AudioTrack.cpp revision 2beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1
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, 95a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 96a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent 0, false, sessionId); 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int streamType, 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int format, 103c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int channels, 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 108be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 109be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : mStatus(NO_INIT) 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 112c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mStatus = set(streamType, sampleRate, format, channels, 113a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent 0, flags, cbf, user, notificationFrames, 114a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent sharedBuffer, false, sessionId); 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack.clear(); 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int streamType, 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int format, 139c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int channels, 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 146be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 147be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), sharedBuffer->size()); 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1521dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Track already in use"); 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSampleRate; 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t afLatency; 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (streamType == AudioSystem::DEFAULT) { 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project streamType = AudioSystem::MUSIC; 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (format == 0) { 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project format = AudioSystem::PCM_16_BIT; 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 177c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (channels == 0) { 178c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent channels = AudioSystem::CHANNEL_OUT_STEREO; 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 182c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isValidFormat(format)) { 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Invalid format"); 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 186c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 187c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 188c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isLinearPCM(format)) { 189c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent flags |= AudioSystem::OUTPUT_FLAG_DIRECT; 190c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 191c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 192c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isOutputChannel(channels)) { 193c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Invalid channel mask"); 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 196c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channelCount = AudioSystem::popCount(channels); 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 198c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output = AudioSystem::getOutput((AudioSystem::stream_type)streamType, 199c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sampleRate, format, channels, (AudioSystem::output_flags)flags); 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 201c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 202c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Could not get audio output for stream type %d", streamType); 203c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 20734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 208be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = 0; 209d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 210d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 211be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 2122beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 213be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 21434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 21534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status = createTrack(streamType, sampleRate, format, channelCount, 216d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount, flags, sharedBuffer, output, true); 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 21989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cbf != 0) { 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread == 0) { 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Could not create callback thread"); 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mFormat = format; 234c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mChannels = channels; 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mChannelCount = channelCount; 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = false; 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mActive = 0; 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf = cbf; 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2432c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 246c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mFlags = flags; 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::initCheck() const 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::latency() const 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::streamType() const 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStreamType; 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::format() const 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::channelCount() const 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::frameCount() const 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 280d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return mCblk->frameCount; 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::frameSize() const 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 285c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 286c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return channelCount()*((format() == AudioSystem::PCM_8_BIT) ? sizeof(uint8_t) : sizeof(int16_t)); 287c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 288c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return sizeof(uint8_t); 289c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 29089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 29389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 29489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mSharedBuffer; 29589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 30089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 30189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 302d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent status_t status; 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("start %p", this); 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->exitPending()) { 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->requestExitAndWait() == WOULD_BLOCK) { 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioTrack::start called from thread"); 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return; 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_or(1, &mActive) == 0) { 3162b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 3172b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 3182b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent mCblk->waitTimeMs = 0; 3192b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (t != 0) { 3202b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent t->run("AudioTrackThread", THREAD_PRIORITY_AUDIO_CLIENT); 3212b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } else { 3222b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent setpriority(PRIO_PROCESS, 0, THREAD_PRIORITY_AUDIO_CLIENT); 3232b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3242b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 325d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mCblk->flags & CBLK_INVALID_MSK) { 326d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGW("start() track %p invalidated, creating a new one", this); 327d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // no need to clear the invalid flag as this cblk will not be used anymore 328d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // force new track creation 329d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent status = DEAD_OBJECT; 330d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 331d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent status = mAudioTrack->start(); 332d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 33334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status == DEAD_OBJECT) { 33434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGV("start() dead IAudioTrack: creating a new one"); 33534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status = createTrack(mStreamType, mCblk->sampleRate, mFormat, mChannelCount, 336d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount, mFlags, mSharedBuffer, getOutput(), false); 3376100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent if (status == NO_ERROR) { 3386100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent status = mAudioTrack->start(); 3396100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent if (status == NO_ERROR) { 3406100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 3416100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3426100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3432b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3442b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (status != NO_ERROR) { 3452b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent LOGV("start() failed"); 3462b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent android_atomic_and(~1, &mActive); 34734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (t != 0) { 3482b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent t->requestExit(); 34934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 3502b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); 35134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::stop() 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("stop %p", this); 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 3701dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 37189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->stop(); 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // would not stop until loopCount reaches 0). 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project setLoop(0, 0, 0); 3752c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 3762c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // to activate it again 3772c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // will not stop before end of buffer is reached. 