AudioTrack.cpp revision 33005a932c60a0780fe9b7307d5988df3d9f6c26
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/Parcel.h> 367562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/IPCThreadState.h> 3789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Timers.h> 3889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <cutils/atomic.h> 3989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) 4189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) 4289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 4433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 4533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 4633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 4733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 4833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int* frameCount, 4933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int streamType, 5033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 5133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 5233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int afSampleRate; 5333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 5433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 5533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 5633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int afFrameCount; 5733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 5833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 5933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 6133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 6233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 6333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 6533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 6633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 6733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (minBufCount < 2) minBufCount = 2; 6833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 6933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 7033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh afFrameCount * minBufCount * sampleRate / afSampleRate; 7133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 7233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 7589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : mStatus(NO_INIT) 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int streamType, 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int format, 85c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int channels, 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 90be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 91be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : mStatus(NO_INIT) 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 94c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mStatus = set(streamType, sampleRate, format, channels, 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frameCount, flags, cbf, user, notificationFrames, 0); 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int streamType, 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int format, 102c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int channels, 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 107be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 108be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : mStatus(NO_INIT) 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 111c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mStatus = set(streamType, sampleRate, format, channels, 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 0, flags, cbf, user, notificationFrames, sharedBuffer); 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack.clear(); 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int streamType, 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int format, 137c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int channels, 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 144be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 145be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), sharedBuffer->size()); 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1501dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Track already in use"); 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSampleRate; 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t afLatency; 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (streamType == AudioSystem::DEFAULT) { 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project streamType = AudioSystem::MUSIC; 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (format == 0) { 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project format = AudioSystem::PCM_16_BIT; 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 175c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (channels == 0) { 176c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent channels = AudioSystem::CHANNEL_OUT_STEREO; 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 180c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isValidFormat(format)) { 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Invalid format"); 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 184c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 185c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 186c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isLinearPCM(format)) { 187c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent flags |= AudioSystem::OUTPUT_FLAG_DIRECT; 188c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 189c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 190c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isOutputChannel(channels)) { 191c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Invalid channel mask"); 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 194c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channelCount = AudioSystem::popCount(channels); 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 196c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output = AudioSystem::getOutput((AudioSystem::stream_type)streamType, 197c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sampleRate, format, channels, (AudioSystem::output_flags)flags); 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 199c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 200c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Could not get audio output for stream type %d", streamType); 201c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 20534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 206be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = 0; 207d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 208d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 209be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 210be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 21134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 21234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status = createTrack(streamType, sampleRate, format, channelCount, 213d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount, flags, sharedBuffer, output, true); 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 21834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 21989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cbf != 0) { 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread == 0) { 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Could not create callback thread"); 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mFormat = format; 231c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mChannels = channels; 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mChannelCount = channelCount; 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = false; 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mActive = 0; 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf = cbf; 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2402c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 243c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mFlags = flags; 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::initCheck() const 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::latency() const 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::streamType() const 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStreamType; 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::format() const 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 26789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::channelCount() const 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::frameCount() const 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 277d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return mCblk->frameCount; 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::frameSize() const 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 282c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 283c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return channelCount()*((format() == AudioSystem::PCM_8_BIT) ? sizeof(uint8_t) : sizeof(int16_t)); 284c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 285c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return sizeof(uint8_t); 286c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 28789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 29089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 29189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mSharedBuffer; 29289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 29589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 299d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent status_t status; 30089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("start %p", this); 30289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->exitPending()) { 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->requestExitAndWait() == WOULD_BLOCK) { 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioTrack::start called from thread"); 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return; 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_or(1, &mActive) == 0) { 3132b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 3142b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 3152b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent mCblk->waitTimeMs = 0; 3162b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (t != 0) { 3172b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent t->run("AudioTrackThread", THREAD_PRIORITY_AUDIO_CLIENT); 3182b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } else { 3192b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent setpriority(PRIO_PROCESS, 0, THREAD_PRIORITY_AUDIO_CLIENT); 3202b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3212b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 322d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mCblk->flags & CBLK_INVALID_MSK) { 323d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGW("start() track %p invalidated, creating a new one", this); 324d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // no need to clear the invalid flag as this cblk will not be used anymore 325d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // force new track creation 326d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent status = DEAD_OBJECT; 327d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 328d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent status = mAudioTrack->start(); 329d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 33034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status == DEAD_OBJECT) { 33134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGV("start() dead IAudioTrack: creating a new one"); 33234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status = createTrack(mStreamType, mCblk->sampleRate, mFormat, mChannelCount, 333d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount, mFlags, mSharedBuffer, getOutput(), false); 3346100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent if (status == NO_ERROR) { 3356100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent status = mAudioTrack->start(); 3366100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent if (status == NO_ERROR) { 3376100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 3386100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3396100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3402b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3412b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (status != NO_ERROR) { 3422b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent LOGV("start() failed"); 3432b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent android_atomic_and(~1, &mActive); 34434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (t != 0) { 3452b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent t->requestExit(); 34634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 3472b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); 34834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::stop() 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("stop %p", this); 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 3671dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->stop(); 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // would not stop until loopCount reaches 0). 