AudioTrack.cpp revision 34f1d8ecd23169a5f299937e3aaf1bd7937578a0
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> 357562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/MemoryDealer.h> 367562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/Parcel.h> 377562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/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, 57c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int channels, 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{ 65c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mStatus = set(streamType, sampleRate, format, channels, 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, 73c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int channels, 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{ 81c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mStatus = set(streamType, sampleRate, format, channels, 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 mAudioTrackThread->requestExitAndWait(); 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack.clear(); 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 100c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::releaseOutput(getOutput()); 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, 108c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int channels, 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 1201dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 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 int afSampleRate; 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afFrameCount; 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t afLatency; 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (streamType == AudioSystem::DEFAULT) { 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project streamType = AudioSystem::MUSIC; 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (format == 0) { 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project format = AudioSystem::PCM_16_BIT; 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 149c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (channels == 0) { 150c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent channels = AudioSystem::CHANNEL_OUT_STEREO; 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 154c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isValidFormat(format)) { 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Invalid format"); 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 158c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 159c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 160c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isLinearPCM(format)) { 161c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent flags |= AudioSystem::OUTPUT_FLAG_DIRECT; 162c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 163c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 164c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isOutputChannel(channels)) { 165c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Invalid channel mask"); 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 168c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channelCount = AudioSystem::popCount(channels); 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 170c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output = AudioSystem::getOutput((AudioSystem::stream_type)streamType, 171c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sampleRate, format, channels, (AudioSystem::output_flags)flags); 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 173c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 174c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Could not get audio output for stream type %d", streamType); 175c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 178c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isLinearPCM(format)) { 179c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (sharedBuffer != 0) { 180c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent frameCount = sharedBuffer->size(); 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 183c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Ensure that buffer depth covers at least audio hardware latency 184c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 185c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (minBufCount < 2) minBufCount = 2; 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 187c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 188c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 189c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (sharedBuffer == 0) { 190c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (frameCount == 0) { 191c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent frameCount = minFrameCount; 192c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 193c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (notificationFrames == 0) { 194c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent notificationFrames = frameCount/2; 195c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 196c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Make sure that application is notified with sufficient margin 197c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // before underrun 198c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (notificationFrames > frameCount/2) { 199c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent notificationFrames = frameCount/2; 200c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 201c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (frameCount < minFrameCount) { 202c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Invalid buffer size: minFrameCount %d, frameCount %d", minFrameCount, frameCount); 203c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 204c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 205c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 206c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Ensure that buffer alignment matches channelcount 207c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (((uint32_t)sharedBuffer->pointer() & (channelCount | 1)) != 0) { 208c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Invalid buffer alignement: address %p, channelCount %d", sharedBuffer->pointer(), channelCount); 209c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 210c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 211c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 212c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 21634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 21734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 21834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status = createTrack(streamType, sampleRate, format, channelCount, 21934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, flags, sharedBuffer, output); 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cbf != 0) { 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread == 0) { 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Could not create callback thread"); 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mFormat = format; 237c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mChannels = channels; 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mChannelCount = channelCount; 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = false; 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mActive = 0; 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf = cbf; 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNotificationFrames = notificationFrames; 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = notificationFrames; 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 246573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mLatency = afLatency + (1000*mFrameCount) / sampleRate; 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2492c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 252c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mFlags = flags; 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::initCheck() const 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::latency() const 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 26789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::streamType() const 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStreamType; 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::format() const 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::channelCount() const 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::frameCount() const 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 28689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFrameCount; 28789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::frameSize() const 29089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 291c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 292c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return channelCount()*((format() == AudioSystem::PCM_8_BIT) ? sizeof(uint8_t) : sizeof(int16_t)); 293c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 294c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return sizeof(uint8_t); 295c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 29689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 29989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 30089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mSharedBuffer; 30189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 30289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("start %p", this); 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->exitPending()) { 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->requestExitAndWait() == WOULD_BLOCK) { 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioTrack::start called from thread"); 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return; 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_or(1, &mActive) == 0) { 32134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent audio_io_handle_t output = AudioTrack::getOutput(); 32234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status = mAudioTrack->start(); 32334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status == DEAD_OBJECT) { 32434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGV("start() dead IAudioTrack: creating a new one"); 32534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status = createTrack(mStreamType, mCblk->sampleRate, mFormat, mChannelCount, 32634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mFrameCount, mFlags, mSharedBuffer, output); 32734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 32834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status == NO_ERROR) { 32934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent AudioSystem::startOutput(output, (AudioSystem::stream_type)mStreamType); 33034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 33134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 33234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->waitTimeMs = 0; 33334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (t != 0) { 33434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent t->run("AudioTrackThread", THREAD_PRIORITY_AUDIO_CLIENT); 33534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 33634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent setpriority(PRIO_PROCESS, 0, THREAD_PRIORITY_AUDIO_CLIENT); 33734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 33934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGV("start() failed"); 34034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent android_atomic_and(~1, &mActive); 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::stop() 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("stop %p", this); 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 3591dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 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 } 377c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::stopOutput(getOutput(), (AudioSystem::stream_type)mStreamType); 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 38189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return !mActive; 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("flush"); 393c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3942c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 3952c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 3962c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 3972c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 398c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!mActive) { 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->flush(); 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // in AudioTrack::obtainBuffer() 40489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->cv.signal(); 40589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 40689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 40989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("pause"); 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mActive = 0; 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->pause(); 414c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::stopOutput(getOutput(), (AudioSystem::stream_type)mStreamType); 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::mute(bool e) 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->mute(e); 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = e; 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::muted() const 42589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mMuted; 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::setVolume(float left, float right) 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // write must be atomic 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->volumeLR = (int32_t(int16_t(left * 0x1000)) << 16) | int16_t(right * 0x1000); 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::getVolume(float* left, float* right) 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 44089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *left = mVolume[LEFT]; 44189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *right = mVolume[RIGHT]; 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 444573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurentstatus_t AudioTrack::setSampleRate(int rate) 44589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSamplingRate; 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 449573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 452573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent if (rate <= 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 45389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 454573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mCblk->sampleRate = rate; 455573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 45689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::getSampleRate() 45989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 460573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 46189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 46289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 46489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 46589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 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; 487c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 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; 566c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 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; 582c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 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 590c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 591c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 592c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return AudioSystem::getOutput((AudioSystem::stream_type)mStreamType, 593c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCblk->sampleRate, mFormat, mChannels, (AudioSystem::output_flags)mFlags); 594c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 595c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurentstatus_t AudioTrack::createTrack( 59934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int streamType, 60034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 60134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int format, 60234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int channelCount, 60334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int frameCount, 60434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t flags, 60534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 60634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent audio_io_handle_t output) 60734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 60834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 60934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 61034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 61134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGE("Could not get audioflinger"); 61234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 61334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 61434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 61534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 61634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent streamType, 61734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 61834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent format, 61934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent channelCount, 62034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 62134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent ((uint16_t)flags) << 16, 62234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 62334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 62434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 62534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 62634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 62734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGE("AudioFlinger could not create track, status: %d", status); 62834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 62934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 63034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IMemory> cblk = track->getCblk(); 63134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (cblk == 0) { 63234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGE("Could not get control block"); 63334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 63434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 63534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack.clear(); 63634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 63734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory.clear(); 63834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory = cblk; 63934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 64034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->out = 1; 64134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // Update buffer size in case it has been limited by AudioFlinger during track creation 64234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mFrameCount = mCblk->frameCount; 64334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 64434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 64534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 64634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = sharedBuffer->pointer(); 64734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // Force buffer full condition as data is already present in shared memory 64834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->stepUser(mFrameCount); 64934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 65034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 65134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->volumeLR = (int32_t(int16_t(mVolume[LEFT] * 0x1000)) << 16) | int16_t(mVolume[RIGHT] * 0x1000); 65234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 65334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 65434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 65534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int active; 65989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t result; 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 6621dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesAvail = cblk->framesAvailable(); 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesAvail == 0) { 67034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesAvail == 0) { 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (UNLIKELY(!active)) { 67589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("Not active and NO_MORE_BUFFERS"); 67634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 67789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 67934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (UNLIKELY(!waitCount)) { 68034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 68234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 68334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 6841dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 685c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (__builtin_expect(result!=NO_ERROR, false)) { 6861dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 68989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->user < cblk->loopEnd) { 69189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW( "obtainBuffer timed out (is the CPU pegged?) %p " 69289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "user=%08x, server=%08x", this, cblk->user, cblk->server); 693c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.unlock(); 69534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent result = mAudioTrack->start(); 69634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 69734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGW("obtainBuffer() dead IAudioTrack: creating a new one"); 69834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent result = createTrack(mStreamType, cblk->sampleRate, mFormat, mChannelCount, 69934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mFrameCount, mFlags, mSharedBuffer, getOutput()); 70034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == NO_ERROR) { 70134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk = mCblk; 70234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 70334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 70434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.lock(); 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 70889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 709c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 71089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 71134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 71389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 71689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesAvail = cblk->framesAvailable_l(); 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 71934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 72189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 723c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 72489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesAvail) { 72589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesAvail; 72689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 72789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 