AudioRecord.cpp revision 38e905b3cbba4da443d799b16999989781afc6d8
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() 74aea7ea06394bcb155972d82055d4ea59962e4051Glenn Kasten : mStatus(NO_INIT), mSessionId(AUDIO_SESSION_ALLOCATE), 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) 91aea7ea06394bcb155972d82055d4ea59962e4051Glenn Kasten : mStatus(NO_INIT), mSessionId(AUDIO_SESSION_ALLOCATE), 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 236aea7ea06394bcb155972d82055d4ea59962e4051Glenn Kasten if (sessionId == AUDIO_SESSION_ALLOCATE) { 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*/); 24738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status != NO_ERROR) { 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 25868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mActive = false; 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf = cbf; 2609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // TODO: add audio hardware input latency here 263573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mLatency = (1000*mFrameCount) / sampleRate; 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2657d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 26789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 2683a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 2699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 2709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 2719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = false; 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 278a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurentstatus_t AudioRecord::start(AudioSystem::sync_event_t event, int triggerSession) 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 280a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent ALOGV("start, sync event %d trigger session %d", event, triggerSession); 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 282f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 2839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mActive) { 2849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NO_ERROR; 2859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 2889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 2895e1f79baa5c7355effbd2c9183787d6604487908Glenn Kasten // force refresh of remaining frames by processAudioBuffer() as last 2905e1f79baa5c7355effbd2c9183787d6604487908Glenn Kasten // read before stop could be partial. 2915e1f79baa5c7355effbd2c9183787d6604487908Glenn Kasten mRefreshRemaining = true; 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{ 3552b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten // The only purpose of setting marker position is to get a callback 3569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mCbf == NULL) { 3579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 3589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 360955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 3627d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 367606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getMarkerPosition(uint32_t *marker) const 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (marker == NULL) { 3709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 373955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::setPositionUpdatePeriod(uint32_t updatePeriod) 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3812b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten // The only purpose of setting position update period is to get a callback 3829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mCbf == NULL) { 3839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 3849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 385955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten 386955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 3879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 393606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getPositionUpdatePeriod(uint32_t *updatePeriod) const 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod == NULL) { 3969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 399955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 405606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getPosition(uint32_t *position) const 40689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position == NULL) { 4089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 4099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mProxy->getPosition(); 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4175f972c031d4061f4f037c9fda1ea4bd9b6a756cdGlenn Kastenuint32_t AudioRecord::getInputFramesLost() const 41805bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent{ 419bf04a5d7f287fc712e0ed91849dc85c90c1e182dGlenn Kasten // no need to check mActive, because if inactive this will return 0, which is what we want 4209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return AudioSystem::getInputFramesLost(getInput()); 42105bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 426ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brownstatus_t AudioRecord::openRecord_l(size_t epoch) 42734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 42834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 42934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 43034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 431b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten ALOGE("Could not get audioflinger"); 43234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 43334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 43434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 4353151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 4361879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten pid_t tid = -1; 4371879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten 4383151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten // Client can only express a preference for FAST. Server will perform additional tests. 4393151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten // The only supported use case for FAST is callback transfer mode. 440ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (mFlags & AUDIO_INPUT_FLAG_FAST) { 4413151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten if ((mTransfer != TRANSFER_CALLBACK) || (mAudioRecordThread == 0)) { 4423151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten ALOGW("AUDIO_INPUT_FLAG_FAST denied by client"); 4433151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten // once denied, do not request again if IAudioRecord is re-created 444ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mFlags = (audio_input_flags_t) (mFlags & ~AUDIO_INPUT_FLAG_FAST); 4453151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten } else { 4463151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 4473151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten tid = mAudioRecordThread->getTid(); 4483151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten } 4493151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten } 4503151427b6b0adf99929433715bab6f1e505100c1Glenn Kasten 4514a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten mNotificationFramesAct = mNotificationFramesReq; 4524a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten 453ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (!(mFlags & AUDIO_INPUT_FLAG_FAST)) { 4544a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten // Make sure that application is notified with sufficient margin before overrun 455ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (mNotificationFramesAct == 0 || mNotificationFramesAct > mFrameCount/2) { 456ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mNotificationFramesAct = mFrameCount/2; 4574a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten } 4584a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten } 4594a0efb77198c69df711ab369ac482a42dbdfab07Glenn Kasten 460ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown audio_io_handle_t input = AudioSystem::getInput(mInputSource, mSampleRate, mFormat, 461ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mChannelMask, mSessionId); 462ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (input == 0) { 463ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown ALOGE("Could not get audio input for record source %d", mInputSource); 464ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown return BAD_VALUE; 465ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown } 46638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 46738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 46838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 469ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown 47074935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = mFrameCount; // temp may be replaced by a revised value of frameCount, 47174935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 472955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten int originalSessionId = mSessionId; 4738d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioRecord> record = audioFlinger->openRecord(input, 474ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mSampleRate, mFormat, 475a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 47674935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 477eeca32671896739e84050da5992d5f151a1629deGlenn Kasten &trackFlags, 4781879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten tid, 479be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 48034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 481aea7ea06394bcb155972d82055d4ea59962e4051Glenn Kasten ALOGE_IF(originalSessionId != AUDIO_SESSION_ALLOCATE && mSessionId != originalSessionId, 482955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 4833a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 484e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten if (record == 0 || status != NO_ERROR) { 48529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create record track, status: %d", status); 48638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 48734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 48838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 48938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 49038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 491b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten sp<IMemory> iMem = record->getCblk(); 492b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (iMem == 0) { 49329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 49434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 49534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 496e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten void *iMemPointer = iMem->pointer(); 497e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten if (iMemPointer == NULL) { 498e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten ALOGE("Could not get control block