AudioTrack.cpp revision 3b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17
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( 5333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int* 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 } 7233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int 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, 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 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{ 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 18085ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1821a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent ALOGV("set() streamType %d frameCount %d flags %04x", streamType, frameCount, flags); 1831a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 1841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1851dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 18629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 191fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 192fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 194ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 1963b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 197e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 198e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 199e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 202ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 204e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 205fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2070d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (channelMask == 0) { 2080d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask = AUDIO_CHANNEL_OUT_STEREO; 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 212fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 21329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid format"); 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 216c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 217e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 218e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 219e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 220e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 221e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 222e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 223c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 224fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 2250ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2263acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2270ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 228c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2291948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 2301948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 2311948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 2321948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 233c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2340d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_output_channel(channelMask)) { 23528b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2380d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 240fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 241fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 242e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 24318868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten flags); 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 245c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 24629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 247c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 25134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 25205632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 253d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 254d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 255be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 2562beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 257093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 2584a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 259be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 260a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 261896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 262a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 263a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 264a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 26534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 2661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 2671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 268e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 26928b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten channelMask, 2701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 2711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 2721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 273291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten output); 274a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 27534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 276a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 277a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->requestExit(); 278a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 279a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 28234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 286e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 28728b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten mChannelMask = channelMask; 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mChannelCount = channelCount; 28983a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten 29083a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten if (audio_is_linear_pcm(format)) { 29183a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 29283a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten mFrameSizeAF = channelCount * sizeof(int16_t); 29383a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten } else { 29483a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten mFrameSize = sizeof(uint8_t); 29583a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten mFrameSizeAF = sizeof(uint8_t); 29683a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten } 29783a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 29989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = false; 3009a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 30189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 30289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3042c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 307cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 3083a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::initCheck() const 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::latency() const 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 324fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenaudio_stream_type_t AudioTrack::streamType() const 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStreamType; 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 329e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kastenaudio_format_t AudioTrack::format() const 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::channelCount() const 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::frameCount() const 34089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 341d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return mCblk->frameCount; 34289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mSharedBuffer; 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3553856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start %p", this); 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 357f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 3591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 360e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 361e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 3621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 3631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3649a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 365cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 3669a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = true; 3671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = cblk->server + mUpdatePeriod; 36833797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent cblk->lock.lock(); 3691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 3701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->waitTimeMs = 0; 3719c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->flags); 3722b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (t != 0) { 3733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->resume(); 3742b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } else { 375879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 376a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 377879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 3782b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3792b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 380d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten ALOGV("start %p before lock cblk %p", this, cblk); 381d3a9ff4b725de612bf0354c035ba8f8564dbc6e8Glenn Kasten status_t status = NO_ERROR; 3829c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 3831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 3843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("mAudioTrack->start()"); 3853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten status = mAudioTrack->start(); 3861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 3871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (status == DEAD_OBJECT) { 3889c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 3896100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3902b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3919c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (cblk->flags & CBLK_INVALID) { 392d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* temp = cblk; 39322eb4e239fbe9103568147d566d7482e480350b8Glenn Kasten status = restoreTrack_l(temp, true /*fromStart*/); 394d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk = temp; 3951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 3961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 3972b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (status != NO_ERROR) { 3983856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start() failed"); 3999a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 40034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (t != 0) { 4013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->pause(); 40234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 403879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 404a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 40534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 40689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 40789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::stop() 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4153856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stop %p", this); 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 417f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4189a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4199a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 4201dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->stop(); 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // would not stop until loopCount reaches 0). 4241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent setLoop_l(0, 0, 0); 4252c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 4262c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // to activate it again 4272c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // will not stop before end of buffer is reached. 