AudioTrack.cpp revision 1ab85ec401801ef9a9184650d0f5a1639b45eeb9
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 309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#define WAIT_PERIOD_MS 10 31511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten 3289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 3433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 3533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 3633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 37e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 38fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 3933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 4033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 41d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 42d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 43d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 4404cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 4504cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten // default to 0 in case of error 4604cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten *frameCount = 0; 4704cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 48e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME merge with similar code in createTrack_l(), except we're missing 49e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // some information here that is available in createTrack_l(): 50e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 51e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 52e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 53e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_output_flags_t flags 543b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 5533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 5633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 5733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 58e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 5933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 6033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 6133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 6333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 6433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 6533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 6733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 6833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minBufCount < 2) { 709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minBufCount = 2; 719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 7333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 74e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten afFrameCount * minBufCount * sampleRate / afSampleRate; 753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("getMinFrameCount=%d: afFrameCount=%d, minBufCount=%d, afSampleRate=%d, afLatency=%d", 763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 7733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 7833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 83879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 844ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 854ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 91fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 93e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 9428b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 960ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 99be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 1009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 101ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 102ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald const audio_offload_info_t *offloadInfo) 103879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1044ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1054ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1080d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 109a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 110ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo); 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 113c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 114fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 116e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 11728b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1190ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 122be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 1239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 124ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 125ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald const audio_offload_info_t *offloadInfo) 126879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1274ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1284ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1310d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 13217a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 133ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo); 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 1443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 1509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack.clear(); 1519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1533a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 158fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 160e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 16128b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 162e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten int frameCountInt, 1630ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 168be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 1699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 170ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 171ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald const audio_offload_info_t *offloadInfo) 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 1749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 1759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 1769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 1779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 1789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 1799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 1819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 1849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 1859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 1869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 1909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 1919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 1929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 1939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 1979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 1989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 1999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 2039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 2049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 208e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten // FIXME "int" here is legacy and will be replaced by size_t later 209e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (frameCountInt < 0) { 210e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGE("Invalid frame count %d", frameCountInt); 211e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten return BAD_VALUE; 212e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten } 213e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount = frameCountInt; 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 21685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 218e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set() streamType %d frameCount %u flags %04x", streamType, frameCount, flags); 2191a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2221dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 22329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 228fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 229fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 231ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 2333b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 234e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 235e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 236e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 239e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 240ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 242e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 243fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2450d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (channelMask == 0) { 2460d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask = AUDIO_CHANNEL_OUT_STEREO; 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 250fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 2519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid format %d", format); 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 254c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 255e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 256e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 257e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 258e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 259e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 260e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 261c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 262fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 2630ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2650ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 266c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2671948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 2681948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 2691948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 2701948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 271c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2720d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_output_channel(channelMask)) { 27328b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 276a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 2770d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 278a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 280e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (audio_is_linear_pcm(format)) { 281e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 282e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = channelCount * sizeof(int16_t); 283e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 284e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = sizeof(uint8_t); 285e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = sizeof(uint8_t); 286e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 287e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 288fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 289fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 290e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 291ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald flags, 292ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald offloadInfo); 29389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 294c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 29529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 296c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 30034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 30105632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 302d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 303b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 304d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 306be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 3072beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 308093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 3094a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 310be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 311a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 312896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 313a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 314a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 315a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 31634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 3171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 3181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 319e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 3201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 3211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 3221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 3239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten output, 3249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 0 /*epoch*/); 325a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 32634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 327a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 328a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->requestExit(); 329a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 330a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 33334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 336e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 3389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 3409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3422c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 34389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 3453a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 3469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 3479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 3489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 3499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 357f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 3599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 3609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 3632b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 3649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 3659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_ACTIVE; 3669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 3679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 3689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 3709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 3719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->flags); 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 3749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 3759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten t->resume(); 3769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 3779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 3789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 3799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 3809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 38189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 3839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 3849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 3859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 3869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 3889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 3909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 3919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 3939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 3949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 3959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 3973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->pause(); 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 399879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 400a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME discarding status 4059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 4069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 4089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 4099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 4109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME pause then stop should not be a nop 4119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 4129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 4169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 4179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 4189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 4199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 4209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 4219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 4229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Force flush if a shared buffer is used otherwise audioflinger 4239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // will not stop before end of buffer is reached. 