AudioTrack.cpp revision 31dfd1db7a4d2228d9642008af6f3dd744368eb6
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{ 57e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME merge with similar code in createTrack_l(), except we're missing 58e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // some information here that is available in createTrack_l(): 59e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 60e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 61e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 62e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_output_flags_t flags 6333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int afSampleRate; 6433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 6533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 6633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int afFrameCount; 6833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 6933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 7033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 7133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 7233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 7333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 7433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 7533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 7633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 7733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 7833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (minBufCount < 2) minBufCount = 2; 7933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 8033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 81e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten afFrameCount * minBufCount * sampleRate / afSampleRate; 823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("getMinFrameCount=%d: afFrameCount=%d, minBufCount=%d, afSampleRate=%d, afLatency=%d", 833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 8433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 8533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 90879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 914ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 924ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 93a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 98fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 100e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 1010d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelMask, 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 1030ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 106be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 107be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 108879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1094ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1104ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 111a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1130d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 114a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 11517a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId); 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11817a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten// DEPRECATED 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 120c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int streamType, 121c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber uint32_t sampleRate, 122c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int format, 123c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int channelMask, 124c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int frameCount, 125c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber uint32_t flags, 126c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber callback_t cbf, 127c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber void* user, 128c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int notificationFrames, 129c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int sessionId) 130c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber : mStatus(NO_INIT), 13118868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten mIsTimed(false), 132a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(SP_DEFAULT) 133c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber{ 134c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber mStatus = set((audio_stream_type_t)streamType, sampleRate, (audio_format_t)format, channelMask, 1350ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent frameCount, (audio_output_flags_t)flags, cbf, user, notificationFrames, 13617a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId); 137c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber} 138c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 139c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 140fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 142e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 1430d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelMask, 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1450ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 148be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 149be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 150879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1514ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1524ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 153a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1550d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 15617a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 15717a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten sharedBuffer, false /*threadCanCallJava*/, sessionId); 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1623856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 1703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack.clear(); 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1763a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 181fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 183e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 1840d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelMask, 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 1860ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 191be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 192be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1953856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), sharedBuffer->size()); 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1971a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent ALOGV("set() streamType %d frameCount %d flags %04x", streamType, frameCount, flags); 1981a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 1991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2001dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 20129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 206fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 207fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 209ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 211e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten int afSampleRate; 212e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 213e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 214e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 217ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 219e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 220fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2220d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (channelMask == 0) { 2230d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask = AUDIO_CHANNEL_OUT_STEREO; 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 227fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 22829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid format"); 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 231c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 232e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 233e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 234e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 235e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 236e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 237e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 238c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 239fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 2400ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2420ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 243c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2441948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 2451948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 2461948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 2471948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 248c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2490d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_output_channel(channelMask)) { 25029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid channel mask"); 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2530d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 255fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 256fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 257e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 25818868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten flags); 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 260c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 26129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 262c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 26634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 26705632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 268d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 269d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 270be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 2712beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 2724a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 273be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 2743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (cbf != NULL) { 2753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 2763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 2773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 27934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 2801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 2811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 282e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 2830d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi (uint32_t)channelMask, 2841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 2851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 2861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 287291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten output); 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 2903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 2913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); 2923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread.clear(); 2933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 29489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 29589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 