AudioTrack.cpp revision 86f04663032ddaa25110149d709bbf896ad83b02
199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten/* 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Copyright 2007, The Android Open Source Project 489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** you may not use this file except in compliance with the License. 789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** You may obtain a copy of the License at 889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 1089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 1189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 1289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 1389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** See the License for the specific language governing permissions and 1589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** limitations under the License. 1689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project*/ 1789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project//#define LOG_NDEBUG 0 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LOG_TAG "AudioTrack" 2189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/resource.h> 239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <audio_utils/primitives.h> 249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <binder/IPCThreadState.h> 2589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioTrack.h> 2689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <private/media/AudioTrackShared.h> 281ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kasten#include <media/IAudioFlinger.h> 29fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 30b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_PERIOD_MS 10 31b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_STREAM_END_TIMEOUT_SEC 120 32b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 33511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten 3489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 3633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 3733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 3833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 39e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 40fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 4133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 4233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 43d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 44d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 45d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 4604cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 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; 5466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status_t status; 5566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputSamplingRate(&afSampleRate, streamType); 5666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 5770c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output sample rate for stream type %d; status %d", 5870c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 5966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 6033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 61e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 6266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputFrameCount(&afFrameCount, streamType); 6366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 6470c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output frame count for stream type %d; status %d", 6570c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 6666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 6733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 6966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputLatency(&afLatency, streamType); 7066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 7170c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output latency for stream type %d; status %d", 7270c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 7366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 7433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 7533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 7633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 7733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minBufCount < 2) { 799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minBufCount = 2; 809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 8233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 83e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten afFrameCount * minBufCount * sampleRate / afSampleRate; 8466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten // The formula above should always produce a non-zero value, but return an error 8566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten // in the unlikely event that it does not, as that's part of the API contract. 8666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (*frameCount == 0) { 8766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten ALOGE("AudioTrack::getMinFrameCount failed for streamType %d, sampleRate %d", 8866a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten streamType, sampleRate); 8966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return BAD_VALUE; 9066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten } 913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("getMinFrameCount=%d: afFrameCount=%d, minBufCount=%d, afSampleRate=%d, afLatency=%d", 923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 9333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 9433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 99879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1004ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1014ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 107fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 10889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 109e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 11028b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 1120ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 115be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 1169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 117ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 118462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 119d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 120d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen pid_t pid) 121879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1224ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1234ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1260d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 127a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 128462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 129d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen offloadInfo, uid, pid); 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 133fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 135e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 13628b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1380ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 141be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 1429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 143ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 144462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 145d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 146d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen pid_t pid) 147879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1484ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1494ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1520d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 15317a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 154d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, 155d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen uid, pid); 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 166b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 1673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17153cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 17253cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 174d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen ALOGV("~AudioTrack, releasing session id from %d on behalf of %d", 175d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen IPCThreadState::self()->getCallingPid(), mClientPid); 176d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, mClientPid); 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 181fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 183e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 18428b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 185e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten int frameCountInt, 1860ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 191be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 1929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 193ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 194462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 195d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 196d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen pid_t pid) 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 19886f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %d, " 19986f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten "flags #%x, notificationFrames %d, sessionId %d, transferType %d", 20086f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten streamType, sampleRate, format, channelMask, frameCountInt, flags, notificationFrames, 20186f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten sessionId, transferType); 20286f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 2039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 2049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 2059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 2079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 2089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 2099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 2109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 2119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 2149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 2159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 2169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 2209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 2219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 2239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 2279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 2289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 2299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 2339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 2349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 236dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 2379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 239e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten // FIXME "int" here is legacy and will be replaced by size_t later 240e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (frameCountInt < 0) { 241e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGE("Invalid frame count %d", frameCountInt); 242e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten return BAD_VALUE; 243e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten } 244e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount = frameCountInt; 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 24785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 249e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set() streamType %d frameCount %u flags %04x", streamType, frameCount, flags); 2501a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 25353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 2541dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 25529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 260fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 261fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 263dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten if (uint32_t(streamType) >= AUDIO_STREAM_CNT) { 264dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten ALOGE("Invalid stream type %d", streamType); 265dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten return BAD_VALUE; 266dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 267dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mStreamType = streamType; 268ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 269b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten status_t status; 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 271b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten status = AudioSystem::getOutputSamplingRate(&sampleRate, streamType); 272b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten if (status != NO_ERROR) { 273b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten ALOGE("Could not get output sample rate for stream type %d; status %d", 274b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten streamType, status); 275b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten return status; 276e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 278e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 279ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 281e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 282fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 286fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 287cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 28989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 290dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 291c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2928ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 2938ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 2948ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 2958ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 2968ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 297e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 298e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 299e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 300e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 301e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 302e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 303c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 304b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 305b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 306b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 307b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 308b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 309b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 3100ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 3113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 3120ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 313c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 3141948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 3151948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 3161948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 3171948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 318c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 319a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 3200d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 321a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 323e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (audio_is_linear_pcm(format)) { 324e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 325e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = channelCount * sizeof(int16_t); 326e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 327e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = sizeof(uint8_t); 328e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = sizeof(uint8_t); 329e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 330e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 331b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 332b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 333b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 334b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 335b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 