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 4311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 4343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->pause(); 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 436879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 437a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4459a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4469a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten return stopped_l(); 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 4531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 4541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 4561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 4571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 4583856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("flush"); 459c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4602c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4612c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4622c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4632c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 464c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 46589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!mActive) { 466cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = true; 46789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->flush(); 46889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 46989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // in AudioTrack::obtainBuffer() 47089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->cv.signal(); 47189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 47289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4763856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("pause"); 477f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4789a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4799a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 480192cbbad773979a6fe3b5a0c223356de4fc3309cEric Laurent mCblk->cv.signal(); 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->pause(); 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 48389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::mute(bool e) 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->mute(e); 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = e; 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::muted() const 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mMuted; 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 496be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 498f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 499be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 500be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 501be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50683d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten mCblk->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 507be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 508be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 511b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 513b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 514be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 515be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5162beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 517be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 5183856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setAuxEffectSendLevel(%f)", level); 51905632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 520be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 521be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 5221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 523be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 524be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 525be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 52605632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mCblk->setSendLevel(level); 527be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 528be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 529be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 530be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 531a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 532be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 533be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 534be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *level = mSendLevel; 535be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 53689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 53789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5383b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5403b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSamplingRate; 54189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5424ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5434ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5444ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5454ff14bae91075eb274eb1c2975982358946e7e63John Grossman 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 547573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 5503b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 553573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mCblk->sampleRate = rate; 554573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 557a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 55889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5594ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5603b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 5614ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5624ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 564573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 56589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 56889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return setLoop_l(loopStart, loopEnd, loopCount); 5711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 5741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 5751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 57989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = UINT_MAX; 58289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = UINT_MAX; 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = 0; 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5884ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5894ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5904ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5914ff14bae91075eb274eb1c2975982358946e7e63John Grossman 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart >= loopEnd || 5939b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent loopEnd - loopStart > cblk->frameCount || 5949b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->server > loopStart) { 59585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, " 59685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "user %d", loopStart, loopEnd, loopCount, cblk->frameCount, cblk->user); 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 59989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6009b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if ((mSharedBuffer != 0) && (loopEnd > cblk->frameCount)) { 60185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, " 60285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "framecount %d", 603d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent loopStart, loopEnd, cblk->frameCount); 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 605c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = loopStart; 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = loopEnd; 60989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = loopCount; 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = loopCount; 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 617a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6202c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 625a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 627a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (marker == NULL) return BAD_VALUE; 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 636a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 64289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 646a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 648a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (updatePeriod == NULL) return BAD_VALUE; 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6574ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) return INVALID_OPERATION; 6584ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6619a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!stopped_l()) return INVALID_OPERATION; 6629a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten 663d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 664d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten Mutex::Autolock _l(cblk->lock); 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 666d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (position > cblk->user) return BAD_VALUE; 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 668d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->server = position; 669d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &cblk->flags); 670c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 67589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 676a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (position == NULL) return BAD_VALUE; 6771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 678cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi *position = mFlushed ? 0 : mCblk->server; 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6879a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!stopped_l()) return INVALID_OPERATION; 688c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 691d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 692864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten cblk->stepUserOut(cblk->frameCount); 69389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 697c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 698c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 6991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return getOutput_l(); 7011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 7051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 706fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten return AudioSystem::getOutput(mStreamType, 70718868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten mCblk->sampleRate, mFormat, mChannelMask, mFlags); 708c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 709c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 710a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenint AudioTrack::getSessionId() const 711be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 712be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return mSessionId; 713be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 714be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 715be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 716be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 7173856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("attachAuxEffect(%d)", effectId); 7182beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 7192beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 7202beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 7212beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 7222beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 723be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 724be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 72589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 72689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 729fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 73034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 731e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 73228b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 73334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int frameCount, 7340ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 73534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 736291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten audio_io_handle_t output) 73734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 73834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 73934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 