AudioTrack.cpp revision cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0
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 } 15153cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 15253cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1543a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 159fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 161e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 16228b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 163e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten int frameCountInt, 1640ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 169be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 1709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 171ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 172ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald const audio_offload_info_t *offloadInfo) 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 1759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 1769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 1779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 1789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 1799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 1809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 1829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 1859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 1869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 1879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 1919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 1929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 1939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 1949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 1989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 1999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 2009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 2049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 2059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 209e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten // FIXME "int" here is legacy and will be replaced by size_t later 210e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (frameCountInt < 0) { 211e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGE("Invalid frame count %d", frameCountInt); 212e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten return BAD_VALUE; 213e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten } 214e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount = frameCountInt; 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 21785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 219e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set() streamType %d frameCount %u flags %04x", streamType, frameCount, flags); 2201a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 22353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 2241dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 22529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 229b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = 0; 230b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 232fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 233fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 235ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 2373b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 238e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 239e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 240e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 243e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 244ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 246e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 247fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2490d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (channelMask == 0) { 2500d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask = AUDIO_CHANNEL_OUT_STEREO; 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 254fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 2559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid format %d", format); 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 258c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 259e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 260e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 261e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 262e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 263e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 264e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 265c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 266b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 267b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 268b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 269b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 270b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 271b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 2720ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2740ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 275c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2761948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 2771948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 2781948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 2791948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 280c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2810d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_output_channel(channelMask)) { 28228b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 285a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 2860d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 287a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 289e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (audio_is_linear_pcm(format)) { 290e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 291e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = channelCount * sizeof(int16_t); 292e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 293e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = sizeof(uint8_t); 294e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = sizeof(uint8_t); 295e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 296e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 297fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 298fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 299e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 300ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald flags, 301ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald offloadInfo); 30289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 303c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 30429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 305c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 30934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 31005632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 311d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 312b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 313d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 315be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 3162beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 317093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 3184a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 319be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 320a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 321896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 322a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 323a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 324a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 32534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 3261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 3271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 328e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 3291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 3301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 3311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 3329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten output, 3339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 0 /*epoch*/); 334a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 33534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 336a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 337b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 338b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 339a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 340a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 341b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald //Use of direct and offloaded output streams is ref counted by audio policy manager. 342b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 343b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 344b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::releaseOutput(output); 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 350e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 3529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 3549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3562c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 3593a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 3609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 3619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 3629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 363b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = output; 3649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 370b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 37189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 372f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 373b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 3749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 375b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 3769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 3792b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 3809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 381b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 382b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 383b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 384b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 385b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 3869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 3879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 3889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 389ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 390ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 391ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 3939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 39496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 39589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 3979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 398b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 399b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 400b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 401b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 402b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 4179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 4189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 4219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 4229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 424b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 425b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 426b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 428879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 429a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 433b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 4349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 4359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 4379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 4389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 4399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME pause then stop should not be a nop 4409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 4419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 444b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 445b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 446b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 447b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 448b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 449b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 4519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 4529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 4539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 4549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 4559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 4569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Force flush if a shared buffer is used otherwise audioflinger 4579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // will not stop before end of buffer is reached. 4589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 4599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 463b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 4659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 466b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (!isOffloaded()) { 467b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 468b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 4719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 4729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 47389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 47689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4779a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 4889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4894bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 4909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 4921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 4941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 4959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 496c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4972c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4982c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4992c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 5002c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 501b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 502c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 504b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 505b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 506b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5084bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 513f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 514b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 515b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 516b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 517b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 518b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 5199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 52089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 52389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 52489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 525be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 52689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 527f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 528be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 529be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 530be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 53289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 53389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 53489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 535e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 536be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 53759fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent if (isOffloaded()) { 53859fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 53959fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 540be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 54189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 543b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 545b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 546be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 547be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5482beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 549be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 55005632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 551be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 552be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 553be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 