AudioRecord.cpp revision c2f1f07084818942352c6bbfb36af9b6b330eb4e
189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project/* 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Copyright 2008, The Android Open Source Project 489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** you may not use this file except in compliance with the License. 789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** You may obtain a copy of the License at 889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 1089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 1189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 1289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 1389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** See the License for the specific language governing permissions and 1589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** limitations under the License. 1689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project*/ 1789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project//#define LOG_NDEBUG 0 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LOG_TAG "AudioRecord" 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <stdint.h> 2289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/types.h> 2389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sched.h> 2589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/resource.h> 2689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <private/media/AudioTrackShared.h> 2889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioSystem.h> 3089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioRecord.h> 31c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent#include <media/mediarecorder.h> 3289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 337562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/IServiceManager.h> 3489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 357562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/MemoryDealer.h> 367562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/Parcel.h> 377562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/IPCThreadState.h> 3889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Timers.h> 3989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <cutils/atomic.h> 4089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) 4289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) 4389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 4589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 4789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::AudioRecord() 49c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent : mStatus(NO_INIT), mInput(0) 5089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 5289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::AudioRecord( 54f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurent int inputSource, 5589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 5689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int format, 57c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channels, 5889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 5989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 6089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 6189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 6289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames) 63c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent : mStatus(NO_INIT), mInput(0) 6489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 65c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mStatus = set(inputSource, sampleRate, format, channels, 6689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frameCount, flags, cbf, user, notificationFrames); 6789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 6889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::~AudioRecord() 7089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 7289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer empty condition in obtainBuffer(). 7489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 7589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mClientRecordThread != 0) { 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mClientRecordThread->requestExitAndWait(); 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mClientRecordThread.clear(); 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioRecord.clear(); 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 82c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::releaseInput(mInput); 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 8589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::set( 87f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurent int inputSource, 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int format, 90c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent uint32_t channels, 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bool threadCanCallJava) 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 99c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGV("set(): sampleRate %d, channels %d, frameCount %d",sampleRate, channels, frameCount); 1001dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioRecord != 0) { 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (audioFlinger == 0) { 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 10889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (inputSource == AUDIO_SOURCE_DEFAULT) { 110c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent inputSource = AUDIO_SOURCE_MIC; 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = DEFAULT_SAMPLE_RATE; 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (format == 0) { 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project format = AudioSystem::PCM_16_BIT; 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 120c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // validate parameters 121c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isValidFormat(format)) { 122c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Invalid format"); 123c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 126c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (!AudioSystem::isInputChannel(channels)) { 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 129c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent int channelCount = AudioSystem::popCount(channels); 130c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 131c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mInput = AudioSystem::getInput(inputSource, 132c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sampleRate, format, channels, (AudioSystem::audio_in_acoustics)flags); 133c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mInput == 0) { 134c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Could not get audio output for stream type %d", inputSource); 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate framecount 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t inputBuffSizeInBytes = -1; 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getInputBufferSize(sampleRate, format, channelCount, &inputBuffSizeInBytes) 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project != NO_ERROR) { 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioSystem could not query the input buffer size."); 143c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return NO_INIT; 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 145c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (inputBuffSizeInBytes == 0) { 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Recording parameters are not supported: sampleRate %d, channelCount %d, format %d", 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate, channelCount, format); 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 151c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameSizeInBytes = channelCount * (format == AudioSystem::PCM_16_BIT ? 2 : 1); 153c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (AudioSystem::isLinearPCM(format)) { 154c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent frameSizeInBytes = channelCount * (format == AudioSystem::PCM_16_BIT ? sizeof(int16_t) : sizeof(int8_t)); 155c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 156c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent frameSizeInBytes = sizeof(int8_t); 157c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 158c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // We use 2* size of input buffer for ping pong use of record buffer. 