AudioRecord.cpp revision d776ac63ce9c013c9626226e43f7db606e035838
189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project/* 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Copyright 2008, The Android Open Source Project 489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** you may not use this file except in compliance with the License. 789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** You may obtain a copy of the License at 889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 1089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 1189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 1289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 1389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** See the License for the specific language governing permissions and 1589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** limitations under the License. 1689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project*/ 1789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project//#define LOG_NDEBUG 0 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LOG_TAG "AudioRecord" 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/resource.h> 22868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <binder/IPCThreadState.h> 2389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioRecord.h> 2489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 25868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <private/media/AudioTrackShared.h> 261ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kasten#include <media/IAudioFlinger.h> 2789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#define WAIT_PERIOD_MS 10 299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 3089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3115304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh// --------------------------------------------------------------------------- 3215304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 3315304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh// static 3415304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yehstatus_t AudioRecord::getMinFrameCount( 35e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 3615304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh uint32_t sampleRate, 3758f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 38dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten audio_channel_mask_t channelMask) 3915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh{ 409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (frameCount == NULL) { 419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4304cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 44b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten size_t size; 45c9b2e20f7c9a71e07ef398152709c76079decbcdGlenn Kasten status_t status = AudioSystem::getInputBufferSize(sampleRate, format, channelMask, &size); 46c9b2e20f7c9a71e07ef398152709c76079decbcdGlenn Kasten if (status != NO_ERROR) { 47b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten ALOGE("AudioSystem could not query the input buffer size for sampleRate %u, format %#x, " 48b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten "channelMask %#x; status %d", sampleRate, format, channelMask, status); 49b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten return status; 5015304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh } 5115304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 52b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten // We double the size of input buffer for ping pong use of record buffer. 53b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten // Assumes audio_is_linear_pcm(format) 54b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten if ((*frameCount = (size * 2) / (popcount(channelMask) * audio_bytes_per_sample(format))) == 0) { 55cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Unsupported configuration: sampleRate %u, format %#x, channelMask %#x", 56dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten sampleRate, format, channelMask); 5715304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return BAD_VALUE; 5815304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh } 5915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 6015304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return NO_ERROR; 6115304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh} 6289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 6489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::AudioRecord() 66aea7ea06394bcb155972d82055d4ea59962e4051Glenn Kasten : mStatus(NO_INIT), mSessionId(AUDIO_SESSION_ALLOCATE), 679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(SP_DEFAULT) 6889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 7089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::AudioRecord( 72eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten audio_source_t inputSource, 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 7458f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 75624a7fcb377f2a40109c16de5109ae8ea1f67a69Glenn Kasten audio_channel_mask_t channelMask, 76bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 79838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 8127f7b2a8fe899565487d8a326676a5f7d0a05a37Glenn Kasten transfer_type transferType, 82828f883a43f66f77d776a75d0ea2b87c7c826071Glenn Kasten audio_input_flags_t flags) 83aea7ea06394bcb155972d82055d4ea59962e4051Glenn Kasten : mStatus(NO_INIT), mSessionId(AUDIO_SESSION_ALLOCATE), 84e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), 85e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT), 86e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy(NULL) 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStatus = set(inputSource, sampleRate, format, channelMask, frameCount, cbf, user, 89828f883a43f66f77d776a75d0ea2b87c7c826071Glenn Kasten notificationFrames, false /*threadCanCallJava*/, sessionId, transferType, flags); 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::~AudioRecord() 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer empty condition in obtainBuffer(). 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 9968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mAudioRecordThread != 0) { 1005a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mProxy->interrupt(); 10168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread->requestExit(); // see comment in AudioRecord.h 10268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread->requestExitAndWait(); 10368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread.clear(); 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 105089e87201522c8979ac8f00fa729e907f54c790bGlenn Kasten mAudioRecord->asBinder()->unlinkToDeath(mDeathNotifier, this); 106089e87201522c8979ac8f00fa729e907f54c790bGlenn Kasten mAudioRecord.clear(); 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 108d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, -1); 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::set( 113eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten audio_source_t inputSource, 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 11558f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 116624a7fcb377f2a40109c16de5109ae8ea1f67a69Glenn Kasten audio_channel_mask_t channelMask, 117bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 120838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 121be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 1229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 12327f7b2a8fe899565487d8a326676a5f7d0a05a37Glenn Kasten transfer_type transferType, 12427f7b2a8fe899565487d8a326676a5f7d0a05a37Glenn Kasten audio_input_flags_t flags) 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 126bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): inputSource %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 127838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten "notificationFrames %u, sessionId %d, transferType %d, flags %#x", 128bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten inputSource, sampleRate, format, channelMask, frameCount, notificationFrames, 12986f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten sessionId, transferType, flags); 13086f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 1319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 1329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 1339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || threadCanCallJava) { 1349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 1359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 1379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 1409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL) { 1419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL"); 1429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 1469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 1479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 1499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 1509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 1539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 156089e87201522c8979ac8f00fa729e907f54c790bGlenn Kasten // invariant that mAudioRecord != 0 is true only after set() returns successfully 1571dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioRecord != 0) { 1589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Track already in use"); 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1625f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten // handle default values first. 