AudioTrack.cpp revision 377b2ec9a2885f9b6405b07ba900a9e3f4349c38
199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten/* 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Copyright 2007, The Android Open Source Project 489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** you may not use this file except in compliance with the License. 789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** You may obtain a copy of the License at 889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 1089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 1189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 1289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 1389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** See the License for the specific language governing permissions and 1589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** limitations under the License. 1689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project*/ 1789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project//#define LOG_NDEBUG 0 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LOG_TAG "AudioTrack" 2189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/resource.h> 239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <audio_utils/primitives.h> 249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <binder/IPCThreadState.h> 2589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioTrack.h> 2689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <private/media/AudioTrackShared.h> 281ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kasten#include <media/IAudioFlinger.h> 29fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 30b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_PERIOD_MS 10 31b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_STREAM_END_TIMEOUT_SEC 120 32b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 33511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten 3489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 3633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 3733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 3833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 39e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 40fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 4133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 4233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 43d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 44d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 45d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 4604cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 4704cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten // default to 0 in case of error 4804cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten *frameCount = 0; 4904cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 50e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME merge with similar code in createTrack_l(), except we're missing 51e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // some information here that is available in createTrack_l(): 52e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 53e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 54e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 55e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_output_flags_t flags 563b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 5733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 5833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 5933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 60e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 6133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 6233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 6333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 6533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 6633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 6733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 6933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 7033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minBufCount < 2) { 729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minBufCount = 2; 739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 7533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 76e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten afFrameCount * minBufCount * sampleRate / afSampleRate; 773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("getMinFrameCount=%d: afFrameCount=%d, minBufCount=%d, afSampleRate=%d, afLatency=%d", 783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 7933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 8033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 85879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 864ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 874ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 93fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 95e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 9628b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 980ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 101be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 1029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 103ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 1049cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen const audio_offload_info_t *offloadInfo, 1059cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen int uid) 106879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1074ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1084ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1110d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 112a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 1139cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 1149cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen offloadInfo, uid); 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 117c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 118fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 120e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 12128b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1230ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 126be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 1279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 128ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 1299cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen const audio_offload_info_t *offloadInfo, 1309cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen int uid) 131879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1324ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1334ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1360d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 13717a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 1389cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, uid); 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 149b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 1503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15453cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 15553cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1573a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 162fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 164e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 16528b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 166e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten int frameCountInt, 1670ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 172be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 1739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 174ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 1759cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen const audio_offload_info_t *offloadInfo, 1769cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen int uid) 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 1799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 1809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 1819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 1829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 1839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 1849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 1869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 1899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 1909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 1919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 1959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 1969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 1979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 1989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 2029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 2039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 2049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 2089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 2099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 213e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten // FIXME "int" here is legacy and will be replaced by size_t later 214e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (frameCountInt < 0) { 215e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGE("Invalid frame count %d", frameCountInt); 216e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten return BAD_VALUE; 217e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten } 218e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount = frameCountInt; 21989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22085ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 22185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 223e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set() streamType %d frameCount %u flags %04x", streamType, frameCount, flags); 2241a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 22753cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 2281dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 22929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 233b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = 0; 234b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 236fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 237fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 239ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 2413b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 242e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 243e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 244e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 247e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 248ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 250e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 251fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2530d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (channelMask == 0) { 2540d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask = AUDIO_CHANNEL_OUT_STEREO; 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 258fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 2599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid format %d", format); 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 262c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 263e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 264e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 265e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 266e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 267e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 268e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 269c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 270b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 271b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 272b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 273b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 274b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 275b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 2760ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2780ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 279c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2801948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 2811948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 2821948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 2831948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 284c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2850d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_output_channel(channelMask)) { 28628b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 28789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 289a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 2900d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 291a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 29289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 293e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (audio_is_linear_pcm(format)) { 294e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 295e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = channelCount * sizeof(int16_t); 296e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 297e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = sizeof(uint8_t); 298e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = sizeof(uint8_t); 299e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 300e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 301fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 302fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 303e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 304ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald flags, 305ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald offloadInfo); 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 307c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 30829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 309c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 31334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 31405632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 315d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 316b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 317d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 319be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 3209cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen if (uid == -1 || (IPCThreadState::self()->getCallingPid() != getpid())) { 3219cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 3229cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen } else { 3239cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen mClientUid = uid; 3249cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen } 3252beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 326093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 3274a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 328be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 329a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 330896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 331a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 332a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 333a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 33434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 3351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 3361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 337e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 3381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 3391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 3401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 3419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten output, 3429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 0 /*epoch*/); 343a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 34434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 345a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 346b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 347b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 348a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 349a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 350b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald //Use of direct and offloaded output streams is ref counted by audio policy manager. 