AudioTrack.cpp revision e33054eb968cbf8ccaee1b0ff0301403902deed6
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 <stdint.h> 2389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/types.h> 2489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <limits.h> 2589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sched.h> 2789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/resource.h> 2889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <private/media/AudioTrackShared.h> 3089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioSystem.h> 3289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioTrack.h> 3389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 357562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/Parcel.h> 367562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/IPCThreadState.h> 3789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Timers.h> 3838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent#include <utils/Atomic.h> 3989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin#include <cutils/bitops.h> 41f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten#include <cutils/compiler.h> 42fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 4364760240f931714858a59c1579f07264d7182ba2Dima Zavin#include <system/audio.h> 447394a4f358fa9908a9f0a7c954b65c399f4268e6Dima Zavin#include <system/audio_policy.h> 45fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 46511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten#include <audio_utils/primitives.h> 47511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 4933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 5033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 5133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 5233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 53e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 54fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 5533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 5633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 5704cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten if (frameCount == NULL) return BAD_VALUE; 5804cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 5904cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten // default to 0 in case of error 6004cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten *frameCount = 0; 6104cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 62e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME merge with similar code in createTrack_l(), except we're missing 63e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // some information here that is available in createTrack_l(): 64e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 65e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 66e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 67e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_output_flags_t flags 683b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 6933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 7033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 7133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 72e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 7333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 7433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 7533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 7633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 7733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 7833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 7933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 8033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 8133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 8233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 8333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (minBufCount < 2) minBufCount = 2; 8433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 8533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 86e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten afFrameCount * minBufCount * sampleRate / afSampleRate; 873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("getMinFrameCount=%d: afFrameCount=%d, minBufCount=%d, afSampleRate=%d, afLatency=%d", 883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 8933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 9033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 95879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 964ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 974ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 98a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 103fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 105e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 10628b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 1080ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 111be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 112be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 113879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1144ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1154ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 116a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1180d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 119a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 12017a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId); 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 124fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 126e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 12728b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1290ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 132be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 133be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 134879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1354ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1364ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 137a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1390d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 14017a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 14117a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten sharedBuffer, false /*threadCanCallJava*/, sessionId); 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1463856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 1543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack.clear(); 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1603a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 165fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 167e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 16828b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 169e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten int frameCountInt, 1700ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 175be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 176be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 178e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten // FIXME "int" here is legacy and will be replaced by size_t later 179e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (frameCountInt < 0) { 180e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGE("Invalid frame count %d", frameCountInt); 181e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten return BAD_VALUE; 182e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten } 183e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount = frameCountInt; 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 18685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 188e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set() streamType %d frameCount %u flags %04x", streamType, frameCount, flags); 1891a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 1901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1911dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 19229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 197fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 198fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 200ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 2023b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 203e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 204e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 205e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 208ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 210e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 211fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2130d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (channelMask == 0) { 2140d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask = AUDIO_CHANNEL_OUT_STEREO; 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 218fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 21929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid format"); 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 222c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 223e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 224e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 225e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 226e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 227e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 228e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 229c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 230fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 2310ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2330ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 234c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2351948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 2361948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 2371948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 2381948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 239c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2400d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_output_channel(channelMask)) { 24128b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2440d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 246fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 247fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 248e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 24918868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten flags); 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 251c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 25229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 253c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 25734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 25805632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 259d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 260d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 261be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 2622beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 263093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 2644a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 265be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 266a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 267896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 268a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 269a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 270a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 27134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 2721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 2731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 