19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* //device/extlibs/pv/android/AudioTrack.cpp 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Copyright 2007, The Android Open Source Project 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** you may not use this file except in compliance with the License. 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** You may obtain a copy of the License at 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** See the License for the specific language governing permissions and 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** limitations under the License. 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//#define LOG_NDEBUG 0 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "AudioTrack" 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdint.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/types.h> 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <limits.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sched.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/resource.h> 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <private/media/AudioTrackShared.h> 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <media/AudioSystem.h> 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <media/AudioTrack.h> 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 350795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/Parcel.h> 360795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/IPCThreadState.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Timers.h> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <cutils/atomic.h> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// --------------------------------------------------------------------------- 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::AudioTrack() 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mStatus(NO_INIT) 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::AudioTrack( 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int streamType, 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t sampleRate, 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int format, 56a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent int channels, 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int frameCount, 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t flags, 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callback_t cbf, 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* user, 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int notificationFrames) 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mStatus(NO_INIT) 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 64a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mStatus = set(streamType, sampleRate, format, channels, 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frameCount, flags, cbf, user, notificationFrames, 0); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::AudioTrack( 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int streamType, 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t sampleRate, 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int format, 72a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent int channels, 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const sp<IMemory>& sharedBuffer, 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t flags, 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callback_t cbf, 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* user, 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int notificationFrames) 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mStatus(NO_INIT) 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 80a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mStatus = set(streamType, sampleRate, format, channels, 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, flags, cbf, user, notificationFrames, sharedBuffer); 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::~AudioTrack() 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mStatus == NO_ERROR) { 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure that callback function exits in the case where 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Otherwise the callback thread will never exit. 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stop(); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAudioTrackThread != 0) { 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrackThread.clear(); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack.clear(); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IPCThreadState::self()->flushCommands(); 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::set( 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int streamType, 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t sampleRate, 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int format, 106a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent int channels, 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int frameCount, 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t flags, 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callback_t cbf, 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* user, 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int notificationFrames, 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const sp<IMemory>& sharedBuffer, 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool threadCanCallJava) 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), sharedBuffer->size()); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 118ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent if (mAudioTrack != 0) { 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Track already in use"); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return INVALID_OPERATION; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int afSampleRate; 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int afFrameCount; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t afLatency; 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // handle default values first. 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (streamType == AudioSystem::DEFAULT) { 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project streamType = AudioSystem::MUSIC; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sampleRate == 0) { 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sampleRate = afSampleRate; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // these below should probably come from the audioFlinger too... 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == 0) { 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project format = AudioSystem::PCM_16_BIT; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 147a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (channels == 0) { 148a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent channels = AudioSystem::CHANNEL_OUT_STEREO; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // validate parameters 152a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (!AudioSystem::isValidFormat(format)) { 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Invalid format"); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 156a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 157a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // force direct flag if format is not linear PCM 158a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (!AudioSystem::isLinearPCM(format)) { 159a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent flags |= AudioSystem::OUTPUT_FLAG_DIRECT; 160a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 161a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 162a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (!AudioSystem::isOutputChannel(channels)) { 163a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent LOGE("Invalid channel mask"); 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 166a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent uint32_t channelCount = AudioSystem::popCount(channels); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 168a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audio_io_handle_t output = AudioSystem::getOutput((AudioSystem::stream_type)streamType, 169a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent sampleRate, format, channels, (AudioSystem::output_flags)flags); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 171a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (output == 0) { 172a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent LOGE("Could not get audio output for stream type %d", streamType); 173a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return BAD_VALUE; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 176a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (!AudioSystem::isLinearPCM(format)) { 177a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (sharedBuffer != 0) { 178a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent frameCount = sharedBuffer->size(); 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 181a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // Ensure that buffer depth covers at least audio hardware latency 182a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 183a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (minBufCount < 2) minBufCount = 2; 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 185a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 186a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 187a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (sharedBuffer == 0) { 188a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (frameCount == 0) { 189a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent frameCount = minFrameCount; 190a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 191a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (notificationFrames == 0) { 192a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent notificationFrames = frameCount/2; 193a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 194a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // Make sure that application is notified with sufficient margin 195a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // before underrun 196a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (notificationFrames > frameCount/2) { 197a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent notificationFrames = frameCount/2; 198a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 199a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (frameCount < minFrameCount) { 200a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent LOGE("Invalid buffer size: minFrameCount %d, frameCount %d", minFrameCount, frameCount); 201a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return BAD_VALUE; 202a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 203a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } else { 204a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // Ensure that buffer alignment matches channelcount 205a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (((uint32_t)sharedBuffer->pointer() & (channelCount | 1)) != 0) { 206a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent LOGE("Invalid buffer alignement: address %p, channelCount %d", sharedBuffer->pointer(), channelCount); 207a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return BAD_VALUE; 208a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 209a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 210a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 213bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mVolume[LEFT] = 1.0f; 214bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mVolume[RIGHT] = 1.0f; 215bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent // create the IAudioTrack 216bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent status_t status = createTrack(streamType, sampleRate, format, channelCount, 217bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent frameCount, flags, sharedBuffer, output); 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (status != NO_ERROR) { 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return status; 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 222bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cbf != 0) { 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAudioTrackThread == 0) { 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Could not create callback thread"); 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStatus = NO_ERROR; 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStreamType = streamType; 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFormat = format; 235a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mChannels = channels; 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChannelCount = channelCount; 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSharedBuffer = sharedBuffer; 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMuted = false; 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActive = 0; 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf = cbf; 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNotificationFrames = notificationFrames; 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemainingFrames = notificationFrames; 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUserData = user; 24488e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent mLatency = afLatency + (1000*mFrameCount) / sampleRate; 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLoopCount = 0; 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMarkerPosition = 0; 2474a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = false; 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNewPosition = 0; 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUpdatePeriod = 0; 250a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mFlags = flags; 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::initCheck() const 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStatus; 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t AudioTrack::latency() const 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLatency; 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AudioTrack::streamType() const 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStreamType; 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AudioTrack::format() const 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFormat; 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AudioTrack::channelCount() const 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChannelCount; 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t AudioTrack::frameCount() const 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFrameCount; 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AudioTrack::frameSize() const 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 289a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 290a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return channelCount()*((format() == AudioSystem::PCM_8_BIT) ? sizeof(uint8_t) : sizeof(int16_t)); 291a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } else { 292a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return sizeof(uint8_t); 293a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSharedBuffer; 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::start() 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("start %p", this); 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t->exitPending()) { 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t->requestExitAndWait() == WOULD_BLOCK) { 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("AudioTrack::start called from thread"); 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->mLock.lock(); 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (android_atomic_or(1, &mActive) == 0) { 319059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 320059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 321059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent mCblk->waitTimeMs = 0; 322059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent if (t != 0) { 323059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent t->run("AudioTrackThread", THREAD_PRIORITY_AUDIO_CLIENT); 324059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent } else { 325059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent setpriority(PRIO_PROCESS, 0, THREAD_PRIORITY_AUDIO_CLIENT); 326059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent } 327059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent 328bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent status_t status = mAudioTrack->start(); 329bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (status == DEAD_OBJECT) { 330bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent LOGV("start() dead IAudioTrack: creating a new one"); 331bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent status = createTrack(mStreamType, mCblk->sampleRate, mFormat, mChannelCount, 33249f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent mFrameCount, mFlags, mSharedBuffer, getOutput()); 