#include <StreamTranscoder.hpp>

Public Member Functions
	StreamTranscoder (IInputStream &inputStream, IOutputFile &outputFile, const float offset=0)
	rewrap stream More...

	StreamTranscoder (IInputStream &inputStream, IOutputFile &outputFile, const ProfileLoader::Profile &profile, const int subStreamIndex=-1, const float offset=0)
	transcode stream More...

	StreamTranscoder (const ICodec &inputCodec, IOutputFile &outputFile, const ProfileLoader::Profile &profile)
	encode from a generated stream More...

	~StreamTranscoder ()

void	preProcessCodecLatency ()
	Pre-process codec latency. More...

bool	processFrame ()
	process a single frame for the current stream More...

float	getDuration () const
	Get the total duration (in seconds), ie. duration of the stream and the offset applies. More...

IDecoder *	getCurrentDecoder () const
	Returns a pointer to the current decoder (from input file or from generator) More...

IEncoder *	getEncoder () const
	Returns a pointer to the encoder. More...

ITransform *	getTransform () const
	Returns a pointer to the object which transforms the decoded data. More...

FilterGraph *	getFilterGraph () const
	Returns a pointer to the object which manage filtering. More...

IInputStream *	getInputStream () const
	Returns a pointer to the stream which unwraps data. More...

IOutputStream &	getOutputStream () const
	Returns a reference to the stream which wraps data. More...

bool	canSwitchToGenerator ()
	Returns if the stream has the ability to switch to a generator. More...

void	needToSwitchToGenerator (const bool needToSwitch=true)
	Set if the stream needs to switch to a generator when ended. More...

void	setOffset (const float offset)


void	switchToGeneratorDecoder ()

void	switchToInputDecoder ()

Private Member Functions
	StreamTranscoder (const StreamTranscoder &streamTranscoder)

StreamTranscoder &	operator= (const StreamTranscoder &streamTranscoder)

bool	processRewrap ()

bool	processTranscode (const int subStreamIndex=-1)
	By default transcode all channels. More...

Private Attributes
IInputStream *	_inputStream
	Input stream to read next packet (has link, no ownership) More...

IOutputStream *	_outputStream
	Output stream to wrap next packet (has link, no ownership) More...

Frame *	_sourceBuffer
	Has ownership. More...

Frame *	_frameBuffer
	Has ownership. More...

IDecoder *	_inputDecoder
	Decoder of packets read from _inputStream (has ownership) More...

IDecoder *	_generator
	Generator of audio or video packets (has ownership) More...

IDecoder *	_currentDecoder
	Link to _inputDecoder or _generator. More...

IEncoder *	_outputEncoder
	Encoder of packets which will be wrapped by _outputStream (has ownership) More...

ITransform *	_transform
	Video or audio transform (has ownership) More...

FilterGraph *	_filterGraph
	Filter graph (has ownership) More...

int	_subStreamIndex
	Index of channel that is processed from the input stream (<0 if no demultiplexing). More...

float	_offset
	Offset, in seconds, at the beginning of the StreamTranscoder. More...

bool	_needToSwitchToGenerator

enum	EProcessCase { eProcessCaseTranscode, eProcessCaseRewrap, eProcessCaseGenerator }

EProcessCase	getProcessCase () const

Detailed Description

Definition at line 21 of file StreamTranscoder.hpp.

Member Enumeration Documentation

enum avtranscoder::StreamTranscoder::EProcessCase

Enumerator
eProcessCaseTranscode
eProcessCaseRewrap
eProcessCaseGenerator

Definition at line 110 of file StreamTranscoder.hpp.

Constructor & Destructor Documentation

avtranscoder::StreamTranscoder::StreamTranscoder ( const StreamTranscoder & streamTranscoder )

private

avtranscoder::StreamTranscoder::StreamTranscoder	(	IInputStream &	inputStream,
		IOutputFile &	outputFile,
		const float	offset = `0`
	)

rewrap stream

Note: offset feature when rewrap a stream is not supported

Definition at line 23 of file StreamTranscoder.cpp.

References _filterGraph, _frameBuffer, _generator, _inputStream, _outputEncoder, _outputStream, _sourceBuffer, _transform, avtranscoder::IOutputFile::addAudioStream(), avtranscoder::IOutputFile::addDataStream(), avtranscoder::IOutputFile::addVideoStream(), avtranscoder::IInputStream::getAudioCodec(), avtranscoder::AudioCodec::getAudioFrameDesc(), avtranscoder::ICodec::getCodecName(), avtranscoder::IInputStream::getDataCodec(), avtranscoder::IInputStream::getProperties(), avtranscoder::IInputStream::getStreamIndex(), avtranscoder::StreamProperties::getStreamType(), avtranscoder::IInputStream::getVideoCodec(), avtranscoder::VideoCodec::getVideoFrameDesc(), LOG_WARN, setOffset(), avtranscoder::AudioEncoder::setupAudioEncoder(), and avtranscoder::VideoEncoder::setupVideoEncoder().

avtranscoder::StreamTranscoder::StreamTranscoder	(	IInputStream &	inputStream,
		IOutputFile &	outputFile,
		const ProfileLoader::Profile &	profile,
		const int	subStreamIndex = `-1`,
		const float	offset = `0`
	)

transcode stream

Definition at line 124 of file StreamTranscoder.cpp.

