AudioRecord.cpp revision 9f80dd223d83d9bb9077fb6baee056cee4eaf7e5
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> 2689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#define WAIT_PERIOD_MS 10 289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3015304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh// --------------------------------------------------------------------------- 3115304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 3215304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh// static 3315304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yehstatus_t AudioRecord::getMinFrameCount( 34e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 3515304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh uint32_t sampleRate, 3658f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 37dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten audio_channel_mask_t channelMask) 3815304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh{ 399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (frameCount == NULL) { 409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4204cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 4304cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten // default to 0 in case of error 4404cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten *frameCount = 0; 4504cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 4615304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh size_t size = 0; 47c9b2e20f7c9a71e07ef398152709c76079decbcdGlenn Kasten status_t status = AudioSystem::getInputBufferSize(sampleRate, format, channelMask, &size); 48c9b2e20f7c9a71e07ef398152709c76079decbcdGlenn Kasten if (status != NO_ERROR) { 49c9b2e20f7c9a71e07ef398152709c76079decbcdGlenn Kasten ALOGE("AudioSystem could not query the input buffer size; status %d", status); 5015304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return NO_INIT; 5115304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh } 5215304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 5315304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh if (size == 0) { 543b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten ALOGE("Unsupported configuration: sampleRate %u, format %d, channelMask %#x", 55dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten sampleRate, format, channelMask); 5615304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return BAD_VALUE; 5715304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh } 5815304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 5915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh // We double the size of input buffer for ping pong use of record buffer. 6015304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh size <<= 1; 6115304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 62fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(format)) { 63a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten uint32_t channelCount = popcount(channelMask); 64671a636931295d9c33ffca74551a804479d01241Eric Laurent size /= channelCount * audio_bytes_per_sample(format); 6515304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh } 6615304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 6715304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh *frameCount = size; 6815304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return NO_ERROR; 6915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh} 7089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 7289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::AudioRecord() 74879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), mSessionId(0), 759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(SP_DEFAULT) 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::AudioRecord( 80eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten audio_source_t inputSource, 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 8258f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 83624a7fcb377f2a40109c16de5109ae8ea1f67a69Glenn Kasten audio_channel_mask_t channelMask, 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 8589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 87be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transfer_type transferType) 90879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), mSessionId(0), 91e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), 92e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT), 93e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy(NULL) 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStatus = set(inputSource, sampleRate, format, channelMask, frameCount, cbf, user, 969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten notificationFrames, false /*threadCanCallJava*/, sessionId, transferType); 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::~AudioRecord() 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer empty condition in obtainBuffer(). 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 10668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mAudioRecordThread != 0) { 10768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread->requestExit(); // see comment in AudioRecord.h 10868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread->requestExitAndWait(); 10968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mAudioRecordThread.clear(); 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioRecord != 0) { 1129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->asBinder()->unlinkToDeath(mDeathNotifier, this); 1139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord.clear(); 1149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1163a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::set( 121eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten audio_source_t inputSource, 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 12358f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 124624a7fcb377f2a40109c16de5109ae8ea1f67a69Glenn Kasten audio_channel_mask_t channelMask, 125e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten int frameCountInt, 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 129be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 1309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 1319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transfer_type transferType) 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 1349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 1359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || threadCanCallJava) { 1369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 1379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 1389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 1399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 1429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL) { 1439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL"); 1449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 1489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 1499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 1509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 1519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 1529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 1539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 1559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 156e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten // FIXME "int" here is legacy and will be replaced by size_t later 157e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (frameCountInt < 0) { 158e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGE("Invalid frame count %d", frameCountInt); 159e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten return BAD_VALUE; 160e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten } 161e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount = frameCountInt; 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 163e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set(): sampleRate %u, channelMask %#x, frameCount %u", sampleRate, channelMask, 16485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten frameCount); 1651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1681dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioRecord != 0) { 1699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Track already in use"); 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 173c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (inputSource == AUDIO_SOURCE_DEFAULT) { 174c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent inputSource = AUDIO_SOURCE_MIC; 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = DEFAULT_SAMPLE_RATE; 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 180e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 181e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 18358f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 184fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 187c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // validate parameters 188fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 1899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid format %d", format); 190c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1922e4664677d72ce54201d3fd0beb0e10280add93cGlenn Kasten mFormat = format; 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1940d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_input_channel(channelMask)) { 1959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 198a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 199a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten uint32_t channelCount = popcount(channelMask); 200a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 201c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2022e4664677d72ce54201d3fd0beb0e10280add93cGlenn Kasten if (audio_is_linear_pcm(format)) { 203e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 204e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 205e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = sizeof(uint8_t); 206e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 207e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 2087c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent if (sessionId == 0 ) { 2097c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mSessionId = AudioSystem::newAudioSessionId(); 2107c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent } else { 2117c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mSessionId = sessionId; 2127c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent } 2133856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("set(): mSessionId %d", mSessionId); 2147c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent 2156100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent audio_io_handle_t input = AudioSystem::getInput(inputSource, 2167c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent sampleRate, 2177c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent format, 2187c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent channelMask, 2197c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mSessionId); 2206100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent if (input == 0) { 22129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio input for record source %d", inputSource); 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate framecount 226e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t minFrameCount = 0; 2276f744d75d3439f7984245e3c489cc7cf91cea41cEric Laurent status_t status = getMinFrameCount(&minFrameCount, sampleRate, format, channelMask); 22815304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh if (status != NO_ERROR) { 2299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getMinFrameCount() failed; status %d", status); 23015304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return status; 231c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2323856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("AudioRecord::set() minFrameCount = %d", minFrameCount); 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frameCount == 0) { 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frameCount = minFrameCount; 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else if (frameCount < minFrameCount) { 2379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("frameCount %u < minFrameCount %u", frameCount, minFrameCount); 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (notificationFrames == 0) { 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project notificationFrames = frameCount/2; 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioRecord 2469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = openRecord_l(sampleRate, format, frameCount, input, 0 /*epoch*/); 24734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 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 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Update buffer size in case it has been limited by AudioFlinger during track creation 259b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = mCblk->frameCount_; 26083a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten 26168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mActive = false; 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf = cbf; 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNotificationFrames = notificationFrames; 2649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // TODO: add audio hardware input latency here 267573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mLatency = (1000*mFrameCount) / sampleRate; 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2697d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 272eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten mInputSource = inputSource; 27305bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent mInput = input; 2743a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 2759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 2769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 2779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = false; 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 284a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurentstatus_t AudioRecord::start(AudioSystem::sync_event_t event, int triggerSession) 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 286a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent ALOGV("start, sync event %d trigger session %d", event, triggerSession); 28789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 288f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 2899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mActive) { 2909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NO_ERROR; 2919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 2949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 2956dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten 2969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 2979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_acquire_load(&mCblk->flags); 2989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 3009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 3019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("mAudioRecord->start()"); 3029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioRecord->start(event, triggerSession); 3039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 3049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 3051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 3069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 3089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreRecord_l("start"); 3099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 3119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 3129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 3139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 3149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mActive = true; 3159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecordThread> t = mAudioRecordThread; 3169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 3179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten t->resume(); 3186100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } else { 3199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 3209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 3219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 328d64cd233eef39430561c1e1df423336a199cc5d7Glenn Kastenvoid AudioRecord::stop() 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 330f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mActive) { 3329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 3339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 3349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 3359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mActive = false; 3369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 3379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->stop(); 3389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the record head position will reset to 0, so if a marker is set, we need 3399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 3409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 3419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecordThread> t = mAudioRecordThread; 3429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 3439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten t->pause(); 3449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 3459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 3469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioRecord::stopped() const 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 35268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex lock(mLock); 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return !mActive; 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::setMarkerPosition(uint32_t marker) 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mCbf == NULL) { 3599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 3609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 362955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 3647d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 36589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 369606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getMarkerPosition(uint32_t *marker) const 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (marker == NULL) { 3729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 375955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::setPositionUpdatePeriod(uint32_t updatePeriod) 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mCbf == NULL) { 3849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 3859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 386955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten 387955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 3889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 39389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 394606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getPositionUpdatePeriod(uint32_t *updatePeriod) const 39589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 3969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod == NULL) { 3979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 3989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 400955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten AutoMutex lock(mLock); 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 40489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 406606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getPosition(uint32_t *position) const 40789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position == NULL) { 4099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 4109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mProxy->getPosition(); 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 418606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenunsigned int AudioRecord::getInputFramesLost() const 41905bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent{ 420bf04a5d7f287fc712e0ed91849dc85c90c1e182dGlenn Kasten // no need to check mActive, because if inactive this will return 0, which is what we want 4219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return AudioSystem::getInputFramesLost(getInput()); 42205bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 42589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 4271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioRecord::openRecord_l( 42834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 