29634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 300e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 3010d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mChannelMask = (uint32_t)channelMask; 30289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mChannelCount = channelCount; 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = false; 3059a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3092c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 312cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 313c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mFlags = flags; 3143a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 315cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent mRestoreStatus = NO_ERROR; 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::initCheck() const 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::latency() const 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 331fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenaudio_stream_type_t AudioTrack::streamType() const 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStreamType; 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 336e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kastenaudio_format_t AudioTrack::format() const 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::channelCount() const 34289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 34389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::frameCount() const 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 348d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return mCblk->frameCount; 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 351b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kastensize_t AudioTrack::frameSize() const 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 353fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(mFormat)) { 354671a636931295d9c33ffca74551a804479d01241Eric Laurent return channelCount()*audio_bytes_per_sample(mFormat); 355c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 356c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return sizeof(uint8_t); 357c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mSharedBuffer; 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 370d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t status = NO_ERROR; 37189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3723856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start %p", this); 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 374f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 3761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 377e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 378e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 3791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 3801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3819a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 382cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 3839a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = true; 3841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = cblk->server + mUpdatePeriod; 38533797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent cblk->lock.lock(); 3861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 3871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->waitTimeMs = 0; 38838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_DISABLED_ON, &cblk->flags); 3892b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (t != 0) { 3903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->resume(); 3912b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } else { 392879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 393a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 394879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 3952b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3962b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 3973856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start %p before lock cblk %p", this, mCblk); 3981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 3991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 4003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("mAudioTrack->start()"); 4013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten status = mAudioTrack->start(); 4021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 4031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (status == DEAD_OBJECT) { 40438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_INVALID_ON, &cblk->flags); 4056100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 4062b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 4071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 4081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status = restoreTrack_l(cblk, true); 4091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 4101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 4112b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (status != NO_ERROR) { 4123856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start() failed"); 4139a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 41434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (t != 0) { 4153acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->pause(); 41634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 417879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 418a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 41934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::stop() 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4293856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stop %p", this); 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 431f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4329a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4339a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 4341dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->stop(); 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // would not stop until loopCount reaches 0). 4381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent setLoop_l(0, 0, 0); 4392c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 4402c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // to activate it again 4412c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // will not stop before end of buffer is reached. 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 4451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 4483acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->pause(); 44989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 450879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 451a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 45289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 45889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4599a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4609a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten return stopped_l(); 46189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 46289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 46489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 4671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 4681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 4701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 4711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 4723856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("flush"); 473c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4742c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4752c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4762c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4772c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 478c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!mActive) { 480cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = true; 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->flush(); 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 48389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // in AudioTrack::obtainBuffer() 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->cv.signal(); 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4903856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("pause"); 491f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4929a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4939a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->pause(); 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::mute(bool e) 49989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->mute(e); 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = e; 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::muted() const 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mMuted; 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 509be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 511f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 512be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 513be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 514be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 51789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 51889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51983d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten mCblk->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 520be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 521be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 52289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 52389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 524a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getVolume(float* left, float* right) const 52589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 526be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (left != NULL) { 527be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *left = mVolume[LEFT]; 528be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 529be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (right != NULL) { 530be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *right = mVolume[RIGHT]; 531be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 532be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 533be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5342beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 535be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 5363856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setAuxEffectSendLevel(%f)", level); 53705632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 538be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 539be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 5401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 541be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 542be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 543be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 54405632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mCblk->setSendLevel(level); 545be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 546be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 547be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 548be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 549a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 550be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 