References _currentDecoder, _filterGraph, _frameBuffer, _generator, _inputDecoder, _inputStream, avtranscoder::AudioFrameDesc::_nbChannels, _outputEncoder, _outputStream, _sourceBuffer, _transform, avtranscoder::IOutputFile::addAudioStream(), avtranscoder::IOutputFile::addVideoStream(), avtranscoder::constants::avProfileCodec, avtranscoder::AudioEncoder::getAudioCodec(), avtranscoder::IInputStream::getAudioCodec(), avtranscoder::AudioCodec::getAudioFrameDesc(), avtranscoder::IInputStream::getProperties(), avtranscoder::StreamProperties::getStreamType(), avtranscoder::VideoEncoder::getVideoCodec(), avtranscoder::IInputStream::getVideoCodec(), avtranscoder::VideoCodec::getVideoFrameDesc(), setOffset(), avtranscoder::AudioFrameDesc::setParameters(), avtranscoder::VideoFrameDesc::setParameters(), avtranscoder::AudioEncoder::setupAudioEncoder(), and avtranscoder::VideoEncoder::setupVideoEncoder().

avtranscoder::StreamTranscoder::StreamTranscoder	(	const ICodec &	inputCodec,
		IOutputFile &	outputFile,
		const ProfileLoader::Profile &	profile
	)

encode from a generated stream

Note: offset feature has no sense here

Definition at line 229 of file StreamTranscoder.cpp.

References _currentDecoder, _filterGraph, _frameBuffer, _generator, _outputEncoder, _outputStream, _sourceBuffer, _transform, avtranscoder::IOutputFile::addAudioStream(), avtranscoder::IOutputFile::addVideoStream(), avtranscoder::constants::avProfileCodec, avtranscoder::constants::avProfileType, avtranscoder::constants::avProfileTypeAudio, avtranscoder::constants::avProfileTypeVideo, avtranscoder::AudioEncoder::getAudioCodec(), avtranscoder::AudioCodec::getAudioFrameDesc(), avtranscoder::VideoEncoder::getVideoCodec(), avtranscoder::VideoCodec::getVideoFrameDesc(), avtranscoder::AudioFrameDesc::setParameters(), avtranscoder::VideoFrameDesc::setParameters(), avtranscoder::AudioEncoder::setupAudioEncoder(), and avtranscoder::VideoEncoder::setupVideoEncoder().

avtranscoder::StreamTranscoder::~StreamTranscoder ( )

Definition at line 306 of file StreamTranscoder.cpp.

References _filterGraph, _frameBuffer, _generator, _inputDecoder, _outputEncoder, _sourceBuffer, and _transform.

Member Function Documentation

bool avtranscoder::StreamTranscoder::canSwitchToGenerator ( )

Returns if the stream has the ability to switch to a generator.

Definition at line 554 of file StreamTranscoder.cpp.

References _frameBuffer, _generator, _outputEncoder, _sourceBuffer, and _transform.

Referenced by needToSwitchToGenerator().

IDecoder* avtranscoder::StreamTranscoder::getCurrentDecoder ( ) const

inline

Returns a pointer to the current decoder (from input file or from generator)

Definition at line 75 of file StreamTranscoder.hpp.

float avtranscoder::StreamTranscoder::getDuration ( ) const

Get the total duration (in seconds), ie. duration of the stream and the offset applies.

Note: if it's a generated stream, return limit of double.; if offset > duration of the stream, return 0

Definition at line 535 of file StreamTranscoder.cpp.

References _inputStream, _offset, avtranscoder::StreamProperties::getDuration(), avtranscoder::IInputStream::getProperties(), and LOG_WARN.

Referenced by needToSwitchToGenerator().

IEncoder* avtranscoder::StreamTranscoder::getEncoder ( ) const

inline

Returns a pointer to the encoder.

Definition at line 77 of file StreamTranscoder.hpp.

FilterGraph* avtranscoder::StreamTranscoder::getFilterGraph ( ) const

inline

Returns a pointer to the object which manage filtering.

Definition at line 83 of file StreamTranscoder.hpp.

IInputStream* avtranscoder::StreamTranscoder::getInputStream ( ) const

inline

Returns a pointer to the stream which unwraps data.

