AudioTrack.cpp revision ce70374bf105f8a6160bf5dd70affea012b2a464
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, 104ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald const audio_offload_info_t *offloadInfo) 105879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1064ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1074ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1100d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 111a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 112ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo); 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 115c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 116fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 118e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 11928b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1210ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 124be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 1259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 126ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 127ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald const audio_offload_info_t *offloadInfo) 128879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1294ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1304ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1330d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 13417a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 135ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo); 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 146b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 1473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 1539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack.clear(); 1549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1563a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 161fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 163e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 16428b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 165e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten int frameCountInt, 1660ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 171be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 1729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 173ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 174ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald const audio_offload_info_t *offloadInfo) 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 1779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 1789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 1799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 1809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 1819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 1829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 1849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 1879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 1889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 1899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 1939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 1949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 1959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 1969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 2009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 2019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 2029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 2069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 2079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 211e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten // FIXME "int" here is legacy and will be replaced by size_t later 212e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (frameCountInt < 0) { 213e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGE("Invalid frame count %d", frameCountInt); 214e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten return BAD_VALUE; 215e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten } 216e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount = frameCountInt; 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 21985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 221e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set() streamType %d frameCount %u flags %04x", streamType, frameCount, flags); 2221a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2251dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 22629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 230b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = 0; 231b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 233fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 234fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 236ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 2383b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 239e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 240e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 241e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 244e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 245ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 247e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 248fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2500d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (channelMask == 0) { 2510d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask = AUDIO_CHANNEL_OUT_STEREO; 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 260e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 261e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 262e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 263e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 264e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 265e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 266c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 267b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 268b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 269b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 270b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 271b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 272b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 2730ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2750ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 276c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2771948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 2781948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 2791948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 2801948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 281c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2820d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_output_channel(channelMask)) { 28328b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 286a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 2870d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 288a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 28989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 290e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (audio_is_linear_pcm(format)) { 291e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 292e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = channelCount * sizeof(int16_t); 293e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 294e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = sizeof(uint8_t); 295e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = sizeof(uint8_t); 296e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 297e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 298fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 299fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 300e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 301ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald flags, 302ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald offloadInfo); 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 304c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 30529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 306c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 31034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 31105632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 312d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 313b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 314d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 316be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 3172beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 318093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 3194a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 320be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 321a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 322896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 323a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 324a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 325a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 32634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 3271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 3281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 329e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 3301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 3311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 3321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 3339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten output, 3349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 0 /*epoch*/); 335a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 33634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 337a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 338b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 339b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 340a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 341a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 342b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald //Use of direct and offloaded output streams is ref counted by audio policy manager. 343b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 344b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 345b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::releaseOutput(output); 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 351e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 3539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 3559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3572c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 3603a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 3619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 3629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 3639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 364b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = output; 3659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 371b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 373f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 374b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 3759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 376b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 3779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 3802b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 3819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 382b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 383b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 384b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 385b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 386b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 3879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 3889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 3899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 3919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 39296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 39389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 3959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 396b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 397b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 398b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 399b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 400b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 40689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 4159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 4169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 4199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 4209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 422b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 423b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 424b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 42589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 426879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 427a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 431b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 4329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 4339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 4359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 4369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 4379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME pause then stop should not be a nop 4389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 4399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 442b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 443b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 444b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 445b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 446b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 447b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 4499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 4509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 4519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 4529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 4539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 4549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Force flush if a shared buffer is used otherwise audioflinger 4559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // will not stop before end of buffer is reached. 4569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 4579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 461b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 4639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 464b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (!isOffloaded()) { 465b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 466b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 4699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 4709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 47189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 47489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4759a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 47789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 4869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4874bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 4889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 4901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 4921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 4939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 494c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4952c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4962c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4972c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4982c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 499b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 500c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 502b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 503b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 504b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5064bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 511f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 512b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 513b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 514b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 515b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 516b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 5179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 51889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 52189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 52289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 523be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 52489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 525f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 526be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 527be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 