AudioTrack.cpp revision c2f1f07084818942352c6bbfb36af9b6b330eb4e
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 const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (audioFlinger == 0) { 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Could not get audioflinger"); 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSampleRate; 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afFrameCount; 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t afLatency; 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (streamType == AudioSystem::DEFAULT) { 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project streamType = AudioSystem::MUSIC; 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (format == 0) { 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project format = AudioSystem::PCM_16_BIT; 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 154c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (channels == 0) { 155c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent channels = AudioSystem::CHANNEL_OUT_STEREO; 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 159c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isValidFormat(format)) { 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Invalid format"); 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 163c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 164c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 165c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isLinearPCM(format)) { 166c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent flags |= AudioSystem::OUTPUT_FLAG_DIRECT; 167c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 168c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 169c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isOutputChannel(channels)) { 170c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Invalid channel mask"); 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 173c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channelCount = AudioSystem::popCount(channels); 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 175c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output = AudioSystem::getOutput((AudioSystem::stream_type)streamType, 176c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sampleRate, format, channels, (AudioSystem::output_flags)flags); 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 178c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 179c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Could not get audio output for stream type %d", streamType); 180c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 183c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isLinearPCM(format)) { 184c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (sharedBuffer != 0) { 185c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent frameCount = sharedBuffer->size(); 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 188c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Ensure that buffer depth covers at least audio hardware latency 189c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 190c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (minBufCount < 2) minBufCount = 2; 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 192c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 193c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 194c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (sharedBuffer == 0) { 195c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (frameCount == 0) { 196c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent frameCount = minFrameCount; 197c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 198c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (notificationFrames == 0) { 199c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent notificationFrames = frameCount/2; 200c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 201c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Make sure that application is notified with sufficient margin 202c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // before underrun 203c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (notificationFrames > frameCount/2) { 204c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent notificationFrames = frameCount/2; 205c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 206c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (frameCount < minFrameCount) { 207c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Invalid buffer size: minFrameCount %d, frameCount %d", minFrameCount, frameCount); 208c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 209c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 210c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 211c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Ensure that buffer alignment matches channelcount 212c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (((uint32_t)sharedBuffer->pointer() & (channelCount | 1)) != 0) { 213c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Invalid buffer alignement: address %p, channelCount %d", sharedBuffer->pointer(), channelCount); 214c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 215c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 216c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 217c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 21989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // create the track 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t status; 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 223c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent streamType, 224c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sampleRate, 225c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent format, 226c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent channelCount, 227c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent frameCount, 228c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ((uint16_t)flags) << 16, 229c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sharedBuffer, 230c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent output, 231c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent &status); 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (track == 0) { 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioFlinger could not create track, status: %d", status); 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IMemory> cblk = track->getCblk(); 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk == 0) { 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Could not get control block"); 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cbf != 0) { 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread == 0) { 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Could not create callback thread"); 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack = track; 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblkMemory = cblk; 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->out = 1; 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Update buffer size in case it has been limited by AudioFlinger during track creation 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mFrameCount = mCblk->frameCount; 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sharedBuffer == 0) { 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->buffers = sharedBuffer->pointer(); 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force buffer full condition as data is already present in shared memory 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->stepUser(mFrameCount); 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->volume[0] = mCblk->volume[1] = 0x1000; 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = 1.0f; 26789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = 1.0f; 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mFormat = format; 270c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mChannels = channels; 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mChannelCount = channelCount; 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = false; 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mActive = 0; 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf = cbf; 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNotificationFrames = notificationFrames; 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = notificationFrames; 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 279573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mLatency = afLatency + (1000*mFrameCount) / sampleRate; 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2822c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 285c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mFlags = flags; 28689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::initCheck() const 29189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 29289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 29389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 29689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::latency() const 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 29989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 30089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 30189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::streamType() const 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStreamType; 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::format() const 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::channelCount() const 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::frameCount() const 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFrameCount; 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::frameSize() const 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 324c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 325c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return channelCount()*((format() == AudioSystem::PCM_8_BIT) ? sizeof(uint8_t) : sizeof(int16_t)); 326c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 327c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return sizeof(uint8_t); 328c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mSharedBuffer; 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 34089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("start %p", this); 34389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->exitPending()) { 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->requestExitAndWait() == WOULD_BLOCK) { 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioTrack::start called from thread"); 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return; 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_or(1, &mActive) == 0) { 354c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::startOutput(getOutput(), (AudioSystem::stream_type)mStreamType); 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = mCblk->server + mUpdatePeriod; 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->waitTimeMs = 0; 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->run("AudioTrackThread", THREAD_PRIORITY_AUDIO_CLIENT); 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project setpriority(PRIO_PROCESS, 0, THREAD_PRIORITY_AUDIO_CLIENT); 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->start(); 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::stop() 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("stop %p", this); 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 3811dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->stop(); 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // would not stop until loopCount reaches 0). 