AudioRecord.cpp revision 5a6cd224d07c05b496b6aca050ce5ecf96f125af
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 4404cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten // default to 0 in case of error 4504cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten *frameCount = 0; 4604cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 4715304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh size_t size = 0; 48c9b2e20f7c9a71e07ef398152709c76079decbcdGlenn Kasten status_t status = AudioSystem::getInputBufferSize(sampleRate, format, channelMask, &size); 49c9b2e20f7c9a71e07ef398152709c76079decbcdGlenn Kasten if (status != NO_ERROR) { 50c9b2e20f7c9a71e07ef398152709c76079decbcdGlenn Kasten ALOGE("AudioSystem could not query the input buffer size; status %d", status); 5115304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return NO_INIT; 5215304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh } 5315304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 5415304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh if (size == 0) { 553b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten ALOGE("Unsupported configuration: sampleRate %u, format %d, channelMask %#x", 56dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten sampleRate, format, channelMask); 5715304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return BAD_VALUE; 5815304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh } 5915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 6015304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh // We double the size of input buffer for ping pong use of record buffer. 6115304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh size <<= 1; 6215304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 63954315a10089fa3684ac94db5be77c6655c08fc0Glenn Kasten // Assumes audio_is_linear_pcm(format) 64954315a10089fa3684ac94db5be77c6655c08fc0Glenn Kasten uint32_t channelCount = popcount(channelMask); 65954315a10089fa3684ac94db5be77c6655c08fc0Glenn Kasten size /= channelCount * audio_bytes_per_sample(format); 6615304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 6715304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh *frameCount = size; 6815304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return NO_ERROR; 6915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh} 7089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 7289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::AudioRecord() 74879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), mSessionId(0), 759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(SP_DEFAULT) 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::AudioRecord( 80eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten audio_source_t inputSource, 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 8258f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 83624a7fcb377f2a40109c16de5109ae8ea1f67a69Glenn Kasten audio_channel_mask_t channelMask, 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 8589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 87be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 8927f7b2a8fe899565487d8a326676a5f7d0a05a37Glenn Kasten transfer_type transferType, 9027f7b2a8fe899565487d8a326676a5f7d0a05a37Glenn Kasten audio_input_flags_t flags) 91879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), mSessionId(0), 92e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), 93e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT), 94e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy(NULL) 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStatus = set(inputSource, sampleRate, format, channelMask, frameCount, cbf, user, 979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten notificationFrames, false /*threadCanCallJava*/, sessionId, transferType); 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::~AudioRecord() 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer empty condition in obtainBuffer(). 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 10768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mAudioRecordThread != 0) { 1085a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mProxy->interrupt(); 10968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread->requestExit(); // see comment in AudioRecord.h 11068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread->requestExitAndWait(); 11168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread.clear(); 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioRecord != 0) { 1149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->asBinder()->unlinkToDeath(mDeathNotifier, this); 1159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord.clear(); 1169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1183a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::set( 123eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten audio_source_t inputSource, 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 12558f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 126624a7fcb377f2a40109c16de5109ae8ea1f67a69Glenn Kasten audio_channel_mask_t channelMask, 127e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten int frameCountInt, 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 131be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 1329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 13327f7b2a8fe899565487d8a326676a5f7d0a05a37Glenn Kasten transfer_type transferType, 13427f7b2a8fe899565487d8a326676a5f7d0a05a37Glenn Kasten audio_input_flags_t flags) 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 1379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 1389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || threadCanCallJava) { 1399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 1409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 1429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 1459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL) { 1469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL"); 1479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 1519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 1529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 1549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 1559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 1589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 159e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten // FIXME "int" here is legacy and will be replaced by size_t later 160e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (frameCountInt < 0) { 161e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGE("Invalid frame count %d", frameCountInt); 162e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten return BAD_VALUE; 163e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten } 164e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount = frameCountInt; 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 166e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set(): sampleRate %u, channelMask %#x, frameCount %u", sampleRate, channelMask, 16785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten frameCount); 1681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1711dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioRecord != 0) { 1729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Track already in use"); 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 176c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (inputSource == AUDIO_SOURCE_DEFAULT) { 177c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent inputSource = AUDIO_SOURCE_MIC; 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 179ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mInputSource = inputSource; 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 182f0f33c4acd231fa95deb9eeef2c46b0129e64463Glenn Kasten ALOGE("Invalid sample rate %u", sampleRate); 183f0f33c4acd231fa95deb9eeef2c46b0129e64463Glenn Kasten return BAD_VALUE; 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 185e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 186e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 18858f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 189fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 192c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // validate parameters 193fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 1949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid format %d", format); 195c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 197291bb6d8947c5b0c062f0895d623c529259bfa39Glenn Kasten // Temporary restriction: AudioFlinger currently supports 16-bit PCM only 198291bb6d8947c5b0c062f0895d623c529259bfa39Glenn Kasten if (format != AUDIO_FORMAT_PCM_16_BIT) { 199291bb6d8947c5b0c062f0895d623c529259bfa39Glenn Kasten ALOGE("Format %d is not supported", format); 200291bb6d8947c5b0c062f0895d623c529259bfa39Glenn Kasten return BAD_VALUE; 201291bb6d8947c5b0c062f0895d623c529259bfa39Glenn Kasten } 2022e4664677d72ce54201d3fd0beb0e10280add93cGlenn Kasten mFormat = format; 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2040d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_input_channel(channelMask)) { 2059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 208a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 209a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten uint32_t channelCount = popcount(channelMask); 210a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 211c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 212954315a10089fa3684ac94db5be77c6655c08fc0Glenn Kasten // Assumes audio_is_linear_pcm(format), else sizeof(uint8_t) 213954315a10089fa3684ac94db5be77c6655c08fc0Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 214e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate framecount 216e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t minFrameCount = 0; 217ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown status_t status = AudioRecord::getMinFrameCount(&minFrameCount, 218ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown sampleRate, format, channelMask); 21915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh if (status != NO_ERROR) { 2209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getMinFrameCount() failed; status %d", status); 22115304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return status; 222c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2233856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("AudioRecord::set() minFrameCount = %d", minFrameCount); 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frameCount == 0) { 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frameCount = minFrameCount; 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else if (frameCount < minFrameCount) { 2289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("frameCount %u < minFrameCount %u", frameCount, minFrameCount); 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 231ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mFrameCount = frameCount; 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2334a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten mNotificationFramesReq = notificationFrames; 2344a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten mNotificationFramesAct = 0; 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 236ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (sessionId == 0 ) { 237ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mSessionId = AudioSystem::newAudioSessionId(); 238ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown } else { 239ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mSessionId = sessionId; 240ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown } 241ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown ALOGV("set(): mSessionId %d", mSessionId); 242ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown 243ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mFlags = flags; 244ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown 24534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioRecord 246ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown status = openRecord_l(0 /*epoch*/); 247ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (status) { 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 25034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 251a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (cbf != NULL) { 25268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread = new AudioRecordThread(*this, threadCanCallJava); 25368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread->run("AudioRecord", ANDROID_PRIORITY_AUDIO); 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Update buffer size in case it has been limited by AudioFlinger during track creation 259b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = mCblk->frameCount_; 26083a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten 26168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mActive = false; 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf = cbf; 2639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // TODO: add audio hardware input latency here 266573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mLatency = (1000*mFrameCount) / sampleRate; 26789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2687d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 2713a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 2729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 2739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 2749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = false; 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 281a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurentstatus_t AudioRecord::start(AudioSystem::sync_event_t event, int triggerSession) 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 283a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent ALOGV("start, sync event %d trigger session %d", event, triggerSession); 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 285f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 2869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mActive) { 2879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NO_ERROR; 2889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 2919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 2926dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten 2939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 29496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_acquire_load(&mCblk->mFlags); 2959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 2979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 2989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("mAudioRecord->start()"); 2999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioRecord->start(event, triggerSession); 3009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 3019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 3021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 3039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 3059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreRecord_l("start"); 3069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 3089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 3099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 3109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 3119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mActive = true; 3129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecordThread> t = mAudioRecordThread; 3139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 3149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten t->resume(); 3156100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } else { 3169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 3179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 3189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 325d64cd233eef39430561c1e1df423336a199cc5d7Glenn Kastenvoid AudioRecord::stop() 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 327f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mActive) { 3299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 3309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 3329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mActive = false; 3339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 3349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->stop(); 3359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the record head position will reset to 0, so if a marker is set, we need 3369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 3379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 3389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecordThread> t = mAudioRecordThread; 3399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 3409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten t->pause(); 3419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 3429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 3439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioRecord::stopped() const 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 34968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex lock(mLock); 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return !mActive; 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::setMarkerPosition(uint32_t marker) 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mCbf == NULL) { 3569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 3579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 359955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 3617d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 366606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getMarkerPosition(uint32_t *marker) const 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (marker == NULL) { 3699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 37189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 372955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::setPositionUpdatePeriod(uint32_t updatePeriod) 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mCbf == NULL) { 3819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 3829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 383955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten 384955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 3859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 391606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getPositionUpdatePeriod(uint32_t *updatePeriod) const 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod == NULL) { 3949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 397955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 403606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getPosition(uint32_t *position) const 40489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position == NULL) { 4069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 4079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mProxy->getPosition(); 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 415606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenunsigned int AudioRecord::getInputFramesLost() const 41605bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent{ 417bf04a5d7f287fc712e0ed91849dc85c90c1e182dGlenn Kasten // no need to check mActive, because if inactive this will return 0, which is what we want 4189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return AudioSystem::getInputFramesLost(getInput()); 41905bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 424ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brownstatus_t AudioRecord::openRecord_l(size_t epoch) 42534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 42634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 42734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 42834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 429b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten ALOGE("Could not get audioflinger"); 43034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 43134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 43234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 4333151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 4341879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten pid_t tid = -1; 4351879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten 4363151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten // Client can only express a preference for FAST. Server will perform additional tests. 4373151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten // The only supported use case for FAST is callback transfer mode. 438ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (mFlags & AUDIO_INPUT_FLAG_FAST) { 4393151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten if ((mTransfer != TRANSFER_CALLBACK) || (mAudioRecordThread == 0)) { 4403151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten ALOGW("AUDIO_INPUT_FLAG_FAST denied by client"); 4413151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten // once denied, do not request again if IAudioRecord is re-created 442ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mFlags = (audio_input_flags_t) (mFlags & ~AUDIO_INPUT_FLAG_FAST); 4433151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten } else { 4443151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 4453151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten tid = mAudioRecordThread->getTid(); 4463151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten } 4473151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten } 4483151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten 4494a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten mNotificationFramesAct = mNotificationFramesReq; 4504a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten 451ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (!(mFlags & AUDIO_INPUT_FLAG_FAST)) { 4524a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten // Make sure that application is notified with sufficient margin before overrun 453ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (mNotificationFramesAct == 0 || mNotificationFramesAct > mFrameCount/2) { 454ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mNotificationFramesAct = mFrameCount/2; 4554a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten } 4564a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten } 4574a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten 458ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown audio_io_handle_t input = AudioSystem::getInput(mInputSource, mSampleRate, mFormat, 459ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mChannelMask, mSessionId); 460ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (input == 0) { 461ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown ALOGE("Could not get audio input for record source %d", mInputSource); 462ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown return BAD_VALUE; 463ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown } 464ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown 465955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten int originalSessionId = mSessionId; 4668d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioRecord> record = audioFlinger->openRecord(input, 467ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mSampleRate, mFormat, 468a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 469ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mFrameCount, 470eeca32671896739e84050da5992d5f151a1629deGlenn Kasten &trackFlags, 4711879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten tid, 472be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 47334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 474955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten ALOGE_IF(originalSessionId != 0 && mSessionId != originalSessionId, 475955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 4763a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 47734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (record == 0) { 47829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create record track, status: %d", status); 479ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown AudioSystem::releaseInput(input); 48034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 48134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 482b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten sp<IMemory> iMem = record->getCblk(); 483b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (iMem == 0) { 48429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 48534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 48634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 4879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioRecord != 0) { 4889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->asBinder()->unlinkToDeath(mDeathNotifier, this); 4899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 4909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 491ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mInput = input; 49234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioRecord = record; 493b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mCblkMemory = iMem; 494b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); 495b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mCblk = cblk; 4967cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten // FIXME missing fast track frameCount logic 4977cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten mAwaitBoost = false; 498ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (mFlags & AUDIO_INPUT_FLAG_FAST) { 4997cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 500ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown ALOGV("AUDIO_INPUT_FLAG_FAST successful; frameCount %u", mFrameCount); 5017cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten mAwaitBoost = true; 5027cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten // double-buffering is not required for fast tracks, due to tighter scheduling 503ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (mNotificationFramesAct == 0 || mNotificationFramesAct > mFrameCount) { 504ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mNotificationFramesAct = mFrameCount; 5057cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } 5067cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } else { 507ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown ALOGV("AUDIO_INPUT_FLAG_FAST denied by server; frameCount %u", mFrameCount); 5087cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten // once denied, do not request again if IAudioRecord is re-created 509ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mFlags = (audio_input_flags_t) (mFlags & ~AUDIO_INPUT_FLAG_FAST); 510ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (mNotificationFramesAct == 0 || mNotificationFramesAct > mFrameCount/2) { 511ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mNotificationFramesAct = mFrameCount/2; 5127cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } 5137cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } 5147cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } 5159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // starting address of buffers in shared memory 5179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void *buffers = (char*)cblk + sizeof(audio_track_cblk_t); 518e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 519e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 520ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mProxy = new AudioRecordClientProxy(cblk, buffers, mFrameCount, mFrameSize); 5219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 5227cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten mProxy->setMinimum(mNotificationFramesAct); 5239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 5259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->asBinder()->linkToDeath(mDeathNotifier, this); 526e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 52734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 52834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 52934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 53089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 53189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 5339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 5349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 5369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 5379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 5389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 5399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 5409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 541e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 5429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 5439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 5449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 5459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 5469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 5479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 5489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 5499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 5509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 5519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 5529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 5539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 5559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 5569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 5589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioRecord::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 5619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 5629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioRecord sequence numbers are used to detect track re-creation 5649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 5659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 5669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 5689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 5699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 5719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 5729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 5749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 5759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 5769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecordClientProxy> proxy; 5779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 5789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { 5799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // start of lock scope 5809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 5819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 5839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 5849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 5859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 5869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 5879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreRecord_l("obtainBuffer"); 5889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 5899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 59034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 5969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 5979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 598c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped 6009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mActive) { 6019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 6029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 6079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 6089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 6099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 6139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSize; 6149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 6159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 6169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 6179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioRecord::releaseBuffer(Buffer* audioBuffer) 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // all TRANSFER_* are valid 6249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSize; 6269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 6279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 6319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 6329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 633e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 6341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = false; 6369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 6379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the server does not automatically disable recorder on overrun, so no need to restart 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 641606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenaudio_io_handle_t AudioRecord::getInput() const 6426100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent{ 6431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 644d1a243e41caffa8fd346907eed4625c9c47c1a86Eric Laurent return mInput; 6451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 6461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioRecord::read(void* buffer, size_t userSize) 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC) { 6529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 6539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 6569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sanity-check. user is most-likely passing an error code, and it would 6579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // make the return value ambiguous (actualSize vs error). 