528be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 53089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 53189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 53289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 533e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 534be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 535be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 53689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 53789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 538b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 540b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 541be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 542be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5432beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 544be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 54505632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 546be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 547be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 548be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 550be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 551e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 552be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 553be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 554be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 555be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 556a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 557be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 558be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 5599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 560be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5633b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 565b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mIsTimed || isOffloaded()) { 5664ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5674ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5684ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 57089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 571573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 57289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 574d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) { 575d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 576d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 579e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 580e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 581e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 582573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 585a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5874ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5883b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 5894ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5904ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 592e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 597b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 598083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 599083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 600083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 6029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 6049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 6059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 60989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 6129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 6139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 614c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 6159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 6209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME If setting a loop also sets position to start of loop, then 6229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // this is correct. Otherwise it should be removed. 6239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 6249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = loopCount != 0 ? loopEnd - loopStart : 0; 6259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 6269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 630fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 631b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 632d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 633d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6372c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 642a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 644b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 645b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 646b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 647d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 648d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 649d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 65289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 659fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 660b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 661d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 662d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 670a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 672b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 673b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 674b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 675d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 676d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 677d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 687b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 688d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 689d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 6919c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 6929c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 6939c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 6949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 6969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 6979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 6989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 6999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 7009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 7019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 703d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 7059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME Check whether loops and setting position are incompatible in old code. 7079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If we use setLoop for both purposes we lose the capability to set the position while looping. 7089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(position, mFrameCount, 0); 709c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 71089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 71189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) const 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 715d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 716d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 717d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 720b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 721b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 723b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput != 0) { 724b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 725b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 726b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 727b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 728b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 729b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 730b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 0 : 731b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->getPosition(); 732b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 73389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 73489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 73589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getBufferPosition(size_t *position) 7379c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 7389c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 7399c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 7409c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7419c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 7429c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7439c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7449c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 7479c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 7489c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 7499c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 75089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 75189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 752b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 753083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 754083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 755083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 7561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 7589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 759d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 760d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 7629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME The new code cannot reload while keeping a loop specified. 7649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Need to check how the old code handled this, and whether it's a significant change. 7659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(0, mFrameCount, 0); 76689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 76789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 76889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 769c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 770c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 7711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 772b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 7731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 7771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 778b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput) { 779b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 780b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 781b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return AudioSystem::getOutput(mStreamType, 782b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mSampleRate, mFormat, mChannelMask, mFlags); 783b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 784c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 785c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 786be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 787be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 7889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7892beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 7902beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 7912beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 7922beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 7932beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 794be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 795be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 79689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 79789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 800fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 80134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 802e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 803e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 8040ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 80534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 8069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_io_handle_t output, 8079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t epoch) 80834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 80934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 81034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 81134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 812e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 813e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 81434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 81534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 816d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 8179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if ((status = AudioSystem::getLatency(output, streamType, &afLatency)) != NO_ERROR) { 8189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 819d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 820d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 821d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 8224a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 8234a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 8240ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 8254a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 8264a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 8274a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 8284a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 8294a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 8303acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 831093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 8320ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 833093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 8344a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 835e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 8364a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 837d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 838e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 839fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 840e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 841d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 842e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 843d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 844e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 845e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 8469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = AudioSystem::getFrameCount(output, streamType, &afFrameCount); 8479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 8489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, streamType, 8499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status); 850e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 851e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 852e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 853d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 854b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 855b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 856b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 857e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (sharedBuffer != 0) { 858e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 859a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 860e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 861e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten size_t alignment = /* format == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 862a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 863e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 864e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 865e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 866a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (((size_t)sharedBuffer->pointer() & (alignment - 1)) != 0) { 867a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 868a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten sharedBuffer->pointer(), mChannelCount); 869e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 870e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 871e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 872e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 873e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 874e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 875e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 876a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten frameCount = sharedBuffer->size()/mChannelCount/sizeof(int16_t); 877e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 878e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 879e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 880e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 8813b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 8829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = AudioSystem::getSamplingRate(output, streamType, &afSampleRate); 8839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 8849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getSamplingRate(output=%d, streamType=%d) status %d", output, streamType, 8859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status); 886e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 887e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 888e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 8899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = AudioSystem::getFrameCount(output, streamType, &afFrameCount); 8909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 8919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, streamType, status); 892e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 893e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 894e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 895d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 896d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 897bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten ALOGV("afFrameCount=%d, minBufCount=%d, afSampleRate=%u, afLatency=%d", 898bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 899bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten if (minBufCount <= 2) { 900bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten minBufCount = sampleRate == afSampleRate ? 