19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* //device/extlibs/pv/android/AudioTrack.cpp 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Copyright 2007, The Android Open Source Project 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** you may not use this file except in compliance with the License. 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** You may obtain a copy of the License at 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** See the License for the specific language governing permissions and 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** limitations under the License. 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//#define LOG_NDEBUG 0 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "AudioTrack" 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdint.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/types.h> 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <limits.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sched.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/resource.h> 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <private/media/AudioTrackShared.h> 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <media/AudioSystem.h> 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <media/AudioTrack.h> 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 350795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/Parcel.h> 360795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/IPCThreadState.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Timers.h> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <cutils/atomic.h> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 44bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh// --------------------------------------------------------------------------- 45bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh 46bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh// static 47bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 48bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh int* frameCount, 49bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh int streamType, 50bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh uint32_t sampleRate) 51bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh{ 52bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh int afSampleRate; 53bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 54bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh return NO_INIT; 55bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh } 56bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh int afFrameCount; 57bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 58bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh return NO_INIT; 59bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh } 60bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh uint32_t afLatency; 61bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 62bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh return NO_INIT; 63bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh } 64bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh 65bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 66bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 67bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh if (minBufCount < 2) minBufCount = 2; 68bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh 69bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 70bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh afFrameCount * minBufCount * sampleRate / afSampleRate; 71bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh return NO_ERROR; 72bd240c2737913d6ed1982788699f93bbc52330c0Chia-chi Yeh} 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// --------------------------------------------------------------------------- 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::AudioTrack() 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mStatus(NO_INIT) 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::AudioTrack( 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int streamType, 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t sampleRate, 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int format, 85a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent int channels, 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int frameCount, 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t flags, 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callback_t cbf, 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* user, 9065b65459e6ac59f8a257009df8014467ae0838eeEric Laurent int notificationFrames, 9165b65459e6ac59f8a257009df8014467ae0838eeEric Laurent int sessionId) 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mStatus(NO_INIT) 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 94a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mStatus = set(streamType, sampleRate, format, channels, 95619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent frameCount, flags, cbf, user, notificationFrames, 96619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 0, false, sessionId); 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::AudioTrack( 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int streamType, 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t sampleRate, 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int format, 103a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent int channels, 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const sp<IMemory>& sharedBuffer, 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t flags, 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callback_t cbf, 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* user, 10865b65459e6ac59f8a257009df8014467ae0838eeEric Laurent int notificationFrames, 10965b65459e6ac59f8a257009df8014467ae0838eeEric Laurent int sessionId) 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mStatus(NO_INIT) 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 112a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mStatus = set(streamType, sampleRate, format, channels, 113619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 0, flags, cbf, user, notificationFrames, 114619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent sharedBuffer, false, sessionId); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::~AudioTrack() 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mStatus == NO_ERROR) { 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure that callback function exits in the case where 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Otherwise the callback thread will never exit. 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stop(); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAudioTrackThread != 0) { 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrackThread.clear(); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack.clear(); 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IPCThreadState::self()->flushCommands(); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::set( 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int streamType, 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t sampleRate, 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int format, 139a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent int channels, 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int frameCount, 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t flags, 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callback_t cbf, 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* user, 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int notificationFrames, 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const sp<IMemory>& sharedBuffer, 14665b65459e6ac59f8a257009df8014467ae0838eeEric Laurent bool threadCanCallJava, 14765b65459e6ac59f8a257009df8014467ae0838eeEric Laurent int sessionId) 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), sharedBuffer->size()); 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 152ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent if (mAudioTrack != 0) { 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Track already in use"); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return INVALID_OPERATION; 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int afSampleRate; 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t afLatency; 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // handle default values first. 