AudioTrack.cpp revision eb8f850d0b7e53956e917fd9645f808c1a09bc88
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* //device/extlibs/pv/android/AudioTrack.cpp 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Copyright 2007, The Android Open Source Project 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** you may not use this file except in compliance with the License. 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** You may obtain a copy of the License at 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** See the License for the specific language governing permissions and 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** limitations under the License. 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//#define LOG_NDEBUG 0 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "AudioTrack" 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdint.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/types.h> 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <limits.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sched.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/resource.h> 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <private/media/AudioTrackShared.h> 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <media/AudioSystem.h> 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <media/AudioTrack.h> 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 350795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/Parcel.h> 360795272aa226f4e965968a03daddc53ce30b7cdaMathias Agopian#include <binder/IPCThreadState.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Timers.h> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <cutils/atomic.h> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// --------------------------------------------------------------------------- 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::AudioTrack() 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mStatus(NO_INIT) 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::AudioTrack( 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int streamType, 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t sampleRate, 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int format, 56a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent int channels, 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int frameCount, 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t flags, 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callback_t cbf, 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* user, 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int notificationFrames) 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mStatus(NO_INIT) 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 64a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mStatus = set(streamType, sampleRate, format, channels, 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frameCount, flags, cbf, user, notificationFrames, 0); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::AudioTrack( 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int streamType, 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t sampleRate, 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int format, 72a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent int channels, 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const sp<IMemory>& sharedBuffer, 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t flags, 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callback_t cbf, 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* user, 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int notificationFrames) 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : mStatus(NO_INIT) 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 80a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mStatus = set(streamType, sampleRate, format, channels, 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, flags, cbf, user, notificationFrames, sharedBuffer); 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::~AudioTrack() 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mStatus == NO_ERROR) { 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Make sure that callback function exits in the case where 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Otherwise the callback thread will never exit. 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stop(); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAudioTrackThread != 0) { 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrackThread.clear(); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack.clear(); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IPCThreadState::self()->flushCommands(); 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::set( 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int streamType, 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t sampleRate, 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int format, 106a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent int channels, 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int frameCount, 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t flags, 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callback_t cbf, 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void* user, 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int notificationFrames, 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const sp<IMemory>& sharedBuffer, 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bool threadCanCallJava) 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), sharedBuffer->size()); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 118ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent if (mAudioTrack != 0) { 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Track already in use"); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return INVALID_OPERATION; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int afSampleRate; 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t afLatency; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // handle default values first. 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (streamType == AudioSystem::DEFAULT) { 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project streamType = AudioSystem::MUSIC; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sampleRate == 0) { 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sampleRate = afSampleRate; 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // these below should probably come from the audioFlinger too... 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == 0) { 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project format = AudioSystem::PCM_16_BIT; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 143a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (channels == 0) { 144a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent channels = AudioSystem::CHANNEL_OUT_STEREO; 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // validate parameters 148a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (!AudioSystem::isValidFormat(format)) { 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Invalid format"); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 152a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 153a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // force direct flag if format is not linear PCM 154a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (!AudioSystem::isLinearPCM(format)) { 155a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent flags |= AudioSystem::OUTPUT_FLAG_DIRECT; 156a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 157a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 158a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (!AudioSystem::isOutputChannel(channels)) { 159a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent LOGE("Invalid channel mask"); 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 162a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent uint32_t channelCount = AudioSystem::popCount(channels); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 164a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audio_io_handle_t output = AudioSystem::getOutput((AudioSystem::stream_type)streamType, 165a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent sampleRate, format, channels, (AudioSystem::output_flags)flags); 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 167a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (output == 0) { 168a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent LOGE("Could not get audio output for stream type %d", streamType); 169a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return BAD_VALUE; 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 172bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mVolume[LEFT] = 1.0f; 173bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mVolume[RIGHT] = 1.0f; 174eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mFrameCount = frameCount; 175eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mNotificationFramesReq = notificationFrames; 176bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent // create the IAudioTrack 177bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent status_t status = createTrack(streamType, sampleRate, format, channelCount, 178eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent frameCount, flags, sharedBuffer, output, true); 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 180bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (status != NO_ERROR) { 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return status; 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 183bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cbf != 0) { 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mAudioTrackThread == 0) { 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Could not create callback thread"); 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_INIT; 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStatus = NO_ERROR; 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStreamType = streamType; 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFormat = format; 196a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mChannels = channels; 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChannelCount = channelCount; 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSharedBuffer = sharedBuffer; 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMuted = false; 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActive = 0; 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf = cbf; 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUserData = user; 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLoopCount = 0; 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMarkerPosition = 0; 2054a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = false; 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNewPosition = 0; 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUpdatePeriod = 0; 208a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mFlags = flags; 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::initCheck() const 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStatus; 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t AudioTrack::latency() const 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLatency; 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AudioTrack::streamType() const 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStreamType; 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AudioTrack::format() const 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mFormat; 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AudioTrack::channelCount() const 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChannelCount; 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t AudioTrack::frameCount() const 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 242eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent return mCblk->frameCount; 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint AudioTrack::frameSize() const 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 247a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 248a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return channelCount()*((format() == AudioSystem::PCM_8_BIT) ? sizeof(uint8_t) : sizeof(int16_t)); 249a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } else { 250a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return sizeof(uint8_t); 251a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSharedBuffer; 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::start() 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 264eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent status_t status; 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("start %p", this); 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t->exitPending()) { 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t->requestExitAndWait() == WOULD_BLOCK) { 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("AudioTrack::start called from thread"); 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->mLock.lock(); 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (android_atomic_or(1, &mActive) == 0) { 278059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 279059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 280059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent mCblk->waitTimeMs = 0; 281059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent if (t != 0) { 282059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent t->run("AudioTrackThread", THREAD_PRIORITY_AUDIO_CLIENT); 283059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent } else { 284059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent setpriority(PRIO_PROCESS, 0, THREAD_PRIORITY_AUDIO_CLIENT); 285059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent } 286059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent 287eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (mCblk->flags & CBLK_INVALID_MSK) { 288eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent LOGW("start() track %p invalidated, creating a new one", this); 289eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent // no need to clear the invalid flag as this cblk will not be used anymore 290eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent // force new track creation 291eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent status = DEAD_OBJECT; 292eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } else { 293eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent status = mAudioTrack->start(); 294eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 295bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (status == DEAD_OBJECT) { 296bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent LOGV("start() dead IAudioTrack: creating a new one"); 297bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent status = createTrack(mStreamType, mCblk->sampleRate, mFormat, mChannelCount, 298eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mFrameCount, mFlags, mSharedBuffer, getOutput(), false); 29949f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent if (status == NO_ERROR) { 30049f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent status = mAudioTrack->start(); 30149f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent if (status == NO_ERROR) { 30249f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 30349f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent } 30449f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent } 305059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent } 306059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent if (status != NO_ERROR) { 307059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent LOGV("start() failed"); 308059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent android_atomic_and(~1, &mActive); 309bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (t != 0) { 310059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent t->requestExit(); 311bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } else { 312059b4be2a5a5b3fd410f8263e5f5928689c97af7Eric Laurent setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); 313bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->mLock.unlock(); 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::stop() 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("stop %p", this); 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->mLock.lock(); 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 332ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent mCblk->cv.signal(); 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->stop(); 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // would not stop until loopCount reaches 0). 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setLoop(0, 0, 0); 3374a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 3384a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi // to activate it again 3394a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = false; 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // will not stop before end of buffer is reached. 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSharedBuffer != 0) { 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flush(); 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->requestExit(); 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (t != 0) { 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project t->mLock.unlock(); 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AudioTrack::stopped() const 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return !mActive; 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::flush() 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("flush"); 365a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 3664a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi // clear playback marker and periodic update counter 3674a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerPosition = 0; 3684a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = false; 3694a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mUpdatePeriod = 0; 370a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mActive) { 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->flush(); 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // in AudioTrack::obtainBuffer() 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->cv.signal(); 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::pause() 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("pause"); 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->pause(); 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::mute(bool