38589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project setLoop(0, 0, 0); 3862c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 3872c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // to activate it again 3882c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // will not stop before end of buffer is reached. 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project flush(); 39389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 39589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->requestExit(); 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 39789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 399c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::stopOutput(getOutput(), (AudioSystem::stream_type)mStreamType); 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 40489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 40589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 40989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return !mActive; 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("flush"); 415c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4162c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4172c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4182c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4192c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 420c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!mActive) { 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->flush(); 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 42589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // in AudioTrack::obtainBuffer() 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->cv.signal(); 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("pause"); 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mActive = 0; 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->pause(); 436c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::stopOutput(getOutput(), (AudioSystem::stream_type)mStreamType); 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::mute(bool e) 44189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->mute(e); 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = e; 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 44589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::muted() const 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mMuted; 44989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::setVolume(float left, float right) 45289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 45389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 45489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 45589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // write must be atomic 45789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->volumeLR = (int32_t(int16_t(left * 0x1000)) << 16) | int16_t(right * 0x1000); 45889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::getVolume(float* left, float* right) 46189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 46289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *left = mVolume[LEFT]; 46389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *right = mVolume[RIGHT]; 46489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 46589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 466573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurentstatus_t AudioTrack::setSampleRate(int rate) 46789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 46889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSamplingRate; 46989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 471573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 47289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 47389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 474573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent if (rate <= 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 476573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mCblk->sampleRate = rate; 477573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 47889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::getSampleRate() 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 482573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 48389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = UINT_MAX; 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = UINT_MAX; 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = 0; 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart >= loopEnd || 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd - loopStart > mFrameCount) { 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, user %d", loopStart, loopEnd, loopCount, mFrameCount, cblk->user); 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if ((mSharedBuffer != 0) && (loopEnd > mFrameCount)) { 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, framecount %d", 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart, loopEnd, mFrameCount); 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 509c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = loopStart; 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = loopEnd; 51389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = loopCount; 51489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = loopCount; 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 51789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getLoop(uint32_t *loopStart, uint32_t *loopEnd, int *loopCount) 52089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 52189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart != 0) { 52289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopStart = mCblk->loopStart; 52389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 52489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopEnd != 0) { 52589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopEnd = mCblk->loopEnd; 52689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 52789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount != 0) { 52889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->loopCount < 0) { 52989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopCount = -1; 53089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 53189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopCount = mCblk->loopCount; 53289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 53389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 53489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 53589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 53689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 53789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 53889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 54089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 54189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 5432c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (marker == 0) return BAD_VALUE; 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 55389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 55889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 55989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 56089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 56389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 56589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) 57089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 57189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (updatePeriod == 0) return BAD_VALUE; 57289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 57989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(mCblk->lock); 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position > mCblk->user) return BAD_VALUE; 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->server = position; 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->forceReady = 1; 588c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position == 0) return BAD_VALUE; 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *position = mCblk->server; 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 59989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 60089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 604c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project flush(); 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->stepUser(mFrameCount); 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 612c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 613c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 614c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return AudioSystem::getOutput((AudioSystem::stream_type)mStreamType, 615c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCblk->sampleRate, mFormat, mChannels, (AudioSystem::output_flags)mFlags); 616c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 617c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int active; 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int timeout = 0; 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t result; 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 6271dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesAvail = cblk->framesAvailable(); 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesAvail == 0) { 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesAvail == 0) { 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (UNLIKELY(!active)) { 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("Not active and NO_MORE_BUFFERS"); 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 64289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (UNLIKELY(!waitCount)) 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project timeout = 0; 6461dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 647c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (__builtin_expect(result!=NO_ERROR, false)) { 6481dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 65289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->user < cblk->loopEnd) { 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW( "obtainBuffer timed out (is the CPU pegged?) %p " 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "user=%08x, server=%08x", this, cblk->user, cblk->server); 655c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.unlock(); 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->start(); 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.lock(); 65989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project timeout = 1; 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 663c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 66489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesAvail = cblk->framesAvailable_l(); 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 675c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 67689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesAvail) { 67789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesAvail; 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 68289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u + framesReq > bufferEnd) { 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW_IF(timeout, 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "*** SERIOUS WARNING *** obtainBuffer() timed out " 68989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "but didn't need to be locked. We recovered, but " 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "this shouldn't happen (user=%08x, server=%08x)", cblk->user, cblk->server); 69189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 692c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->flags = mMuted ? Buffer::MUTE : 0; 