74034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 741e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 742e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 74334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 74434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 745d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 7461a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent if (AudioSystem::getLatency(output, streamType, &afLatency) != NO_ERROR) { 747d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 748d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 749d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 7504a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 7514a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 7520ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 7534a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 7544a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 7554a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 7564a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 7574a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 7583acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 759093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 7600ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 761093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 7624a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 763e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 7644a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 765d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 766e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 767fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 768e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 769d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 770e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 771d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 772e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 773e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten int afFrameCount; 774e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getFrameCount(output, streamType, &afFrameCount) != NO_ERROR) { 775e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 776e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 777e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 778d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 779e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 780e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (sharedBuffer != 0) { 781e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 782e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Ensure that buffer alignment matches channelCount 783e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten int channelCount = popcount(channelMask); 784e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 785e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten size_t alignment = /* format == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 786e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (channelCount > 1) { 787e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 788e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 789e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 790e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (((uint32_t)sharedBuffer->pointer() & (alignment - 1)) != 0) { 791e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("Invalid buffer alignment: address %p, channelCount %d", 792e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten sharedBuffer->pointer(), channelCount); 793e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 794e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 795e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 796e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 797e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 798e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 799e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 800e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 801e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 802e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 803e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 804e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 8053b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 806e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getSamplingRate(output, streamType, &afSampleRate) != NO_ERROR) { 807e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 808e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 809e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten int afFrameCount; 810e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getFrameCount(output, streamType, &afFrameCount) != NO_ERROR) { 811e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 812e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 813e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 814d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 815d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 816d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (minBufCount < 2) minBufCount = 2; 817d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 818d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 8193b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten ALOGV("minFrameCount: %d, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 8203acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 8213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 822d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 823e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 824e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 825e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 826e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (mNotificationFramesAct == 0) { 827e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = frameCount/2; 828e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 829e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Make sure that application is notified with sufficient margin 830e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // before underrun 831e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (mNotificationFramesAct > (uint32_t)frameCount/2) { 832e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = frameCount/2; 833d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 834e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount < minFrameCount) { 835e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 836e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 837e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 838e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 839e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 840e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 841e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 842e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 843d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 844d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 845a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 846a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 847a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 848a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 8493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 8503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 8510ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 8524a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 8533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 8543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 8553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 8564a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 8574a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 85834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 85934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent streamType, 86034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 86134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent format, 8620d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask, 86334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 864e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 86534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 86634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 8673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 868be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 86934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 87034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 87134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 87229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 87334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 87434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 875d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 876d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 87729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 87834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 87934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 88034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 881d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 882d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); 883d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 8843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 885e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 886d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", cblk->frameCount); 8873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 888d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", cblk->frameCount); 889093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 890093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 891093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 8923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 893e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (sharedBuffer == 0) { 894d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mNotificationFramesAct = cblk->frameCount/2; 895e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 8963acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 89734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 898b929e417853694e37aba1ef4399f188987b709d9Glenn Kasten mBuffers = (char*)cblk + sizeof(audio_track_cblk_t); 89934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 900b929e417853694e37aba1ef4399f188987b709d9Glenn Kasten mBuffers = sharedBuffer->pointer(); 901e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten // Force buffer full condition as data is already present in shared memory 902864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten cblk->stepUserOut(cblk->frameCount); 90334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 90434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 905d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | 90685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten uint16_t(mVolume[LEFT] * 0x1000)); 907d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->setSendLevel(mSendLevel); 9082beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 909d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 910d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->waitTimeMs = 0; 911d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 912e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 913d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mLatency = afLatency + (1000*cblk->frameCount) / sampleRate; 914093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 915093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 916d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (cblk->frameCount > mFrameCount) { 917d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mFrameCount = cblk->frameCount; 918093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 91934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 92034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 92134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 92289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 92389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 9259a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active; 