551be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 552be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *level = mSendLevel; 553be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 556573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurentstatus_t AudioTrack::setSampleRate(int rate) 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 55889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSamplingRate; 55989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5604ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5614ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5624ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5634ff14bae91075eb274eb1c2975982358946e7e63John Grossman 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 565573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 568573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent if (rate <= 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 56989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 571573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mCblk->sampleRate = rate; 572573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 575a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5774ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5784ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5794ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5804ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 582573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return setLoop_l(loopStart, loopEnd, loopCount); 5891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 5921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 5931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 59989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = UINT_MAX; 60089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = UINT_MAX; 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = 0; 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6064ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 6074ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 6084ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6094ff14bae91075eb274eb1c2975982358946e7e63John Grossman 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart >= loopEnd || 6119b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent loopEnd - loopStart > cblk->frameCount || 6129b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->server > loopStart) { 61329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, user %d", loopStart, loopEnd, loopCount, cblk->frameCount, cblk->user); 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6179b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if ((mSharedBuffer != 0) && (loopEnd > cblk->frameCount)) { 61829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, framecount %d", 619d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent loopStart, loopEnd, cblk->frameCount); 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 621c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = loopStart; 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = loopEnd; 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = loopCount; 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = loopCount; 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 633a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6362c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 641a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 64289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 643a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (marker == NULL) return BAD_VALUE; 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 64689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 652a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 662a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 664a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (updatePeriod == NULL) return BAD_VALUE; 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6734ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) return INVALID_OPERATION; 6744ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 67689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6779a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!stopped_l()) return INVALID_OPERATION; 6789a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten 6799a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten Mutex::Autolock _l(mCblk->lock); 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position > mCblk->user) return BAD_VALUE; 68289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->server = position; 68438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_FORCEREADY_ON, &mCblk->flags); 685c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 691a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (position == NULL) return BAD_VALUE; 6921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 693cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi *position = mFlushed ? 0 : mCblk->server; 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 69989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7029a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!stopped_l()) return INVALID_OPERATION; 703c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 706d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 711c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 712c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 7131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return getOutput_l(); 7151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 7191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 720fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten return AudioSystem::getOutput(mStreamType, 72118868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten mCblk->sampleRate, mFormat, mChannelMask, mFlags); 722c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 723c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 724a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenint AudioTrack::getSessionId() const 725be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 726be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return mSessionId; 727be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 728be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 729be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 730be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 7313856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("attachAuxEffect(%d)", effectId); 7322beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 7332beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 7342beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 7352beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 7362beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 737be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 738be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 73989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 74089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 743fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 74434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 745e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 7460d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelMask, 74734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int frameCount, 7480ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 74934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 750291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten audio_io_handle_t output) 75134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 75234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 75334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 75434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 755e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 756e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 75734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 75834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 759d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 7601a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent if (AudioSystem::getLatency(output, streamType, &afLatency) != NO_ERROR) { 761d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 762d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 763d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 7644a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 7654a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 7660ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 7674a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 7684a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 7694a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 7704a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 7714a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 7723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 7730ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 7744a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 775e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 7764a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 777d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 778e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 779fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 780e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 781d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 782e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 783d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 784e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 785e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten int afFrameCount; 786e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getFrameCount(output, streamType, &afFrameCount) != NO_ERROR) { 787e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 788e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 789e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 790d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 791e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 792e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (sharedBuffer != 0) { 793e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 794e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Ensure that buffer alignment matches channelCount 795e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten int channelCount = popcount(channelMask); 796e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 797e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten size_t alignment = /* format == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 798e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (channelCount > 1) { 799e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 800e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 801e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 802e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (((uint32_t)sharedBuffer->pointer() & (alignment - 1)) != 0) { 803e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("Invalid buffer alignment: address %p, channelCount %d", 804e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten sharedBuffer->pointer(), channelCount); 805e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 806e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 807e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 