37189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project setLoop(0, 0, 0); 3722c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 3732c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // to activate it again 3742c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // will not stop before end of buffer is reached. 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project flush(); 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 38189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->requestExit(); 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 39389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return !mActive; 39589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("flush"); 400c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4012c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4022c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4032c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4042c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 405c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 40689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!mActive) { 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->flush(); 40989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // in AudioTrack::obtainBuffer() 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->cv.signal(); 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("pause"); 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->pause(); 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::mute(bool e) 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 42589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->mute(e); 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = e; 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::muted() const 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mMuted; 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 434be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 436be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (left > 1.0f || right > 1.0f) { 437be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 438be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 439be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 44089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 44189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // write must be atomic 444be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->volumeLR = (uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000); 445be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 446be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::getVolume(float* left, float* right) 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 451be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (left != NULL) { 452be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *left = mVolume[LEFT]; 453be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 454be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (right != NULL) { 455be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *right = mVolume[RIGHT]; 456be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 457be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 458be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 459be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setSendLevel(float level) 460be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 461be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level > 1.0f) { 462be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 463be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 464be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 465be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 466be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 467be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->sendLevel = uint16_t(level * 0x1000); 468be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 469be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 470be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 471be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 472be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentvoid AudioTrack::getSendLevel(float* level) 473be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 474be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 475be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *level = mSendLevel; 476be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 47789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 479573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurentstatus_t AudioTrack::setSampleRate(int rate) 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSamplingRate; 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 484573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 487573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent if (rate <= 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 489573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mCblk->sampleRate = rate; 490573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::getSampleRate() 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 495573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 49989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = UINT_MAX; 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = UINT_MAX; 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = 0; 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 51189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart >= loopEnd || 513d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent loopEnd - loopStart > cblk->frameCount) { 514d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, user %d", loopStart, loopEnd, loopCount, cblk->frameCount, cblk->user); 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 51789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 518d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if ((mSharedBuffer != 0) && (loopEnd > cblk->frameCount)) { 51989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, framecount %d", 520d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent loopStart, loopEnd, cblk->frameCount); 52189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 522c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 52389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = loopStart; 52589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = loopEnd; 52689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = loopCount; 52789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = loopCount; 52889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 53089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 53189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 53289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getLoop(uint32_t *loopStart, uint32_t *loopEnd, int *loopCount) 53389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 53489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart != 0) { 53589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopStart = mCblk->loopStart; 53689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 53789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopEnd != 0) { 53889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopEnd = mCblk->loopEnd; 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount != 0) { 54189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->loopCount < 0) { 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopCount = -1; 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopCount = mCblk->loopCount; 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 55389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 5562c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 55989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 56389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (marker == 0) return BAD_VALUE; 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 56889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 57189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 57289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 57589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (updatePeriod == 0) return BAD_VALUE; 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(mCblk->lock); 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position > mCblk->user) return BAD_VALUE; 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->server = position; 600d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->flags |= CBLK_FORCEREADY_ON; 601c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position == 0) return BAD_VALUE; 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *position = mCblk->server; 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 617c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project flush(); 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 620d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 625c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 626c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 627c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return AudioSystem::getOutput((AudioSystem::stream_type)mStreamType, 628c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCblk->sampleRate, mFormat, mChannels, (AudioSystem::output_flags)mFlags); 629c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 630c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 631be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentint AudioTrack::getSessionId() 632be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 633be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return mSessionId; 634be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 635be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 636be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 637be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 638be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return mAudioTrack->attachAuxEffect(effectId); 639be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 640be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 64289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurentstatus_t AudioTrack::createTrack( 64434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int streamType, 64534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 64634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int format, 64734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int channelCount, 64834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int frameCount, 64934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t flags, 65034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 651d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent audio_io_handle_t output, 652d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent bool enforceFrameCount) 65334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 65434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 65534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 65634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 65734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGE("Could not get audioflinger"); 65834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 65934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 