e) 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioTrack->mute(e); 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMuted = e; 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AudioTrack::muted() const 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMuted; 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::setVolume(float left, float right) 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVolume[LEFT] = left; 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVolume[RIGHT] = right; 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // write must be atomic 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->volumeLR = (int32_t(int16_t(left * 0x1000)) << 16) | int16_t(right * 0x1000); 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::getVolume(float* left, float* right) 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *left = mVolume[LEFT]; 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *right = mVolume[RIGHT]; 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 41488e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurentstatus_t AudioTrack::setSampleRate(int rate) 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int afSamplingRate; 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 41988e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return NO_INIT; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 42288e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent if (rate <= 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 42488e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent mCblk->sampleRate = rate; 42588e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return NO_ERROR; 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t AudioTrack::getSampleRate() 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 43088e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return mCblk->sampleRate; 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(cblk->lock); 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopCount == 0) { 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopStart = UINT_MAX; 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopEnd = UINT_MAX; 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopCount = 0; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLoopCount = 0; 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopStart >= loopEnd || 448eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent loopEnd - loopStart > cblk->frameCount) { 449eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent LOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, user %d", loopStart, loopEnd, loopCount, cblk->frameCount, cblk->user); 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 453eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if ((mSharedBuffer != 0) && (loopEnd > cblk->frameCount)) { 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, framecount %d", 455eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent loopStart, loopEnd, cblk->frameCount); 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 457a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopStart = loopStart; 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopEnd = loopEnd; 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->loopCount = loopCount; 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLoopCount = loopCount; 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::getLoop(uint32_t *loopStart, uint32_t *loopEnd, int *loopCount) 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopStart != 0) { 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *loopStart = mCblk->loopStart; 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopEnd != 0) { 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *loopEnd = mCblk->loopEnd; 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopCount != 0) { 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCblk->loopCount < 0) { 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *loopCount = -1; 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *loopCount = mCblk->loopCount; 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMarkerPosition = marker; 4914a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = false; 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (marker == 0) return BAD_VALUE; 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *marker = mMarkerPosition; 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t curPosition; 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project getPosition(&curPosition); 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNewPosition = curPosition + updatePeriod; 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mUpdatePeriod = updatePeriod; 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (updatePeriod == 0) return BAD_VALUE; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *updatePeriod = mUpdatePeriod; 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(mCblk->lock); 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position > mCblk->user) return BAD_VALUE; 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCblk->server = position; 535eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mCblk->flags |= CBLK_FORCEREADY_ON; 536a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (position == 0) return BAD_VALUE; 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *position = mCblk->server; 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::reload() 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!stopped()) return INVALID_OPERATION; 552a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flush(); 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 555eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mCblk->stepUser(mCblk->frameCount); 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 560a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurentaudio_io_handle_t AudioTrack::getOutput() 561a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent{ 562a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return AudioSystem::getOutput((AudioSystem::stream_type)mStreamType, 563a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mCblk->sampleRate, mFormat, mChannels, (AudioSystem::output_flags)mFlags); 564a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent} 565a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 568bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurentstatus_t AudioTrack::createTrack( 569bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent int streamType, 570bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent uint32_t sampleRate, 571bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent int format, 572bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent int channelCount, 573bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent int frameCount, 574bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent uint32_t flags, 575bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent const sp<IMemory>& sharedBuffer, 576eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent audio_io_handle_t output, 577eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent bool enforceFrameCount) 578bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent{ 579bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent status_t status; 580bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 581bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (audioFlinger == 0) { 582bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent LOGE("Could not get audioflinger"); 583bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent return NO_INIT; 584bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 585bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent 586eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent int afSampleRate; 587eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 588eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent return NO_INIT; 589eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 590eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent int afFrameCount; 591eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 592eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent return NO_INIT; 593eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 594eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent uint32_t afLatency; 595eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 596eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent return NO_INIT; 597eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 598eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent 599eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mNotificationFramesAct = mNotificationFramesReq; 600eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (!AudioSystem::isLinearPCM(format)) { 601eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (sharedBuffer != 0) { 602eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent frameCount = sharedBuffer->size(); 603eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 604eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } else { 605eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent // Ensure that buffer depth covers at least audio hardware latency 606eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 607eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (minBufCount < 2) minBufCount = 2; 608eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent 609eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 610eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent 611eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (sharedBuffer == 0) { 612eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (frameCount == 0) { 613eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent frameCount = minFrameCount; 614eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 615eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (mNotificationFramesAct == 0) { 616eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mNotificationFramesAct = frameCount/2; 617eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 618eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent // Make sure that application is notified with sufficient margin 619eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent // before underrun 620eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (mNotificationFramesAct > (uint32_t)frameCount/2) { 621eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mNotificationFramesAct = frameCount/2; 622eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 623eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (frameCount < minFrameCount) { 624eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (enforceFrameCount) { 625eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent LOGE("Invalid buffer size: minFrameCount %d, frameCount %d", minFrameCount, frameCount); 626eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent return BAD_VALUE; 627eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } else { 628eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent frameCount = minFrameCount; 629eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 630eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 631eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } else { 632eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent // Ensure that buffer alignment matches channelcount 633eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (((uint32_t)sharedBuffer->pointer() & (channelCount | 1)) != 0) { 634eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent LOGE("Invalid buffer alignement: address %p, channelCount %d", sharedBuffer->pointer(), channelCount); 635eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent return BAD_VALUE; 636eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 637eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 638eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 639eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 640eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent 641bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 642bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent streamType, 643bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent sampleRate, 644bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent format, 645bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent channelCount, 646bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent frameCount, 647bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent ((uint16_t)flags) << 16, 648bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent sharedBuffer, 649bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent output, 650bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent &status); 651bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent 652bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (track == 0) { 653bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent LOGE("AudioFlinger could not create track, status: %d", status); 654bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent return status; 655bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 656bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent sp<IMemory> cblk = track->getCblk(); 657bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (cblk == 0) { 658bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent LOGE("Could not get control block"); 659bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent return NO_INIT; 660bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 661bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mAudioTrack.clear(); 662bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mAudioTrack = track; 663bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblkMemory.clear(); 664bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblkMemory = cblk; 665bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 666eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mCblk->flags |= CBLK_DIRECTION_OUT; 667bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (sharedBuffer == 0) { 668bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 669bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } else { 670bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblk->buffers = sharedBuffer->pointer(); 671bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent // Force buffer full condition as data is already present in shared memory 672eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mCblk->stepUser(mCblk->frameCount); 673bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 674bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent 675bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent mCblk->volumeLR = (int32_t(int16_t(mVolume[LEFT] * 0x1000)) << 16) | int16_t(mVolume[RIGHT] * 0x1000); 67649f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 67749f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent mCblk->waitTimeMs = 0; 678eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mRemainingFrames = mNotificationFramesAct; 679eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mLatency = afLatency + (1000*mCblk->frameCount) / sampleRate; 680bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent return NO_ERROR; 681bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent} 682bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int active; 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t result; 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 689ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer->frameCount = 0; 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer->size = 0; 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t framesAvail = cblk->framesAvailable(); 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (framesAvail == 0) { 697bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->lock.lock(); 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project goto start_loop_here; 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (framesAvail == 0) { 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project active = mActive; 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (UNLIKELY(!active)) { 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("Not active and NO_MORE_BUFFERS"); 703bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->lock.unlock(); 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_MORE_BUFFERS; 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 706bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (UNLIKELY(!waitCount)) { 707bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->lock.unlock(); 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return WOULD_BLOCK; 709bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 710eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 711eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 712eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 713eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 714eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent LOGW("obtainBuffer() track %p invalidated, creating a new one", this); 715eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent // no need to clear the invalid flag as this cblk will not be used anymore 716eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent cblk->lock.unlock(); 717eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent goto create_new_track; 718eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent } 719a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (__builtin_expect(result!