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 38189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project flush(); 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->requestExit(); 38589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 39389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 39789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return !mActive; 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("flush"); 403c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4042c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4052c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4062c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4072c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 408c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 40989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!mActive) { 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->flush(); 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // in AudioTrack::obtainBuffer() 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->cv.signal(); 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("pause"); 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->pause(); 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::mute(bool e) 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->mute(e); 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = e; 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::muted() const 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mMuted; 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 437be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 439be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (left > 1.0f || right > 1.0f) { 440be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 441be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 442be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 44589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // write must be atomic 447be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->volumeLR = (uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000); 448be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 449be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::getVolume(float* left, float* right) 45389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 454be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (left != NULL) { 455be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *left = mVolume[LEFT]; 456be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 457be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (right != NULL) { 458be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *right = mVolume[RIGHT]; 459be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 460be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 461be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 4622beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 463be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 4642beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent LOGV("setAuxEffectSendLevel(%f)", level); 465be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level > 1.0f) { 466be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 467be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 468be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 469be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 470be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 471be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->sendLevel = uint16_t(level * 0x1000); 472be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 473be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 474be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 475be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 4762beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentvoid AudioTrack::getAuxEffectSendLevel(float* level) 477be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 478be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 479be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *level = mSendLevel; 480be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 483573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurentstatus_t AudioTrack::setSampleRate(int rate) 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSamplingRate; 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 488573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 491573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent if (rate <= 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 493573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mCblk->sampleRate = rate; 494573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::getSampleRate() 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 499573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = UINT_MAX; 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = UINT_MAX; 51189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = 0; 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 51389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 51489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart >= loopEnd || 517d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent loopEnd - loopStart > cblk->frameCount) { 518d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, user %d", loopStart, loopEnd, loopCount, cblk->frameCount, cblk->user); 51989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 52089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 52189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 522d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if ((mSharedBuffer != 0) && (loopEnd > cblk->frameCount)) { 52389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, framecount %d", 524d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent loopStart, loopEnd, cblk->frameCount); 52589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 526c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 52789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = loopStart; 52989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = loopEnd; 53089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = loopCount; 53189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = loopCount; 53289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 53389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 53489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 53589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 53689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getLoop(uint32_t *loopStart, uint32_t *loopEnd, int *loopCount) 53789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 53889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart != 0) { 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopStart = mCblk->loopStart; 54089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopEnd != 0) { 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopEnd = mCblk->loopEnd; 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount != 0) { 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->loopCount < 0) { 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopCount = -1; 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopCount = mCblk->loopCount; 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 55389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 55689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 55889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 5602c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 56389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (marker == 0) return BAD_VALUE; 56889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 57089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 57289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 57589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 57989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 58289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (updatePeriod == 0) return BAD_VALUE; 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(mCblk->lock); 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 60089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position > mCblk->user) return BAD_VALUE; 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->server = position; 604d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->flags |= CBLK_FORCEREADY_ON; 605c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position == 0) return BAD_VALUE; 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *position = mCblk->server; 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 621c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project flush(); 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 624d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 629c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 630c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 631c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return AudioSystem::getOutput((AudioSystem::stream_type)mStreamType, 632c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCblk->sampleRate, mFormat, mChannels, (AudioSystem::output_flags)mFlags); 633c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 634c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 635be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentint AudioTrack::getSessionId() 636be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 637be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return mSessionId; 638be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 639be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 640be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 641be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 6422beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent LOGV("attachAuxEffect(%d)", effectId); 6432beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 6442beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 6452beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 6462beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 6472beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 648be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 649be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurentstatus_t AudioTrack::createTrack( 65334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int streamType, 65434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 65534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int format, 65634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int channelCount, 65734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int frameCount, 65834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t flags, 65934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 660d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent audio_io_handle_t output, 661d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent bool enforceFrameCount) 66234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 66334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 66434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 66534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 66634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGE("Could not get audioflinger"); 66734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 66834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 66934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 670d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int afSampleRate; 671d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 672d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 673d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 674d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int afFrameCount; 675d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 676d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 677d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 678d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 679d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 680d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 681d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 682d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 683d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 684d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (!AudioSystem::isLinearPCM(format)) { 685d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 686d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 687d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 688d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 689d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 690d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 691d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (minBufCount < 2) minBufCount = 2; 