163c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (inputSource == AUDIO_SOURCE_DEFAULT) { 164c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent inputSource = AUDIO_SOURCE_MIC; 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 166ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mInputSource = inputSource; 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 169f0f33c4acd231fa95deb9eeef2c46b0129e64463Glenn Kasten ALOGE("Invalid sample rate %u", sampleRate); 170f0f33c4acd231fa95deb9eeef2c46b0129e64463Glenn Kasten return BAD_VALUE; 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 172e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 173e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 17558f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 176fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 179c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // validate parameters 180fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 181cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 182c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 184291bb6d8947c5b0c062f0895d623c529259bfa39Glenn Kasten // Temporary restriction: AudioFlinger currently supports 16-bit PCM only 185291bb6d8947c5b0c062f0895d623c529259bfa39Glenn Kasten if (format != AUDIO_FORMAT_PCM_16_BIT) { 186cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Format %#x is not supported", format); 187291bb6d8947c5b0c062f0895d623c529259bfa39Glenn Kasten return BAD_VALUE; 188291bb6d8947c5b0c062f0895d623c529259bfa39Glenn Kasten } 1892e4664677d72ce54201d3fd0beb0e10280add93cGlenn Kasten mFormat = format; 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1910d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_input_channel(channelMask)) { 1929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 195a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 196a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten uint32_t channelCount = popcount(channelMask); 197a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 198c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 199c85df82b1e8b05714268926a8bb3deb9c65f9a22Glenn Kasten if (audio_is_linear_pcm(format)) { 200c85df82b1e8b05714268926a8bb3deb9c65f9a22Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 201c85df82b1e8b05714268926a8bb3deb9c65f9a22Glenn Kasten } else { 202c85df82b1e8b05714268926a8bb3deb9c65f9a22Glenn Kasten mFrameSize = sizeof(uint8_t); 203c85df82b1e8b05714268926a8bb3deb9c65f9a22Glenn Kasten } 204e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate framecount 206b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten size_t minFrameCount; 207ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown status_t status = AudioRecord::getMinFrameCount(&minFrameCount, 208ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown sampleRate, format, channelMask); 20915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh if (status != NO_ERROR) { 210b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten ALOGE("getMinFrameCount() failed for sampleRate %u, format %#x, channelMask %#x; status %d", 211b42f318d9733f88c7eb9bedfd33b086b8ea5dff5Glenn Kasten sampleRate, format, channelMask, status); 21215304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return status; 213c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2143856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("AudioRecord::set() minFrameCount = %d", minFrameCount); 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frameCount == 0) { 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frameCount = minFrameCount; 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else if (frameCount < minFrameCount) { 2199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("frameCount %u < minFrameCount %u", frameCount, minFrameCount); 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 222b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten // mFrameCount is initialized in openRecord_l 223b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten mReqFrameCount = frameCount; 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2254a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten mNotificationFramesReq = notificationFrames; 2264a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten mNotificationFramesAct = 0; 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 228aea7ea06394bcb155972d82055d4ea59962e4051Glenn Kasten if (sessionId == AUDIO_SESSION_ALLOCATE) { 229ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mSessionId = AudioSystem::newAudioSessionId(); 230ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown } else { 231ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mSessionId = sessionId; 232ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown } 233ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown ALOGV("set(): mSessionId %d", mSessionId); 234ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown 235ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mFlags = flags; 236879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten mCbf = cbf; 237879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten 238879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten if (cbf != NULL) { 239879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten mAudioRecordThread = new AudioRecordThread(*this, threadCanCallJava); 240879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten mAudioRecordThread->run("AudioRecord", ANDROID_PRIORITY_AUDIO); 241879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten } 242ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown 24334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioRecord 244ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown status = openRecord_l(0 /*epoch*/); 245879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten 24638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status != NO_ERROR) { 247879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten if (mAudioRecordThread != 0) { 248879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten mAudioRecordThread->requestExit(); // see comment in AudioRecord.h 249879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten mAudioRecordThread->requestExitAndWait(); 250879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten mAudioRecordThread.clear(); 251879707057cde0a83b5f6143c918c66b8f4a97581Glenn Kasten } 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 25434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 25668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mActive = false; 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // TODO: add audio hardware input latency here 259573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mLatency = (1000*mFrameCount) / sampleRate; 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2617d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 264d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, -1); 2659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 2669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 2679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = false; 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 274a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurentstatus_t AudioRecord::start(AudioSystem::sync_event_t event, int triggerSession) 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 276a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent ALOGV("start, sync event %d trigger session %d", event, triggerSession); 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 278f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 2799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mActive) { 2809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NO_ERROR; 2819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 2849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 2855e1f79baa5c7355effbd2c9183787d6604487908Glenn Kasten // force refresh of remaining frames by processAudioBuffer() as last 2865e1f79baa5c7355effbd2c9183787d6604487908Glenn Kasten // read before stop could be partial. 