AudioTrack.cpp revision 8ba90326d683b035d99e24db669093e4602a7149
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, 104462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 105462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco 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, 113462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 114462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco 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, 129462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 130462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco 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, 138462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco 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, 175462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 176462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco 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 } 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 255fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 2569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid format %d", format); 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 259c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2608ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 2618ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 2628ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 2638ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 2648ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 265e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 266e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 267e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 268e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 269e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 270e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 271c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 272b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 273b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 274b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 275b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 276b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 277b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 2780ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2800ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 281c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2821948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 2831948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 2841948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 2851948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 286c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 287a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 2880d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 289a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 29089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 291e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (audio_is_linear_pcm(format)) { 292e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 293e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = channelCount * sizeof(int16_t); 294e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 295e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = sizeof(uint8_t); 296e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = sizeof(uint8_t); 297e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 298e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 299fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 300fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 301e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 302ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald flags, 303ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald offloadInfo); 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 305c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 30629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 307c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 31134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 31205632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 313d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 314b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 315d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 317be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 318462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen if (uid == -1 || (IPCThreadState::self()->getCallingPid() != getpid())) { 319462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 320462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 321462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 322462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 3232beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 324093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 3254a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 326be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 327a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 328896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 329a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 330a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 331a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 33234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 3331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 3341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 335e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 3361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 3371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 3381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 3399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten output, 3409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 0 /*epoch*/); 341a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 34234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 343a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 344b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 345b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 346a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 347a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 348b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald //Use of direct and offloaded output streams is ref counted by audio policy manager. 349b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 350b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 351b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::releaseOutput(output); 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 357e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 3599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 3619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3632c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 3663a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 3679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 3689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 3699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 370b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = output; 3719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 377b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 379f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 380b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 3819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 382b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 3839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 3862b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 3879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 388b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 389b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 390b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 391b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 392b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 3939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 3949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 3959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 396ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 397ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 398ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 40196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 4049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 405b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 406b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 407b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 408b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 409b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 4249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 4259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 4289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 4299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 431b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 432b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 433b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 435879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 436a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 440b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 4419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 4429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 4449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 4459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 446397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 4479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 450b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 451b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 452b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 453b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 454b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 455b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 4579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 4589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 4599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 4609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 4619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 4629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Force flush if a shared buffer is used otherwise audioflinger 4639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // will not stop before end of buffer is reached. 4649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 4659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 469b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 4719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 472b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (!isOffloaded()) { 473b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 474b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 4779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 4789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4839a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 4949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4954bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 4969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 4981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 5001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 5019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 502c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5032c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 5042c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 5052c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 5062c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 507b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 508c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 510b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 511b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 512b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5144bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 51889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 519f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 520b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 521b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 522b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 523b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 524b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 5259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 52689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 52989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 53089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 531be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 53289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 533f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 534be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 535be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 536be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 53889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 54089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 541e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 542be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 54359fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent if (isOffloaded()) { 54459fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 54559fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 546be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 549b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 551b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 552be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 553be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5542beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 555be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 55605632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 557be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 558be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 559be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 561be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 562e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 563be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 564be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 565be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 566be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 567a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 568be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 569be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 5709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 571be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 57289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5743b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 57589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 576b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mIsTimed || isOffloaded()) { 5774ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5784ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5794ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 582573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 585d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) { 586d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 587d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 590e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 591e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 592e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 593573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 596a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5984ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5993b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 6004ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6014ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 603e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 608b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 609083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 610083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 611083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 6139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 6159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 6169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 6239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 6249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 625c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 6269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 6319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME If setting a loop also sets position to start of loop, then 6339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // this is correct. Otherwise it should be removed. 6349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 6359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = loopCount != 0 ? loopEnd - loopStart : 0; 6369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 6379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 641fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 642b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 643d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 644d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6482c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 653a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 655b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 656b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 657b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 658d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 659d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 660d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 66489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 670fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 671b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 672d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 673d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 67789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 681a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 68289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 683b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 684b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 685b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 686d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 687d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 688d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 68989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 69189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 69289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 698b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 699d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 700d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 7029c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7039c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7049c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 7079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 7089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 7099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 7109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 7119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 7129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 714d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 7169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME Check whether loops and setting position are incompatible in old code. 7189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If we use setLoop for both purposes we lose the capability to set the position while looping. 