diff options
Diffstat (limited to 'webrtc/modules/media_file/source/media_file_impl.cc')
| -rw-r--r-- | webrtc/modules/media_file/source/media_file_impl.cc | 1137 |
1 files changed, 0 insertions, 1137 deletions
diff --git a/webrtc/modules/media_file/source/media_file_impl.cc b/webrtc/modules/media_file/source/media_file_impl.cc deleted file mode 100644 index 50175b86d5..0000000000 --- a/webrtc/modules/media_file/source/media_file_impl.cc +++ /dev/null @@ -1,1137 +0,0 @@ -/* - * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. - * - * Use of this source code is governed by a BSD-style license - * that can be found in the LICENSE file in the root of the source - * tree. An additional intellectual property rights grant can be found - * in the file PATENTS. All contributing project authors may - * be found in the AUTHORS file in the root of the source tree. - */ - -#include <assert.h> - -#include "webrtc/base/format_macros.h" -#include "webrtc/modules/media_file/source/media_file_impl.h" -#include "webrtc/system_wrappers/include/critical_section_wrapper.h" -#include "webrtc/system_wrappers/include/file_wrapper.h" -#include "webrtc/system_wrappers/include/tick_util.h" -#include "webrtc/system_wrappers/include/trace.h" - -namespace webrtc { -MediaFile* MediaFile::CreateMediaFile(const int32_t id) -{ - return new MediaFileImpl(id); -} - -void MediaFile::DestroyMediaFile(MediaFile* module) -{ - delete static_cast<MediaFileImpl*>(module); -} - -MediaFileImpl::MediaFileImpl(const int32_t id) - : _id(id), - _crit(CriticalSectionWrapper::CreateCriticalSection()), - _callbackCrit(CriticalSectionWrapper::CreateCriticalSection()), - _ptrFileUtilityObj(NULL), - codec_info_(), - _ptrInStream(NULL), - _ptrOutStream(NULL), - _fileFormat((FileFormats)-1), - _recordDurationMs(0), - _playoutPositionMs(0), - _notificationMs(0), - _playingActive(false), - _recordingActive(false), - _isStereo(false), - _openFile(false), - _fileName(), - _ptrCallback(NULL) -{ - WEBRTC_TRACE(kTraceMemory, kTraceFile, id, "Created"); - - codec_info_.plname[0] = '\0'; - _fileName[0] = '\0'; -} - - -MediaFileImpl::~MediaFileImpl() -{ - WEBRTC_TRACE(kTraceMemory, kTraceFile, _id, "~MediaFileImpl()"); - { - CriticalSectionScoped lock(_crit); - - if(_playingActive) - { - StopPlaying(); - } - - if(_recordingActive) - { - StopRecording(); - } - - delete _ptrFileUtilityObj; - - if(_openFile) - { - delete _ptrInStream; - _ptrInStream = NULL; - delete _ptrOutStream; - _ptrOutStream = NULL; - } - } - - delete _crit; - delete _callbackCrit; -} - -int64_t MediaFileImpl::TimeUntilNextProcess() -{ - WEBRTC_TRACE( - kTraceWarning, - kTraceFile, - _id, - "TimeUntilNextProcess: This method is not used by MediaFile class."); - return -1; -} - -int32_t MediaFileImpl::Process() -{ - WEBRTC_TRACE(kTraceWarning, kTraceFile, _id, - "Process: This method is not used by MediaFile class."); - return -1; -} - -int32_t MediaFileImpl::PlayoutAudioData(int8_t* buffer, - size_t& dataLengthInBytes) -{ - WEBRTC_TRACE(kTraceStream, kTraceFile, _id, - "MediaFileImpl::PlayoutData(buffer= 0x%x, bufLen= %" PRIuS ")", - buffer, dataLengthInBytes); - - const size_t bufferLengthInBytes = dataLengthInBytes; - dataLengthInBytes = 0; - - if(buffer == NULL || bufferLengthInBytes == 0) - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Buffer pointer or length is NULL!"); - return -1; - } - - int32_t bytesRead = 0; - { - CriticalSectionScoped lock(_crit); - - if(!_playingActive) - { - WEBRTC_TRACE(kTraceWarning, kTraceFile, _id, - "Not currently playing!"); - return -1; - } - - if(!