AudioTrack.cpp revision f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0
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 3989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) 4089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) 4189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 4333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 4433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 4533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 4633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 4733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int* frameCount, 4833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int streamType, 4933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 5033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 5133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int afSampleRate; 5233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 5333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 5433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 5533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int afFrameCount; 5633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 5733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 5833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 5933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 6033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 6133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 6233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 6433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 6533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 6633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (minBufCount < 2) minBufCount = 2; 6733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 6833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 6933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh afFrameCount * minBufCount * sampleRate / afSampleRate; 7033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 7133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 7289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 7489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : mStatus(NO_INIT) 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int streamType, 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int format, 84c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int channels, 8589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 89be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 90be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : mStatus(NO_INIT) 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 93c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mStatus = set(streamType, sampleRate, format, channels, 94a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 95a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent 0, false, sessionId); 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int streamType, 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int format, 102c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int channels, 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 107be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 108be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : mStatus(NO_INIT) 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 111c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mStatus = set(streamType, sampleRate, format, channels, 112a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent 0, flags, cbf, user, notificationFrames, 113a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent sharedBuffer, false, sessionId); 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack.clear(); 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int streamType, 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int format, 138c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int channels, 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 145be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 146be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), sharedBuffer->size()); 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1511dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Track already in use"); 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSampleRate; 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t afLatency; 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (streamType == AudioSystem::DEFAULT) { 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project streamType = AudioSystem::MUSIC; 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (format == 0) { 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project format = AudioSystem::PCM_16_BIT; 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 176c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (channels == 0) { 177c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent channels = AudioSystem::CHANNEL_OUT_STEREO; 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 181c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isValidFormat(format)) { 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Invalid format"); 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 185c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 186c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 187c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isLinearPCM(format)) { 188c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent flags |= AudioSystem::OUTPUT_FLAG_DIRECT; 189c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 190c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 191c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isOutputChannel(channels)) { 192c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Invalid channel mask"); 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 195c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channelCount = AudioSystem::popCount(channels); 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 197c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audio_io_handle_t output = AudioSystem::getOutput((AudioSystem::stream_type)streamType, 198c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sampleRate, format, channels, (AudioSystem::output_flags)flags); 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 200c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 201c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Could not get audio output for stream type %d", streamType); 202c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 20634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 207be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = 0; 208d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 209d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 210be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 2112beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 212be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 21334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 21434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status = createTrack(streamType, sampleRate, format, channelCount, 215d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount, flags, sharedBuffer, output, true); 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 21989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cbf != 0) { 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread == 0) { 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Could not create callback thread"); 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mFormat = format; 233c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mChannels = channels; 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mChannelCount = channelCount; 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = false; 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mActive = 0; 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf = cbf; 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2422c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 245c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mFlags = flags; 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::initCheck() const 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::latency() const 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::streamType() const 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStreamType; 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::format() const 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::channelCount() const 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::frameCount() const 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 279d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return mCblk->frameCount; 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::frameSize() const 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 284c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 285c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return channelCount()*((format() == AudioSystem::PCM_8_BIT) ? sizeof(uint8_t) : sizeof(int16_t)); 286c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 287c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return sizeof(uint8_t); 288c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 28989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 29289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 29389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mSharedBuffer; 29489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 29989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 30089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 301d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent status_t status; 30289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("start %p", this); 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->exitPending()) { 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->requestExitAndWait() == WOULD_BLOCK) { 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioTrack::start called from thread"); 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return; 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 314f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 315f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent if (mActive == 0) { 316f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent mActive = 1; 3172b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 3182b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 3192b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent mCblk->waitTimeMs = 0; 32044d9848d6656777a18019223e0d35f2fcc67719aEric Laurent mCblk->flags &= ~CBLK_DISABLED_ON; 3212b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (t != 0) { 3222b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent t->run("AudioTrackThread", THREAD_PRIORITY_AUDIO_CLIENT); 3232b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } else { 3242b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent setpriority(PRIO_PROCESS, 0, THREAD_PRIORITY_AUDIO_CLIENT); 3252b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3262b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 327d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mCblk->flags & CBLK_INVALID_MSK) { 328d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGW("start() track %p invalidated, creating a new one", this); 329d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // no need to clear the invalid flag as this cblk will not be used anymore 330d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // force new track creation 331d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent status = DEAD_OBJECT; 332d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 333d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent status = mAudioTrack->start(); 334d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 33534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status == DEAD_OBJECT) { 33634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGV("start() dead IAudioTrack: creating a new one"); 33734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status = createTrack(mStreamType, mCblk->sampleRate, mFormat, mChannelCount, 338d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount, mFlags, mSharedBuffer, getOutput(), false); 3396100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent if (status == NO_ERROR) { 3406100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent status = mAudioTrack->start(); 3416100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent if (status == NO_ERROR) { 3426100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 3436100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3446100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3452b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3462b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (status != NO_ERROR) { 3472b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent LOGV("start() failed"); 348f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent mActive = 0; 34934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (t != 0) { 3502b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent t->requestExit(); 35134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 3522b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); 35334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::stop() 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("stop %p", this); 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 371f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 372f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent if (mActive == 1) { 373f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent mActive = 0; 3741dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->stop(); 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // would not stop until loopCount reaches 0). 