2 : 3; 9017c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 902d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 903e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 904e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 9053acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 9063acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 907d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 908e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 909e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 910e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 911e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Make sure that application is notified with sufficient margin 912e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // before underrun 9139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/2) { 914e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = frameCount/2; 915d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 916e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount < minFrameCount) { 917e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 918e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 919e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 920e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 921e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 922e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 923e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 924e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 925d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 926d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 927a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 928a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 929a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 930a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 9313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 9323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 9330ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 9344a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 9353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 9363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 9373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 9384a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 9394a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 940b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 941b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 942b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 943b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 9448d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 94534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 94660a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 94760a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? 94860a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : format, 949a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 95034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 951e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 95234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 95334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 9543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 955be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 956d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten mName, 95734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 95834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 95934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 96029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 96134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 96234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 963d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 964d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 96529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 96634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 96734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 9689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 9699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 9709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 9719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 97234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 973d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 974d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); 975d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 976b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten size_t temp = cblk->frameCount_; 977b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 978b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 979b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 980b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 981b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 982b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 983b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 984a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 9853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 986e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 987b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", frameCount); 988a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 9899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 9909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // double-buffering is not required for fast tracks, due to tighter scheduling 9919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount) { 9929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = frameCount; 9939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 996b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 997093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 998093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 999093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 10009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 10019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/2) { 10029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = frameCount/2; 10039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1005e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10063acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1007b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1008b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1009b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1010b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1011b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1012b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 1013b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mFlags = flags; 1014b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NO_INIT; 1015b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1016b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1017b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 10189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 10199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 10219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 10229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 10239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 10249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 102534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 10269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 102734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 10289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = sharedBuffer->pointer(); 102934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 103034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 10312beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1032e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1033b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mLatency = afLatency + (1000*frameCount) / sampleRate; 1034b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1035093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1036093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1037b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1038b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1039093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1040e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1041e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 10429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 10439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 10449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 10459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 10469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 10479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 10489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1049e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | 1050e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten uint16_t(mVolume[LEFT] * 0x1000)); 1051e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1052e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 10539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 10549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 10559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 10579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->linkToDeath(mDeathNotifier, this); 1058e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 105934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 106034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 106134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 106289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 106389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 10659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 10669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 10689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 10699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 10709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 10719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 10729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 10759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 10769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 10779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 10789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 10799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 10809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 10819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 10829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 10839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 10849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 10859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 10869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 10879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 10889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 10909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 10919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 10939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 10949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 10959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 10969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 10979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1098e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 10999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 11009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 110189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 11039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 110489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 11069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 11079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 11089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 11099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 111089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 11129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 11149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 11159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 11169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 11179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 11189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 11199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 11209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1121b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1122b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1123b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 11249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 112589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 112689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1129c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 11319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 11329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 11339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1134b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1135b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1136b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1137b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1138b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1139b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1140b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1141b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 11429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 11439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 11449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 114589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 114689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1148c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 11509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 11519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 115289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 115489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 11569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 11579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 11589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 11599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 116089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 116289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 116389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 116489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 116589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 11679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 11689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 11719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 11729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 11739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 11769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 11779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1178e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 11791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 11809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 11819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 11829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 11849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 11859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 118696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1187d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten ALOGW("releaseBuffer() track %p name=%s disabled due to previous underrun, restarting", 1188d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten this, mName.string()); 11899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1190df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1191df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1192df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 119389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 119489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 