274e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 27528b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten channelMask, 2761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 2771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 2781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 279291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten output); 280a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 28134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 282a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 283a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->requestExit(); 284a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 285a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 28689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 28789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 28834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 28989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 29089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 292e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 29328b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten mChannelMask = channelMask; 29489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mChannelCount = channelCount; 29583a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten 29683a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten if (audio_is_linear_pcm(format)) { 29783a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 29883a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten mFrameSizeAF = channelCount * sizeof(int16_t); 29983a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten } else { 30083a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten mFrameSize = sizeof(uint8_t); 30183a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten mFrameSizeAF = sizeof(uint8_t); 30283a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten } 30383a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = false; 3069a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3102c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 313cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 3143a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::initCheck() const 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::latency() const 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 330fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenaudio_stream_type_t AudioTrack::streamType() const 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStreamType; 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 335e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kastenaudio_format_t AudioTrack::format() const 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::channelCount() const 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 34289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 34389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 345e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kastensize_t AudioTrack::frameCount() const 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 347d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return mCblk->frameCount; 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mSharedBuffer; 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3613856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start %p", this); 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 363f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 3651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 366e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 367e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 3681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 3691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3709a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 371cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 3729a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = true; 3731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = cblk->server + mUpdatePeriod; 37433797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent cblk->lock.lock(); 3751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 3761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->waitTimeMs = 0; 3779c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->flags); 3782b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (t != 0) { 3793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->resume(); 3802b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } else { 381879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 382a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 383879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 3842b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3852b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 386d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten ALOGV("start %p before lock cblk %p", this, cblk); 387d3a9ff4b725de612bf0354c035ba8f8564dbc6e8Glenn Kasten status_t status = NO_ERROR; 3889c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 3891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 3903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("mAudioTrack->start()"); 3913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten status = mAudioTrack->start(); 3921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 3931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (status == DEAD_OBJECT) { 3949c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 3956100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3962b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3979c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (cblk->flags & CBLK_INVALID) { 398d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* temp = cblk; 39922eb4e239fbe9103568147d566d7482e480350b8Glenn Kasten status = restoreTrack_l(temp, true /*fromStart*/); 400d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk = temp; 4011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 4021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 4032b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (status != NO_ERROR) { 4043856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start() failed"); 4059a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 40634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (t != 0) { 4073acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->pause(); 40834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 409879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 410a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 41134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::stop() 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4213856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stop %p", this); 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 423f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4249a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4259a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 4261dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->stop(); 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // would not stop until loopCount reaches 0). 4301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent setLoop_l(0, 0, 0); 4312c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 4322c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // to activate it again 4332c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // will not stop before end of buffer is reached. 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 4371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 4403acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->pause(); 44189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 442879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 443a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4519a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4529a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten return stopped_l(); 45389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 45689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 4591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 4601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 4621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 4631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 4643856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("flush"); 465c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4662c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4672c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4682c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4692c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 470c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 47189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!mActive) { 472cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = true; 47389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->flush(); 47489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // in AudioTrack::obtainBuffer() 47689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->cv.signal(); 47789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 47889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4823856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("pause"); 483f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4849a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4859a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 486192cbbad773979a6fe3b5a0c223356de4fc3309cEric Laurent mCblk->cv.signal(); 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->pause(); 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::mute(bool e) 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->mute(e); 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = e; 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::muted() const 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 49989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mMuted; 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 502be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 504f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 505be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 506be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 507be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 51189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51283d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten mCblk->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 513be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 514be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 517b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 51889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 519b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 520be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 521be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5222beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 523be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 5243856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setAuxEffectSendLevel(%f)", level); 52505632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 526be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 527be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 5281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 529be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 530be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 531be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 