2875e1f79baa5c7355effbd2c9183787d6604487908Glenn Kasten mRefreshRemaining = true; 2886dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten 2899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 29096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_acquire_load(&mCblk->mFlags); 2919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 2939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 2949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("mAudioRecord->start()"); 2959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioRecord->start(event, triggerSession); 2969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 2979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 2981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 2999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 3019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreRecord_l("start"); 3029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 3049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 3059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 3069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 3079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mActive = true; 3089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecordThread> t = mAudioRecordThread; 3099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 3109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten t->resume(); 3116100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } else { 3129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 3139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 3149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 321d64cd233eef39430561c1e1df423336a199cc5d7Glenn Kastenvoid AudioRecord::stop() 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 323f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mActive) { 3259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 3269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 3289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mActive = false; 3299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 3309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->stop(); 3319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the record head position will reset to 0, so if a marker is set, we need 3329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 3339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 3349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecordThread> t = mAudioRecordThread; 3359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 3369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten t->pause(); 3379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 3389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 3399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 34089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioRecord::stopped() const 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 34568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex lock(mLock); 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return !mActive; 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::setMarkerPosition(uint32_t marker) 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3512b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten // The only purpose of setting marker position is to get a callback 3529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mCbf == NULL) { 3539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 3549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 356955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 3587d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 363606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getMarkerPosition(uint32_t *marker) const 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (marker == NULL) { 3669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 369955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 37189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::setPositionUpdatePeriod(uint32_t updatePeriod) 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3772b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten // The only purpose of setting position update period is to get a callback 3789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mCbf == NULL) { 3799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 3809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 381955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten 382955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 3839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 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::getPositionUpdatePeriod(uint32_t *updatePeriod) const 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod == NULL) { 3929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 395955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 39789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 401606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getPosition(uint32_t *position) const 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position == NULL) { 4049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 4059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 40689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mProxy->getPosition(); 40989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4135f972c031d4061f4f037c9fda1ea4bd9b6a756cdGlenn Kastenuint32_t AudioRecord::getInputFramesLost() const 41405bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent{ 415bf04a5d7f287fc712e0ed91849dc85c90c1e182dGlenn Kasten // no need to check mActive, because if inactive this will return 0, which is what we want 4169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return AudioSystem::getInputFramesLost(getInput()); 41705bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 422ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brownstatus_t AudioRecord::openRecord_l(size_t epoch) 42334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 42434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 42534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 42634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 427b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten ALOGE("Could not get audioflinger"); 42834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 42934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 43034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 431c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // Fast tracks must be at the primary _output_ [sic] sampling rate, 432c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // because there is currently no concept of a primary input sampling rate 433c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten uint32_t afSampleRate = AudioSystem::getPrimaryOutputSamplingRate(); 434c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten if (afSampleRate == 0) { 435c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten ALOGW("getPrimaryOutputSamplingRate failed"); 436c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten } 4371879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten 4383151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten // Client can only express a preference for FAST. Server will perform additional tests. 439c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten if ((mFlags & AUDIO_INPUT_FLAG_FAST) && !( 440c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case: callback transfer mode 441c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten (mTransfer == TRANSFER_CALLBACK) && 442c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // matching sample rate 443c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten (mSampleRate == afSampleRate))) { 444c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten ALOGW("AUDIO_INPUT_FLAG_FAST denied by client"); 445c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // once denied, do not request again if IAudioRecord is re-created 446c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten mFlags = (audio_input_flags_t) (mFlags & ~AUDIO_INPUT_FLAG_FAST); 447c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten } 448c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten 449c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 450c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten 451c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten pid_t tid = -1; 452ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (mFlags & AUDIO_INPUT_FLAG_FAST) { 453c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 454c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten if (mAudioRecordThread != 0) { 4553151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten tid = mAudioRecordThread->getTid(); 4563151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten } 4573151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten } 4583151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten 4592c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten // FIXME Assume double buffering, because we don't know the true HAL sample rate 4602c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten const uint32_t nBuffering = 2; 4612c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten 4624a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten mNotificationFramesAct = mNotificationFramesReq; 463b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten size_t frameCount = mReqFrameCount; 4644a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten 465ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (!(mFlags & AUDIO_INPUT_FLAG_FAST)) { 4664a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten // Make sure that application is notified with sufficient margin before overrun 467b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/2) { 468b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten mNotificationFramesAct = frameCount/2; 4694a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten } 4704a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten } 4714a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten 472ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown audio_io_handle_t input = AudioSystem::getInput(mInputSource, mSampleRate, mFormat, 473ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mChannelMask, mSessionId); 474142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (input == AUDIO_IO_HANDLE_NONE) { 4756dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten ALOGE("Could not get audio input for record source %d, sample rate %u, format %#x, " 4766dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten "channel mask %#x, session %d", 4776dd62fb91d82dedcfa3ab38c02eb0940b4ba932aGlenn Kasten mInputSource, mSampleRate, mFormat, mChannelMask, mSessionId); 478ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown return BAD_VALUE; 479ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown } 48038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 48138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 48238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 483ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown 484b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 48574935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 486955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten int originalSessionId = mSessionId; 487d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten sp<IMemory> iMem; // for cblk 488d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten sp<IMemory> bufferMem; 4898d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioRecord> record = audioFlinger->openRecord(input, 490ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mSampleRate, mFormat, 491a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 49274935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 493eeca32671896739e84050da5992d5f151a1629deGlenn Kasten &trackFlags, 4941879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten tid, 495be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 496d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten iMem, 497d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten bufferMem, 49834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 499aea7ea06394bcb155972d82055d4ea59962e4051Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 500955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 5013a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 502c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 50329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create record track, status: %d", status); 50438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 50534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 506c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(record != 0); 507c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 50838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 50938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 51038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 511b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (iMem == 0) { 51229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 51334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 51434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 515e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten void *iMemPointer = iMem->pointer(); 516e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten if (iMemPointer == NULL) { 517e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten ALOGE("Could not get control block pointer"); 518e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten return NO_INIT; 519e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten } 520d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 521d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten 522d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten // Starting address of buffers in shared memory. 523d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten // The buffers are either immediately after the control block, 524d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten // or in a separate area at discretion of server. 525d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten void *buffers; 526d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten if (bufferMem == 0) { 527d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten buffers = cblk + 1; 528d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten } else { 529d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten buffers = bufferMem->pointer(); 530d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten if (buffers == NULL) { 531d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten ALOGE("Could not get buffer pointer"); 532d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten return NO_INIT; 533d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten } 534d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten } 535d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten 536089e87201522c8979ac8f00fa729e907f54c790bGlenn Kasten // invariant that mAudioRecord != 0 is true only after set() returns successfully 5379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioRecord != 0) { 5389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->asBinder()->unlinkToDeath(mDeathNotifier, this); 5399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 5409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 54134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioRecord = record; 542045e739161f5ae00321a6cfba20935abb791005bGlenn Kasten 543b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mCblkMemory = iMem; 544d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten mBufferMemory = bufferMem; 545b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mCblk = cblk; 5465f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten // note that temp is the (possibly revised) value of frameCount 547b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 548b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 549b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten } 550b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten frameCount = temp; 55174935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten 5527cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten mAwaitBoost = false; 553ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (mFlags & AUDIO_INPUT_FLAG_FAST) { 5547cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 5552c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten ALOGV("AUDIO_INPUT_FLAG_FAST successful; frameCount %u", frameCount); 5567cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten mAwaitBoost = true; 5577cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } else { 5582c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten ALOGV("AUDIO_INPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 5597cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten // once denied, do not request again if IAudioRecord is re-created 560ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mFlags = (audio_input_flags_t) (mFlags & ~AUDIO_INPUT_FLAG_FAST); 5612c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten } 5622c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten // Theoretically double-buffering is not required for fast tracks, 5632c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten // due to tighter scheduling. But in practice, to accomodate kernels with 5642c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten // scheduling jitter, and apps with computation jitter, we use double-buffering. 5652c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 5662c48f27be6b3ae58e451d9b56c1dfd00e606f345Glenn Kasten mNotificationFramesAct = frameCount/nBuffering; 5677cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } 5687cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } 5699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 570045e739161f5ae00321a6cfba20935abb791005bGlenn Kasten // We retain a copy of the I/O handle, but don't own the reference 571045e739161f5ae00321a6cfba20935abb791005bGlenn Kasten mInput = input; 572a5ed48d3476df7dd1e10b380a68e3333f2b646fdGlenn Kasten mRefreshRemaining = true; 573a5ed48d3476df7dd1e10b380a68e3333f2b646fdGlenn Kasten 574b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten mFrameCount = frameCount; 57511cb175005db0090345f44bfa049b52fd8c809b8Glenn Kasten // If IAudioRecord is re-created, don't let the requested frameCount 57611cb175005db0090345f44bfa049b52fd8c809b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 57711cb175005db0090345f44bfa049b52fd8c809b8Glenn Kasten if (frameCount > mReqFrameCount) { 57811cb175005db0090345f44bfa049b52fd8c809b8Glenn Kasten mReqFrameCount = frameCount; 57911cb175005db0090345f44bfa049b52fd8c809b8Glenn Kasten } 580b3b2e23fcf7e050710d23b82a6682c0f3d869b69Glenn Kasten 581e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 582ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mProxy = new AudioRecordClientProxy(cblk, buffers, mFrameCount, mFrameSize); 5839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 5847cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten mProxy->setMinimum(mNotificationFramesAct); 5859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 5879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->asBinder()->linkToDeath(mDeathNotifier, this); 588e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 58934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 59038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 59138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 59238e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 59338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten AudioSystem::releaseInput(input); 59438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 59538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 59638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 59738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 59834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 59934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 60089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 6039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 6049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 6069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 6079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 6089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 