AudioRecord.cpp revision bf04a5d7f287fc712e0ed91849dc85c90c1e182d
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 <sys/types.h> 2389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <binder/IPCThreadState.h> 25868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <cutils/atomic.h> 26868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <cutils/compiler.h> 2789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioRecord.h> 28868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <media/AudioSystem.h> 29868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <system/audio.h> 3089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 3189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32868a6a357018e5872e064b7a13a9b891e2078962Glenn Kasten#include <private/media/AudioTrackShared.h> 3389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3515304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh// --------------------------------------------------------------------------- 3615304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 3715304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh// static 3815304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yehstatus_t AudioRecord::getMinFrameCount( 3915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh int* frameCount, 4015304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh uint32_t sampleRate, 4158f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 42dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten audio_channel_mask_t channelMask) 4315304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh{ 4415304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh size_t size = 0; 45dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten if (AudioSystem::getInputBufferSize(sampleRate, format, channelMask, &size) 4615304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh != NO_ERROR) { 4729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioSystem could not query the input buffer size."); 4815304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return NO_INIT; 4915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh } 5015304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 5115304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh if (size == 0) { 52dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten ALOGE("Unsupported configuration: sampleRate %d, format %d, channelMask %#x", 53dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten sampleRate, format, channelMask); 5415304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return BAD_VALUE; 5515304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh } 5615304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 5715304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh // We double the size of input buffer for ping pong use of record buffer. 5815304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh size <<= 1; 5915304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 60fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(format)) { 61dd8104cc5367262f0e5f13df4e79f131e8d560bbGlenn Kasten int channelCount = popcount(channelMask); 62671a636931295d9c33ffca74551a804479d01241Eric Laurent size /= channelCount * audio_bytes_per_sample(format); 6315304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh } 6415304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh 6515304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh *frameCount = size; 6615304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return NO_ERROR; 6715304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh} 6889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 7089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::AudioRecord() 72879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), mSessionId(0), 73a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(SP_DEFAULT) 7489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::AudioRecord( 78eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten audio_source_t inputSource, 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 8058f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 81624a7fcb377f2a40109c16de5109ae8ea1f67a69Glenn Kasten audio_channel_mask_t channelMask, 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 85be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 86be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 87879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), mSessionId(0), 88a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(SP_DEFAULT) 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 900d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(inputSource, sampleRate, format, channelMask, 91f92eec53f886f43e4374a36195be55f2a7bbcf36Glenn Kasten frameCount, cbf, user, notificationFrames, sessionId); 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::~AudioRecord() 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer empty condition in obtainBuffer(). 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 10089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mClientRecordThread != 0) { 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mClientRecordThread->requestExitAndWait(); 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mClientRecordThread.clear(); 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioRecord.clear(); 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1073a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 10889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::set( 112eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten audio_source_t inputSource, 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 11458f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 115624a7fcb377f2a40109c16de5109ae8ea1f67a69Glenn Kasten audio_channel_mask_t channelMask, 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 120be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 121be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124624a7fcb377f2a40109c16de5109ae8ea1f67a69Glenn Kasten ALOGV("set(): sampleRate %d, channelMask %#x, frameCount %d",sampleRate, channelMask, frameCount); 1251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1281dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioRecord != 0) { 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (inputSource == AUDIO_SOURCE_DEFAULT) { 133c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent inputSource = AUDIO_SOURCE_MIC; 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = DEFAULT_SAMPLE_RATE; 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 14058f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 141fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 143c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // validate parameters 144fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 14529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid format"); 146c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1490d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_input_channel(channelMask)) { 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 152be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 1530d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelCount = popcount(channelMask); 154c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1557c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent if (sessionId == 0 ) { 1567c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mSessionId = AudioSystem::newAudioSessionId(); 1577c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent } else { 1587c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mSessionId = sessionId; 1597c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent } 1603856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("set(): mSessionId %d", mSessionId); 1617c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent 1626100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent audio_io_handle_t input = AudioSystem::getInput(inputSource, 1637c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent sampleRate, 1647c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent format, 1657c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent channelMask, 1667c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mSessionId); 1676100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent if (input == 0) { 16829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio input for record source %d", inputSource); 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate framecount 17315304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh int minFrameCount = 0; 17415304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh status_t status = getMinFrameCount(&minFrameCount, sampleRate, format, channelCount); 17515304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh if (status != NO_ERROR) { 17615304d601cbf83be6519ca53e1a26b97d50d0192Chia-chi Yeh return status; 177c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 1783856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("AudioRecord::set() minFrameCount = %d", minFrameCount); 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frameCount == 0) { 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frameCount = minFrameCount; 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else if (frameCount < minFrameCount) { 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (notificationFrames == 0) { 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project notificationFrames = frameCount/2; 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioRecord 1910d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi status = openRecord_l(sampleRate, format, channelMask, 192a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten frameCount, input); 19334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 197a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (cbf != NULL) { 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mClientRecordThread = new ClientRecordThread(*this, threadCanCallJava); 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mFormat = format; 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Update buffer size in case it has been limited by AudioFlinger during track creation 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mFrameCount = mCblk->frameCount; 206c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mChannelCount = (uint8_t)channelCount; 2070d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mChannelMask = channelMask; 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mActive = 0; 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf = cbf; 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNotificationFrames = notificationFrames; 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = notificationFrames; 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // TODO: add audio hardware input latency here 214573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mLatency = (1000*mFrameCount) / sampleRate; 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2167d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 219eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten mInputSource = inputSource; 22005bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent mInput = input; 2213a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::initCheck() const 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioRecord::latency() const 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 23589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23858f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kastenaudio_format_t AudioRecord::format() const 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioRecord::channelCount() const 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioRecord::frameCount() const 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 25089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFrameCount; 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 253b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kastensize_t AudioRecord::frameSize() const 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 255fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(mFormat)) { 256671a636931295d9c33ffca74551a804479d01241Eric Laurent return channelCount()*audio_bytes_per_sample(mFormat); 257c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 258c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return sizeof(uint8_t); 259c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 262eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kastenaudio_source_t AudioRecord::inputSource() const 263f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurent{ 264eba51fb3a361f67a6a64d5a16eba6084fe27d60eGlenn Kasten return mInputSource; 265f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurent} 266f5879c1448cc6aebc51b26d3ec2399d66144f8f4Eric Laurent 26789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 269a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurentstatus_t AudioRecord::start(AudioSystem::sync_event_t event, int triggerSession) 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t ret = NO_ERROR; 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<ClientRecordThread> t = mClientRecordThread; 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 274a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent ALOGV("start, sync event %d trigger session %d", event, triggerSession); 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->exitPending()) { 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->requestExitAndWait() == WOULD_BLOCK) { 27929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioRecord::start called from thread"); 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 283e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten } 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 285f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 2861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IAudioRecord and IMemory so that they cannot be destroyed 2871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 288e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioRecord> audioRecord = mAudioRecord; 289e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 2901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 291f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent if (mActive == 0) { 292f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent mActive = 1; 2931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 2946dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten pid_t tid; 2956dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten if (t != 0) { 2966dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten mReadyToRun = WOULD_BLOCK; 297480b46802bef1371d5caa16ad5454fce04769c57Glenn Kasten t->run("AudioRecord", ANDROID_PRIORITY_AUDIO); 2986dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten tid = t->getTid(); // pid_t is unknown until run() 2996dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten ALOGV("getTid=%d", tid); 3006dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten if (tid == -1) { 3016dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten tid = 0; 3026dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten } 3036dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten // thread blocks in readyToRun() 3046dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten } else { 3056dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten tid = 0; // not gettid() 3066dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten } 3076dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten 3081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 3091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 3101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 3113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("mAudioRecord->start()"); 3123acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ret = mAudioRecord->start(event, triggerSession); 3131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 3141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (ret == DEAD_OBJECT) { 31538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_INVALID_ON, &cblk->flags); 3166100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3176100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 3191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent ret = restoreRecord_l(cblk); 3201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 3211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 3226100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent if (ret == NO_ERROR) { 3231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = cblk->user + mUpdatePeriod; 3242986460984580833161bdaabc7f17da1005a8961Eric Laurent cblk->bufferTimeoutMs = (event == AudioSystem::SYNC_EVENT_NONE) ? MAX_RUN_TIMEOUT_MS : 3252986460984580833161bdaabc7f17da1005a8961Eric Laurent AudioSystem::kSyncRecordStartTimeOutMs; 3261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->waitTimeMs = 0; 3276100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent if (t != 0) { 3286dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten // thread unblocks in readyToRun() and returns NO_ERROR 3296dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten mReadyToRun = NO_ERROR; 3306dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten mCondition.signal(); 331c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 332879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 333a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 334879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 335c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 3366100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } else { 337f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent mActive = 0; 3386dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten // thread unblocks in readyToRun() and returns NO_INIT 3396dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten mReadyToRun = NO_INIT; 