66034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 661d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int afSampleRate; 662d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 663d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 664d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 665d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int afFrameCount; 666d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 667d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 668d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 669d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 670d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 671d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 672d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 673d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 674d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 675d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (!AudioSystem::isLinearPCM(format)) { 676d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 677d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 678d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 679d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 680d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 681d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 682d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (minBufCount < 2) minBufCount = 2; 683d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 684d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 685d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 686d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer == 0) { 687d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (frameCount == 0) { 688d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = minFrameCount; 689d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 690d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mNotificationFramesAct == 0) { 691d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = frameCount/2; 692d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 693d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Make sure that application is notified with sufficient margin 694d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // before underrun 695d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mNotificationFramesAct > (uint32_t)frameCount/2) { 696d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = frameCount/2; 697d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 698d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (frameCount < minFrameCount) { 699d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (enforceFrameCount) { 700d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGE("Invalid buffer size: minFrameCount %d, frameCount %d", minFrameCount, frameCount); 701d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return BAD_VALUE; 702d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 703d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = minFrameCount; 704d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 705d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 706d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 707d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer alignment matches channelcount 708d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (((uint32_t)sharedBuffer->pointer() & (channelCount | 1)) != 0) { 709d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGE("Invalid buffer alignement: address %p, channelCount %d", sharedBuffer->pointer(), channelCount); 710d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return BAD_VALUE; 711d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 712d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 713d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 714d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 715d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 71634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 71734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent streamType, 71834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 71934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent format, 72034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent channelCount, 72134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 72234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent ((uint16_t)flags) << 16, 72334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 72434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 725be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 72634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 72734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 72834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 72934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGE("AudioFlinger could not create track, status: %d", status); 73034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 73134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 73234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IMemory> cblk = track->getCblk(); 73334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (cblk == 0) { 73434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGE("Could not get control block"); 73534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 73634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 73734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack.clear(); 73834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 73934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory.clear(); 74034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory = cblk; 74134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 742d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->flags |= CBLK_DIRECTION_OUT; 74334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 74434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 74534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 74634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = sharedBuffer->pointer(); 74734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // Force buffer full condition as data is already present in shared memory 748d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 74934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 75034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 751be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->volumeLR = (uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | uint16_t(mVolume[LEFT] * 0x1000); 752be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->sendLevel = uint16_t(mSendLevel * 0x1000); 7536100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 7546100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->waitTimeMs = 0; 755d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 756d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mLatency = afLatency + (1000*mCblk->frameCount) / sampleRate; 75734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 75834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 75934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 76089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 76189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 76289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int active; 76389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t result; 76489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 76589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 7661dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 76789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 76989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 77089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 77189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesAvail = cblk->framesAvailable(); 77289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 77389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesAvail == 0) { 77434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 77589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 77689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesAvail == 0) { 77789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 77889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (UNLIKELY(!active)) { 77989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("Not active and NO_MORE_BUFFERS"); 78034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 78189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 78289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 78334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (UNLIKELY(!waitCount)) { 78434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 78589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 78634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 787d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 788d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 789d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 790d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 791d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGW("obtainBuffer() track %p invalidated, creating a new one", this); 792d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // no need to clear the invalid flag as this cblk will not be used anymore 793d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent cblk->lock.unlock(); 794d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent goto create_new_track; 795d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 796c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (__builtin_expect(result!=NO_ERROR, false)) { 7971dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 79889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 79989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 80089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 80189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->user < cblk->loopEnd) { 80289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW( "obtainBuffer timed out (is the CPU pegged?) %p " 80389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "user=%08x, server=%08x", this, cblk->user, cblk->server); 804c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 80589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.unlock(); 80634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent result = mAudioTrack->start(); 80734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 80834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGW("obtainBuffer() dead IAudioTrack: creating a new one"); 809d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurentcreate_new_track: 81034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent result = createTrack(mStreamType, cblk->sampleRate, mFormat, mChannelCount, 811d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount, mFlags, mSharedBuffer, getOutput(), false); 81234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == NO_ERROR) { 81334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk = mCblk; 81434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 8156100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mAudioTrack->start(); 81634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 81734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 81889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.lock(); 81989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 82089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 82189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 822c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 82389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 82434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 82589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 82689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 82789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 82889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 82989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 83089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesAvail = cblk->framesAvailable_l(); 83189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 83234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 83389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 83489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 83589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 