4249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 4259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 4299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 4309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 4319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten t->pause(); 4329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 4349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 4359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4409a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 44589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 4519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4524bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 4539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 4551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 4571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 4589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 459c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4602c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4612c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4622c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4632c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 464c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 4669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 4674bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 46889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 46989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 47189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 472f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 4749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 4779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 4789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 481be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 483f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 484be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 485be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 486be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 4871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 491e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 492be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 493be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 496b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 498b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 499be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 500be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5012beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 502be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 50305632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 504be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 505be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 506be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 508be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 509e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 510be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 511be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 512be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 513be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 514a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 515be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 516be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 5179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 518be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 51989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 52089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5213b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 52289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5234ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5244ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5254ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5264ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 52889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 529573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 53089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 53189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 532d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) { 533d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 534d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 53589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 537e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 538e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 539e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 540573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 54189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 543a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5454ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5463b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 5474ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5484ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 550e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 555083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 556083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 557083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 558083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 55989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 5609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 5619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 5629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 5639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 5649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 56589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 5699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 5709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 5719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 572c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 5739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 57589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 5789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME If setting a loop also sets position to start of loop, then 5809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // this is correct. Otherwise it should be removed. 5819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 5829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = loopCount != 0 ? loopEnd - loopStart : 0; 5839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 5849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 588d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (mCbf == NULL) { 589d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 590d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 5942c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 599a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 60089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 601d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 602d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 603d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 60989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 613d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (mCbf == NULL) { 614d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 615d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 624a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 626d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 627d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 628d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 638083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 639d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 640d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 6429c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 6439c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 6449c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 6459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 6479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 6489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 6499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 6509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 6519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 6529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 6539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 654d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 6569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 6579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME Check whether loops and setting position are incompatible in old code. 6589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If we use setLoop for both purposes we lose the capability to set the position while looping. 6599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(position, mFrameCount, 0); 660c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) const 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 666d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 667d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 668d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 6729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 0 : 6739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->getPosition(); 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 67689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getBufferPosition(size_t *position) 6799c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 6809c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 6819c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 6829c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 6839c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 6849c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 6859c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 6869c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 6879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 6899c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 6909c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 6919c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 69289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 69389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 694083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 695083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 696083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 697083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 6981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 7009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 701d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 702d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 7049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME The new code cannot reload while keeping a loop specified. 7069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Need to check how the old code handled this, and whether it's a significant change. 7079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(0, mFrameCount, 0); 70889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 711c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 712c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 7131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return getOutput_l(); 7151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 7191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 720fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten return AudioSystem::getOutput(mStreamType, 721e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate, mFormat, mChannelMask, mFlags); 722c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 723c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 724be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 725be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 7269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7272beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 7282beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 7292beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 7302beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 7312beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 732be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 733be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 73489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 73589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 738fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 73934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 740e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 741e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 7420ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 74334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 7449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_io_handle_t output, 7459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t epoch) 74634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 74734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 74834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 74934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 750e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 751e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 75234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 75334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 754d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 7559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if ((status = AudioSystem::getLatency(output, streamType, &afLatency)) != NO_ERROR) { 7569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 757d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 758d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 759d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 7604a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 7614a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 7620ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 7634a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 7644a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 7654a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 7664a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 7674a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 7683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 769093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 7700ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 771093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 7724a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 773e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 7744a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 775d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 776e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 777fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 778e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 779d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 780e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 781d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 782e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 783e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 7849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = AudioSystem::getFrameCount(output, streamType, &afFrameCount); 7859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 7869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, streamType, 7879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status); 788e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 789e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 790e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 