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 2134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn#include <inttypes.h> 2289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/resource.h> 2334fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn 24868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <binder/IPCThreadState.h> 2589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioRecord.h> 2689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 27868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <private/media/AudioTrackShared.h> 281ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kasten#include <media/IAudioFlinger.h> 2989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#define WAIT_PERIOD_MS 10 319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 3289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3315304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh// --------------------------------------------------------------------------- 3415304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 3515304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh// static 3615304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yehstatus_t AudioRecord::getMinFrameCount( 37e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 3815304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh uint32_t sampleRate, 3958f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 40dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten audio_channel_mask_t channelMask) 4115304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh{ 429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (frameCount == NULL) { 439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4504cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 46b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten size_t size; 47c9b2e20f7c9a71e07ef398152709c76079decbcdGlenn Kasten status_t status = AudioSystem::getInputBufferSize(sampleRate, format, channelMask, &size); 48c9b2e20f7c9a71e07ef398152709c76079decbcdGlenn Kasten if (status != NO_ERROR) { 49b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten ALOGE("AudioSystem could not query the input buffer size for sampleRate %u, format %#x, " 50b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten "channelMask %#x; status %d", sampleRate, format, channelMask, status); 51b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten return status; 5215304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh } 5315304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 54b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten // We double the size of input buffer for ping pong use of record buffer. 55b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten // Assumes audio_is_linear_pcm(format) 56e541269be94f3a1072932d51537905b120ef4733Andy Hung if ((*frameCount = (size * 2) / (audio_channel_count_from_in_mask(channelMask) * 57e541269be94f3a1072932d51537905b120ef4733Andy Hung audio_bytes_per_sample(format))) == 0) { 58cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Unsupported configuration: sampleRate %u, format %#x, channelMask %#x", 59dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten sampleRate, format, channelMask); 6015304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return BAD_VALUE; 6115304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh } 6215304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 6315304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return NO_ERROR; 6415304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh} 6589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 6789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::AudioRecord() 69aea7ea06394bcb155972d82055d4ea59962e4051Glenn Kasten : mStatus(NO_INIT), mSessionId(AUDIO_SESSION_ALLOCATE), 709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(SP_DEFAULT) 7189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::AudioRecord( 75eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten audio_source_t inputSource, 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 7758f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 78624a7fcb377f2a40109c16de5109ae8ea1f67a69Glenn Kasten audio_channel_mask_t channelMask, 79bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 82838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 8427f7b2a8fe899565487d8a326676a5f7d0a05a37Glenn Kasten transfer_type transferType, 85828f883a43f66f77d776a75d0ea2b87c7c826071Glenn Kasten audio_input_flags_t flags) 86aea7ea06394bcb155972d82055d4ea59962e4051Glenn Kasten : mStatus(NO_INIT), mSessionId(AUDIO_SESSION_ALLOCATE), 87e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), 88e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT), 89e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy(NULL) 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStatus = set(inputSource, sampleRate, format, channelMask, frameCount, cbf, user, 92828f883a43f66f77d776a75d0ea2b87c7c826071Glenn Kasten notificationFrames, false /*threadCanCallJava*/, sessionId, transferType, flags); 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::~AudioRecord() 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer empty condition in obtainBuffer(). 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 10268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mAudioRecordThread != 0) { 1035a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mProxy->interrupt(); 10468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread->requestExit(); // see comment in AudioRecord.h 10568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread->requestExitAndWait(); 10668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread.clear(); 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 108089e87201522c8979ac8f00fa729e907f54c790bGlenn Kasten mAudioRecord->asBinder()->unlinkToDeath(mDeathNotifier, this); 109089e87201522c8979ac8f00fa729e907f54c790bGlenn Kasten mAudioRecord.clear(); 1103bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mCblkMemory.clear(); 1113bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mBufferMemory.clear(); 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 113d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, -1); 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, 122bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 125838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 126be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 1279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 12827f7b2a8fe899565487d8a326676a5f7d0a05a37Glenn Kasten transfer_type transferType, 12927f7b2a8fe899565487d8a326676a5f7d0a05a37Glenn Kasten audio_input_flags_t flags) 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 131bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): inputSource %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 132838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten "notificationFrames %u, sessionId %d, transferType %d, flags %#x", 133bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten inputSource, sampleRate, format, channelMask, frameCount, notificationFrames, 13486f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten sessionId, transferType, flags); 13586f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 1369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 1379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 1389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || threadCanCallJava) { 1399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 1409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 1429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 1459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL) { 1469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL"); 1479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 1519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 1529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 1549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 1559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 1589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 161089e87201522c8979ac8f00fa729e907f54c790bGlenn Kasten // invariant that mAudioRecord != 0 is true only after set() returns successfully 1621dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioRecord != 0) { 1639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Track already in use"); 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1675f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten // handle default values first. 