336b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 337b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 338b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 339b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 340b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 34134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 34234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 34305632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 344396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 345b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 346d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 348be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 349d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int callingpid = IPCThreadState::self()->getCallingPid(); 350d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int mypid = getpid(); 351d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (uid == -1 || (callingpid != mypid)) { 352462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 353462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 354462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 355462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 356d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (pid == -1 || (callingpid != mypid)) { 357d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = callingpid; 358d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } else { 359d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = pid; 360d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } 3612beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 362093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 3634a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 364be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 365a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 366896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 367a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 368a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 369a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 37034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 371363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten status = createTrack_l(0 /*epoch*/); 372a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 37334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 374a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 375b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 376b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 377a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 378a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 3792b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten // Use of direct and offloaded output streams is ref counted by audio policy manager. 38038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten#if 0 // FIXME This should no longer be needed 38138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //Use of direct and offloaded output streams is ref counted by audio policy manager. 382b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 383b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 38438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (mOutput != 0) { 38538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten AudioSystem::releaseOutput(mOutput); 38638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = 0; 38738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 38838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten#endif 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 39134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 3939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 3959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3972c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 400d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 4019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 4029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 4039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 4049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 40589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 40689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 40989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 410b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 412f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 413b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 415b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 4169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 4192b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 4209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 421b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 422b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 423b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 424b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 425b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 4279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 4289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 429ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 430ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 431ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 43496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 4379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 438b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 439b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 440b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 441b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 442b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 45489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 4579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 4589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 4619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 4629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 46389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 464b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 465b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 466b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 46789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 468879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 469a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 47089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 47189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 47289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 473b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 4749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 4759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 4779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 4789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 479397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 4809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 48323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 484b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 485b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 486b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 487b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 488b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 4909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 4919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 4929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 4939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 4949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 4959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Force flush if a shared buffer is used otherwise audioflinger 4969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // will not stop before end of buffer is reached. 4979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 4989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 502b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 5049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 50523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 506b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 507b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 5109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 5119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5169a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 5179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 51889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 52189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 5279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5284bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 5299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 5331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 5349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 535c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5362c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 5372c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 5382c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 5392c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 540b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 541c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 54323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 544b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 545b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5474bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 552f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 553b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 554b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 555b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 556b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 557b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 5589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 55989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 564be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 56589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 566f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 567be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 568be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 569be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 57189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 57289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 574e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 575be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 57623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 57759fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 57859fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 579be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 582b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 584b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 585be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 586be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5872beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 588be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 58905632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 590be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 591be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 592be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 594be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 595e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 596be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 597be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 598be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 599be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 600a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 601be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 602be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 6039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 604be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6073b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 609b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mIsTimed || isOffloaded()) { 6104ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 6114ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6124ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 615573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 618d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) { 619d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 620d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 623e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 624e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 625e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 626573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 629a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6314ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 6323b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 6334ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6344ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6366f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 6376f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 6386f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 6396f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 64023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 6416f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (mOutput != 0) { 6426f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 6436f59db12a64f4496866952a251122ccb77a36c6bEric Laurent status_t status = AudioSystem::getSamplingRate(mOutput, mStreamType, &sampleRate); 6446f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 6456f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 6466f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 6476f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 6486f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 649e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 654b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 655083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 656083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 657083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 6599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 6619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 6629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 66489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 6699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 6709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 671c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 6729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 6779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME If setting a loop also sets position to start of loop, then 6799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // this is correct. Otherwise it should be removed. 