6589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("AudioRecord::read(buffer=%p, size=%u (%d)", buffer, userSize, userSize); 65989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ssize_t read = 0; 6639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 66489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 6669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 6709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (read > 0) { 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 672d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 67589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t bytesRead = audioBuffer.size; 6779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(buffer, audioBuffer.i8, bytesRead); 6789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((char *) buffer) + bytesRead; 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= bytesRead; 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project read += bytesRead; 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 6839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return read; 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 68989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastennsecs_t AudioRecord::processAudioBuffer(const sp<AudioRecordThread>& thread) 69189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 69328f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten if (mAwaitBoost) { 69428f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten mAwaitBoost = false; 69528f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten mLock.unlock(); 69628f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten static const int32_t kMaxTries = 5; 69728f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten int32_t tryCounter = kMaxTries; 69828f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten uint32_t pollUs = 10000; 69928f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten do { 70028f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten int policy = sched_getscheduler(0); 70128f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 70228f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten break; 70328f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } 70428f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten usleep(pollUs); 70528f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten pollUs <<= 1; 70628f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } while (tryCounter-- > 0); 70728f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten if (tryCounter < 0) { 70828f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten ALOGE("did not receive expected priority boost on time"); 70928f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } 71028f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten // Run again immediately 71128f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten return 0; 71228f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } 7139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 71596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_OVERRUN, &mCblk->mFlags); 7169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 7189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 7199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten (void) restoreRecord_l("processAudioBuffer"); 7209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 7219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Run again immediately, but with a new IAudioRecord 7229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 7239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 72568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten bool active = mActive; 7269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage overrun callback, must be done under lock to avoid race with releaseBuffer() 7289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newOverrun = false; 7299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_OVERRUN) { 7309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInOverrun) { 7319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = true; 7329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newOverrun = true; 7339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 7379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 7389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage marker callback 7409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 7419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 7429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 7439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 7449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 7459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine the number of new position callback(s) that will be needed, while locked 7489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 7499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 750955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t updatePeriod = mUpdatePeriod; 7519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 7529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 7539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 7549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 7559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 7587cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten size_t notificationFrames = mNotificationFramesAct; 7599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 7609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 7619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 7629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 7639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 7659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t sequence = mSequence; 7669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 7689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mSampleRate 7699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 7711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 7739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newOverrun) { 7749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_OVERRUN, mUserData, NULL); 7759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 777955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 77889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 7809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 781955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 782955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten newPosition += updatePeriod; 7839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 7849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 7869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 7879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIORECORD, mUserData, NULL); 78889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 78989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 7919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 7929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 7939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers) 7969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 7979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 7989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 7999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 8019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 8029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 8059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 8069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 8079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 8089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 8119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 8129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 8139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 8149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 8159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / mSampleRate) + kFudgeNs; 8169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 8199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 8209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 8219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 8249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 8259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 8269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 8279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 8289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 8299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 8309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 8339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 8359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 8369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 8379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 8389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 8399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 8409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 8419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 8429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("obtainBuffer(%u) returned %u = %u + %u", 8439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames, avail, audioBuffer.frameCount, nonContig); 8449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 8459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR) { 8469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 8479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 8499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 8509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRetryOnPartialBuffer) { 8539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 8549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 8559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 8569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1100000000LL) / mSampleRate; 8579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 8589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 8599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 86189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 86289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 86389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 86489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 86589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 8669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t readSize = audioBuffer.size; 86789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 86889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 8699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(readSize) < 0 || readSize > reqSize) { 8709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 8719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) readSize); 8729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 