pointer"); 499e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten return NO_INIT; 500e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten } 5019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioRecord != 0) { 5029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->asBinder()->unlinkToDeath(mDeathNotifier, this); 5039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 5049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 50538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 50638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 507ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mInput = input; 50834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioRecord = record; 509b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mCblkMemory = iMem; 510e93cf2ca27ae6f4a81d4ef548bbf10a34db6d98fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 511b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mCblk = cblk; 51274935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of mFrameCount 51374935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten if (temp < mFrameCount || (mFrameCount == 0 && temp == 0)) { 51474935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", mFrameCount, temp); 51574935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten } 51674935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten mFrameCount = temp; 51774935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten 5187cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten // FIXME missing fast track frameCount logic 5197cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten mAwaitBoost = false; 520ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (mFlags & AUDIO_INPUT_FLAG_FAST) { 5217cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 522ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown ALOGV("AUDIO_INPUT_FLAG_FAST successful; frameCount %u", mFrameCount); 5237cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten mAwaitBoost = true; 5247cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten // double-buffering is not required for fast tracks, due to tighter scheduling 525ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (mNotificationFramesAct == 0 || mNotificationFramesAct > mFrameCount) { 526ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mNotificationFramesAct = mFrameCount; 5277cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } 5287cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } else { 529ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown ALOGV("AUDIO_INPUT_FLAG_FAST denied by server; frameCount %u", mFrameCount); 5307cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten // once denied, do not request again if IAudioRecord is re-created 531ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mFlags = (audio_input_flags_t) (mFlags & ~AUDIO_INPUT_FLAG_FAST); 532ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown if (mNotificationFramesAct == 0 || mNotificationFramesAct > mFrameCount/2) { 533ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mNotificationFramesAct = mFrameCount/2; 5347cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } 5357cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } 5367cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten } 5379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // starting address of buffers in shared memory 5399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void *buffers = (char*)cblk + sizeof(audio_track_cblk_t); 540e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 541e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 542ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown mProxy = new AudioRecordClientProxy(cblk, buffers, mFrameCount, mFrameSize); 5439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 5447cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten mProxy->setMinimum(mNotificationFramesAct); 5459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 5479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->asBinder()->linkToDeath(mDeathNotifier, this); 548e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 54934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 55038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 55138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 55238e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 55338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten AudioSystem::releaseInput(input); 55438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 55538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 55638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 55738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 55834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 55934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 56089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 5639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 5649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 5669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 5679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 5689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 5699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 5709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 571e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 5729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 5739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 5749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 5759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 5769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 5779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 5789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 5799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 5809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 5819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 5829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 5839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 5859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 5869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 5889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioRecord::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 5919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 5929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioRecord sequence numbers are used to detect track re-creation 5949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 5959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 5969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 5989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 5999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 6019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 6029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 6049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 6059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 6069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecordClientProxy> proxy; 6079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 6089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { 6099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // start of lock scope 6109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 6139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 6149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 6159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 6169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 6179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreRecord_l("obtainBuffer"); 6189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 619d8a9d0220e84ae0b5049385aa9b1a0d8ea02b5bbGlenn Kasten buffer.mFrameCount = 0; 620d8a9d0220e84ae0b5049385aa9b1a0d8ea02b5bbGlenn Kasten buffer.mRaw = NULL; 621d8a9d0220e84ae0b5049385aa9b1a0d8ea02b5bbGlenn Kasten buffer.mNonContig = 0; 6229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 62334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 6299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 6309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 631c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped 6339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mActive) { 6349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 6359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 6409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 6419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 6429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 6469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSize; 6479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 6489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 6499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 6509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 65289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioRecord::releaseBuffer(Buffer* audioBuffer) 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // all TRANSFER_* are valid 6579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSize; 6599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 6609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 6619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 6649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 6659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 666e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 6671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = false; 6699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 6709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the server does not automatically disable recorder on overrun, so no need to restart 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 674606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenaudio_io_handle_t AudioRecord::getInput() const 6756100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent{ 6761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 677d1a243e41caffa8fd346907eed4625c9c47c1a86Eric Laurent return mInput; 6781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 6791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioRecord::read(void* buffer, size_t userSize) 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC) { 6859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 6869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 6899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sanity-check. user is most-likely passing an error code, and it would 6909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // make the return value ambiguous (actualSize vs error). 