42958f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 430e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 4319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_io_handle_t input, 4329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t epoch) 43334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 43434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 43534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 43634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 437b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten ALOGE("Could not get audioflinger"); 43834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 43934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 44034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 4411879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten pid_t tid = -1; 4429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME see similar logic at AudioTrack for tid 4431879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten 444955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten int originalSessionId = mSessionId; 4458d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioRecord> record = audioFlinger->openRecord(input, 44634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, format, 447a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 44834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 449a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::TRACK_DEFAULT, 4501879fff068422852c1483dcf8365c2ff0e2fadfcGlenn Kasten tid, 451be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 45234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 453955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten ALOGE_IF(originalSessionId != 0 && mSessionId != originalSessionId, 454955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten "session ID changed from %d to %d", originalSessionId, mSessionId); 4553a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 45634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (record == 0) { 45729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create record track, status: %d", status); 45834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 45934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 460b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten sp<IMemory> iMem = record->getCblk(); 461b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (iMem == 0) { 46229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 46334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 46434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 4659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioRecord != 0) { 4669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->asBinder()->unlinkToDeath(mDeathNotifier, this); 4679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 4689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 46934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioRecord = record; 470b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mCblkMemory = iMem; 471b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); 472b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mCblk = cblk; 4739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // starting address of buffers in shared memory 4759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void *buffers = (char*)cblk + sizeof(audio_track_cblk_t); 476e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 477e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 4789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioRecordClientProxy(cblk, buffers, frameCount, mFrameSize); 4799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 4809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFrames); 4819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 4839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioRecord->asBinder()->linkToDeath(mDeathNotifier, this); 484e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 48534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 48634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 48734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 4919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 4929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 4949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 4959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 4969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 4979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 4989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 499e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 5009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 5019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 5029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 5039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 5049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 5059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 5069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 5079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 5089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 5099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 5109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 5119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 5139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 5149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 5169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioRecord::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 5199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 5209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioRecord sequence numbers are used to detect track re-creation 5229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 5239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 5249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 5269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 5279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 5299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 5309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 5329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 5339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 5349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecordClientProxy> proxy; 5359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 5369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { 5379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // start of lock scope 5389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 5399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 5419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 5429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 5439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 5449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 5459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreRecord_l("obtainBuffer"); 5469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 5479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 54834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 5549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 5559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 556c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped 5589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mActive) { 5599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 5609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 56389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 5659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 5669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 5679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 56989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 5719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSize; 5729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 5739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 5749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 5759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioRecord::releaseBuffer(Buffer* audioBuffer) 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // all TRANSFER_* are valid 5829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSize; 5849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 5859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 5899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 5909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 591e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 5921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = false; 5949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 5959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the server does not automatically disable recorder on overrun, so no need to restart 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 599606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenaudio_io_handle_t AudioRecord::getInput() const 6006100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent{ 6011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 602d1a243e41caffa8fd346907eed4625c9c47c1a86Eric Laurent return mInput; 6031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 6041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 6061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioRecord::getInput_l() 6071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 60805bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent mInput = AudioSystem::getInput(mInputSource, 609e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate, 6107c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mFormat, 6117c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mChannelMask, 6127c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mSessionId); 61305bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent return mInput; 6146100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent} 6156100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioRecord::read(void* buffer, size_t userSize) 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC) { 6219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 6229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 6259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sanity-check. user is most-likely passing an error code, and it would 6269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // make the return value ambiguous (actualSize vs error). 