=NO_ERROR, false)) { 720ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent cblk->waitTimeMs += waitTimeMs; 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cblk->user < cblk->loopEnd) { 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW( "obtainBuffer timed out (is the CPU pegged?) %p " 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "user=%08x, server=%08x", this, cblk->user, cblk->server); 727a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->lock.unlock(); 729bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent result = mAudioTrack->start(); 730bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (result == DEAD_OBJECT) { 731bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent LOGW("obtainBuffer() dead IAudioTrack: creating a new one"); 732eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurentcreate_new_track: 733bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent result = createTrack(mStreamType, cblk->sampleRate, mFormat, mChannelCount, 734eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mFrameCount, mFlags, mSharedBuffer, getOutput(), false); 735bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent if (result == NO_ERROR) { 736bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk = mCblk; 737bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 73849f02be9d7fafb8841f75394a90f1409c6f82c1fEric Laurent mAudioTrack->start(); 739bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 740bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent } 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->lock.lock(); 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->waitTimeMs = 0; 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 745a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (--waitCount == 0) { 747bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->lock.unlock(); 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return TIMED_OUT; 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // read the server count again 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project start_loop_here: 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project framesAvail = cblk->framesAvailable_l(); 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 755bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent cblk->lock.unlock(); 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->waitTimeMs = 0; 759a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (framesReq > framesAvail) { 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project framesReq = framesAvail; 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t u = cblk->user; 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (u + framesReq > bufferEnd) { 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project framesReq = bufferEnd - u; 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 771a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->flags = mMuted ? Buffer::MUTE : 0; 772a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->channelCount = mChannelCount; 773a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->frameCount = framesReq; 774a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->size = framesReq * cblk->frameSize; 775a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 776a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->format = AudioSystem::PCM_16_BIT; 777a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } else { 778a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->format = mFormat; 779a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 780a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer->raw = (int8_t *)cblk->buffer(u); 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project active = mActive; 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cblk->stepUser(audioBuffer->frameCount); 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (ssize_t(userSize) < 0) { 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // sanity-check. user is most-likely passing an error code. 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project buffer, userSize, userSize); 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return BAD_VALUE; 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ssize_t written = 0; 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Buffer audioBuffer; 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 812a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer.frameCount = userSize/frameSize(); 813a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Calling obtainBuffer() with a negative wait count causes 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // an (almost) infinite wait time. 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err < 0) { 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // out of buffers, return #bytes written 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ssize_t(err); 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t toWrite; 825a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 82628ad42b58cf9043c5503672714c09a05b798a081Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Divide capacity by 2 to take expansion into account 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project toWrite = audioBuffer.size>>1; 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 8 to 16 bit conversion 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = toWrite; 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int16_t *dst = (int16_t *)(audioBuffer.i8); 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while(count--) { 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *dst++ = (int16_t)(*src++^0x80) << 8; 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 83528ad42b58cf9043c5503672714c09a05b798a081Eric Laurent } else { 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project toWrite = audioBuffer.size; 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project src += toWrite; 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project userSize -= toWrite; 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project written += toWrite; 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project releaseBuffer(&audioBuffer); 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } while (userSize); 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return written; 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Buffer audioBuffer; 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t frames; 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t writtenSize; 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Manage underrun callback 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mActive && (mCblk->framesReady() == 0)) { 859eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent LOGV("Underrun user: %x, server: %x, flags %04x", mCblk->user, mCblk->server, mCblk->flags); 860eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if ((mCblk->flags & CBLK_UNDERRUN_MSK) == CBLK_UNDERRUN_OFF) { 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCblk->server == mCblk->frameCount) { 863a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 865eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mCblk->flags |= CBLK_UNDERRUN_ON; 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSharedBuffer != 0) return false; 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 869a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Manage loop end callback 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (mLoopCount > mCblk->loopCount) { 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int loopCount = -1; 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLoopCount--; 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Manage marker callback 8804a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCblk->server >= mMarkerPosition) { 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 8834a5c1a7e84a250eafe0e3a12d859c45747520d55Jean-Michel Trivi mMarkerReached = true; 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Manage new position callback 888a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent if (mUpdatePeriod > 0) { 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (mCblk->server >= mNewPosition) { 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNewPosition += mUpdatePeriod; 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If Shared buffer is used, no data is requested from client. 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSharedBuffer != 0) { 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frames = 0; 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frames = mRemainingFrames; 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer.frameCount = frames; 905a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 906a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // Calling obtainBuffer() with a wait count of 1 907a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // limits wait time to WAIT_PERIOD_MS. This prevents from being 908a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // stuck here not being able to handle timed events (position, markers, loops). 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, 1); 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err < NO_ERROR) { 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != TIMED_OUT) { 912ef02827d4c3b9c0601eddc9c348fc2ea866420a2Eric Laurent LOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err == status_t(STOPPED)) return false; 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // of the destination buffer 92228ad42b58cf9043c5503672714c09a05b798a081Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer.size >>= 1; 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t reqSize = audioBuffer.size; 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project writtenSize = audioBuffer.size; 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Sanity check on returned size 9314df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 9324df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // The callback is done filling buffers 9334df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // Keep this thread going to handle timed events and 9344df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 9354df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // but don't just loop and block the CPU, so wait 9364df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 9374df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 9384df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 94128ad42b58cf9043c5503672714c09a05b798a081Eric Laurent if (mFormat == AudioSystem::PCM_8_BIT && !