_ptrFileUtilityObj) - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Playing, but no FileUtility object!"); - StopPlaying(); - return -1; - } - - switch(_fileFormat) - { - case kFileFormatPcm32kHzFile: - case kFileFormatPcm16kHzFile: - case kFileFormatPcm8kHzFile: - bytesRead = _ptrFileUtilityObj->ReadPCMData( - *_ptrInStream, - buffer, - bufferLengthInBytes); - break; - case kFileFormatCompressedFile: - bytesRead = _ptrFileUtilityObj->ReadCompressedData( - *_ptrInStream, - buffer, - bufferLengthInBytes); - break; - case kFileFormatWavFile: - bytesRead = _ptrFileUtilityObj->ReadWavDataAsMono( - *_ptrInStream, - buffer, - bufferLengthInBytes); - break; - case kFileFormatPreencodedFile: - bytesRead = _ptrFileUtilityObj->ReadPreEncodedData( - *_ptrInStream, - buffer, - bufferLengthInBytes); - if(bytesRead > 0) - { - dataLengthInBytes = static_cast<size_t>(bytesRead); - return 0; - } - break; - default: - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Invalid file format: %d", _fileFormat); - assert(false); - break; - } - } - - if( bytesRead > 0) - { - dataLengthInBytes = static_cast<size_t>(bytesRead); - } - } - HandlePlayCallbacks(bytesRead); - return 0; -} - -void MediaFileImpl::HandlePlayCallbacks(int32_t bytesRead) -{ - bool playEnded = false; - uint32_t callbackNotifyMs = 0; - - if(bytesRead > 0) - { - // Check if it's time for PlayNotification(..). - _playoutPositionMs = _ptrFileUtilityObj->PlayoutPositionMs(); - if(_notificationMs) - { - if(_playoutPositionMs >= _notificationMs) - { - _notificationMs = 0; - callbackNotifyMs = _playoutPositionMs; - } - } - } - else - { - // If no bytes were read assume end of file. - StopPlaying(); - playEnded = true; - } - - // Only _callbackCrit may and should be taken when making callbacks. - CriticalSectionScoped lock(_callbackCrit); - if(_ptrCallback) - { - if(callbackNotifyMs) - { - _ptrCallback->PlayNotification(_id, callbackNotifyMs); - } - if(playEnded) - { - _ptrCallback->PlayFileEnded(_id); - } - } -} - -int32_t MediaFileImpl::PlayoutStereoData( - int8_t* bufferLeft, - int8_t* bufferRight, - size_t& dataLengthInBytes) -{ - WEBRTC_TRACE(kTraceStream, kTraceFile, _id, - "MediaFileImpl::PlayoutStereoData(Left = 0x%x, Right = 0x%x," - " Len= %" PRIuS ")", - bufferLeft, - bufferRight, - dataLengthInBytes); - - const size_t bufferLengthInBytes = dataLengthInBytes; - dataLengthInBytes = 0; - - if(bufferLeft == NULL || bufferRight == NULL || bufferLengthInBytes == 0) - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "A buffer pointer or the length is NULL!"); - return -1; - } - - bool playEnded = false; - uint32_t callbackNotifyMs = 0; - { - CriticalSectionScoped lock(_crit); - - if(!_playingActive || !_isStereo) - { - WEBRTC_TRACE(kTraceWarning, kTraceFile, _id, - "Not currently playing stereo!"); - return -1; - } - - if(!_ptrFileUtilityObj) - { - WEBRTC_TRACE( - kTraceError, - kTraceFile, - _id, - "Playing stereo, but the FileUtility objects is NULL!"); - StopPlaying(); - return -1; - } - - // Stereo playout only supported for WAV files. - int32_t bytesRead = 0; - switch(_fileFormat) - { - case kFileFormatWavFile: - bytesRead = _ptrFileUtilityObj->ReadWavDataAsStereo( - *_ptrInStream, - bufferLeft, - bufferRight, - bufferLengthInBytes); - break; - default: - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Trying to read non-WAV as stereo audio\ - (not supported)"); - break; - } - - if(bytesRead > 0) - { - dataLengthInBytes = static_cast<size_t>(bytesRead); - - // Check if it's time for PlayNotification(..). - _playoutPositionMs = _ptrFileUtilityObj->PlayoutPositionMs(); - if(_notificationMs) - { - if(_playoutPositionMs >= _notificationMs) - { - _notificationMs = 0; - callbackNotifyMs = _playoutPositionMs; - } - } - } - else - { - // If no bytes were read assume end of