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (streamType == AudioSystem::DEFAULT) { 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project streamType = AudioSystem::MUSIC; 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sampleRate == 0) { 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sampleRate = afSampleRate; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // these below should probably come from the audioFlinger too... 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == 0) { 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project format = AudioSystem::PCM_16_BIT; 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 177a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (channels == 0) { 178a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent channels = AudioSystem::CHANNEL_OUT_STEREO; 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // validate parameters 182a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (!AudioSystem::isValidFormat(format)) { 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Invalid format"); 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 186a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 187a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // force direct flag if format is not linear PCM 188a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (!AudioSystem::isLinearPCM(format)) { 189a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent flags |= AudioSystem::OUTPUT_FLAG_DIRECT; 190a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 191a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 192a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (!AudioSystem::isOutputChannel(channels)) { 193a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent LOGE("Invalid channel mask"); 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 196a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent uint32_t channelCount = AudioSystem::popCount(channels); 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 198a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audio_io_handle_t output = AudioSystem::getOutput((AudioSystem::stream_type)streamType, 199a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent sampleRate, format, channels, (AudioSystem::output_flags)flags); 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 201a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (output == 0) { 202a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent LOGE("Could not get audio output for stream type %d", streamType); 203a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return BAD_VALUE; 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 206bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mVolume[LEFT] = 1.0f; 207bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mVolume[RIGHT] = 1.0f; 20865b65459e6ac59f8a257009df8014467ae0838eeEric Laurent mSendLevel = 0; 209eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mFrameCount = frameCount; 210eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mNotificationFramesReq = notificationFrames; 21165b65459e6ac59f8a257009df8014467ae0838eeEric Laurent mSessionId = sessionId; 2127070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent mAuxEffectId = 0; 21365b65459e6ac59f8a257009df8014467ae0838eeEric Laurent 214bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent // create the IAudioTrack 215bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent status_t status = createTrack(streamType, sampleRate, format, channelCount, 216eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent frameCount, flags, sharedBuffer, output, true); 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 218bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (status != NO_ERROR) { 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return status; 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 221bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cbf != 0) { 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAudioTrackThread == 0) { 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Could not create callback thread"); 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStatus = NO_ERROR; 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStreamType = streamType; 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFormat = format; 234a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mChannels = channels; 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChannelCount = channelCount; 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSharedBuffer = sharedBuffer; 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMuted = false; 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActive = 0; 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf = cbf; 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUserData = user; 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLoopCount = 0; 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMarkerPosition = 0; 2434a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = false; 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNewPosition = 0; 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUpdatePeriod = 0; 246a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mFlags = flags; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::initCheck() const 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStatus; 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t AudioTrack::latency() const 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLatency; 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AudioTrack::streamType() const 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStreamType; 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AudioTrack::format() const 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFormat; 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AudioTrack::channelCount() const 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChannelCount; 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t AudioTrack::frameCount() const 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 280eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent return mCblk->frameCount; 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AudioTrack::frameSize() const 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 285a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 286a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return channelCount()*((format() == AudioSystem::PCM_8_BIT) ? sizeof(uint8_t) : sizeof(int16_t)); 287a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } else { 288a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return sizeof(uint8_t); 289a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSharedBuffer; 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::start() 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 302eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent status_t status; 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("start %p", this); 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t->exitPending()) { 