6279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("AudioRecord::read(buffer=%p, size=%u (%d)", buffer, userSize, userSize); 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ssize_t read = 0; 6329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 6359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 6399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (read > 0) { 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 641d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 64289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t bytesRead = audioBuffer.size; 6469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(buffer, audioBuffer.i8, bytesRead); 6479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((char *) buffer) + bytesRead; 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= bytesRead; 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project read += bytesRead; 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 6529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return read; 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastennsecs_t AudioRecord::processAudioBuffer(const sp<AudioRecordThread>& thread) 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 6629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 6649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and(~CBLK_OVERRUN, &mCblk->flags); 6659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 6679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 6689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten (void) restoreRecord_l("processAudioBuffer"); 6699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 6709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Run again immediately, but with a new IAudioRecord 6719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 6729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 67468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten bool active = mActive; 6759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage overrun callback, must be done under lock to avoid race with releaseBuffer() 6779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newOverrun = false; 6789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_OVERRUN) { 6799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInOverrun) { 6809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInOverrun = true; 6819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newOverrun = true; 6829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 6869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 6879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage marker callback 6899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 6909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 6919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 6929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 6939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 6949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 6959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 6969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine the number of new position callback(s) that will be needed, while locked 6979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 6989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 699955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten uint32_t updatePeriod = mUpdatePeriod; 7009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 7019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 7029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 7039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 7049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 7079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t notificationFrames = mNotificationFrames; 7089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 7099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 7109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 7119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 7129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 7149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t sequence = mSequence; 7159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 7179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mSampleRate 7189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 7201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 7229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newOverrun) { 7239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_OVERRUN, mUserData, NULL); 7249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 726955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 72789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 7289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 7299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 730955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 731955e78180ac6111c54f50930b0c4c12395e86cf7Glenn Kasten newPosition += updatePeriod; 7329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 7339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 7359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 7369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIORECORD, mUserData, NULL); 73789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 73889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 7409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 7419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 7429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers) 7459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 7469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 7479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 7489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 7509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 7519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 7549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 7559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 7569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 7579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 7609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 7619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 7629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 7639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 7649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / mSampleRate) + kFudgeNs; 7659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 7689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 7699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 7709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 7739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 7749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 7759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 7769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 7779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 7789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 7799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 7829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 7849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 7859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 7869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 7879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 7889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 7899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 7909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 7919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("obtainBuffer(%u) returned %u = %u + %u", 7929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames, avail, audioBuffer.frameCount, nonContig); 7939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 7949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR) { 7959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 7969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 7979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 7989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 7999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRetryOnPartialBuffer) { 8029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 8039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 8049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 8059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1100000000LL) / mSampleRate; 8069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 8079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 8089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 81089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 81189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 81289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 81489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 8159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t readSize = audioBuffer.size; 81689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 8189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(readSize) < 0 || readSize > reqSize) { 8199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 8209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) readSize); 8219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 8229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (readSize == 0) { 8259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // The callback is done consuming buffers 826cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // Keep this thread going to handle timed events and 8279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // still try to provide more data in intervals of WAIT_PERIOD_MS 828cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // but don't just loop and block the CPU, so wait 8299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 830cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent } 83189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = readSize / mFrameSize; 8339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 8349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 8359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 8369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 8379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 