6809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 6819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = loopCount != 0 ? loopEnd - loopStart : 0; 6829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 6839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 687fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 688b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 689d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 690d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 69189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 69389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6942c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 699a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 70089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 701b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 702b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 703b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 704d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 705d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 706d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 71089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 716fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 717b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 718d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 719d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 72389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 7242b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 72589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 72689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 72789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 728a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 72989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 730b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 731b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 732b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 733d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 734d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 735d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 73689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 73889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 73989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 74189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 74489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 745b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 746d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 747d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 7499c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7509c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7519c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 7549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 7559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 7569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 7579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 7589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 7599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 761d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 7639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME Check whether loops and setting position are incompatible in old code. 7659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If we use setLoop for both purposes we lose the capability to set the position while looping. 7669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(position, mFrameCount, 0); 767c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 76889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 76989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 77089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) const 77289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 773d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 774d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 775d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 77823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 779b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 78089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 781b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput != 0) { 782b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 783b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 784b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 785b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 786b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 787b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 788b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 0 : 789b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->getPosition(); 790b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 79189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 79289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 79389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 794377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 7959c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 7969c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 7979c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 7989c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7999c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 8009c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 8019c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8029c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 8039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 8059c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 8069c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 8079c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 80889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 80989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 810b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 811083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 812083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 813083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 8141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 8159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 8169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 817d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 818d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 8209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 8219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME The new code cannot reload while keeping a loop specified. 8229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Need to check how the old code handled this, and whether it's a significant change. 8239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(0, mFrameCount, 0); 82489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 82589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 82689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 82738e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 828c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 8291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 830b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 8311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 8321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 833be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 834be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 8359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8362beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 8372beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 8382beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 8392beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 8402beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 841be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 842be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 84389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 84489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 846363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kastenstatus_t AudioTrack::createTrack_l(size_t epoch) 84734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 84834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 84934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 85034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 851e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 852e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 85334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 85434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 85538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten audio_io_handle_t output = AudioSystem::getOutput(mStreamType, mSampleRate, mFormat, 85638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mChannelMask, mFlags, mOffloadInfo); 85738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (output == 0) { 85838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten ALOGE("Could not get audio output for stream type %d, sample rate %u, format %#x, " 85938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten "channel mask %#x, flags %#x", 86038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mStreamType, mSampleRate, mFormat, mChannelMask, mFlags); 86138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 86238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 86338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 86438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 86538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 86638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 867ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 868ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 869d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 870363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten status = AudioSystem::getLatency(output, mStreamType, &afLatency); 871ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 8729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 87338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 874d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 875d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 876ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 877363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten status = AudioSystem::getFrameCount(output, mStreamType, &afFrameCount); 878ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 879363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, mStreamType, status); 88038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 881ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 882ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 883ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 884363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten status = AudioSystem::getSamplingRate(output, mStreamType, &afSampleRate); 885ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 886363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten ALOGE("getSamplingRate(output=%d, streamType=%d) status %d", output, mStreamType, status); 88738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 888ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 889ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 8904a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 8914a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 89243bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) && !(( 8934a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 8944a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 895363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 8964a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 89743bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten (mCbf != NULL)) && 89843bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten // matching sample rate 89943bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten (mSampleRate == afSampleRate))) { 9003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 901093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 902363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 9034a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 904e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 9054a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 906ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 907b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 908b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 909ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 2 normal track, no sample rate conversion 910ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 3 normal track, with sample rate conversion 911ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // (pessimistic; some non-1:1 conversion ratios don't actually need triple-buffering) 912ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n > 3 very high latency or very small notification interval; nBuffering is ignored 913363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten const uint32_t nBuffering = (mSampleRate == afSampleRate) ? 2 : 3; 914ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 915d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 916e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 917363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 918363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (!audio_is_linear_pcm(mFormat)) { 919e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 920363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 921e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 922363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 923e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 924e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 925d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 926b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 927b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 928b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 929363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 930e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 931a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 932e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 933363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t alignment = /* mFormat == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 934a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 935e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 936e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 937e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 9381d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 939a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 940363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 94138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 94238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 943e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 944e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 945e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 946e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 947e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 948e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 949363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size()/mChannelCount/sizeof(int16_t); 950e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 951363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (!(mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 952e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 953e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 954e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 955d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 956d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 957bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten ALOGV("afFrameCount=%d, minBufCount=%d, afSampleRate=%u, afLatency=%d", 958bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 959ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (minBufCount <= nBuffering) { 960ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten minBufCount = nBuffering; 9617c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 962d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 963363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t minFrameCount = (afFrameCount*mSampleRate*minBufCount)/afSampleRate; 964e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 9653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 966363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten minFrameCount, afFrameCount, minBufCount, mSampleRate, afSampleRate, afLatency); 967d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 968e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 969e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 970ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } else if (frameCount < minFrameCount) { 971e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 972e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 973e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 974e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 975e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 976ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Make sure that application is notified with sufficient margin before underrun 977ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 978ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 979ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 980e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 981e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 982e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 983d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 984d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 985a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 986a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 987a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 988a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 9893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 9903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 991363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 9924a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 9933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 9943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 9953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 9964a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 9974a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 998363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 999b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1000b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1001b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 100274935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 100374935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1004363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten sp<IAudioTrack> track = audioFlinger->createTrack(mStreamType, 1005363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 100660a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 1007363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFormat == AUDIO_FORMAT_PCM_8_BIT ? 