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t->requestExitAndWait() == WOULD_BLOCK) { 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("AudioTrack::start called from thread"); 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->mLock.lock(); 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (android_atomic_or(1, &mActive) == 0) { 316059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 317059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 318059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent mCblk->waitTimeMs = 0; 3194712baab81d0b683bc22668d2278c9daff92797eEric Laurent mCblk->flags &= ~CBLK_DISABLED_ON; 320059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent if (t != 0) { 321059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent t->run("AudioTrackThread", THREAD_PRIORITY_AUDIO_CLIENT); 322059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent } else { 323059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent setpriority(PRIO_PROCESS, 0, THREAD_PRIORITY_AUDIO_CLIENT); 324059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent } 325059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent 326eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (mCblk->flags & CBLK_INVALID_MSK) { 327eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent LOGW("start() track %p invalidated, creating a new one", this); 328eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent // no need to clear the invalid flag as this cblk will not be used anymore 329eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent // force new track creation 330eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent status = DEAD_OBJECT; 331eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } else { 332eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent status = mAudioTrack->start(); 333eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 334bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (status == DEAD_OBJECT) { 335bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent LOGV("start() dead IAudioTrack: creating a new one"); 336bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent status = createTrack(mStreamType, mCblk->sampleRate, mFormat, mChannelCount, 337eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mFrameCount, mFlags, mSharedBuffer, getOutput(), false); 33849f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent if (status == NO_ERROR) { 33949f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent status = mAudioTrack->start(); 34049f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent if (status == NO_ERROR) { 34149f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 34249f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent } 34349f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent } 344059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent } 345059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent if (status != NO_ERROR) { 346059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent LOGV("start() failed"); 347059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent android_atomic_and(~1, &mActive); 348bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (t != 0) { 349059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent t->requestExit(); 350bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } else { 351059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); 352bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->mLock.unlock(); 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::stop() 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("stop %p", this); 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->mLock.lock(); 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 371ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent mCblk->cv.signal(); 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->stop(); 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // would not stop until loopCount reaches 0). 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setLoop(0, 0, 0); 3764a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 3774a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi // to activate it again 3784a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = false; 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // will not stop before end of buffer is reached. 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSharedBuffer != 0) { 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flush(); 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->requestExit(); 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->mLock.unlock(); 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AudioTrack::stopped() const 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return !mActive; 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::flush() 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("flush"); 404a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 4054a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi // clear playback marker and periodic update counter 4064a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerPosition = 0; 4074a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = false; 4084a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mUpdatePeriod = 0; 409a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mActive) { 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->flush(); 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // in AudioTrack::obtainBuffer() 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->cv.signal(); 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::pause() 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("pause"); 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->pause(); 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::mute(bool e) 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->mute(e); 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMuted = e; 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AudioTrack::muted() const 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMuted; 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 43865b65459e6ac59f8a257009df8014467ae0838eeEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 44065b65459e6ac59f8a257009df8014467ae0838eeEric Laurent if (left > 1.0f || right > 1.0f) { 44165b65459e6ac59f8a257009df8014467ae0838eeEric Laurent return BAD_VALUE; 44265b65459e6ac59f8a257009df8014467ae0838eeEric Laurent } 44365b65459e6ac59f8a257009df8014467ae0838eeEric Laurent 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVolume[LEFT] = left; 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVolume[RIGHT] = right; 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // write must be atomic 44865b65459e6ac59f8a257009df8014467ae0838eeEric Laurent mCblk->volumeLR = (uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000); 44965b65459e6ac59f8a257009df8014467ae0838eeEric Laurent 45065b65459e6ac59f8a257009df8014467ae0838eeEric Laurent return NO_ERROR; 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::getVolume(float* left, float* right) 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 45565b65459e6ac59f8a257009df8014467ae0838eeEric Laurent if (left != NULL) { 45665b65459e6ac59f8a257009df8014467ae0838eeEric Laurent *left = mVolume[LEFT]; 45765b65459e6ac59f8a257009df8014467ae0838eeEric Laurent } 45865b65459e6ac59f8a257009df8014467ae0838eeEric Laurent if (right != NULL) { 45965b65459e6ac59f8a257009df8014467ae0838eeEric Laurent *right = mVolume[RIGHT]; 46065b65459e6ac59f8a257009df8014467ae0838eeEric Laurent } 46165b65459e6ac59f8a257009df8014467ae0838eeEric Laurent} 46265b65459e6ac59f8a257009df8014467ae0838eeEric Laurent 4637070b36549d511d6627538c73dfbab23fbae5b43Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 46465b65459e6ac59f8a257009df8014467ae0838eeEric Laurent{ 