808e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 809e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 810e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 811e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 812e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 813e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 814e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 815e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 816e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 817e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten int afSampleRate; 818e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getSamplingRate(output, streamType, &afSampleRate) != NO_ERROR) { 819e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 820e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 821e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten int afFrameCount; 822e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getFrameCount(output, streamType, &afFrameCount) != NO_ERROR) { 823e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 824e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 825e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 826d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 827d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 828d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (minBufCount < 2) minBufCount = 2; 829d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 830d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 8313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("minFrameCount: %d, afFrameCount=%d, minBufCount=%d, sampleRate=%d, afSampleRate=%d" 8323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 8333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 834d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 835e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 836e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 837e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 838e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (mNotificationFramesAct == 0) { 839e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = frameCount/2; 840e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 841e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Make sure that application is notified with sufficient margin 842e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // before underrun 843e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (mNotificationFramesAct > (uint32_t)frameCount/2) { 844e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = frameCount/2; 845d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 846e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount < minFrameCount) { 847e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 848e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 849e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 850e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 851e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 852e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 853e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 854e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 855d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 856d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 857a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 858a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 859a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 860a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 8613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 8623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 8630ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 8644a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 8653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 8663acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 8673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 8684a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 8694a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 87034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 87134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent streamType, 87234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 87334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent format, 8740d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask, 87534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 876a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags, 87734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 87834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 8793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 880be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 88134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 88234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 88334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 88429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 88534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 88634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 88734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IMemory> cblk = track->getCblk(); 88834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (cblk == 0) { 88929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 89034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 89134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 89234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 89334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory = cblk; 89434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 8953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // old has the previous value of mCblk->flags before the "or" operation 8963acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten int32_t old = android_atomic_or(CBLK_DIRECTION_OUT, &mCblk->flags); 8973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 8983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (old & CBLK_FAST) { 89931dfd1db7a4d2228d9642008af6f3dd744368eb6Glenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", mCblk->frameCount); 9003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 90131dfd1db7a4d2228d9642008af6f3dd744368eb6Glenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", mCblk->frameCount); 9023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 903e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (sharedBuffer == 0) { 904e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = mCblk->frameCount/2; 905e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 9063acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 90734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 90834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 90934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 91034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = sharedBuffer->pointer(); 911e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten // Force buffer full condition as data is already present in shared memory 912d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 91334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 91434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 91583d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten mCblk->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | uint16_t(mVolume[LEFT] * 0x1000)); 91605632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mCblk->setSendLevel(mSendLevel); 9172beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 9186100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 9196100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->waitTimeMs = 0; 920d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 921e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 922d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mLatency = afLatency + (1000*mCblk->frameCount) / sampleRate; 92334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 92434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 92534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 92689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 92789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 9299a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active; 930d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t result = NO_ERROR; 93189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 93289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 9331dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 93489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 93689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 93789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesAvail = cblk->framesAvailable(); 93989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9409b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.lock(); 9419b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 9429b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent goto create_new_track; 9439b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent } 9449b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.unlock(); 9459b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent 94689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesAvail == 0) { 94734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 94889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 94989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesAvail == 0) { 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 951f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!active)) { 9523856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Not active and NO_MORE_BUFFERS"); 95334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 95589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 956f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!waitCount)) { 95734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 95889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 95934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 960d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 9611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 962d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 9631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 9641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 9659a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 9661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return status_t(STOPPED); 9671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 9681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 969d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 9701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 971d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 972d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent goto create_new_track; 973d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 974f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(result != NO_ERROR)) { 9751dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 97689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 97789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 97989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->user < cblk->loopEnd) { 9805ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW( "obtainBuffer timed out (is the CPU pegged?) %p " 98189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "user=%08x, server=%08x", this, cblk->user, cblk->server); 