1008363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : mFormat, 1009a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 101074935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1011e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1012363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 101334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 10143acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1015be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1016d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten mName, 1017462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 101834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 101934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 102034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 102129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 102238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 102334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 102438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 102538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 102638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1027d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1028d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 102929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 103034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 103134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 10320cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 10330cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 10340cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 10350cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 10360cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 103753cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 10389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 10399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 10409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 10419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 104234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1043d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 10440cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1045d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 104674935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1047b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1048b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1049b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1050b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 1051b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 1052b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1053b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 1054a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1055363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1056e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 1057b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", frameCount); 1058a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 1059363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1060b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // Theoretically double-buffering is not required for fast tracks, 1061b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // due to tighter scheduling. But in practice, to accommodate kernels with 1062b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // scheduling jitter, and apps with computation jitter, we use double-buffering. 1063b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1064b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 1068b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 1069093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1070363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1071363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1072ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1073ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1076e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1078363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1079b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1080b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1081b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1082b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1083363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 108438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 108538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1086b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1087b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1088b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 108938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 109038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 10919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 10929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 10949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 10959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 10969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 10979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1098363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 10999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 110034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1101363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 110234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 110334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 11042beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1105e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1106363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mLatency = afLatency + (1000*frameCount) / mSampleRate; 1107b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1108093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1109093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1110b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1111b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1112093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1113e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1114e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1115363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 11169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 11179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 11189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 11199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 11209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 11219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1122e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | 1123e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten uint16_t(mVolume[LEFT] * 0x1000)); 1124e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1125e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 11269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 11279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 11289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 11309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->linkToDeath(mDeathNotifier, this); 1131e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 113234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 113338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 113438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 113538e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 113638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten AudioSystem::releaseOutput(output); 113738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 113838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 113938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 114038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 114134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 114234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 114389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 114489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 11469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 11479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 11499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 11509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 11519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 11529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 11539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1156df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 11579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 11589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 11599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 11609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 11619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 11629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 11639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 11649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 11659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 11669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 11679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 11689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 11699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 11719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 11729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 11749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 11759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 11769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 11779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 11789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1179e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 11809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 11819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 118289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 11849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 118589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 11879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 11889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 11899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 11909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 119189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 11939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 11959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 11969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 11979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 11989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 11999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 12009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 12019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1202b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1203b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1204b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 12059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 120689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 120789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1210c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 12129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 12139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 12149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1215b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1216b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1217b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1218b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1219b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1220b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1221b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1222b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 12239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 12249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 12259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 122689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 122789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1229c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 12319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 12329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 123389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 123589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 12379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 12389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 12399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 12409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 124189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 124389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 124489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 124689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 12489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 12529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 12539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 12579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 12589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1259e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 12601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 12619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 12629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 12639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 12659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 12669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 126796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1268d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten ALOGW("releaseBuffer() track %p name=%s disabled due to previous underrun, restarting", 1269d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten this, mName.string()); 12709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1271df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1272df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1273df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 127489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 127589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 127689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 127789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 127889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 127989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1281d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1282d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 128389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 128599e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 128699e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1287377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 128889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 128989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 129089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 129289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 129389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 