AudioTrack.cpp revision 28ad42b58cf9043c5503672714c09a05b798a081
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/MemoryDealer.h> 360795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/Parcel.h> 370795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/IPCThreadState.h> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Timers.h> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <cutils/atomic.h> 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// --------------------------------------------------------------------------- 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::AudioTrack() 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mStatus(NO_INIT) 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::AudioTrack( 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int streamType, 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t sampleRate, 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int format, 57a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent int channels, 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int frameCount, 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t flags, 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callback_t cbf, 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* user, 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int notificationFrames) 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mStatus(NO_INIT) 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 65a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mStatus = set(streamType, sampleRate, format, channels, 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frameCount, flags, cbf, user, notificationFrames, 0); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::AudioTrack( 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int streamType, 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t sampleRate, 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int format, 73a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent int channels, 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const sp<IMemory>& sharedBuffer, 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t flags, 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callback_t cbf, 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* user, 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int notificationFrames) 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mStatus(NO_INIT) 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 81a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mStatus = set(streamType, sampleRate, format, channels, 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, flags, cbf, user, notificationFrames, sharedBuffer); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::~AudioTrack() 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mStatus == NO_ERROR) { 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure that callback function exits in the case where 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Otherwise the callback thread will never exit. 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stop(); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAudioTrackThread != 0) { 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrackThread.clear(); 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack.clear(); 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IPCThreadState::self()->flushCommands(); 100a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent AudioSystem::releaseOutput(getOutput()); 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::set( 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int streamType, 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t sampleRate, 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int format, 108a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent int channels, 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int frameCount, 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t flags, 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callback_t cbf, 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* user, 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int notificationFrames, 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const sp<IMemory>& sharedBuffer, 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool threadCanCallJava) 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), sharedBuffer->size()); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 120ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent if (mAudioTrack != 0) { 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Track already in use"); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return INVALID_OPERATION; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (audioFlinger == 0) { 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Could not get audioflinger"); 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int afSampleRate; 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int afFrameCount; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t afLatency; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // handle default values first. 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (streamType == AudioSystem::DEFAULT) { 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project streamType = AudioSystem::MUSIC; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sampleRate == 0) { 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sampleRate = afSampleRate; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // these below should probably come from the audioFlinger too... 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == 0) { 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project format = AudioSystem::PCM_16_BIT; 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 154a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (channels == 0) { 155a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent channels = AudioSystem::CHANNEL_OUT_STEREO; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // validate parameters 159a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (!AudioSystem::isValidFormat(format)) { 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Invalid format"); 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 163a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 164a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // force direct flag if format is not linear PCM 165a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (!AudioSystem::isLinearPCM(format)) { 166a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent flags |= AudioSystem::OUTPUT_FLAG_DIRECT; 167a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 168a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 169a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (!AudioSystem::isOutputChannel(channels)) { 170a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent LOGE("Invalid channel mask"); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 173a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent uint32_t channelCount = AudioSystem::popCount(channels); 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 175a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audio_io_handle_t output = AudioSystem::getOutput((AudioSystem::stream_type)streamType, 176a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent sampleRate, format, channels, (AudioSystem::output_flags)flags); 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 178a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (output == 0) { 179a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent LOGE("Could not get audio output for stream type %d", streamType); 180a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return BAD_VALUE; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 183a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (!AudioSystem::isLinearPCM(format)) { 184a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (sharedBuffer != 0) { 185a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent frameCount = sharedBuffer->size(); 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 188a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // Ensure that buffer depth covers at least audio hardware latency 189a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 190a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (minBufCount < 2) minBufCount = 2; 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 192a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 193a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 194a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (sharedBuffer == 0) { 195a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (frameCount == 0) { 196a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent frameCount = minFrameCount; 197a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 198a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (notificationFrames == 0) { 199a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent notificationFrames = frameCount/2; 200a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 201a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // Make sure that application is notified with sufficient margin 202a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // before underrun 203a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (notificationFrames > frameCount/2) { 204a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent notificationFrames = frameCount/2; 205a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 206a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (frameCount < minFrameCount) { 207a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent LOGE("Invalid buffer size: minFrameCount %d, frameCount %d", minFrameCount, frameCount); 208a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return BAD_VALUE; 209a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 210a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } else { 211a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // Ensure that buffer alignment matches channelcount 212a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (((uint32_t)sharedBuffer->pointer() & (channelCount | 1)) != 0) { 213a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent LOGE("Invalid buffer alignement: address %p, channelCount %d", sharedBuffer->pointer(), channelCount); 214a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return BAD_VALUE; 215a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 216a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 217a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // create the track 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t status; 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 223a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent streamType, 224a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent sampleRate, 225a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent format, 226a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent channelCount, 227a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent frameCount, 228a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent ((uint16_t)flags) << 16, 229a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent sharedBuffer, 230a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent output, 231a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent &status); 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (track == 0) { 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("AudioFlinger could not create track, status: %d", status); 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return status; 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<IMemory> cblk = track->getCblk(); 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cblk == 0) { 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Could not get control block"); 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cbf != 0) { 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAudioTrackThread == 0) { 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Could not create callback thread"); 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStatus = NO_ERROR; 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack = track; 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblkMemory = cblk; 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->out = 1; 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Update buffer size in case it has been limited by AudioFlinger during track creation 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFrameCount = mCblk->frameCount; 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sharedBuffer == 0) { 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->buffers = sharedBuffer->pointer(); 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Force buffer full condition as data is already present in shared memory 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->stepUser(mFrameCount); 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->volume[0] = mCblk->volume[1] = 0x1000; 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVolume[LEFT] = 1.0f; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVolume[RIGHT] = 1.0f; 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStreamType = streamType; 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFormat = format; 270a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mChannels = channels; 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChannelCount = channelCount; 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSharedBuffer = sharedBuffer; 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMuted = false; 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActive = 0; 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf = cbf; 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNotificationFrames = notificationFrames; 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemainingFrames = notificationFrames; 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUserData = user; 27988e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent mLatency = afLatency + (1000*mFrameCount) / sampleRate; 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLoopCount = 0; 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMarkerPosition = 0; 2824a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = false; 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNewPosition = 0; 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUpdatePeriod = 0; 285a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mFlags = flags; 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::initCheck() const 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStatus; 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t AudioTrack::latency() const 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLatency; 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AudioTrack::streamType() const 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStreamType; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AudioTrack::format() const 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFormat; 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AudioTrack::channelCount() const 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChannelCount; 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t AudioTrack::frameCount() const 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFrameCount; 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AudioTrack::frameSize() const 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 324a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 325a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return channelCount()*((format() == AudioSystem::PCM_8_BIT) ? sizeof(uint8_t) : sizeof(int16_t)); 326a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } else { 327a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return sizeof(uint8_t); 328a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSharedBuffer; 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::start() 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("start %p", this); 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t->exitPending()) { 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t->requestExitAndWait() == WOULD_BLOCK) { 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("AudioTrack::start called from thread"); 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->mLock.lock(); 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (android_atomic_or(1, &mActive) == 0) { 354a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent AudioSystem::startOutput(getOutput(), (AudioSystem::stream_type)mStreamType); 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNewPosition = mCblk->server + mUpdatePeriod; 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->waitTimeMs = 0; 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->run("AudioTrackThread", THREAD_PRIORITY_AUDIO_CLIENT); 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setpriority(PRIO_PROCESS, 0, THREAD_PRIORITY_AUDIO_CLIENT); 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->start(); 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->mLock.unlock(); 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::stop() 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("stop %p", this); 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->mLock.lock(); 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 381ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent mCblk->cv.signal(); 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->stop(); 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // would not stop until loopCount reaches 0). 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setLoop(0, 0, 0); 3864a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 3874a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi // to activate it again 3884a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = false; 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // will not stop before end of buffer is reached. 