982c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 98389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.unlock(); 9843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten result = mAudioTrack->start(); 9851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 98634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 98738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_INVALID_ON, &cblk->flags); 988d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurentcreate_new_track: 9891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = restoreTrack_l(cblk, false); 9901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 9911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 9925ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("obtainBuffer create Track error %d", result); 9931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 9941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 99534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 99689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 99789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 99889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 999c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 100089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 100134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 100289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 100389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 100689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 100789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesAvail = cblk->framesAvailable_l(); 100889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 101089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 101189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101244d9848d6656777a18019223e0d35f2fcc67719aEric Laurent // restart track if it was disabled by audioflinger due to previous underrun 10131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (mActive && (cblk->flags & CBLK_DISABLED_MSK)) { 101438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_DISABLED_ON, &cblk->flags); 10155ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("obtainBuffer() track %p disabled, restarting", this); 10163acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrack->start(); 101744d9848d6656777a18019223e0d35f2fcc67719aEric Laurent } 101844d9848d6656777a18019223e0d35f2fcc67719aEric Laurent 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 1020c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 102189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesAvail) { 102289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesAvail; 102389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 102689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 102789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1028a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (framesReq > bufferEnd - u) { 102989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 103089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 103189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1032c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->flags = mMuted ? Buffer::MUTE : 0; 1033c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->channelCount = mChannelCount; 1034c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->frameCount = framesReq; 1035c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->size = framesReq * cblk->frameSize; 1036fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(mFormat)) { 1037fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audioBuffer->format = AUDIO_FORMAT_PCM_16_BIT; 1038c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 1039c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->format = mFormat; 1040c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 1041c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->raw = (int8_t *)cblk->buffer(u); 104289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 104389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 104489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 104589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 104689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 104789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 10491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mCblk->stepUser(audioBuffer->frameCount); 105089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 105189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 105389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 105589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 105689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 10584ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) return INVALID_OPERATION; 105989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 106199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 106299e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 106329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 106489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 106589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 106689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 106789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10683856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 106989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 10711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 10721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1073e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1074e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 10751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 10761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 107789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t written = 0; 107889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 107989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 1080b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kasten size_t frameSz = frameSize(); 108189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 108333797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent audioBuffer.frameCount = userSize/frameSz; 1084c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 108589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 108689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 108789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 108889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 108989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 109089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 109189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 109289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 1094c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 10950ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 109689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 109789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size>>1; 1098511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) src, toWrite); 10993302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 110089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 110189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 110289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project src += toWrite; 110389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 110489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 110589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 110689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 110833797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } while (userSize >= frameSz); 110989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 111189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 111289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 111489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11154ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 11164ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 11174ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11184ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11194ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 11204ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 11214ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 11224ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11234ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 11244ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 11254ff14bae91075eb274eb1c2975982358946e7e63John Grossman // we can attempt to restore in in just a bit. 11264ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (!(mCblk->flags & CBLK_INVALID_MSK)) { 11274ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 11284ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 11294ff14bae91075eb274eb1c2975982358946e7e63John Grossman android_atomic_or(CBLK_INVALID_ON, &mCblk->flags); 11304ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11314ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11324ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11334ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 11344ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 11354ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mCblk->flags & CBLK_INVALID_MSK) { 11364ff14bae91075eb274eb1c2975982358946e7e63John Grossman mCblk->lock.lock(); 11374ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = restoreTrack_l(mCblk, false); 11384ff14bae91075eb274eb1c2975982358946e7e63John Grossman mCblk->lock.unlock(); 11394ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11404ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == OK) 11414ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 11424ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11434ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11444ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 11454ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11464ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11474ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 11484ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 11494ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 11504ff14bae91075eb274eb1c2975982358946e7e63John Grossman // restart track if it was disabled by audioflinger due to previous underrun 11514ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mActive && (mCblk->flags & CBLK_DISABLED_MSK)) { 11524ff14bae91075eb274eb1c2975982358946e7e63John Grossman android_atomic_and(~CBLK_DISABLED_ON, &mCblk->flags); 11534ff14bae91075eb274eb1c2975982358946e7e63John Grossman ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 11543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrack->start(); 11554ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11564ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11574ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->queueTimedBuffer(buffer, pts); 11584ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11594ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11604ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 11614ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 11624ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 11634ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 11644ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11654ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11664ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 11674ff14bae91075eb274eb1c2975982358946e7e63John Grossman 116889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 116989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 117089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 117189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames; 117289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t writtenSize; 117389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 11751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 11761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 1177e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1178e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 11791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 11809a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active = mActive; 11811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 11821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 118389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage underrun callback 11849a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (active && (cblk->framesAvailable() == cblk->frameCount)) { 11853856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Underrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags); 118638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!