12959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1296c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 129889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 12999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 130089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1301d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 130289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 130389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 130489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 130589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 13060ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 130789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 13089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 13099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 13103302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 131189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 13129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 131389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 131589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 131689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 131789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 131889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 13199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 132089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 132289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 132389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 132589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13264ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 13274ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 13284ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13294ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13304ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 13314ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1332d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 13334ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 13344ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1336d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1337d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1338d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1339d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 13409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1341d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 13424ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 13434ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1344c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1345d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 134696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 13474ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 13484ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 134996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 13504ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13514ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13524ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13534ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 13544ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 135596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 13569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 13574ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 13594ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1360d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 13614ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13624ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13634ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 13644ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13654ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13664ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 13674ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 13684ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1369df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1370df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1371df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1372d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1373df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1374df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 137596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 137696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1377df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 13789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1379df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1380df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 13814ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1382df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 13834ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13844ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13854ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 13864ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 13874ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 13884ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 13894ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13904ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13914ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 13924ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13937c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 139489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1395fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1396fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1397fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1398fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1399fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 14001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1401a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1402a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1403a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1404a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1405a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1406a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1407a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1408a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1409a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1410a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1411a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1412a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1413a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1414a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1415a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1416a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1417a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1418b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1419b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1420a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 14211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 14239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 142496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1425a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 14269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 14279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1428b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1429b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1430b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 143123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l() || (mSequence == mObservedSequence)) { 1432b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 1433b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1434b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // Run again immediately, but with a new IAudioTrack 1435b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1436b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 143789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1438c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1439b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 14409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 144189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 14439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 14449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 14459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 14469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 14479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 14489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 14499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 14509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 14519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 14529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 14539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 14569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 14579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 14589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 14599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 146089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 146189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 14649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 146589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 14669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 14679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 14689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 14709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 14749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 14759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 14769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 14779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 14799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 14809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 14819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 14849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t loopPeriod = mLoopPeriod; 14859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 14869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t notificationFrames = mNotificationFramesAct; 14879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 14889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 14899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 14909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 14919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1493b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 14989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1501b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1502b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AutoMutex lock(mLock); 1503b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1504b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald sp<AudioTrackClientProxy> proxy = mProxy; 1505b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald sp<IMemory> iMem = mCblkMemory; 1506b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1507b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1508b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1509b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1510b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1511b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1512b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = mProxy->waitStreamEndDone(&timeout); 1513b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.lock(); 1514b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1515b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1516b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1517b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1518b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1519b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 1520b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.lock(); 1521b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1522b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 1523b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (status != DEAD_OBJECT) { 1524b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1525b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1526b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1527b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1528b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald default: 1529b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1530b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1531b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1532b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 15349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 15359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 15389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 15399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 15409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 15419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 15439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 15449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 15469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 15479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 15519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1554b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 15569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 15579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1558b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1559b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1560b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1561b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 156289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 156789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 15709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 15729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 158089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 158189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 15839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 15849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 15862267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 15872267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 15979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 15999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 160089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 16079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1611c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 16129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 16139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 16149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 16159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 16179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 16189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 16199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 1620b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("obtainBuffer(%u) returned %u = %u + %u err %d", 1621b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1623b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1624b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 16259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 162689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 16289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 162989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 163142a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 16329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 16339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 16349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 16359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 16369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 16379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 16399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1640d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 164189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 164289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 164389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 164489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 16450ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 164689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 