AudioTrack.cpp revision 28b76b334f92a15a2be3cc9e2f7d229a3275d1ac
199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten/* 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Copyright 2007, The Android Open Source Project 489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** you may not use this file except in compliance with the License. 789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** You may obtain a copy of the License at 889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 1089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 1189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 1289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 1389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** See the License for the specific language governing permissions and 1589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** limitations under the License. 1689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project*/ 1789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project//#define LOG_NDEBUG 0 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LOG_TAG "AudioTrack" 2189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <stdint.h> 2389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/types.h> 2489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <limits.h> 2589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sched.h> 2789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/resource.h> 2889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <private/media/AudioTrackShared.h> 3089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioSystem.h> 3289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioTrack.h> 3389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 357562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/Parcel.h> 367562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/IPCThreadState.h> 3789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Timers.h> 3838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent#include <utils/Atomic.h> 3989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin#include <cutils/bitops.h> 41f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten#include <cutils/compiler.h> 42fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 4364760240f931714858a59c1579f07264d7182ba2Dima Zavin#include <system/audio.h> 447394a4f358fa9908a9f0a7c954b65c399f4268e6Dima Zavin#include <system/audio_policy.h> 45fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 46511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten#include <audio_utils/primitives.h> 47511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 4933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 5033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 5133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 5233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 5333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int* frameCount, 54fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 5533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 5633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 5704cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten if (frameCount == NULL) return BAD_VALUE; 5804cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 5904cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten // default to 0 in case of error 6004cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten *frameCount = 0; 6104cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 62e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME merge with similar code in createTrack_l(), except we're missing 63e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // some information here that is available in createTrack_l(): 64e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 65e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 66e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 67e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_output_flags_t flags 6833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int afSampleRate; 6933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 7033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 7133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 7233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int afFrameCount; 7333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 7433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 7533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 7633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 7733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 7833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 7933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 8033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 8133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 8233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 8333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (minBufCount < 2) minBufCount = 2; 8433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 8533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 86e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten afFrameCount * minBufCount * sampleRate / afSampleRate; 873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("getMinFrameCount=%d: afFrameCount=%d, minBufCount=%d, afSampleRate=%d, afLatency=%d", 883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 8933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 9033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 95879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 964ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 974ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 98a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 103fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 105e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 10628b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 1080ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 111be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 112be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 113879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1144ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1154ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 116a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1180d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 119a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 12017a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId); 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12317a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten// DEPRECATED 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 125c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int streamType, 126c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber uint32_t sampleRate, 127c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int format, 128c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int channelMask, 129c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int frameCount, 130c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber uint32_t flags, 131c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber callback_t cbf, 132c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber void* user, 133c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int notificationFrames, 134c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int sessionId) 135c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber : mStatus(NO_INIT), 13618868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten mIsTimed(false), 137a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(SP_DEFAULT) 138c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber{ 13928b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten mStatus = set((audio_stream_type_t)streamType, sampleRate, (audio_format_t)format, 14028b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten (audio_channel_mask_t) channelMask, 1410ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent frameCount, (audio_output_flags_t)flags, cbf, user, notificationFrames, 14217a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId); 143c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber} 144c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 145c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 146fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 148e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 14928b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1510ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 154be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 155be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 156879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1574ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1584ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 159a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1610d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 16217a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 16317a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten sharedBuffer, false /*threadCanCallJava*/, sessionId); 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1683856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 1763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack.clear(); 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1823a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 187fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 189e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 19028b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 1920ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 197be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 198be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2013856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), sharedBuffer->size()); 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2031a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent ALOGV("set() streamType %d frameCount %d flags %04x", streamType, frameCount, flags); 2041a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2061dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 20729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 212fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 213fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 215ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 217e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten int afSampleRate; 218e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 219e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 220e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 223ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 225e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 226fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2280d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (channelMask == 0) { 2290d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask = AUDIO_CHANNEL_OUT_STEREO; 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 233fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 23429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid format"); 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 237c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 238e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 239e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 240e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 241e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 242e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 243e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 244c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 245fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 2460ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2480ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 249c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2501948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 