53205632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mCblk->setSendLevel(level); 533be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 534be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 535be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 536be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 537a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 538be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 539be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 540be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *level = mSendLevel; 541be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5443b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5463b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSamplingRate; 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5484ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5494ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5504ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5514ff14bae91075eb274eb1c2975982358946e7e63John Grossman 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 553573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 5563b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 559573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mCblk->sampleRate = rate; 560573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 563a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5654ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5663b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 5674ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5684ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 570573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 57189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return setLoop_l(loopStart, loopEnd, loopCount); 5771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 5801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 5811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 58289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = UINT_MAX; 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = UINT_MAX; 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = 0; 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5944ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5954ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5964ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5974ff14bae91075eb274eb1c2975982358946e7e63John Grossman 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart >= loopEnd || 5999b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent loopEnd - loopStart > cblk->frameCount || 6009b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->server > loopStart) { 60185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, " 60285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "user %d", loopStart, loopEnd, loopCount, cblk->frameCount, cblk->user); 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6069b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if ((mSharedBuffer != 0) && (loopEnd > cblk->frameCount)) { 60785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, " 60885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "framecount %d", 609d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent loopStart, loopEnd, cblk->frameCount); 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 611c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = loopStart; 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = loopEnd; 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = loopCount; 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = loopCount; 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 623a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6262c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 631a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 633a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (marker == NULL) return BAD_VALUE; 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 642a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 64689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 652a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 654a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (updatePeriod == NULL) return BAD_VALUE; 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 65989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6634ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) return INVALID_OPERATION; 6644ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6679a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!stopped_l()) return INVALID_OPERATION; 6689a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten 669d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 670d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten Mutex::Autolock _l(cblk->lock); 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 672d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (position > cblk->user) return BAD_VALUE; 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 674d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->server = position; 675d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &cblk->flags); 676c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 67789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 682a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (position == NULL) return BAD_VALUE; 6831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 684cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi *position = mFlushed ? 0 : mCblk->server; 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6939a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!stopped_l()) return INVALID_OPERATION; 694c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 697d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 698864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten cblk->stepUserOut(cblk->frameCount); 69989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 70189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 703c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 704c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 7051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return getOutput_l(); 7071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 7111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 712fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten return AudioSystem::getOutput(mStreamType, 71318868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten mCblk->sampleRate, mFormat, mChannelMask, mFlags); 714c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 715c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 716a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenint AudioTrack::getSessionId() const 717be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 718be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return mSessionId; 719be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 720be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 721be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 722be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 7233856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("attachAuxEffect(%d)", effectId); 7242beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 7252beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 7262beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 7272beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 7282beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 729be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 730be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 73189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 73289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 735fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 73634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 737e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 73828b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 739e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 7400ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 74134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 742291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten audio_io_handle_t output) 74334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 74434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 74534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 74634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 747e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 748e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 74934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 75034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 751d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 7521a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent if (AudioSystem::getLatency(output, streamType, &afLatency) != NO_ERROR) { 753d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 754d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 755d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 7564a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 7574a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 7580ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 7594a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 7604a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 7614a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 7624a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 7634a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 7643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 765093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 7660ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 767093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 7684a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 769e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 7704a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 771d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 772e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 773fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 774e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 775d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 776e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 777d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 778e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 779e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 780e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getFrameCount(output, streamType, &afFrameCount) != NO_ERROR) { 781e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 782e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 783e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 784d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 785e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 786e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (sharedBuffer != 0) { 787e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 788e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Ensure that buffer alignment matches channelCount 789e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten int channelCount = popcount(channelMask); 790e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 791e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten size_t alignment = /* format == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 792e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (channelCount > 1) { 793e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 794e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 