AudioRecord.cpp revision a42ff007a17d63df22c60dd5e5fd811ee45ca1b3
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( 39e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* 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) { 573b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten ALOGE("Unsupported configuration: sampleRate %u, 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)) { 66a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten uint32_t 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, 122e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten int frameCountInt, 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{ 129e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten // FIXME "int" here is legacy and will be replaced by size_t later 130e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (frameCountInt < 0) { 131e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGE("Invalid frame count %d", frameCountInt); 132e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten return BAD_VALUE; 133e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten } 134e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount = frameCountInt; 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 136e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set(): sampleRate %u, channelMask %#x, frameCount %u", sampleRate, channelMask, 13785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten frameCount); 1381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1411dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioRecord != 0) { 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 145c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (inputSource == AUDIO_SOURCE_DEFAULT) { 146c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent inputSource = AUDIO_SOURCE_MIC; 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = DEFAULT_SAMPLE_RATE; 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 15358f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 154fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // validate parameters 157fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 15829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid format"); 159c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1620d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_input_channel(channelMask)) { 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 165a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 166a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten uint32_t channelCount = popcount(channelMask); 167a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 168c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1697c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent if (sessionId == 0 ) { 1707c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mSessionId = AudioSystem::newAudioSessionId(); 1717c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent } else { 1727c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mSessionId = sessionId; 1737c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent } 1743856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("set(): mSessionId %d", mSessionId); 1757c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent 1766100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent audio_io_handle_t input = AudioSystem::getInput(inputSource, 1777c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent sampleRate, 1787c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent format, 1797c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent channelMask, 1807c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mSessionId); 1816100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent if (input == 0) { 18229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio input for record source %d", inputSource); 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate framecount 187e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t minFrameCount = 0; 1886f744d75d3439f7984245e3c489cc7cf91cea41cEric Laurent status_t status = getMinFrameCount(&minFrameCount, sampleRate, format, channelMask); 18915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh if (status != NO_ERROR) { 19015304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return status; 191c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 1923856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("AudioRecord::set() minFrameCount = %d", minFrameCount); 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frameCount == 0) { 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frameCount = minFrameCount; 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else if (frameCount < minFrameCount) { 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (notificationFrames == 0) { 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project notificationFrames = frameCount/2; 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioRecord 205a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten status = openRecord_l(sampleRate, format, frameCount, input); 20634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 210a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (cbf != NULL) { 21168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread = new AudioRecordThread(*this, threadCanCallJava); 21268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread->run("AudioRecord", ANDROID_PRIORITY_AUDIO); 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mFormat = format; 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Update buffer size in case it has been limited by AudioFlinger during track creation 219b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = mCblk->frameCount_; 22083a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten 22183a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten if (audio_is_linear_pcm(mFormat)) { 22283a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 22383a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten } else { 22483a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten mFrameSize = sizeof(uint8_t); 22583a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten } 22683a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten 22768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mActive = false; 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf = cbf; 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNotificationFrames = notificationFrames; 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = notificationFrames; 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // TODO: add audio hardware input latency here 233573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mLatency = (1000*mFrameCount) / sampleRate; 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2357d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 238eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten mInputSource = inputSource; 23905bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent mInput = input; 2403a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::initCheck() const 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioRecord::latency() const 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25758f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kastenaudio_format_t AudioRecord::format() const 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 262a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kastenuint32_t AudioRecord::channelCount() const 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 267e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kastensize_t AudioRecord::frameCount() const 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFrameCount; 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 272eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kastenaudio_source_t AudioRecord::inputSource() const 273f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurent{ 274eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten return mInputSource; 275f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurent} 276f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurent 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 279a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurentstatus_t AudioRecord::start(AudioSystem::sync_event_t event, int triggerSession) 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t ret = NO_ERROR; 28268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten sp<AudioRecordThread> t = mAudioRecordThread; 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 284a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent ALOGV("start, sync event %d trigger session %d", event, triggerSession); 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 286f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 2871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IAudioRecord and IMemory so that they cannot be destroyed 2881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 289e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioRecord> audioRecord = mAudioRecord; 290e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 2911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 2921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 29368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (!mActive) { 29468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mActive = true; 2956dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten 2961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 2979c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 2981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 2993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("mAudioRecord->start()"); 3003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ret = mAudioRecord->start(event, triggerSession); 3011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 3021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (ret == DEAD_OBJECT) { 3039c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 3046100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3056100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3069c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (cblk->flags & CBLK_INVALID) { 307b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten audio_track_cblk_t* temp = cblk; 308b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten ret = restoreRecord_l(temp); 309b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten cblk = temp; 3101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 3111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 3126100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent if (ret == NO_ERROR) { 3131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = cblk->user + mUpdatePeriod; 3142986460984580833161bdaabc7f17da1005a8961Eric Laurent cblk->bufferTimeoutMs = (event == AudioSystem::SYNC_EVENT_NONE) ? MAX_RUN_TIMEOUT_MS : 3152986460984580833161bdaabc7f17da1005a8961Eric