4657070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent LOGV("setAuxEffectSendLevel(%f)", level); 46665b65459e6ac59f8a257009df8014467ae0838eeEric Laurent if (level > 1.0f) { 46765b65459e6ac59f8a257009df8014467ae0838eeEric Laurent return BAD_VALUE; 46865b65459e6ac59f8a257009df8014467ae0838eeEric Laurent } 46965b65459e6ac59f8a257009df8014467ae0838eeEric Laurent 47065b65459e6ac59f8a257009df8014467ae0838eeEric Laurent mSendLevel = level; 47165b65459e6ac59f8a257009df8014467ae0838eeEric Laurent 47265b65459e6ac59f8a257009df8014467ae0838eeEric Laurent mCblk->sendLevel = uint16_t(level * 0x1000); 47365b65459e6ac59f8a257009df8014467ae0838eeEric Laurent 47465b65459e6ac59f8a257009df8014467ae0838eeEric Laurent return NO_ERROR; 47565b65459e6ac59f8a257009df8014467ae0838eeEric Laurent} 47665b65459e6ac59f8a257009df8014467ae0838eeEric Laurent 4777070b36549d511d6627538c73dfbab23fbae5b43Eric Laurentvoid AudioTrack::getAuxEffectSendLevel(float* level) 47865b65459e6ac59f8a257009df8014467ae0838eeEric Laurent{ 47965b65459e6ac59f8a257009df8014467ae0838eeEric Laurent if (level != NULL) { 48065b65459e6ac59f8a257009df8014467ae0838eeEric Laurent *level = mSendLevel; 48165b65459e6ac59f8a257009df8014467ae0838eeEric Laurent } 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 48488e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurentstatus_t AudioTrack::setSampleRate(int rate) 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int afSamplingRate; 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 48988e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return NO_INIT; 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 49288e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent if (rate <= 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 49488e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent mCblk->sampleRate = rate; 49588e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return NO_ERROR; 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t AudioTrack::getSampleRate() 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 50088e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return mCblk->sampleRate; 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(cblk->lock); 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopCount == 0) { 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopStart = UINT_MAX; 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopEnd = UINT_MAX; 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopCount = 0; 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLoopCount = 0; 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopStart >= loopEnd || 518eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent loopEnd - loopStart > cblk->frameCount) { 519eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent LOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, user %d", loopStart, loopEnd, loopCount, cblk->frameCount, cblk->user); 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 523eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if ((mSharedBuffer != 0) && (loopEnd > cblk->frameCount)) { 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, framecount %d", 525eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent loopStart, loopEnd, cblk->frameCount); 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 527a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopStart = loopStart; 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopEnd = loopEnd; 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopCount = loopCount; 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLoopCount = loopCount; 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::getLoop(uint32_t *loopStart, uint32_t *loopEnd, int *loopCount) 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopStart != 0) { 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *loopStart = mCblk->loopStart; 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopEnd != 0) { 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *loopEnd = mCblk->loopEnd; 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopCount != 0) { 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCblk->loopCount < 0) { 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *loopCount = -1; 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *loopCount = mCblk->loopCount; 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMarkerPosition = marker; 5614a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = false; 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (marker == 0) return BAD_VALUE; 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *marker = mMarkerPosition; 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t curPosition; 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getPosition(&curPosition); 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNewPosition = curPosition + updatePeriod; 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUpdatePeriod = updatePeriod; 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (updatePeriod == 0) return BAD_VALUE; 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *updatePeriod = mUpdatePeriod; 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(mCblk->lock); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position > mCblk->user) return BAD_VALUE; 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->server = position; 605eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mCblk->flags |= CBLK_FORCEREADY_ON; 606a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position == 0) return BAD_VALUE; 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *position = mCblk->server; 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::reload() 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 622a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flush(); 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 625eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mCblk->stepUser(mCblk->frameCount); 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 630a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurentaudio_io_handle_t AudioTrack::getOutput() 631a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent{ 632a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return AudioSystem::getOutput((AudioSystem::stream_type)mStreamType, 633a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mCblk->sampleRate, mFormat, mChannels, (AudioSystem::output_flags)mFlags); 634a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent} 635a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 63665b65459e6ac59f8a257009df8014467ae0838eeEric Laurentint AudioTrack::getSessionId() 63765b65459e6ac59f8a257009df8014467ae0838eeEric Laurent{ 63865b65459e6ac59f8a257009df8014467ae0838eeEric Laurent return mSessionId; 63965b65459e6ac59f8a257009df8014467ae0838eeEric Laurent} 64065b65459e6ac59f8a257009df8014467ae0838eeEric Laurent 64165b65459e6ac59f8a257009df8014467ae0838eeEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 64265b65459e6ac59f8a257009df8014467ae0838eeEric Laurent{ 6437070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent LOGV("attachAuxEffect(%d)", effectId); 6447070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 6457070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent if (status == NO_ERROR) { 6467070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent mAuxEffectId = effectId; 6477070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 6487070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return status; 64965b65459e6ac59f8a257009df8014467ae0838eeEric Laurent} 65065b65459e6ac59f8a257009df8014467ae0838eeEric Laurent 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 653bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurentstatus_t AudioTrack::createTrack( 654bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent int streamType, 655bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent uint32_t sampleRate, 656bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent int format, 657bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent int channelCount, 658bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent int frameCount, 659bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent uint32_t flags, 660bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent const sp<IMemory>& sharedBuffer, 661eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent audio_io_handle_t output, 662eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent bool enforceFrameCount) 663bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent{ 664bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent status_t status; 665bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 666bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (audioFlinger == 0) { 667bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent LOGE("Could not get audioflinger"); 668bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent return NO_INIT; 669bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 670bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent 671eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent int afSampleRate; 672eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 673eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent return NO_INIT; 674eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 675eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent int afFrameCount; 676eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 677eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent return NO_INIT; 678eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 679eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent uint32_t afLatency; 680eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 681eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent return NO_INIT; 682eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 683eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent 684eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mNotificationFramesAct = mNotificationFramesReq; 685eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (!AudioSystem::isLinearPCM(format)) { 686eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (sharedBuffer != 0) { 687eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent frameCount = sharedBuffer->size(); 688eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 689eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } else { 690eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent // Ensure that buffer depth covers at least audio hardware latency 691eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 692eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (minBufCount < 2) minBufCount = 2; 693eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent 694eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 695eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent 696eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (sharedBuffer == 0) { 697eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (frameCount == 0) { 698eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent frameCount = minFrameCount; 699eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 700eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (mNotificationFramesAct == 0) { 701eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mNotificationFramesAct = frameCount/2; 702eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 703eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent // Make sure that application is notified with sufficient margin 704eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent // before underrun 705eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (mNotificationFramesAct > (uint32_t)frameCount/2) { 706eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mNotificationFramesAct = frameCount/2; 707eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 708eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (frameCount < minFrameCount) { 709eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (enforceFrameCount) { 710eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent LOGE("Invalid buffer size: minFrameCount %d, frameCount %d", minFrameCount, frameCount); 711eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent return BAD_VALUE; 712eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } else { 713eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent frameCount = minFrameCount; 714eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 715eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 716eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } else { 717eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent // Ensure that buffer alignment matches channelcount 718eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (((uint32_t)sharedBuffer->pointer() & (channelCount | 1)) != 0) { 719eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent LOGE("Invalid buffer alignement: address %p, channelCount %d", sharedBuffer->pointer(), channelCount); 720eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent return BAD_VALUE; 721eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 722eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 723eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 724eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 725eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent 726bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 727bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent streamType, 728bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent sampleRate, 729bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent format, 730bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent channelCount, 731bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent frameCount, 732bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent ((uint16_t)flags) << 16, 733bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent sharedBuffer, 734bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent output, 73565b65459e6ac59f8a257009df8014467ae0838eeEric Laurent &mSessionId, 736bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent &status); 737bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent 738bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (track == 0) { 739bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent LOGE("AudioFlinger could not create track, status: %d", status); 740bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent return status; 741bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 742bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent sp<IMemory> cblk = track->getCblk(); 743bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (cblk == 0) { 744bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent LOGE("Could not get control block"); 745bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent return NO_INIT; 746bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 747bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mAudioTrack.clear(); 748bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mAudioTrack = track; 749bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblkMemory.clear(); 750bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblkMemory = cblk; 751bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 752eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mCblk->flags |= CBLK_DIRECTION_OUT; 753bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (sharedBuffer == 0) { 754bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 755bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } else { 756bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblk->buffers = sharedBuffer->pointer(); 757bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent // Force buffer full condition as data is already present in shared memory 758eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mCblk->stepUser(mCblk->frameCount); 759bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 760bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent 76165b65459e6ac59f8a257009df8014467ae0838eeEric Laurent mCblk->volumeLR = (uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | uint16_t(mVolume[LEFT] * 0x1000); 76265b65459e6ac59f8a257009df8014467ae0838eeEric Laurent mCblk->sendLevel = uint16_t(mSendLevel * 0x1000); 7637070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 76449f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 76549f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent mCblk->waitTimeMs = 0; 766eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mRemainingFrames = mNotificationFramesAct; 767eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mLatency = afLatency + (1000*mCblk->frameCount) / sampleRate; 768bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent return NO_ERROR; 769bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent} 770bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int active; 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t result; 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 777ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer->frameCount = 0; 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer->size = 0; 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t framesAvail = cblk->framesAvailable(); 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (framesAvail == 0) { 785bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->lock.lock(); 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto start_loop_here; 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (framesAvail == 0) { 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project active = mActive; 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (UNLIKELY(!active)) { 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Not active and NO_MORE_BUFFERS"); 791bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->lock.unlock(); 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_MORE_BUFFERS; 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 794bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (UNLIKELY(!waitCount)) { 795bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->lock.unlock(); 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return WOULD_BLOCK; 797bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 798eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 799eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 800eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 801eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 802eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent LOGW("obtainBuffer() track %p invalidated, creating a new one", this); 803eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent // no need to clear the invalid flag as this cblk will not be used anymore 804eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent cblk->lock.unlock(); 805eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent goto create_new_track; 806eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 807a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (__builtin_expect(result!=NO_ERROR, false)) { 808ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent cblk->waitTimeMs += waitTimeMs; 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cblk->user < cblk->loopEnd) { 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW( "obtainBuffer timed out (is the CPU pegged?) %p " 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "user=%08x, server=%08x", this, cblk->user, cblk->server); 815a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->lock.unlock(); 817bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent result = mAudioTrack->start(); 818bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (result == DEAD_OBJECT) { 819bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent LOGW("obtainBuffer() dead IAudioTrack: creating a new one"); 820eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurentcreate_new_track: 821bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent result = createTrack(mStreamType, cblk->sampleRate, mFormat, mChannelCount, 822eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mFrameCount, mFlags, mSharedBuffer, getOutput(), false); 823bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (result == NO_ERROR) { 824bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk = mCblk; 825bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 82649f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent mAudioTrack->start(); 827bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 828bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->lock.lock(); 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->waitTimeMs = 0; 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 833a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (--waitCount == 0) { 835bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->lock.unlock(); 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return TIMED_OUT; 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // read the server count again 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start_loop_here: 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project framesAvail = cblk->framesAvailable_l(); 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 843bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->lock.unlock(); 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8464712baab81d0b683bc22668d2278c9daff92797eEric Laurent // restart track if it was disabled by audioflinger due to previous underrun 8474712baab81d0b683bc22668d2278c9daff92797eEric Laurent if (cblk->flags & CBLK_DISABLED_MSK) { 8484712baab81d0b683bc22668d2278c9daff92797eEric Laurent cblk->flags &= ~CBLK_DISABLED_ON; 8494712baab81d0b683bc22668d2278c9daff92797eEric Laurent LOGW("obtainBuffer() track %p disabled, restarting", this); 8504712baab81d0b683bc22668d2278c9daff92797eEric Laurent mAudioTrack->start(); 8514712baab81d0b683bc22668d2278c9daff92797eEric Laurent } 8524712baab81d0b683bc22668d2278c9daff92797eEric Laurent 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->waitTimeMs = 0; 854a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (framesReq > framesAvail) { 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project framesReq = framesAvail; 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t u = cblk->user; 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (u + framesReq > bufferEnd) { 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project framesReq = bufferEnd - u; 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 866a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->flags = mMuted ? Buffer::MUTE : 0; 867a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->channelCount = mChannelCount; 868a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->frameCount = framesReq; 869a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->size = framesReq * cblk->frameSize; 870a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 871a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->format = AudioSystem::PCM_16_BIT; 872a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } else { 873a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->format = mFormat; 874a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 875a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->raw = (int8_t *)cblk->buffer(u); 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project active = mActive; 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->stepUser(audioBuffer->frameCount); 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ssize_t(userSize) < 0) { 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // sanity-check. user is most-likely passing an error code. 