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSharedBuffer != 0) { 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flush(); 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->requestExit(); 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 399a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent AudioSystem::stopOutput(getOutput(), (AudioSystem::stream_type)mStreamType); 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->mLock.unlock(); 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AudioTrack::stopped() const 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return !mActive; 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::flush() 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("flush"); 415a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 4164a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi // clear playback marker and periodic update counter 4174a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerPosition = 0; 4184a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = false; 4194a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mUpdatePeriod = 0; 420a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mActive) { 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->flush(); 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // in AudioTrack::obtainBuffer() 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->cv.signal(); 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::pause() 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("pause"); 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActive = 0; 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->pause(); 436a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent AudioSystem::stopOutput(getOutput(), (AudioSystem::stream_type)mStreamType); 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::mute(bool e) 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->mute(e); 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMuted = e; 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AudioTrack::muted() const 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMuted; 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::setVolume(float left, float right) 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVolume[LEFT] = left; 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVolume[RIGHT] = right; 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // write must be atomic 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->volumeLR = (int32_t(int16_t(left * 0x1000)) << 16) | int16_t(right * 0x1000); 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::getVolume(float* left, float* right) 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *left = mVolume[LEFT]; 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *right = mVolume[RIGHT]; 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 46688e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurentstatus_t AudioTrack::setSampleRate(int rate) 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int afSamplingRate; 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 47188e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return NO_INIT; 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 47488e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent if (rate <= 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47688e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent mCblk->sampleRate = rate; 47788e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return NO_ERROR; 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t AudioTrack::getSampleRate() 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 48288e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return mCblk->sampleRate; 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(cblk->lock); 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopCount == 0) { 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopStart = UINT_MAX; 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopEnd = UINT_MAX; 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopCount = 0; 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLoopCount = 0; 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopStart >= loopEnd || 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loopEnd - loopStart > mFrameCount) { 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, user %d", loopStart, loopEnd, loopCount, mFrameCount, cblk->user); 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mSharedBuffer != 0) && (loopEnd > mFrameCount)) { 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, framecount %d", 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loopStart, loopEnd, mFrameCount); 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 509a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopStart = loopStart; 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopEnd = loopEnd; 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopCount = loopCount; 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLoopCount = loopCount; 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::getLoop(uint32_t *loopStart, uint32_t *loopEnd, int *loopCount) 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopStart != 0) { 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *loopStart = mCblk->loopStart; 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopEnd != 0) { 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *loopEnd = mCblk->loopEnd; 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopCount != 0) { 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCblk->loopCount < 0) { 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *loopCount = -1; 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *loopCount = mCblk->loopCount; 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMarkerPosition = marker; 5434a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = false; 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (marker == 0) return BAD_VALUE; 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *marker = mMarkerPosition; 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t curPosition; 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getPosition(&curPosition); 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNewPosition = curPosition + updatePeriod; 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUpdatePeriod = updatePeriod; 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (updatePeriod == 0) return BAD_VALUE; 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *updatePeriod = mUpdatePeriod; 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(mCblk->lock); 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position > mCblk->user) return BAD_VALUE; 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->server = position; 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->forceReady = 1; 588a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position == 0) return BAD_VALUE; 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *position = mCblk->server; 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::reload() 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 604a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flush(); 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->stepUser(mFrameCount); 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 612a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurentaudio_io_handle_t AudioTrack::getOutput() 613a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent{ 614a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return AudioSystem::getOutput((AudioSystem::stream_type)mStreamType, 615a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mCblk->sampleRate, mFormat, mChannels, (AudioSystem::output_flags)mFlags); 616a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent} 617a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int active; 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int timeout = 0; 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t result; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 627ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer->frameCount = 0; 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer->size = 0; 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t framesAvail = cblk->framesAvailable(); 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (framesAvail == 0) { 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(cblk->lock); 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto start_loop_here; 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (framesAvail == 0) { 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project active = mActive; 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (UNLIKELY(!active)) { 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Not active and NO_MORE_BUFFERS"); 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_MORE_BUFFERS; 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (UNLIKELY(!waitCount)) 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return WOULD_BLOCK; 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project timeout = 0; 646ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 647a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (__builtin_expect(result!