926d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t result = NO_ERROR; 92789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 92889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 9291dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 93089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 93289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 93389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 934864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten uint32_t framesAvail = cblk->framesAvailableOut(); 93589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9369b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.lock(); 9379c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (cblk->flags & CBLK_INVALID) { 9389b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent goto create_new_track; 9399b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent } 9409b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.unlock(); 9419b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent 94289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesAvail == 0) { 94334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 94489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 94589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesAvail == 0) { 94689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 947f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!active)) { 9483856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Not active and NO_MORE_BUFFERS"); 94934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 95189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 952f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!waitCount)) { 95334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 95534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 9569c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 9571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 958a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // this condition is in shared memory, so if IAudioTrack and control block 959a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // are replaced due to mediaserver death or IAudioTrack invalidation then 960a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // cv won't be signalled, but fortunately the timeout will limit the wait 961d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 9621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 9631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 9649a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 9651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return status_t(STOPPED); 9661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 967a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // IAudioTrack may have been re-created while mLock was unlocked 968a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten cblk = mCblk; 9691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 970d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 9711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 9729c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (cblk->flags & CBLK_INVALID) { 973d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent goto create_new_track; 974d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 975f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(result != NO_ERROR)) { 9761dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 97789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 97989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 98089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->user < cblk->loopEnd) { 98185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGW("obtainBuffer timed out (is the CPU pegged?) %p name=%#x user=%08x, " 98285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "server=%08x", this, cblk->mName, cblk->user, cblk->server); 983c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 98489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.unlock(); 9853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten result = mAudioTrack->start(); 9861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 98734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 9889c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 989d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurentcreate_new_track: 990d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* temp = cblk; 99122eb4e239fbe9103568147d566d7482e480350b8Glenn Kasten result = restoreTrack_l(temp, false /*fromStart*/); 992d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk = temp; 9931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 9941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 9955ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("obtainBuffer create Track error %d", result); 9961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 9971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 99834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 99989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 100189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1002c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 100389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 100434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 100589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 100689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 100989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 1010864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten framesAvail = cblk->framesAvailableOut_l(); 101189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 101234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 101389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 101489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 1016c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 101789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesAvail) { 101889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesAvail; 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 102289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 102389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1024a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (framesReq > bufferEnd - u) { 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 102689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1028c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->frameCount = framesReq; 102983a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten audioBuffer->size = framesReq * mFrameSizeAF; 103083a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten audioBuffer->raw = cblk->buffer(mBuffers, mFrameSizeAF, u); 103189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 103289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 103389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 103489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 103589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 103689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1038d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1039864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten cblk->stepUserOut(audioBuffer->frameCount); 1040df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (audioBuffer->frameCount > 0) { 1041df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1042d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (mActive && (cblk->flags & CBLK_DISABLED)) { 1043d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->flags); 1044d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten ALOGW("releaseBuffer() track %p name=%#x disabled, restarting", this, cblk->mName); 1045df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1046df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1047df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 104889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 104989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 105189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 105389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 105489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 10564ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) return INVALID_OPERATION; 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 105999e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 106099e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 106129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 106289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 106389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 106489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 106589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10663856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 106789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1068df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (userSize == 0) { 1069df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return 0; 1070df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1071df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent 10721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 10731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 10741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1075e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1076e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 10771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 10781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1079a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // since mLock is unlocked the IAudioTrack and shared memory may be re-created, 1080a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // so all cblk references might still refer to old shared memory, but that should be benign 1081a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 108289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t written = 0; 108389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 108489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 1085b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kasten size_t frameSz = frameSize(); 108689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 108833797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent audioBuffer.frameCount = userSize/frameSz; 1089c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 109089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 109189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 109289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 109389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 109489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 109589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 109689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 109789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 1099c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11000ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 110189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 110289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size>>1; 1103511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) src, toWrite); 11043302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 110589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 110689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 110789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1108bc0f6b92bba33ca9c2e76f2a520d290f055da6b2Glenn Kasten src += toWrite; 110989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 111089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 111189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 111333797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } while (userSize >= frameSz); 111489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 111689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 111789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 111989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11204ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 11214ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 11224ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11234ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11244ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 