555be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 556e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 557be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 558be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 559be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 560be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 561a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 562be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 563be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 5649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 565be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5683b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 56989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 570b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mIsTimed || isOffloaded()) { 5714ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5724ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5734ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 57589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 576573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 579d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) { 580d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 581d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 58289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 584e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 585e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 586e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 587573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 590a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5924ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5933b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 5944ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5954ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 597e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 602b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 603083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 604083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 605083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 6079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 6099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 6109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 6179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 6189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 619c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 6209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 6259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME If setting a loop also sets position to start of loop, then 6279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // this is correct. Otherwise it should be removed. 6289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 6299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = loopCount != 0 ? loopEnd - loopStart : 0; 6309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 6319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 635fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 636b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 637d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 638d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6422c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 647a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 649b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 650b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 651b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 652d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 653d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 654d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 664fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 665b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 666d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 667d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 675a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 67689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 677b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 678b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 679b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 680d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 681d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 682d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 69189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 692b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 693d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 694d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 6969c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 6979c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 6989c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 6999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 7019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 7029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 7039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 7049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 7059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 7069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 708d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 7109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME Check whether loops and setting position are incompatible in old code. 7129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If we use setLoop for both purposes we lose the capability to set the position while looping. 7139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(position, mFrameCount, 0); 714c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 71689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) const 71989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 720d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 721d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 722d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 725b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 726b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 72789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 728b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput != 0) { 729b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 730b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 731b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 732b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 733b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 734b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 735b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 0 : 736b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->getPosition(); 737b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 73889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 73989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getBufferPosition(size_t *position) 7429c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 7439c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 7449c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 7459c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7469c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 7479c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7489c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7499c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 7529c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 7539c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 7549c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 75589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 75689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 757b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 758083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 759083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 760083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 7611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 7639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 764d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 765d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 7679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME The new code cannot reload while keeping a loop specified. 7699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Need to check how the old code handled this, and whether it's a significant change. 7709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(0, mFrameCount, 0); 77189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 77289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 77389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 774c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 775c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 7761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 777b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 7781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 7821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 783b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput) { 784b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 785b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 786b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return AudioSystem::getOutput(mStreamType, 787b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mSampleRate, mFormat, mChannelMask, mFlags); 788b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 789c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 790c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 791be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 792be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 7939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7942beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 7952beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 7962beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 7972beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 7982beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 799be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 800be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 80189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 80289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 8041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 805fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 80634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 807e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 808e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 8090ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 81034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 8119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_io_handle_t output, 8129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t epoch) 81334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 81434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 81534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 81634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 817e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 818e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 81934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 82034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 821ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 822ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 823d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 824ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getLatency(output, streamType, &afLatency); 825ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 8269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 827d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 828d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 829d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 830ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 831ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getFrameCount(output, streamType, &afFrameCount); 832ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 833ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, streamType, status); 834ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten return NO_INIT; 835ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 836ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 837ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 838ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten status = AudioSystem::getSamplingRate(output, streamType, &afSampleRate); 839ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 840ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten ALOGE("getSamplingRate(output=%d, streamType=%d) status %d", output, streamType, status); 841ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten return NO_INIT; 842ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 843ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 8444a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 8454a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 8460ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 8474a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 8484a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 8494a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 8504a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 8514a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 8523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 853093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 8540ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 855093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 8564a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 857e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 8584a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 859ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 860ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 1 fast track; nBuffering is ignored 861ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 2 normal track, no sample rate conversion 862ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 3 normal track, with sample rate conversion 863ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // (pessimistic; some non-1:1 conversion ratios don't actually need triple-buffering) 864ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n > 3 very high latency or very small notification interval; nBuffering is ignored 865ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten const uint32_t nBuffering = (sampleRate == afSampleRate) ? 