168c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (inputSource == AUDIO_SOURCE_DEFAULT) { 169c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent inputSource = AUDIO_SOURCE_MIC; 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 171ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mInputSource = inputSource; 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 174f0f33c4acd231fa95deb9eeef2c46b0129e64463Glenn Kasten ALOGE("Invalid sample rate %u", sampleRate); 175f0f33c4acd231fa95deb9eeef2c46b0129e64463Glenn Kasten return BAD_VALUE; 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 177e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 178e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 18058f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 181fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 184c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // validate parameters 185fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 186cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 187c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 189291bb6d8947c5b0c062f0895d623c529259bfa39Glenn Kasten // Temporary restriction: AudioFlinger currently supports 16-bit PCM only 190291bb6d8947c5b0c062f0895d623c529259bfa39Glenn Kasten if (format != AUDIO_FORMAT_PCM_16_BIT) { 191cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Format %#x is not supported", format); 192291bb6d8947c5b0c062f0895d623c529259bfa39Glenn Kasten return BAD_VALUE; 193291bb6d8947c5b0c062f0895d623c529259bfa39Glenn Kasten } 1942e4664677d72ce54201d3fd0beb0e10280add93cGlenn Kasten mFormat = format; 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1960d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_input_channel(channelMask)) { 1979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 200a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 201e541269be94f3a1072932d51537905b120ef4733Andy Hung uint32_t channelCount = audio_channel_count_from_in_mask(channelMask); 202a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 203c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 204c85df82b1e8b05714268926a8bb3deb9c65f9a22Glenn Kasten if (audio_is_linear_pcm(format)) { 205c85df82b1e8b05714268926a8bb3deb9c65f9a22Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 206c85df82b1e8b05714268926a8bb3deb9c65f9a22Glenn Kasten } else { 207c85df82b1e8b05714268926a8bb3deb9c65f9a22Glenn Kasten mFrameSize = sizeof(uint8_t); 208c85df82b1e8b05714268926a8bb3deb9c65f9a22Glenn Kasten } 209e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 210b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten // mFrameCount is initialized in openRecord_l 211b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten mReqFrameCount = frameCount; 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2134a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten mNotificationFramesReq = notificationFrames; 2147410591dad836434c72ddee66680802708b70c10Glenn Kasten // mNotificationFramesAct is initialized in openRecord_l 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 216aea7ea06394bcb155972d82055d4ea59962e4051Glenn Kasten if (sessionId == AUDIO_SESSION_ALLOCATE) { 217de3f8392fbf380ba6f09d009b00d7172477389a2Eric Laurent mSessionId = AudioSystem::newAudioUniqueId(); 218ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown } else { 219ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mSessionId = sessionId; 220ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown } 221ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown ALOGV("set(): mSessionId %d", mSessionId); 222ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown 223ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mFlags = flags; 224879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten mCbf = cbf; 225879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten 226879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten if (cbf != NULL) { 227879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten mAudioRecordThread = new AudioRecordThread(*this, threadCanCallJava); 228879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten mAudioRecordThread->run("AudioRecord", ANDROID_PRIORITY_AUDIO); 229879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten } 230ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown 23134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioRecord 232c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten status_t status = openRecord_l(0 /*epoch*/); 233879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten 23438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status != NO_ERROR) { 235879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten if (mAudioRecordThread != 0) { 236879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten mAudioRecordThread->requestExit(); // see comment in AudioRecord.h 237879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten mAudioRecordThread->requestExitAndWait(); 238879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten mAudioRecordThread.clear(); 239879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten } 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 24468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mActive = false; 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // TODO: add audio hardware input latency here 247573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mLatency = (1000*mFrameCount) / sampleRate; 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2497d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 252d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, -1); 2539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 2549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 2559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = false; 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 262a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurentstatus_t AudioRecord::start(AudioSystem::sync_event_t event, int triggerSession) 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 264a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent ALOGV("start, sync event %d trigger session %d", event, triggerSession); 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 266f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 2679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mActive) { 2689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NO_ERROR; 2699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 2729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 2735e1f79baa5c7355effbd2c9183787d6604487908Glenn Kasten // force refresh of remaining frames by processAudioBuffer() as last 2745e1f79baa5c7355effbd2c9183787d6604487908Glenn Kasten // read before stop could be partial. 2755e1f79baa5c7355effbd2c9183787d6604487908Glenn Kasten mRefreshRemaining = true; 2766dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten 2779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 27896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_acquire_load(&mCblk->mFlags); 2799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 2819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 2829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("mAudioRecord->start()"); 2839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioRecord->start(event, triggerSession); 2849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 2859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 2861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 2879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 2899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreRecord_l("start"); 2909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 2939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 2949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 2959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mActive = true; 2969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecordThread> t = mAudioRecordThread; 2979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 2989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten t->resume(); 2996100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } else { 3009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 3019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 3029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 309d64cd233eef39430561c1e1df423336a199cc5d7Glenn Kastenvoid AudioRecord::stop() 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 311f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mActive) { 3139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 3149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 3169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mActive = false; 3179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 3189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->stop(); 3199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the record head position will reset to 0, so if a marker is set, we need 3209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 3219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 3229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecordThread> t = mAudioRecordThread; 3239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 3249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten t->pause(); 3259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 3269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 3279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioRecord::stopped() const 