(mFlags & AudioSystem::OUTPUT_FLAG_DIRECT)) { 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // 8 to 16 bit conversion 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const int8_t *src = audioBuffer.i8 + writtenSize-1; 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int count = writtenSize; 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int16_t *dst = audioBuffer.i16 + writtenSize-1; 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while(count--) { 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *dst-- = (int16_t)(*src--^0x80) << 8; 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project writtenSize <<= 1; 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffer.size = writtenSize; 953a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // NOTE: mCblk->frameSize is not equal to AudioTrack::frameSize() for 954a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // 8 bit PCM data: in this case, mCblk->frameSize is based on a sampel size of 955a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent // 16 bit. 956a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent audioBuffer.frameCount = writtenSize/mCblk->frameSize; 957a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project frames -= audioBuffer.frameCount; 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project releaseBuffer(&audioBuffer); 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (frames); 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (frames == 0) { 965eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent mRemainingFrames = mNotificationFramesAct; 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemainingFrames = frames; 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t SIZE = 256; 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char buffer[SIZE]; 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String8 result; 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(" AudioTrack::dump\n"); 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]); 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 982eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mCblk->frameCount); 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 98488e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent snprintf(buffer, 255, " sample rate(%d), status(%d), muted(%d)\n", (mCblk == 0) ? 0 : mCblk->sampleRate, mStatus, mMuted); 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project result.append(buffer); 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ::write(fd, result.string(), result.size()); 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ========================================================================= 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project : Thread(bCanCallJava), mReceiver(receiver) 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mReceiver.processAudioBuffer(this); 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectstatus_t AudioTrack::AudioTrackThread::readyToRun() 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return NO_ERROR; 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid AudioTrack::AudioTrackThread::onFirstRef() 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ========================================================================= 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 1016a729f97e8bfba67a94b1cde26d0d78d84528de85Mathias Agopian : lock(Mutex::SHARED), cv(Condition::SHARED), user(0), server(0), 1017a729f97e8bfba67a94b1cde26d0d78d84528de85Mathias Agopian userBase(0), serverBase(0), buffers(0), frameCount(0), 1018a729f97e8bfba67a94b1cde26d0d78d84528de85Mathias Agopian loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), volumeLR(0), 1019eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent flags(0) 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t u = this->user; 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project u += frameCount; 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 1029eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (flags & CBLK_DIRECTION_MSK) { 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (u > this->server) { 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("stepServer occured after track reset"); 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project u = this->server; 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (u >= userBase + this->frameCount) { 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project userBase += this->frameCount; 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this->user = u; 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 1046eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent flags &= ~CBLK_UNDERRUN_MSK; 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return u; 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool audio_track_cblk_t::stepServer(uint32_t frameCount) 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the code below simulates lock-with-timeout 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we MUST do this to protect the AudioFlinger server 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // as this lock is shared with the client. 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t err; 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = lock.tryLock(); 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err == -EBUSY) { // just wait a bit 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project usleep(1000); 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project err = lock.tryLock(); 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (err != NO_ERROR) { 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // probably, the client just died. 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t s = this->server; 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s += frameCount; 1071eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (flags & CBLK_DIRECTION_MSK) { 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we switch to normal obtainBuffer() timeout period 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 1075bda7469d9b1ec6d9c9d6da40ddf64dc39ff271a9Eric Laurent bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS - 1; 1076a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent } 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It is possible that we receive a flush() 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // while the mixer is processing a block: in this case, 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // we have s > u 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s > this->user) { 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW("stepServer occured after track reset"); 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s = this->user; 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s >= loopEnd) { 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project s = loopStart; 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (--loopCount == 0) { 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loopEnd = UINT_MAX; 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loopStart = UINT_MAX; 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s >= serverBase + this->frameCount) { 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project serverBase += this->frameCount; 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this->server = s; 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cv.signal(); 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock.unlock(); 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid* audio_track_cblk_t::buffer(uint32_t offset) const 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1108a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent return (int8_t *)this->buffers + (offset - userBase) * this->frameSize; 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable() 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(lock); 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return framesAvailable_l(); 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable_l() 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t u = this->user; 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t s = this->server; 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1122eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (flags & CBLK_DIRECTION_MSK) { 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return limit + frameCount - u; 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return frameCount + u - s; 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectuint32_t audio_track_cblk_t::framesReady() 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t u = this->user; 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project uint32_t s = this->server; 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1135eb8f850d0b7e53956e917fd9645f808c1a09bc88Eric Laurent if (flags & CBLK_DIRECTION_MSK) { 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (u < loopEnd) { 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return u - s; 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Mutex::Autolock _l(lock); 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (loopCount >= 0) { 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (loopEnd - loopStart)*loopCount + u - s; 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return UINT_MAX; 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return s - u; 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// ------------------------------------------------------------------------- 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1155