351b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 352b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 353b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::releaseOutput(output); 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 359e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 3619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 3639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3652c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 3683a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 3699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 3709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 3719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 372b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = output; 3739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 379b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 381f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 382b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 3839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 384b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 3859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 3882b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 3899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 390b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 391b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 392b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 393b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 394b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 3959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 3969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 3979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 398ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 399ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 400ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 40396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 40489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 4069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 407b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 408b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 409b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 410b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 411b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 4269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 4279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 4309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 4319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 433b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 434b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 435b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 437879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 438a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 442b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 4439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 4449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 4469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 4479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 4489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME pause then stop should not be a nop 4499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 4509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 453b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 454b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 455b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 456b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 457b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 458b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 4609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 4619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 4629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 4639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 4649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 4659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Force flush if a shared buffer is used otherwise audioflinger 4669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // will not stop before end of buffer is reached. 4679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 4689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 472b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 4749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 475b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (!isOffloaded()) { 476b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 477b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 4809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 4819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4869a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 4979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4984bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 4999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 5031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 5049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 505c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5062c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 5072c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 5082c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 5092c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 510b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 511c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 513b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 514b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 515b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5174bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 51889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 52189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 522f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 523b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 524b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 525b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 526b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 527b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 5289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 52989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 53289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 53389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 534be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 53589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 536f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 537be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 538be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 539be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 54189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 544e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 545be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 54659fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent if (isOffloaded()) { 54759fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 54859fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 549be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 552b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 55389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 554b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 555be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 556be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5572beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 558be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 55905632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 560be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 561be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 562be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 564be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 565e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 566be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 567be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 568be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 569be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 570a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 571be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 572be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 5739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 574be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 57589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5773b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 579b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mIsTimed || isOffloaded()) { 5804ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5814ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5824ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 585573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 588d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) { 589d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 590d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 593e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 594e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 595e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 596573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 599a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 60089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6014ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 6023b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 6034ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6044ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6065e49afd05566820517747b9a8071c99ec0918328Eric Laurent 6075e49afd05566820517747b9a8071c99ec0918328Eric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 6085e49afd05566820517747b9a8071c99ec0918328Eric Laurent // query the HAL and update if needed. 6095e49afd05566820517747b9a8071c99ec0918328Eric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 6105e49afd05566820517747b9a8071c99ec0918328Eric Laurent if (isOffloaded()) { 6115e49afd05566820517747b9a8071c99ec0918328Eric Laurent if (mOutput != 0) { 6125e49afd05566820517747b9a8071c99ec0918328Eric Laurent uint32_t sampleRate = 0; 6135e49afd05566820517747b9a8071c99ec0918328Eric Laurent status_t status = AudioSystem::getSamplingRate(mOutput, mStreamType, &sampleRate); 6145e49afd05566820517747b9a8071c99ec0918328Eric Laurent if (status == NO_ERROR) { 6155e49afd05566820517747b9a8071c99ec0918328Eric Laurent mSampleRate = sampleRate; 6165e49afd05566820517747b9a8071c99ec0918328Eric Laurent } 6175e49afd05566820517747b9a8071c99ec0918328Eric Laurent } 6185e49afd05566820517747b9a8071c99ec0918328Eric Laurent } 619e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 624b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 625083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 626083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 627083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 6299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 6319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 6329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 6399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 6409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 641c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 6429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 6479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME If setting a loop also sets position to start of loop, then 6499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // this is correct. Otherwise it should be removed. 6509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 6519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = loopCount != 0 ? loopEnd - loopStart : 0; 6529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 6539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 657fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 658b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 659d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 660d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6642c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 669a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 671b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 672b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 673b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 674d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 675d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 676d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 67789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 68289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 686fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 687b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 688d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 689d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 69389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 697a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 699b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 700b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 701b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 702d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 703d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 704d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 70889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 71089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 71389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 714b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 715d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 716d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 7189c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7199c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7209c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 7239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 7249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 7259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 7269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 7279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 7289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 730d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 7329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME Check whether loops and setting position are incompatible in old code. 7349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If we use setLoop for both purposes we lose the capability to set the position while looping. 