836c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 83789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesAvail) { 83889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesAvail; 83989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 84089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 84289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 84389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u + framesReq > bufferEnd) { 84589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 84689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 84789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 848c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->flags = mMuted ? Buffer::MUTE : 0; 849c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->channelCount = mChannelCount; 850c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->frameCount = framesReq; 851c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->size = framesReq * cblk->frameSize; 852c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 853c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->format = AudioSystem::PCM_16_BIT; 854c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 855c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->format = mFormat; 856c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 857c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->raw = (int8_t *)cblk->buffer(u); 85889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 85989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 86089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 86189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 86289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 86389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 86489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 86589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->stepUser(audioBuffer->frameCount); 86689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 86789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 86889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 86989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 87089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 87189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 87289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 87389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 87489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 87589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 87689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // sanity-check. user is most-likely passing an error code. 87789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 87889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 87989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 88089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 88189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 88289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 88389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 88489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t written = 0; 88589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 88689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 88789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 88889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 889c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = userSize/frameSize(); 890c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 89189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Calling obtainBuffer() with a negative wait count causes 89289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // an (almost) infinite wait time. 89389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 89489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 89589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 89689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 89789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 89889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 89989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 90089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 90189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 902c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 9033302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 90489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 90589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size>>1; 90689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // 8 to 16 bit conversion 90789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int count = toWrite; 90889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int16_t *dst = (int16_t *)(audioBuffer.i8); 90989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while(count--) { 91089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *dst++ = (int16_t)(*src++^0x80) << 8; 91189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 9123302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 91389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 91489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 91589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project src += toWrite; 91689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 91789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 91889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 91989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 92189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while (userSize); 92289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 92489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 92589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 92789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 92989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 93089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 93189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames; 93289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t writtenSize; 93389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage underrun callback 93589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mActive && (mCblk->framesReady() == 0)) { 936d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGV("Underrun user: %x, server: %x, flags %04x", mCblk->user, mCblk->server, mCblk->flags); 937d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if ((mCblk->flags & CBLK_UNDERRUN_MSK) == CBLK_UNDERRUN_OFF) { 93889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 93989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->server == mCblk->frameCount) { 940c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 94189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 942d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->flags |= CBLK_UNDERRUN_ON; 94389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return false; 94489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 94589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 946c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 94789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage loop end callback 94889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (mLoopCount > mCblk->loopCount) { 94989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int loopCount = -1; 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount--; 95189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 95289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 95589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 9572c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 95889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->server >= mMarkerPosition) { 95989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 9602c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = true; 96189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 96289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 96389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 965c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mUpdatePeriod > 0) { 96689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (mCblk->server >= mNewPosition) { 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 96889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 96989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 97089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 97189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If Shared buffer is used, no data is requested from client. 97389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 97489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = 0; 97589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 97689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = mRemainingFrames; 97789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 98089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 982c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 983c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Calling obtainBuffer() with a wait count of 1 984c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // limits wait time to WAIT_PERIOD_MS. This prevents from being 985c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // stuck here not being able to handle timed events (position, markers, loops). 98689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, 1); 98789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 98889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 9891dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent LOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 99089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 99189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 99289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 99389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 99489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 99589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 99689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 99789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 99889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 9993302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 100089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 100189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 100489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 100589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize = audioBuffer.size; 100689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 10088555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 10098555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 10108555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 10118555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 10128555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 10138555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 10148555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project break; 10158555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project } 101689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 101789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10183302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // 8 to 16 bit conversion 102089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = audioBuffer.i8 + writtenSize-1; 102189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int count = writtenSize; 102289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int16_t *dst = audioBuffer.i16 + writtenSize-1; 102389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while(count--) { 102489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *dst-- = (int16_t)(*src--^0x80) << 8; 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize <<= 1; 102789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = writtenSize; 1030c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // NOTE: mCblk->frameSize is not equal to AudioTrack::frameSize() for 1031c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 8 bit PCM data: in this case, mCblk->frameSize is based on a sampel size of 1032c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 16 bit. 1033c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = writtenSize/mCblk->frameSize; 1034c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 103589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 103689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 103789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 103889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 103989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (frames); 104089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 104189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 1042d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 104389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 104489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 104589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 104689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 104789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 104889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 104989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 105089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 105189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 105389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 105489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 105589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]); 105889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1059d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mCblk->frameCount); 106089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1061573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent snprintf(buffer, 255, " sample rate(%d), status(%d), muted(%d)\n", (mCblk == 0) ? 