33349f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent if (status == NO_ERROR) { 33449f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent status = mAudioTrack->start(); 33549f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent if (status == NO_ERROR) { 33649f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 33749f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent } 33849f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent } 339059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent } 340059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent if (status != NO_ERROR) { 341059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent LOGV("start() failed"); 342059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent android_atomic_and(~1, &mActive); 343bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (t != 0) { 344059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent t->requestExit(); 345bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } else { 346059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); 347bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->mLock.unlock(); 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::stop() 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("stop %p", this); 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->mLock.lock(); 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 366ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent mCblk->cv.signal(); 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->stop(); 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // would not stop until loopCount reaches 0). 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setLoop(0, 0, 0); 3714a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 3724a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi // to activate it again 3734a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = false; 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // will not stop before end of buffer is reached. 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSharedBuffer != 0) { 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flush(); 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->requestExit(); 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->mLock.unlock(); 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AudioTrack::stopped() const 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return !mActive; 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::flush() 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("flush"); 399a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 4004a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi // clear playback marker and periodic update counter 4014a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerPosition = 0; 4024a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = false; 4034a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mUpdatePeriod = 0; 404a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mActive) { 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->flush(); 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // in AudioTrack::obtainBuffer() 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->cv.signal(); 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::pause() 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("pause"); 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->pause(); 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::mute(bool e) 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->mute(e); 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMuted = e; 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AudioTrack::muted() const 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMuted; 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::setVolume(float left, float right) 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVolume[LEFT] = left; 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVolume[RIGHT] = right; 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // write must be atomic 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->volumeLR = (int32_t(int16_t(left * 0x1000)) << 16) | int16_t(right * 0x1000); 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::getVolume(float* left, float* right) 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *left = mVolume[LEFT]; 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *right = mVolume[RIGHT]; 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 44888e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurentstatus_t AudioTrack::setSampleRate(int rate) 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int afSamplingRate; 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 45388e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return NO_INIT; 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 45688e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent if (rate <= 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 45888e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent mCblk->sampleRate = rate; 45988e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return NO_ERROR; 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t AudioTrack::getSampleRate() 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 46488e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return mCblk->sampleRate; 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(cblk->lock); 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopCount == 0) { 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopStart = UINT_MAX; 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopEnd = UINT_MAX; 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopCount = 0; 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLoopCount = 0; 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopStart >= loopEnd || 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loopEnd - loopStart > mFrameCount) { 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, user %d", loopStart, loopEnd, loopCount, mFrameCount, cblk->user); 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mSharedBuffer != 0) && (loopEnd > mFrameCount)) { 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, framecount %d", 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loopStart, loopEnd, mFrameCount); 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 491a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopStart = loopStart; 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopEnd = loopEnd; 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopCount = loopCount; 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLoopCount = loopCount; 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::getLoop(uint32_t *loopStart, uint32_t *loopEnd, int *loopCount) 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopStart != 0) { 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *loopStart = mCblk->loopStart; 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopEnd != 0) { 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *loopEnd = mCblk->loopEnd; 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopCount != 0) { 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCblk->loopCount < 0) { 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *loopCount = -1; 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *loopCount = mCblk->loopCount; 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMarkerPosition = marker; 5254a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = false; 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (marker == 0) return BAD_VALUE; 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *marker = mMarkerPosition; 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t curPosition; 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getPosition(&curPosition); 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNewPosition = curPosition + updatePeriod; 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUpdatePeriod = updatePeriod; 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (updatePeriod == 0) return BAD_VALUE; 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *updatePeriod = mUpdatePeriod; 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(mCblk->lock); 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position > mCblk->user) return BAD_VALUE; 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->server = position; 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->forceReady = 1; 570a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position == 0) return BAD_VALUE; 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *position = mCblk->server; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::reload() 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 586a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flush(); 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->stepUser(mFrameCount); 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 594a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurentaudio_io_handle_t AudioTrack::getOutput() 595a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent{ 596a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return AudioSystem::getOutput((AudioSystem::stream_type)mStreamType, 597a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mCblk->sampleRate, mFormat, mChannels, (AudioSystem::output_flags)mFlags); 598a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent} 599a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 602bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurentstatus_t AudioTrack::createTrack( 603bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent int streamType, 604bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent uint32_t sampleRate, 605bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent int format, 606bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent int channelCount, 607bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent int frameCount, 608bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent uint32_t flags, 609bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent const sp<IMemory>& sharedBuffer, 610bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent audio_io_handle_t output) 611bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent{ 612bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent status_t status; 613bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 614bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (audioFlinger == 0) { 615bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent LOGE("Could not get audioflinger"); 616bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent return NO_INIT; 617bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 618bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent 619bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 620bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent streamType, 621bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent sampleRate, 622bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent format, 623bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent channelCount, 624bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent frameCount, 625bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent ((uint16_t)flags) << 16, 626bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent sharedBuffer, 627bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent output, 628bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent &status); 629bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent 630bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (track == 0) { 631bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent LOGE("AudioFlinger could not create track, status: %d", status); 632bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent return status; 633bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 634bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent sp<IMemory> cblk = track->getCblk(); 635bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (cblk == 0) { 636bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent LOGE("Could not get control block"); 637bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent return NO_INIT; 638bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 639bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mAudioTrack.clear(); 640bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mAudioTrack = track; 641bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblkMemory.clear(); 642bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblkMemory = cblk; 643bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 644bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblk->out = 1; 645bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent // Update buffer size in case it has been limited by AudioFlinger during track creation 646bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mFrameCount = mCblk->frameCount; 647bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (sharedBuffer == 0) { 648bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 649bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } else { 650bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblk->buffers = sharedBuffer->pointer(); 651bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent // Force buffer full condition as data is already present in shared memory 652bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblk->stepUser(mFrameCount); 653bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 654bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent 655bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblk->volumeLR = (int32_t(int16_t(mVolume[LEFT] * 0x1000)) << 16) | int16_t(mVolume[RIGHT] * 0x1000); 65649f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 65749f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent mCblk->waitTimeMs = 0; 658bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent return NO_ERROR; 659bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent} 660bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int active; 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t result; 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 667ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer->frameCount = 0; 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer->size = 0; 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t framesAvail = cblk->framesAvailable(); 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (framesAvail == 0) { 675bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->lock.lock(); 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto start_loop_here; 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (framesAvail == 0) { 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project active = mActive; 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (UNLIKELY(!active)) { 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Not active and NO_MORE_BUFFERS"); 681bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->lock.unlock(); 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_MORE_BUFFERS; 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 684bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (UNLIKELY(!waitCount)) { 685bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->lock.unlock(); 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return WOULD_BLOCK; 687bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 688bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent 689ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 690a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (__builtin_expect(result!=NO_ERROR, false)) { 691ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent cblk->waitTimeMs += waitTimeMs; 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cblk->user < cblk->loopEnd) { 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW( "obtainBuffer timed out (is the CPU pegged?) %p " 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "user=%08x, server=%08x", this, cblk->user, cblk->server); 698a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->lock.unlock(); 700bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent result = mAudioTrack->start(); 701bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (result == DEAD_OBJECT) { 702bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent LOGW("obtainBuffer() dead IAudioTrack: creating a new one"); 703bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent result = createTrack(mStreamType, cblk->sampleRate, mFormat, mChannelCount, 704bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mFrameCount, mFlags, mSharedBuffer, getOutput()); 705bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (result == NO_ERROR) { 706bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk = mCblk; 707bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 70849f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent mAudioTrack->start(); 709bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 710bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->lock.lock(); 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->waitTimeMs = 0; 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 