7359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(position, mFrameCount, 0); 736c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 73789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 73889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 73989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) const 74189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 742d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 743d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 744d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 747b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 748b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 74989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 750b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput != 0) { 751b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 752b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 753b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 754b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 755b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 756b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 757b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 0 : 758b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->getPosition(); 759b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 76089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 76189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 76289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 763377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 7649c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 7659c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 7669c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 7679c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7689c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 7699c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7709c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7719c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 7749c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 7759c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 7769c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 77789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 77889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 779b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 780083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 781083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 782083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 7831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 7859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 786d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 787d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 7899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME The new code cannot reload while keeping a loop specified. 7919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Need to check how the old code handled this, and whether it's a significant change. 7929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(0, mFrameCount, 0); 79389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 79489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 79589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 796c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 797c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 7981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 799b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 8001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 8011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 8031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 8041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 805b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput) { 806b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 807b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 808b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return AudioSystem::getOutput(mStreamType, 809b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mSampleRate, mFormat, mChannelMask, mFlags); 810b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 811c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 812c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 813be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 814be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 8159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8162beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 8172beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 8182beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 8192beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 8202beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 821be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 822be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 82389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 82489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 8261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 827fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 82834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 829e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 830e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 8310ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 83234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 8339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_io_handle_t output, 8349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t epoch) 83534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 83634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 83734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 83834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 839e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 840e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 84134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 84234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 843ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 844ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 845d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 846ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getLatency(output, streamType, &afLatency); 847ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 8489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 849d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 850d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 851d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 852ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 853ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getFrameCount(output, streamType, &afFrameCount); 854ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 855ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, streamType, status); 856ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten return NO_INIT; 857ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 858ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 859ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 860ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getSamplingRate(output, streamType, &afSampleRate); 861ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 862ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten ALOGE("getSamplingRate(output=%d, streamType=%d) status %d", output, streamType, status); 863ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten return NO_INIT; 864ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 865ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 8664a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 8674a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 8680ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 8694a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 8704a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 8714a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 8724a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 8734a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 8743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 875093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 8760ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 877093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 8784a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 879e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 8804a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 881398f21348e5100289f6e5be30c8b5257fa04aaf9Martin Storsjo if ((flags & AUDIO_OUTPUT_FLAG_FAST) && sampleRate != afSampleRate) { 882398f21348e5100289f6e5be30c8b5257fa04aaf9Martin Storsjo ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client due to mismatching sample rate (%d vs %d)", 883398f21348e5100289f6e5be30c8b5257fa04aaf9Martin Storsjo sampleRate, afSampleRate); 884398f21348e5100289f6e5be30c8b5257fa04aaf9Martin Storsjo flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 885398f21348e5100289f6e5be30c8b5257fa04aaf9Martin Storsjo } 886398f21348e5100289f6e5be30c8b5257fa04aaf9Martin Storsjo 887ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 888b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 889b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 890ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 2 normal track, no sample rate conversion 891ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 3 normal track, with sample rate conversion 892ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // (pessimistic; some non-1:1 conversion ratios don't actually need triple-buffering) 893ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n > 3 very high latency or very small notification interval; nBuffering is ignored 894ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten const uint32_t nBuffering = (sampleRate == afSampleRate) ? 2 : 3; 895ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 896d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 897e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 898fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 899e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 900d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 901e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 902d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 903e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 904e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 905d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 906b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 907b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 908b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 909e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (sharedBuffer != 0) { 910e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 911a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 912e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 913e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten size_t alignment = /* format == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 914a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 915e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 916e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 917e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 918377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT if (((uintptr_t)sharedBuffer->pointer() & (alignment - 1)) != 0) { 919a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 920a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten sharedBuffer->pointer(), mChannelCount); 921e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 922e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 923e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 924e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 925e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 926e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 927e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 928a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten frameCount = sharedBuffer->size()/mChannelCount/sizeof(int16_t); 929e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 930e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 931e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 932e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 933e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 934d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 935d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 936bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten ALOGV("afFrameCount=%d, minBufCount=%d, afSampleRate=%u, afLatency=%d", 937bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 938ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (minBufCount <= nBuffering) { 939ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten minBufCount = nBuffering; 9407c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 941d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 942e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 943e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 9443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 9453acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 946d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 947e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 948e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 949ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } else if (frameCount < minFrameCount) { 950e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 951e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 952e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 953e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 954e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 955ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Make sure that application is notified with sufficient margin before underrun 956ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 957ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 958ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 959e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 960e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 961e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 962d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 963d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 964a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 965a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 966a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 967a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 9683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 9693acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 9700ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 9714a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 9723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 9733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 9743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 9754a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 9764a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 977b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 978b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 979b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 980b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 9818d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 98234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 98360a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 98460a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? 