795e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 796e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (((uint32_t)sharedBuffer->pointer() & (alignment - 1)) != 0) { 797e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("Invalid buffer alignment: address %p, channelCount %d", 798e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten sharedBuffer->pointer(), channelCount); 799e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 800e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 801e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 802e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 803e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 804e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 805e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 806e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 807e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 808e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 809e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 810e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 8113b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 812e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getSamplingRate(output, streamType, &afSampleRate) != NO_ERROR) { 813e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 814e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 815e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 816e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getFrameCount(output, streamType, &afFrameCount) != NO_ERROR) { 817e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 818e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 819e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 820d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 821d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 822d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (minBufCount < 2) minBufCount = 2; 823d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 824e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 825e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 8263acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 8273acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 828d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 829e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 830e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 831e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 832e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (mNotificationFramesAct == 0) { 833e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = frameCount/2; 834e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 835e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Make sure that application is notified with sufficient margin 836e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // before underrun 837e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (mNotificationFramesAct > frameCount/2) { 838e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = frameCount/2; 839d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 840e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount < minFrameCount) { 841e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 842e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 843e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 844e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 845e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 846e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 847e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 848e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 849d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 850d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 851a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 852a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 853a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 854a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 8553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 8563acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 8570ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 8584a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 8593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 8603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 8613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 8624a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 8634a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 86434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 86534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent streamType, 86634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 86760a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 86860a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? 86960a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : format, 8700d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask, 87134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 872e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 87334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 87434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 8753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 876be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 87734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 87834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 87934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 88029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 88134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 88234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 883d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 884d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 88529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 88634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 88734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 88834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 889d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 890d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); 891d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 8923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 893e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 894d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", cblk->frameCount); 8953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 896d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", cblk->frameCount); 897093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 898093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 899093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 9003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 901e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (sharedBuffer == 0) { 902d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mNotificationFramesAct = cblk->frameCount/2; 903e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 9043acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 90534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 906b929e417853694e37aba1ef4399f188987b709d9Glenn Kasten mBuffers = (char*)cblk + sizeof(audio_track_cblk_t); 90734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 908b929e417853694e37aba1ef4399f188987b709d9Glenn Kasten mBuffers = sharedBuffer->pointer(); 909e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten // Force buffer full condition as data is already present in shared memory 910864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten cblk->stepUserOut(cblk->frameCount); 91134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 91234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 913d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | 91485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten uint16_t(mVolume[LEFT] * 0x1000)); 915d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->setSendLevel(mSendLevel); 9162beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 917d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 918d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->waitTimeMs = 0; 919d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 920e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 921d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mLatency = afLatency + (1000*cblk->frameCount) / sampleRate; 922093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 923093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 924d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (cblk->frameCount > mFrameCount) { 925d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mFrameCount = cblk->frameCount; 926093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 92734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 92834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 92934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 93089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 93189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 9339a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active; 934d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t result = NO_ERROR; 93589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 93689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 9371dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 93889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 94089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 94189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 942864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten uint32_t framesAvail = cblk->framesAvailableOut(); 94389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9449b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.lock(); 9459c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (cblk->flags & CBLK_INVALID) { 9469b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent goto create_new_track; 9479b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent } 9489b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.unlock(); 9499b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesAvail == 0) { 95134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 95289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 95389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesAvail == 0) { 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 955f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!active)) { 9563856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Not active and NO_MORE_BUFFERS"); 95734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 95889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 95989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 960f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!waitCount)) { 96134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 96289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 96334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 9649c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 9651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 966a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // this condition is in shared memory, so if IAudioTrack and control block 967a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // are replaced due to mediaserver death or IAudioTrack invalidation then 968a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // cv won't be signalled, but fortunately the timeout will limit the wait 969d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 9701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 9711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 