0 : mCblk->sampleRate, mStatus, mMuted); 106289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 106389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 106489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 106589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 106689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 106789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 106889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 107089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 107289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : Thread(bCanCallJava), mReceiver(receiver) 107389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 107489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 107589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 107789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 107889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mReceiver.processAudioBuffer(this); 107989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 108089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::AudioTrackThread::readyToRun() 108289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 108389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 108489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 108589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::AudioTrackThread::onFirstRef() 108789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 108889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 108989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 109189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 109354b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian : lock(Mutex::SHARED), cv(Condition::SHARED), user(0), server(0), 109454b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian userBase(0), serverBase(0), buffers(0), frameCount(0), 109554b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), volumeLR(0), 1096be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent flags(0), sendLevel(0) 109789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 109889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 109989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) 110189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 110289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 110389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u += frameCount; 110589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 1106d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 110789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 110889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 110989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 111089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 111189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else if (u > this->server) { 111289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("stepServer occured after track reset"); 111389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u = this->server; 111489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 111589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u >= userBase + this->frameCount) { 111789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userBase += this->frameCount; 111889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 111989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project this->user = u; 112189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 1123d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent flags &= ~CBLK_UNDERRUN_MSK; 112489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u; 112689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 112789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool audio_track_cblk_t::stepServer(uint32_t frameCount) 112989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 113089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // the code below simulates lock-with-timeout 113189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we MUST do this to protect the AudioFlinger server 113289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // as this lock is shared with the client. 113389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err; 113489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 113589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project err = lock.tryLock(); 113689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == -EBUSY) { // just wait a bit 113789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project usleep(1000); 113889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project err = lock.tryLock(); 113989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 114089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != NO_ERROR) { 114189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // probably, the client just died. 114289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 114389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 114489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 114589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 114689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 114789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s += frameCount; 1148d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 114989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 115089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we switch to normal obtainBuffer() timeout period 115189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 115234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS - 1; 1153c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 115489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // It is possible that we receive a flush() 115589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // while the mixer is processing a block: in this case, 115689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 115789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we have s > u 115889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s > this->user) { 115989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("stepServer occured after track reset"); 116089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = this->user; 116189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 116289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 116389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 116489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= loopEnd) { 116589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 116689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = loopStart; 116789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--loopCount == 0) { 116889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd = UINT_MAX; 116989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart = UINT_MAX; 117089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 117189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 117289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= serverBase + this->frameCount) { 117389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project serverBase += this->frameCount; 117489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 117589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 117689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project this->server = s; 117789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 117889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cv.signal(); 117989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project lock.unlock(); 118089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 118189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 118289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 118389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid* audio_track_cblk_t::buffer(uint32_t offset) const 118489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1185c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return (int8_t *)this->buffers + (offset - userBase) * this->frameSize; 118689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 118789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 118889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable() 118989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 119089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 119189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return framesAvailable_l(); 119289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 119389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 119489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable_l() 119589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 119689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 119789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 119889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1199d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 120089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 120189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return limit + frameCount - u; 120289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 120389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return frameCount + u - s; 120489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 120589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 120689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 120789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesReady() 120889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 120989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 121089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 121189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1212d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 121389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u < loopEnd) { 121489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u - s; 121589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 121689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 121789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount >= 0) { 121889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return (loopEnd - loopStart)*loopCount + u - s; 121989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 122089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return UINT_MAX; 122189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 122289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 122389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 122489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return s - u; 122589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 122689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 122789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 122889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 122989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 123189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1232