693c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->channelCount = mChannelCount; 694c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->frameCount = framesReq; 695c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->size = framesReq * cblk->frameSize; 696c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 697c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->format = AudioSystem::PCM_16_BIT; 698c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 699c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->format = mFormat; 700c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 701c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->raw = (int8_t *)cblk->buffer(u); 70289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 70389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 70489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 70889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->stepUser(audioBuffer->frameCount); 71089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 71389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 71689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // sanity-check. user is most-likely passing an error code. 72189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 72389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 72489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 72589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 72789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t written = 0; 72989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 73089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 73189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 73289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 733c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = userSize/frameSize(); 734c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 73589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Calling obtainBuffer() with a negative wait count causes 73689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // an (almost) infinite wait time. 73789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 73889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 73989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 74089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 74189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 74289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 74389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 74489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 746c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 74789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mFormat == AudioSystem::PCM_8_BIT) { 74889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 74989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size>>1; 75089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // 8 to 16 bit conversion 75189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int count = toWrite; 75289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int16_t *dst = (int16_t *)(audioBuffer.i8); 75389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while(count--) { 75489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *dst++ = (int16_t)(*src++^0x80) << 8; 75589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 75689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project }else { 75789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 75889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 75989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project src += toWrite; 76089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 76189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 76289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 76389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 76589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while (userSize); 76689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 76889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 76989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 77089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 77189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 77289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 77389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 77489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 77589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames; 77689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t writtenSize; 77789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 77889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage underrun callback 77989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mActive && (mCblk->framesReady() == 0)) { 78089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("Underrun user: %x, server: %x, flowControlFlag %d", mCblk->user, mCblk->server, mCblk->flowControlFlag); 78189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->flowControlFlag == 0) { 78289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 78389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->server == mCblk->frameCount) { 784c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 78589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 78689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->flowControlFlag = 1; 78789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return false; 78889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 78989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 790c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 79189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage loop end callback 79289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (mLoopCount > mCblk->loopCount) { 79389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int loopCount = -1; 79489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount--; 79589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 79689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 79789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 79889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 79989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 80089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 8012c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 80289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->server >= mMarkerPosition) { 80389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 8042c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = true; 80589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 80689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 80789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 80889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 809c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mUpdatePeriod > 0) { 81089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (mCblk->server >= mNewPosition) { 81189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 81289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 81389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 81489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 81589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If Shared buffer is used, no data is requested from client. 81789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 81889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = 0; 81989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 82089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = mRemainingFrames; 82189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 82289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 82389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 82489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 82589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 826c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 827c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Calling obtainBuffer() with a wait count of 1 828c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // limits wait time to WAIT_PERIOD_MS. This prevents from being 829c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // stuck here not being able to handle timed events (position, markers, loops). 83089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, 1); 83189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 83289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 8331dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent LOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 83489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 83589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 83689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 83789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 83889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 83989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 84189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 84289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 84389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mFormat == AudioSystem::PCM_8_BIT) { 84489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 84589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 84689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 84889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 84989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize = audioBuffer.size; 85089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 85189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 8528555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 8538555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 8548555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 8558555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 8568555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 8578555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 8588555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project break; 8598555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project } 86089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 86189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 86289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mFormat == AudioSystem::PCM_8_BIT) { 86389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // 8 to 16 bit conversion 86489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = audioBuffer.i8 + writtenSize-1; 86589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int count = writtenSize; 86689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int16_t *dst = audioBuffer.i16 + writtenSize-1; 86789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while(count--) { 86889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *dst-- = (int16_t)(*src--^0x80) << 8; 86989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 87089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize <<= 1; 87189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 87289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 87389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = writtenSize; 874c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // NOTE: mCblk->frameSize is not equal to AudioTrack::frameSize() for 875c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 8 bit PCM data: in this case, mCblk->frameSize is based on a sampel size of 876c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 16 bit. 877c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = writtenSize/mCblk->frameSize; 878c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 87989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 88089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 88189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 88289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 88389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (frames); 88489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 88589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 88689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = mNotificationFrames; 88789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 88889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 88989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 89089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 89189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 89289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 89489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 89589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 89789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 89889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 89989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 90089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 90189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]); 90289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 90389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mFrameCount); 90489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 905573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent snprintf(buffer, 255, " sample rate(%d), status(%d), muted(%d)\n", (mCblk == 0) ? 