Laurent AudioSystem::kSyncRecordStartTimeOutMs; 3161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->waitTimeMs = 0; 3176100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent if (t != 0) { 31868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten t->resume(); 319c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 320879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 321a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 322879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 323c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 3246100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } else { 32568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mActive = false; 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ret; 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 332d64cd233eef39430561c1e1df423336a199cc5d7Glenn Kastenvoid AudioRecord::stop() 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten sp<AudioRecordThread> t = mAudioRecordThread; 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3363856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stop"); 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 338f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 33968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mActive) { 34068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mActive = false; 3411dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 34289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioRecord->stop(); 3437d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi // the record head position will reset to 0, so if a marker is set, we need 3447d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi // to activate it again 3457d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 34768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten t->pause(); 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 349879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 350a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioRecord::stopped() const 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 35768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex lock(mLock); 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return !mActive; 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 361606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenuint32_t AudioRecord::getSampleRate() const 362573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent{ 363573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 364573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent} 365573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::setMarkerPosition(uint32_t marker) 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 368a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 370955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 37189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 3727d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 377606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getMarkerPosition(uint32_t *marker) const 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 379a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (marker == NULL) return BAD_VALUE; 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 381955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 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::setPositionUpdatePeriod(uint32_t updatePeriod) 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 389a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 393955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten 394955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 39589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 39789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 401606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getPositionUpdatePeriod(uint32_t *updatePeriod) const 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 403a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (updatePeriod == NULL) return BAD_VALUE; 40489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 405955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 40689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 40789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 40989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 411606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getPosition(uint32_t *position) const 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 413a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (position == NULL) return BAD_VALUE; 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *position = mCblk->user; 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 421606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenunsigned int AudioRecord::getInputFramesLost() const 42205bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent{ 423bf04a5d7f287fc712e0ed91849dc85c90c1e182dGlenn Kasten // no need to check mActive, because if inactive this will return 0, which is what we want 424bf04a5d7f287fc712e0ed91849dc85c90c1e182dGlenn Kasten return AudioSystem::getInputFramesLost(mInput); 42505bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 4301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioRecord::openRecord_l( 43134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 43258f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 433e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 4346100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent audio_io_handle_t input) 43534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 43634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 43734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 43834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 439b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten ALOGE("Could not get audioflinger"); 44034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 44134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 44234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 4431879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten pid_t tid = -1; 4441879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten // FIXME see similar logic at AudioTrack 4451879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten 446955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten int originalSessionId = mSessionId; 4476100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent sp<IAudioRecord> record = audioFlinger->openRecord(getpid(), input, 44834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, format, 449a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 45034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 451a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::TRACK_DEFAULT, 4521879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten tid, 453be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 45434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 455955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten ALOGE_IF(originalSessionId != 0 && mSessionId != originalSessionId, 456955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 4573a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 45834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (record == 0) { 45929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create record track, status: %d", status); 46034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 46134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 462b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten sp<IMemory> iMem = record->getCblk(); 463b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (iMem == 0) { 46429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 46534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 46634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 46734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioRecord.clear(); 46834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioRecord = record; 46934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory.clear(); 470b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mCblkMemory = iMem; 471b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); 472b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mCblk = cblk; 473b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mBuffers = (char*)cblk + sizeof(audio_track_cblk_t); 474b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten cblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 475b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten cblk->waitTimeMs = 0; 47634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 47734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 47834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 48268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten bool active; 483d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t result = NO_ERROR; 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 4861dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 491864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten uint32_t framesReady = cblk->framesReadyIn(); 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReady == 0) { 49434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesReady == 0) { 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 498f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!active)) { 49934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 50134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 502f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!waitCount)) { 50334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 50534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 5069c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 5071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 508b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // this condition is in shared memory, so if IAudioRecord and control block 509b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // are replaced due to mediaserver death or IAudioRecord invalidation then 510b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // cv won't be signalled, but fortunately the timeout will limit the wait 5111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 5121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 5131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 51468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (!mActive) { 5151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return status_t(STOPPED); 5161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 517b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // IAudioRecord may have been re-created while mLock was unlocked 518b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten cblk = mCblk; 5191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 5201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 