9729a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 9731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return status_t(STOPPED); 9741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 975a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // IAudioTrack may have been re-created while mLock was unlocked 976a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten cblk = mCblk; 9771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 978d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 9791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 9809c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (cblk->flags & CBLK_INVALID) { 981d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent goto create_new_track; 982d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 983f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(result != NO_ERROR)) { 9841dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 98589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 98689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 98789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 98889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->user < cblk->loopEnd) { 98985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGW("obtainBuffer timed out (is the CPU pegged?) %p name=%#x user=%08x, " 99085ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "server=%08x", this, cblk->mName, cblk->user, cblk->server); 991c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 99289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.unlock(); 9933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten result = mAudioTrack->start(); 9941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 99534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 9969c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 997d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurentcreate_new_track: 998d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* temp = cblk; 99922eb4e239fbe9103568147d566d7482e480350b8Glenn Kasten result = restoreTrack_l(temp, false /*fromStart*/); 1000d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk = temp; 10011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 10021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 10035ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("obtainBuffer create Track error %d", result); 10041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 10051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 100634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 100789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 100989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1010c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 101189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 101234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 101389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 101489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 101589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 101689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 101789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 1018864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten framesAvail = cblk->framesAvailableOut_l(); 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 102189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 1024c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesAvail) { 102689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesAvail; 102789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 103089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 103189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1032a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (framesReq > bufferEnd - u) { 103389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 103489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 103589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1036c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->frameCount = framesReq; 103783a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten audioBuffer->size = framesReq * mFrameSizeAF; 103883a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten audioBuffer->raw = cblk->buffer(mBuffers, mFrameSizeAF, u); 103989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 104089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 104189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 104289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 104389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 104489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1046d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1047864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten cblk->stepUserOut(audioBuffer->frameCount); 1048df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (audioBuffer->frameCount > 0) { 1049df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1050d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (mActive && (cblk->flags & CBLK_DISABLED)) { 1051d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->flags); 1052d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten ALOGW("releaseBuffer() track %p name=%#x disabled, restarting", this, cblk->mName); 1053df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1054df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1055df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 105689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 105989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 106189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 106289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 10644ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) return INVALID_OPERATION; 106589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 106799e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 106899e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 106929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 107089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 107189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 107289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 107389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10743856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 107589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1076df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (userSize == 0) { 1077df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return 0; 1078df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1079df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent 10801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 10811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 10821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1083e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1084e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 10851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 10861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1087a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // since mLock is unlocked the IAudioTrack and shared memory may be re-created, 1088a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // so all cblk references might still refer to old shared memory, but that should be benign 1089a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 109089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t written = 0; 109189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 109289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 1093b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kasten size_t frameSz = frameSize(); 109489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 109633797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent audioBuffer.frameCount = userSize/frameSz; 1097c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 109889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 109989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 110089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 110189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 110289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 110389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 110489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 110589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 1107c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11080ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 110989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 111089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size>>1; 1111511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) src, toWrite); 11123302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 111389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 111489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 111589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1116bc0f6b92bba33ca9c2e76f2a520d290f055da6b2Glenn Kasten src += toWrite; 111789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 111889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 111989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 112133797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } while (userSize >= frameSz); 112289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 112489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 112589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 112789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11284ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 11294ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 11304ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11314ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11324ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 11334ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1134d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 11354ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 11364ff14bae91075eb274eb1c2975982358946e7e63John Grossman 1137d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1138d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1139d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1140d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 1141d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 11424ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 11434ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1144c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1145d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1146d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 11474ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 11484ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 1149d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 11504ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11514ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11524ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11534ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 11544ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 1155d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (cblk->flags & CBLK_INVALID) { 1156d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->lock.lock(); 1157d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* temp = cblk; 115822eb4e239fbe9103568147d566d7482e480350b8Glenn Kasten result = restoreTrack_l(temp, false /*fromStart*/); 1159d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk = temp; 1160d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->lock.unlock(); 