98560a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : format, 986a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 98734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 988e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 98934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 99034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 9913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 992be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 993d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten mName, 9949cae217050aa1347d4ac5053c305754879e3f97fMarco Nelissen mClientUid, 99534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 99634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 99734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 99829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 99934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 100034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1001d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1002d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 100329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 100434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 100534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 100653cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 10079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 10089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 10099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 10109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 101134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1012d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 1013d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); 1014d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 1015b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten size_t temp = cblk->frameCount_; 1016b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1017b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1018b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1019b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 1020b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 1021b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1022b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 1023a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 10243acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 1025e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 1026b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", frameCount); 1027a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 10289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 1029b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // Theoretically double-buffering is not required for fast tracks, 1030b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // due to tighter scheduling. But in practice, to accommodate kernels with 1031b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // scheduling jitter, and apps with computation jitter, we use double-buffering. 1032b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1033b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 1037b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 1038093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1039093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 1040093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 10419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 1042ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1043ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1046e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1048b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1049b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1050b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1051b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1052b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1053b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 1054b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mFlags = flags; 1055b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NO_INIT; 1056b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1057b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1058b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 10599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 10609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 10629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 10639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 10649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 10659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 106634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 10679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 106834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 10699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = sharedBuffer->pointer(); 107034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 107134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 10722beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1073e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1074b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mLatency = afLatency + (1000*frameCount) / sampleRate; 1075b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1076093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1077093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1078b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1079b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1080093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1081e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1082e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 10839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 10849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 10859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 10869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 10879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 10889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 10899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1090e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | 1091e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten uint16_t(mVolume[LEFT] * 0x1000)); 1092e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1093e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 10949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 10959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 10969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 10989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->linkToDeath(mDeathNotifier, this); 1099e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 110034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 110134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 110234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 110389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 110489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 11069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 11079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 11099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 11109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 11119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 11129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 11139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 11169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 11179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 11189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 11199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 11209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 11219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 11229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 11239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 11249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 11259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 11269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 11279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 11289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 11299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 11319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 11329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 11349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 11359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 11369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 11379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 11389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1139e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 11409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 11419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 114289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 11449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 114589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 11479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 11489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 11499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 11509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 115189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 11539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 11559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 11569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 11579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 11589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 11599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 11609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 11619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1162b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1163b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1164b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 11659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 116689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 116789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1170c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 11729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 11739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 11749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1175b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1176b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1177b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1178b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1179b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1180b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1181b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1182b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 11839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 11849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 11859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 118689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 118789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1189c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 11919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 11929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 119389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 119589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 11979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 11989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 11999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 12009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 120189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 120389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 120489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 120589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 120689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 12089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 12129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 12139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 12179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 12189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1219e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 12201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 12219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 12229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 12239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 12259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 12269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 122796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1228d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten ALOGW("releaseBuffer() track %p name=%s disabled due to previous underrun, restarting", 1229d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten this, mName.string()); 12309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1231df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1232df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1233df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 123489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 123589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 123789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 123989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1241d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1242d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 124389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 124599e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 124699e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1247377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 124889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 124989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 125089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 125289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 125389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 12559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1256c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 125889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 12599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 126089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1261d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 126289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 126389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 126489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 126589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 12660ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 126789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 12689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 12699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 12703302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 127189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 12729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 127389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 127589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 127689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 127789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 127889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 12799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 128089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 128289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 128389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 