8739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (readSize == 0) { 8769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // The callback is done consuming buffers 877cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // Keep this thread going to handle timed events and 8789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // still try to provide more data in intervals of WAIT_PERIOD_MS 879cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // but don't just loop and block the CPU, so wait 8809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 881cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent } 88289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = readSize / mFrameSize; 8849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 8859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 8869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 8879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 8889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 8899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 8909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 89189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 89389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 8959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 8969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (readSize < reqSize) { 8979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 8989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 89989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 9019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 9029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 9039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 904c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 9059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 9069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 9079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 9089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 9099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 9109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 9119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / mSampleRate; 91289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 9139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 91489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 91589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 9169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 9179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 9189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 9209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 92189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 92289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioRecord::restoreRecord_l(const char *from) 9241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 9259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("dead IAudioRecord, creating a new one from %s()", from); 9269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 9271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 9281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 929b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // if the new IAudioRecord is created, openRecord_l() will modify the 930b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // following member variables: mAudioRecord, mCblkMemory and mCblk. 931b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // It will also delete the strong references on previous IAudioRecord and IMemory 9329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 9339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = position + mUpdatePeriod; 934ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown result = openRecord_l(position); 935b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (result == NO_ERROR) { 9369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mActive) { 9379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // callback thread or sync event hasn't changed 9389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME this fails if we have a new AudioFlinger instance 9399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = mAudioRecord->start(AudioSystem::SYNC_EVENT_SAME, 0); 9409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 941b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten } 942b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (result != NO_ERROR) { 9439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreRecord_l() failed status %d", result); 944b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mActive = false; 9451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 946b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten 9479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return result; 9489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 9491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 9509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 9511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 9529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioRecord::DeathNotifier::binderDied(const wp<IBinder>& who) 9539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 9549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecord> audioRecord = mAudioRecord.promote(); 9559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioRecord != 0) { 9569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioRecord->mLock); 9579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioRecord->mProxy->binderDied(); 9589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 9601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 96189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 96289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn KastenAudioRecord::AudioRecordThread::AudioRecordThread(AudioRecord& receiver, bool bCanCallJava) 9645a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL) 96568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 96668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 96768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 96868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn KastenAudioRecord::AudioRecordThread::~AudioRecordThread() 96968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 97068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 97168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 97268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenbool AudioRecord::AudioRecordThread::threadLoop() 97368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 97468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten { 97568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 97668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mPaused) { 97768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mMyCond.wait(mMyLock); 97868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // caller will check for exitPending() 97968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten return true; 98068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 9815a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 9825a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = false; 9835a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 9845a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 9855a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 9865a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 9875a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 9885a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 9895a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 99068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 9919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(this); 9929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 9939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 9949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 9959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 9965a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 9979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 9989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 9999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 10005a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 10015a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 10025a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 10035a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 10049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 10059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 10065a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 10079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 100868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 100968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 101068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 101168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::requestExit() 101289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 101368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // must be in this order to avoid a race condition 101468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten Thread::requestExit(); 10155a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 10165a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPaused || mPausedInt) { 10175a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPaused = false; 10185a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = false; 10195a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.signal(); 10205a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 102189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 102289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::pause() 102489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 102568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 102668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mPaused = true; 102789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 102889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::resume() 10306dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten{ 103168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 103268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mPaused) { 103368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mPaused = false; 103468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mMyCond.signal(); 10356dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten } 10366dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten} 10376dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten 10385a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioRecord::AudioRecordThread::pauseInternal(nsecs_t ns) 10395a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 10405a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 10415a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 10425a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 10435a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 10445a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 104589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 104689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 104789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1048