AudioTrack.cpp revision 9f80dd223d83d9bb9077fb6baee056cee4eaf7e5
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> 28fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#define WAIT_PERIOD_MS 10 30511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten 3189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 3333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 3433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 3533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 36e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 37fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 3833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 3933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 40d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 41d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 42d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 4304cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 4404cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten // default to 0 in case of error 4504cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten *frameCount = 0; 4604cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 47e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME merge with similar code in createTrack_l(), except we're missing 48e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // some information here that is available in createTrack_l(): 49e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 50e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 51e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 52e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_output_flags_t flags 533b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 5433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 5533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 5633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 57e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 5833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 5933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 6033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 6233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 6333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 6433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 6633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 6733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minBufCount < 2) { 699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minBufCount = 2; 709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 7233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 73e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten afFrameCount * minBufCount * sampleRate / afSampleRate; 743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("getMinFrameCount=%d: afFrameCount=%d, minBufCount=%d, afSampleRate=%d, afLatency=%d", 753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 7633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 7733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 82879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 834ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 844ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 90fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 92e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 9328b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 950ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 98be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 1009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transfer_type transferType) 101879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1024ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1034ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1060d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 107a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 1089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType); 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 112fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 114e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 11528b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1170ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 120be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 1219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 1229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transfer_type transferType) 123879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1244ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1254ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1280d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 12917a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 1309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType); 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 1413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 1479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack.clear(); 1489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1503a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 155fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 157e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 15828b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 159e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten int frameCountInt, 1600ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 165be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 1669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 1679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transfer_type transferType) 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 1709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 1719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 1729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 1739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 1749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 1759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 1779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 1809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 1819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 1829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 1869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 1879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 1889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 1899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 1939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 1949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 1959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 1999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 2009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 204e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten // FIXME "int" here is legacy and will be replaced by size_t later 205e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (frameCountInt < 0) { 206e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGE("Invalid frame count %d", frameCountInt); 207e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten return BAD_VALUE; 208e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten } 209e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount = frameCountInt; 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 21285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 214e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set() streamType %d frameCount %u flags %04x", streamType, frameCount, flags); 2151a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2181dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 21929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 224fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 225fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 227ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 2293b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 230e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 231e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 232e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 235e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 236ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 238e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 239fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2410d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (channelMask == 0) { 2420d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask = AUDIO_CHANNEL_OUT_STEREO; 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 246fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 2479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid format %d", format); 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 250c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 251e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 252e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 253e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 254e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 255e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 256e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 257c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 258fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 2590ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2610ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 262c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2631948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 2641948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 2651948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 2661948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 267c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2680d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_output_channel(channelMask)) { 26928b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 272a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 2730d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 274a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 276e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (audio_is_linear_pcm(format)) { 277e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 278e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = channelCount * sizeof(int16_t); 279e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 280e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = sizeof(uint8_t); 281e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = sizeof(uint8_t); 282e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 283e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 284fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 285fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 286e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 28718868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten flags); 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 289c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 29029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 291c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 29289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 29389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 29534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 29605632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 297d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 298b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 299d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 301be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 3022beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 303093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 3044a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 305be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 306a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 307896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 308a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 309a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 310a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 31134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 3121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 3131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 314e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 3151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 3161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 3171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 3189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten output, 3199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 0 /*epoch*/); 320a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 32134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 322a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 323a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->requestExit(); 324a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 325a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 331e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 3339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 3359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3372c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 3403a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 3419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 3429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 3439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 3449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 352f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 3549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 3559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 3582b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 3599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 3609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_ACTIVE; 3619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 3629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 3639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 3659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 3669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->flags); 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 3699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 3709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten t->resume(); 3719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 3729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 3739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 3749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 3759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 3789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 3799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 3809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 3819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 3839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 3859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 3869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 3889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 3899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 3909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 3923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->pause(); 39389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 394879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 395a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 39789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME discarding status 4009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 4019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 4039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 4049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 4059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME pause then stop should not be a nop 4069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 4079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 4119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 4129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 4139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 4149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 4159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 4169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 4179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Force flush if a shared buffer is used otherwise audioflinger 4189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // will not stop before end of buffer is reached. 4199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 4209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 4249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 4259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 4269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten t->pause(); 4279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 4299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 4309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4359a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 44089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 4469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4474bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 4489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 4501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 4521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 4539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 454c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4552c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4562c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4572c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4582c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 459c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 4619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 4624bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 46389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 46489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 46689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 467f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 4699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 47089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 4729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 4739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 47489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 476be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 47789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 478f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 479be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 480be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 481be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 4821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 48389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 486e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 487be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 488be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 491b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 493b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 494be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 495be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 4962beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 497be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 49805632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 499be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 500be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 501be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 503be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 504e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 505be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 506be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 507be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 508be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 