164789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 164889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 164989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 165089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 16519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 165289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 165389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 16559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 16569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) writtenSize); 16579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 16589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 16618555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 16628555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 16638555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 16648555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 16659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1666d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 166789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16680ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1669511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1670511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 16719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 167289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 167389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 16759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 16769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 16779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 16789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 16799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 16819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 168289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 168389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 168489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 16869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 16879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 16889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 16929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 16939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 16979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 16989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 16999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 17009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 17019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 17029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 17039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 170689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 17089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 17099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 171289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 171389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 17151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1716b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 171723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten isOffloaded_l() ? "Offloaded" : "PCM", from); 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 17191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 17201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1721a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 172238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // output parameters in createTrack_l() 1723a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1724a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 172523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 172623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten // FIXME re-creation of offloaded tracks is not yet implemented 1727b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1728b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1729b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1730a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1731a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1732a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 1733cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1734cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 1735cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent size_t position = mProxy->getPosition() + mProxy->getFramesFilled(); 17369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t bufferPosition = mStaticProxy != NULL ? mStaticProxy->getBufferPosition() : 0; 1737363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten result = createTrack_l(position /*epoch*/); 1738a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1739a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 17409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // continue playback from last known position, but 17419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // don't attempt to restore loop after invalidation; it's difficult and not worthwhile 17429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mStaticProxy != NULL) { 17439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 17449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(bufferPosition, mFrameCount, 0); 17459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME How do we simulate the fact that all frames present in the buffer at the time of 17479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // track destruction have been played? This is critical for SoundPool implementation 17489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This must be broken, and needs to be tested/debugged. 17499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 1750a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 17519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!strcmp(from, "start")) { 1752a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1753a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1754a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1755a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 175696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &mCblk->mFlags); 17571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1761a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 17621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 17652b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten // Use of direct and offloaded output streams is ref counted by audio policy manager. 176638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten#if 0 // FIXME This should no longer be needed 176738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //Use of direct and offloaded output streams is ref counted by audio policy manager. 1768b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 1769b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 177038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (mOutput != 0) { 177138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten AudioSystem::releaseOutput(mOutput); 177238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = 0; 177338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 177438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten#endif 17759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 17769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 17771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 17801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 17811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1782ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1783ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1784ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 178553cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 1786ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1787ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1788ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1789ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 179053cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 1791fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 1792fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1793fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1794fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1795fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 1796fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1797fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1798fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 1799fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (status == NO_ERROR) { 1800fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten timestamp.mPosition += mProxy->getEpoch(); 1801fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1802fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 1803ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 1804ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 1805ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 1806ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 18072c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 18082c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten if (output != 0) { 18092c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 1810b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1811b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 1812b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1813ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1814ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 181523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 181623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 181723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 181823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 181923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 182023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 18217c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 182289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 182389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 182489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 182589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 182689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 182789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 182889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 182985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 183085ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 183189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1832377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 1833b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 183489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1835e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 183689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 18379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 183889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 183989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 184089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 184189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 184289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 18449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 18469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 18479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 18509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18517c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 18529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 18549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 18559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 18569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 18579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 186089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 186189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 186289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 1863598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 1864598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 18653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18663acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 186989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 187089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 187189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 187289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 187389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 18743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 18753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 18773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 18783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 18793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 18803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1881598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 1882598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 1883598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 1884598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 18855a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 18865a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 18875a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 18885a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 18895a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 18905a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18919d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 18925a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 18935a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 18957c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 18969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 18979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 18989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 19005a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 19019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 19029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 19039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 19045a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 19055a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 19065a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 19075a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 19089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 19099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 19105a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 19119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 1912ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 191389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 191489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19153acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 19163acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 19173acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 19183acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1919598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 19203acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 19233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 19243acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 19253acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 19263acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19273acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19283acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 19293acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 19303acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 1931598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 19329d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 19333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 19349d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 19353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 19363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 19373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19395a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 19405a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 19415a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 19425a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 19435a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 19445a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 19455a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 194689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1947