5219c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (cblk->flags & CBLK_INVALID) { 5221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent goto create_new_record; 5231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 524f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(result != NO_ERROR)) { 5251dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 52689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 5275ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW( "obtainBuffer timed out (is the CPU pegged?) " 52889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "user=%08x, server=%08x", cblk->user, cblk->server); 52934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 530a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // callback thread or sync event hasn't changed 5313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten result = mAudioRecord->start(AudioSystem::SYNC_EVENT_SAME, 0); 5321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 53334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 5349c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 5351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentcreate_new_record: 536b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten audio_track_cblk_t* temp = cblk; 537b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten result = AudioRecord::restoreRecord_l(temp); 538b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten cblk = temp; 5391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 5401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 5415ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("obtainBuffer create Track error %d", result); 5421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 5431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 54434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 54834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 55389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 554864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten framesReady = cblk->framesReadyIn(); 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 5602986460984580833161bdaabc7f17da1005a8961Eric Laurent // reset time out to running value after obtaining a buffer 5612986460984580833161bdaabc7f17da1005a8961Eric Laurent cblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 562c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 56389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesReady) { 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesReady; 56589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 568b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten uint32_t bufferEnd = cblk->userBase + mFrameCount; 56989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 570a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (framesReq > bufferEnd - u) { 57189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 57289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = framesReq; 57583a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten audioBuffer->size = framesReq * mFrameSize; 57683a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten audioBuffer->raw = cblk->buffer(mBuffers, mFrameSize, u); 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 57989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioRecord::releaseBuffer(Buffer* audioBuffer) 58289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 584b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mCblk->stepUserIn(audioBuffer->frameCount, mFrameCount); 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 587606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenaudio_io_handle_t AudioRecord::getInput() const 5886100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent{ 5891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 590d1a243e41caffa8fd346907eed4625c9c47c1a86Eric Laurent return mInput; 5911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 5941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioRecord::getInput_l() 5951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 59605bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent mInput = AudioSystem::getInput(mInputSource, 5976100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->sampleRate, 5987c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mFormat, 5997c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mChannelMask, 6007c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mSessionId); 60105bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent return mInput; 6026100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent} 6036100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent 604606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenint AudioRecord::getSessionId() const 605be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 606955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten // no lock needed because session ID doesn't change after first set() 607be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return mSessionId; 608be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 609be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioRecord::read(void* buffer, size_t userSize) 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t read = 0; 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int8_t *dst = static_cast<int8_t*>(buffer); 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // sanity-check. user is most-likely passing an error code. 62029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioRecord::read(buffer=%p, size=%u (%d)", 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 6261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IAudioRecord and IMemory so that they cannot be destroyed 6271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 628e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioRecord> audioRecord = mAudioRecord; 629e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 6301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 634c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = userSize/frameSize(); 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63688335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent // By using a wait count corresponding to twice the timeout period in 63788335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent // obtainBuffer() we give a chance to recover once for a read timeout 63888335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent // (if media_server crashed for instance) before returning a length of 63988335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent // 0 bytes read to the client 64088335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent status_t err = obtainBuffer(&audioBuffer, ((2 * MAX_RUN_TIMEOUT_MS) / WAIT_PERIOD_MS)); 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 64289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 643d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (err == status_t(NO_MORE_BUFFERS)) { 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 645d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 646d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (err == status_t(TIMED_OUT)) { 64788335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent err = 0; 648d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t bytesRead = audioBuffer.size; 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(dst, audioBuffer.i8, bytesRead); 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project dst += bytesRead; 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= bytesRead; 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project read += bytesRead; 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while (userSize); 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return read; 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenbool AudioRecord::processAudioBuffer(const sp<AudioRecordThread>& thread) 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames = mRemainingFrames; 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t readSize; 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 6741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IAudioRecord and IMemory so that they cannot be destroyed 6751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 676e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioRecord> audioRecord = mAudioRecord; 677e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 6781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 67968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten bool active = mActive; 680955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t markerPosition = mMarkerPosition; 681955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t newPosition = mNewPosition; 682955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t user = cblk->user; 683955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten // determine whether a marker callback will be needed, while locked 684955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten bool needMarker = !mMarkerReached && (mMarkerPosition > 0) && (user >= mMarkerPosition); 685955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten if (needMarker) { 686955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mMarkerReached = true; 687955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten } 688955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten // determine the number of new position callback(s) that will be needed, while locked 689955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t updatePeriod = mUpdatePeriod; 690955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t needNewPos = updatePeriod > 0 && user >= newPosition ? 691955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten ((user - newPosition) / updatePeriod) + 1 : 0; 692955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mNewPosition = newPosition + updatePeriod * needNewPos; 6931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 6941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 695955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten // perform marker callback, while unlocked 696955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten if (needMarker) { 697955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 69989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 700955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten // perform new position callback(s), while unlocked 701955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten for (; needNewPos > 0; --needNewPos) { 702955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t temp = newPosition; 703955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 704955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten newPosition += updatePeriod; 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 70889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 709c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Calling obtainBuffer() with a wait count of 1 710c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // limits wait time to WAIT_PERIOD_MS. This prevents from being 71189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stuck here not being able to handle timed events (position, markers). 