509a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 510be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 511be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 5129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 513be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 51489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5163b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 51789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5184ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5194ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5204ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5214ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 52389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 524573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 52589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 52689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 527d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) { 528d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 529d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 53089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 532e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 533e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 534e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 535573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 53689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 53789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 538a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5404ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5413b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 5424ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5434ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 545e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 550083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 551083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 552083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 553083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 5559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 5569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 5579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 5589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 5599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 56089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 5649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 5659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 5669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 567c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 5689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 56989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 57089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 5739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME If setting a loop also sets position to start of loop, then 5759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // this is correct. Otherwise it should be removed. 5769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 5779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = loopCount != 0 ? loopEnd - loopStart : 0; 5789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 5799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 58289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 583d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (mCbf == NULL) { 584d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 585d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 5892c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 594a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 596d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 597d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 598d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 59989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 608d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (mCbf == NULL) { 609d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 610d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 619a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 621d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 622d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 623d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 633083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 634d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 635d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 6379c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 6389c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 6399c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 6409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 6429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 6439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 6449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 6459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 6469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 6479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 6489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 649d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 6519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 6529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME Check whether loops and setting position are incompatible in old code. 6539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If we use setLoop for both purposes we lose the capability to set the position while looping. 6549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(position, mFrameCount, 0); 655c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) const 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 661d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 662d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 663d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 6679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 0 : 6689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->getPosition(); 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getBufferPosition(size_t *position) 6749c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 6759c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 6769c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 6779c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 6789c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 6799c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 6809c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 6819c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 6829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 6849c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 6859c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 6869c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 689083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 690083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 691083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 692083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 6931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 6959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 696d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 697d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 6999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME The new code cannot reload while keeping a loop specified. 7019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Need to check how the old code handled this, and whether it's a significant change. 7029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(0, mFrameCount, 0); 70389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 70489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 706c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 707c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 7081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return getOutput_l(); 7101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 7141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 715fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten return AudioSystem::getOutput(mStreamType, 716e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate, mFormat, mChannelMask, mFlags); 717c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 718c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 719be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 720be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 7219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7222beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 7232beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 7242beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 7252beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 7262beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 727be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 728be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 72989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 73089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 733fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 73434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 735e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 736e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 7370ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 73834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 7399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_io_handle_t output, 7409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t epoch) 74134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 74234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 74334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 74434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 745e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 746e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 74734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 74834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 749d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 7509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if ((status = AudioSystem::getLatency(output, streamType, &afLatency)) != NO_ERROR) { 7519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 752d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 753d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 754d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 7554a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 7564a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 7570ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 7584a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 7594a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 7604a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 7614a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 7624a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 7633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 764093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 7650ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 766093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 7674a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 768e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 7694a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 770d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 771e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 772fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 773e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 774d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 775e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 776d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 777e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 778e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 7799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = AudioSystem::getFrameCount(output, streamType, &afFrameCount); 7809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 7819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, streamType, 7829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status); 783e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 784e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 785e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 786d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 787e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 788e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (sharedBuffer != 0) { 789e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 790a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 791e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 792e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten size_t alignment = /* format == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 793a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 794e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 795e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 796e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 797a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (((size_t)sharedBuffer->pointer() & (alignment - 1)) != 0) { 798a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 799a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten sharedBuffer->pointer(), mChannelCount); 800e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 801e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 802e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 803e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 804e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 805e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 806e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 807a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten frameCount = sharedBuffer->size()/mChannelCount/sizeof(int16_t); 808e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 809e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 810e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 811e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 8123b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 8139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = AudioSystem::getSamplingRate(output, streamType, &afSampleRate); 8149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 8159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getSamplingRate(output=%d, streamType=%d) status %d", output, streamType, 8169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status); 817e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 818e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 819e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 8209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = AudioSystem::getFrameCount(output, streamType, &afFrameCount); 8219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 8229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, streamType, status); 823e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 824e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 825e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 826d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 827d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 828bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten ALOGV("afFrameCount=%d, minBufCount=%d, afSampleRate=%u, afLatency=%d", 829bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 830bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten if (minBufCount <= 2) { 831bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten minBufCount = sampleRate == afSampleRate ? 2 : 3; 8327c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 833d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 834e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 835e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 8363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 8373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 838d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 839e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 840e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 841e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 842e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Make sure that application is notified with sufficient margin 843e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // before underrun 8449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/2) { 845e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = frameCount/2; 846d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 847e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount < minFrameCount) { 848e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 849e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 850e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 851e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 852e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 853e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 854e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 855e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 856d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 857d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 858a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 859a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 860a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 861a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 8623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 8633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 8640ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 8654a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 8663acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 8673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 8683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 8694a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 8704a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 8718d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 87234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 87360a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 87460a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? 