791d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 792e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 793e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (sharedBuffer != 0) { 794e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 795a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 796e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 797e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten size_t alignment = /* format == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 798a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 799e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 800e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 801e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 802a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (((size_t)sharedBuffer->pointer() & (alignment - 1)) != 0) { 803a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 804a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten sharedBuffer->pointer(), mChannelCount); 805e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 806e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 807e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 808e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 809e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 810e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 811e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 812a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten frameCount = sharedBuffer->size()/mChannelCount/sizeof(int16_t); 813e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 814e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 815e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 816e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 8173b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 8189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = AudioSystem::getSamplingRate(output, streamType, &afSampleRate); 8199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 8209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getSamplingRate(output=%d, streamType=%d) status %d", output, streamType, 8219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status); 822e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 823e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 824e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 8259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = AudioSystem::getFrameCount(output, streamType, &afFrameCount); 8269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 8279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, streamType, status); 828e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 829e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 830e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 831d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 832d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 833bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten ALOGV("afFrameCount=%d, minBufCount=%d, afSampleRate=%u, afLatency=%d", 834bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 835bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten if (minBufCount <= 2) { 836bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten minBufCount = sampleRate == afSampleRate ? 2 : 3; 8377c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 838d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 839e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 840e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 8413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 8423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 843d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 844e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 845e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 846e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 847e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Make sure that application is notified with sufficient margin 848e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // before underrun 8499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/2) { 850e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = frameCount/2; 851d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 852e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount < minFrameCount) { 853e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 854e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 855e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 856e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 857e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 858e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 859e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 860e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 861d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 862d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 863a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 864a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 865a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 866a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 8673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 8683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 8690ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 8704a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 8713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 8723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 8733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 8744a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 8754a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 8768d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 87734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 87860a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 87960a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? 88060a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : format, 881a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 88234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 883e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 88434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 88534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 8863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 887be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 88834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 88934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 89034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 89129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 89234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 89334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 894d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 895d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 89629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 89734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 89834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 8999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 9009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 9019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 9029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 90334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 904d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 905d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); 906d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 907b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten size_t temp = cblk->frameCount_; 908b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 909b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 910b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 911b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 912b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 913b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 914b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 915a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 9163acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 917e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 918b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", frameCount); 919a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 9209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 9219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // double-buffering is not required for fast tracks, due to tighter scheduling 9229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount) { 9239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = frameCount; 9249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9263acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 927b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 928093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 929093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 930093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 9319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 9329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/2) { 9339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = frameCount/2; 9349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 936e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 9373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 9389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 9399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 9419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 9429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 9439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 9449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 94534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 9469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 94734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 9489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = sharedBuffer->pointer(); 94934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 95034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 9512beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 952e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 953b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mLatency = afLatency + (1000*frameCount) / sampleRate; 954b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 955093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 956093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 957b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 958b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 959093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 960e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 961e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 9629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 9639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 9649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 9659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 9669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 9679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 9689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 969e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | 970e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten uint16_t(mVolume[LEFT] * 0x1000)); 971e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 972e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 9739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 9749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 9759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 9779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->linkToDeath(mDeathNotifier, this); 978e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 97934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 98034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 98134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 98289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 98389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 9859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 9869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 9889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 9899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 9909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 9919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 9929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 9959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 9969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 9979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 9989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 9999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 10009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 10019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 10029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 10039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 10049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 10059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 10069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 10079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 10089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 10109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 10119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 10139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 10149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 10159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 10169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 10179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1018e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 10199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 10209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 102189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 10239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 102489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 10269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 10279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 10289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 10299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 103089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 10329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 10349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 10359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 10369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 10379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 10389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 10399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 10409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 10419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 104289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 104389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 10449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1046c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 10479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 10489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 10499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 10509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 10529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 10539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 105489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 105589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1057c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 10589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 10599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 10609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 106189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 106389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 10659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 10669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 10679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 10689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 106989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 10709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 107189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 107289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 