119589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 119689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 119789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 119889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1200d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1201d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 120289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 120499e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 120599e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 12069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", buffer, userSize, userSize); 120789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 120889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 120989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 121189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 121289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 12149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1215c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 121789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 12189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 121989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1220d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 122189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 122289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 122389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 122489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 12250ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 122689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 12279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 12289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 12293302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 123089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 12319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 123289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 123489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 123589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 123689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 12389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 123989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 124189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 124289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 124489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12454ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 12464ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 12474ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12484ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12494ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 12504ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1251d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 12524ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 12534ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1255d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1256d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1257d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1258d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 12599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1260d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 12614ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 12624ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1263c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1264d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 126596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 12664ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 12674ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 126896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 12694ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 12704ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 12714ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12724ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 12734ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 127496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 12759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 12764ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 12784ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1279d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 12804ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 12814ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12824ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 12834ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12844ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12854ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 12864ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 12874ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1288df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1289df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1290df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1291d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1292df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1293df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 129496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 129596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1296df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 12979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1298df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1299df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 13004ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1301df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 13024ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13034ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13044ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 13054ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 13064ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 13074ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 13084ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13094ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13104ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 13114ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastennsecs_t AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 131389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1314fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1315fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1316fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1317fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1318fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 13191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1320a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1321a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1322a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1323a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1324a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1325a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1326a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1327a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1328a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1329a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1330a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1331a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1332a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1333a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1334a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1335a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1336a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1337b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1338b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1339a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 13401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 13429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 134396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1344a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 13459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 13469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1347b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1348b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1349b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1350b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (!isOffloaded() || (mSequence == mObservedSequence)) { 1351b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 1352b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1353b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // Run again immediately, but with a new IAudioTrack 1354b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1355b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 135689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1357c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1358b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 13599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 136089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 13629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 13639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 13649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 13659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 13669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 13679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 13689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 13699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 13709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 13719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 13729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 13739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 13759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 13769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 13779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 13789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 137989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 138089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 13829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 13839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 138489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 13859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 13869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 13879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 13889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 13899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 13909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 13939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 13949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 13959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 13969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 13979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 13989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 13999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 14009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 14039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t loopPeriod = mLoopPeriod; 14049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 14059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t notificationFrames = mNotificationFramesAct; 14069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 14079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 14089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 14099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 14109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1412b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 14139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 14159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 14169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 14179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 14199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1420b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1421b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AutoMutex lock(mLock); 1422b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1423b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald sp<AudioTrackClientProxy> proxy = mProxy; 1424b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald sp<IMemory> iMem = mCblkMemory; 1425b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1426b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1427b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1428b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1429b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1430b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1431b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = mProxy->waitStreamEndDone(&timeout); 1432b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.lock(); 1433b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1434b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1435b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1436b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1437b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1438b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 1439b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.lock(); 1440b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1441b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 1442b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (status != DEAD_OBJECT) { 1443b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1444b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1445b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1446b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1447b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald default: 1448b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1449b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1450b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1451b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 14529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 14539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 14579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 14589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 14599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 14609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 14629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 14659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 14669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 14689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 14709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 14729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1473b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 14749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 14759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 14769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1477b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1478b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1479b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1480b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 148189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 148289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 14849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 14859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 148689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 148789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 14899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 14909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 14919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 14939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 14959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 14989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 149989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 150089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 15029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 15039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 15049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 15052267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 15062267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 15079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 15099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 15109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 15129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 15139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 15169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 15179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 15189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 151989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 15219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 15229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 15239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 