128589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12864ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 12874ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 12884ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12894ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12904ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 12914ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1292d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 12934ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 12944ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1296d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1297d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1298d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1299d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 13009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1301d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 13024ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 13034ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1304c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1305d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 130696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 13074ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 13084ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 130996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 13104ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13114ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13124ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13134ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 13144ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 131596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 13169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 13174ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 13194ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1320d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 13214ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13224ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13234ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 13244ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13254ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13264ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 13274ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 13284ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1329df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1330df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1331df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1332d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1333df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1334df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 133596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 133696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1337df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 13389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1339df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1340df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 13414ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1342df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 13434ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13444ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13454ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 13464ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 13474ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 13484ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 13494ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13504ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13514ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 13524ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastennsecs_t AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 135489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1355fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1356fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1357fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1358fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1359fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 13601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1361a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1362a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1363a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1364a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1365a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1366a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1367a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1368a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1369a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1370a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1371a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1372a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1373a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1374a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1375a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1376a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1377a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1378b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1379b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1380a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 13811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 13839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 138496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1385a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 13869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 13879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1388b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1389b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1390b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1391b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (!isOffloaded() || (mSequence == mObservedSequence)) { 1392b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 1393b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1394b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // Run again immediately, but with a new IAudioTrack 1395b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1396b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 139789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1398c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1399b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 14009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 140189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 14039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 14049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 14059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 14069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 14079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 14089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 14099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 14109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 14119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 14129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 14139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 14149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 14169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 14179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 14189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 14199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 142089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 142189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 14239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 14249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 142589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 14269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 14279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 14289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 14309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 14319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 14349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 14359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 14369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 14379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 14399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 14409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 14419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 14449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t loopPeriod = mLoopPeriod; 14459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 14469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t notificationFrames = mNotificationFramesAct; 14479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 14489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 14499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 14509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 14519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1453b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 14569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 14579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 14589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 14609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1461b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1462b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AutoMutex lock(mLock); 1463b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1464b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald sp<AudioTrackClientProxy> proxy = mProxy; 1465b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald sp<IMemory> iMem = mCblkMemory; 1466b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1467b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1468b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1469b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1470b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1471b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1472b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = mProxy->waitStreamEndDone(&timeout); 1473b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.lock(); 1474b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1475b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1476b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1477b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1478b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1479b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 1480b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.lock(); 1481b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1482b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 1483b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (status != DEAD_OBJECT) { 1484b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1485b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1486b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1487b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1488b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald default: 1489b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1490b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1491b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1492b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 14939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 14959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 14989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 14999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 15039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 15049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 15079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 15099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 15109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 15129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 15139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1514b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 15169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 15179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1518b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1519b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1520b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1521b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 152289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 152389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 15269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 152789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 152889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 15309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 15319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 15329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 15339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 15349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 15379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 15399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 154089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 154189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 15439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 15449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 15459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 15462267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 15472267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 15489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 15519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 15549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 15579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 15599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 156089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 15639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 15649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 15679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 15689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1571c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 1580b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("obtainBuffer(%u) returned %u = %u + %u err %d", 1581b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 15829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1583b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1584b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 158689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 158989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 159142a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 15979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 15999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1600d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 160189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 160289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 160389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 160489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 16050ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 160689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 160789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 160889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 160989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 161089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 