(android_atomic_or(CBLK_UNDERRUN_ON, &cblk->flags) & CBLK_UNDERRUN_MSK)) { 118789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 11881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server == cblk->frameCount) { 1189c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 119089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 119189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return false; 119289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 119389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1194c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 119589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage loop end callback 11961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (mLoopCount > cblk->loopCount) { 119789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int loopCount = -1; 119889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount--; 119989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 120089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 120189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 120289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 120389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 120489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 12052c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 12061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server >= mMarkerPosition) { 120789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 12082c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = true; 120989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 121089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 121189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 121289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 1213c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mUpdatePeriod > 0) { 12141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (cblk->server >= mNewPosition) { 121589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 121689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 121789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 121889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 121989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 122089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If Shared buffer is used, no data is requested from client. 122189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 122289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = 0; 122389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 122489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = mRemainingFrames; 122589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 122689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 122799e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // See description of waitCount parameter at declaration of obtainBuffer(). 122899e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // The logic below prevents us from being stuck below at obtainBuffer() 122999e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // not being able to handle timed events (position, markers, loops). 12302267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent int32_t waitCount = -1; 12312267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent if (mUpdatePeriod || (!mMarkerReached && mMarkerPosition) || mLoopCount) { 12322267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent waitCount = 1; 12332267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 12342267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 123589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 123689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 1238c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12392267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent status_t err = obtainBuffer(&audioBuffer, waitCount); 124089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 124189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 124229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 124389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 124489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 124689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 124889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 125089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 125189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 12520ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 125389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 125489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 125589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 125689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 125789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 125889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize = audioBuffer.size; 125989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 126089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 12618555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 12628555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 12638555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 12648555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 12658555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 12668555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 12678555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project break; 12688555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project } 126989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 127089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12710ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1272511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1273511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 127489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize <<= 1; 127589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 127689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 127789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = writtenSize; 1278c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // NOTE: mCblk->frameSize is not equal to AudioTrack::frameSize() for 1279b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kasten // 8 bit PCM data: in this case, mCblk->frameSize is based on a sample size of 1280c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 16 bit. 1281c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = writtenSize/mCblk->frameSize; 1282c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 128389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 128489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 128689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 128789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (frames); 128889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 1290d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 129189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 129289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 129389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 129489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 129589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 129689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock and cblk.lock held. Callers must also hold strong references on 12981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// the IAudioTrack and IMemory in case they are recreated here. 12991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// If the IAudioTrack is successfully restored, the cblk pointer is updated 13001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::restoreTrack_l(audio_track_cblk_t*& cblk, bool fromStart) 13011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 13021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 13031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 130438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!(android_atomic_or(CBLK_RESTORING_ON, &cblk->flags) & CBLK_RESTORING_MSK)) { 13055ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioTrack, creating a new one from %s TID %d", 1306e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten fromStart ? "start()" : "obtainBuffer()", gettid()); 13071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // signal old cblk condition so that other threads waiting for available buffers stop 13091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // waiting now 13101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->cv.broadcast(); 13111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 13121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13139f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // refresh the audio configuration cache in this process to make sure we get new 13149f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // output parameters in getOutput_l() and createTrack_l() 13159f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent AudioSystem::clearAudioConfigCache(); 13169f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 13171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // if the new IAudioTrack is created, createTrack_l() will modify the 13181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // following member variables: mAudioTrack, mCblkMemory and mCblk. 