8389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 8399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 84089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 84289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 8449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 8459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (readSize < reqSize) { 8469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 8479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 84889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 8509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 8519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 8529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 853c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 8549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 8559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 8569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 8579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 8589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 8599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 8609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / mSampleRate; 86189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 8629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 86389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 86489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 8659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 8669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 8679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 8699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 87089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 87189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioRecord::restoreRecord_l(const char *from) 8731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 8749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("dead IAudioRecord, creating a new one from %s()", from); 8759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 8761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 8771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 878b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // if the new IAudioRecord is created, openRecord_l() will modify the 879b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // following member variables: mAudioRecord, mCblkMemory and mCblk. 880b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten // It will also delete the strong references on previous IAudioRecord and IMemory 8819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 8829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = position + mUpdatePeriod; 8839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = openRecord_l(mSampleRate, mFormat, mFrameCount, getInput_l(), position); 884b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (result == NO_ERROR) { 8859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mActive) { 8869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // callback thread or sync event hasn't changed 8879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME this fails if we have a new AudioFlinger instance 8889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = mAudioRecord->start(AudioSystem::SYNC_EVENT_SAME, 0); 8899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 890b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten } 891b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten if (result != NO_ERROR) { 8929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreRecord_l() failed status %d", result); 893b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten mActive = false; 8941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 895b36a7a68af073b1e7fd5cad6aa2c52223fd30efdGlenn Kasten 8969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return result; 8979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 8981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 9001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 9019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioRecord::DeathNotifier::binderDied(const wp<IBinder>& who) 9029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 9039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioRecord> audioRecord = mAudioRecord.promote(); 9049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioRecord != 0) { 9059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioRecord->mLock); 9069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioRecord->mProxy->binderDied(); 9079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 9091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 91089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 91189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 91268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn KastenAudioRecord::AudioRecordThread::AudioRecordThread(AudioRecord& receiver, bool bCanCallJava) 9139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mResumeLatch(false) 91468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 91568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 91668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 91768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn KastenAudioRecord::AudioRecordThread::~AudioRecordThread() 91868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 91968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 92068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 92168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenbool AudioRecord::AudioRecordThread::threadLoop() 92268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten{ 92368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten { 92468337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 92568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mPaused) { 92668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mMyCond.wait(mMyLock); 92768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // caller will check for exitPending() 92868337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten return true; 92968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 93068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 9319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(this); 9329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 9339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 9349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 9359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_WHENEVER: 9369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sleep(1); 9379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 9389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 9399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten pauseConditional(); 9409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 9419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 9429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 9439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 9449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 9459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec req; 9469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten req.tv_sec = ns / 1000000000LL; 9479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten req.tv_nsec = ns % 1000000000LL; 9489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nanosleep(&req, NULL /*rem*/); 9499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 95068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten } 95168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten} 95268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten 95368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::requestExit() 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 95568337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten // must be in this order to avoid a race condition 95668337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten Thread::requestExit(); 95768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten resume(); 95889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 95989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::pause() 96189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 96268337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 96368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mPaused = true; 9649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mResumeLatch = false; 9659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 9669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 9679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioRecord::AudioRecordThread::pauseConditional() 9689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 9699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex _l(mMyLock); 9709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mResumeLatch) { 9719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mResumeLatch = false; 9729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 9739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPaused = true; 9749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 97589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 97689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97768337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kastenvoid AudioRecord::AudioRecordThread::resume() 9786dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten{ 97968337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten AutoMutex _l(mMyLock); 98068337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten if (mPaused) { 98168337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mPaused = false; 9829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mResumeLatch = false; 98368337edf595a0c345ba4b8adcd4f1e541a1d7eb7Glenn Kasten mMyCond.signal(); 9849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 9859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mResumeLatch = true; 9866dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten } 9876dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten} 9886dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten 98989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 99089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 99189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 992