7199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(position, mFrameCount, 0); 720c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 72189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 72389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) const 72589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 726d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 727d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 728d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 731b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 732b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 73389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 734b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput != 0) { 735b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 736b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 737b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 738b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 739b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 740b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 741b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 0 : 742b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->getPosition(); 743b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 74489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 74589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getBufferPosition(size_t *position) 7489c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 7499c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 7509c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 7519c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7529c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 7539c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7549c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7559c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 7589c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 7599c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 7609c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 76189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 76289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 763b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 764083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 765083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 766083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 7671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 7699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 770d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 771d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 7739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME The new code cannot reload while keeping a loop specified. 7759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Need to check how the old code handled this, and whether it's a significant change. 7769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(0, mFrameCount, 0); 77789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 77889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 77989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 780c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 781c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 7821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 783b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 7841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 7881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 789b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput) { 790b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 791b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 792b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return AudioSystem::getOutput(mStreamType, 793b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mSampleRate, mFormat, mChannelMask, mFlags); 794b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 795c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 796c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 797be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 798be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 7999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8002beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 8012beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 8022beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 8032beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 8042beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 805be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 806be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 80789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 80889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 8101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 811fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 81234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 813e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 814e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 8150ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 81634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 8179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_io_handle_t output, 8189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t epoch) 81934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 82034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 82134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 82234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 823e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 824e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 82534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 82634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 827ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 828ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 829d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 830ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getLatency(output, streamType, &afLatency); 831ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 8329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 833d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 834d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 835d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 836ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 837ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getFrameCount(output, streamType, &afFrameCount); 838ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 839ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, streamType, status); 840ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten return NO_INIT; 841ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 842ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 843ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 844ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getSamplingRate(output, streamType, &afSampleRate); 845ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 846ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten ALOGE("getSamplingRate(output=%d, streamType=%d) status %d", output, streamType, status); 847ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten return NO_INIT; 848ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 849ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 8504a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 8514a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 8520ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 8534a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 8544a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 8554a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 8564a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 8574a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 8583acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 859093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 8600ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 861093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 8624a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 863e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 8644a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 865ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 866ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 1 fast track; nBuffering is ignored 867ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 2 normal track, no sample rate conversion 868ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 3 normal track, with sample rate conversion 869ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // (pessimistic; some non-1:1 conversion ratios don't actually need triple-buffering) 870ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n > 3 very high latency or very small notification interval; nBuffering is ignored 871ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten const uint32_t nBuffering = (sampleRate == afSampleRate) ? 2 : 3; 872ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 873d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 874e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 875fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 876e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 877d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 878e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 879d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 880e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 881e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 882d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 883b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 884b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 885b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 886e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (sharedBuffer != 0) { 887e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 888a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 889e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 890e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten size_t alignment = /* format == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 891a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 892e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 893e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 894e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 895a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (((size_t)sharedBuffer->pointer() & (alignment - 1)) != 0) { 896a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 897a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten sharedBuffer->pointer(), mChannelCount); 898e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 899e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 900e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 901e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 902e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 903e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 904e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 905a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten frameCount = sharedBuffer->size()/mChannelCount/sizeof(int16_t); 906e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 907e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 908e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 909e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 910e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 911d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 912d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 913bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten ALOGV("afFrameCount=%d, minBufCount=%d, afSampleRate=%u, afLatency=%d", 914bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 915ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (minBufCount <= nBuffering) { 916ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten minBufCount = nBuffering; 9177c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 918d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 919e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 920e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 9213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 9223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 923d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 924e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 925e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 926ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } else if (frameCount < minFrameCount) { 927e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 928e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 929e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 930e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 931e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 932ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Make sure that application is notified with sufficient margin before underrun 933ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 934ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 935ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 936e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 937e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 938e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 939d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 940d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 941a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 942a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 943a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 944a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 9453acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 9463acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 9470ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 9484a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 9493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 9503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 9513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 9524a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 9534a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 954b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 955b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 956b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 957b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 9588d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 95934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 96060a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 96160a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? 96260a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : format, 963a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 96434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 965e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 96634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 96734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 9683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 969be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 970d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten mName, 971462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 97234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 97334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 97434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 97529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 97634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 97734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 978d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 979d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 98029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 98134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 98234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 98353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 9849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 9859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 9869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 9879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 98834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 989d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 990d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); 991d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 992b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten size_t temp = cblk->frameCount_; 993b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 994b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 995b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 996b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 997b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 998b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 999b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 1000a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 10013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 1002e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 1003b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", frameCount); 1004a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 10059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 10069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // double-buffering is not required for fast tracks, due to tighter scheduling 10079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount) { 10089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = frameCount; 10099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 1012b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 1013093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1014093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 1015093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 10169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 1017ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1018ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1021e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1023b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1024b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1025b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1026b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1027b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1028b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 1029b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mFlags = flags; 1030b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NO_INIT; 1031b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1032b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1033b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 10349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 10359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 10379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 10389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 10399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 10409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 104134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 10429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 104334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 10449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = sharedBuffer->pointer(); 104534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 104634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 10472beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1048e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1049b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mLatency = afLatency + (1000*frameCount) / sampleRate; 1050b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1051093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1052093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1053b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1054b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1055093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1056e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1057e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 10589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 10599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 10609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 10619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 10629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 10639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 10649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1065e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | 1066e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten uint16_t(mVolume[LEFT] * 0x1000)); 1067e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1068e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 10699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 10709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 10719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 10739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->linkToDeath(mDeathNotifier, this); 1074e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 107534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 107634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 107734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 