11254ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1126d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 11274ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 11284ff14bae91075eb274eb1c2975982358946e7e63John Grossman 1129d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1130d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1131d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1132d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 1133d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 11344ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 11354ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1136c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1137d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1138d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 11394ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 11404ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 1141d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 11424ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11434ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11444ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11454ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 11464ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 1147d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (cblk->flags & CBLK_INVALID) { 1148d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->lock.lock(); 1149d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* temp = cblk; 115022eb4e239fbe9103568147d566d7482e480350b8Glenn Kasten result = restoreTrack_l(temp, false /*fromStart*/); 1151d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk = temp; 1152d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->lock.unlock(); 11534ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11544ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == OK) 11554ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 11564ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11574ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11584ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 11594ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11604ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11614ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 11624ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 11634ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1164df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1165df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1166df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1167d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1168df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1169df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 1170d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mActive && (cblk->flags & CBLK_DISABLED)) { 1171d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->flags); 1172df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 1173df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1174df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 11754ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1176df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 11774ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11784ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11794ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 11804ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 11814ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 11824ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 11834ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11844ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11854ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 11864ff14bae91075eb274eb1c2975982358946e7e63John Grossman 118789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 118889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 118989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 119089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames; 119189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t writtenSize; 119289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 11941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 11951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 1196e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1197e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 11981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 11999a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active = mActive; 12001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 12011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1202a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // since mLock is unlocked the IAudioTrack and shared memory may be re-created, 1203a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // so all cblk references might still refer to old shared memory, but that should be benign 1204a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 120589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage underrun callback 1206864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten if (active && (cblk->framesAvailableOut() == cblk->frameCount)) { 12073856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Underrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags); 12089c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(android_atomic_or(CBLK_UNDERRUN, &cblk->flags) & CBLK_UNDERRUN)) { 120989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 12101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server == cblk->frameCount) { 1211c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 121289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 121389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return false; 121489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 121589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1216c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 121789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage loop end callback 12181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (mLoopCount > cblk->loopCount) { 121989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int loopCount = -1; 122089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount--; 122189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 122289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 122389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 122489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 122589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 122689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 12272c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 12281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server >= mMarkerPosition) { 122989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 12302c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = true; 123189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 123289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 123389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 1235c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mUpdatePeriod > 0) { 12361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (cblk->server >= mNewPosition) { 123789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 123889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 123989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If Shared buffer is used, no data is requested from client. 124389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 124489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = 0; 124589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 124689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = mRemainingFrames; 124789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124999e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // See description of waitCount parameter at declaration of obtainBuffer(). 125099e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // The logic below prevents us from being stuck below at obtainBuffer() 125199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // not being able to handle timed events (position, markers, loops). 12522267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent int32_t waitCount = -1; 12532267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent if (mUpdatePeriod || (!mMarkerReached && mMarkerPosition) || mLoopCount) { 12542267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent waitCount = 1; 12552267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 12562267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 125789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 125889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 125989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 1260c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12612267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent status_t err = obtainBuffer(&audioBuffer, waitCount); 126289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 126389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 126485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGE_IF(err != status_t(NO_MORE_BUFFERS), 126585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "Error obtaining an audio buffer, giving up."); 126689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 126789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 126889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 126989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 127089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 127189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 127289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 127389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 127489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 12750ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 127689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 127789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 127889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 127989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 128089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 128189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize = audioBuffer.size; 128289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 12848555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 12858555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 12868555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 12878555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 12888555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 12898555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 12908555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project break; 12918555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project } 1292df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent 129389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 129489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12950ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1296511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1297511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 129889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize <<= 1; 129989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 130089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 130189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = writtenSize; 1302d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten // NOTE: cblk->frameSize is not equal to AudioTrack::frameSize() for 1303d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten // 8 bit PCM data: in this case, cblk->frameSize is based on a sample size of 1304c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 16 bit. 130583a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten audioBuffer.frameCount = writtenSize / mFrameSizeAF; 1306c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 130789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 130889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 130989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 131089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 131189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (frames); 131289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 131389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 1314d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 131589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 131689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 131789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 131889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 131989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 132089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1321d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten// must be called with mLock and refCblk.lock held. Callers must also hold strong references on 13221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// the IAudioTrack and IMemory in case they are recreated here. 1323d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten// If the IAudioTrack is successfully restored, the refCblk pointer is updated 1324d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten// FIXME Don't depend on caller to hold strong references. 