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project setLoop(0, 0, 0); 3792c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 3802c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // to activate it again 3812c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // will not stop before end of buffer is reached. 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 38589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project flush(); 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->requestExit(); 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 39389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 39589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 39789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return !mActive; 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 40589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 40689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("flush"); 407c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4082c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4092c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4102c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4112c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 412c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!mActive) { 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->flush(); 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // in AudioTrack::obtainBuffer() 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->cv.signal(); 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("pause"); 424f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 425f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent if (mActive == 1) { 426f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent mActive = 0; 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->pause(); 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::mute(bool e) 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->mute(e); 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = e; 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::muted() const 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mMuted; 44089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 44189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 442be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 444be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (left > 1.0f || right > 1.0f) { 445be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 446be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 447be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 44989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // write must be atomic 452be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->volumeLR = (uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000); 453be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 454be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 45589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::getVolume(float* left, float* right) 45889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 459be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (left != NULL) { 460be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *left = mVolume[LEFT]; 461be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 462be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (right != NULL) { 463be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *right = mVolume[RIGHT]; 464be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 465be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 466be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 4672beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 468be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 4692beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent LOGV("setAuxEffectSendLevel(%f)", level); 470be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level > 1.0f) { 471be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 472be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 473be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 474be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 475be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 476be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->sendLevel = uint16_t(level * 0x1000); 477be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 478be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 479be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 480be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 4812beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentvoid AudioTrack::getAuxEffectSendLevel(float* level) 482be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 483be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 484be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *level = mSendLevel; 485be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 488573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurentstatus_t AudioTrack::setSampleRate(int rate) 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSamplingRate; 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 493573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 496573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent if (rate <= 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 498573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mCblk->sampleRate = rate; 499573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::getSampleRate() 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 504573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 51489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = UINT_MAX; 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = UINT_MAX; 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = 0; 51789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 51889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 51989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 52089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart >= loopEnd || 522d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent loopEnd - loopStart > cblk->frameCount) { 523d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, user %d", loopStart, loopEnd, loopCount, cblk->frameCount, cblk->user); 52489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 52589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 52689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 527d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if ((mSharedBuffer != 0) && (loopEnd > cblk->frameCount)) { 52889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, framecount %d", 529d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent loopStart, loopEnd, cblk->frameCount); 53089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 531c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 53289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 53389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = loopStart; 53489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = loopEnd; 53589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = loopCount; 53689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = loopCount; 53789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 53889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getLoop(uint32_t *loopStart, uint32_t *loopEnd, int *loopCount) 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart != 0) { 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopStart = mCblk->loopStart; 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopEnd != 0) { 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopEnd = mCblk->loopEnd; 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount != 0) { 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->loopCount < 0) { 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopCount = -1; 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 55389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopCount = mCblk->loopCount; 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 55889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 56389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 5652c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 56889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) 57189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 57289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (marker == 0) return BAD_VALUE; 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 57589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 58289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (updatePeriod == 0) return BAD_VALUE; 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(mCblk->lock); 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position > mCblk->user) return BAD_VALUE; 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->server = position; 609d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->flags |= CBLK_FORCEREADY_ON; 610c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position == 0) return BAD_VALUE; 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *position = mCblk->server; 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 626c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project flush(); 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 629d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 634c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 635c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 636c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return AudioSystem::getOutput((AudioSystem::stream_type)mStreamType, 637c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCblk->sampleRate, mFormat, mChannels, (AudioSystem::output_flags)mFlags); 638c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 639c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 640be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentint AudioTrack::getSessionId() 641be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 642be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return mSessionId; 643be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 644be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 645be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 646be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 6472beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent LOGV("attachAuxEffect(%d)", effectId); 6482beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 6492beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 6502beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 6512beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 6522beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 653be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 654be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurentstatus_t AudioTrack::createTrack( 65834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int streamType, 65934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 66034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int format, 66134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int channelCount, 66234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int frameCount, 66334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t flags, 66434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 665d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent audio_io_handle_t output, 666d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent bool enforceFrameCount) 66734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 66834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 