13191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // It will also delete the strong references on previous IAudioTrack and IMemory 13201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = createTrack_l(mStreamType, 13211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->sampleRate, 13221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFormat, 13230d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mChannelMask, 13241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFrameCount, 13251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFlags, 13261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mSharedBuffer, 1327291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten getOutput_l()); 13281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 1330408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t user = cblk->user; 1331408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t server = cblk->server; 13329b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // restore write index and set other indexes to reflect empty buffer status 1333408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->user = user; 1334408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->server = user; 1335408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->userBase = user; 1336408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->serverBase = user; 13379b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // restore loop: this is not guaranteed to succeed if new frame count is not 13389b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // compatible with loop length 13399b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent setLoop_l(cblk->loopStart, cblk->loopEnd, cblk->loopCount); 13401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!fromStart) { 13411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mCblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 1342408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // Make sure that a client relying on callback events indicating underrun or 1343408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // the actual amount of audio frames played (e.g SoundPool) receives them. 1344408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent if (mSharedBuffer == 0) { 1345408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t frames = 0; 1346408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent if (user > server) { 1347408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent frames = ((user - server) > mCblk->frameCount) ? 1348408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->frameCount : (user - server); 1349408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent memset(mCblk->buffers, 0, frames * mCblk->frameSize); 1350408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent } 1351408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // restart playback even if buffer is not completely filled. 1352408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent android_atomic_or(CBLK_FORCEREADY_ON, &mCblk->flags); 1353408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // stepUser() clears CBLK_UNDERRUN_ON flag enabling underrun callbacks to 1354408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // the client 1355408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->stepUser(frames); 1356408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent } 13571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13589b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if (mActive) { 13593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten result = mAudioTrack->start(); 13605ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() start() failed status %d", result); 13619b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent } 13621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (fromStart && result == NO_ERROR) { 13631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 13641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 1367cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent android_atomic_and(~CBLK_RESTORING_ON, &cblk->flags); 13685ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() failed status %d", result); 13691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1370cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent mRestoreStatus = result; 13711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // signal old cblk condition for other threads waiting for restore completion 137238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_RESTORED_ON, &cblk->flags); 13731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->cv.broadcast(); 13741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } else { 13751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(cblk->flags & CBLK_RESTORED_MSK)) { 13765ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioTrack, waiting for a new one TID %d", gettid()); 13771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 13781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(RESTORE_TIMEOUT_MS)); 1379cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent if (result == NO_ERROR) { 1380cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent result = mRestoreStatus; 1381cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent } 13821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 13831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 13841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } else { 13855ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioTrack, already restored TID %d", gettid()); 1386cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent result = mRestoreStatus; 13871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 13881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13903856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("restoreTrack_l() status %d mActive %d cblk %p, old cblk %p flags %08x old flags %08x", 1391e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten result, mActive, mCblk, cblk, mCblk->flags, cblk->flags); 13921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 13941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // from now on we switch to the newly created cblk 13951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk = mCblk; 13961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 13981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13995ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() error %d TID %d", result, gettid()); 14001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 14021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 14031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 140489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 140589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 140689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 140789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 140889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 140989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 141089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 141189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 141289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]); 141389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1414d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mCblk->frameCount); 141589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1416573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent snprintf(buffer, 255, " sample rate(%d), status(%d), muted(%d)\n", (mCblk == 0) ? 0 : mCblk->sampleRate, mStatus, mMuted); 141789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 141889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 141989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 142089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 142189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 142289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 142389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 142589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 14273acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true) 14283acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14293acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14303acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 143289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 143389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 143489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 143589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 143689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 14383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 14393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 14403acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 14413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 14423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 14433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 14443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1445ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten if (!mReceiver.processAudioBuffer(this)) { 1446ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten pause(); 1447ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 1448ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten return true; 144989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 145089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 145189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::AudioTrackThread::readyToRun() 145289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 145389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 145489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 145589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 145689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::AudioTrackThread::onFirstRef() 145789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 145889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 145989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 14613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 14633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 14643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 14653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14663acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 14683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14693acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 14703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 14713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 14743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 14763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 14773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 14783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 14793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 14803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 148289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 148389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 148438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 148589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 148654b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian : lock(Mutex::SHARED), cv(Condition::SHARED), user(0), server(0), 1487a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten userBase(0), serverBase(0), buffers(NULL), frameCount(0), 148883d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), mVolumeLR(0x10001000), 148905632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel(0), flags(0) 149089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 149189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 149289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 149389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) 149489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1495a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen ALOGV("stepuser %08x %08x %d", user, server, frameCount); 149689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1497a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen uint32_t u = user; 149889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u += frameCount; 149989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 1500d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 150189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 150289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 150389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 150489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15059054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten } else if (u > server) { 1506a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen ALOGW("stepUser occurred after track reset"); 15079054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten u = server; 150889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 150989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1510a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen uint32_t fc = this->frameCount; 1511a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (u >= fc) { 1512a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // common case, user didn't just wrap 1513a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (u - fc >= userBase ) { 1514a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen userBase += fc; 1515a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } 1516a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } else if (u >= userBase + fc) { 1517a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // user just wrapped 1518a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen userBase += fc; 151989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 152089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15219054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten user = u; 152289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 152389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 152433797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent if (flags & CBLK_UNDERRUN_MSK) { 152538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_UNDERRUN_MSK, &flags); 152633797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } 152789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 152889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u; 152989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 153089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 153189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool audio_track_cblk_t::stepServer(uint32_t frameCount) 153289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1533a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen ALOGV("stepserver %08x %08x %d", user, server, frameCount); 1534a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen 153538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 15365ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer() could not lock cblk"); 153789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 153889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 153989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15409054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 1541a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen bool flushed = (s == user); 154289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 154389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s += frameCount; 1544d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 154589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 154689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we switch to normal obtainBuffer() timeout period 154789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 154834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS - 1; 1549c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 155089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // It is possible that we receive a flush() 155189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // while the mixer is processing a block: in this case, 155289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 155389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we have s > u 1554a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (flushed) { 15555ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer occurred after track reset"); 15569054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten s = user; 155789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 155889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 155989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 156089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= loopEnd) { 15615ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 156289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = loopStart; 156389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--loopCount == 0) { 156489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd = UINT_MAX; 156589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart = UINT_MAX; 156689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1568a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen 1569a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen uint32_t fc = this->frameCount; 1570a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (s >= fc) { 1571a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // common case, server didn't just wrap 1572a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (s - fc >= serverBase ) { 1573a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen serverBase += fc; 1574a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } 1575a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } else if (s >= serverBase + fc) { 1576a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // server just wrapped 1577a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen serverBase += fc; 157889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 157989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15809054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten server = s; 158189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(flags & CBLK_INVALID_MSK)) { 15831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cv.signal(); 15841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 158589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project lock.unlock(); 158689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 158789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 158889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 158989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid* audio_track_cblk_t::buffer(uint32_t offset) const 159089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15919054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten return (int8_t *)buffers + (offset - userBase) * frameSize; 159289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 159389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 159489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable() 159589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 159689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 159789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return framesAvailable_l(); 159889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 159989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 160089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable_l() 160189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16029054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 16039054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 160489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1605d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 160689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 160789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return limit + frameCount - u; 160889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 160989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return frameCount + u - s; 161089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 161189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 161289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesReady() 161489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16159054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 16169054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 161789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1618d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 161989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u < loopEnd) { 162089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u - s; 162189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 162238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // do not block on mutex shared with client on AudioFlinger side 162338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 16245ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("framesReady() could not lock cblk"); 162538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return 0; 162638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 162738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent uint32_t frames = UINT_MAX; 162889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount >= 0) { 162938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent frames = (loopEnd - loopStart)*loopCount + u - s; 163089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 163138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent lock.unlock(); 163238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return frames; 163389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 163489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 163589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return s - u; 163689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 163789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 163889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 163938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurentbool audio_track_cblk_t::tryLock() 164038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent{ 164138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // the code below simulates lock-with-timeout 164238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // we MUST do this to protect the AudioFlinger server 164338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // as this lock is shared with the client. 164438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent status_t err; 164538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 164638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 164738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err == -EBUSY) { // just wait a bit 164838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent usleep(1000); 164938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 165038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 165138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err != NO_ERROR) { 165238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // probably, the client just died. 165338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return false; 165438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 165538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return true; 165638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent} 165738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 165889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 165989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 166089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1661