AudioRecord.cpp revision b929e417853694e37aba1ef4399f188987b709d9
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 <sys/resource.h> 22868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <sys/types.h> 2389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <binder/IPCThreadState.h> 25868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <cutils/atomic.h> 26868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <cutils/compiler.h> 2789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioRecord.h> 28868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <media/AudioSystem.h> 29868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <system/audio.h> 3089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 3189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <private/media/AudioTrackShared.h> 3389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3515304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh// --------------------------------------------------------------------------- 3615304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 3715304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh// static 3815304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yehstatus_t AudioRecord::getMinFrameCount( 3915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh int* frameCount, 4015304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh uint32_t sampleRate, 4158f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 42dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten audio_channel_mask_t channelMask) 4315304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh{ 4404cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten if (frameCount == NULL) return BAD_VALUE; 4504cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 4604cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten // default to 0 in case of error 4704cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten *frameCount = 0; 4804cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 4915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh size_t size = 0; 50dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten if (AudioSystem::getInputBufferSize(sampleRate, format, channelMask, &size) 5115304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh != NO_ERROR) { 5229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioSystem could not query the input buffer size."); 5315304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return NO_INIT; 5415304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh } 5515304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 5615304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh if (size == 0) { 57dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten ALOGE("Unsupported configuration: sampleRate %d, format %d, channelMask %#x", 58dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten sampleRate, format, channelMask); 5915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return BAD_VALUE; 6015304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh } 6115304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 6215304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh // We double the size of input buffer for ping pong use of record buffer. 6315304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh size <<= 1; 6415304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 65fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(format)) { 66dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten int channelCount = popcount(channelMask); 67671a636931295d9c33ffca74551a804479d01241Eric Laurent size /= channelCount * audio_bytes_per_sample(format); 6815304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh } 6915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 7015304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh *frameCount = size; 7115304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return NO_ERROR; 7215304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh} 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 7589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::AudioRecord() 77879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), mSessionId(0), 78a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(SP_DEFAULT) 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::AudioRecord( 83eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten audio_source_t inputSource, 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 8558f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 86624a7fcb377f2a40109c16de5109ae8ea1f67a69Glenn Kasten audio_channel_mask_t channelMask, 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 90be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 91be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 92879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), mSessionId(0), 93a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(SP_DEFAULT) 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 950d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(inputSource, sampleRate, format, channelMask, 96f92eec53f886f43e4374a36195be55f2a7bbcf36Glenn Kasten frameCount, cbf, user, notificationFrames, sessionId); 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::~AudioRecord() 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer empty condition in obtainBuffer(). 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 10668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mAudioRecordThread != 0) { 10768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread->requestExit(); // see comment in AudioRecord.h 10868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread->requestExitAndWait(); 10968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread.clear(); 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioRecord.clear(); 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1133a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::set( 118eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten audio_source_t inputSource, 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 12058f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 121624a7fcb377f2a40109c16de5109ae8ea1f67a69Glenn Kasten audio_channel_mask_t channelMask, 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 126be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 127be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13085ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV("set(): sampleRate %d, channelMask %#x, frameCount %d",sampleRate, channelMask, 13185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten frameCount); 1321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1351dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioRecord != 0) { 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 139c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (inputSource == AUDIO_SOURCE_DEFAULT) { 140c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent inputSource = AUDIO_SOURCE_MIC; 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = DEFAULT_SAMPLE_RATE; 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 14758f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 148fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 150c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // validate parameters 151fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 15229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid format"); 153c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1560d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_input_channel(channelMask)) { 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 159be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 1600d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelCount = popcount(channelMask); 161c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1627c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent if (sessionId == 0 ) { 1637c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mSessionId = AudioSystem::newAudioSessionId(); 1647c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent } else { 1657c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mSessionId = sessionId; 1667c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent } 1673856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("set(): mSessionId %d", mSessionId); 1687c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent 1696100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent audio_io_handle_t input = AudioSystem::getInput(inputSource, 1707c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent sampleRate, 1717c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent format, 1727c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent channelMask, 1737c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mSessionId); 1746100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent if (input == 0) { 17529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio input for record source %d", inputSource); 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate framecount 18015304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh int minFrameCount = 0; 1816f744d75d3439f7984245e3c489cc7cf91cea41cEric Laurent status_t status = getMinFrameCount(&minFrameCount, sampleRate, format, channelMask); 18215304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh if (status != NO_ERROR) { 18315304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return status; 184c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 1853856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("AudioRecord::set() minFrameCount = %d", minFrameCount); 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frameCount == 0) { 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frameCount = minFrameCount; 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else if (frameCount < minFrameCount) { 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (notificationFrames == 0) { 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project notificationFrames = frameCount/2; 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioRecord 1980d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi status = openRecord_l(sampleRate, format, channelMask, 199a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten frameCount, input); 20034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 204a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (cbf != NULL) { 20568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread = new AudioRecordThread(*this, threadCanCallJava); 20668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread->run("AudioRecord", ANDROID_PRIORITY_AUDIO); 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mFormat = format; 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Update buffer size in case it has been limited by AudioFlinger during track creation 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mFrameCount = mCblk->frameCount; 214c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mChannelCount = (uint8_t)channelCount; 2150d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mChannelMask = channelMask; 21668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mActive = false; 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf = cbf; 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNotificationFrames = notificationFrames; 21989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = notificationFrames; 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // TODO: add audio hardware input latency here 222573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mLatency = (1000*mFrameCount) / sampleRate; 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2247d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 227eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten mInputSource = inputSource; 22805bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent mInput = input; 2293a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::initCheck() const 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioRecord::latency() const 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24658f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kastenaudio_format_t AudioRecord::format() const 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioRecord::channelCount() const 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioRecord::frameCount() const 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFrameCount; 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 261b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kastensize_t AudioRecord::frameSize() const 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 263fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(mFormat)) { 264671a636931295d9c33ffca74551a804479d01241Eric Laurent return channelCount()*audio_bytes_per_sample(mFormat); 265c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 266c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return sizeof(uint8_t); 267c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 270eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kastenaudio_source_t AudioRecord::inputSource() const 271f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurent{ 272eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten return mInputSource; 273f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurent} 274f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurent 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 277a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurentstatus_t AudioRecord::start(AudioSystem::sync_event_t event, int triggerSession) 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t ret = NO_ERROR; 28068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten sp<AudioRecordThread> t = mAudioRecordThread; 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 282a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent ALOGV("start, sync event %d trigger session %d", event, triggerSession); 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 284f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 2851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IAudioRecord and IMemory so that they cannot be destroyed 2861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 287e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioRecord> audioRecord = mAudioRecord; 288e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 2891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 2901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 29168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (!mActive) { 29268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mActive = true; 2936dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten 2941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 2959c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 2961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 2973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("mAudioRecord->start()"); 2983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ret = mAudioRecord->start(event, triggerSession); 2991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 3001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (ret == DEAD_OBJECT) { 3019c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 3026100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3036100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3049c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (cblk->flags & CBLK_INVALID) { 3051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent ret = restoreRecord_l(cblk); 3061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 3071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 3086100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent if (ret == NO_ERROR) { 3091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = cblk->user + mUpdatePeriod; 3102986460984580833161bdaabc7f17da1005a8961Eric Laurent cblk->bufferTimeoutMs = (event == AudioSystem::SYNC_EVENT_NONE) ? MAX_RUN_TIMEOUT_MS : 3112986460984580833161bdaabc7f17da1005a8961Eric Laurent AudioSystem::kSyncRecordStartTimeOutMs; 3121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->waitTimeMs = 0; 3136100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent if (t != 0) { 31468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten t->resume(); 315c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 316879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 317a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 318879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 319c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 3206100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } else { 32168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mActive = false; 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ret; 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 328d64cd233eef39430561c1e1df423336a199cc5d7Glenn Kastenvoid AudioRecord::stop() 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten sp<AudioRecordThread> t = mAudioRecordThread; 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3323856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stop"); 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 334f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 33568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mActive) { 33668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mActive = false; 3371dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioRecord->stop(); 3397d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi // the record head position will reset to 0, so if a marker is set, we need 3407d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi // to activate it again 3417d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 34289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 34368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten t->pause(); 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 345879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 346a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioRecord::stopped() const 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 35368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex lock(mLock); 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return !mActive; 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 357606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenuint32_t AudioRecord::getSampleRate() const 358573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent{ 359573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 360573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent} 361573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::setMarkerPosition(uint32_t marker) 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 364a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 366955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 3687d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 37189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 373606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getMarkerPosition(uint32_t *marker) const 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 375a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (marker == NULL) return BAD_VALUE; 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 377955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 38189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::setPositionUpdatePeriod(uint32_t updatePeriod) 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 385a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 389955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten 390955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 39389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 39589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 397606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getPositionUpdatePeriod(uint32_t *updatePeriod) const 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 399a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (updatePeriod == NULL) return BAD_VALUE; 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 401955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 40589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 407606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getPosition(uint32_t *position) const 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 409a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (position == NULL) return BAD_VALUE; 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *position = mCblk->user; 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 417606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenunsigned int AudioRecord::getInputFramesLost() const 41805bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent{ 419bf04a5d7f287fc712e0ed91849dc85c90c1e182dGlenn Kasten // no need to check mActive, because if inactive this will return 0, which is what we want 420bf04a5d7f287fc712e0ed91849dc85c90c1e182dGlenn Kasten return AudioSystem::getInputFramesLost(mInput); 42105bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 4261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioRecord::openRecord_l( 42734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 42858f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 429624a7fcb377f2a40109c16de5109ae8ea1f67a69Glenn Kasten audio_channel_mask_t channelMask, 43034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int frameCount, 4316100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent audio_io_handle_t input) 43234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 43334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 43434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 43534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 43634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 43734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 43834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 4391879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten pid_t tid = -1; 4401879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten // FIXME see similar logic at AudioTrack 4411879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten 442955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten int originalSessionId = mSessionId; 4436100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent sp<IAudioRecord> record = audioFlinger->openRecord(getpid(), input, 44434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, format, 4450d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask, 44634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 447a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::TRACK_DEFAULT, 4481879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten tid, 449be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 45034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 451955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten ALOGE_IF(originalSessionId != 0 && mSessionId != originalSessionId, 452955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 4533a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 45434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (record == 0) { 45529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create record track, status: %d", status); 45634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 45734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 45834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IMemory> cblk = record->getCblk(); 45934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (cblk == 0) { 46029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 46134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 46234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 46334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioRecord.clear(); 46434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioRecord = record; 46534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory.clear(); 46634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory = cblk; 46734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 468b929e417853694e37aba1ef4399f188987b709d9Glenn Kasten mBuffers = (char*)mCblk + sizeof(audio_track_cblk_t); 4696100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 4706100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->waitTimeMs = 0; 47134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 47234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 47334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 47489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 47768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten bool active; 478d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t result = NO_ERROR; 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 4811dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 486864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten uint32_t framesReady = cblk->framesReadyIn(); 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReady == 0) { 48934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesReady == 0) { 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 493f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!active)) { 49434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 49634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 497f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!waitCount)) { 49834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 49989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 50034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 5019c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 5021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 5031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 5041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 5051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 50668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (!mActive) { 5071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return status_t(STOPPED); 5081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 5091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 5101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 5119c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (cblk->flags & CBLK_INVALID) { 5121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent goto create_new_record; 5131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 514f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(result != NO_ERROR)) { 5151dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 5175ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW( "obtainBuffer timed out (is the CPU pegged?) " 51889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "user=%08x, server=%08x", cblk->user, cblk->server); 51934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 520a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // callback thread or sync event hasn't changed 5213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten result = mAudioRecord->start(AudioSystem::SYNC_EVENT_SAME, 0); 5221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 52334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 5249c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 5251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentcreate_new_record: 5261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = AudioRecord::restoreRecord_l(cblk); 5271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 5281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 5295ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("obtainBuffer create Track error %d", result); 5301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 5311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 53234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 53389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 53489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 53589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 53634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 53789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 53889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 54189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 542864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten framesReady = cblk->framesReadyIn(); 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 5482986460984580833161bdaabc7f17da1005a8961Eric Laurent // reset time out to running value after obtaining a buffer 5492986460984580833161bdaabc7f17da1005a8961Eric Laurent cblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 550c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesReady) { 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesReady; 55389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 55689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 558a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (framesReq > bufferEnd - u) { 55989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 56089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = framesReq; 563c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->size = framesReq*cblk->frameSize; 564b929e417853694e37aba1ef4399f188987b709d9Glenn Kasten audioBuffer->raw = cblk->buffer(mBuffers, u); 56589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioRecord::releaseBuffer(Buffer* audioBuffer) 57089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 572864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten mCblk->stepUserIn(audioBuffer->frameCount); 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 575606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenaudio_io_handle_t AudioRecord::getInput() const 5766100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent{ 5771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 578d1a243e41caffa8fd346907eed4625c9c47c1a86Eric Laurent return mInput; 5791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 5821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioRecord::getInput_l() 5831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 58405bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent mInput = AudioSystem::getInput(mInputSource, 5856100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->sampleRate, 5867c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mFormat, 5877c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mChannelMask, 5887c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mSessionId); 58905bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent return mInput; 5906100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent} 5916100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent 592606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenint AudioRecord::getSessionId() const 593be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 594955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten // no lock needed because session ID doesn't change after first set() 595be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return mSessionId; 596be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 597be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 59989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioRecord::read(void* buffer, size_t userSize) 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t read = 0; 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int8_t *dst = static_cast<int8_t*>(buffer); 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // sanity-check. user is most-likely passing an error code. 60829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioRecord::read(buffer=%p, size=%u (%d)", 60989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 6141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IAudioRecord and IMemory so that they cannot be destroyed 6151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 616e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioRecord> audioRecord = mAudioRecord; 617e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 6181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 622c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = userSize/frameSize(); 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62488335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent // By using a wait count corresponding to twice the timeout period in 62588335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent // obtainBuffer() we give a chance to recover once for a read timeout 62688335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent // (if media_server crashed for instance) before returning a length of 62788335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent // 0 bytes read to the client 62888335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent status_t err = obtainBuffer(&audioBuffer, ((2 * MAX_RUN_TIMEOUT_MS) / WAIT_PERIOD_MS)); 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 63388335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent if (err == status_t(TIMED_OUT)) 63488335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent err = 0; 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t bytesRead = audioBuffer.size; 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(dst, audioBuffer.i8, bytesRead); 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project dst += bytesRead; 64289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= bytesRead; 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project read += bytesRead; 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 64689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while (userSize); 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return read; 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 65289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenbool AudioRecord::processAudioBuffer(const sp<AudioRecordThread>& thread) 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames = mRemainingFrames; 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t readSize; 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 6601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IAudioRecord and IMemory so that they cannot be destroyed 6611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 662e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioRecord> audioRecord = mAudioRecord; 663e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 6641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 66568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten bool active = mActive; 666955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t markerPosition = mMarkerPosition; 667955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t newPosition = mNewPosition; 668955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t user = cblk->user; 669955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten // determine whether a marker callback will be needed, while locked 670955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten bool needMarker = !mMarkerReached && (mMarkerPosition > 0) && (user >= mMarkerPosition); 671955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten if (needMarker) { 672955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mMarkerReached = true; 673955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten } 674955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten // determine the number of new position callback(s) that will be needed, while locked 675955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t updatePeriod = mUpdatePeriod; 676955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t needNewPos = updatePeriod > 0 && user >= newPosition ? 677955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten ((user - newPosition) / updatePeriod) + 1 : 0; 678955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mNewPosition = newPosition + updatePeriod * needNewPos; 6791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 6801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 681955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten // perform marker callback, while unlocked 682955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten if (needMarker) { 683955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 686955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten // perform new position callback(s), while unlocked 687955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten for (; needNewPos > 0; --needNewPos) { 688955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t temp = newPosition; 689955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 690955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten newPosition += updatePeriod; 69189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 69289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 695c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Calling obtainBuffer() with a wait count of 1 696c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // limits wait time to WAIT_PERIOD_MS. This prevents from being 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stuck here not being able to handle timed events (position, markers). 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, 1); 69989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 70089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 70185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGE_IF(err != status_t(NO_MORE_BUFFERS), 70285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "Error obtaining an audio buffer, giving up."); 70389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 70489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 70889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 71089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 71189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project readSize = audioBuffer.size; 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 714cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent if (ssize_t(readSize) <= 0) { 715cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // The callback is done filling buffers 716cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // Keep this thread going to handle timed events and 717cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // still try to get more data in intervals of WAIT_PERIOD_MS 718cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // but don't just loop and block the CPU, so wait 719cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent usleep(WAIT_PERIOD_MS*1000); 720cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent break; 721cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent } 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (readSize > reqSize) readSize = reqSize; 72389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = readSize; 725c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = readSize/frameSize(); 72689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 72789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 72989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 73089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while (frames); 73189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 732c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 73389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage overrun callback 734864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten if (active && (cblk->framesAvailableIn() == 0)) { 73568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // The value of active is stale, but we are almost sure to be active here because 73668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // otherwise we would have exited when obtainBuffer returned STOPPED earlier. 