66934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 67034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 67134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGE("Could not get audioflinger"); 67234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 67334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 67434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 675d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int afSampleRate; 676d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 677d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 678d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 679d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int afFrameCount; 680d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 681d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 682d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 683d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 684d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 685d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 686d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 687d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 688d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 689d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (!AudioSystem::isLinearPCM(format)) { 690d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 691d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 692d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 693d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 694d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 695d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 696d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (minBufCount < 2) minBufCount = 2; 697d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 698d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 699d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 700d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer == 0) { 701d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (frameCount == 0) { 702d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = minFrameCount; 703d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 704d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mNotificationFramesAct == 0) { 705d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = frameCount/2; 706d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 707d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Make sure that application is notified with sufficient margin 708d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // before underrun 709d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mNotificationFramesAct > (uint32_t)frameCount/2) { 710d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = frameCount/2; 711d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 712d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (frameCount < minFrameCount) { 713d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (enforceFrameCount) { 714d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGE("Invalid buffer size: minFrameCount %d, frameCount %d", minFrameCount, frameCount); 715d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return BAD_VALUE; 716d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 717d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = minFrameCount; 718d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 719d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 720d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 721d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer alignment matches channelcount 722d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (((uint32_t)sharedBuffer->pointer() & (channelCount | 1)) != 0) { 723d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGE("Invalid buffer alignement: address %p, channelCount %d", sharedBuffer->pointer(), channelCount); 724d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return BAD_VALUE; 725d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 726d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 727d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 728d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 729d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 73034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 73134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent streamType, 73234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 73334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent format, 73434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent channelCount, 73534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 73634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent ((uint16_t)flags) << 16, 73734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 73834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 739be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 74034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 74134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 74234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 74334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGE("AudioFlinger could not create track, status: %d", status); 74434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 74534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 74634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IMemory> cblk = track->getCblk(); 74734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (cblk == 0) { 74834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGE("Could not get control block"); 74934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 75034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 75134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack.clear(); 75234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 75334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory.clear(); 75434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory = cblk; 75534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 756d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->flags |= CBLK_DIRECTION_OUT; 75734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 75834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 75934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 76034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = sharedBuffer->pointer(); 76134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // Force buffer full condition as data is already present in shared memory 762d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 76334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 76434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 765be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->volumeLR = (uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | uint16_t(mVolume[LEFT] * 0x1000); 766be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->sendLevel = uint16_t(mSendLevel * 0x1000); 7672beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 7686100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 7696100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->waitTimeMs = 0; 770d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 771d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mLatency = afLatency + (1000*mCblk->frameCount) / sampleRate; 77234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 77334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 77434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 77589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 77689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 77789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int active; 77889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t result; 77989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 78089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 7811dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 78289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 78389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 78489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 78589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 78689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesAvail = cblk->framesAvailable(); 78789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 78889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesAvail == 0) { 78934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 79089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 79189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesAvail == 0) { 79289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 79389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (UNLIKELY(!active)) { 79489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("Not active and NO_MORE_BUFFERS"); 79534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 79689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 79789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 79834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (UNLIKELY(!waitCount)) { 79934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 80089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 80134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 802d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 803d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 804d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 805d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 806d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGW("obtainBuffer() track %p invalidated, creating a new one", this); 807d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // no need to clear the invalid flag as this cblk will not be used anymore 808d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent cblk->lock.unlock(); 809d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent goto create_new_track; 810d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 811c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (__builtin_expect(result!=NO_ERROR, false)) { 8121dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 81389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 81489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 81589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 81689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->user < cblk->loopEnd) { 81789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW( "obtainBuffer timed out (is the CPU pegged?) %p " 81889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "user=%08x, server=%08x", this, cblk->user, cblk->server); 819c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 82089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.unlock(); 82134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent result = mAudioTrack->start(); 82234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 82334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGW("obtainBuffer() dead IAudioTrack: creating a new one"); 824d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurentcreate_new_track: 82534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent result = createTrack(mStreamType, cblk->sampleRate, mFormat, mChannelCount, 826d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount, mFlags, mSharedBuffer, getOutput(), false); 82734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == NO_ERROR) { 82834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk = mCblk; 82934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 8306100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mAudioTrack->start(); 83134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 83234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 83389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.lock(); 83489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 83589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 83689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 837c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 83889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 83934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 84089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 84189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 84289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 84389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 84489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 84589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesAvail = cblk->framesAvailable_l(); 84689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 84734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 84889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 84989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 85044d9848d6656777a18019223e0d35f2fcc67719aEric