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex lock(mLock); 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return !mActive; 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::setMarkerPosition(uint32_t marker) 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3392b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten // The only purpose of setting marker position is to get a callback 3409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mCbf == NULL) { 3419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 3429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 34389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 344955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 3467d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 351606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getMarkerPosition(uint32_t *marker) const 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (marker == NULL) { 3549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 357955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::setPositionUpdatePeriod(uint32_t updatePeriod) 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3652b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten // The only purpose of setting position update period is to get a callback 3669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mCbf == NULL) { 3679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 3689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 369955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten 370955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 3719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 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::getPositionUpdatePeriod(uint32_t *updatePeriod) const 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod == NULL) { 3809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 383955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 38589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 389606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getPosition(uint32_t *position) const 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position == NULL) { 3929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 3969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mProxy->getPosition(); 39789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4015f972c031d4061f4f037c9fda1ea4bd9b6a756cdGlenn Kastenuint32_t AudioRecord::getInputFramesLost() const 40205bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent{ 403bf04a5d7f287fc712e0ed91849dc85c90c1e182dGlenn Kasten // no need to check mActive, because if inactive this will return 0, which is what we want 4049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return AudioSystem::getInputFramesLost(getInput()); 40505bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 40689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 410ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brownstatus_t AudioRecord::openRecord_l(size_t epoch) 41134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 41234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 41334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 41434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 415b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten ALOGE("Could not get audioflinger"); 41634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 41734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 41834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 419c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // Fast tracks must be at the primary _output_ [sic] sampling rate, 420c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // because there is currently no concept of a primary input sampling rate 421c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten uint32_t afSampleRate = AudioSystem::getPrimaryOutputSamplingRate(); 422c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten if (afSampleRate == 0) { 423c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten ALOGW("getPrimaryOutputSamplingRate failed"); 424c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten } 4251879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten 4263151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten // Client can only express a preference for FAST. Server will perform additional tests. 427c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten if ((mFlags & AUDIO_INPUT_FLAG_FAST) && !( 428c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case: callback transfer mode 429c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten (mTransfer == TRANSFER_CALLBACK) && 430c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // matching sample rate 431c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten (mSampleRate == afSampleRate))) { 432c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten ALOGW("AUDIO_INPUT_FLAG_FAST denied by client"); 433c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // once denied, do not request again if IAudioRecord is re-created 434c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten mFlags = (audio_input_flags_t) (mFlags & ~AUDIO_INPUT_FLAG_FAST); 435c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten } 436c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten 437c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 438c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten 439c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten pid_t tid = -1; 440ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (mFlags & AUDIO_INPUT_FLAG_FAST) { 441c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 442c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten if (mAudioRecordThread != 0) { 4433151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten tid = mAudioRecordThread->getTid(); 4443151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten } 4453151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten } 4463151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten 447ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown audio_io_handle_t input = AudioSystem::getInput(mInputSource, mSampleRate, mFormat, 448b3b1660ecb67f61f9da54efced8677fa3a6f4863Glenn Kasten mChannelMask, mSessionId, mFlags); 449142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (input == AUDIO_IO_HANDLE_NONE) { 4506dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten ALOGE("Could not get audio input for record source %d, sample rate %u, format %#x, " 451b3b1660ecb67f61f9da54efced8677fa3a6f4863Glenn Kasten "channel mask %#x, session %d, flags %#x", 452b3b1660ecb67f61f9da54efced8677fa3a6f4863Glenn Kasten mInputSource, mSampleRate, mFormat, mChannelMask, mSessionId, mFlags); 453ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown return BAD_VALUE; 454ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown } 45538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 45638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 45738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 458ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown 4597410591dad836434c72ddee66680802708b70c10Glenn Kasten size_t frameCount = mReqFrameCount; 460b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 46174935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 462955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten int originalSessionId = mSessionId; 4637df8c0b799d8f52d6386e03313286dbd7d5cdc7cGlenn Kasten 4647df8c0b799d8f52d6386e03313286dbd7d5cdc7cGlenn Kasten // The notification frame count is the period between callbacks, as suggested by the server. 4657410591dad836434c72ddee66680802708b70c10Glenn Kasten size_t notificationFrames = mNotificationFramesReq; 4667df8c0b799d8f52d6386e03313286dbd7d5cdc7cGlenn Kasten 467d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten sp<IMemory> iMem; // for cblk 468d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten sp<IMemory> bufferMem; 4698d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioRecord> record = audioFlinger->openRecord(input, 470ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mSampleRate, mFormat, 471a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 47274935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 473eeca32671896739e84050da5992d5f151a1629deGlenn Kasten &trackFlags, 4741879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten tid, 475be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 4767df8c0b799d8f52d6386e03313286dbd7d5cdc7cGlenn Kasten ¬ificationFrames, 477d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten iMem, 478d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten bufferMem, 47934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 480aea7ea06394bcb155972d82055d4ea59962e4051Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 481955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 4823a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 483c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 