72989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 73089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 73189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u + framesReq > bufferEnd) { 73289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 73389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 73489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 735c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->flags = mMuted ? Buffer::MUTE : 0; 736c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->channelCount = mChannelCount; 737c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->frameCount = framesReq; 738c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->size = framesReq * cblk->frameSize; 739c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 740c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->format = AudioSystem::PCM_16_BIT; 741c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 742c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->format = mFormat; 743c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 744c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->raw = (int8_t *)cblk->buffer(u); 74589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 74689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 74789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 75089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 75189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 75289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->stepUser(audioBuffer->frameCount); 75389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 75489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 75589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 75689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 75789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 75889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 75989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 76189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 76389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // sanity-check. user is most-likely passing an error code. 76489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 76589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 76689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 76789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 76889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 77089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 77189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t written = 0; 77289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 77389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 77489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 77589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 776c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = userSize/frameSize(); 777c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 77889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Calling obtainBuffer() with a negative wait count causes 77989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // an (almost) infinite wait time. 78089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 78189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 78289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 78389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 78489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 78589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 78689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 78789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 78889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 789c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7903302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 79189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 79289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size>>1; 79389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // 8 to 16 bit conversion 79489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int count = toWrite; 79589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int16_t *dst = (int16_t *)(audioBuffer.i8); 79689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while(count--) { 79789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *dst++ = (int16_t)(*src++^0x80) << 8; 79889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7993302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 80089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 80189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 80289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project src += toWrite; 80389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 80489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 80589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 80689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 80789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 80889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while (userSize); 80989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 81189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 81289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 81489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 81689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 81789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 81889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames; 81989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t writtenSize; 82089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 82189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage underrun callback 82289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mActive && (mCblk->framesReady() == 0)) { 82389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("Underrun user: %x, server: %x, flowControlFlag %d", mCblk->user, mCblk->server, mCblk->flowControlFlag); 82489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->flowControlFlag == 0) { 82589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 82689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->server == mCblk->frameCount) { 827c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 82889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 82989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->flowControlFlag = 1; 83089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return false; 83189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 83289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 833c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 83489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage loop end callback 83589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (mLoopCount > mCblk->loopCount) { 83689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int loopCount = -1; 83789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount--; 83889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 83989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 84189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 84289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 8442c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 84589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->server >= mMarkerPosition) { 84689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 8472c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = true; 84889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 84989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 85089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 85189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 852c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mUpdatePeriod > 0) { 85389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (mCblk->server >= mNewPosition) { 85489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 85589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 85689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 85789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 85889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 85989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If Shared buffer is used, no data is requested from client. 86089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 86189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = 0; 86289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 86389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = mRemainingFrames; 86489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 86589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 86689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 86789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 86889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 869c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 870c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Calling obtainBuffer() with a wait count of 1 871c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // limits wait time to WAIT_PERIOD_MS. This prevents from being 872c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // stuck here not being able to handle timed events (position, markers, loops). 87389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, 1); 87489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 87589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 8761dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent LOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 87789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 87889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 87989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 88089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 88189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 88289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 88389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 88489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 88589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 8863302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 88789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 88889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 88989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 89189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 89289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize = audioBuffer.size; 89389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 8958555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 8968555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 8978555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 8988555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 8998555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 9008555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 9018555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project break; 9028555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project } 90389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 90489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9053302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 90689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // 8 to 16 bit conversion 90789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = audioBuffer.i8 + writtenSize-1; 90889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int count = writtenSize; 90989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int16_t *dst = audioBuffer.i16 + writtenSize-1; 91089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while(count--) { 91189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *dst-- = (int16_t)(*src--^0x80) << 8; 91289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 91389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize <<= 1; 