2511948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 2521948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 2531948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 254c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2550d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_output_channel(channelMask)) { 25628b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2590d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 261fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 262fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 263e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 26418868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten flags); 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 266c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 26729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 268c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 27234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 27305632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 274d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 275d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 276be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 2772beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 278093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 2794a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 280be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 2813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (cbf != NULL) { 2823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 2833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 2843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 28634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 2871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 2881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 289e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 29028b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten channelMask, 2911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 2921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 2931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 294291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten output); 29589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 2973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 2983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); 2993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread.clear(); 3003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 30189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 30289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 30334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 307e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 30828b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten mChannelMask = channelMask; 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mChannelCount = channelCount; 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = false; 3129a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3162c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 319cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 3203a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 321cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent mRestoreStatus = NO_ERROR; 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::initCheck() const 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::latency() const 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 337fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenaudio_stream_type_t AudioTrack::streamType() const 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStreamType; 34089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 342e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kastenaudio_format_t AudioTrack::format() const 34389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::channelCount() const 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::frameCount() const 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 354d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return mCblk->frameCount; 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 357b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kastensize_t AudioTrack::frameSize() const 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 359fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(mFormat)) { 360671a636931295d9c33ffca74551a804479d01241Eric Laurent return channelCount()*audio_bytes_per_sample(mFormat); 361c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 362c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return sizeof(uint8_t); 363c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mSharedBuffer; 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3773856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start %p", this); 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 379f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 3811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 382e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 383e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 3841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 3851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3869a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 387cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 3889a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = true; 3891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = cblk->server + mUpdatePeriod; 39033797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent cblk->lock.lock(); 3911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 3921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->waitTimeMs = 0; 39338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_DISABLED_ON, &cblk->flags); 3942b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (t != 0) { 3953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->resume(); 3962b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } else { 397879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 398a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 399879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4002b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 4012b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 4023856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start %p before lock cblk %p", this, mCblk); 403d3a9ff4b725de612bf0354c035ba8f8564dbc6e8Glenn Kasten status_t status = NO_ERROR; 4041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 4051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 4063acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("mAudioTrack->start()"); 4073acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten status = mAudioTrack->start(); 4081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 4091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (status == DEAD_OBJECT) { 41038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_INVALID_ON, &cblk->flags); 4116100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 4122b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 4131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 4141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status = restoreTrack_l(cblk, true); 4151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 4161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 4172b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (status != NO_ERROR) { 4183856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start() failed"); 4199a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 42034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (t != 0) { 4213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->pause(); 42234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 423879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 424a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 42534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::stop() 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4353856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stop %p", this); 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 437f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4389a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4399a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 4401dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 44189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->stop(); 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // would not stop until loopCount reaches 0). 4441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent setLoop_l(0, 0, 0); 4452c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 4462c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // to activate it again 4472c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 44989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // will not stop before end of buffer is reached. 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 4511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 45289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 4543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->pause(); 45589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 456879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 457a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 45889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 46089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 46289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 46489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4659a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4669a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten return stopped_l(); 46789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 46889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 47089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 4731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 4741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 4761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 4771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 4783856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("flush"); 479c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4802c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4812c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4822c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4832c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 484c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!mActive) { 486cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = true; 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->flush(); 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // in AudioTrack::obtainBuffer() 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->cv.signal(); 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4963856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("pause"); 497f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4989a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4999a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 500192cbbad773979a6fe3b5a0c223356de4fc3309cEric Laurent mCblk->cv.signal(); 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->pause(); 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::mute(bool e) 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->mute(e); 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = e; 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::muted() const 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 51389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mMuted; 51489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 516be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 51789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 518f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 