3406dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten mCondition.signal(); 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ret; 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::stop() 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<ClientRecordThread> t = mClientRecordThread; 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3513856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stop"); 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 353f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 354f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent if (mActive == 1) { 355f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent mActive = 0; 3561dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioRecord->stop(); 3587d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi // the record head position will reset to 0, so if a marker is set, we need 3597d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi // to activate it again 3607d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->requestExit(); 36389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 364879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 365a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 36689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 36789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 36889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 36989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 37089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 37189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 37289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioRecord::stopped() const 37389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return !mActive; 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 37689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 377606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenuint32_t AudioRecord::getSampleRate() const 378573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent{ 3791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 380573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 381573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent} 382573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::setMarkerPosition(uint32_t marker) 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 385a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 3887d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = false; 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::getMarkerPosition(uint32_t *marker) const 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 395a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (marker == NULL) return BAD_VALUE; 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::setPositionUpdatePeriod(uint32_t updatePeriod) 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 404a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 40589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 40789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 40989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 414606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getPositionUpdatePeriod(uint32_t *updatePeriod) const 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 416a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (updatePeriod == NULL) return BAD_VALUE; 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 423606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenstatus_t AudioRecord::getPosition(uint32_t *position) const 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 425a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (position == NULL) return BAD_VALUE; 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *position = mCblk->user; 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 433606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenunsigned int AudioRecord::getInputFramesLost() const 43405bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent{ 435bf04a5d7f287fc712e0ed91849dc85c90c1e182dGlenn Kasten // no need to check mActive, because if inactive this will return 0, which is what we want 436bf04a5d7f287fc712e0ed91849dc85c90c1e182dGlenn Kasten return AudioSystem::getInputFramesLost(mInput); 43705bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent} 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 44089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 4421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioRecord::openRecord_l( 44334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 44458f30210ea540b6ce5aa6a46330cd3499483cb97Glenn Kasten audio_format_t format, 445624a7fcb377f2a40109c16de5109ae8ea1f67a69Glenn Kasten audio_channel_mask_t channelMask, 44634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int frameCount, 4476100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent audio_io_handle_t input) 44834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 44934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 45034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 45134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 45234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 45334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 45434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 4556100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent sp<IAudioRecord> record = audioFlinger->openRecord(getpid(), input, 45634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, format, 4570d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask, 45834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 459a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::TRACK_DEFAULT, 460be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 46134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 4623a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen 46334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (record == 0) { 46429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create record track, status: %d", status); 46534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 46634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 46734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IMemory> cblk = record->getCblk(); 46834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (cblk == 0) { 46929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 47034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 47134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 47234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioRecord.clear(); 47334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioRecord = record; 47434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory.clear(); 47534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory = cblk; 47634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 47734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 47838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_DIRECTION_MSK, &mCblk->flags); 4796100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 4806100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->waitTimeMs = 0; 48134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 48234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 48334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioRecord::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int active; 488d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t result = NO_ERROR; 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 4911dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReady = cblk->framesReady(); 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReady == 0) { 49934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesReady == 0) { 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 503f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!active)) { 50434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 50634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 507f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!waitCount)) { 50834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 51034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 5111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 5121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 5131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 5141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 5151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 5161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (mActive == 0) { 5171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return status_t(STOPPED); 5181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 5191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 5201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 5211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 5221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent goto create_new_record; 5231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 524f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(result != NO_ERROR)) { 