107489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 10769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 10779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 10809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 10819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 10829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 10859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 10869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1087e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 10881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 10899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 10909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 10919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 10939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 10949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 10959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->flags) & CBLK_DISABLED) { 10969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("releaseBuffer() track %p name=%#x disabled due to previous underrun, restarting", 10979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten this, cblk->mName); 10989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1099df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1100df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1101df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 110289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 110389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 110589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 110789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1109d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1110d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 111189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 111399e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 111499e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 11159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", buffer, userSize, userSize); 111689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 111789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 111889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 112089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 112189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 11239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1124c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 112689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 11279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 112889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1129d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 113089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 113189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 113289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 113389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 11340ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 113589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 11369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 11379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 11383302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 113989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 11409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 114189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 114389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 114489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 114589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 114689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 11479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 114889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 114989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 115089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 115189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 115289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 115389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11544ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 11554ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 11564ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11574ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11584ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 11594ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1160d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 11614ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 11624ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1164d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1165d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1166d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1167d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 11689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1169d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 11704ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 11714ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1172c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1173d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1174d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 11754ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 11764ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 1177d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 11784ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11794ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11804ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11814ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 11824ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 1183d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (cblk->flags & CBLK_INVALID) { 11849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 11854ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 11874ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1188d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 11894ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11904ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11914ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 11924ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11934ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11944ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 11954ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 11964ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1197df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1198df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1199df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1200d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1201df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1202df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 12039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten (mState == STATE_ACTIVE) && (cblk->flags & CBLK_DISABLED)) { 1204d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->flags); 1205df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 12069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1207df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1208df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 12094ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1210df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 12114ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12124ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12134ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 12144ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 12154ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 12164ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 12174ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12184ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12194ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 12204ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastennsecs_t AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 122289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1224a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1225a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1226a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1227a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1228a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1229a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1230a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1231a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1232a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1233a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1234a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1235a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1236a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1237a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1238a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1239a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1240a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1241a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten return true; 1242a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 12431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 12459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 12469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->flags); 1247a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 12489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 12499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 12509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten (void) restoreTrack_l("processAudioBuffer"); 12519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 12529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Run again immediately, but with a new IAudioTrack 12539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 125489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1255c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 125789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 12599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 12609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 12619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 12629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 12639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 12649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 12659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 12669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 12679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 12689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 12699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 12709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 12729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 12739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 12749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 12759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 127689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 127789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 12799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 12809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 128189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 12829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 12839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 12849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 12859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 12869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 12879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 12909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 12919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 12929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 12939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 12949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 12959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 12969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 12979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 13009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t loopPeriod = mLoopPeriod; 13019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 13029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t notificationFrames = mNotificationFramesAct; 13039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 13049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 13059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 13069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 13079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 13099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t sequence = mSequence; 13109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 13129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 13139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 13149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 13169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 13189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 13199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 13209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 13229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 13239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 13249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 13259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 13279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 13289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 13309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 13319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 13339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 13349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 13359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 13369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 13379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 13399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 13409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 134189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 134289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 13449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 13459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 134689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 134789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 13499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 13509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 13519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 13529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 13539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 13559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 13569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 13589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 135989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 136089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 13629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 13639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 13649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 13652267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 13662267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 13679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 13689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 13699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 13709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 13719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 13729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 13739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 13769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 13779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 13789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 137989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 13819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 13829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 13839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 13849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 13859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 13869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 