519be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 520be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 521be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 52389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 52489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 52589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52683d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten mCblk->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 527be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 528be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 52989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 53089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 531a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getVolume(float* left, float* right) const 53289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 533be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (left != NULL) { 534be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *left = mVolume[LEFT]; 535be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 536be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (right != NULL) { 537be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *right = mVolume[RIGHT]; 538be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 539be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 540be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5412beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 542be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 5433856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setAuxEffectSendLevel(%f)", level); 54405632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 545be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 546be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 5471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 548be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 549be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 550be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 55105632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mCblk->setSendLevel(level); 552be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 553be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 554be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 555be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 556a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 557be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 558be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 559be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *level = mSendLevel; 560be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 563573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurentstatus_t AudioTrack::setSampleRate(int rate) 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 56589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSamplingRate; 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5674ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5684ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5694ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5704ff14bae91075eb274eb1c2975982358946e7e63John Grossman 57189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 572573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 575573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent if (rate <= 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 578573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mCblk->sampleRate = rate; 579573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 582a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5844ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5854ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5864ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5874ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 589573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return setLoop_l(loopStart, loopEnd, loopCount); 5961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 5991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 6001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = UINT_MAX; 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = UINT_MAX; 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = 0; 60989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6134ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 6144ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 6154ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6164ff14bae91075eb274eb1c2975982358946e7e63John Grossman 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart >= loopEnd || 6189b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent loopEnd - loopStart > cblk->frameCount || 6199b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->server > loopStart) { 62029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, user %d", loopStart, loopEnd, loopCount, cblk->frameCount, cblk->user); 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6249b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if ((mSharedBuffer != 0) && (loopEnd > cblk->frameCount)) { 62529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, framecount %d", 626d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent loopStart, loopEnd, cblk->frameCount); 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 628c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = loopStart; 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = loopEnd; 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = loopCount; 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = loopCount; 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 640a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6432c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 64689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 648a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 650a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (marker == NULL) return BAD_VALUE; 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 659a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 66489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 669a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 671a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (updatePeriod == NULL) return BAD_VALUE; 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 67689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6804ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) return INVALID_OPERATION; 6814ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6849a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!stopped_l()) return INVALID_OPERATION; 6859a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten 6869a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten Mutex::Autolock _l(mCblk->lock); 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position > mCblk->user) return BAD_VALUE; 68989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->server = position; 69138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_FORCEREADY_ON, &mCblk->flags); 692c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 69389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 698a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (position == NULL) return BAD_VALUE; 6991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 700cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi *position = mFlushed ? 0 : mCblk->server; 70189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 70389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7099a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!stopped_l()) return INVALID_OPERATION; 710c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 713d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 71689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 718c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 719c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 7201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return getOutput_l(); 7221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 7261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 727fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten return AudioSystem::getOutput(mStreamType, 72818868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten mCblk->sampleRate, mFormat, mChannelMask, mFlags); 729c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 730c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 731a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenint AudioTrack::getSessionId() const 732be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 733be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return mSessionId; 734be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 735be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 736be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 737be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 7383856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("attachAuxEffect(%d)", effectId); 7392beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 7402beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 7412beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 7422beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 7432beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 744be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 745be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 74689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 74789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 750fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 75134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 752e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 75328b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 75434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int frameCount, 7550ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 75634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 757291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten audio_io_handle_t output) 75834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 75934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 76034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 76134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 762e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 763e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 76434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 76534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 766d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 7671a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent if (AudioSystem::getLatency(output, streamType, &afLatency) != NO_ERROR) { 768d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 769d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 770d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 7714a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 7724a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 7730ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 7744a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 7754a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 7764a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 7774a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 7784a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 7793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 780093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 7810ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 782093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 7834a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 784e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 7854a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 786d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 787e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 788fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 