file. - StopPlaying(); - playEnded = true; - } - } - - CriticalSectionScoped lock(_callbackCrit); - if(_ptrCallback) - { - if(callbackNotifyMs) - { - _ptrCallback->PlayNotification(_id, callbackNotifyMs); - } - if(playEnded) - { - _ptrCallback->PlayFileEnded(_id); - } - } - return 0; -} - -int32_t MediaFileImpl::StartPlayingAudioFile( - const char* fileName, - const uint32_t notificationTimeMs, - const bool loop, - const FileFormats format, - const CodecInst* codecInst, - const uint32_t startPointMs, - const uint32_t stopPointMs) -{ - if(!ValidFileName(fileName)) - { - return -1; - } - if(!ValidFileFormat(format,codecInst)) - { - return -1; - } - if(!ValidFilePositions(startPointMs,stopPointMs)) - { - return -1; - } - - // Check that the file will play longer than notificationTimeMs ms. - if((startPointMs && stopPointMs && !loop) && - (notificationTimeMs > (stopPointMs - startPointMs))) - { - WEBRTC_TRACE( - kTraceError, - kTraceFile, - _id, - "specified notification time is longer than amount of ms that will\ - be played"); - return -1; - } - - FileWrapper* inputStream = FileWrapper::Create(); - if(inputStream == NULL) - { - WEBRTC_TRACE(kTraceMemory, kTraceFile, _id, - "Failed to allocate input stream for file %s", fileName); - return -1; - } - - if(inputStream->OpenFile(fileName, true, loop) != 0) - { - delete inputStream; - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Could not open input file %s", fileName); - return -1; - } - - if(StartPlayingStream(*inputStream, loop, notificationTimeMs, - format, codecInst, startPointMs, stopPointMs) == -1) - { - inputStream->CloseFile(); - delete inputStream; - return -1; - } - - CriticalSectionScoped lock(_crit); - _openFile = true; - strncpy(_fileName, fileName, sizeof(_fileName)); - _fileName[sizeof(_fileName) - 1] = '\0'; - return 0; -} - -int32_t MediaFileImpl::StartPlayingAudioStream( - InStream& stream, - const uint32_t notificationTimeMs, - const FileFormats format, - const CodecInst* codecInst, - const uint32_t startPointMs, - const uint32_t stopPointMs) -{ - return StartPlayingStream(stream, false, notificationTimeMs, format, - codecInst, startPointMs, stopPointMs); -} - -int32_t MediaFileImpl::StartPlayingStream( - InStream& stream, - bool loop, - const uint32_t notificationTimeMs, - const FileFormats format, - const CodecInst* codecInst, - const uint32_t startPointMs, - const uint32_t stopPointMs) -{ - if(!ValidFileFormat(format,codecInst)) - { - return -1; - } - - if(!ValidFilePositions(startPointMs,stopPointMs)) - { - return -1; - } - - CriticalSectionScoped lock(_crit); - if(_playingActive || _recordingActive) - { - WEBRTC_TRACE( - kTraceError, - kTraceFile, - _id, - "StartPlaying called, but already playing or recording file %s", - (_fileName[0] == '\0') ? "(name not set)" : _fileName); - return -1; - } - - if(_ptrFileUtilityObj != NULL) - { - WEBRTC_TRACE(kTraceError, - kTraceFile, - _id, - "StartPlaying called, but FileUtilityObj already exists!"); - StopPlaying(); - return -1; - } - - _ptrFileUtilityObj = new ModuleFileUtility(_id); - if(_ptrFileUtilityObj == NULL) - { - WEBRTC_TRACE(kTraceMemory, kTraceFile, _id, - "Failed to create FileUtilityObj!"); - return -1; - } - - switch(format) - { - case kFileFormatWavFile: - { - if(_ptrFileUtilityObj->InitWavReading(stream, startPointMs, - stopPointMs) == -1) - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Not a valid WAV file!"); - StopPlaying(); - return -1; - } - _fileFormat = kFileFormatWavFile; - break; - } - case kFileFormatCompressedFile: - { - if(_ptrFileUtilityObj->InitCompressedReading(stream, startPointMs, - stopPointMs) == -1) - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Not a valid