1325d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kastenstatus_t AudioTrack::restoreTrack_l(audio_track_cblk_t*& refCblk, bool fromStart) 13261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 13271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 13281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1329d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = refCblk; 1330d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* newCblk = cblk; 1331a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten ALOGW("dead IAudioTrack, creating a new one from %s TID %d", 1332a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten fromStart ? "start()" : "obtainBuffer()", gettid()); 13331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1334a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // signal old cblk condition so that other threads waiting for available buffers stop 1335a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // waiting now 1336a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten cblk->cv.broadcast(); 1337a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten cblk->lock.unlock(); 13381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1339a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1340a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // output parameters in getOutput_l() and createTrack_l() 1341a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1342a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1343a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1344a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1345a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 1346a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = createTrack_l(mStreamType, 1347a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten cblk->sampleRate, 1348a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFormat, 1349a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mChannelMask, 1350a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFrameCount, 1351a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFlags, 1352a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mSharedBuffer, 1353a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten getOutput_l()); 1354a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1355a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 1356a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten uint32_t user = cblk->user; 1357a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten uint32_t server = cblk->server; 1358a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 1359a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk = mCblk; 1360a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->user = user; 1361a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->server = user; 1362a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->userBase = user; 1363a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->serverBase = user; 1364a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore loop: this is not guaranteed to succeed if new frame count is not 1365a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // compatible with loop length 1366a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten setLoop_l(cblk->loopStart, cblk->loopEnd, cblk->loopCount); 1367a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (!fromStart) { 1368a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 1369a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1370a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1371a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1372a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten uint32_t frames = 0; 1373a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (user > server) { 1374a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten frames = ((user - server) > newCblk->frameCount) ? 1375a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->frameCount : (user - server); 137683a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten memset(mBuffers, 0, frames * mFrameSizeAF); 1377408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent } 1378a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 1379a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten android_atomic_or(CBLK_FORCEREADY, &newCblk->flags); 1380a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // stepUser() clears CBLK_UNDERRUN flag enabling underrun callbacks to 1381a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the client 1382a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->stepUserOut(frames); 13831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1385a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer != 0) { 1386a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->stepUserOut(newCblk->frameCount); 13871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1388a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mActive) { 1389a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 1390a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten ALOGW_IF(result != NO_ERROR, "restoreTrack_l() start() failed status %d", result); 1391a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten } 1392a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (fromStart && result == NO_ERROR) { 1393a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mNewPosition = newCblk->server + mUpdatePeriod; 13941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1396a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten ALOGW_IF(result != NO_ERROR, "restoreTrack_l() failed status %d", result); 13973856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("restoreTrack_l() status %d mActive %d cblk %p, old cblk %p flags %08x old flags %08x", 1398d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten result, mActive, newCblk, cblk, newCblk->flags, cblk->flags); 13991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 14011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // from now on we switch to the newly created cblk 1402d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten refCblk = newCblk; 14031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1404d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten newCblk->lock.lock(); 14051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14065ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() error %d TID %d", result, gettid()); 14071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 14091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 14101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 141189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 141289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 141389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 141489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 141589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 141689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 141789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1418d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 141989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 142085ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 142185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 142289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 142385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, 1424d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mChannelCount, cblk->frameCount); 142589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 14263b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d), muted(%d)\n", 1427d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten (cblk == 0) ? 0 : cblk->sampleRate, mStatus, mMuted); 142889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 142989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 143089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 143189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 143289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 143389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 143489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 143589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 143689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 143789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 14383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true) 14393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14403acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 144389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 144489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 144589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 144689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 144789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14483acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 14493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 14503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 14513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 14523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 14533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 14543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 14553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1456ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten if (!mReceiver.processAudioBuffer(this)) { 1457ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten pause(); 1458ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 1459ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten return true; 146089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 146189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 14633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 14653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1466f4022f90db5acb680870db8c1150b673cdd211d9Glenn Kasten resume(); 14673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14693acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 14703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 14723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 14733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 14763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 14783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 14793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 14803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 14813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 14823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 148489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 148589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 148638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 148789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 148854b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian : lock(Mutex::SHARED), cv(Condition::SHARED), user(0), server(0), 1489b929e417853694e37aba1ef4399f188987b709d9Glenn Kasten userBase(0), serverBase(0), frameCount(0), 149083d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), mVolumeLR(0x10001000), 149105632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel(0), flags(0) 149289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 