715a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (--waitCount == 0) { 717bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->lock.unlock(); 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return TIMED_OUT; 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // read the server count again 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start_loop_here: 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project framesAvail = cblk->framesAvailable_l(); 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 725bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->lock.unlock(); 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->waitTimeMs = 0; 729a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (framesReq > framesAvail) { 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project framesReq = framesAvail; 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t u = cblk->user; 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (u + framesReq > bufferEnd) { 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project framesReq = bufferEnd - u; 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 741a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->flags = mMuted ? Buffer::MUTE : 0; 742a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->channelCount = mChannelCount; 743a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->frameCount = framesReq; 744a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->size = framesReq * cblk->frameSize; 745a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 746a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->format = AudioSystem::PCM_16_BIT; 747a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } else { 748a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->format = mFormat; 749a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 750a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->raw = (int8_t *)cblk->buffer(u); 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project active = mActive; 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->stepUser(audioBuffer->frameCount); 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ssize_t(userSize) < 0) { 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // sanity-check. user is most-likely passing an error code. 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer, userSize, userSize); 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ssize_t written = 0; 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Buffer audioBuffer; 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 782a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer.frameCount = userSize/frameSize(); 783a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Calling obtainBuffer() with a negative wait count causes 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // an (almost) infinite wait time. 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err < 0) { 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // out of buffers, return #bytes written 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ssize_t(err); 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t toWrite; 795a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 79628ad42b58cf9043c5503672714c09a05b798a081Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Divide capacity by 2 to take expansion into account 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project toWrite = audioBuffer.size>>1; 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 8 to 16 bit conversion 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = toWrite; 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int16_t *dst = (int16_t *)(audioBuffer.i8); 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while(count--) { 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *dst++ = (int16_t)(*src++^0x80) << 8; 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 80528ad42b58cf9043c5503672714c09a05b798a081Eric Laurent } else { 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project toWrite = audioBuffer.size; 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project src += toWrite; 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project userSize -= toWrite; 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project written += toWrite; 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project releaseBuffer(&audioBuffer); 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } while (userSize); 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return written; 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Buffer audioBuffer; 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t frames; 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t writtenSize; 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Manage underrun callback 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mActive && (mCblk->framesReady() == 0)) { 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Underrun user: %x, server: %x, flowControlFlag %d", mCblk->user, mCblk->server, mCblk->flowControlFlag); 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCblk->flowControlFlag == 0) { 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCblk->server == mCblk->frameCount) { 833a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->flowControlFlag = 1; 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSharedBuffer != 0) return false; 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 839a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Manage loop end callback 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (mLoopCount > mCblk->loopCount) { 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int loopCount = -1; 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLoopCount--; 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Manage marker callback 8504a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCblk->server >= mMarkerPosition) { 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 8534a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = true; 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Manage new position callback 858a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (mUpdatePeriod > 0) { 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (mCblk->server >= mNewPosition) { 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNewPosition += mUpdatePeriod; 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If Shared buffer is used, no data is requested from client. 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSharedBuffer != 0) { 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frames = 0; 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frames = mRemainingFrames; 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer.frameCount = frames; 875a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 876a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // Calling obtainBuffer() with a wait count of 1 877a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // limits wait time to WAIT_PERIOD_MS. This prevents from being 878a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // stuck here not being able to handle timed events (position, markers, loops). 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, 1); 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err < NO_ERROR) { 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != TIMED_OUT) { 882ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent LOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err == status_t(STOPPED)) return false; 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // of the destination buffer 89228ad42b58cf9043c5503672714c09a05b798a081Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer.size >>= 1; 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t reqSize = audioBuffer.size; 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project writtenSize = audioBuffer.size; 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Sanity check on returned size 9014df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 9024df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // The callback is done filling buffers 9034df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // Keep this thread going to handle timed events and 9044df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 9054df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // but don't just loop and block the CPU, so wait 9064df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 9074df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 9084df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 91128ad42b58cf9043c5503672714c09a05b798a081Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 8 to 16 bit conversion 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int8_t *src = audioBuffer.i8 + writtenSize-1; 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = writtenSize; 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int16_t *dst = audioBuffer.i16 + writtenSize-1; 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while(count--) { 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *dst-- = (int16_t)(*src--^0x80) << 8; 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project writtenSize <<= 1; 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer.size = writtenSize; 923a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // NOTE: mCblk->frameSize is not equal to AudioTrack::frameSize() for 924a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // 8 bit PCM data: in this case, mCblk->frameSize is based on a sampel size of 925a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // 16 bit. 926a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer.frameCount = writtenSize/mCblk->frameSize; 927a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frames -= audioBuffer.frameCount; 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project releaseBuffer(&audioBuffer); 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (frames); 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frames == 0) { 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemainingFrames = mNotificationFrames; 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemainingFrames = frames; 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t SIZE = 256; 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[SIZE]; 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 result; 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(" AudioTrack::dump\n"); 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]); 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mFrameCount); 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 95488e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent snprintf(buffer, 255, " sample rate(%d), status(%d), muted(%d)\n", (mCblk == 0) ? 0 : mCblk->sampleRate, mStatus, mMuted); 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ::write(fd, result.string(), result.size()); 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ========================================================================= 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : Thread(bCanCallJava), mReceiver(receiver) 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mReceiver.processAudioBuffer(this); 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::AudioTrackThread::readyToRun() 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::AudioTrackThread::onFirstRef() 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ========================================================================= 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 986a729f97e8bfba67a94b1cde26d0d78d84528de85Mathias Agopian : lock(Mutex::SHARED), cv(Condition::SHARED), user(0), server(0), 987a729f97e8bfba67a94b1cde26d0d78d84528de85Mathias Agopian userBase(0), serverBase(0), buffers(0), frameCount(0), 988a729f97e8bfba67a94b1cde26d0d78d84528de85Mathias Agopian loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), volumeLR(0), 989a729f97e8bfba67a94b1cde26d0d78d84528de85Mathias Agopian flowControlFlag(1), forceReady(0) 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t u = this->user; 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project u += frameCount; 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (out) { 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (u > this->server) { 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("stepServer occured after track reset"); 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project u = this->server; 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (u >= userBase + this->frameCount) { 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project userBase += this->frameCount; 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this->user = u; 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flowControlFlag = 0; 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return u; 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool audio_track_cblk_t::stepServer(uint32_t frameCount) 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the code below simulates lock-with-timeout 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we MUST do this to protect the AudioFlinger server 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // as this lock is shared with the client. 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err; 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = lock.tryLock(); 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err == -EBUSY) { // just wait a bit 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project usleep(1000); 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = lock.tryLock(); 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != NO_ERROR) { 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // probably, the client just died. 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t s = this->server; 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s += frameCount; 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (out) { 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we switch to normal obtainBuffer() timeout period 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 1045bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS - 1; 1046a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It is possible that we receive a flush() 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // while the mixer is processing a block: in this case, 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we have s > u 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s > this->user) { 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("stepServer occured after track reset"); 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s = this->user; 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s >= loopEnd) { 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s = loopStart; 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (--loopCount == 0) { 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loopEnd = UINT_MAX; 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loopStart = UINT_MAX; 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s >= serverBase + this->frameCount) { 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project serverBase += this->frameCount; 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this->server = s; 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cv.signal(); 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock.unlock(); 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid* audio_track_cblk_t::buffer(uint32_t offset) const 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1078a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return (int8_t *)this->buffers + (offset - userBase) * this->frameSize; 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable() 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(lock); 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return framesAvailable_l(); 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable_l() 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t u = this->user; 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t s = this->server; 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (out) { 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return limit + frameCount - u; 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return frameCount + u - s; 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t audio_track_cblk_t::framesReady() 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t u = this->user; 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t s = this->server; 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (out) { 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (u < loopEnd) { 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return u - s; 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(lock); 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopCount >= 0) { 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (loopEnd - loopStart)*loopCount + u - s; 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UINT_MAX; 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return s - u; 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1125