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer, userSize, userSize); 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ssize_t written = 0; 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Buffer audioBuffer; 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 907a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer.frameCount = userSize/frameSize(); 908a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Calling obtainBuffer() with a negative wait count causes 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // an (almost) infinite wait time. 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err < 0) { 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // out of buffers, return #bytes written 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ssize_t(err); 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t toWrite; 920a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 92128ad42b58cf9043c5503672714c09a05b798a081Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Divide capacity by 2 to take expansion into account 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project toWrite = audioBuffer.size>>1; 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 8 to 16 bit conversion 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = toWrite; 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int16_t *dst = (int16_t *)(audioBuffer.i8); 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while(count--) { 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *dst++ = (int16_t)(*src++^0x80) << 8; 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 93028ad42b58cf9043c5503672714c09a05b798a081Eric Laurent } else { 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project toWrite = audioBuffer.size; 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project src += toWrite; 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project userSize -= toWrite; 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project written += toWrite; 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project releaseBuffer(&audioBuffer); 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } while (userSize); 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return written; 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Buffer audioBuffer; 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t frames; 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t writtenSize; 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Manage underrun callback 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mActive && (mCblk->framesReady() == 0)) { 954eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent LOGV("Underrun user: %x, server: %x, flags %04x", mCblk->user, mCblk->server, mCblk->flags); 955eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if ((mCblk->flags & CBLK_UNDERRUN_MSK) == CBLK_UNDERRUN_OFF) { 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCblk->server == mCblk->frameCount) { 958a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 960eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mCblk->flags |= CBLK_UNDERRUN_ON; 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSharedBuffer != 0) return false; 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 964a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Manage loop end callback 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (mLoopCount > mCblk->loopCount) { 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int loopCount = -1; 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLoopCount--; 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Manage marker callback 9754a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCblk->server >= mMarkerPosition) { 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 9784a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = true; 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Manage new position callback 983a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (mUpdatePeriod > 0) { 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (mCblk->server >= mNewPosition) { 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNewPosition += mUpdatePeriod; 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If Shared buffer is used, no data is requested from client. 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSharedBuffer != 0) { 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frames = 0; 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frames = mRemainingFrames; 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer.frameCount = frames; 1000a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 1001a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // Calling obtainBuffer() with a wait count of 1 1002a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // limits wait time to WAIT_PERIOD_MS. This prevents from being 1003a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // stuck here not being able to handle timed events (position, markers, loops). 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, 1); 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err < NO_ERROR) { 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != TIMED_OUT) { 1007ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent LOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err == status_t(STOPPED)) return false; 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // of the destination buffer 101728ad42b58cf9043c5503672714c09a05b798a081Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer.size >>= 1; 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t reqSize = audioBuffer.size; 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project writtenSize = audioBuffer.size; 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Sanity check on returned size 10264df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 10274df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // The callback is done filling buffers 10284df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // Keep this thread going to handle timed events and 10294df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 10304df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // but don't just loop and block the CPU, so wait 10314df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 10324df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 10334df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 103628ad42b58cf9043c5503672714c09a05b798a081Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 8 to 16 bit conversion 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int8_t *src = audioBuffer.i8 + writtenSize-1; 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = writtenSize; 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int16_t *dst = audioBuffer.i16 + writtenSize-1; 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while(count--) { 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *dst-- = (int16_t)(*src--^0x80) << 8; 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project writtenSize <<= 1; 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer.size = writtenSize; 1048a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // NOTE: mCblk->frameSize is not equal to AudioTrack::frameSize() for 1049a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // 8 bit PCM data: in this case, mCblk->frameSize is based on a sampel size of 1050a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // 16 bit. 1051a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer.frameCount = writtenSize/mCblk->frameSize; 1052a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frames -= audioBuffer.frameCount; 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project releaseBuffer(&audioBuffer); 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (frames); 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frames == 0) { 1060eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mRemainingFrames = mNotificationFramesAct; 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemainingFrames = frames; 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t SIZE = 256; 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[SIZE]; 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 result; 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(" AudioTrack::dump\n"); 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]); 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 1077eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mCblk->frameCount); 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 107988e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent snprintf(buffer, 255, " sample rate(%d), status(%d), muted(%d)\n", (mCblk == 0) ? 