Compressed file!"); - StopPlaying(); - return -1; - } - _fileFormat = kFileFormatCompressedFile; - break; - } - case kFileFormatPcm8kHzFile: - case kFileFormatPcm16kHzFile: - case kFileFormatPcm32kHzFile: - { - // ValidFileFormat() called in the beginneing of this function - // prevents codecInst from being NULL here. - assert(codecInst != NULL); - if(!ValidFrequency(codecInst->plfreq) || - _ptrFileUtilityObj->InitPCMReading(stream, startPointMs, - stopPointMs, - codecInst->plfreq) == -1) - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Not a valid raw 8 or 16 KHz PCM file!"); - StopPlaying(); - return -1; - } - - _fileFormat = format; - break; - } - case kFileFormatPreencodedFile: - { - // ValidFileFormat() called in the beginneing of this function - // prevents codecInst from being NULL here. - assert(codecInst != NULL); - if(_ptrFileUtilityObj->InitPreEncodedReading(stream, *codecInst) == - -1) - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Not a valid PreEncoded file!"); - StopPlaying(); - return -1; - } - - _fileFormat = kFileFormatPreencodedFile; - break; - } - default: - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Invalid file format: %d", format); - assert(false); - break; - } - } - if(_ptrFileUtilityObj->codec_info(codec_info_) == -1) - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Failed to retrieve codec info!"); - StopPlaying(); - return -1; - } - - _isStereo = (codec_info_.channels == 2); - if(_isStereo && (_fileFormat != kFileFormatWavFile)) - { - WEBRTC_TRACE(kTraceWarning, kTraceFile, _id, - "Stereo is only allowed for WAV files"); - StopPlaying(); - return -1; - } - _playingActive = true; - _playoutPositionMs = _ptrFileUtilityObj->PlayoutPositionMs(); - _ptrInStream = &stream; - _notificationMs = notificationTimeMs; - - return 0; -} - -int32_t MediaFileImpl::StopPlaying() -{ - - CriticalSectionScoped lock(_crit); - _isStereo = false; - if(_ptrFileUtilityObj) - { - delete _ptrFileUtilityObj; - _ptrFileUtilityObj = NULL; - } - if(_ptrInStream) - { - // If MediaFileImpl opened the InStream it must be reclaimed here. - if(_openFile) - { - delete _ptrInStream; - _openFile = false; - } - _ptrInStream = NULL; - } - - codec_info_.pltype = 0; - codec_info_.plname[0] = '\0'; - - if(!_playingActive) - { - WEBRTC_TRACE(kTraceWarning, kTraceFile, _id, - "playing is not active!"); - return -1; - } - - _playingActive = false; - return 0; -} - -bool MediaFileImpl::IsPlaying() -{ - WEBRTC_TRACE(kTraceStream, kTraceFile, _id, "MediaFileImpl::IsPlaying()"); - CriticalSectionScoped lock(_crit); - return _playingActive; -} - -int32_t MediaFileImpl::IncomingAudioData( - const int8_t* buffer, - const size_t bufferLengthInBytes) -{ - WEBRTC_TRACE(kTraceStream, kTraceFile, _id, - "MediaFile::IncomingData(buffer= 0x%x, bufLen= %" PRIuS, - buffer, bufferLengthInBytes); - - if(buffer == NULL || bufferLengthInBytes == 0) - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Buffer pointer or length is NULL!"); - return -1; - } - - bool recordingEnded = false; - uint32_t callbackNotifyMs = 0; - { - CriticalSectionScoped lock(_crit); - - if(!_recordingActive) - { - WEBRTC_TRACE(kTraceWarning, kTraceFile, _id, - "Not currently recording!"); - return -1; - } - if(_ptrOutStream == NULL) - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Recording is active, but output stream is NULL!"); - assert(false); - return -1; - } - - int32_t bytesWritten = 0; - uint32_t samplesWritten = codec_info_.pacsize; - if(_ptrFileUtilityObj) - { - switch(_fileFormat) - { - case kFileFormatPcm8kHzFile: - case kFileFormatPcm16kHzFile: - case kFileFormatPcm32kHzFile: - bytesWritten = _ptrFileUtilityObj->WritePCMData( - *_ptrOutStream, - buffer, - bufferLengthInBytes); - - // Sample size is 2 bytes. - if(bytesWritten > 0) - { - samplesWritten = bytesWritten/sizeof(int16_t); - } - break; - case kFileFormatCompressedFile: - bytesWritten = _ptrFileUtilityObj->WriteCompressedData( - *_ptrOutStream, buffer, bufferLengthInBytes); - break; - case kFileFormatWavFile: - bytesWritten = _ptrFileUtilityObj->WriteWavData( - *_ptrOutStream, - buffer, - bufferLengthInBytes); - if(bytesWritten > 0 && STR_NCASE_CMP(codec_info_.plname, - "L16", 4) == 0) - { - // Sample size is 2 bytes. - samplesWritten = bytesWritten/sizeof(int16_t); - } - break; - case kFileFormatPreencodedFile: - bytesWritten = _ptrFileUtilityObj->WritePreEncodedData( - *_ptrOutStream, buffer, bufferLengthInBytes); - break; - default: - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Invalid file format: %d", _fileFormat); - assert(false); - break; - } - } else { - // TODO (hellner): quick look at the code makes me think that this - // code is never executed. Remove? - if(_ptrOutStream) - { - if(_ptrOutStream->Write(buffer, bufferLengthInBytes)) - { - bytesWritten = static_cast<int32_t>(bufferLengthInBytes); - } - } - } - - _recordDurationMs += samplesWritten / (codec_info_.plfreq / 1000); - - // Check if it's time for RecordNotification(..). - if(_notificationMs) - { - if(_recordDurationMs >= _notificationMs) - { - _notificationMs = 0; - callbackNotifyMs = _recordDurationMs; - } - } - if(bytesWritten < (int32_t)bufferLengthInBytes) - { - WEBRTC_TRACE(kTraceWarning, kTraceFile, _id, - "Failed to write all requested bytes!"); - StopRecording(); - recordingEnded = true; - } - } - - // Only _callbackCrit may and should be taken when making callbacks. - CriticalSectionScoped lock(_callbackCrit); - if(_ptrCallback) - { - if(callbackNotifyMs) - { - _ptrCallback->RecordNotification(_id, callbackNotifyMs); - } - if(recordingEnded) - { - _ptrCallback->RecordFileEnded(_id); - return -1; - } - } - return 0; -} - -int32_t MediaFileImpl::StartRecordingAudioFile( - const char* fileName, - const FileFormats format, - const CodecInst& codecInst, - const uint32_t notificationTimeMs, - const uint32_t maxSizeBytes) -{ - if(!ValidFileName(fileName)) - { - return -1; - } - if(!ValidFileFormat(format,&codecInst)) - { - return -1; - } - - FileWrapper* outputStream = FileWrapper::Create(); - if(outputStream == NULL) - { - WEBRTC_TRACE(kTraceMemory, kTraceFile, _id, - "Failed to allocate memory for output stream"); - return -1; - } - - if(outputStream->OpenFile(fileName, false) != 0) - { - delete outputStream; - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Could not open output file '%s' for writing!", - fileName); - return -1; - } - - if(maxSizeBytes) - { - outputStream->SetMaxFileSize(maxSizeBytes); - } - - if(StartRecordingAudioStream(*outputStream, format, codecInst, - notificationTimeMs) == -1) - { - outputStream->CloseFile(); - delete outputStream; - return -1; - } - - CriticalSectionScoped lock(_crit); - _openFile = true; - strncpy(_fileName, fileName, sizeof(_fileName)); - _fileName[sizeof(_fileName) - 1] = '\0'; - return 0; -} - -int32_t MediaFileImpl::StartRecordingAudioStream( - OutStream& stream, - const FileFormats format, - const CodecInst& codecInst, - const uint32_t notificationTimeMs) -{ - // Check codec info - if(!ValidFileFormat(format,&codecInst)) - { - return -1; - } - - CriticalSectionScoped lock(_crit); - if(_recordingActive || _playingActive) - { - WEBRTC_TRACE( - kTraceError, - kTraceFile, - _id, - "StartRecording called, but already recording or playing file %s!", - _fileName); - return -1; - } - - if(_ptrFileUtilityObj != NULL) - { - WEBRTC_TRACE( - kTraceError, - kTraceFile, - _id, - "StartRecording