2 : 3; 866ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 867d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 868e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 869fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 870e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 871d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 872e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 873d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 874e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 875e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 876d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 877b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 878b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 879b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 880e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (sharedBuffer != 0) { 881e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 882a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 883e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 884e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten size_t alignment = /* format == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 885a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 886e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 887e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 888e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 889a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (((size_t)sharedBuffer->pointer() & (alignment - 1)) != 0) { 890a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 891a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten sharedBuffer->pointer(), mChannelCount); 892e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 893e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 894e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 895e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 896e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 897e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 898e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 899a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten frameCount = sharedBuffer->size()/mChannelCount/sizeof(int16_t); 900e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 901e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 902e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 903e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 904e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 905d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 906d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 907bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten ALOGV("afFrameCount=%d, minBufCount=%d, afSampleRate=%u, afLatency=%d", 908bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 909ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (minBufCount <= nBuffering) { 910ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten minBufCount = nBuffering; 9117c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 912d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 913e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 914e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 9153acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 9163acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 917d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 918e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 919e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 920ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } else if (frameCount < minFrameCount) { 921e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 922e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 923e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 924e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 925e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 926ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Make sure that application is notified with sufficient margin before underrun 927ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 928ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 929ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 930e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 931e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 932e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 933d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 934d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 935a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 936a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 937a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 938a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 9393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 9403acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 9410ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 9424a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 9433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 9443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 9453acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 9464a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 9474a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 948b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 949b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 950b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 951b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 9528d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 95334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 95460a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 95560a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? 95660a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : format, 957a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 95834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 959e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 96034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 96134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 9623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 963be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 964d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten mName, 96534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 96634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 96734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 96829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 96934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 97034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 971d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 972d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 97329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 97434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 97534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 97653cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 9779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 9789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 9799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 9809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 98134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 982d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 983d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); 984d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 985b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten size_t temp = cblk->frameCount_; 986b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 987b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 988b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 989b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 990b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 991b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 992b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 993a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 9943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 995e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 996b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", frameCount); 997a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 9989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 9999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // double-buffering is not required for fast tracks, due to tighter scheduling 10009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount) { 10019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = frameCount; 10029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10043acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 1005b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 1006093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1007093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 1008093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 10099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 1010ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1011ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1014e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10153acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1016b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1017b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1018b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1019b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1020b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1021b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 1022b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mFlags = flags; 1023b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NO_INIT; 1024b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1025b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1026b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 10279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 10289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 10309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 10319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 10329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 10339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 103434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 10359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 103634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 10379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = sharedBuffer->pointer(); 103834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 103934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 10402beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1041e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1042b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mLatency = afLatency + (1000*frameCount) / sampleRate; 1043b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1044093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1045093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1046b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1047b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1048093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1049e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1050e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 10519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 10529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 10539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 10549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 10559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 10569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 10579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1058e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | 1059e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten uint16_t(mVolume[LEFT] * 0x1000)); 1060e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1061e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 10629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 10639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 10649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 10669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->linkToDeath(mDeathNotifier, this); 1067e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 106834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 106934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 107034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 107189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 107289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 10749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 10759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 10779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 10789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 10799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 10809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 10819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 10849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 10859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 10869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 10879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 10889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 10899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 10909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 10919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 10929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 10939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 10949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 10959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 10969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 10979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 10999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 11009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 11029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 11039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 11049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 11059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 11069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1107e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 11089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 11099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 111089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 11129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 111389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 11159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 11169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 11179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 11189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 111989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 11219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 11239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 11249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 11259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 11269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 11279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 11289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 11299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1130b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1131b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1132b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 11339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 113489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 113589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1138c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 11409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 11419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 11429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1143b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1144b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1145b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1146b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1147b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1148b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1149b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1150b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 11519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 11529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 11539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 115489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 115589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1157c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 11599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 11609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 116189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 116389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 11659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 11669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 11679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 11689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 116989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 117189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 117289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 117389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 117489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 11769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 11779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 11809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 11819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 11829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 11859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 11869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1187e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 11881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 11899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 11909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 11919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 11939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 11949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 119596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1196d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten ALOGW("releaseBuffer() track %p name=%s disabled due to previous underrun, restarting", 1197d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten this, mName.string()); 11989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1199df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1200df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1201df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 120289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 120389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 120489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 120589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 120689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 120789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1209d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1210d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 121189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 121399e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 121499e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 12159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", buffer, userSize, userSize); 121689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 