0 : mCblk->sampleRate, mStatus, mMuted); 90689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 90789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 90889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 90989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 91089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 91189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 91289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 91389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 91489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 91589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 91689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : Thread(bCanCallJava), mReceiver(receiver) 91789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 91889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 91989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 92189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 92289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mReceiver.processAudioBuffer(this); 92389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 92489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::AudioTrackThread::readyToRun() 92689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 92789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 92889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 92989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::AudioTrackThread::onFirstRef() 93189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 93289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 93389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 93589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 937b07c28b90b2d2793be2b8878d813b607f3eebbb7Mathias Agopian : lock(Mutex::SHARED), user(0), server(0), userBase(0), serverBase(0), buffers(0), frameCount(0), 93889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), volumeLR(0), flowControlFlag(1), forceReady(0) 93989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 94089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 94189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 94289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) 94389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 94489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 94589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 94689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u += frameCount; 94789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 94889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (out) { 94989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 95189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 95289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 95389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else if (u > this->server) { 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("stepServer occured after track reset"); 95589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u = this->server; 95689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 95789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u >= userBase + this->frameCount) { 95989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userBase += this->frameCount; 96089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 96189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project this->user = u; 96389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 96589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project flowControlFlag = 0; 96689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u; 96889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 96989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool audio_track_cblk_t::stepServer(uint32_t frameCount) 97189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 97289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // the code below simulates lock-with-timeout 97389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we MUST do this to protect the AudioFlinger server 97489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // as this lock is shared with the client. 97589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err; 97689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project err = lock.tryLock(); 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == -EBUSY) { // just wait a bit 97989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project usleep(1000); 98089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project err = lock.tryLock(); 98189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 98289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != NO_ERROR) { 98389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // probably, the client just died. 98489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 98589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 98689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 98889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s += frameCount; 99089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (out) { 99189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 99289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we switch to normal obtainBuffer() timeout period 99389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 99489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS - 1; 995c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 99689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // It is possible that we receive a flush() 99789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // while the mixer is processing a block: in this case, 99889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 99989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we have s > u 100089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s > this->user) { 100189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("stepServer occured after track reset"); 100289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = this->user; 100389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= loopEnd) { 100789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 100889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = loopStart; 100989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--loopCount == 0) { 101089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd = UINT_MAX; 101189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart = UINT_MAX; 101289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 101389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 101489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= serverBase + this->frameCount) { 101589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project serverBase += this->frameCount; 101689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 101789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project this->server = s; 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cv.signal(); 102189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project lock.unlock(); 102289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 102389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 102489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid* audio_track_cblk_t::buffer(uint32_t offset) const 102689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1027c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return (int8_t *)this->buffers + (offset - userBase) * this->frameSize; 102889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 102989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 103089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable() 103189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 103289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 103389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return framesAvailable_l(); 103489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 103589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 103689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable_l() 103789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 103889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 103989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 104089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 104189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (out) { 104289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 104389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return limit + frameCount - u; 104489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 104589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return frameCount + u - s; 104689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 104789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 104889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 104989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesReady() 105089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 105189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 105289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 105389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (out) { 105589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u < loopEnd) { 105689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u - s; 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 105889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 105989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount >= 0) { 106089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return (loopEnd - loopStart)*loopCount + u - s; 106189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 106289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return UINT_MAX; 106389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 106489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 106589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 106689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return s - u; 106789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 106889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 106989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 107189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 107389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1074