692d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 693d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 694d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 695d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer == 0) { 696d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (frameCount == 0) { 697d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = minFrameCount; 698d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 699d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mNotificationFramesAct == 0) { 700d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = frameCount/2; 701d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 702d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Make sure that application is notified with sufficient margin 703d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // before underrun 704d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mNotificationFramesAct > (uint32_t)frameCount/2) { 705d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = frameCount/2; 706d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 707d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (frameCount < minFrameCount) { 708d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (enforceFrameCount) { 709d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGE("Invalid buffer size: minFrameCount %d, frameCount %d", minFrameCount, frameCount); 710d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return BAD_VALUE; 711d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 712d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = minFrameCount; 713d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 714d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 715d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 716d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer alignment matches channelcount 717d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (((uint32_t)sharedBuffer->pointer() & (channelCount | 1)) != 0) { 718d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGE("Invalid buffer alignement: address %p, channelCount %d", sharedBuffer->pointer(), channelCount); 719d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return BAD_VALUE; 720d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 721d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 722d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 723d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 724d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 72534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 72634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent streamType, 72734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 72834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent format, 72934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent channelCount, 73034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 73134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent ((uint16_t)flags) << 16, 73234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 73334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 734be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 73534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 73634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 73734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 73834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGE("AudioFlinger could not create track, status: %d", status); 73934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 74034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 74134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IMemory> cblk = track->getCblk(); 74234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (cblk == 0) { 74334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGE("Could not get control block"); 74434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 74534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 74634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack.clear(); 74734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 74834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory.clear(); 74934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory = cblk; 75034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 751d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->flags |= CBLK_DIRECTION_OUT; 75234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 75334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 75434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 75534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = sharedBuffer->pointer(); 75634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // Force buffer full condition as data is already present in shared memory 757d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 75834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 75934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 760be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->volumeLR = (uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | uint16_t(mVolume[LEFT] * 0x1000); 761be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->sendLevel = uint16_t(mSendLevel * 0x1000); 7622beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 7636100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 7646100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->waitTimeMs = 0; 765d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 766d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mLatency = afLatency + (1000*mCblk->frameCount) / sampleRate; 76734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 76834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 76934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 77089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 77189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 77289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int active; 77389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t result; 77489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 77589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 7761dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 77789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 77889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 77989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 78089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 78189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesAvail = cblk->framesAvailable(); 78289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 78389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesAvail == 0) { 78434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 78589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 78689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesAvail == 0) { 78789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 78889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (UNLIKELY(!active)) { 78989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("Not active and NO_MORE_BUFFERS"); 79034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 79189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 79289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 79334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (UNLIKELY(!waitCount)) { 79434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 79589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 79634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 797d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 798d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 799d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 800d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 801d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGW("obtainBuffer() track %p invalidated, creating a new one", this); 802d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // no need to clear the invalid flag as this cblk will not be used anymore 803d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent cblk->lock.unlock(); 804d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent goto create_new_track; 805d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 806c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (__builtin_expect(result!=NO_ERROR, false)) { 8071dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 80889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 80989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 81089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 81189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->user < cblk->loopEnd) { 81289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW( "obtainBuffer timed out (is the CPU pegged?) %p " 81389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "user=%08x, server=%08x", this, cblk->user, cblk->server); 814c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 81589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.unlock(); 81634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent result = mAudioTrack->start(); 81734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 81834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGW("obtainBuffer() dead IAudioTrack: creating a new one"); 819d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurentcreate_new_track: 82034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent result = createTrack(mStreamType, cblk->sampleRate, mFormat, mChannelCount, 821d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount, mFlags, mSharedBuffer, getOutput(), false); 82234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == NO_ERROR) { 82334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk = mCblk; 82434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 8256100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mAudioTrack->start(); 82634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 82734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 82889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.lock(); 82989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 83089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 83189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 832c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 83389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 83434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 83589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 83689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 83789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 83889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 83989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 84089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesAvail = cblk->framesAvailable_l(); 84189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 84234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 84389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 84489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 846c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 84789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesAvail) { 84889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesAvail; 84989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 85089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 85189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 85289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 85389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 85489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u + framesReq > bufferEnd) { 85589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 85689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 85789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 858c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->flags = mMuted ? Buffer::MUTE : 0; 859c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->channelCount = mChannelCount; 860c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->frameCount = framesReq; 