7373856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Overrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags); 7389c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(android_atomic_or(CBLK_UNDERRUN, &cblk->flags) & CBLK_UNDERRUN)) { 739955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_OVERRUN, mUserData, NULL); 74089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 74189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 74289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 74489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = mNotificationFrames; 74589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 74689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 74789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 74889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 74989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 75089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock and cblk.lock held. Callers must also hold strong references on 7521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// the IAudioRecord and IMemory in case they are recreated here. 7531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// If the IAudioRecord is successfully restored, the cblk pointer is updated 7541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioRecord::restoreRecord_l(audio_track_cblk_t*& cblk) 7551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 7561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 7571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7589c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(android_atomic_or(CBLK_RESTORING, &cblk->flags) & CBLK_RESTORING)) { 7595ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioRecord, creating a new one"); 7601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // signal old cblk condition so that other threads waiting for available buffers stop 7611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // waiting now 7621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->cv.broadcast(); 7631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 7641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // if the new IAudioRecord is created, openRecord_l() will modify the 7661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // following member variables: mAudioRecord, mCblkMemory and mCblk. 7671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // It will also delete the strong references on previous IAudioRecord and IMemory 7680d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi result = openRecord_l(cblk->sampleRate, mFormat, mChannelMask, 769a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten mFrameCount, getInput_l()); 7701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 771a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // callback thread or sync event hasn't changed 7723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten result = mAudioRecord->start(AudioSystem::SYNC_EVENT_SAME, 0); 7731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 7741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 7751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mActive = false; 7761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 7771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // signal old cblk condition for other threads waiting for restore completion 7799c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_or(CBLK_RESTORED, &cblk->flags); 7801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->cv.broadcast(); 7811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } else { 7829c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(cblk->flags & CBLK_RESTORED)) { 7835ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioRecord, waiting for a new one to be created"); 7841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 7851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(RESTORE_TIMEOUT_MS)); 7861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 7871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 7881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } else { 7895ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioRecord, already restored"); 7901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = NO_ERROR; 7911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 7921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 79368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (result != NO_ERROR || !mActive) { 7941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = status_t(STOPPED); 7951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 7961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 7973856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("restoreRecord_l() status %d mActive %d cblk %p, old cblk %p flags %08x old flags %08x", 798e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten result, mActive, mCblk, cblk, mCblk->flags, cblk->flags); 7991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 8011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // from now on we switch to the newly created cblk 8021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk = mCblk; 8031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 8041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 8051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8065ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreRecord_l() error %d", result); 8071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 8091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 8101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 81189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 81289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn KastenAudioRecord::AudioRecordThread::AudioRecordThread(AudioRecord& receiver, bool bCanCallJava) 81468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true) 81568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 81668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 81768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 81868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn KastenAudioRecord::AudioRecordThread::~AudioRecordThread() 81968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 82068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 82168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 82268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenbool AudioRecord::AudioRecordThread::threadLoop() 82368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 82468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten { 82568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 82668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mPaused) { 82768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mMyCond.wait(mMyLock); 82868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // caller will check for exitPending() 82968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten return true; 83068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 83168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 83268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (!mReceiver.processAudioBuffer(this)) { 83368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten pause(); 83468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 83568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten return true; 83668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 83768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 83868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::requestExit() 83989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 84068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // must be in this order to avoid a race condition 84168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten Thread::requestExit(); 84268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten resume(); 84389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 84489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::pause() 84689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 84768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 84868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mPaused = true; 84989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 85089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 85168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::resume() 8526dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten{ 85368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 85468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mPaused) { 85568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mPaused = false; 85668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mMyCond.signal(); 8576dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten } 8586dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten} 8596dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten 86089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 86189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 86289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 863