91489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 91589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 91689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = writtenSize; 917c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // NOTE: mCblk->frameSize is not equal to AudioTrack::frameSize() for 918c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 8 bit PCM data: in this case, mCblk->frameSize is based on a sampel size of 919c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 16 bit. 920c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = writtenSize/mCblk->frameSize; 921c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 92289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 92389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 92589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 92689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (frames); 92789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 92989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = mNotificationFrames; 93089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 93189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 93289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 93389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 93489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 93589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 93789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 93889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 94089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 94189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 94289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 94389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 94489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]); 94589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 94689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mFrameCount); 94789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 948573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent snprintf(buffer, 255, " sample rate(%d), status(%d), muted(%d)\n", (mCblk == 0) ? 0 : mCblk->sampleRate, mStatus, mMuted); 94989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 95189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 95289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 95389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 95589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 95789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 95989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : Thread(bCanCallJava), mReceiver(receiver) 96089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 96189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 96289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 96489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 96589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mReceiver.processAudioBuffer(this); 96689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::AudioTrackThread::readyToRun() 96989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 97089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 97189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 97289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::AudioTrackThread::onFirstRef() 97489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 97589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 97689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 980b07c28b90b2d2793be2b8878d813b607f3eebbb7Mathias Agopian : lock(Mutex::SHARED), user(0), server(0), userBase(0), serverBase(0), buffers(0), frameCount(0), 98189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), volumeLR(0), flowControlFlag(1), forceReady(0) 98289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 98389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 98489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) 98689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 98789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 98889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u += frameCount; 99089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 99189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (out) { 99289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 99389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 99489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 99589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 99689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else if (u > this->server) { 99789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("stepServer occured after track reset"); 99889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u = this->server; 99989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u >= userBase + this->frameCount) { 100289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userBase += this->frameCount; 100389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project this->user = u; 100689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 100889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project flowControlFlag = 0; 100989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u; 101189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 101289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool audio_track_cblk_t::stepServer(uint32_t frameCount) 101489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 101589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // the code below simulates lock-with-timeout 101689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we MUST do this to protect the AudioFlinger server 101789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // as this lock is shared with the client. 101889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err; 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project err = lock.tryLock(); 102189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == -EBUSY) { // just wait a bit 102289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project usleep(1000); 102389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project err = lock.tryLock(); 102489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != NO_ERROR) { 102689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // probably, the client just died. 102789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 102889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 103089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 103189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 103289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s += frameCount; 103389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (out) { 103489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 103589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we switch to normal obtainBuffer() timeout period 103689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 103734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS - 1; 1038c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 103989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // It is possible that we receive a flush() 104089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // while the mixer is processing a block: in this case, 104189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 104289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we have s > u 104389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s > this->user) { 104489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("stepServer occured after track reset"); 104589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = this->user; 104689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 104789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 104889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 104989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= loopEnd) { 105089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 105189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = loopStart; 105289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--loopCount == 0) { 105389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd = UINT_MAX; 105489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart = UINT_MAX; 105589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 105689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= serverBase + this->frameCount) { 105889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project serverBase += this->frameCount; 105989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 106089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project this->server = s; 106289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cv.signal(); 106489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project lock.unlock(); 106589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 106689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 106789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid* audio_track_cblk_t::buffer(uint32_t offset) const 106989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1070c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return (int8_t *)this->buffers + (offset - userBase) * this->frameSize; 107189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 107289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable() 107489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 107589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 107689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return framesAvailable_l(); 107789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 107889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable_l() 108089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 108189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 108289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 108389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (out) { 108589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 108689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return limit + frameCount - u; 108789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 108889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return frameCount + u - s; 108989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 109089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 109189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesReady() 109389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 109489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 109589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 109689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (out) { 109889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u < loopEnd) { 109989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u - s; 110089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 110189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 110289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount >= 0) { 110389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return (loopEnd - loopStart)*loopCount + u - s; 110489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 110589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return UINT_MAX; 110689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 110789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 110889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 110989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return s - u; 111089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 111189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 111289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 111489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 111689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1117