0 : mCblk->sampleRate, mStatus, mMuted); 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ::write(fd, result.string(), result.size()); 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ========================================================================= 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : Thread(bCanCallJava), mReceiver(receiver) 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mReceiver.processAudioBuffer(this); 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::AudioTrackThread::readyToRun() 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::AudioTrackThread::onFirstRef() 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ========================================================================= 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 1111a729f97e8bfba67a94b1cde26d0d78d84528de85Mathias Agopian : lock(Mutex::SHARED), cv(Condition::SHARED), user(0), server(0), 1112a729f97e8bfba67a94b1cde26d0d78d84528de85Mathias Agopian userBase(0), serverBase(0), buffers(0), frameCount(0), 1113a729f97e8bfba67a94b1cde26d0d78d84528de85Mathias Agopian loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), volumeLR(0), 111465b65459e6ac59f8a257009df8014467ae0838eeEric Laurent flags(0), sendLevel(0) 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t u = this->user; 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project u += frameCount; 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 1124eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (flags & CBLK_DIRECTION_MSK) { 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (u > this->server) { 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("stepServer occured after track reset"); 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project u = this->server; 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (u >= userBase + this->frameCount) { 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project userBase += this->frameCount; 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this->user = u; 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 1141eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent flags &= ~CBLK_UNDERRUN_MSK; 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return u; 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool audio_track_cblk_t::stepServer(uint32_t frameCount) 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the code below simulates lock-with-timeout 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we MUST do this to protect the AudioFlinger server 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // as this lock is shared with the client. 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err; 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = lock.tryLock(); 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err == -EBUSY) { // just wait a bit 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project usleep(1000); 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = lock.tryLock(); 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != NO_ERROR) { 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // probably, the client just died. 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t s = this->server; 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s += frameCount; 1166eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (flags & CBLK_DIRECTION_MSK) { 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we switch to normal obtainBuffer() timeout period 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 1170bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS - 1; 1171a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It is possible that we receive a flush() 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // while the mixer is processing a block: in this case, 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we have s > u 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s > this->user) { 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("stepServer occured after track reset"); 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s = this->user; 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s >= loopEnd) { 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s = loopStart; 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (--loopCount == 0) { 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loopEnd = UINT_MAX; 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loopStart = UINT_MAX; 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s >= serverBase + this->frameCount) { 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project serverBase += this->frameCount; 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this->server = s; 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cv.signal(); 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock.unlock(); 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid* audio_track_cblk_t::buffer(uint32_t offset) const 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1203a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return (int8_t *)this->buffers + (offset - userBase) * this->frameSize; 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable() 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(lock); 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return framesAvailable_l(); 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable_l() 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t u = this->user; 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t s = this->server; 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1217eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (flags & CBLK_DIRECTION_MSK) { 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return limit + frameCount - u; 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return frameCount + u - s; 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t audio_track_cblk_t::framesReady() 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t u = this->user; 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t s = this->server; 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1230eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (flags & CBLK_DIRECTION_MSK) { 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (u < loopEnd) { 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return u - s; 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(lock); 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopCount >= 0) { 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (loopEnd - loopStart)*loopCount + u - s; 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UINT_MAX; 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return s - u; 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1250