121789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 121889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 122089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 122189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 12239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1224c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 122689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 12279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 122889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1229d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 123089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 123189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 123289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 12340ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 123589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 12369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 12379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 12383302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 123989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 12409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 124189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 124389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 124489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 124589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 12479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 124889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 125089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 125189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 125289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 125389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12544ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 12554ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 12564ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12574ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12584ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 12594ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1260d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 12614ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 12624ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1264d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1265d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1266d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1267d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 12689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1269d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 12704ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 12714ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1272c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1273d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 127496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 12754ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 12764ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 127796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 12784ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 12794ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 12804ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12814ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 12824ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 128396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 12849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 12854ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 12874ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1288d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 12894ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 12904ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12914ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 12924ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12934ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12944ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 12954ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 12964ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1297df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1298df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1299df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1300d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1301df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1302df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 130396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 130496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1305df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 13069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1307df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1308df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 13094ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1310df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 13114ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13124ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13134ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 13144ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 13154ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 13164ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 13174ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13184ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13194ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 13204ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastennsecs_t AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 132289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1323fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1324fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1325fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1326fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1327fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 13281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1329a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1330a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1331a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1332a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1333a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1334a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1335a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1336a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1337a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1338a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1339a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1340a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1341a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1342a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1343a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1344a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1345a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1346b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1347b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1348a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 13491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 13519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 135296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1353a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 13549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 13559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1356b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1357b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1358b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1359b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (!isOffloaded() || (mSequence == mObservedSequence)) { 1360b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 1361b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1362b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // Run again immediately, but with a new IAudioTrack 1363b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1364b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 136589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1366c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1367b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 13689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 136989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 13719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 13729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 13739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 13749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 13759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 13769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 13779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 13789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 13799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 13809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 13819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 13829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 13849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 13859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 13869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 13879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 138889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 138989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 13919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 13929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 139389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 13949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 13959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 13969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 13979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 13989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 13999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 14029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 14039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 14049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 14059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 14079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 14089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 14099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 14129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t loopPeriod = mLoopPeriod; 14139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 14149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t notificationFrames = mNotificationFramesAct; 14159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 14169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 14179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 14189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 14199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1421b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 14229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 14249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 14259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 14269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 14289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1429b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1430b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AutoMutex lock(mLock); 1431b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1432b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald sp<AudioTrackClientProxy> proxy = mProxy; 1433b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald sp<IMemory> iMem = mCblkMemory; 1434b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1435b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1436b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1437b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1438b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1439b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1440b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = mProxy->waitStreamEndDone(&timeout); 1441b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.lock(); 1442b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1443b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1444b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1445b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1446b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1447b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 1448b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.lock(); 1449b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1450b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 1451b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (status != DEAD_OBJECT) { 1452b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1453b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1454b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1455b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1456b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald default: 1457b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1458b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1459b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1460b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 14619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 14629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 14649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 14669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 14679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 14689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 14729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 14749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 14759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 14779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 14789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 14799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 14809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 14819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1482b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 14839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 14849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 14859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1486b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1487b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1488b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1489b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 149089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 149189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 14939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 149589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 149689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 14989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 14999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 15029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 15049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 15079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 150889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 150989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 15129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 15139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 15142267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 15152267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 15169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 15179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 15189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 15199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 15209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 15219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 15229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 15269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 15279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 152889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 15309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 15319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 15329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 15339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 15349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 15359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1539c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 15419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 15429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 15439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 15449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 15459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 15469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 15479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 1548b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("obtainBuffer(%u) returned %u = %u + %u err %d", 1549b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1551b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1552b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 155489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 15569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 155789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 155942a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 15619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 15639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 15649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 15679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1568d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 156989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 157089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 157189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 157289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 15730ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 157489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 157589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 157689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 157789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 157889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenFrames = writtenSize / mFrameSize; 158189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 158289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 15839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 15849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) writtenSize); 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 15879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 15908555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 15918555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 15928555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 15938555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1595d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 159689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15970ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1598511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1599511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 16009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 160189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 160289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 16079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 16109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 161189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 161389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 16159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 16179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 16219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 16269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 16279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 16289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 16299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 16309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 16319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 16329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 16349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 163589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 16379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 16389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 16409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 164189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 164289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 16441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1645b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 1646b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald isOffloaded() ? "Offloaded" : "PCM", from); 16479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 16481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 16491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1650a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1651a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // output parameters in getOutput_l() and createTrack_l() 1652a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1653a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1654b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1655b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1656b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1657b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1658b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // force new output query from audio policy manager; 1659b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mOutput = 0; 1660b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald audio_io_handle_t output = getOutput_l(); 1661b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1662a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1663a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1664a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 1665cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1666cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 1667cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent size_t position = mProxy->getPosition() + mProxy->getFramesFilled(); 16689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = position + mUpdatePeriod; 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t bufferPosition = mStaticProxy != NULL ? mStaticProxy->getBufferPosition() : 0; 1670a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = createTrack_l(mStreamType, 1671e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate, 1672a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFormat, 1673b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount, // so that frame count never goes down 1674a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFlags, 1675a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mSharedBuffer, 1676b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald output, 16779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten position /*epoch*/); 1678a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1679a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 16809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // continue playback from last known position, but 16819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // don't attempt to restore loop after invalidation; it's difficult and not worthwhile 16829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mStaticProxy != NULL) { 16839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 16849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(bufferPosition, mFrameCount, 0); 16859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME How do we simulate the fact that all frames present in the buffer at the time of 16879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // track destruction have been played? This is critical for SoundPool implementation 16889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This must be broken, and needs to be tested/debugged. 16899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 1690a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 16919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!strcmp(from, "start")) { 1692a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1693a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1694a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1695a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 169696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &mCblk->mFlags); 16971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 16981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 16999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1701a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 17021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 1705b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald //Use of direct and offloaded output streams is ref counted by audio policy manager. 1706b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 1707b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 1708b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::releaseOutput(output); 17099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 17109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 17111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 17141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 17151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1716ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1717ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1718ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 171953cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 1720ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1721ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1722ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1723ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 172453cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 1725fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 1726fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1727fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1728fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1729fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 1730fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1731fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1732fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 1733fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (status == NO_ERROR) { 1734fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten timestamp.mPosition += mProxy->getEpoch(); 1735fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1736fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 1737ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 1738ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 1739ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 1740ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1741b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput) { 1742b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return AudioSystem::getParameters(mOutput, keys); 1743b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1744b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 1745b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1746ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1747ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 174889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 174989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 175089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 175189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 175289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 175389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 175489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 175589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 175685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 175785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 175889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 175985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, 1760b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 176189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1762e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 176389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 17649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 176589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 176689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 176789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 176889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 176989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 17719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 17729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 17739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 17749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 17759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 17779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who) 17799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 17809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 17819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 17829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 17839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 17849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 17869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 178789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 178889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 178989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 17905a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL) 17913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 17923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 17933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 17943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 179589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 179689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 179789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 179889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 179989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 18003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 18013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 18033acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 18043acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 18053acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 18063acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 18075a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 18085a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 18095a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 18105a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 18115a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 18125a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18139d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 18145a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 18155a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18163acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 18179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(this); 18189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 18199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 18209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 18225a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 18239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 18259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 18265a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 18275a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 18285a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 18295a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 18309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 18319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 18325a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 18339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 1834ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 183589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 183689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 18383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 18403acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 18415a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 18425a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPaused || mPausedInt) { 18435a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPaused = false; 18445a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = false; 18455a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.signal(); 18465a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18483acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 18503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 18533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 18563acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18573acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18589d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 18593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 18609d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 18613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 18623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 18633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18655a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 18665a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 18675a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 18685a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 18695a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 18705a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 18715a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 187289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1873