789e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 790d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 791e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 792d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 793e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 794e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten int afFrameCount; 795e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getFrameCount(output, streamType, &afFrameCount) != NO_ERROR) { 796e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 797e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 798e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 799d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 800e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 801e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (sharedBuffer != 0) { 802e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 803e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Ensure that buffer alignment matches channelCount 804e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten int channelCount = popcount(channelMask); 805e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 806e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten size_t alignment = /* format == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 807e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (channelCount > 1) { 808e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 809e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 810e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 811e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (((uint32_t)sharedBuffer->pointer() & (alignment - 1)) != 0) { 812e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("Invalid buffer alignment: address %p, channelCount %d", 813e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten sharedBuffer->pointer(), channelCount); 814e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 815e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 816e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 817e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 818e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 819e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 820e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 821e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 822e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 823e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 824e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 825e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 826e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten int afSampleRate; 827e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getSamplingRate(output, streamType, &afSampleRate) != NO_ERROR) { 828e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 829e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 830e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten int afFrameCount; 831e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getFrameCount(output, streamType, &afFrameCount) != NO_ERROR) { 832e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 833e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 834e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 835d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 836d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 837d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (minBufCount < 2) minBufCount = 2; 838d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 839d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 8403acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("minFrameCount: %d, afFrameCount=%d, minBufCount=%d, sampleRate=%d, afSampleRate=%d" 8413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 8423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 843d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 844e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 845e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 846e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 847e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (mNotificationFramesAct == 0) { 848e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = frameCount/2; 849e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 850e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Make sure that application is notified with sufficient margin 851e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // before underrun 852e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (mNotificationFramesAct > (uint32_t)frameCount/2) { 853e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = frameCount/2; 854d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 855e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount < minFrameCount) { 856e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 857e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 858e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 859e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 860e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 861e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 862e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 863e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 864d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 865d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 866a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 867a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 868a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 869a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 8703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 8713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 8720ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 8734a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 8743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 8753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 8763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 8774a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 8784a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 87934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 88034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent streamType, 88134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 88234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent format, 8830d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask, 88434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 885a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags, 88634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 88734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 8883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 889be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 89034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 89134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 89234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 89329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 89434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 89534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 89634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IMemory> cblk = track->getCblk(); 89734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (cblk == 0) { 89829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 89934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 90034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 90134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 90234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory = cblk; 90334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 9043acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // old has the previous value of mCblk->flags before the "or" operation 9053acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten int32_t old = android_atomic_or(CBLK_DIRECTION_OUT, &mCblk->flags); 9063acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 9073acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (old & CBLK_FAST) { 90831dfd1db7a4d2228d9642008af6f3dd744368eb6Glenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", mCblk->frameCount); 9093acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 91031dfd1db7a4d2228d9642008af6f3dd744368eb6Glenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", mCblk->frameCount); 911093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 912093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 913093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 9143acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 915e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (sharedBuffer == 0) { 916e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = mCblk->frameCount/2; 917e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 9183acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 91934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 92034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 92134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 92234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = sharedBuffer->pointer(); 923e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten // Force buffer full condition as data is already present in shared memory 924d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 92534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 92634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 92783d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten mCblk->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | uint16_t(mVolume[LEFT] * 0x1000)); 92805632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mCblk->setSendLevel(mSendLevel); 9292beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 9306100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 9316100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->waitTimeMs = 0; 932d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 933e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 934d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mLatency = afLatency + (1000*mCblk->frameCount) / sampleRate; 935093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 936093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 937093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten if (mCblk->frameCount > mFrameCount) { 938093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFrameCount = mCblk->frameCount; 939093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 94034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 94134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 94234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 94389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 94489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 9469a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active; 947d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t result = NO_ERROR; 94889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 94989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 9501dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 95189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 95389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesAvail = cblk->framesAvailable(); 95689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9579b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.lock(); 9589b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 9599b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent goto create_new_track; 9609b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent } 9619b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.unlock(); 9629b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent 96389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesAvail == 0) { 96434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 96589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 