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int minFrameCount = 2 * inputBuffSizeInBytes / frameSizeInBytes; 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("AudioRecord::set() minFrameCount = %d", minFrameCount); 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frameCount == 0) { 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frameCount = minFrameCount; 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else if (frameCount < minFrameCount) { 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (notificationFrames == 0) { 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project notificationFrames = frameCount/2; 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // open record channel 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t status; 176c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent sp<IAudioRecord> record = audioFlinger->openRecord(getpid(), mInput, 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate, format, 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project channelCount, 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frameCount, 180c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ((uint16_t)flags) << 16, 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project &status); 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (record == 0) { 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioFlinger could not create record track, status: %d", status); 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<IMemory> cblk = record->getCblk(); 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk == 0) { 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cbf != 0) { 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mClientRecordThread = new ClientRecordThread(*this, threadCanCallJava); 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mClientRecordThread == 0) { 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioRecord = record; 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblkMemory = cblk; 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->out = 0; 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mFormat = format; 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Update buffer size in case it has been limited by AudioFlinger during track creation 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mFrameCount = mCblk->frameCount; 207c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mChannelCount = (uint8_t)channelCount; 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mActive = 0; 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf = cbf; 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNotificationFrames = notificationFrames; 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = notificationFrames; 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // TODO: add audio hardware input latency here 214573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mLatency = (1000*mFrameCount) / sampleRate; 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2167d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 219f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurent mInputSource = (uint8_t)inputSource; 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::initCheck() const 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioRecord::latency() const 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioRecord::format() const 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioRecord::channelCount() const 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioRecord::frameCount() const 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFrameCount; 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioRecord::frameSize() const 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 253c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (AudioSystem::isLinearPCM(mFormat)) { 254c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return channelCount()*((format() == AudioSystem::PCM_8_BIT) ? sizeof(uint8_t) : sizeof(int16_t)); 255c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 256c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return sizeof(uint8_t); 257c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 260f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurentint AudioRecord::inputSource() const 261f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurent{ 262f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurent return (int)mInputSource; 263f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurent} 264f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurent 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::start() 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t ret = NO_ERROR; 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<ClientRecordThread> t = mClientRecordThread; 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("start"); 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->exitPending()) { 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->requestExitAndWait() == WOULD_BLOCK) { 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioRecord::start called from thread"); 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_or(1, &mActive) == 0) { 285c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ret = AudioSystem::startInput(mInput); 286c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (ret == NO_ERROR) { 287c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mNewPosition = mCblk->user + mUpdatePeriod; 288c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 289c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCblk->waitTimeMs = 0; 290c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (t != 0) { 291c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent t->run("ClientRecordThread", THREAD_PRIORITY_AUDIO_CLIENT); 292c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 293c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent setpriority(PRIO_PROCESS, 0, THREAD_PRIORITY_AUDIO_CLIENT); 294c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 295c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent ret = mAudioRecord->start(); 29689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 30089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 30189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 30289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ret; 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::stop() 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<ClientRecordThread> t = mClientRecordThread; 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("stop"); 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (android_atomic_and(~1, &mActive) == 1) { 3171dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioRecord->stop(); 3197d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi // the record head position will reset to 0, so if a marker is set, we need 3207d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi // to activate it again 3217d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->requestExit(); 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project setpriority(PRIO_PROCESS, 0, ANDROID_PRIORITY_NORMAL); 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 327c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent AudioSystem::stopInput(mInput); 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioRecord::stopped() const 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return !mActive; 34089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 342573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurentuint32_t AudioRecord::getSampleRate() 343573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent{ 344573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 345573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent} 346573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::setMarkerPosition(uint32_t marker) 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 3527d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::getMarkerPosition(uint32_t *marker) 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (marker == 0) return BAD_VALUE; 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::setPositionUpdatePeriod(uint32_t updatePeriod) 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 37189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::getPositionUpdatePeriod(uint32_t *updatePeriod) 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (updatePeriod == 0) return BAD_VALUE; 38189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 38589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::getPosition(uint32_t *position) 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position == 0) return BAD_VALUE; 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *position = mCblk->user; 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 39589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int active; 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int timeout = 0; 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t result; 40489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 40589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 4061dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 40789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 40989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReady = cblk->framesReady(); 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReady == 0) { 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesReady == 0) { 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (UNLIKELY(!active)) 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (UNLIKELY(!waitCount)) 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project timeout = 0; 4231dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (__builtin_expect(result!