5251dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 52689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 5275ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW( "obtainBuffer timed out (is the CPU pegged?) " 52889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "user=%08x, server=%08x", cblk->user, cblk->server); 52934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 530a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // callback thread or sync event hasn't changed 5313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten result = mAudioRecord->start(AudioSystem::SYNC_EVENT_SAME, 0); 5321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 53334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 53438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_INVALID_ON, &cblk->flags); 5351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentcreate_new_record: 5361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = AudioRecord::restoreRecord_l(cblk); 5371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 5381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 5395ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("obtainBuffer create Track error %d", result); 5401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 5411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 54234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 54634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReady = cblk->framesReady(); 55389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 5582986460984580833161bdaabc7f17da1005a8961Eric Laurent // reset time out to running value after obtaining a buffer 5592986460984580833161bdaabc7f17da1005a8961Eric Laurent cblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 560c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesReady) { 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesReady; 56389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 568a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (framesReq > bufferEnd - u) { 56989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 57089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 57189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->flags = 0; 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->channelCount= mChannelCount; 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->format = mFormat; 57589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = framesReq; 576c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->size = framesReq*cblk->frameSize; 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->raw = (int8_t*)cblk->buffer(u); 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 57989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioRecord::releaseBuffer(Buffer* audioBuffer) 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mCblk->stepUser(audioBuffer->frameCount); 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 588606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenaudio_io_handle_t AudioRecord::getInput() const 5896100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent{ 5901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 591d1a243e41caffa8fd346907eed4625c9c47c1a86Eric Laurent return mInput; 5921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 5951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioRecord::getInput_l() 5961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 59705bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent mInput = AudioSystem::getInput(mInputSource, 5986100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->sampleRate, 5997c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mFormat, 6007c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mChannelMask, 6017c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mSessionId); 60205bca2fde53bfe3063d2a0a877f2b6bfdd6052cfEric Laurent return mInput; 6036100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent} 6046100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent 605606ee61616efdba4696ae591ad10a4be33d8c946Glenn Kastenint AudioRecord::getSessionId() const 606be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 607be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return mSessionId; 608be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 609be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioRecord::read(void* buffer, size_t userSize) 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t read = 0; 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int8_t *dst = static_cast<int8_t*>(buffer); 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // sanity-check. user is most-likely passing an error code. 62029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioRecord::read(buffer=%p, size=%u (%d)", 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 6261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IAudioRecord and IMemory so that they cannot be destroyed 6271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 628e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioRecord> audioRecord = mAudioRecord; 629e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 6301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 634c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = userSize/frameSize(); 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63688335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent // By using a wait count corresponding to twice the timeout period in 63788335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent // obtainBuffer() we give a chance to recover once for a read timeout 63888335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent // (if media_server crashed for instance) before returning a length of 63988335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent // 0 bytes read to the client 64088335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent status_t err = obtainBuffer(&audioBuffer, ((2 * MAX_RUN_TIMEOUT_MS) / WAIT_PERIOD_MS)); 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 64289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 64588335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent if (err == status_t(TIMED_OUT)) 64688335b1a749fe0157547907a2ce6c9632f4d2592Eric Laurent err = 0; 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t bytesRead = audioBuffer.size; 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(dst, audioBuffer.i8, bytesRead); 65289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project dst += bytesRead; 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= bytesRead; 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project read += bytesRead; 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while (userSize); 65989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return read; 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 66489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioRecord::processAudioBuffer(const sp<ClientRecordThread>& thread) 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames = mRemainingFrames; 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t readSize; 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 6721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IAudioRecord and IMemory so that they cannot be destroyed 6731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 674e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioRecord> audioRecord = mAudioRecord; 675e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 6761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 6771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 6781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 6807d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 6811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->user >= mMarkerPosition) { 68289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 6837d563247cdac0509009d579bbf849157d47c38a9Jean-Michel Trivi mMarkerReached = true; 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mUpdatePeriod > 0) { 6891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (cblk->user >= mNewPosition) { 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 69189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 69289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 69389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 697c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Calling obtainBuffer() with a wait count of 1 698c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // limits wait time to WAIT_PERIOD_MS. This prevents from being 69989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stuck here not being able to handle timed events (position, markers). 