149389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 149489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1495864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kastenuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount, bool isOut) 149689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1497a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen ALOGV("stepuser %08x %08x %d", user, server, frameCount); 149889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1499a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen uint32_t u = user; 150089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u += frameCount; 150189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 1502864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten if (isOut) { 150389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 150489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 150589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 150689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15079054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten } else if (u > server) { 1508a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen ALOGW("stepUser occurred after track reset"); 15099054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten u = server; 151089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 151189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1512a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen uint32_t fc = this->frameCount; 1513a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (u >= fc) { 1514a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // common case, user didn't just wrap 1515a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (u - fc >= userBase ) { 1516a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen userBase += fc; 1517a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } 1518a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } else if (u >= userBase + fc) { 1519a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // user just wrapped 1520a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen userBase += fc; 152189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 152289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15239054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten user = u; 152489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 152589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 15269c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (flags & CBLK_UNDERRUN) { 15279c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_and(~CBLK_UNDERRUN, &flags); 152833797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } 152989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 153089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u; 153189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 153289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1533864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kastenbool audio_track_cblk_t::stepServer(uint32_t frameCount, bool isOut) 153489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1535a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen ALOGV("stepserver %08x %08x %d", user, server, frameCount); 1536a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen 153738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 15385ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer() could not lock cblk"); 153989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 154089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 154189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15429054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 1543a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen bool flushed = (s == user); 154489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 154589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s += frameCount; 1546864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten if (isOut) { 154789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 154889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we switch to normal obtainBuffer() timeout period 154989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 155034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS - 1; 1551c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 155289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // It is possible that we receive a flush() 155389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // while the mixer is processing a block: in this case, 155489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 155589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we have s > u 1556a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (flushed) { 15575ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer occurred after track reset"); 15589054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten s = user; 155989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 156289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= loopEnd) { 15635ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 156489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = loopStart; 156589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--loopCount == 0) { 156689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd = UINT_MAX; 156789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart = UINT_MAX; 156889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1570a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen 1571a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen uint32_t fc = this->frameCount; 1572a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (s >= fc) { 1573a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // common case, server didn't just wrap 1574a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (s - fc >= serverBase ) { 1575a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen serverBase += fc; 1576a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } 1577a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } else if (s >= serverBase + fc) { 1578a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // server just wrapped 1579a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen serverBase += fc; 158089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 158189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15829054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten server = s; 158389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15849c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(flags & CBLK_INVALID)) { 15851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cv.signal(); 15861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 158789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project lock.unlock(); 158889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 158989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 159089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 159183a0382dc17364567667a4e6135db43f5bd92efcGlenn Kastenvoid* audio_track_cblk_t::buffer(void *buffers, size_t frameSize, uint32_t offset) const 159289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15939054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten return (int8_t *)buffers + (offset - userBase) * frameSize; 159489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 159589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1596864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kastenuint32_t audio_track_cblk_t::framesAvailable(bool isOut) 159789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 159889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 1599864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten return framesAvailable_l(isOut); 160089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 160189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1602864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kastenuint32_t audio_track_cblk_t::framesAvailable_l(bool isOut) 160389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16049054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 16059054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 160689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1607864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten if (isOut) { 160889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 160989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return limit + frameCount - u; 161089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 161189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return frameCount + u - s; 161289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 161389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 161489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1615864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kastenuint32_t audio_track_cblk_t::framesReady(bool isOut) 161689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16179054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 16189054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 161989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1620864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten if (isOut) { 162189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u < loopEnd) { 162289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u - s; 162389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 162438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // do not block on mutex shared with client on AudioFlinger side 162538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 16265ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("framesReady() could not lock cblk"); 162738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return 0; 162838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 162938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent uint32_t frames = UINT_MAX; 163089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount >= 0) { 163138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent frames = (loopEnd - loopStart)*loopCount + u - s; 163289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 163338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent lock.unlock(); 163438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return frames; 163589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 163689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 163789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return s - u; 163889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 163989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 164089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 164138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurentbool audio_track_cblk_t::tryLock() 164238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent{ 164338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // the code below simulates lock-with-timeout 164438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // we MUST do this to protect the AudioFlinger server 164538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // as this lock is shared with the client. 164638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent status_t err; 164738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 164838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 164938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err == -EBUSY) { // just wait a bit 165038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent usleep(1000); 165138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 165238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 165338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err != NO_ERROR) { 165438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // probably, the client just died. 165538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return false; 165638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 165738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return true; 165838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent} 165938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 166089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 166189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 166289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1663