13879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1390c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 13919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 13929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 13939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 13949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 13959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 13969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 13979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 13989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 13999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("obtainBuffer(%u) returned %u = %u + %u", 14009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames, avail, audioBuffer.frameCount, nonContig); 14019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 14029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR) { 14039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 140489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 14069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 140789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRetryOnPartialBuffer) { 14109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 14119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 14129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 14139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 14149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 14159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 14179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1418d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 141989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 142189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 142289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 14230ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 142489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 142589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 142689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 142889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 14299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 14309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenFrames = writtenSize / mFrameSize; 143189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 143289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 14339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 14349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 14359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) writtenSize); 14369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 14379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 14408555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 14418555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 14428555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 14438555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 14449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1445d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 144689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14470ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1448511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1449511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 14509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 145189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 145289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 14569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 14579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 14589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 14599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 14609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 146189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 146289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 146389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 14659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 14669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 14679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 14689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 14729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 14739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 14769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 14779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 14789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 14799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 14809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 14819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 14829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 14849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 148589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 14879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 14889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 14909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 149189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 149289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 14941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 14959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("dead IAudioTrack, creating a new one from %s()", from); 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 14971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 14981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1499a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1500a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // output parameters in getOutput_l() and createTrack_l() 1501a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1502a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1503a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1504a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1505a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 15079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = position + mUpdatePeriod; 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t bufferPosition = mStaticProxy != NULL ? mStaticProxy->getBufferPosition() : 0; 1509a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = createTrack_l(mStreamType, 1510e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate, 1511a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFormat, 1512b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount, // so that frame count never goes down 1513a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFlags, 1514a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mSharedBuffer, 15159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten getOutput_l(), 15169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten position /*epoch*/); 1517a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1518a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 15199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // continue playback from last known position, but 15209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // don't attempt to restore loop after invalidation; it's difficult and not worthwhile 15219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mStaticProxy != NULL) { 15229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 15239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(bufferPosition, mFrameCount, 0); 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME How do we simulate the fact that all frames present in the buffer at the time of 15269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // track destruction have been played? This is critical for SoundPool implementation 15279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This must be broken, and needs to be tested/debugged. 15289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 1529a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 15309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!strcmp(from, "start")) { 1531a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1532a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1533a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1534a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 15359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &mCblk->flags); 15361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 15371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 15389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 15399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1540a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 15411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 15421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 15439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 15449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 15459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 15461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 15471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 15481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 15491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 15501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1551ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1552ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1553ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 1554ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald if (mAudioTrack != 0) { 1555ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald return mAudioTrack->setParameters(keyValuePairs); 1556ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald } else { 1557ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald return NO_INIT; 1558ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald } 1559ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1560ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1561ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 1562ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1563ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald return String8::empty(); 1564ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1565ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 156689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 156789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 156889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 156989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 157089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 157189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 157289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 157389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 157485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 157585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 157689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 157785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, 1578b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 157989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1580e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 158189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 15829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 158389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 158489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 158589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 158689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 158789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who) 15979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 15999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 16009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 16019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 160589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 160689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 160789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mResumeLatch(false) 16093acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 16103acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 16113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 16123acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 161389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 161489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 161589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 161789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16183acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 16193acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 16203acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 16213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 16223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 16233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 16243acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 16253acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 16269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(this); 16279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 16289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 16299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 16309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_WHENEVER: 16319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sleep(1); 16329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 16339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 16349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten pauseConditional(); 16359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 16369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 16379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 16389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 16399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 16409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec req; 16419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten req.tv_sec = ns / 1000000000LL; 16429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten req.tv_nsec = ns % 1000000000LL; 16439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nanosleep(&req, NULL /*rem*/); 16449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 1645ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 164689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 164789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16483acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 16493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 16503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 16513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1652f4022f90db5acb680870db8c1150b673cdd211d9Glenn Kasten resume(); 16533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 16543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 16553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 16563acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 16573acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 16583acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 16599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mResumeLatch = false; 16609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 16619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::AudioTrackThread::pauseConditional() 16639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 16649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex _l(mMyLock); 16659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mResumeLatch) { 16669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mResumeLatch = false; 16679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPaused = true; 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 16713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 16723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 16733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 16743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 16753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 16763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 16779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mResumeLatch = false; 16783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 16799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mResumeLatch = true; 16813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 16823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 16833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 168489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1685