Definition at line 86 of file StreamTranscoder.hpp.

IOutputStream& avtranscoder::StreamTranscoder::getOutputStream ( ) const

inline

Returns a reference to the stream which wraps data.

Definition at line 88 of file StreamTranscoder.hpp.

StreamTranscoder::EProcessCase avtranscoder::StreamTranscoder::getProcessCase ( ) const

Definition at line 581 of file StreamTranscoder.cpp.

References _currentDecoder, _inputDecoder, _inputStream, eProcessCaseGenerator, eProcessCaseRewrap, and eProcessCaseTranscode.

Referenced by preProcessCodecLatency(), and processFrame().

ITransform* avtranscoder::StreamTranscoder::getTransform ( ) const

inline

Returns a pointer to the object which transforms the decoded data.

Definition at line 80 of file StreamTranscoder.hpp.

void avtranscoder::StreamTranscoder::needToSwitchToGenerator ( const bool needToSwitch = true )

Set if the stream needs to switch to a generator when ended.

Note: Throws a runtime_error exception if the stream cannot switch to a generator

See also: canSwitchToGenerator

Definition at line 561 of file StreamTranscoder.cpp.

References _inputStream, _needToSwitchToGenerator, canSwitchToGenerator(), getDuration(), avtranscoder::IInputStream::getStreamIndex(), and LOG_WARN.

Referenced by setOffset().

StreamTranscoder& avtranscoder::StreamTranscoder::operator= ( const StreamTranscoder & streamTranscoder )

private

void avtranscoder::StreamTranscoder::preProcessCodecLatency ( )

Pre-process codec latency.

Note: This can be called several times with no side effects.; Can take a little bit of time.

Definition at line 317 of file StreamTranscoder.cpp.

References _currentDecoder, _inputStream, _outputEncoder, eProcessCaseGenerator, eProcessCaseRewrap, avtranscoder::IEncoder::getCodec(), avtranscoder::ICodec::getLatency(), getProcessCase(), avtranscoder::IInputStream::getStreamIndex(), LOG_DEBUG, LOG_WARN, processFrame(), and switchToGeneratorDecoder().

bool avtranscoder::StreamTranscoder::processFrame ( )

process a single frame for the current stream

Returns: the process status result

Definition at line 356 of file StreamTranscoder.cpp.

References _currentDecoder, _generator, _inputStream, _offset, _outputStream, _subStreamIndex, eProcessCaseGenerator, eProcessCaseRewrap, eProcessCaseTranscode, avtranscoder::StreamProperties::getDuration(), getProcessCase(), avtranscoder::IInputStream::getProperties(), avtranscoder::IOutputStream::getStreamDuration(), LOG_DEBUG, LOG_INFO, processRewrap(), processTranscode(), switchToGeneratorDecoder(), and switchToInputDecoder().

Referenced by preProcessCodecLatency(), processRewrap(), and processTranscode().

bool avtranscoder::StreamTranscoder::processRewrap ( )

private

Definition at line 419 of file StreamTranscoder.cpp.

References _currentDecoder, _generator, _inputDecoder, _inputStream, _needToSwitchToGenerator, _outputStream, avtranscoder::IOutputStream::eWrappingError, avtranscoder::IOutputStream::eWrappingSuccess, avtranscoder::IOutputStream::eWrappingWaitingForData, LOG_DEBUG, processFrame(), processTranscode(), avtranscoder::IInputStream::readNextPacket(), switchToGeneratorDecoder(), and avtranscoder::IOutputStream::wrap().

Referenced by processFrame().

bool avtranscoder::StreamTranscoder::processTranscode ( const int subStreamIndex = -1 )

private

By default transcode all channels.

Definition at line 459 of file StreamTranscoder.cpp.

References _currentDecoder, _filterGraph, _frameBuffer, _needToSwitchToGenerator, _outputEncoder, _outputStream, _sourceBuffer, _transform, avtranscoder::ITransform::convert(), avtranscoder::IDecoder::decodeNextFrame(), avtranscoder::IEncoder::encodeFrame(), avtranscoder::IOutputStream::eWrappingError, avtranscoder::IOutputStream::eWrappingSuccess, avtranscoder::IOutputStream::eWrappingWaitingForData, avtranscoder::CodedData::getSize(), LOG_DEBUG, avtranscoder::FilterGraph::process(), processFrame(), switchToGeneratorDecoder(), and avtranscoder::IOutputStream::wrap().

Referenced by processFrame(), and processRewrap().

void avtranscoder::StreamTranscoder::setOffset ( const float offset )

Note: Throws a runtime_error exception if it's a positive offset and the stream cannot switch to a generator

See also: needToSwitchToGenerator

Definition at line 574 of file StreamTranscoder.cpp.

References _offset, and needToSwitchToGenerator().