6099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 6109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 611e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 6129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 613df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 6149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 6159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 6169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 6179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 6189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 6199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 6209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 6219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 6229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 6239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 6249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 6259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 6269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 6289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioRecord::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 6319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 6329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioRecord sequence numbers are used to detect track re-creation 6349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 6359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 6369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 6389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 6399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 6419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 6429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 6449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 6459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 6469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecordClientProxy> proxy; 6479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 648d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten sp<IMemory> bufferMem; 6499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { 6509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // start of lock scope 6519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 6549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 6559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 6569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 6579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 6589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreRecord_l("obtainBuffer"); 6599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 660d8a9d0220e84ae0b5049385aa9b1a0d8ea02b5bbGlenn Kasten buffer.mFrameCount = 0; 661d8a9d0220e84ae0b5049385aa9b1a0d8ea02b5bbGlenn Kasten buffer.mRaw = NULL; 662d8a9d0220e84ae0b5049385aa9b1a0d8ea02b5bbGlenn Kasten buffer.mNonContig = 0; 6639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 66434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 6709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 6719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 672d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten bufferMem = mBufferMemory; 673c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped 6759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mActive) { 6769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 6779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 6829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 6839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 6849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 6889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSize; 6899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 6909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 6919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 6929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioRecord::releaseBuffer(Buffer* audioBuffer) 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // all TRANSFER_* are valid 6999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSize; 7019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 7029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 7039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 7069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 7079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 708e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 7091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = false; 7119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 7129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the server does not automatically disable recorder on overrun, so no need to restart 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 716606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenaudio_io_handle_t AudioRecord::getInput() const 7176100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent{ 7181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 719d1a243e41caffa8fd346907eed4625c9c47c1a86Eric Laurent return mInput; 7201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 72389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioRecord::read(void* buffer, size_t userSize) 72589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC) { 7279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 7289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 72989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 7319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sanity-check. user is most-likely passing an error code, and it would 7329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // make the return value ambiguous (actualSize vs error). 7339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("AudioRecord::read(buffer=%p, size=%u (%d)", buffer, userSize, userSize); 73489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 73589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 73689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ssize_t read = 0; 7389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 73989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 7419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 74289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 74489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 7459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (read > 0) { 74689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 747d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 74889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 74989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 75089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 75189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t bytesRead = audioBuffer.size; 7529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(buffer, audioBuffer.i8, bytesRead); 7539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((char *) buffer) + bytesRead; 75489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= bytesRead; 75589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project read += bytesRead; 75689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 75789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 7589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 75989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return read; 76189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 76289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 76489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7657c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioRecord::processAudioBuffer() 76689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 76828f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten if (mAwaitBoost) { 76928f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten mAwaitBoost = false; 77028f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten mLock.unlock(); 77128f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten static const int32_t kMaxTries = 5; 77228f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten int32_t tryCounter = kMaxTries; 77328f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten uint32_t pollUs = 10000; 77428f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten do { 77528f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten int policy = sched_getscheduler(0); 77628f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 77728f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten break; 77828f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } 77928f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten usleep(pollUs); 78028f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten pollUs <<= 1; 78128f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } while (tryCounter-- > 0); 78228f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten if (tryCounter < 0) { 78328f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten ALOGE("did not receive expected priority boost on time"); 78428f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } 78528f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten // Run again immediately 78628f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten return 0; 78728f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } 7889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 79096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_OVERRUN, &mCblk->mFlags); 7919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 7939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 7949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten (void) restoreRecord_l("processAudioBuffer"); 7959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 7969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Run again immediately, but with a new IAudioRecord 7979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 7989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 80068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten bool active = mActive; 8019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage overrun callback, must be done under lock to avoid race with releaseBuffer() 8039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newOverrun = false; 8049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_OVERRUN) { 8059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInOverrun) { 8069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = true; 8079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newOverrun = true; 8089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 8129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 8139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage marker callback 8159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 8169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 8179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 8189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 8199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 8209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine the number of new position callback(s) that will be needed, while locked 8239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 8249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 825955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t updatePeriod = mUpdatePeriod; 8269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 8279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 8289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 8299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 8309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 833838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames = mNotificationFramesAct; 8349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 8359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 8369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 8379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 8389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 8408ff50e7526d24aca11713006933b8dcb64ef6be9Glenn Kasten uint32_t sequence = mSequence; 8419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 8432b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten // mTransfer, mCbf, mUserData, mSampleRate, mFrameSize 8449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 8461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 8489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newOverrun) { 8499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_OVERRUN, mUserData, NULL); 8509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 852955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 85389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 8549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 8559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 856955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 857955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten newPosition += updatePeriod; 8589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 8599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 8619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 8629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIORECORD, mUserData, NULL); 86389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 86489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 8669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 8679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 8689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers) 8719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 8729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 8739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 8749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 8769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 8779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 8809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 8819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 8829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 8839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 8869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 8879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 8889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 8899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 8909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / mSampleRate) + kFudgeNs; 8919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 8949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 8959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 8969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 8999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 9009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 9019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 9029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 9039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 9049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 9059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 9089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 9109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 9119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 9129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 9139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 9149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 9159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 9169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 9172b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten ALOGV("obtainBuffer(%u) returned %u = %u + %u err %d", 9182b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 9199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 9209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR) { 9219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 9229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 9249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 9259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRetryOnPartialBuffer) { 9289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 9299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 9309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 9319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1100000000LL) / mSampleRate; 9329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 9339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 9349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 93689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 93789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 93889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 94089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 9419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t readSize = audioBuffer.size; 94289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 94389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 9449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(readSize) < 0 || readSize > reqSize) { 9459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 9469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) readSize); 9479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 9489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (readSize == 0) { 9519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // The callback is done consuming buffers 952cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // Keep this thread going to handle timed events and 9539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // still try to provide more data in intervals of WAIT_PERIOD_MS 954cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // but don't just loop and block the CPU, so wait 9559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 956cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent } 95789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = readSize / mFrameSize; 9599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 9609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 9619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 9629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 9639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 9649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 9659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 96689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 96889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 9709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 9719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (readSize < reqSize) { 9729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 9739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 97489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 9769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 9779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 9789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 979c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 9809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 9819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 9829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 9839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 