=NO_ERROR, false)) { 4251dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW( "obtainBuffer timed out (is the CPU pegged?) " 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "user=%08x, server=%08x", cblk->user, cblk->server); 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project timeout = 1; 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReady = cblk->framesReady(); 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW_IF(timeout, 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "*** SERIOUS WARNING *** obtainBuffer() timed out " 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "but didn't need to be locked. We recovered, but " 44589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "this shouldn't happen (user=%08x, server=%08x)", cblk->user, cblk->server); 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 448c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 44989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesReady) { 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesReady; 45189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 45489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 45589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u + framesReq > bufferEnd) { 45789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 45889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->flags = 0; 46189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->channelCount= mChannelCount; 46289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->format = mFormat; 46389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = framesReq; 464c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->size = framesReq*cblk->frameSize; 46589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->raw = (int8_t*)cblk->buffer(u); 46689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 46789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 46889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 46989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioRecord::releaseBuffer(Buffer* audioBuffer) 47189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 47289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 47389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->stepUser(audioBuffer->frameCount); 47489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 47789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioRecord::read(void* buffer, size_t userSize) 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t read = 0; 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int8_t *dst = static_cast<int8_t*>(buffer); 48389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // sanity-check. user is most-likely passing an error code. 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioRecord::read(buffer=%p, size=%u (%d)", 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("read size: %d", userSize); 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 495c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = userSize/frameSize(); 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Calling obtainBuffer() with a negative wait count causes 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // an (almost) infinite wait time. 49989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t bytesRead = audioBuffer.size; 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(dst, audioBuffer.i8, bytesRead); 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project dst += bytesRead; 51189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= bytesRead; 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project read += bytesRead; 51389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while (userSize); 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return read; 51889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 52189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioRecord::processAudioBuffer(const sp<ClientRecordThread>& thread) 52389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 52489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 52589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames = mRemainingFrames; 52689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t readSize; 52789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 5297d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 53089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->user >= mMarkerPosition) { 53189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 5327d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = true; 53389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 53489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 53589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 53689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 53789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mUpdatePeriod > 0) { 53889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (mCblk->user >= mNewPosition) { 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 54089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 54189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 546c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Calling obtainBuffer() with a wait count of 1 547c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // limits wait time to WAIT_PERIOD_MS. This prevents from being 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stuck here not being able to handle timed events (position, markers). 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, 1); 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 5521dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent LOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 55389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 55689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 55889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 56089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project readSize = audioBuffer.size; 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 564cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent if (ssize_t(readSize) <= 0) { 565cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // The callback is done filling buffers 566cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // Keep this thread going to handle timed events and 567cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // still try to get more data in intervals of WAIT_PERIOD_MS 568cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // but don't just loop and block the CPU, so wait 569cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent usleep(WAIT_PERIOD_MS*1000); 570cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent break; 571cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent } 57289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (readSize > reqSize) readSize = reqSize; 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = readSize; 575c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = readSize/frameSize(); 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 57989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while (frames); 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 582c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage overrun callback 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mActive && (mCblk->framesAvailable_l() == 0)) { 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGV("Overrun user: %x, server: %x, flowControlFlag %d", mCblk->user, mCblk->server, mCblk->flowControlFlag); 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->flowControlFlag == 0) { 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_OVERRUN, mUserData, 0); 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->flowControlFlag = 1; 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = mNotificationFrames; 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::ClientRecordThread::ClientRecordThread(AudioRecord& receiver, bool bCanCallJava) 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : Thread(bCanCallJava), mReceiver(receiver) 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioRecord::ClientRecordThread::threadLoop() 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 60989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mReceiver.processAudioBuffer(this); 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 616