11614ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11624ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == OK) 11634ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 11644ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11654ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11664ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 11674ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11684ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11694ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 11704ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 11714ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1172df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1173df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1174df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1175d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1176df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1177df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 1178d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mActive && (cblk->flags & CBLK_DISABLED)) { 1179d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->flags); 1180df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 1181df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1182df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 11834ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1184df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 11854ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11864ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11874ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 11884ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 11894ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 11904ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 11914ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11924ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11934ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 11944ff14bae91075eb274eb1c2975982358946e7e63John Grossman 119589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 119689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 119789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 119889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames; 119989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t writtenSize; 120089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 12021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 12031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 1204e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1205e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 12061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 12079a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active = mActive; 12081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 12091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1210a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // since mLock is unlocked the IAudioTrack and shared memory may be re-created, 1211a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // so all cblk references might still refer to old shared memory, but that should be benign 1212a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 121389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage underrun callback 1214864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten if (active && (cblk->framesAvailableOut() == cblk->frameCount)) { 12153856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Underrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags); 12169c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(android_atomic_or(CBLK_UNDERRUN, &cblk->flags) & CBLK_UNDERRUN)) { 121789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 12181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server == cblk->frameCount) { 1219c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 122089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 122189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return false; 122289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 122389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1224c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 122589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage loop end callback 12261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (mLoopCount > cblk->loopCount) { 122789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int loopCount = -1; 122889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount--; 122989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 123089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 123289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 123389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 12352c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 12361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server >= mMarkerPosition) { 123789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 12382c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = true; 123989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 1243c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mUpdatePeriod > 0) { 12441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (cblk->server >= mNewPosition) { 124589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 124689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 124789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 125089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If Shared buffer is used, no data is requested from client. 125189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 125289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = 0; 125389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 125489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = mRemainingFrames; 125589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 125689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 125799e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // See description of waitCount parameter at declaration of obtainBuffer(). 125899e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // The logic below prevents us from being stuck below at obtainBuffer() 125999e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // not being able to handle timed events (position, markers, loops). 12602267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent int32_t waitCount = -1; 12612267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent if (mUpdatePeriod || (!mMarkerReached && mMarkerPosition) || mLoopCount) { 12622267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent waitCount = 1; 12632267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 12642267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 126589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 126689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 126789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 1268c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12692267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent status_t err = obtainBuffer(&audioBuffer, waitCount); 127089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 127189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 127285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGE_IF(err != status_t(NO_MORE_BUFFERS), 127385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "Error obtaining an audio buffer, giving up."); 127489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 127589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 127689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 127789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 127889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 127989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 128189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 128289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 12830ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 128489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 128589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 128689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 128889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 128989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize = audioBuffer.size; 129089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 129189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 12928555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 12938555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 12948555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 12958555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 12968555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 12978555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 12988555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project break; 12998555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project } 1300df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent 130189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 130289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13030ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1304511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1305511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 130689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize <<= 1; 130789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 130889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 130989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = writtenSize; 1310d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten // NOTE: cblk->frameSize is not equal to AudioTrack::frameSize() for 1311d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten // 8 bit PCM data: in this case, cblk->frameSize is based on a sample size of 1312c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 16 bit. 131383a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten audioBuffer.frameCount = writtenSize / mFrameSizeAF; 1314c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 131589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 131689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 131789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 131889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 131989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (frames); 132089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 1322d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 132389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 132489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 132589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 132689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 132789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 132889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1329d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten// must be called with mLock and refCblk.lock held. Callers must also hold strong references on 13301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// the IAudioTrack and IMemory in case they are recreated here. 1331d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten// If the IAudioTrack is successfully restored, the refCblk pointer is updated 1332d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten// FIXME Don't depend on caller to hold strong references. 