96689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesAvail == 0) { 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 968f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!active)) { 9693856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Not active and NO_MORE_BUFFERS"); 97034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 97189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 97289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 973f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!waitCount)) { 97434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 97589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 97634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 977d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 9781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 979d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 9801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 9811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 9829a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 9831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return status_t(STOPPED); 9841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 9851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 986d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 9871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 988d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 989d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent goto create_new_track; 990d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 991f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(result != NO_ERROR)) { 9921dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 99389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 99489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 99589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 99689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->user < cblk->loopEnd) { 9970c9d26d187017f7fb028ab52a0fbc6395142faa4Glenn Kasten ALOGW( "obtainBuffer timed out (is the CPU pegged?) %p name=%#x" 9980c9d26d187017f7fb028ab52a0fbc6395142faa4Glenn Kasten "user=%08x, server=%08x", this, cblk->mName, cblk->user, cblk->server); 999c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 100089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.unlock(); 10013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten result = mAudioTrack->start(); 10021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 100334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 100438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_INVALID_ON, &cblk->flags); 1005d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurentcreate_new_track: 10061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = restoreTrack_l(cblk, false); 10071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 10081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 10095ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("obtainBuffer create Track error %d", result); 10101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 10111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 101234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 101389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 101489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 101589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1016c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 101789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 101834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 102089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 102389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 102489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesAvail = cblk->framesAvailable_l(); 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 102789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 1030c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 103189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesAvail) { 103289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesAvail; 103389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 103489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 103589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 103689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 103789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1038a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (framesReq > bufferEnd - u) { 103989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 104089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 104189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1042c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->flags = mMuted ? Buffer::MUTE : 0; 1043c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->channelCount = mChannelCount; 1044c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->frameCount = framesReq; 1045c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->size = framesReq * cblk->frameSize; 1046fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(mFormat)) { 1047fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audioBuffer->format = AUDIO_FORMAT_PCM_16_BIT; 1048c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 1049c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->format = mFormat; 1050c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 1051c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->raw = (int8_t *)cblk->buffer(u); 105289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 105389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 105489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 105589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 10591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mCblk->stepUser(audioBuffer->frameCount); 1060df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (audioBuffer->frameCount > 0) { 1061df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1062df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (mActive && (mCblk->flags & CBLK_DISABLED_MSK)) { 1063df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent android_atomic_and(~CBLK_DISABLED_ON, &mCblk->flags); 10640c9d26d187017f7fb028ab52a0fbc6395142faa4Glenn Kasten ALOGW("releaseBuffer() track %p name=%#x disabled, restarting", this, mCblk->mName); 1065df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1066df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1067df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 106889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 106989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 107189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 107389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 107489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 10764ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) return INVALID_OPERATION; 107789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 107999e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 108099e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 108129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 108289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 108389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 108489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 108589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10863856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 108789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1088df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (userSize == 0) { 1089df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return 0; 1090df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1091df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent 10921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 10931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 10941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1095e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1096e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 10971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 10981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 109989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t written = 0; 110089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 110189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 1102b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kasten size_t frameSz = frameSize(); 110389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 110533797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent audioBuffer.frameCount = userSize/frameSz; 1106c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 110789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 110889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 110989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 111089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 111189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 111289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 111389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 111489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 1116c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11170ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 111889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 111989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size>>1; 1120511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) src, toWrite); 11213302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 112289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 112389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 112489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project src += toWrite; 112589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 112689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 112789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 112889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 113033797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } while (userSize >= frameSz); 113189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 113289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 113389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 113489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 113589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 113689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11374ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 11384ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 11394ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11404ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11414ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 11424ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 11434ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 11444ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11454ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 11464ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 11474ff14bae91075eb274eb1c2975982358946e7e63John Grossman // we can attempt to restore in in just a bit. 11484ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (!(mCblk->flags & CBLK_INVALID_MSK)) { 11494ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 11504ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 11514ff14bae91075eb274eb1c2975982358946e7e63John Grossman android_atomic_or(CBLK_INVALID_ON, &mCblk->flags); 11524ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11534ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11544ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11554ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 11564ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 11574ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mCblk->flags & CBLK_INVALID_MSK) { 11584ff14bae91075eb274eb1c2975982358946e7e63John Grossman mCblk->lock.lock(); 11594ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = restoreTrack_l(mCblk, false); 11604ff14bae91075eb274eb1c2975982358946e7e63John Grossman mCblk->lock.unlock(); 11614ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11624ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == OK) 11634ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 11644ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11654ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11664ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 11674ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11684ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11694ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 11704ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 11714ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1172df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1173df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1174df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1175df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1176df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 1177df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mActive && (mCblk->flags & CBLK_DISABLED_MSK)) { 1178df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent android_atomic_and(~CBLK_DISABLED_ON, &mCblk->flags); 1179df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 1180df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1181df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 11824ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1183df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 11844ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11854ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11864ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 11874ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 11884ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 11894ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 11904ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11914ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11924ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 11934ff14bae91075eb274eb1c2975982358946e7e63John Grossman 119489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 119589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 119689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 119789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames; 119889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t writtenSize; 119989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 12011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 12021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 1203e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1204e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 12051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 12069a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active = mActive; 12071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 12081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 120989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage underrun callback 12109a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (active && (cblk->framesAvailable() == cblk->frameCount)) { 12113856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Underrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags); 121238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!(android_atomic_or(CBLK_UNDERRUN_ON, &cblk->flags) & CBLK_UNDERRUN_MSK)) { 121389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 12141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server == cblk->frameCount) { 1215c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 121689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 121789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return false; 121889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 121989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1220c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 122189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage loop end callback 12221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (mLoopCount > cblk->loopCount) { 122389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int loopCount = -1; 122489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount--; 122589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 122689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 122789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 122889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 122989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 12312c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 12321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server >= mMarkerPosition) { 123389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 12342c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = true; 123589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 123689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 123789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 1239c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mUpdatePeriod > 0) { 12401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (cblk->server >= mNewPosition) { 124189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 124289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 124389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If Shared buffer is used, no data is requested from client. 124789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 124889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = 0; 124989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 125089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = mRemainingFrames; 125189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 125289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 125399e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // See description of waitCount parameter at declaration of obtainBuffer(). 125499e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // The logic below prevents us from being stuck below at obtainBuffer() 125599e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // not being able to handle timed events (position, markers, loops). 12562267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent int32_t waitCount = -1; 12572267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent if (mUpdatePeriod || (!mMarkerReached && mMarkerPosition) || mLoopCount) { 12582267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent waitCount = 1; 12592267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 12602267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 126189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 126289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 126389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 1264c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12652267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent status_t err = obtainBuffer(&audioBuffer, waitCount); 126689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 126789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 126829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 126989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 127089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 127189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 127289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 127389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 127489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 127589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 127689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 127789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 12780ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 127989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 128089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 128189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 128389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 128489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize = audioBuffer.size; 128589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 12878555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 12888555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 12898555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 12908555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 12918555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 12928555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 12938555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project break; 12948555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project } 1295df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent 129689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 129789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12980ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1299511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1300511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 130189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize <<= 1; 130289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 130389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 130489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = writtenSize; 1305c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // NOTE: mCblk->frameSize is not equal to AudioTrack::frameSize() for 1306b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kasten // 8 bit PCM data: in this case, mCblk->frameSize is based on a sample size of 1307c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 16 bit. 1308c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = writtenSize/mCblk->frameSize; 1309c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 131089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 131189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 131289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 131389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 131489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (frames); 131589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 131689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 1317d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 131889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 131989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 132089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 132189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 132289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 132389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock and cblk.lock held. Callers must also hold strong references on 13251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// the IAudioTrack and IMemory in case they are recreated here. 13261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// If the IAudioTrack is successfully restored, the cblk pointer is updated 13271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::restoreTrack_l(audio_track_cblk_t*& cblk, bool fromStart) 13281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 13291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 13301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 133138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!(android_atomic_or(CBLK_RESTORING_ON, &cblk->flags) & CBLK_RESTORING_MSK)) { 13325ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioTrack, creating a new one from %s TID %d", 1333e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten fromStart ? "start()" : "obtainBuffer()", gettid()); 13341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // signal old cblk condition so that other threads waiting for available buffers stop 13361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // waiting now 13371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->cv.broadcast(); 13381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 13391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13409f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // refresh the audio configuration cache in this process to make sure we get new 13419f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // output parameters in getOutput_l() and createTrack_l() 13429f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent AudioSystem::clearAudioConfigCache(); 13439f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 13441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // if the new IAudioTrack is created, createTrack_l() will modify the 13451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // following member variables: mAudioTrack, mCblkMemory and mCblk. 