87560a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : format, 876a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 87734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 878e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 87934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 88034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 8813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 882be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 88334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 88434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 88534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 88629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 88734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 88834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 889d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 890d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 89129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 89234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 89334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 8949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 8959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 8969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 8979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 89834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 899d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 900d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); 901d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 902b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten size_t temp = cblk->frameCount_; 903b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 904b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 905b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 906b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 907b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 908b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 909b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 910a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 9113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 912e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 913b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", frameCount); 914a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 9159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 9169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // double-buffering is not required for fast tracks, due to tighter scheduling 9179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount) { 9189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = frameCount; 9199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 922b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 923093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 924093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 925093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 9269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 9279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/2) { 9289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = frameCount/2; 9299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 931e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 9323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 9339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 9349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 9369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 9379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 9389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 9399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 94034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 9419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 94234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 9439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = sharedBuffer->pointer(); 94434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 94534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 9462beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 947e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 948b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mLatency = afLatency + (1000*frameCount) / sampleRate; 949b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 950093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 951093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 952b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 953b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 954093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 955e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 956e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 9579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 9589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 9599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 9609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 9619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 9629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 9639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 964e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | 965e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten uint16_t(mVolume[LEFT] * 0x1000)); 966e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 967e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 9689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 9699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 9709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 9729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->linkToDeath(mDeathNotifier, this); 973e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 97434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 97534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 97634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 97789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 9809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 9819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 9839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 9849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 9859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 9869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 9879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 9909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 9919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 9929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 9939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 9949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 9959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 9969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 9979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 9989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 9999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 10009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 10019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 10029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 10039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 10059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 10069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 10089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 10099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 10109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 10119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 10129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1013e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 10149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 10159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 101689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 10189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 10219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 10229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 10239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 10249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 10279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 10281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 10299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 10309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 10319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 10329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 10339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 10349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 10359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 10369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 103789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 103889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 10399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1041c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 10429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 10439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 10449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 10459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 10479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 10489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 104989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 105089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1052c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 10539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 10549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 10559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 105689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 105889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 10609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 10619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 10629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 10639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 106489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 10659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 106689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 106789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 106989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 10719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 10729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 10759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 10769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 10779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 10809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 10819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1082e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 10831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 10849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 10859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 10869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 10889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 10899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 10909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->flags) & CBLK_DISABLED) { 10919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("releaseBuffer() track %p name=%#x disabled due to previous underrun, restarting", 10929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten this, cblk->mName); 10939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1094df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1095df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1096df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 109789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 109889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 110089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 110289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1104d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1105d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 110689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 110899e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 110999e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 11109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", buffer, userSize, userSize); 111189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 111289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 111389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 111589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 111689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 11189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1119c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 112189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 11229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 112389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1124d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 112589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 112689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 112789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 11290ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 113089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 11319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 11329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 11333302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 113489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 11359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 113689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 113889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 113989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 114089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 114189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 11429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 114389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 114489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 114589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 114689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 114789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 114889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11494ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 11504ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 11514ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11524ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11534ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 11544ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1155d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 11564ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 11574ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1159d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1160d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1161d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1162d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 11639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1164d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 11654ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 11664ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1167c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1168d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1169d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 11704ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 11714ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 1172d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 11734ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11744ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11754ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11764ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 11774ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 1178d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (cblk->flags & CBLK_INVALID) { 11799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 11804ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 11824ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1183d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 11844ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11854ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11864ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 11874ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11884ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11894ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 11904ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 11914ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1192df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1193df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1194df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1195d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1196df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1197df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 11989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten (mState == STATE_ACTIVE) && (cblk->flags & CBLK_DISABLED)) { 1199d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->flags); 1200df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 12019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1202df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1203df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 12044ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1205df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 12064ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12074ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12084ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 12094ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 12104ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 12114ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 12124ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12134ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12144ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 12154ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastennsecs_t AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 121789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1219a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1220a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1221a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1222a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1223a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1224a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1225a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1226a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1227a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1228a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1229a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1230a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1231a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1232a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1233a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1234a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1235a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1236a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten return true; 1237a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 12381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 12409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 12419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->flags); 1242a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 12439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 12449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 12459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten (void) restoreTrack_l("processAudioBuffer"); 12469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 12479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Run again immediately, but with a new IAudioTrack 12489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 124989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1250c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 125289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 12549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 12559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 12569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 12579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 12589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 12599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 12609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 12619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 12629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 12639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 12649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 12659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 12679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 12689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 12699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 12709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 127189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 127289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 12749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 12759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 127689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 12779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 12789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 12799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 12809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 