16119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 16129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenFrames = writtenSize / mFrameSize; 161389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 16159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 16179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) writtenSize); 16189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 16199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 16228555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 16238555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 16248555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 16258555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 16269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1627d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 162889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16290ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1630511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1631511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 16329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 163389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 163489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 16369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 16379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 16389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 16399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 16409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 16429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 164389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 164489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 164589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 16479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 16489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 16499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 16539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 16589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 16599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 16609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 16619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 16629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 16639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 16649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 16669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 166789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 16709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 16729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 167389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 167489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 16761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1677b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 1678b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald isOffloaded() ? "Offloaded" : "PCM", from); 16799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 16801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 16811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1682a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1683a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // output parameters in getOutput_l() and createTrack_l() 1684a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1685a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1686b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1687b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1688b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1689b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1690b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // force new output query from audio policy manager; 1691b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = 0; 1692b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald audio_io_handle_t output = getOutput_l(); 1693b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1694a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1695a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1696a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 1697cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1698cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 1699cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent size_t position = mProxy->getPosition() + mProxy->getFramesFilled(); 17009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t bufferPosition = mStaticProxy != NULL ? mStaticProxy->getBufferPosition() : 0; 1701a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = createTrack_l(mStreamType, 1702e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate, 1703a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFormat, 1704b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount, // so that frame count never goes down 1705a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFlags, 1706a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mSharedBuffer, 1707b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald output, 17089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten position /*epoch*/); 1709a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1710a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // continue playback from last known position, but 17129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // don't attempt to restore loop after invalidation; it's difficult and not worthwhile 17139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mStaticProxy != NULL) { 17149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 17159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(bufferPosition, mFrameCount, 0); 17169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME How do we simulate the fact that all frames present in the buffer at the time of 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // track destruction have been played? This is critical for SoundPool implementation 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This must be broken, and needs to be tested/debugged. 17209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 1721a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 17229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!strcmp(from, "start")) { 1723a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1724a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1725a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1726a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 172796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &mCblk->mFlags); 17281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1732a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 17331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 1736b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald //Use of direct and offloaded output streams is ref counted by audio policy manager. 1737b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 1738b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 1739b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::releaseOutput(output); 17409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 17419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 17421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 17451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 17461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1747ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1748ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1749ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 175053cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 1751ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1752ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1753ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1754ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 175553cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 1756fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 1757fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1758fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1759fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1760fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 1761fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1762fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1763fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 1764fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (status == NO_ERROR) { 1765fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten timestamp.mPosition += mProxy->getEpoch(); 1766fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1767fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 1768ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 1769ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 1770ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 1771ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1772b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput) { 1773b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return AudioSystem::getParameters(mOutput, keys); 1774b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1775b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 1776b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1777ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1778ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 177989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 178089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 178189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 178289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 178389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 178489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 178589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 178689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 178785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 178885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 178989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1790377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 1791b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 179289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1793e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 179489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 17959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 179689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 179789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 179889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 179989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 180089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 18029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 18049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 18059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 18089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who) 18109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 18129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 18139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 18149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 18159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 181889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 181989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 182089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 1821598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 1822598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 18233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18243acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18253acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18263acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 182789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 182889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 182989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 183089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 183189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 18323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 18333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 18353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 18363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 18373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 18383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1839598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 1840598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 1841598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 1842598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 18435a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 18445a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 18455a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 18465a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 18475a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 18485a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18499d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 18505a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 18515a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 18539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(this); 18549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 18559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 18569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 18585a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 18599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 18619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 18625a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 18635a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 18645a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 18655a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 18669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 18679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 18685a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 18699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 1870ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 187189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 187289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 18743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 18763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1877598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 18783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 18813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 18843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 18873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 1889598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 18909d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 18913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 18929d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 18933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 18943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 18953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18963acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18975a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 18985a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 18995a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 19005a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 19015a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 19025a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 19035a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 190489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1905