called, but fileUtilityObj already exists!"); - StopRecording(); - return -1; - } - - _ptrFileUtilityObj = new ModuleFileUtility(_id); - if(_ptrFileUtilityObj == NULL) - { - WEBRTC_TRACE(kTraceMemory, kTraceFile, _id, - "Cannot allocate fileUtilityObj!"); - return -1; - } - - CodecInst tmpAudioCodec; - memcpy(&tmpAudioCodec, &codecInst, sizeof(CodecInst)); - switch(format) - { - case kFileFormatWavFile: - { - if(_ptrFileUtilityObj->InitWavWriting(stream, codecInst) == -1) - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Failed to initialize WAV file!"); - delete _ptrFileUtilityObj; - _ptrFileUtilityObj = NULL; - return -1; - } - _fileFormat = kFileFormatWavFile; - break; - } - case kFileFormatCompressedFile: - { - // Write compression codec name at beginning of file - if(_ptrFileUtilityObj->InitCompressedWriting(stream, codecInst) == - -1) - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Failed to initialize Compressed file!"); - delete _ptrFileUtilityObj; - _ptrFileUtilityObj = NULL; - return -1; - } - _fileFormat = kFileFormatCompressedFile; - break; - } - case kFileFormatPcm8kHzFile: - case kFileFormatPcm16kHzFile: - { - if(!ValidFrequency(codecInst.plfreq) || - _ptrFileUtilityObj->InitPCMWriting(stream, codecInst.plfreq) == - -1) - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Failed to initialize 8 or 16KHz PCM file!"); - delete _ptrFileUtilityObj; - _ptrFileUtilityObj = NULL; - return -1; - } - _fileFormat = format; - break; - } - case kFileFormatPreencodedFile: - { - if(_ptrFileUtilityObj->InitPreEncodedWriting(stream, codecInst) == - -1) - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Failed to initialize Pre-Encoded file!"); - delete _ptrFileUtilityObj; - _ptrFileUtilityObj = NULL; - return -1; - } - - _fileFormat = kFileFormatPreencodedFile; - break; - } - default: - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Invalid file format %d specified!", format); - delete _ptrFileUtilityObj; - _ptrFileUtilityObj = NULL; - return -1; - } - } - _isStereo = (tmpAudioCodec.channels == 2); - if(_isStereo) - { - if(_fileFormat != kFileFormatWavFile) - { - WEBRTC_TRACE(kTraceWarning, kTraceFile, _id, - "Stereo is only allowed for WAV files"); - StopRecording(); - return -1; - } - if((STR_NCASE_CMP(tmpAudioCodec.plname, "L16", 4) != 0) && - (STR_NCASE_CMP(tmpAudioCodec.plname, "PCMU", 5) != 0) && - (STR_NCASE_CMP(tmpAudioCodec.plname, "PCMA", 5) != 0)) - { - WEBRTC_TRACE( - kTraceWarning, - kTraceFile, - _id, - "Stereo is only allowed for codec PCMU, PCMA and L16 "); - StopRecording(); - return -1; - } - } - memcpy(&codec_info_, &tmpAudioCodec, sizeof(CodecInst)); - _recordingActive = true; - _ptrOutStream = &stream; - _notificationMs = notificationTimeMs; - _recordDurationMs = 0; - return 0; -} - -int32_t MediaFileImpl::StopRecording() -{ - - CriticalSectionScoped lock(_crit); - if(!_recordingActive) - { - WEBRTC_TRACE(kTraceWarning, kTraceFile, _id, - "recording is not active!"); - return -1; - } - - _isStereo = false; - - if(_ptrFileUtilityObj != NULL) - { - // Both AVI and WAV header has to be updated before closing the stream - // because they contain size information. - if((_fileFormat == kFileFormatWavFile) && - (_ptrOutStream != NULL)) - { - _ptrFileUtilityObj->UpdateWavHeader(*_ptrOutStream); - } - delete _ptrFileUtilityObj; - _ptrFileUtilityObj = NULL; - } - - if(_ptrOutStream != NULL) - { - // If MediaFileImpl opened the OutStream it must be reclaimed here. - if(_openFile) - { - delete _ptrOutStream; - _openFile = false; - } - _ptrOutStream = NULL; - } - - _recordingActive = false; - codec_info_.pltype = 0; - codec_info_.plname[0] = '\0'; - - return 0; -} - -bool MediaFileImpl::IsRecording() -{ - WEBRTC_TRACE(kTraceStream, kTraceFile, _id, "MediaFileImpl::IsRecording()"); - CriticalSectionScoped lock(_crit); - return _recordingActive; -} - -int32_t MediaFileImpl::RecordDurationMs(uint32_t& durationMs) -{ - - CriticalSectionScoped lock(_crit); - if(!