Laurent // restart track if it was disabled by audioflinger due to previous underrun 85144d9848d6656777a18019223e0d35f2fcc67719aEric Laurent if (cblk->flags & CBLK_DISABLED_MSK) { 85244d9848d6656777a18019223e0d35f2fcc67719aEric Laurent cblk->flags &= ~CBLK_DISABLED_ON; 85344d9848d6656777a18019223e0d35f2fcc67719aEric Laurent LOGW("obtainBuffer() track %p disabled, restarting", this); 85444d9848d6656777a18019223e0d35f2fcc67719aEric Laurent mAudioTrack->start(); 85544d9848d6656777a18019223e0d35f2fcc67719aEric Laurent } 85644d9848d6656777a18019223e0d35f2fcc67719aEric Laurent 85789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 858c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 85989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesAvail) { 86089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesAvail; 86189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 86289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 86389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 86489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 86589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 86689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u + framesReq > bufferEnd) { 86789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 86889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 86989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 870c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->flags = mMuted ? Buffer::MUTE : 0; 871c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->channelCount = mChannelCount; 872c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->frameCount = framesReq; 873c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->size = framesReq * cblk->frameSize; 874c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 875c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->format = AudioSystem::PCM_16_BIT; 876c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 877c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->format = mFormat; 878c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 879c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->raw = (int8_t *)cblk->buffer(u); 88089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 88189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 88289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 88389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 88489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 88589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 88689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 88789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->stepUser(audioBuffer->frameCount); 88889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 88989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 89189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 89389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 89489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 89689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 89889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // sanity-check. user is most-likely passing an error code. 89989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 90089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 90189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 90289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 90389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 90489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 90589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 90689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t written = 0; 90789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 90889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 90989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 91089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 911c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = userSize/frameSize(); 912c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 91389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Calling obtainBuffer() with a negative wait count causes 91489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // an (almost) infinite wait time. 91589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 91689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 91789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 91889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 91989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 92089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 92189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 92289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 924c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 9253302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 92689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 92789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size>>1; 92889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // 8 to 16 bit conversion 92989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int count = toWrite; 93089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int16_t *dst = (int16_t *)(audioBuffer.i8); 93189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while(count--) { 93289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *dst++ = (int16_t)(*src++^0x80) << 8; 93389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 9343302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 93589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 93689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 93789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project src += toWrite; 93889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 93989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 94089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 94189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 94289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 94389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while (userSize); 94489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 94589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 94689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 94789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 94889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 94989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 95189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 95289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 95389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames; 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t writtenSize; 95589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage underrun callback 95789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mActive && (mCblk->framesReady() == 0)) { 958d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGV("Underrun user: %x, server: %x, flags %04x", mCblk->user, mCblk->server, mCblk->flags); 959d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if ((mCblk->flags & CBLK_UNDERRUN_MSK) == CBLK_UNDERRUN_OFF) { 96089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 96189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->server == mCblk->frameCount) { 962c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 96389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 964d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->flags |= CBLK_UNDERRUN_ON; 96589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return false; 96689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 968c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 96989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage loop end callback 97089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (mLoopCount > mCblk->loopCount) { 97189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int loopCount = -1; 97289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount--; 97389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 97489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 97689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 97789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 9792c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 98089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->server >= mMarkerPosition) { 98189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 9822c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = true; 98389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 98489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 98589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 987c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mUpdatePeriod > 0) { 98889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (mCblk->server >= mNewPosition) { 98989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 99089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 99189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 99289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 99389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 99489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If Shared buffer is used, no data is requested from client. 99589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 99689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = 0; 99789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 99889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = mRemainingFrames; 99989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 100289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 1004c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1005c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Calling obtainBuffer() with a wait count of 1 1006c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // limits wait time to WAIT_PERIOD_MS. This prevents from being 1007c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // stuck here not being able to handle timed events (position, markers, loops). 100889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, 1); 100989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 101089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 10111dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent LOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 101289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 101389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 101489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 101589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 101689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 101789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 102089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 10213302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 102289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 102389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 102689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 102789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize = audioBuffer.size; 102889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 10308555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 10318555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 10328555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 10338555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 10348555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 10358555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 10368555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project break; 10378555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project } 103889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 103989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10403302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 104189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // 8 to 16 bit conversion 104289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = audioBuffer.i8 + writtenSize-1; 104389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int count = writtenSize; 104489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int16_t *dst = audioBuffer.i16 + writtenSize-1; 104589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while(count--) { 104689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *dst-- = (int16_t)(*src--^0x80) << 8; 104789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 104889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize <<= 1; 104989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 105089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = writtenSize; 1052c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // NOTE: mCblk->frameSize is not equal to AudioTrack::frameSize() for 1053c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 8 bit PCM data: in this case, mCblk->frameSize is based on a sampel size of 1054c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 16 bit. 1055c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = writtenSize/mCblk->frameSize; 1056c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 105889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 106089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 106189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (frames); 106289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 1064d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 106589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 106689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 106789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 106889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 106989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 107089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 107289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 107389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 107589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 107689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 107789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 107989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]); 108089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1081d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mCblk->frameCount); 108289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1083573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent snprintf(buffer, 255, " sample rate(%d), status(%d), muted(%d)\n", (mCblk == 0) ? 