48429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create record track, status: %d", status); 48538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 48634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 487c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(record != 0); 488c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 48938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 49038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 49138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 492b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (iMem == 0) { 49329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 49434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 49534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 496e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten void *iMemPointer = iMem->pointer(); 497e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten if (iMemPointer == NULL) { 498e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten ALOGE("Could not get control block pointer"); 499e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten return NO_INIT; 500e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten } 501d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 502d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten 503d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten // Starting address of buffers in shared memory. 504d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten // The buffers are either immediately after the control block, 505d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten // or in a separate area at discretion of server. 506d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten void *buffers; 507d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten if (bufferMem == 0) { 508d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten buffers = cblk + 1; 509d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten } else { 510d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten buffers = bufferMem->pointer(); 511d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten if (buffers == NULL) { 512d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten ALOGE("Could not get buffer pointer"); 513d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten return NO_INIT; 514d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten } 515d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten } 516d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten 517089e87201522c8979ac8f00fa729e907f54c790bGlenn Kasten // invariant that mAudioRecord != 0 is true only after set() returns successfully 5189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioRecord != 0) { 5199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->asBinder()->unlinkToDeath(mDeathNotifier, this); 5209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 5219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 52234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioRecord = record; 523b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mCblkMemory = iMem; 524d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten mBufferMemory = bufferMem; 5253bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 5263bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 527b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mCblk = cblk; 5285f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten // note that temp is the (possibly revised) value of frameCount 529b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 53034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 531b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten } 532b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten frameCount = temp; 53374935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten 5347cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten mAwaitBoost = false; 535ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (mFlags & AUDIO_INPUT_FLAG_FAST) { 5367cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 53734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_INPUT_FLAG_FAST successful; frameCount %zu", frameCount); 5387cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten mAwaitBoost = true; 5397cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } else { 54034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_INPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 5417cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten // once denied, do not request again if IAudioRecord is re-created 542ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mFlags = (audio_input_flags_t) (mFlags & ~AUDIO_INPUT_FLAG_FAST); 5432c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten } 5447cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } 5459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5467410591dad836434c72ddee66680802708b70c10Glenn Kasten // Make sure that application is notified with sufficient margin before overrun 5477410591dad836434c72ddee66680802708b70c10Glenn Kasten if (notificationFrames == 0 || notificationFrames > frameCount) { 5487410591dad836434c72ddee66680802708b70c10Glenn Kasten ALOGW("Received notificationFrames %zu for frameCount %zu", notificationFrames, frameCount); 5497410591dad836434c72ddee66680802708b70c10Glenn Kasten } 5507410591dad836434c72ddee66680802708b70c10Glenn Kasten mNotificationFramesAct = notificationFrames; 5517410591dad836434c72ddee66680802708b70c10Glenn Kasten 552045e739161f5ae00321a6cfba20935abb791005bGlenn Kasten // We retain a copy of the I/O handle, but don't own the reference 553045e739161f5ae00321a6cfba20935abb791005bGlenn Kasten mInput = input; 554a5ed48d3476df7dd1e10b380a68e3333f2b646fdGlenn Kasten mRefreshRemaining = true; 555a5ed48d3476df7dd1e10b380a68e3333f2b646fdGlenn Kasten 556b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten mFrameCount = frameCount; 55711cb175005db0090345f44bfa049b52fd8c809b8Glenn Kasten // If IAudioRecord is re-created, don't let the requested frameCount 55811cb175005db0090345f44bfa049b52fd8c809b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 55911cb175005db0090345f44bfa049b52fd8c809b8Glenn Kasten if (frameCount > mReqFrameCount) { 56011cb175005db0090345f44bfa049b52fd8c809b8Glenn Kasten mReqFrameCount = frameCount; 56111cb175005db0090345f44bfa049b52fd8c809b8Glenn Kasten } 562b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten 563e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 564ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mProxy = new AudioRecordClientProxy(cblk, buffers, mFrameCount, mFrameSize); 5659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 5667cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten mProxy->setMinimum(mNotificationFramesAct); 5679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 5699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->asBinder()->linkToDeath(mDeathNotifier, this); 570e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 57134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 57238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 57338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 57438e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 5754dc680607181e6a76f4e91a39366c4f5dfb7b03eEric Laurent AudioSystem::releaseInput(input, (audio_session_t)mSessionId); 57638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 57738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 57838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 57938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 58034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 58134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 58289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 5859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 5869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 5889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 5899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 5909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 5919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 5929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 593e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 5949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 595df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 5969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 5979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 5989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 5999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 6009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 6019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 6029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 6039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 6049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 6059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 6069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 6079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 6089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 