13461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // It will also delete the strong references on previous IAudioTrack and IMemory 13471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = createTrack_l(mStreamType, 13481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->sampleRate, 13491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFormat, 13500d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mChannelMask, 13511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFrameCount, 13521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFlags, 13531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mSharedBuffer, 1354291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten getOutput_l()); 13551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 1357408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t user = cblk->user; 1358408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t server = cblk->server; 13599b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // restore write index and set other indexes to reflect empty buffer status 1360408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->user = user; 1361408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->server = user; 1362408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->userBase = user; 1363408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->serverBase = user; 13649b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // restore loop: this is not guaranteed to succeed if new frame count is not 13659b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // compatible with loop length 13669b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent setLoop_l(cblk->loopStart, cblk->loopEnd, cblk->loopCount); 13671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!fromStart) { 13681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mCblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 1369408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // Make sure that a client relying on callback events indicating underrun or 1370408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // the actual amount of audio frames played (e.g SoundPool) receives them. 1371408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent if (mSharedBuffer == 0) { 1372408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t frames = 0; 1373408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent if (user > server) { 1374408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent frames = ((user - server) > mCblk->frameCount) ? 1375408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->frameCount : (user - server); 1376408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent memset(mCblk->buffers, 0, frames * mCblk->frameSize); 1377408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent } 1378408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // restart playback even if buffer is not completely filled. 1379408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent android_atomic_or(CBLK_FORCEREADY_ON, &mCblk->flags); 1380408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // stepUser() clears CBLK_UNDERRUN_ON flag enabling underrun callbacks to 1381408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // the client 1382408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->stepUser(frames); 1383408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent } 13841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13852986460984580833161bdaabc7f17da1005a8961Eric Laurent if (mSharedBuffer != 0) { 13862986460984580833161bdaabc7f17da1005a8961Eric Laurent mCblk->stepUser(mCblk->frameCount); 13872986460984580833161bdaabc7f17da1005a8961Eric Laurent } 13889b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if (mActive) { 13893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten result = mAudioTrack->start(); 13905ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() start() failed status %d", result); 13919b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent } 13921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (fromStart && result == NO_ERROR) { 13931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 13941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 1397cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent android_atomic_and(~CBLK_RESTORING_ON, &cblk->flags); 13985ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() failed status %d", result); 13991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1400cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent mRestoreStatus = result; 14011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // signal old cblk condition for other threads waiting for restore completion 140238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_RESTORED_ON, &cblk->flags); 14031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->cv.broadcast(); 14041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } else { 14051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(cblk->flags & CBLK_RESTORED_MSK)) { 14065ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioTrack, waiting for a new one TID %d", gettid()); 14071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 14081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(RESTORE_TIMEOUT_MS)); 1409cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent if (result == NO_ERROR) { 1410cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent result = mRestoreStatus; 1411cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent } 14121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 14131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 14141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } else { 14155ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioTrack, already restored TID %d", gettid()); 1416cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent result = mRestoreStatus; 14171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 14181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 14191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 14203856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("restoreTrack_l() status %d mActive %d cblk %p, old cblk %p flags %08x old flags %08x", 1421e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten result, mActive, mCblk, cblk, mCblk->flags, cblk->flags); 14221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 14241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // from now on we switch to the newly created cblk 14251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk = mCblk; 14261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 14271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 14281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14295ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() error %d TID %d", result, gettid()); 14301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 14321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 14331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 143489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 143589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 143689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 143789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 143889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 143989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 144089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 144189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 144289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]); 144389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1444d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mCblk->frameCount); 144589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1446573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent snprintf(buffer, 255, " sample rate(%d), status(%d), muted(%d)\n", (mCblk == 0) ? 0 : mCblk->sampleRate, mStatus, mMuted); 144789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 144889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 144989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 145089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 145189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 145289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 145389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 145489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 145589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 145689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 14573acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true) 14583acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 146289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 146389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 146489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 146589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 146689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 14683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 14693acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 14703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 14713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 14723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 14733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 14743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1475ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten if (!mReceiver.processAudioBuffer(this)) { 1476ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten pause(); 1477ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 1478ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten return true; 147989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 148089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 14823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 14843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1485f4022f90db5acb680870db8c1150b673cdd211d9Glenn Kasten resume(); 14863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 14893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 14913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 14923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 14953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14963acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 14973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 14983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 14993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 15003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 15013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 15023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 150389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 150489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 150538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 150689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 150754b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian : lock(Mutex::SHARED), cv(Condition::SHARED), user(0), server(0), 1508a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten userBase(0), serverBase(0), buffers(NULL), frameCount(0), 150983d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), mVolumeLR(0x10001000), 151005632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel(0), flags(0) 