19053acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 19063acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19073acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19085a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 19095a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 19105a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 19115a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 19125a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 19135a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 19145a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 191589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1916