12819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 12829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 12859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 12869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 12879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 12889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 12899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 12909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 12919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 12929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 12959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t loopPeriod = mLoopPeriod; 12969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 12979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t notificationFrames = mNotificationFramesAct; 12989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 12999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 13009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 13019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 13029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 13049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t sequence = mSequence; 13059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 13079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 13089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 13099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 13119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 13139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 13149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 13159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 13179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 13189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 13199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 13209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 13229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 13239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 13259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 13269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 13289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 13299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 13309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 13319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 13329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 13349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 13359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 133689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 133789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 13399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 13409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 134189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 134289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 13449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 13459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 13469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 13479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 13489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 13509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 13519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 13539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 135489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 135589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 13579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 13589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 13599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 13602267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 13612267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 13629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 13639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 13649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 13659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 13669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 13679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 13689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 13719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 13729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 13739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 137489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 13769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 13779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 13789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 13799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 13809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 13819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 13829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1385c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 13869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 13879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 13889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 13899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 13909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 13919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 13929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 13939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 13949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("obtainBuffer(%u) returned %u = %u + %u", 13959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames, avail, audioBuffer.frameCount, nonContig); 13969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 13979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR) { 13989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 139989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 14019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 140289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRetryOnPartialBuffer) { 14059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 14069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 14079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 14089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 14099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 14109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 14129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1413d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 141489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 141589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 141689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 141789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 14180ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 141989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 142089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 142189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 142389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 14249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 14259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenFrames = writtenSize / mFrameSize; 142689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 14289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 14299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 14309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) writtenSize); 14319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 14329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 14358555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 14368555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 14378555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 14388555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 14399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1440d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 144189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14420ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1443511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1444511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 14459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 144689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 144789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 14499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 14509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 14519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 14529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 14539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 145689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 145789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 145889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 14609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 14619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 14629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 14669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 14679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 14689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 14729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 14739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 14749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 14759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 14769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 14779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 14799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 148089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 14829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 14839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 14859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 148689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 148789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 14891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 14909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("dead IAudioTrack, creating a new one from %s()", from); 14919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 14921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 14931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1494a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1495a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // output parameters in getOutput_l() and createTrack_l() 1496a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1497a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1498a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1499a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1500a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 15029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = position + mUpdatePeriod; 15039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t bufferPosition = mStaticProxy != NULL ? mStaticProxy->getBufferPosition() : 0; 1504a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = createTrack_l(mStreamType, 1505e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate, 1506a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFormat, 1507b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount, // so that frame count never goes down 1508a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFlags, 1509a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mSharedBuffer, 15109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten getOutput_l(), 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten position /*epoch*/); 1512a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1513a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 15149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // continue playback from last known position, but 15159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // don't attempt to restore loop after invalidation; it's difficult and not worthwhile 15169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mStaticProxy != NULL) { 15179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 15189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(bufferPosition, mFrameCount, 0); 15199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME How do we simulate the fact that all frames present in the buffer at the time of 15219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // track destruction have been played? This is critical for SoundPool implementation 15229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This must be broken, and needs to be tested/debugged. 15239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 1524a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 15259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!strcmp(from, "start")) { 1526a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1527a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1528a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1529a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 15309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &mCblk->flags); 15311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 15321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 15339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 15349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1535a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 15361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 15371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 15389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 15399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 15409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 15411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 15421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 15431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 15441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 15451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 154689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 154789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 154889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 154989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 155089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 155189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 155289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 155389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 155485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 155585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 155689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 155785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, 1558b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 155989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1560e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 156189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 156389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 156489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 156589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 156689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 156789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 15709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 15729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who) 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 15819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 15829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 15849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 158589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 158689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 158789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mResumeLatch(false) 15893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 15903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 15913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 15923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 159389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 159489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 159589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 159689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 159789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 15993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 16003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 16013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 16023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 16033acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 16043acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 16053acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(this); 16079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 16099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 16109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_WHENEVER: 16119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sleep(1); 16129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 16139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 16149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten pauseConditional(); 16159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 16179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 16189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 16199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 16209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec req; 16219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten req.tv_sec = ns / 1000000000LL; 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten req.tv_nsec = ns % 1000000000LL; 16239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nanosleep(&req, NULL /*rem*/); 16249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 1625ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 162689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 162789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16283acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 16293acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 16303acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 16313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1632f4022f90db5acb680870db8c1150b673cdd211d9Glenn Kasten resume(); 16333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 16343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 16353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 16363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 16373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 16383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 16399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mResumeLatch = false; 16409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 16419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::AudioTrackThread::pauseConditional() 16439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 16449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex _l(mMyLock); 16459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mResumeLatch) { 16469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mResumeLatch = false; 16479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPaused = true; 16499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 16513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 16523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 16533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 16543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 16553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 16563acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 16579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mResumeLatch = false; 16583acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 16599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mResumeLatch = true; 16613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 16623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 16633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 166489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1665