0 : mCblk->sampleRate, mStatus, mMuted); 108489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 108589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 108689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 108789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 108889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 108989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 109089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 109289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 109489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : Thread(bCanCallJava), mReceiver(receiver) 109589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 109689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 109789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 109989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 110089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mReceiver.processAudioBuffer(this); 110189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 110289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::AudioTrackThread::readyToRun() 110489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 110589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 110689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 110789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::AudioTrackThread::onFirstRef() 110989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 111089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 111189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 111389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 111554b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian : lock(Mutex::SHARED), cv(Condition::SHARED), user(0), server(0), 111654b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian userBase(0), serverBase(0), buffers(0), frameCount(0), 111754b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), volumeLR(0), 1118be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent flags(0), sendLevel(0) 111989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 112089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 112189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) 112389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 112489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 112589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u += frameCount; 112789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 1128d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 112989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 113089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 113189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 113289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 113389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else if (u > this->server) { 113489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("stepServer occured after track reset"); 113589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u = this->server; 113689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 113789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 113889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u >= userBase + this->frameCount) { 113989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userBase += this->frameCount; 114089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 114189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 114289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project this->user = u; 114389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 114489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 1145d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent flags &= ~CBLK_UNDERRUN_MSK; 114689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 114789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u; 114889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 114989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 115089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool audio_track_cblk_t::stepServer(uint32_t frameCount) 115189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 115289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // the code below simulates lock-with-timeout 115389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we MUST do this to protect the AudioFlinger server 115489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // as this lock is shared with the client. 115589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err; 115689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 115789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project err = lock.tryLock(); 115889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == -EBUSY) { // just wait a bit 115989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project usleep(1000); 116089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project err = lock.tryLock(); 116189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 116289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != NO_ERROR) { 116389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // probably, the client just died. 116489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 116589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 116689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 116789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 116889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 116989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s += frameCount; 1170d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 117189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 117289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we switch to normal obtainBuffer() timeout period 117389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 117434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS - 1; 1175c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 117689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // It is possible that we receive a flush() 117789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // while the mixer is processing a block: in this case, 117889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 117989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we have s > u 118089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s > this->user) { 118189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW("stepServer occured after track reset"); 118289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = this->user; 118389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 118489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 118589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 118689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= loopEnd) { 118789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 118889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = loopStart; 118989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--loopCount == 0) { 119089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd = UINT_MAX; 119189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart = UINT_MAX; 119289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 119389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 119489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= serverBase + this->frameCount) { 119589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project serverBase += this->frameCount; 119689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 119789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 119889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project this->server = s; 119989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 120089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cv.signal(); 120189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project lock.unlock(); 120289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 120389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 120489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 120589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid* audio_track_cblk_t::buffer(uint32_t offset) const 120689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1207c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return (int8_t *)this->buffers + (offset - userBase) * this->frameSize; 120889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 120989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 121089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable() 121189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 121289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 121389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return framesAvailable_l(); 121489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 121589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 121689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable_l() 121789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 121889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 121989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 122089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1221d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 122289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 122389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return limit + frameCount - u; 122489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 122589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return frameCount + u - s; 122689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 122789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 122889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 122989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesReady() 123089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 123189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = this->user; 123289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t s = this->server; 123389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1234d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 123589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u < loopEnd) { 123689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u - s; 123789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 123889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 123989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount >= 0) { 124089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return (loopEnd - loopStart)*loopCount + u - s; 124189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 124289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return UINT_MAX; 124389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 124689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return s - u; 124789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 124989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 125089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 125189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 125289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 125389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1254