107889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 107989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 10819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 10829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 10849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 10859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 10869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 10879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 10889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 10919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 10929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 10939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 10949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 10959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 10969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 10979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 10989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 10999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 11009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 11019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 11029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 11039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 11049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 11069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 11079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 11099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 11109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 11119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 11129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 11139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1114e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 11159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 11169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 111789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 11199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 112089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 11229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 11239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 11249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 11259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 112689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 11289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 11309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 11319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 11329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 11339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 11349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 11359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 11369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1137b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1138b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1139b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 11409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 114189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 114289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1145c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 11479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 11489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 11499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1150b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1151b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1152b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1153b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1154b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1155b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1156b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1157b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 11589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 11599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 11609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 116189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 116289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1164c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 11669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 11679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 116889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 117089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 11729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 11739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 11749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 11759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 117689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 117889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 117989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 118089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 118189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 11839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 11849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 11879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 11889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 11899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 11929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 11939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1194e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 11951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 11969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 11979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 11989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 12009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 12019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 120296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1203d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten ALOGW("releaseBuffer() track %p name=%s disabled due to previous underrun, restarting", 1204d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten this, mName.string()); 12059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1206df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1207df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1208df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 120989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 121089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 121189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 121289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 121389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 121489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1216d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1217d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 121889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 122099e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 122199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 12229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", buffer, userSize, userSize); 122389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 122489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 122589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 122789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 122889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 12309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1231c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 123389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 12349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 123589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1236d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 123789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 123889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 123989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 12410ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 124289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 12439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 12449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 12453302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 124689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 12479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 124889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 125089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 125189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 125289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 125389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 12549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 125589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 125689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 125789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 125889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 125989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 126089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12614ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 12624ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 12634ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12644ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12654ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 12664ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1267d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 12684ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 12694ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1271d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1272d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1273d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1274d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 12759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1276d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 12774ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 12784ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1279c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1280d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 128196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 12824ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 12834ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 128496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 12854ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 12864ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 12874ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12884ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 12894ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 129096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 12919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 12924ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 12944ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1295d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 12964ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 12974ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12984ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 12994ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13004ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13014ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 13024ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 13034ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1304df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1305df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1306df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1307d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1308df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1309df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 131096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 131196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1312df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 13139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1314df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1315df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 13164ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1317df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 13184ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13194ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13204ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 13214ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 13224ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 13234ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 13244ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13254ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13264ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 13274ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastennsecs_t AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 132989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1330fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1331fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1332fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1333fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1334fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 13351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1336a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1337a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1338a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1339a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1340a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1341a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1342a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1343a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1344a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1345a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1346a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1347a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1348a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1349a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1350a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1351a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1352a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1353b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1354b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1355a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 13561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 13589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 135996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1360a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 13619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 13629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1363b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1364b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1365b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1366b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (!isOffloaded() || (mSequence == mObservedSequence)) { 1367b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 1368b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1369b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // Run again immediately, but with a new IAudioTrack 1370b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1371b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 137289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1373c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1374b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 13759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 137689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 13789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 13799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 13809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 13819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 13829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 13839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 13849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 13859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 13869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 13879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 13889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 13899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 13919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 13929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 13939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 13949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 139589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 139689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 13989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 13999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 140089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 14019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 14029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 14039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 14059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 14069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 14099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 14109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 14119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 14129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 14149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 14159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 14169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 14199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t loopPeriod = mLoopPeriod; 14209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 14219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t notificationFrames = mNotificationFramesAct; 14229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 14239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 14249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 14259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 14269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1428b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 14299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 14319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 14329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 14339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 14359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1436b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1437b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AutoMutex lock(mLock); 1438b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1439b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald sp<AudioTrackClientProxy> proxy = mProxy; 1440b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald sp<IMemory> iMem = mCblkMemory; 1441b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1442b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1443b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1444b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1445b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1446b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1447b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = mProxy->waitStreamEndDone(&timeout); 1448b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.lock(); 1449b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1450b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1451b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1452b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1453b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1454b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 1455b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.lock(); 1456b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1457b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 1458b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (status != DEAD_OBJECT) { 1459b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1460b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1461b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1462b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1463b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald default: 1464b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1465b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1466b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1467b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 