861c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->size = framesReq * cblk->frameSize; 862c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 863c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->format = AudioSystem::PCM_16_BIT; 864c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 865c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->format = mFormat; 866c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 867c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->raw = (int8_t *)cblk->buffer(u); 86889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 86989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 87089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 87189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 87289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 87389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 87489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 87589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->stepUser(audioBuffer->frameCount); 87689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 87789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 87889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 87989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 88089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 88189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 88289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 88389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 88489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 88589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 88689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // sanity-check. user is most-likely passing an error code. 88789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 88889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 88989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 89089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 89189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 89389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t written = 0; 89589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 89689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 89789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 899c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = userSize/frameSize(); 900c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 90189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Calling obtainBuffer() with a negative wait count causes 90289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // an (almost) infinite wait time. 90389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 90489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 90589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 90689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 90789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 90889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 90989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 91089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 91189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 912c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 9133302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 91489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 91589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size>>1; 91689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // 8 to 16 bit conversion 91789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int count = toWrite; 91889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int16_t *dst = (int16_t *)(audioBuffer.i8); 91989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while(count--) { 92089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *dst++ = (int16_t)(*src++^0x80) << 8; 92189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 9223302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 92389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 92489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 92589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project src += toWrite; 92689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 92789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 92889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 92989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 93189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while (userSize); 93289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 93489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 93589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 93789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 93989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 94089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 94189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames; 94289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t writtenSize; 94389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 94489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage underrun callback 94589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mActive && (mCblk->framesReady() == 0)) { 946d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGV("Underrun user: %x, server: %x, flags %04x", mCblk->user, mCblk->server, mCblk->flags); 947d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if ((mCblk->flags & CBLK_UNDERRUN_MSK) == CBLK_UNDERRUN_OFF) { 94889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 94989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->server == mCblk->frameCount) { 950c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 95189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 952d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->flags |= CBLK_UNDERRUN_ON; 95389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return false; 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 95589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 956c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 95789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage loop end callback 95889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (mLoopCount > mCblk->loopCount) { 95989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int loopCount = -1; 96089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount--; 96189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 96289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 96489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 96589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 9672c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 96889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->server >= mMarkerPosition) { 96989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 9702c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = true; 97189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 97289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 97389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 975c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mUpdatePeriod > 0) { 97689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (mCblk->server >= mNewPosition) { 97789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 97989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 98089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 98189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If Shared buffer is used, no data is requested from client. 98389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 98489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = 0; 98589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 98689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = mRemainingFrames; 98789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 98889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 99089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 99189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 992c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 993c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Calling obtainBuffer() with a wait count of 1 994c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // limits wait time to WAIT_PERIOD_MS. This prevents from being 995c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // stuck here not being able to handle timed events (position, markers, loops). 99689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, 1); 99789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 99889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 9991dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent LOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 100089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 100189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 100389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 100589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 100789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 100889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 10093302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 101089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 101189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 101289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 101489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 101589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize = audioBuffer.size; 101689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 10188555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 10198555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 10208555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 10218555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 10228555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 10238555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 10248555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project break; 10258555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project } 102689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 102789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10283302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 102989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // 8 to 16 bit conversion 103089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = audioBuffer.i8 + writtenSize-1; 103189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int count = writtenSize; 103289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int16_t *dst = audioBuffer.i16 + writtenSize-1; 103389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while(count--) { 103489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *dst-- = (int16_t)(*src--^0x80) << 8; 103589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 103689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize <<= 1; 103789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 103889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 103989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = writtenSize; 1040c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // NOTE: mCblk->frameSize is not equal to AudioTrack::frameSize() for 1041c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 8 bit PCM data: in this case, mCblk->frameSize is based on a sampel size of 1042c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 16 bit. 1043c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = writtenSize/mCblk->frameSize; 1044c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 104589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 104689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 104789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 104889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 104989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (frames); 105089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 1052d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 105389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 105489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 105589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 105689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 105889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 106089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 106189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 106389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 106489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 106589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 106789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]); 106889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1069d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mCblk->frameCount); 107089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1071573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent snprintf(buffer, 255, " sample rate(%d), status(%d), muted(%d)\n", (mCblk == 0) ? 