151189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 151289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 151389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 151489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) 151589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1516a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen ALOGV("stepuser %08x %08x %d", user, server, frameCount); 151789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1518a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen uint32_t u = user; 151989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u += frameCount; 152089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 1521d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 152289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 152389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 152489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 152589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15269054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten } else if (u > server) { 1527a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen ALOGW("stepUser occurred after track reset"); 15289054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten u = server; 152989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 153089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1531a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen uint32_t fc = this->frameCount; 1532a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (u >= fc) { 1533a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // common case, user didn't just wrap 1534a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (u - fc >= userBase ) { 1535a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen userBase += fc; 1536a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } 1537a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } else if (u >= userBase + fc) { 1538a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // user just wrapped 1539a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen userBase += fc; 154089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 154189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15429054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten user = u; 154389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 154489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 154533797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent if (flags & CBLK_UNDERRUN_MSK) { 154638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_UNDERRUN_MSK, &flags); 154733797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } 154889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 154989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u; 155089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 155189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 155289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool audio_track_cblk_t::stepServer(uint32_t frameCount) 155389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1554a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen ALOGV("stepserver %08x %08x %d", user, server, frameCount); 1555a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen 155638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 15575ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer() could not lock cblk"); 155889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 155989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15619054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 1562a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen bool flushed = (s == user); 156389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 156489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s += frameCount; 1565d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 156689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 156789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we switch to normal obtainBuffer() timeout period 156889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 156934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS - 1; 1570c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 157189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // It is possible that we receive a flush() 157289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // while the mixer is processing a block: in this case, 157389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 157489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we have s > u 1575a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (flushed) { 15765ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer occurred after track reset"); 15779054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten s = user; 157889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 157989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 158089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 158189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= loopEnd) { 15825ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 158389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = loopStart; 158489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--loopCount == 0) { 158589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd = UINT_MAX; 158689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart = UINT_MAX; 158789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 158889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1589a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen 1590a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen uint32_t fc = this->frameCount; 1591a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (s >= fc) { 1592a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // common case, server didn't just wrap 1593a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (s - fc >= serverBase ) { 1594a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen serverBase += fc; 1595a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } 1596a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } else if (s >= serverBase + fc) { 1597a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // server just wrapped 1598a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen serverBase += fc; 159989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 160089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16019054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten server = s; 160289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(flags & CBLK_INVALID_MSK)) { 16041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cv.signal(); 16051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 160689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project lock.unlock(); 160789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 160889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 160989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid* audio_track_cblk_t::buffer(uint32_t offset) const 161189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16129054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten return (int8_t *)buffers + (offset - userBase) * frameSize; 161389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 161489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable() 161689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 161789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 161889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return framesAvailable_l(); 161989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 162089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 162189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable_l() 162289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16239054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 16249054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 162589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1626d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 162789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 162889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return limit + frameCount - u; 162989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 163089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return frameCount + u - s; 163189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 163289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 163389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 163489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesReady() 163589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16369054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 16379054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 163889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1639d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 164089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u < loopEnd) { 164189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u - s; 164289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 164338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // do not block on mutex shared with client on AudioFlinger side 164438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 16455ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("framesReady() could not lock cblk"); 164638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return 0; 164738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 164838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent uint32_t frames = UINT_MAX; 164989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount >= 0) { 165038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent frames = (loopEnd - loopStart)*loopCount + u - s; 165189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 165238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent lock.unlock(); 165338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return frames; 165489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 165589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 165689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return s - u; 165789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 165889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 165989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 166038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurentbool audio_track_cblk_t::tryLock() 166138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent{ 166238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // the code below simulates lock-with-timeout 166338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // we MUST do this to protect the AudioFlinger server 166438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // as this lock is shared with the client. 166538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent status_t err; 166638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 166738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 166838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err == -EBUSY) { // just wait a bit 166938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent usleep(1000); 167038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 167138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 167238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err != NO_ERROR) { 167338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // probably, the client just died. 167438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return false; 167538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 167638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return true; 167738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent} 167838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 167989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 168089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 168189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1682