14689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 14709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 14739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 14749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 14759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 14769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 14789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 14799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 14819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 14829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 14849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 14859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 14869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 14879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 14889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1489b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 14909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 14919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1493b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1494b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1495b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1496b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 149789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 149889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 150289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 150389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 15079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 15099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 15129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 15149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 151589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 151689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 15189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 15199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 15209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 15212267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 15222267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 15239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 15269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 15279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 15289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 15299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 15329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 15339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 15349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 153589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 15379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 15389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 15399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 15409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 15419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 15429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 15439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1546c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 15489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 15519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 15549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 1555b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("obtainBuffer(%u) returned %u = %u + %u err %d", 1556b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 15579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1558b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1559b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 156189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 15639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 156489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 156642a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 15679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 15689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 15709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 15729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1575d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 157689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 157789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 157889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 157989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 15800ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 158189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 158289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 158389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 158489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 158589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 15879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenFrames = writtenSize / mFrameSize; 158889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 158989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) writtenSize); 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 15978555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 15988555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 15998555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 16008555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 16019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1602d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 160389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16040ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1605511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1606511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 16079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 160889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 160989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 16119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 16129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 16139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 16149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 16159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 16179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 161889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 162089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 16239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 16249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 16289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 16299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 16339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 16349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 16359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 16369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 16379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 16389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 16399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 16419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 164289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 16449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 16459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 16479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 164889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 164989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 16511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1652b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 1653b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald isOffloaded() ? "Offloaded" : "PCM", from); 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 16551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 16561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1657a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1658a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // output parameters in getOutput_l() and createTrack_l() 1659a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1660a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1661b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1662b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1663b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1664b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1665b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // force new output query from audio policy manager; 1666b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = 0; 1667b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald audio_io_handle_t output = getOutput_l(); 1668b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1669a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1670a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1671a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 1672cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1673cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 1674cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent size_t position = mProxy->getPosition() + mProxy->getFramesFilled(); 16759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = position + mUpdatePeriod; 16769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t bufferPosition = mStaticProxy != NULL ? mStaticProxy->getBufferPosition() : 0; 1677a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = createTrack_l(mStreamType, 1678e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate, 1679a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFormat, 1680b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount, // so that frame count never goes down 1681a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFlags, 1682a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mSharedBuffer, 1683b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald output, 16849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten position /*epoch*/); 1685a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1686a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 16879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // continue playback from last known position, but 16889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // don't attempt to restore loop after invalidation; it's difficult and not worthwhile 16899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mStaticProxy != NULL) { 16909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 16919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(bufferPosition, mFrameCount, 0); 16929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME How do we simulate the fact that all frames present in the buffer at the time of 16949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // track destruction have been played? This is critical for SoundPool implementation 16959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This must be broken, and needs to be tested/debugged. 16969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 1697a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 16989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!strcmp(from, "start")) { 1699a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1700a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1701a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1702a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 170396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &mCblk->mFlags); 17041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1708a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 17091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 1712b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald //Use of direct and offloaded output streams is ref counted by audio policy manager. 1713b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 1714b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 1715b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::releaseOutput(output); 17169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 17179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 17181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 17211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 17221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1723ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1724ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1725ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 172653cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 1727ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1728ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1729ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1730ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 173153cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 1732fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 1733fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1734fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1735fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1736fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 1737fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1738fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1739fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 1740fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (status == NO_ERROR) { 1741fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten timestamp.mPosition += mProxy->getEpoch(); 1742fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1743fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 1744ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 1745ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 1746ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 1747ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1748b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput) { 1749b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return AudioSystem::getParameters(mOutput, keys); 1750b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1751b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 1752b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1753ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1754ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 175589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 175689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 175789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 175889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 175989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 176089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 176189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 176289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 176385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 176485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 176589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 176685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, 1767b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 176889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1769e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 177089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 17719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 177289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 177389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 177489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 177589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 177689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 17789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 17799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 17809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 17819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 17829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 17849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who) 17869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 17879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 17889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 17899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 17909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 17919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 17939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 179489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 179589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 179689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 1797598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 1798598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 17993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 180389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 180489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 180589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 180689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 180789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 18083acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 18093acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18103acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 18113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 18123acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 18133acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 18143acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1815598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 1816598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 1817598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 1818598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 18195a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 18205a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 18215a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 18225a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 18235a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 18245a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18259d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 18265a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 18275a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18283acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 18299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(this); 18309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 18319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 18329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 18345a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 18359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 18379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 18385a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 18395a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 18405a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 18415a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 18429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 18439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 18445a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 18459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 1846ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 184789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 184889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 18503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 18523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1853598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 18543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18563acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 18573acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18583acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 18603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 18633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 1865598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 18669d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 18673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 18689d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 18693acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 18703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 18713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18735a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 18745a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 18755a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 18765a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 18775a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 18785a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 18795a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 188089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1881