=NO_ERROR, false)) { 648ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent cblk->waitTimeMs += waitTimeMs; 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cblk->user < cblk->loopEnd) { 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW( "obtainBuffer timed out (is the CPU pegged?) %p " 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "user=%08x, server=%08x", this, cblk->user, cblk->server); 655a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->lock.unlock(); 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->start(); 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->lock.lock(); 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project timeout = 1; 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->waitTimeMs = 0; 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 663a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (--waitCount == 0) { 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return TIMED_OUT; 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // read the server count again 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start_loop_here: 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project framesAvail = cblk->framesAvailable_l(); 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->waitTimeMs = 0; 675a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (framesReq > framesAvail) { 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project framesReq = framesAvail; 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t u = cblk->user; 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (u + framesReq > bufferEnd) { 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project framesReq = bufferEnd - u; 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW_IF(timeout, 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "*** SERIOUS WARNING *** obtainBuffer() timed out " 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "but didn't need to be locked. We recovered, but " 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "this shouldn't happen (user=%08x, server=%08x)", cblk->user, cblk->server); 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 692a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->flags = mMuted ? Buffer::MUTE : 0; 693a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->channelCount = mChannelCount; 694a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->frameCount = framesReq; 695a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->size = framesReq * cblk->frameSize; 696a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 697a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->format = AudioSystem::PCM_16_BIT; 698a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } else { 699a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->format = mFormat; 700a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 701a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->raw = (int8_t *)cblk->buffer(u); 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project active = mActive; 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->stepUser(audioBuffer->frameCount); 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ssize_t(userSize) < 0) { 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // sanity-check. user is most-likely passing an error code. 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer, userSize, userSize); 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ssize_t written = 0; 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Buffer audioBuffer; 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 733a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer.frameCount = userSize/frameSize(); 734a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Calling obtainBuffer() with a negative wait count causes 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // an (almost) infinite wait time. 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err < 0) { 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // out of buffers, return #bytes written 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ssize_t(err); 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t toWrite; 746a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 74728ad42b58cf9043c5503672714c09a05b798a081Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Divide capacity by 2 to take expansion into account 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project toWrite = audioBuffer.size>>1; 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 8 to 16 bit conversion 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = toWrite; 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int16_t *dst = (int16_t *)(audioBuffer.i8); 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while(count--) { 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *dst++ = (int16_t)(*src++^0x80) << 8; 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 75628ad42b58cf9043c5503672714c09a05b798a081Eric Laurent } else { 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project toWrite = audioBuffer.size; 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project src += toWrite; 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project userSize -= toWrite; 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project written += toWrite; 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project releaseBuffer(&audioBuffer); 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } while (userSize); 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return written; 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Buffer audioBuffer; 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t frames; 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t writtenSize; 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Manage underrun callback 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mActive && (mCblk->framesReady() == 0)) { 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Underrun user: %x, server: %x, flowControlFlag %d", mCblk->user, mCblk->server, mCblk->flowControlFlag); 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCblk->flowControlFlag == 0) { 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCblk->server == mCblk->frameCount) { 784a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->flowControlFlag = 1; 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSharedBuffer != 0) return false; 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 790a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Manage loop end callback 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (mLoopCount > mCblk->loopCount) { 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int loopCount = -1; 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLoopCount--; 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Manage marker callback 8014a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCblk->server >= mMarkerPosition) { 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 8044a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = true; 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Manage new position callback 809a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (mUpdatePeriod > 0) { 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (mCblk->server >= mNewPosition) { 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNewPosition += mUpdatePeriod; 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If Shared buffer is used, no data is requested from client. 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSharedBuffer != 0) { 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frames = 0; 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frames = mRemainingFrames; 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer.frameCount = frames; 826a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 827a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // Calling obtainBuffer() with a wait count of 1 828a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // limits wait time to WAIT_PERIOD_MS. This prevents from being 829a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // stuck here not being able to handle timed events (position, markers, loops). 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, 1); 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err < NO_ERROR) { 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != TIMED_OUT) { 833ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent LOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err == status_t(STOPPED)) return false; 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // of the destination buffer 84328ad42b58cf9043c5503672714c09a05b798a081Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer.size >>= 1; 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t reqSize = audioBuffer.size; 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project writtenSize = audioBuffer.size; 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Sanity check on returned size 8524df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 8534df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // The callback is done filling buffers 8544df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // Keep this thread going to handle timed events and 8554df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 8564df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // but don't just loop and block the CPU, so wait 8574df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 8584df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 8594df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 86228ad42b58cf9043c5503672714c09a05b798a081Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 8 to 16 bit conversion 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int8_t *src = audioBuffer.i8 + writtenSize-1; 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = writtenSize; 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int16_t *dst = audioBuffer.i16 + writtenSize-1; 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while(count--) { 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *dst-- = (int16_t)(*src--^0x80) << 8; 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project writtenSize <<= 1; 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer.size = writtenSize; 874a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // NOTE: mCblk->frameSize is not equal to AudioTrack::frameSize() for 875a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // 8 bit PCM data: in this case, mCblk->frameSize is based on a sampel size of 876a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // 16 bit. 877a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer.frameCount = writtenSize/mCblk->frameSize; 878a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frames -= audioBuffer.frameCount; 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project releaseBuffer(&audioBuffer); 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (frames); 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frames == 0) { 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemainingFrames = mNotificationFrames; 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemainingFrames = frames; 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t SIZE = 256; 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[SIZE]; 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 result; 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(" AudioTrack::dump\n"); 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]); 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mFrameCount); 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 90588e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent snprintf(buffer, 255, " sample rate(%d), status(%d), muted(%d)\n", (mCblk == 0) ? 0 : mCblk->sampleRate, mStatus, mMuted); 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ::write(fd, result.string(), result.size()); 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ========================================================================= 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : Thread(bCanCallJava), mReceiver(receiver) 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mReceiver.processAudioBuffer(this); 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::AudioTrackThread::readyToRun() 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::AudioTrackThread::onFirstRef() 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ========================================================================= 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 937fb4f266a1b9f6a20e256d192a940ae4ccc510fadMathias Agopian : lock(Mutex::SHARED), user(0), server(0), userBase(0), serverBase(0), buffers(0), frameCount(0), 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), volumeLR(0), flowControlFlag(1), forceReady(0) 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t u = this->user; 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project u += frameCount; 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (out) { 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (u > this->server) { 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("stepServer occured after track reset"); 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project u = this->server; 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (u >= userBase + this->frameCount) { 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project userBase += this->frameCount; 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this->user = u; 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flowControlFlag = 0; 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return u; 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool audio_track_cblk_t::stepServer(uint32_t frameCount) 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the code below simulates lock-with-timeout 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we MUST do this to protect the AudioFlinger server 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // as this lock is shared with the client. 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err; 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = lock.tryLock(); 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err == -EBUSY) { // just wait a bit 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project usleep(1000); 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = lock.tryLock(); 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != NO_ERROR) { 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // probably, the client just died. 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t s = this->server; 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s += frameCount; 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (out) { 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we switch to normal obtainBuffer() timeout period 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS - 1; 995a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It is possible that we receive a flush() 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // while the mixer is processing a block: in this case, 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we have s > u 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s > this->user) { 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("stepServer occured after track reset"); 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s = this->user; 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s >= loopEnd) { 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s = loopStart; 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (--loopCount == 0) { 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loopEnd = UINT_MAX; 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loopStart = UINT_MAX; 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s >= serverBase + this->frameCount) { 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project serverBase += this->frameCount; 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this->server = s; 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cv.signal(); 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock.unlock(); 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid* audio_track_cblk_t::buffer(uint32_t offset) const 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1027a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return (int8_t *)this->buffers + (offset - userBase) * this->frameSize; 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable() 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(lock); 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return framesAvailable_l(); 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable_l() 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t u = this->user; 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t s = this->server; 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (out) { 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return limit + frameCount - u; 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return frameCount + u - s; 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t audio_track_cblk_t::framesReady() 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t u = this->user; 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t s = this->server; 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (out) { 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (u < loopEnd) { 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return u - s; 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(lock); 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopCount >= 0) { 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (loopEnd - loopStart)*loopCount + u - s; 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UINT_MAX; 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return s - u; 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1074