6919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("AudioRecord::read(buffer=%p, size=%u (%d)", buffer, userSize, userSize); 69289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 69389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ssize_t read = 0; 6969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 6999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 70089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 70289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 7039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (read > 0) { 70489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 705d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 70889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t bytesRead = audioBuffer.size; 7109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(buffer, audioBuffer.i8, bytesRead); 7119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((char *) buffer) + bytesRead; 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= bytesRead; 71389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project read += bytesRead; 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 7169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return read; 71989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7237c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioRecord::processAudioBuffer() 72489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 72628f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten if (mAwaitBoost) { 72728f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten mAwaitBoost = false; 72828f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten mLock.unlock(); 72928f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten static const int32_t kMaxTries = 5; 73028f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten int32_t tryCounter = kMaxTries; 73128f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten uint32_t pollUs = 10000; 73228f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten do { 73328f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten int policy = sched_getscheduler(0); 73428f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 73528f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten break; 73628f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } 73728f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten usleep(pollUs); 73828f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten pollUs <<= 1; 73928f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } while (tryCounter-- > 0); 74028f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten if (tryCounter < 0) { 74128f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten ALOGE("did not receive expected priority boost on time"); 74228f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } 74328f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten // Run again immediately 74428f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten return 0; 74528f1351369682801e1bb40a835bdae3c97b73c1cGlenn Kasten } 7469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 74896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_OVERRUN, &mCblk->mFlags); 7499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 7519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 7529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten (void) restoreRecord_l("processAudioBuffer"); 7539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 7549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Run again immediately, but with a new IAudioRecord 7559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 7569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 75868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten bool active = mActive; 7599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage overrun callback, must be done under lock to avoid race with releaseBuffer() 7619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newOverrun = false; 7629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_OVERRUN) { 7639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInOverrun) { 7649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = true; 7659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newOverrun = true; 7669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 7709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 7719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage marker callback 7739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 7749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 7759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 7769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 7779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 7789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine the number of new position callback(s) that will be needed, while locked 7819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 7829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 783955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t updatePeriod = mUpdatePeriod; 7849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 7859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 7869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 7879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 7889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 7917cd9cf70e36ad4b8eb12e24f9adbbe6fd69edebdGlenn Kasten size_t notificationFrames = mNotificationFramesAct; 7929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 7939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 7949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 7959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 7969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 7988ff50e7526d24aca11713006933b8dcb64ef6be9Glenn Kasten uint32_t sequence = mSequence; 7999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 8012b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten // mTransfer, mCbf, mUserData, mSampleRate, mFrameSize 8029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 8041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 8069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newOverrun) { 8079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_OVERRUN, mUserData, NULL); 8089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 810955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 81189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 8129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 8139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 814955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 815955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten newPosition += updatePeriod; 8169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 8179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 8199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 8209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIORECORD, mUserData, NULL); 82189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 82289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 8249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 8259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 8269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers) 8299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 8309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 8319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 8329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 8349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 8359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 8389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 8399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 8409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 8419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 8449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 8459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 8469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 8479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 8489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / mSampleRate) + kFudgeNs; 8499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 8529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 8539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 8549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 8579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 8589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 8599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 8609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 8619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 8629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 8639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 8669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 8689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 8699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 8709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 8719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 8729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 8739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 8749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 8752b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten ALOGV("obtainBuffer(%u) returned %u = %u + %u err %d", 8762b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 8779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 8789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR) { 8799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 8809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 8829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 8839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRetryOnPartialBuffer) { 8869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 8879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 8889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 8899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1100000000LL) / mSampleRate; 8909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 8919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 8929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 89489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 89589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 89689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 89889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 8999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t readSize = audioBuffer.size; 90089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 90189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 9029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(readSize) < 0 || readSize > reqSize) { 9039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 9049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) readSize); 9059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 9069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (readSize == 0) { 9099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // The callback is done consuming buffers 910cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // Keep this thread going to handle timed events and 9119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // still try to provide more data in intervals of WAIT_PERIOD_MS 912cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // but don't just loop and block the CPU, so wait 9139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 914cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent } 91589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = readSize / mFrameSize; 9179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 9189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 9199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 9209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 9219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 9229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 9239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 92489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 92689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 9289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 9299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (readSize < reqSize) { 9309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 9319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 93289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 9349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 9359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 9369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 937c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 9389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 9399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 9409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 9419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 9429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 9439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 9449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / mSampleRate; 94589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 9469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 94789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 94889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 9499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 9509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 9519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 9539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 95589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioRecord::restoreRecord_l(const char *from) 9571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 9589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("dead IAudioRecord, creating a new one from %s()", from); 9599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 9601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 9611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 962b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // if the new IAudioRecord is created, openRecord_l() will modify the 963b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // following member variables: mAudioRecord, mCblkMemory and mCblk. 964b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // It will also delete the strong references on previous IAudioRecord and IMemory 9659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 9669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = position + mUpdatePeriod; 967ac0bbe16f3eba46b3d8057b66c2aff9101fc6f7dJeff Brown result = openRecord_l(position); 968b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (result == NO_ERROR) { 9699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mActive) { 9709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // callback thread or sync event hasn't changed 9719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME this fails if we have a new AudioFlinger instance 9729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = mAudioRecord->start(AudioSystem::SYNC_EVENT_SAME, 0); 9739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 974b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten } 975b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (result != NO_ERROR) { 9769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreRecord_l() failed status %d", result); 977b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mActive = false; 9781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 979b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten 9809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return result; 9819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 9821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 9839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 9841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 9857c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioRecord::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 9869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 9879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecord> audioRecord = mAudioRecord.promote(); 9889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioRecord != 0) { 9899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioRecord->mLock); 9909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioRecord->mProxy->binderDied(); 9919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 9931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 99489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 99589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 99668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn KastenAudioRecord::AudioRecordThread::AudioRecordThread(AudioRecord& receiver, bool bCanCallJava) 99741721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 99841721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten mIgnoreNextPausedInt(false) 99968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 100068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 100168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 100268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn KastenAudioRecord::AudioRecordThread::~AudioRecordThread() 100368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 100468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 100568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 100668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenbool AudioRecord::AudioRecordThread::threadLoop() 100768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 100868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten { 100968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 101068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mPaused) { 101168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mMyCond.wait(mMyLock); 101268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // caller will check for exitPending() 101368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten return true; 101468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 101541721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten if (mIgnoreNextPausedInt) { 101641721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten mIgnoreNextPausedInt = false; 101741721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten mPausedInt = false; 101841721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten } 10195a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 10205a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 10215a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 10225a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 10235a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 10245a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 10259d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 10265a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 10275a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 102868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 10297c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 10309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 10319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 10329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 10339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 10345a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 10359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 10369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 10379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 10385a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 10395a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 10405a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 10415a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 10429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 10439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 10445a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 10459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 104668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 104768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 104868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 104968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::requestExit() 105089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 105168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // must be in this order to avoid a race condition 105268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten Thread::requestExit(); 105341721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten resume(); 105489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 105589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::pause() 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 105868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 105968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mPaused = true; 106089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 106189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::resume() 10636dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten{ 106468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 106541721bb796da589f8a669d1db7687a0da8f88761Glenn Kasten mIgnoreNextPausedInt = true; 10669d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 106768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mPaused = false; 10689d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 106968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mMyCond.signal(); 10706dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten } 10716dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten} 10726dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten 10735a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioRecord::AudioRecordThread::pauseInternal(nsecs_t ns) 10745a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 10755a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 10765a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 10775a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 10785a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 10795a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 108089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 108189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1083