1333d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kastenstatus_t AudioTrack::restoreTrack_l(audio_track_cblk_t*& refCblk, bool fromStart) 13341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 13351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 13361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1337d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = refCblk; 1338d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* newCblk = cblk; 1339a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten ALOGW("dead IAudioTrack, creating a new one from %s TID %d", 1340a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten fromStart ? "start()" : "obtainBuffer()", gettid()); 13411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1342a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // signal old cblk condition so that other threads waiting for available buffers stop 1343a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // waiting now 1344a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten cblk->cv.broadcast(); 1345a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten cblk->lock.unlock(); 13461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1347a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1348a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // output parameters in getOutput_l() and createTrack_l() 1349a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1350a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1351a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1352a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1353a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 1354a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = createTrack_l(mStreamType, 1355a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten cblk->sampleRate, 1356a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFormat, 1357a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mChannelMask, 1358a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFrameCount, 1359a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFlags, 1360a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mSharedBuffer, 1361a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten getOutput_l()); 1362a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1363a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 1364a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten uint32_t user = cblk->user; 1365a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten uint32_t server = cblk->server; 1366a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 1367a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk = mCblk; 1368a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->user = user; 1369a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->server = user; 1370a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->userBase = user; 1371a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->serverBase = user; 1372a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore loop: this is not guaranteed to succeed if new frame count is not 1373a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // compatible with loop length 1374a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten setLoop_l(cblk->loopStart, cblk->loopEnd, cblk->loopCount); 1375a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (!fromStart) { 1376a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 1377a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1378a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1379a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1380a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten uint32_t frames = 0; 1381a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (user > server) { 1382a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten frames = ((user - server) > newCblk->frameCount) ? 1383a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->frameCount : (user - server); 138483a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten memset(mBuffers, 0, frames * mFrameSizeAF); 1385408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent } 1386a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 1387a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten android_atomic_or(CBLK_FORCEREADY, &newCblk->flags); 1388a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // stepUser() clears CBLK_UNDERRUN flag enabling underrun callbacks to 1389a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the client 1390a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->stepUserOut(frames); 13911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1393a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer != 0) { 1394a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->stepUserOut(newCblk->frameCount); 13951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1396a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mActive) { 1397a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 1398a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten ALOGW_IF(result != NO_ERROR, "restoreTrack_l() start() failed status %d", result); 1399a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten } 1400a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (fromStart && result == NO_ERROR) { 1401a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mNewPosition = newCblk->server + mUpdatePeriod; 14021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 14031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1404a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten ALOGW_IF(result != NO_ERROR, "restoreTrack_l() failed status %d", result); 14053856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("restoreTrack_l() status %d mActive %d cblk %p, old cblk %p flags %08x old flags %08x", 1406d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten result, mActive, newCblk, cblk, newCblk->flags, cblk->flags); 14071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 14091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // from now on we switch to the newly created cblk 1410d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten refCblk = newCblk; 14111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1412d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten newCblk->lock.lock(); 14131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14145ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() error %d TID %d", result, gettid()); 14151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 14171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 14181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 141989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 142089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 142189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 142389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 142489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 142589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1426d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 142789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 142885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 142985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 143089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 143185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, 1432d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mChannelCount, cblk->frameCount); 143389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 14343b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d), muted(%d)\n", 1435d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten (cblk == 0) ? 0 : cblk->sampleRate, mStatus, mMuted); 143689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 143789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 143889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 143989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 144089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 144189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 144289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 144389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 144489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 144589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 14463acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true) 14473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14483acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 145189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 145289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 145389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 145489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 145589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14563acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 14573acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 14583acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 14593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 14603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 14613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 14623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 14633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1464ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten if (!mReceiver.processAudioBuffer(this)) { 1465ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten pause(); 1466ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 1467ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten return true; 146889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 146989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 14713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 14733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1474f4022f90db5acb680870db8c1150b673cdd211d9Glenn Kasten resume(); 14753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 14783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 14803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 14813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 14843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 14863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 14873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 14883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 14893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 14903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 149289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 149389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 149438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 149589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 149654b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian : lock(Mutex::SHARED), cv(Condition::SHARED), user(0), server(0), 1497b929e417853694e37aba1ef4399f188987b709d9Glenn Kasten userBase(0), serverBase(0), frameCount(0), 149883d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), mVolumeLR(0x10001000), 149905632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel(0), flags(0) 150089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 150189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 150289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1503864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kastenuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount, bool isOut) 150489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1505a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen ALOGV("stepuser %08x %08x %d", user, server, frameCount); 150689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1507a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen uint32_t u = user; 150889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u += frameCount; 150989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 1510864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten if (isOut) { 151189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 151289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 151389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 151489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15159054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten } else if (u > server) { 1516a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen ALOGW("stepUser occurred after track reset"); 15179054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten u = server; 151889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 151989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1520a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen uint32_t fc = this->frameCount; 1521a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (u >= fc) { 1522a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // common case, user didn't just wrap 1523a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (u - fc >= userBase ) { 1524a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen userBase += fc; 1525a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } 1526a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } else if (u >= userBase + fc) { 1527a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // user just wrapped 1528a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen userBase += fc; 152989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 153089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15319054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten user = u; 153289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 153389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 15349c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (flags & CBLK_UNDERRUN) { 15359c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_and(~CBLK_UNDERRUN, &flags); 153633797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } 153789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 153889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u; 153989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 154089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1541864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kastenbool audio_track_cblk_t::stepServer(uint32_t frameCount, bool isOut) 154289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1543a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen ALOGV("stepserver %08x %08x %d", user, server, frameCount); 1544a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen 154538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 15465ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer() could not lock cblk"); 154789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 154889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 154989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15509054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 1551a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen bool flushed = (s == user); 155289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 155389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s += frameCount; 1554864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten if (isOut) { 155589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 155689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we switch to normal obtainBuffer() timeout period 155789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 155834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS - 1; 1559c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 156089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // It is possible that we receive a flush() 156189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // while the mixer is processing a block: in this case, 156289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 156389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we have s > u 1564a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (flushed) { 15655ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer occurred after track reset"); 15669054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten s = user; 156789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 157089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= loopEnd) { 15715ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 157289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = loopStart; 157389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--loopCount == 0) { 157489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd = UINT_MAX; 157589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart = UINT_MAX; 157689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 157789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1578a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen 1579a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen uint32_t fc = this->frameCount; 1580a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (s >= fc) { 1581a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // common case, server didn't just wrap 1582a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (s - fc >= serverBase ) { 1583a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen serverBase += fc; 1584a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } 1585a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } else if (s >= serverBase + fc) { 1586a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // server just wrapped 1587a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen serverBase += fc; 158889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 158989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15909054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten server = s; 159189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15929c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(flags & CBLK_INVALID)) { 15931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cv.signal(); 15941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 159589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project lock.unlock(); 159689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 159789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 159889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 159983a0382dc17364567667a4e6135db43f5bd92efcGlenn Kastenvoid* audio_track_cblk_t::buffer(void *buffers, size_t frameSize, uint32_t offset) const 160089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16019054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten return (int8_t *)buffers + (offset - userBase) * frameSize; 160289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 160389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1604864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kastenuint32_t audio_track_cblk_t::framesAvailable(bool isOut) 160589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 160689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 1607864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten return framesAvailable_l(isOut); 160889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 160989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1610864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kastenuint32_t audio_track_cblk_t::framesAvailable_l(bool isOut) 161189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16129054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 16139054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 161489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1615864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten if (isOut) { 161689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 161789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return limit + frameCount - u; 161889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 161989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return frameCount + u - s; 162089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 162189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 162289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1623864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kastenuint32_t audio_track_cblk_t::framesReady(bool isOut) 162489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16259054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 16269054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 162789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1628864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten if (isOut) { 162989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u < loopEnd) { 163089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u - s; 163189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 163238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // do not block on mutex shared with client on AudioFlinger side 163338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 16345ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("framesReady() could not lock cblk"); 163538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return 0; 163638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 163738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent uint32_t frames = UINT_MAX; 163889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount >= 0) { 163938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent frames = (loopEnd - loopStart)*loopCount + u - s; 164089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 164138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent lock.unlock(); 164238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return frames; 164389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 164489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 164589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return s - u; 164689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 164789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 164889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 164938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurentbool audio_track_cblk_t::tryLock() 165038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent{ 165138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // the code below simulates lock-with-timeout 165238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // we MUST do this to protect the AudioFlinger server 165338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // as this lock is shared with the client. 165438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent status_t err; 165538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 165638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 165738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err == -EBUSY) { // just wait a bit 165838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent usleep(1000); 165938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 166038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 166138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err != NO_ERROR) { 166238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // probably, the client just died. 166338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return false; 166438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 166538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return true; 166638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent} 166738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 166889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 166989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 167089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1671