6109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioRecord::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 6139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 6149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioRecord sequence numbers are used to detect track re-creation 6169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 6179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 6189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 6209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 6219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 6239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 6249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 6269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 6279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 6289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecordClientProxy> proxy; 6299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 630d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten sp<IMemory> bufferMem; 6319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { 6329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // start of lock scope 6339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 6369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 6379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 6389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 6399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 6409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreRecord_l("obtainBuffer"); 6419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 642d8a9d0220e84ae0b5049385aa9b1a0d8ea02b5bbGlenn Kasten buffer.mFrameCount = 0; 643d8a9d0220e84ae0b5049385aa9b1a0d8ea02b5bbGlenn Kasten buffer.mRaw = NULL; 644d8a9d0220e84ae0b5049385aa9b1a0d8ea02b5bbGlenn Kasten buffer.mNonContig = 0; 6459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 64634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 6529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 6539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 654d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten bufferMem = mBufferMemory; 655c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped 6579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mActive) { 6589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 6599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 6649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 6659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 6669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 6709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSize; 6719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 6729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 6739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 6749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 67689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioRecord::releaseBuffer(Buffer* audioBuffer) 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // all TRANSFER_* are valid 6819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSize; 6839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 6849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 6889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 6899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 690e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 6911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = false; 6939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 6949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the server does not automatically disable recorder on overrun, so no need to restart 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 698606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenaudio_io_handle_t AudioRecord::getInput() const 6996100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent{ 7001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 701d1a243e41caffa8fd346907eed4625c9c47c1a86Eric Laurent return mInput; 7021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 70489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioRecord::read(void* buffer, size_t userSize) 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC) { 7099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 7109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 71189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 7139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sanity-check. user is most-likely passing an error code, and it would 7149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // make the return value ambiguous (actualSize vs error). 71534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("AudioRecord::read(buffer=%p, size=%zu (%zu)", buffer, userSize, userSize); 71689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ssize_t read = 0; 7209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 72189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 7239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 72489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 72689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 7279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (read > 0) { 72889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 729d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 73089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 73189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 73289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 73389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t bytesRead = audioBuffer.size; 7349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(buffer, audioBuffer.i8, bytesRead); 7359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((char *) buffer) + bytesRead; 73689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= bytesRead; 73789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project read += bytesRead; 73889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 73989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 7409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 74189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return read; 74389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 74689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7477c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioRecord::processAudioBuffer() 74889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 75028f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten if (mAwaitBoost) { 75128f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten mAwaitBoost = false; 75228f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten mLock.unlock(); 75328f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten static const int32_t kMaxTries = 5; 75428f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten int32_t tryCounter = kMaxTries; 75528f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten uint32_t pollUs = 10000; 75628f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten do { 75728f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten int policy = sched_getscheduler(0); 75828f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 75928f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten break; 76028f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } 76128f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten usleep(pollUs); 76228f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten pollUs <<= 1; 76328f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } while (tryCounter-- > 0); 76428f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten if (tryCounter < 0) { 76528f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten ALOGE("did not receive expected priority boost on time"); 76628f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } 76728f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten // Run again immediately 76828f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten return 0; 76928f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } 7709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 77296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_OVERRUN, &mCblk->mFlags); 7739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 7759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 7769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten (void) restoreRecord_l("processAudioBuffer"); 7779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 7789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Run again immediately, but with a new IAudioRecord 7799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 7809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 78268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten bool active = mActive; 7839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage overrun callback, must be done under lock to avoid race with releaseBuffer() 7859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newOverrun = false; 7869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_OVERRUN) { 