15269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 15279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1530c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 15329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 15339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 15349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 15359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 15379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 15389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 1539b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("obtainBuffer(%u) returned %u = %u + %u err %d", 1540b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 15419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1542b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1543b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 15449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 154589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 15479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 154889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRetryOnPartialBuffer) { 15519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 15549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 15569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1559d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 156089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 156189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 156289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 156389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 15640ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 156589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 156689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 156889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 156989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 15709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenFrames = writtenSize / mFrameSize; 157289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 157389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) writtenSize); 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 15818555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 15828555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 15838555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 15848555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1586d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 158789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15880ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1589511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1590511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 159289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 159389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 15979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 15999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 16019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 160289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 160389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 160489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 16079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 16129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 16139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 16179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 16189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 16199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 16209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 16219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 16239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 16259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 162689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 16289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 16299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 16319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 163289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 163389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 16351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1636b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 1637b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald isOffloaded() ? "Offloaded" : "PCM", from); 16389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 16391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 16401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1641a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1642a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // output parameters in getOutput_l() and createTrack_l() 1643a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1644a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1645b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1646b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1647b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1648b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1649b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // force new output query from audio policy manager; 1650b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = 0; 1651b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald audio_io_handle_t output = getOutput_l(); 1652b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1653a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1654a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1655a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 16569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 16579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = position + mUpdatePeriod; 16589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t bufferPosition = mStaticProxy != NULL ? mStaticProxy->getBufferPosition() : 0; 1659a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = createTrack_l(mStreamType, 1660e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate, 1661a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFormat, 1662b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount, // so that frame count never goes down 1663a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFlags, 1664a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mSharedBuffer, 1665b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald output, 16669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten position /*epoch*/); 1667a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1668a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // continue playback from last known position, but 16709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // don't attempt to restore loop after invalidation; it's difficult and not worthwhile 16719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mStaticProxy != NULL) { 16729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 16739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(bufferPosition, mFrameCount, 0); 16749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME How do we simulate the fact that all frames present in the buffer at the time of 16769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // track destruction have been played? This is critical for SoundPool implementation 16779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This must be broken, and needs to be tested/debugged. 16789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 1679a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 16809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!strcmp(from, "start")) { 1681a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1682a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1683a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1684a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 168596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &mCblk->mFlags); 16861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 16871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 16889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 16899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1690a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 16911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 16921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 16939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 1694b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald //Use of direct and offloaded output streams is ref counted by audio policy manager. 1695b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 1696b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 1697b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::releaseOutput(output); 16989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 16999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 17001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 17031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 17041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1705ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1706ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1707ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 1708ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald if (mAudioTrack != 0) { 1709ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald return mAudioTrack->setParameters(keyValuePairs); 1710ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald } else { 1711ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald return NO_INIT; 1712ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald } 1713ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1714ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1715ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1716ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 1717ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten return INVALID_OPERATION; 1718ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 1719ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 1720ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 1721ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1722b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput) { 1723b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return AudioSystem::getParameters(mOutput, keys); 1724b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1725b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 1726b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1727ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1728ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 172989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 173089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 173189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 173289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 173389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 173489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 173589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 173689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 173785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 173885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 173989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 174085ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, 1741b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 174289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1743e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 174489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 17459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 174689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 174789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 174889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 174989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 175089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 17529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 17539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 17549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 17559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 17569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 17589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who) 17609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 17619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 17629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 17639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 17649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 17659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 17679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 176889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 176989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 177089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 17719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mResumeLatch(false) 17723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 17733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 17743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 17753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 177689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 177789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 177889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 177989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 178089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 17813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 17823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 17833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 17843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 17853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 17863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 17873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 17883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 17899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(this); 17909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 17919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 17929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 17939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_WHENEVER: 17949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sleep(1); 17959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 17969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 17979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten pauseConditional(); 17989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 17999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 18009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 18019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 18029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 18039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec req; 18049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten req.tv_sec = ns / 1000000000LL; 18059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten req.tv_nsec = ns % 1000000000LL; 18069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nanosleep(&req, NULL /*rem*/); 18079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 1808ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 180989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 181089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 18123acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18133acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 18143acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1815f4022f90db5acb680870db8c1150b673cdd211d9Glenn Kasten resume(); 18163acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18173acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18183acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 18193acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18203acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 18229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mResumeLatch = false; 18239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::AudioTrackThread::pauseConditional() 18269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex _l(mMyLock); 18289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mResumeLatch) { 18299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mResumeLatch = false; 18309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 18319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPaused = true; 18329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 18363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 18393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 18409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mResumeLatch = false; 18413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 18429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 18439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mResumeLatch = true; 18443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 18453acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18463acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 184789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1848