9849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 9859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 9869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / mSampleRate; 98789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 9889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 98989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 99089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 9919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 9929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 9939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 9959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 99689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 99789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioRecord::restoreRecord_l(const char *from) 9991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 10009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("dead IAudioRecord, creating a new one from %s()", from); 10019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 10021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 10031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1004b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // if the new IAudioRecord is created, openRecord_l() will modify the 1005d776ac63ce9c013c9626226e43f7db606e035838Glenn Kasten // following member variables: mAudioRecord, mCblkMemory, mCblk, mBufferMemory. 1006b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // It will also delete the strong references on previous IAudioRecord and IMemory 10079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 10089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = position + mUpdatePeriod; 1009ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown result = openRecord_l(position); 1010b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (result == NO_ERROR) { 10119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mActive) { 10129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // callback thread or sync event hasn't changed 10139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME this fails if we have a new AudioFlinger instance 10149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = mAudioRecord->start(AudioSystem::SYNC_EVENT_SAME, 0); 10159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1016b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten } 1017b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (result != NO_ERROR) { 10189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreRecord_l() failed status %d", result); 1019b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mActive = false; 10201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1021b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten 10229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return result; 10239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 10241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 10259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 10261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 10277c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioRecord::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 10289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 10299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecord> audioRecord = mAudioRecord.promote(); 10309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioRecord != 0) { 10319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioRecord->mLock); 10329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioRecord->mProxy->binderDied(); 10339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 10351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 103689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 103789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 103868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn KastenAudioRecord::AudioRecordThread::AudioRecordThread(AudioRecord& receiver, bool bCanCallJava) 103941721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 104041721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten mIgnoreNextPausedInt(false) 104168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 104268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 104368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 104468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn KastenAudioRecord::AudioRecordThread::~AudioRecordThread() 104568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 104668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 104768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 104868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenbool AudioRecord::AudioRecordThread::threadLoop() 104968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 105068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten { 105168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 105268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mPaused) { 105368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mMyCond.wait(mMyLock); 105468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // caller will check for exitPending() 105568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten return true; 105668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 105741721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten if (mIgnoreNextPausedInt) { 105841721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten mIgnoreNextPausedInt = false; 105941721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten mPausedInt = false; 106041721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten } 10615a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 10625a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 10635a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 10645a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 10655a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 10665a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 10679d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 10685a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 10695a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 107068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 10717c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 10729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 10739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 10749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 10759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 10765a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 10779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 10789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 10799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 10805a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 10815a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 10825a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 10835a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 10849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 10859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 10865a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 10879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 108868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 108968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 109068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 109168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::requestExit() 109289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 109368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // must be in this order to avoid a race condition 109468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten Thread::requestExit(); 109541721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten resume(); 109689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 109789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::pause() 109989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 110068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 110168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mPaused = true; 110289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 110389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::resume() 11056dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten{ 110668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 110741721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten mIgnoreNextPausedInt = true; 11089d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 110968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mPaused = false; 11109d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 111168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mMyCond.signal(); 11126dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten } 11136dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten} 11146dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten 11155a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioRecord::AudioRecordThread::pauseInternal(nsecs_t ns) 11165a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 11175a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 11185a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 11195a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 11205a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 11215a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 112289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 112389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1125