7879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInOverrun) { 7889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = true; 7899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newOverrun = true; 7909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 7949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 7959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage marker callback 7979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 7989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 7999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 8009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 8019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 8029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine the number of new position callback(s) that will be needed, while locked 8059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 8069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 807955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t updatePeriod = mUpdatePeriod; 8089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 8099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 8109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 8119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 8129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 815838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames = mNotificationFramesAct; 8169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 8179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 8189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 8199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 8209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 8228ff50e7526d24aca11713006933b8dcb64ef6be9Glenn Kasten uint32_t sequence = mSequence; 8239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 8252b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten // mTransfer, mCbf, mUserData, mSampleRate, mFrameSize 8269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 8281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 8309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newOverrun) { 8319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_OVERRUN, mUserData, NULL); 8329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 834955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 83589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 8369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 8379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 838955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 839955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten newPosition += updatePeriod; 8409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 8419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 8439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 8449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIORECORD, mUserData, NULL); 84589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 84689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 8489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 8499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 8509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers) 8539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 8549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 8559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 8569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 8589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 8599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 8629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 8639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 8649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 8659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 8689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 8699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 8709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 8719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 8729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / mSampleRate) + kFudgeNs; 8739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 8769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 8779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 8789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 8819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 8829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 8839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 8849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 8859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 8869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 8879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 8909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 8929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 8939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 8949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 8959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 89634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 8979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 8989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 89934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 9002b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 9019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 9029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR) { 9039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 9049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 9069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 9079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRetryOnPartialBuffer) { 9109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 9119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 9129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 9139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1100000000LL) / mSampleRate; 9149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 9159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 9169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 91889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 91989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 92089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 92289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 9239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t readSize = audioBuffer.size; 92489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 9269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(readSize) < 0 || readSize > reqSize) { 92734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 92834fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(readSize)); 9299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 9309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (readSize == 0) { 9339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // The callback is done consuming buffers 934cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // Keep this thread going to handle timed events and 9359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // still try to provide more data in intervals of WAIT_PERIOD_MS 936cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // but don't just loop and block the CPU, so wait 9379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 938cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent } 93989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = readSize / mFrameSize; 9419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 9429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 9439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 9449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 9459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 9469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 9479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 94889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 94989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 9529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 9539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (readSize < reqSize) { 9549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 9559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 95689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 9589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 9599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 9609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 961c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 9629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 9639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 9649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 9659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 9669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 9679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 9689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / mSampleRate; 96989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 9709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 97189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 9739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 9749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 9759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 9779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 97989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioRecord::restoreRecord_l(const char *from) 9811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 9829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("dead IAudioRecord, creating a new one from %s()", from); 9839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 9841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 9851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 986b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // if the new IAudioRecord is created, openRecord_l() will modify the 987d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten // following member variables: mAudioRecord, mCblkMemory, mCblk, mBufferMemory. 988b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // It will also delete the strong references on previous IAudioRecord and IMemory 9899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 9909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = position + mUpdatePeriod; 991ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown result = openRecord_l(position); 992b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (result == NO_ERROR) { 9939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mActive) { 9949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // callback thread or sync event hasn't changed 9959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME this fails if we have a new AudioFlinger instance 9969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = mAudioRecord->start(AudioSystem::SYNC_EVENT_SAME, 0); 9979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 998b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten } 999b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (result != NO_ERROR) { 10009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreRecord_l() failed status %d", result); 1001b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mActive = false; 10021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1003b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten 10049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return result; 10059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 10061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 10079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 10081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 10097c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioRecord::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 10109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 10119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecord> audioRecord = mAudioRecord.promote(); 10129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioRecord != 0) { 10139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioRecord->mLock); 10149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioRecord->mProxy->binderDied(); 10159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 10171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 101889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn KastenAudioRecord::AudioRecordThread::AudioRecordThread(AudioRecord& receiver, bool bCanCallJava) 102141721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 102241721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten mIgnoreNextPausedInt(false) 102368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 102468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 102568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 102668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn KastenAudioRecord::AudioRecordThread::~AudioRecordThread() 102768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 102868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 102968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 103068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenbool AudioRecord::AudioRecordThread::threadLoop() 103168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 103268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten { 103368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 103468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mPaused) { 103568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mMyCond.wait(mMyLock); 103668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // caller will check for exitPending() 103768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten return true; 103868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 103941721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten if (mIgnoreNextPausedInt) { 104041721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten mIgnoreNextPausedInt = false; 104141721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten mPausedInt = false; 104241721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten } 10435a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 10445a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 10455a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 10465a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 10475a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 10485a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 10499d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 10505a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 10515a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 105268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 10537c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 10549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 10559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 10569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 10579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 10585a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 10599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 10609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 10619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 10625a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 10635a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 10645a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 10655a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 10669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 106734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 10685a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 10699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 107068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 107168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 107268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 107368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::requestExit() 107489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 107568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // must be in this order to avoid a race condition 107668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten Thread::requestExit(); 107741721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten resume(); 107889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 107989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::pause() 108189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 108268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 108368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mPaused = true; 108489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 108589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::resume() 10876dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten{ 108868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 108941721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten mIgnoreNextPausedInt = true; 10909d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 109168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mPaused = false; 10929d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 109368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mMyCond.signal(); 10946dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten } 10956dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten} 10966dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten 10975a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioRecord::AudioRecordThread::pauseInternal(nsecs_t ns) 10985a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 10995a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 11005a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 11015a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 11025a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 11035a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 110489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 110589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1107