Referenced by StreamTranscoder().

void avtranscoder::StreamTranscoder::switchToGeneratorDecoder ( )

Switch decoder

Definition at line 519 of file StreamTranscoder.cpp.

References _currentDecoder, _generator, and LOG_INFO.

Referenced by preProcessCodecLatency(), processFrame(), processRewrap(), and processTranscode().

void avtranscoder::StreamTranscoder::switchToInputDecoder ( )

Definition at line 527 of file StreamTranscoder.cpp.

References _currentDecoder, _inputDecoder, and LOG_INFO.

Referenced by processFrame().

Field Documentation

IDecoder* avtranscoder::StreamTranscoder::_currentDecoder

private

Link to _inputDecoder or _generator.

Definition at line 132 of file StreamTranscoder.hpp.

Referenced by getProcessCase(), preProcessCodecLatency(), processFrame(), processRewrap(), processTranscode(), StreamTranscoder(), switchToGeneratorDecoder(), and switchToInputDecoder().

FilterGraph* avtranscoder::StreamTranscoder::_filterGraph

private

Filter graph (has ownership)

Definition at line 137 of file StreamTranscoder.hpp.

Referenced by processTranscode(), StreamTranscoder(), and ~StreamTranscoder().

Frame* avtranscoder::StreamTranscoder::_frameBuffer

private

Has ownership.

Definition at line 128 of file StreamTranscoder.hpp.

Referenced by canSwitchToGenerator(), processTranscode(), StreamTranscoder(), and ~StreamTranscoder().

IDecoder* avtranscoder::StreamTranscoder::_generator

private

Generator of audio or video packets (has ownership)

Definition at line 131 of file StreamTranscoder.hpp.

Referenced by canSwitchToGenerator(), processFrame(), processRewrap(), StreamTranscoder(), switchToGeneratorDecoder(), and ~StreamTranscoder().

IDecoder* avtranscoder::StreamTranscoder::_inputDecoder

private

Decoder of packets read from _inputStream (has ownership)

Definition at line 130 of file StreamTranscoder.hpp.

Referenced by getProcessCase(), processRewrap(), StreamTranscoder(), switchToInputDecoder(), and ~StreamTranscoder().

IInputStream* avtranscoder::StreamTranscoder::_inputStream

private

Input stream to read next packet (has link, no ownership)

Definition at line 124 of file StreamTranscoder.hpp.

Referenced by getDuration(), getProcessCase(), needToSwitchToGenerator(), preProcessCodecLatency(), processFrame(), processRewrap(), and StreamTranscoder().

bool avtranscoder::StreamTranscoder::_needToSwitchToGenerator

private

Set if need to switch to a generator during the process (because, of other streams

Definition at line 143 of file StreamTranscoder.hpp.

Referenced by needToSwitchToGenerator(), processRewrap(), and processTranscode().

float avtranscoder::StreamTranscoder::_offset

private

Offset, in seconds, at the beginning of the StreamTranscoder.

Definition at line 141 of file StreamTranscoder.hpp.

Referenced by getDuration(), processFrame(), and setOffset().

IEncoder* avtranscoder::StreamTranscoder::_outputEncoder

private

Encoder of packets which will be wrapped by _outputStream (has ownership)

Definition at line 133 of file StreamTranscoder.hpp.

Referenced by canSwitchToGenerator(), preProcessCodecLatency(), processTranscode(), StreamTranscoder(), and ~StreamTranscoder().

IOutputStream* avtranscoder::StreamTranscoder::_outputStream

private

Output stream to wrap next packet (has link, no ownership)

Definition at line 125 of file StreamTranscoder.hpp.

Referenced by processFrame(), processRewrap(), processTranscode(), and StreamTranscoder().

Frame* avtranscoder::StreamTranscoder::_sourceBuffer

private

Has ownership.

Definition at line 127 of file StreamTranscoder.hpp.

Referenced by canSwitchToGenerator(), processTranscode(), StreamTranscoder(), and ~StreamTranscoder().

int avtranscoder::StreamTranscoder::_subStreamIndex

private

Index of channel that is processed from the input stream (<0 if no demultiplexing).

Definition at line 139 of file StreamTranscoder.hpp.

Referenced by processFrame().

ITransform* avtranscoder::StreamTranscoder::_transform

private

Video or audio transform (has ownership)

Definition at line 135 of file StreamTranscoder.hpp.

Referenced by canSwitchToGenerator(), processTranscode(), StreamTranscoder(), and ~StreamTranscoder().

The documentation for this class was generated from the following files:

/datas/cnt/workspace/avTranscoder/src/AvTranscoder/transcoder/StreamTranscoder.hpp
/datas/cnt/workspace/avTranscoder/src/AvTranscoder/transcoder/StreamTranscoder.cpp

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation