AudioTrack.cpp revision 2c22aeb65e801f663a754d043062f85e49f77739
189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project/* //device/extlibs/pv/android/AudioTrack.cpp 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> 3589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/MemoryDealer.h> 3689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Parcel.h> 3789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/IPCThreadState.h> 3889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Timers.h> 3989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <cutils/atomic.h> 4089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) 4289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) 4389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 4589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 4789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 4989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : mStatus(NO_INIT) 5089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 5289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 5489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int streamType, 5589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 5689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int format, 5789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int channelCount, 5889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 5989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 6089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 6189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 6289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames) 6389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : mStatus(NO_INIT) 6489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = set(streamType, sampleRate, format, channelCount, 6689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frameCount, flags, cbf, user, notificationFrames, 0); 6789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 6889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 7089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int streamType, 7189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 7289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int format, 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int channelCount, 7489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 7589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames) 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : mStatus(NO_INIT) 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = set(streamType, sampleRate, format, channelCount, 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 0, flags, cbf, user, notificationFrames, sharedBuffer); 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->cv.signal(); 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack.clear(); 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int streamType, 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int format, 10889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int channelCount, 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bool threadCanCallJava) 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), sharedBuffer->size()); 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioFlinger != 0) { 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Track already in use"); 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (audioFlinger == 0) { 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Could not get audioflinger"); 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSampleRate; 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afFrameCount; 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t afLatency; 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (streamType == AudioSystem::DEFAULT) { 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project streamType = AudioSystem::MUSIC; 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (format == 0) { 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project format = AudioSystem::PCM_16_BIT; 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (channelCount == 0) { 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project channelCount = 2; 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (((format != AudioSystem::PCM_8_BIT) || sharedBuffer != 0) && 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project (format != AudioSystem::PCM_16_BIT)) { 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Invalid format"); 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (channelCount != 1 && channelCount != 2) { 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Invalid channel number"); 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that buffer depth covers at least audio hardware latency 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (minBufCount < 2) minBufCount = 2; 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // When playing from shared buffer, playback will start even if last audioflinger 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // block is partly filled. 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sharedBuffer != 0 && minBufCount > 1) { 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project minBufCount--; 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sharedBuffer == 0) { 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frameCount == 0) { 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frameCount = minFrameCount; 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (notificationFrames == 0) { 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project notificationFrames = frameCount/2; 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that application is notified with sufficient margin 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // before underrun 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (notificationFrames > frameCount/2) { 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project notificationFrames = frameCount/2; 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that buffer alignment matches channelcount 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (((uint32_t)sharedBuffer->pointer() & (channelCount | 1)) != 0) { 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Invalid buffer alignement: address %p, channelCount %d", sharedBuffer->pointer(), channelCount); 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frameCount < minFrameCount) { 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Invalid buffer size: minFrameCount %d, frameCount %d", minFrameCount, frameCount); 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // create the track 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t status; 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project streamType, sampleRate, format, channelCount, frameCount, flags, sharedBuffer, &status); 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (track == 0) { 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioFlinger could not create track, status: %d", status); 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IMemory> cblk = track->getCblk(); 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk == 0) { 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Could not get control block"); 21989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cbf != 0) { 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread == 0) { 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Could not create callback thread"); 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioFlinger = audioFlinger; 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack = track; 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblkMemory = cblk; 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->out = 1; 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Update buffer size in case it has been limited by AudioFlinger during track creation 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mFrameCount = mCblk->frameCount; 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sharedBuffer == 0) { 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->buffers = sharedBuffer->pointer(); 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force buffer full condition as data is already present in shared memory 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->stepUser(mFrameCount); 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->volume[0] = mCblk->volume[1] = 0x1000; 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = 1.0f; 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = 1.0f; 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSampleRate = sampleRate; 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mFormat = format; 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mChannelCount = channelCount; 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = false; 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mActive = 0; 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf = cbf; 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNotificationFrames = notificationFrames; 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = notificationFrames; 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLatency = afLatency + (1000*mFrameCount) / mSampleRate; 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2622c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 26789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::initCheck() const 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::latency() const 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::streamType() const 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStreamType; 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::sampleRate() const 28789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mSampleRate; 28989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::format() const 29289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 29389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 29489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::channelCount() const 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 29989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 30089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::frameCount() const 30289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFrameCount; 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::frameSize() const 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return channelCount()*((format() == AudioSystem::PCM_8_BIT) ? sizeof(uint8_t) : sizeof(int16_t)); 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mSharedBuffer; 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("start %p", this); 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->exitPending()) { 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->requestExitAndWait() == WOULD_BLOCK) { 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioTrack::start called from thread"); 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return; 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_or(1, &mActive) == 0) { 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = mCblk->server + mUpdatePeriod; 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->waitTimeMs = 0; 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->run("AudioTrackThread", THREAD_PRIORITY_AUDIO_CLIENT); 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 34089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project setpriority(PRIO_PROCESS, 0, THREAD_PRIORITY_AUDIO_CLIENT); 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->start(); 34389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::stop() 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("stop %p", this); 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->stop(); 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // would not stop until loopCount reaches 0). 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project setLoop(0, 0, 0); 3642c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 3652c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // to activate it again 3662c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // will not stop before end of buffer is reached. 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project flush(); 37189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->requestExit(); 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 38189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 38589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return !mActive; 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("flush"); 3922c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi 3932c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 3942c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 3952c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 3962c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 3972c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!mActive) { 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->flush(); 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // in AudioTrack::obtainBuffer() 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->cv.signal(); 40489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 40589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 40989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("pause"); 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mActive = 0; 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->pause(); 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::mute(bool e) 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->mute(e); 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = e; 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::muted() const 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mMuted; 42589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::setVolume(float left, float right) 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // write must be atomic 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->volumeLR = (int32_t(int16_t(left * 0x1000)) << 16) | int16_t(right * 0x1000); 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::getVolume(float* left, float* right) 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *left = mVolume[LEFT]; 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *right = mVolume[RIGHT]; 44089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 44189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::setSampleRate(int rate) 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSamplingRate; 44589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return; 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (rate <= 0) rate = 1; 45189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (rate > afSamplingRate*2) rate = afSamplingRate*2; 45289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (rate > MAX_SAMPLE_RATE) rate = MAX_SAMPLE_RATE; 45389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4541179bc9b0e3d17c984e8f4ad38561c049dd102faThe Android Open Source Project mCblk->sampleRate = (uint16_t)rate; 45589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::getSampleRate() 45889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 45989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return uint32_t(mCblk->sampleRate); 46089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 46189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 46389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 46489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 46589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 46889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 47089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = UINT_MAX; 47189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = UINT_MAX; 47289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = 0; 47389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 47489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 47689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart >= loopEnd || 47889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd - loopStart > mFrameCount) { 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, user %d", loopStart, loopEnd, loopCount, mFrameCount, cblk->user); 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if ((mSharedBuffer != 0) && (loopEnd > mFrameCount)) { 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, framecount %d", 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart, loopEnd, mFrameCount); 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = loopStart; 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = loopEnd; 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = loopCount; 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = loopCount; 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getLoop(uint32_t *loopStart, uint32_t *loopEnd, int *loopCount) 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 49989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart != 0) { 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopStart = mCblk->loopStart; 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopEnd != 0) { 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopEnd = mCblk->loopEnd; 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount != 0) { 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->loopCount < 0) { 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopCount = -1; 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopCount = mCblk->loopCount; 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 51189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 51489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 51789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 51889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 51989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 5212c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 52289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 52489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 52589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) 52789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 52889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (marker == 0) return BAD_VALUE; 52989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 53089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 53189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 53289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 53389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 53489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 53589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 53689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 53789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 53889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 54089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 54189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (updatePeriod == 0) return BAD_VALUE; 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 55889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(mCblk->lock); 55989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position > mCblk->user) return BAD_VALUE; 56389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->server = position; 56589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->forceReady = 1; 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 56889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 57189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 57289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position == 0) return BAD_VALUE; 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *position = mCblk->server; 57589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 58289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project flush(); 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->stepUser(mFrameCount); 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int active; 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int timeout = 0; 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t result; 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 59989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesAvail = cblk->framesAvailable(); 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesAvail == 0) { 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesAvail == 0) { 60989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (UNLIKELY(!active)) { 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("Not active and NO_MORE_BUFFERS"); 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (UNLIKELY(!waitCount)) 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project timeout = 0; 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result = cblk->cv.waitRelative(cblk->lock, milliseconds(WAIT_PERIOD_MS)); 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (__builtin_expect(result!=NO_ERROR, false)) { 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs += WAIT_PERIOD_MS; 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->user < cblk->loopEnd) { 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW( "obtainBuffer timed out (is the CPU pegged?) %p " 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "user=%08x, server=%08x", this, cblk->user, cblk->server); 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.unlock(); 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->start(); 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.lock(); 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project timeout = 1; 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesAvail = cblk->framesAvailable_l(); 64289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 64689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesAvail) { 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesAvail; 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 65289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u + framesReq > bufferEnd) { 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW_IF(timeout, 65989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "*** SERIOUS WARNING *** obtainBuffer() timed out " 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "but didn't need to be locked. We recovered, but " 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "this shouldn't happen (user=%08x, server=%08x)", cblk->user, cblk->server); 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->flags = mMuted ? Buffer::MUTE : 0; 66489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->channelCount= mChannelCount; 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->format = AudioSystem::PCM_16_BIT; 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = framesReq; 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = framesReq*mChannelCount*sizeof(int16_t); 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->raw = (int8_t *)cblk->buffer(u); 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 67589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 67689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->stepUser(audioBuffer->frameCount); 67789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 68289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // sanity-check. user is most-likely passing an error code. 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 68989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 69189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 69289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t written = 0; 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 70089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = userSize/mChannelCount; 70189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mFormat == AudioSystem::PCM_16_BIT) { 70289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount >>= 1; 70389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 70489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Calling obtainBuffer() with a negative wait count causes 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // an (almost) infinite wait time. 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 70889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 71089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 71189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 71389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mFormat == AudioSystem::PCM_8_BIT) { 71689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size>>1; 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // 8 to 16 bit conversion 71989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int count = toWrite; 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int16_t *dst = (int16_t *)(audioBuffer.i8); 72189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while(count--) { 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *dst++ = (int16_t)(*src++^0x80) << 8; 72389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 72489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project }else { 72589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 72689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 72789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project src += toWrite; 72889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 72989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 73089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 73189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 73289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 73389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while (userSize); 73489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 73589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 73689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 73789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 73889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 73989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 74189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 74289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 74389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames; 74489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t writtenSize; 74589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage underrun callback 74789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mActive && (mCblk->framesReady() == 0)) { 74889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("Underrun user: %x, server: %x, flowControlFlag %d", mCblk->user, mCblk->server, mCblk->flowControlFlag); 74989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->flowControlFlag == 0) { 75089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 75189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->server == mCblk->frameCount) { 75289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_BUFFER_END, mUserData, 0); 75389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 75489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->flowControlFlag = 1; 75589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return false; 75689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 75789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 75889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 75989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage loop end callback 76089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (mLoopCount > mCblk->loopCount) { 76189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int loopCount = -1; 76289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount--; 76389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 76489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 76689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 76789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 7692c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 77089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->server >= mMarkerPosition) { 77189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 7722c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = true; 77389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 77489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 77589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 77689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 77789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if(mUpdatePeriod > 0) { 77889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (mCblk->server >= mNewPosition) { 77989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 78089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 78189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 78289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 78389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 78489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If Shared buffer is used, no data is requested from client. 78589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 78689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = 0; 78789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 78889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = mRemainingFrames; 78989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 79089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 79189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 79289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 79389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 79489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 79589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Calling obtainBuffer() with a wait count of 1 79689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // limits wait time to WAIT_PERIOD_MS. This prevents from being 79789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stuck here not being able to handle timed events (position, markers, loops). 79889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, 1); 79989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 80089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 80189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Error obtaining an audio buffer, giving up."); 80289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 80389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 80489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 80589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 80689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 80789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 80889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 80989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 81089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 81189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mFormat == AudioSystem::PCM_8_BIT) { 81289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 81389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 81489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 81689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 81789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize = audioBuffer.size; 81889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 8208555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 8218555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 8228555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 8238555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 8248555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 8258555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 8268555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project break; 8278555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project } 82889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 82989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 83089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mFormat == AudioSystem::PCM_8_BIT) { 83189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // 8 to 16 bit conversion 83289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = audioBuffer.i8 + writtenSize-1; 83389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int count = writtenSize; 83489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int16_t *dst = audioBuffer.i16 + writtenSize-1; 83589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while(count--) { 83689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *dst-- = (int16_t)(*src--^0x80) << 8; 83789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 83889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize <<= 1; 83989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 84089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = writtenSize; 84289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = writtenSize/mChannelCount/sizeof(int16_t); 84389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 84489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 84689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 84789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (frames); 84889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 85089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = mNotificationFrames; 85189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 85289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 85389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 85489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 85589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 85689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 85789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 85889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 85989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 86089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 86189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 86289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 86389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 86489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 86589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]); 86689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 86789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mFrameCount); 86889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 86989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " sample rate(%d), status(%d), muted(%d)\n", mSampleRate, mStatus, mMuted); 87089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 87189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 87289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 87389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 87489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 87589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 87689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 87789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 87889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 87989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 88089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : Thread(bCanCallJava), mReceiver(receiver) 88189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 88289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 88389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 88489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 88589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 88689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mReceiver.processAudioBuffer(this); 88789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 88889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 88989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::AudioTrackThread::readyToRun() 89089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 89189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 89289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 89389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::AudioTrackThread::onFirstRef() 89589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 89689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 89789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 89989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 90089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 90189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : user(0), server(0), userBase(0), serverBase(0), buffers(0), frameCount(0), 90289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), volumeLR(0), flowControlFlag(1), forceReady(0) 90389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 90489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 90589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 90689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) 90789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 90889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 90989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 91089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u += frameCount; 91189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 91289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (out) { 91389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 91489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 91589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 91689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 91789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else if (u > this->server) { 91889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("stepServer occured after track reset"); 91989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u = this->server; 92089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 92189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u >= userBase + this->frameCount) { 92389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userBase += this->frameCount; 92489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 92589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project this->user = u; 92789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 92989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project flowControlFlag = 0; 93089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u; 93289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 93389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool audio_track_cblk_t::stepServer(uint32_t frameCount) 93589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 93689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // the code below simulates lock-with-timeout 93789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we MUST do this to protect the AudioFlinger server 93889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // as this lock is shared with the client. 93989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err; 94089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 94189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project err = lock.tryLock(); 94289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == -EBUSY) { // just wait a bit 94389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project usleep(1000); 94489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project err = lock.tryLock(); 94589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 94689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != NO_ERROR) { 94789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // probably, the client just died. 94889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 94989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 95289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s += frameCount; 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (out) { 95589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 95689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we switch to normal obtainBuffer() timeout period 95789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 95889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS - 1; 95989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 96089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // It is possible that we receive a flush() 96189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // while the mixer is processing a block: in this case, 96289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 96389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we have s > u 96489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s > this->user) { 96589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("stepServer occured after track reset"); 96689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = this->user; 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 96889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 96989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= loopEnd) { 97189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 97289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = loopStart; 97389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--loopCount == 0) { 97489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd = UINT_MAX; 97589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart = UINT_MAX; 97689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 97789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= serverBase + this->frameCount) { 97989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project serverBase += this->frameCount; 98089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 98189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project this->server = s; 98389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cv.signal(); 98589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project lock.unlock(); 98689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 98789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 98889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid* audio_track_cblk_t::buffer(uint32_t offset) const 99089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 99189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return (int16_t *)this->buffers + (offset-userBase)*this->channels; 99289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 99389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 99489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable() 99589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 99689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 99789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return framesAvailable_l(); 99889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 99989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable_l() 100189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 100289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 100389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 100489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (out) { 100689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 100789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return limit + frameCount - u; 100889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 100989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return frameCount + u - s; 101089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 101189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 101289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesReady() 101489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 101589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 101689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 101789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (out) { 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u < loopEnd) { 102089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u - s; 102189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 102289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 102389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount >= 0) { 102489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return (loopEnd - loopStart)*loopCount + u - s; 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 102689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return UINT_MAX; 102789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 103089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return s - u; 103189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 103289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 103389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 103489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 103589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 103689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 103789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1038