_recordingActive) - { - durationMs = 0; - return -1; - } - durationMs = _recordDurationMs; - return 0; -} - -bool MediaFileImpl::IsStereo() -{ - WEBRTC_TRACE(kTraceStream, kTraceFile, _id, "MediaFileImpl::IsStereo()"); - CriticalSectionScoped lock(_crit); - return _isStereo; -} - -int32_t MediaFileImpl::SetModuleFileCallback(FileCallback* callback) -{ - - CriticalSectionScoped lock(_callbackCrit); - - _ptrCallback = callback; - return 0; -} - -int32_t MediaFileImpl::FileDurationMs(const char* fileName, - uint32_t& durationMs, - const FileFormats format, - const uint32_t freqInHz) -{ - - if(!ValidFileName(fileName)) - { - return -1; - } - if(!ValidFrequency(freqInHz)) - { - return -1; - } - - ModuleFileUtility* utilityObj = new ModuleFileUtility(_id); - if(utilityObj == NULL) - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "failed to allocate utility object!"); - return -1; - } - - const int32_t duration = utilityObj->FileDurationMs(fileName, format, - freqInHz); - delete utilityObj; - if(duration == -1) - { - durationMs = 0; - return -1; - } - - durationMs = duration; - return 0; -} - -int32_t MediaFileImpl::PlayoutPositionMs(uint32_t& positionMs) const -{ - CriticalSectionScoped lock(_crit); - if(!_playingActive) - { - positionMs = 0; - return -1; - } - positionMs = _playoutPositionMs; - return 0; -} - -int32_t MediaFileImpl::codec_info(CodecInst& codecInst) const -{ - CriticalSectionScoped lock(_crit); - if(!_playingActive && !_recordingActive) - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "Neither playout nor recording has been initialized!"); - return -1; - } - if (codec_info_.pltype == 0 && codec_info_.plname[0] == '\0') - { - WEBRTC_TRACE(kTraceError, kTraceFile, _id, - "The CodecInst for %s is unknown!", - _playingActive ? "Playback" : "Recording"); - return -1; - } - memcpy(&codecInst,&codec_info_,sizeof(CodecInst)); - return 0; -} - -bool MediaFileImpl::ValidFileFormat(const FileFormats format, - const CodecInst* codecInst) -{ - if(codecInst == NULL) - { - if(format == kFileFormatPreencodedFile || - format == kFileFormatPcm8kHzFile || - format == kFileFormatPcm16kHzFile || - format == kFileFormatPcm32kHzFile) - { - WEBRTC_TRACE(kTraceError, kTraceFile, -1, - "Codec info required for file format specified!"); - return false; - } - } - return true; -} - -bool MediaFileImpl::ValidFileName(const char* fileName) -{ - if((fileName == NULL) ||(fileName[0] == '\0')) - { - WEBRTC_TRACE(kTraceError, kTraceFile, -1, "FileName not specified!"); - return false; - } - return true; -} - - -bool MediaFileImpl::ValidFilePositions(const uint32_t startPointMs, - const uint32_t stopPointMs) -{ - if(startPointMs == 0 && stopPointMs == 0) // Default values - { - return true; - } - if(stopPointMs &&(startPointMs >= stopPointMs)) - { - WEBRTC_TRACE(kTraceError, kTraceFile, -1, - "startPointMs must be less than stopPointMs!"); - return false; - } - if(stopPointMs &&((stopPointMs - startPointMs) < 20)) - { - WEBRTC_TRACE(kTraceError, kTraceFile, -1, - "minimum play duration for files is 20 ms!"); - return false; - } - return true; -} - -bool MediaFileImpl::ValidFrequency(const uint32_t frequency) -{ - if((frequency == 8000) || (frequency == 16000)|| (frequency == 32000)) - { - return true; - } - WEBRTC_TRACE(kTraceError, kTraceFile, -1, - "Frequency should be 8000, 16000 or 32000 (Hz)"); - return false; -} -} // namespace webrtc |