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, 1); 71389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 71585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGE_IF(err != status_t(NO_MORE_BUFFERS), 71685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "Error obtaining an audio buffer, giving up."); 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 71989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 72189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 72489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 72589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project readSize = audioBuffer.size; 72689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 728cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent if (ssize_t(readSize) <= 0) { 729cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // The callback is done filling buffers 730cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // Keep this thread going to handle timed events and 731cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // still try to get more data in intervals of WAIT_PERIOD_MS 732cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // but don't just loop and block the CPU, so wait 733cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent usleep(WAIT_PERIOD_MS*1000); 734cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent break; 735cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent } 73689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (readSize > reqSize) readSize = reqSize; 73789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 73889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = readSize; 739c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = readSize/frameSize(); 74089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 74189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 74389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while (frames); 74589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 746c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 74789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage overrun callback 748b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (active && (cblk->framesAvailableIn(mFrameCount) == 0)) { 74968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // The value of active is stale, but we are almost sure to be active here because 75068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // otherwise we would have exited when obtainBuffer returned STOPPED earlier. 7513856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Overrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags); 7529c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(android_atomic_or(CBLK_UNDERRUN, &cblk->flags) & CBLK_UNDERRUN)) { 753955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_OVERRUN, mUserData, NULL); 75489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 75589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 75689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 75789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 75889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = mNotificationFrames; 75989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 76089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 76189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 76289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 76389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 76489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock and cblk.lock held. Callers must also hold strong references on 7661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// the IAudioRecord and IMemory in case they are recreated here. 7671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// If the IAudioRecord is successfully restored, the cblk pointer is updated 768b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kastenstatus_t AudioRecord::restoreRecord_l(audio_track_cblk_t*& refCblk) 7691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 7701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 7711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 772b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten audio_track_cblk_t* cblk = refCblk; 773b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten audio_track_cblk_t* newCblk = cblk; 774b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten ALOGW("dead IAudioRecord, creating a new one"); 7751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 776b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // signal old cblk condition so that other threads waiting for available buffers stop 777b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // waiting now 778b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten cblk->cv.broadcast(); 779b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten cblk->lock.unlock(); 7801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 781b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // if the new IAudioRecord is created, openRecord_l() will modify the 782b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // following member variables: mAudioRecord, mCblkMemory and mCblk. 783b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // It will also delete the strong references on previous IAudioRecord and IMemory 784a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten result = openRecord_l(cblk->sampleRate, mFormat, mFrameCount, getInput_l()); 785b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (result == NO_ERROR) { 786b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten newCblk = mCblk; 787b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // callback thread or sync event hasn't changed 788b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten result = mAudioRecord->start(AudioSystem::SYNC_EVENT_SAME, 0); 789b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten } 790b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (result != NO_ERROR) { 791b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mActive = false; 7921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 793b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten 7943856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("restoreRecord_l() status %d mActive %d cblk %p, old cblk %p flags %08x old flags %08x", 795b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten result, mActive, newCblk, cblk, newCblk->flags, cblk->flags); 7961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 7981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // from now on we switch to the newly created cblk 799b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten refCblk = newCblk; 8001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 801b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten newCblk->lock.lock(); 8021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8035ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreRecord_l() error %d", result); 8041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 8061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 8071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 80889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 80989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn KastenAudioRecord::AudioRecordThread::AudioRecordThread(AudioRecord& receiver, bool bCanCallJava) 81168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true) 81268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 81368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 81468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 81568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn KastenAudioRecord::AudioRecordThread::~AudioRecordThread() 81668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 81768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 81868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 81968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenbool AudioRecord::AudioRecordThread::threadLoop() 82068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 82168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten { 82268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 82368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mPaused) { 82468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mMyCond.wait(mMyLock); 82568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // caller will check for exitPending() 82668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten return true; 82768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 82868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 82968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (!mReceiver.processAudioBuffer(this)) { 83068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten pause(); 83168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 83268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten return true; 83368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 83468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 83568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::requestExit() 83689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 83768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // must be in this order to avoid a race condition 83868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten Thread::requestExit(); 83968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten resume(); 84089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 84189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::pause() 84389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 84468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 84568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mPaused = true; 84689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 84789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::resume() 8496dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten{ 85068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 85168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mPaused) { 85268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mPaused = false; 85368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mMyCond.signal(); 8546dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten } 8556dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten} 8566dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten 85789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 85889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 85989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 860