0 : mCblk->sampleRate, mStatus, mMuted); 107289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 107389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 107489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 107589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 107689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 107789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 107889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 108089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 108289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : Thread(bCanCallJava), mReceiver(receiver) 108389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 108489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 108589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 108789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 108889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mReceiver.processAudioBuffer(this); 108989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 109089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::AudioTrackThread::readyToRun() 109289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 109389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 109489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 109589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::AudioTrackThread::onFirstRef() 109789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 109889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 109989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 110189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 110354b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian : lock(Mutex::SHARED), cv(Condition::SHARED), user(0), server(0), 110454b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian userBase(0), serverBase(0), buffers(0), frameCount(0), 110554b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), volumeLR(0), 1106be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent flags(0), sendLevel(0) 110789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 110889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 110989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) 111189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 111289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 111389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u += frameCount; 111589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 1116d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 111789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 111889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 111989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 112089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 112189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else if (u > this->server) { 112289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("stepServer occured after track reset"); 112389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u = this->server; 112489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 112589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u >= userBase + this->frameCount) { 112789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userBase += this->frameCount; 112889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 112989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 113089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project this->user = u; 113189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 113289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 1133d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent flags &= ~CBLK_UNDERRUN_MSK; 113489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 113589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u; 113689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 113789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 113889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool audio_track_cblk_t::stepServer(uint32_t frameCount) 113989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 114089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // the code below simulates lock-with-timeout 114189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we MUST do this to protect the AudioFlinger server 114289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // as this lock is shared with the client. 114389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err; 114489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 114589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project err = lock.tryLock(); 114689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == -EBUSY) { // just wait a bit 114789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project usleep(1000); 114889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project err = lock.tryLock(); 114989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 115089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != NO_ERROR) { 115189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // probably, the client just died. 115289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 115389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 115489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 115589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 115689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 115789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s += frameCount; 1158d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 115989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 116089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we switch to normal obtainBuffer() timeout period 116189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 116234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS - 1; 1163c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 116489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // It is possible that we receive a flush() 116589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // while the mixer is processing a block: in this case, 116689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 116789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we have s > u 116889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s > this->user) { 116989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("stepServer occured after track reset"); 117089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = this->user; 117189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 117289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 117389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 117489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= loopEnd) { 117589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 117689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = loopStart; 117789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--loopCount == 0) { 117889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd = UINT_MAX; 117989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart = UINT_MAX; 118089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 118189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 118289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= serverBase + this->frameCount) { 118389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project serverBase += this->frameCount; 118489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 118589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 118689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project this->server = s; 118789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 118889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cv.signal(); 118989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project lock.unlock(); 119089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 119189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 119289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 119389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid* audio_track_cblk_t::buffer(uint32_t offset) const 119489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1195c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return (int8_t *)this->buffers + (offset - userBase) * this->frameSize; 119689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 119789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 119889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable() 119989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 120089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 120189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return framesAvailable_l(); 120289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 120389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 120489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable_l() 120589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 120689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 120789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 120889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1209d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 121089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 121189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return limit + frameCount - u; 121289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 121389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return frameCount + u - s; 121489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 121589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 121689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 121789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesReady() 121889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 121989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 122089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 122189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1222d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 122389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u < loopEnd) { 122489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u - s; 122589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 122689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 122789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount >= 0) { 122889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return (loopEnd - loopStart)*loopCount + u - s; 122989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 123089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return UINT_MAX; 123189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 123289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 123389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 123489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return s - u; 123589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 123689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 123789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 123989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 124189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1242