AudioRecord.cpp revision 34fb29696b0f3abf61b10f8d053b1f33d501de0a
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; 2144a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten mNotificationFramesAct = 0; 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 216aea7ea06394bcb155972d82055d4ea59962e4051Glenn Kasten if (sessionId == AUDIO_SESSION_ALLOCATE) { 217ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mSessionId = AudioSystem::newAudioSessionId(); 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 4472c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten // FIXME Assume double buffering, because we don't know the true HAL sample rate 4482c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten const uint32_t nBuffering = 2; 4492c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten 4504a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten mNotificationFramesAct = mNotificationFramesReq; 451b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten size_t frameCount = mReqFrameCount; 4524a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten 453ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (!(mFlags & AUDIO_INPUT_FLAG_FAST)) { 454c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten // validate framecount 455c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten // If fast track was not requested, this preserves 456c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten // the old behavior of validating on client side. 457c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten // FIXME Eventually the validation should be done on server side 458c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten // regardless of whether it's a fast or normal track. It's debatable 459c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten // whether to account for the input latency to provision buffers appropriately. 460c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten size_t minFrameCount; 461c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten status = AudioRecord::getMinFrameCount(&minFrameCount, 462c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten mSampleRate, mFormat, mChannelMask); 463c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten if (status != NO_ERROR) { 464c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten ALOGE("getMinFrameCount() failed for sampleRate %u, format %#x, channelMask %#x; " 465c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten "status %d", 466c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten mSampleRate, mFormat, mChannelMask, status); 467c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten return status; 468c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten } 469c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten 470c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten if (frameCount == 0) { 471c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten frameCount = minFrameCount; 472c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten } else if (frameCount < minFrameCount) { 47334fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("frameCount %zu < minFrameCount %zu", frameCount, minFrameCount); 474c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten return BAD_VALUE; 475c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten } 476c263ca0ad8b6bdf5b0693996bc5f2f5916e0cd49Glenn Kasten 4774a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten // Make sure that application is notified with sufficient margin before overrun 478b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/2) { 479b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten mNotificationFramesAct = frameCount/2; 4804a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten } 4814a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten } 4824a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten 483ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown audio_io_handle_t input = AudioSystem::getInput(mInputSource, mSampleRate, mFormat, 484ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mChannelMask, mSessionId); 485142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (input == AUDIO_IO_HANDLE_NONE) { 4866dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten ALOGE("Could not get audio input for record source %d, sample rate %u, format %#x, " 4876dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten "channel mask %#x, session %d", 4886dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten mInputSource, mSampleRate, mFormat, mChannelMask, mSessionId); 489ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown return BAD_VALUE; 490ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown } 49138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 49238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 49338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 494ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown 495b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 49674935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 497955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten int originalSessionId = mSessionId; 498d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten sp<IMemory> iMem; // for cblk 499d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten sp<IMemory> bufferMem; 5008d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioRecord> record = audioFlinger->openRecord(input, 501ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mSampleRate, mFormat, 502a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 50374935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 504eeca32671896739e84050da5992d5f151a1629deGlenn Kasten &trackFlags, 5051879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten tid, 506be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 507d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten iMem, 508d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten bufferMem, 50934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 510aea7ea06394bcb155972d82055d4ea59962e4051Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 511955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 5123a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 513c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 51429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create record track, status: %d", status); 51538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 51634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 517c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(record != 0); 518c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 51938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 52038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 52138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 522b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (iMem == 0) { 52329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 52434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 52534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 526e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten void *iMemPointer = iMem->pointer(); 527e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten if (iMemPointer == NULL) { 528e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten ALOGE("Could not get control block pointer"); 529e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten return NO_INIT; 530e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten } 531d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 532d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten 533d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten // Starting address of buffers in shared memory. 534d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten // The buffers are either immediately after the control block, 535d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten // or in a separate area at discretion of server. 536d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten void *buffers; 537d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten if (bufferMem == 0) { 538d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten buffers = cblk + 1; 539d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten } else { 540d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten buffers = bufferMem->pointer(); 541d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten if (buffers == NULL) { 542d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten ALOGE("Could not get buffer pointer"); 543d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten return NO_INIT; 544d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten } 545d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten } 546d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten 547089e87201522c8979ac8f00fa729e907f54c790bGlenn Kasten // invariant that mAudioRecord != 0 is true only after set() returns successfully 5489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioRecord != 0) { 5499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->asBinder()->unlinkToDeath(mDeathNotifier, this); 5509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 5519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 55234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioRecord = record; 553b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mCblkMemory = iMem; 554d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten mBufferMemory = bufferMem; 5553bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 5563bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 557b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mCblk = cblk; 5585f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten // note that temp is the (possibly revised) value of frameCount 559b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 56034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 561b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten } 562b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten frameCount = temp; 56374935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten 5647cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten mAwaitBoost = false; 565ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (mFlags & AUDIO_INPUT_FLAG_FAST) { 5667cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 56734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_INPUT_FLAG_FAST successful; frameCount %zu", frameCount); 5687cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten mAwaitBoost = true; 5697cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } else { 57034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_INPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 5717cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten // once denied, do not request again if IAudioRecord is re-created 572ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mFlags = (audio_input_flags_t) (mFlags & ~AUDIO_INPUT_FLAG_FAST); 5732c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten } 5742c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten // Theoretically double-buffering is not required for fast tracks, 5752c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten // due to tighter scheduling. But in practice, to accomodate kernels with 5762c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten // scheduling jitter, and apps with computation jitter, we use double-buffering. 5772c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 5782c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten mNotificationFramesAct = frameCount/nBuffering; 5797cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } 5807cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } 5819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 582045e739161f5ae00321a6cfba20935abb791005bGlenn Kasten // We retain a copy of the I/O handle, but don't own the reference 583045e739161f5ae00321a6cfba20935abb791005bGlenn Kasten mInput = input; 584a5ed48d3476df7dd1e10b380a68e3333f2b646fdGlenn Kasten mRefreshRemaining = true; 585a5ed48d3476df7dd1e10b380a68e3333f2b646fdGlenn Kasten 586b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten mFrameCount = frameCount; 58711cb175005db0090345f44bfa049b52fd8c809b8Glenn Kasten // If IAudioRecord is re-created, don't let the requested frameCount 58811cb175005db0090345f44bfa049b52fd8c809b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 58911cb175005db0090345f44bfa049b52fd8c809b8Glenn Kasten if (frameCount > mReqFrameCount) { 59011cb175005db0090345f44bfa049b52fd8c809b8Glenn Kasten mReqFrameCount = frameCount; 59111cb175005db0090345f44bfa049b52fd8c809b8Glenn Kasten } 592b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten 593e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 594ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mProxy = new AudioRecordClientProxy(cblk, buffers, mFrameCount, mFrameSize); 5959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 5967cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten mProxy->setMinimum(mNotificationFramesAct); 5979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 5999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->asBinder()->linkToDeath(mDeathNotifier, this); 600e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 60134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 60238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 60338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 60438e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 60538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten AudioSystem::releaseInput(input); 60638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 60738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 60838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 60938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 61034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 61134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 6159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 6169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 6189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 6199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 6209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 6219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 6229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 623e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 6249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 625df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 6269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 6279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 6289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 6299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 6309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 6319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 6329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 6339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 6349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 6359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 6369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 6379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 6389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 6409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioRecord::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 6439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 6449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioRecord sequence numbers are used to detect track re-creation 6469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 6479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 6489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 6509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 6519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 6539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 6549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 6569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 6579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 6589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecordClientProxy> proxy; 6599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 660d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten sp<IMemory> bufferMem; 6619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { 6629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // start of lock scope 6639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 6669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 6679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 6689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 6699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 6709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreRecord_l("obtainBuffer"); 6719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 672d8a9d0220e84ae0b5049385aa9b1a0d8ea02b5bbGlenn Kasten buffer.mFrameCount = 0; 673d8a9d0220e84ae0b5049385aa9b1a0d8ea02b5bbGlenn Kasten buffer.mRaw = NULL; 674d8a9d0220e84ae0b5049385aa9b1a0d8ea02b5bbGlenn Kasten buffer.mNonContig = 0; 6759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 67634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 67789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 6829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 6839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 684d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten bufferMem = mBufferMemory; 685c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped 6879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mActive) { 6889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 6899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 69289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 6949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 6959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 6969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 7009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSize; 7019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 7029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 7039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 7049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioRecord::releaseBuffer(Buffer* audioBuffer) 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // all TRANSFER_* are valid 7119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSize; 7139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 7149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 7159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 7189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 7199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 720e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 7211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = false; 7239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 7249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the server does not automatically disable recorder on overrun, so no need to restart 72689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 72789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 728606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenaudio_io_handle_t AudioRecord::getInput() const 7296100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent{ 7301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 731d1a243e41caffa8fd346907eed4625c9c47c1a86Eric Laurent return mInput; 7321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 73489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 73589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 73689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioRecord::read(void* buffer, size_t userSize) 73789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC) { 7399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 7409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 74189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 7439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sanity-check. user is most-likely passing an error code, and it would 7449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // make the return value ambiguous (actualSize vs error). 74534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("AudioRecord::read(buffer=%p, size=%zu (%zu)", buffer, userSize, userSize); 74689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 74789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 74889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ssize_t read = 0; 7509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 75189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 7539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 75489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 75689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 7579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (read > 0) { 75889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 759d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 76089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 76189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 76289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t bytesRead = audioBuffer.size; 7649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(buffer, audioBuffer.i8, bytesRead); 7659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((char *) buffer) + bytesRead; 76689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= bytesRead; 76789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project read += bytesRead; 76889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 7709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 77189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 77289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return read; 77389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 77489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 77589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 77689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7777c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioRecord::processAudioBuffer() 77889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 78028f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten if (mAwaitBoost) { 78128f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten mAwaitBoost = false; 78228f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten mLock.unlock(); 78328f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten static const int32_t kMaxTries = 5; 78428f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten int32_t tryCounter = kMaxTries; 78528f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten uint32_t pollUs = 10000; 78628f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten do { 78728f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten int policy = sched_getscheduler(0); 78828f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 78928f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten break; 79028f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } 79128f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten usleep(pollUs); 79228f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten pollUs <<= 1; 79328f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } while (tryCounter-- > 0); 79428f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten if (tryCounter < 0) { 79528f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten ALOGE("did not receive expected priority boost on time"); 79628f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } 79728f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten // Run again immediately 79828f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten return 0; 79928f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } 8009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 80296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_OVERRUN, &mCblk->mFlags); 8039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 8059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 8069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten (void) restoreRecord_l("processAudioBuffer"); 8079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 8089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Run again immediately, but with a new IAudioRecord 8099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 8109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 81268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten bool active = mActive; 8139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage overrun callback, must be done under lock to avoid race with releaseBuffer() 8159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newOverrun = false; 8169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_OVERRUN) { 8179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInOverrun) { 8189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = true; 8199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newOverrun = true; 8209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 8249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 8259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage marker callback 8279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 8289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 8299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 8309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 8319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 8329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine the number of new position callback(s) that will be needed, while locked 8359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 8369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 837955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t updatePeriod = mUpdatePeriod; 8389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 8399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 8409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 8419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 8429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 845838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames = mNotificationFramesAct; 8469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 8479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 8489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 8499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 8509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 8528ff50e7526d24aca11713006933b8dcb64ef6be9Glenn Kasten uint32_t sequence = mSequence; 8539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 8552b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten // mTransfer, mCbf, mUserData, mSampleRate, mFrameSize 8569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 8581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 8609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newOverrun) { 8619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_OVERRUN, mUserData, NULL); 8629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 864955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 86589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 8669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 8679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 868955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 869955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten newPosition += updatePeriod; 8709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 8719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 8739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 8749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIORECORD, mUserData, NULL); 87589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 87689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 8789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 8799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 8809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers) 8839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 8849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 8859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 8869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 8889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 8899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 8929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 8939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 8949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 8959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 8989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 8999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 9009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 9019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 9029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / mSampleRate) + kFudgeNs; 9039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 9069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 9079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 9089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 9119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 9129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 9139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 9149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 9159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 9169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 9179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 9209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 9229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 9239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 9249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 9259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 92634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 9279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 9289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 92934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 9302b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 9319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 9329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR) { 9339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 9349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 9369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 9379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRetryOnPartialBuffer) { 9409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 9419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 9429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 9439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1100000000LL) / mSampleRate; 9449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 9459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 9469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 94889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 94989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 95289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 9539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t readSize = audioBuffer.size; 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 9569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(readSize) < 0 || readSize > reqSize) { 95734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 95834fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(readSize)); 9599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 9609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (readSize == 0) { 9639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // The callback is done consuming buffers 964cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // Keep this thread going to handle timed events and 9659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // still try to provide more data in intervals of WAIT_PERIOD_MS 966cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // but don't just loop and block the CPU, so wait 9679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 968cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent } 96989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = readSize / mFrameSize; 9719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 9729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 9739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 9749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 9759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 9769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 9779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 98089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 9829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 9839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (readSize < reqSize) { 9849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 9859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 98689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 9889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 9899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 9909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 991c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 9929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 9939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 9949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 9959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 9969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 9979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 9989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / mSampleRate; 99989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 10009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 100189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 10039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 10049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 10059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 10079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 100889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 100989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioRecord::restoreRecord_l(const char *from) 10111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 10129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("dead IAudioRecord, creating a new one from %s()", from); 10139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 10141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 10151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1016b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // if the new IAudioRecord is created, openRecord_l() will modify the 1017d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten // following member variables: mAudioRecord, mCblkMemory, mCblk, mBufferMemory. 1018b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // It will also delete the strong references on previous IAudioRecord and IMemory 10199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 10209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = position + mUpdatePeriod; 1021ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown result = openRecord_l(position); 1022b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (result == NO_ERROR) { 10239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mActive) { 10249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // callback thread or sync event hasn't changed 10259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME this fails if we have a new AudioFlinger instance 10269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = mAudioRecord->start(AudioSystem::SYNC_EVENT_SAME, 0); 10279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1028b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten } 1029b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (result != NO_ERROR) { 10309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreRecord_l() failed status %d", result); 1031b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mActive = false; 10321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1033b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten 10349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return result; 10359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 10361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 10379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 10381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 10397c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioRecord::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 10409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 10419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecord> audioRecord = mAudioRecord.promote(); 10429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioRecord != 0) { 10439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioRecord->mLock); 10449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioRecord->mProxy->binderDied(); 10459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 10471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 104889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 104989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn KastenAudioRecord::AudioRecordThread::AudioRecordThread(AudioRecord& receiver, bool bCanCallJava) 105141721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 105241721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten mIgnoreNextPausedInt(false) 105368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 105468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 105568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 105668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn KastenAudioRecord::AudioRecordThread::~AudioRecordThread() 105768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 105868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 105968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 106068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenbool AudioRecord::AudioRecordThread::threadLoop() 106168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 106268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten { 106368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 106468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mPaused) { 106568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mMyCond.wait(mMyLock); 106668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // caller will check for exitPending() 106768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten return true; 106868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 106941721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten if (mIgnoreNextPausedInt) { 107041721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten mIgnoreNextPausedInt = false; 107141721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten mPausedInt = false; 107241721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten } 10735a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 10745a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 10755a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 10765a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 10775a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 10785a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 10799d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 10805a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 10815a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 108268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 10837c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 10849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 10859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 10869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 10879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 10885a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 10899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 10909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 10919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 10925a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 10935a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 10945a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 10955a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 10969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 109734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 10985a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 10999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 110068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 110168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 110268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 110368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::requestExit() 110489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 110568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // must be in this order to avoid a race condition 110668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten Thread::requestExit(); 110741721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten resume(); 110889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 110989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::pause() 111189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 111268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 111368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mPaused = true; 111489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 111589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::resume() 11176dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten{ 111868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 111941721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten mIgnoreNextPausedInt = true; 11209d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 112168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mPaused = false; 11229d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 112368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mMyCond.signal(); 11246dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten } 11256dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten} 11266dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten 11275a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioRecord::AudioRecordThread::pauseInternal(nsecs_t ns) 11285a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 11295a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 11305a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 11315a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 11325a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 11335a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 113489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 113589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 113689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1137