70089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, 1); 70189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 70289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 70329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 70489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 70889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 71189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project readSize = audioBuffer.size; 71389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 715cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent if (ssize_t(readSize) <= 0) { 716cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // The callback is done filling buffers 717cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // Keep this thread going to handle timed events and 718cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // still try to get more data in intervals of WAIT_PERIOD_MS 719cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent // but don't just loop and block the CPU, so wait 720cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent usleep(WAIT_PERIOD_MS*1000); 721cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent break; 722cd6725a333395ffeac3215ea4bf834a95aaa8defEric Laurent } 72389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (readSize > reqSize) readSize = reqSize; 72489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = readSize; 726c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = readSize/frameSize(); 72789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 72889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 73089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 73189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } while (frames); 73289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 733c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 73489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage overrun callback 7351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (mActive && (cblk->framesAvailable() == 0)) { 7363856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Overrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags); 73738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!(android_atomic_or(CBLK_UNDERRUN_ON, &cblk->flags) & CBLK_UNDERRUN_MSK)) { 73833797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent mCbf(EVENT_OVERRUN, mUserData, 0); 73989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 74089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 74189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 74389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = mNotificationFrames; 74489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 74589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 74689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 74789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 74889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock and cblk.lock held. Callers must also hold strong references on 7511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// the IAudioRecord and IMemory in case they are recreated here. 7521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// If the IAudioRecord is successfully restored, the cblk pointer is updated 7531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioRecord::restoreRecord_l(audio_track_cblk_t*& cblk) 7541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 7551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 7561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 75738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!(android_atomic_or(CBLK_RESTORING_ON, &cblk->flags) & CBLK_RESTORING_MSK)) { 7585ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioRecord, creating a new one"); 7591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // signal old cblk condition so that other threads waiting for available buffers stop 7601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // waiting now 7611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->cv.broadcast(); 7621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 7631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // if the new IAudioRecord is created, openRecord_l() will modify the 7651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // following member variables: mAudioRecord, mCblkMemory and mCblk. 7661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // It will also delete the strong references on previous IAudioRecord and IMemory 7670d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi result = openRecord_l(cblk->sampleRate, mFormat, mChannelMask, 768a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten mFrameCount, getInput_l()); 7691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 770a011e35b22f95f558d81dc9c94b68b1465c4661dEric Laurent // callback thread or sync event hasn't changed 7713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten result = mAudioRecord->start(AudioSystem::SYNC_EVENT_SAME, 0); 7721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 7731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 7741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mActive = false; 7751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 7761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // signal old cblk condition for other threads waiting for restore completion 77838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_RESTORED_ON, &cblk->flags); 7791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->cv.broadcast(); 7801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } else { 7811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(cblk->flags & CBLK_RESTORED_MSK)) { 7825ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioRecord, waiting for a new one to be created"); 7831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 7841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(RESTORE_TIMEOUT_MS)); 7851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 7861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 7871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } else { 7885ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioRecord, already restored"); 7891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = NO_ERROR; 7901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 7911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 7921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR || mActive == 0) { 7931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = status_t(STOPPED); 7941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 7951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 7963856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("restoreRecord_l() status %d mActive %d cblk %p, old cblk %p flags %08x old flags %08x", 797e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten result, mActive, mCblk, cblk, mCblk->flags, cblk->flags); 7981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 8001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // from now on we switch to the newly created cblk 8011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk = mCblk; 8021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 8031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 8041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8055ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreRecord_l() error %d", result); 8061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 8071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 8081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 8091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 81089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 81189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioRecord::ClientRecordThread::ClientRecordThread(AudioRecord& receiver, bool bCanCallJava) 81389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : Thread(bCanCallJava), mReceiver(receiver) 81489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 81589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 81689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioRecord::ClientRecordThread::threadLoop() 81889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 81989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mReceiver.processAudioBuffer(this); 82089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 82189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8226dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kastenstatus_t AudioRecord::ClientRecordThread::readyToRun() 8236dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten{ 8246dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten AutoMutex(mReceiver.mLock); 8256dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten while (mReceiver.mReadyToRun == WOULD_BLOCK) { 8266dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten mReceiver.mCondition.wait(mReceiver.mLock); 8276dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten } 8286dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten return mReceiver.mReadyToRun; 8296dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten} 8306dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten 83189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 83289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 83389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 834