OpalRFC4175Decoder Class Reference

#include <rfc4175.h>

Inheritance diagram for OpalRFC4175Decoder:

Collaboration diagram for OpalRFC4175Decoder:

Public Member Functions
	OpalRFC4175Decoder (const OpalMediaFormat &inputMediaFormat, const OpalMediaFormat &outputMediaFormat)
	~OpalRFC4175Decoder ()
virtual PINDEX	PixelsToBytes (PINDEX pixels) const =0
virtual PINDEX	BytesToPixels (PINDEX pixels) const =0
bool	ConvertFrames (const RTP_DataFrame &input, RTP_DataFrameList &output)
Public Member Functions inherited from OpalRFC4175Transcoder
	OpalRFC4175Transcoder (const OpalMediaFormat &inputMediaFormat, const OpalMediaFormat &outputMediaFormat)
virtual PINDEX	GetPgroupSize () const =0
virtual PINDEX	GetColsPerPgroup () const =0
virtual PINDEX	GetRowsPerPgroup () const =0
PINDEX	RFC4175HeaderSize (PINDEX lines)
Public Member Functions inherited from OpalVideoTranscoder
	OpalVideoTranscoder (const OpalMediaFormat &inputMediaFormat, const OpalMediaFormat &outputMediaFormat)
virtual void	GetStatistics (OpalMediaStatistics &statistics) const
virtual bool	UpdateMediaFormats (const OpalMediaFormat &inputMediaFormat, const OpalMediaFormat &outputMediaFormat)
virtual PINDEX	GetOptimalDataFrameSize (PBoolean input) const
virtual PBoolean	ExecuteCommand (const OpalMediaCommand &command)
virtual PBoolean	Convert (const RTP_DataFrame &input, RTP_DataFrame &output)
virtual bool	HasErrorConcealment () const
virtual bool	ShouldDropFrame (RTP_Timestamp ts)
virtual void	UpdateFrameDrop (const RTP_DataFrameList &encoded)
bool	WasLastFrameIFrame () const
virtual void	SendIFrameRequest (unsigned sequenceNumber, unsigned timestamp)
virtual bool	HandleIFrameRequest ()
void	SetEncodingIntraFrameControlTimes (const PTimeInterval &minThrottle, const PTimeInterval &maxThrottle, const PTimeInterval &periodic, const PTimeInterval &retry)
void	SetDecodingIntraFrameControlTimes (const PTimeInterval &minThrottle, const PTimeInterval &maxThrottle, const PTimeInterval &periodic, const PTimeInterval &retry)
Public Member Functions inherited from OpalTranscoder
	OpalTranscoder (const OpalMediaFormat &inputMediaFormat, const OpalMediaFormat &outputMediaFormat)
PINDEX	GetMaxOutputSize () const
void	SetMaxOutputSize (PINDEX size)
void	SetCommandNotifier (const PNotifier &notifier)
const PNotifier &	GetCommandNotifier () const
void	NotifyCommand (const OpalMediaCommand &command) const
	Notify command notifier of command. More...
unsigned	GetSessionID () const
	Get session ID for the transcoder (from OpalMediaStream) More...
void	SetSessionID (unsigned id)
	Set session ID for the transcoder (from OpalMediaStream) More...
RTP_DataFrame::PayloadTypes	GetPayloadType (PBoolean input) const
virtual bool	AcceptComfortNoise () const
virtual bool	AcceptEmptyPayload () const
virtual bool	AcceptOtherPayloads () const
void	CopyTimestamp (RTP_DataFrame &dst, const RTP_DataFrame &src, bool inToOut) const
Public Member Functions inherited from OpalMediaFormatPair
	OpalMediaFormatPair (const OpalMediaFormat &inputMediaFormat, const OpalMediaFormat &outputMediaFormat)
void	PrintOn (ostream &strm) const
virtual Comparison	Compare (const PObject &obj) const
const OpalMediaFormat &	GetInputFormat () const
const OpalMediaFormat &	GetOutputFormat () const

Protected Member Functions
void	DecodeFramesAndSetFrameSize (RTP_DataFrameList &output)
virtual bool	DecodeFrames (RTP_DataFrameList &output)=0
Protected Member Functions inherited from OpalTranscoder
virtual bool	OnCreated (const OpalMediaFormat &srcFormat, const OpalMediaFormat &destFormat, const BYTE *instance, unsigned instanceLen)
	PDECLARE_MUTEX (updateMutex)

Protected Attributes
RTP_DataFrameList	m_inputFrames
std::vector< PINDEX >	m_scanlineCounts
PINDEX	m_frameWidth
PINDEX	m_frameHeight
bool	m_first
bool	m_missingPackets
PINDEX	m_maxWidth
PINDEX	m_maxHeight
DWORD	m_nextSequenceNumber
DWORD	m_lastTimeStamp
DWORD	m_timeStampOfFrame
DWORD	m_firstSequenceOfFrame
Protected Attributes inherited from OpalVideoTranscoder
PINDEX	m_inDataSize
PINDEX	m_outDataSize
bool	m_errorConcealment
bool	m_freezeTillIFrame
bool	m_frozenTillIFrame
bool	m_lastFrameWasIFrame
unsigned	m_frameDropRate
int	m_frameDropBits
RTP_Timestamp	m_lastTimestamp
unsigned	m_framesDropped
OpalIntraFrameControl	m_encodingIntraFrameControl
OpalIntraFrameControl	m_decodingIntraFrameControl
Protected Attributes inherited from OpalTranscoder
PINDEX	maxOutputSize
PNotifier	commandNotifier
unsigned	m_sessionID
bool	outputIsRTP
bool	inputIsRTP
bool	acceptEmptyPayload
bool	acceptOtherPayloads
unsigned	m_inClockRate
unsigned	m_outClockRate
RTP_DataFrame::PayloadTypes	m_lastPayloadType
unsigned	m_consecutivePayloadTypeMismatches
Protected Attributes inherited from OpalMediaFormatPair
OpalMediaFormat	inputMediaFormat
OpalMediaFormat	outputMediaFormat

Additional Inherited Members
Public Types inherited from OpalVideoTranscoder
typedef PluginCodec_Video_FrameHeader	FrameHeader
Static Public Member Functions inherited from OpalTranscoder
static OpalTranscoder *	Create (const OpalMediaFormat &srcFormat, const OpalMediaFormat &dstFormat, const BYTE *instance=NULL, unsigned instanceLen=0)
static bool	SelectFormats (const OpalMediaType &mediaType, const OpalMediaFormatList &srcFormats, const OpalMediaFormatList &dstFormats, const OpalMediaFormatList &masterFormats, OpalMediaFormat &srcFormat, OpalMediaFormat &dstFormat)
static bool	FindIntermediateFormat (const OpalMediaFormat &srcFormat, const OpalMediaFormat &dstFormat, OpalMediaFormat &intermediateFormat)
static OpalMediaFormatList	GetDestinationFormats (const OpalMediaFormat &srcFormat)
static OpalMediaFormatList	GetSourceFormats (const OpalMediaFormat &dstFormat)
static OpalMediaFormatList	GetPossibleFormats (const OpalMediaFormatList &formats)

Constructor & Destructor Documentation

OpalRFC4175Decoder::OpalRFC4175Decoder	(	const OpalMediaFormat &	inputMediaFormat,
		const OpalMediaFormat &	outputMediaFormat
	)

Parameters

inputMediaFormat	Input media format
outputMediaFormat	Output media format

OpalRFC4175Decoder::~OpalRFC4175Decoder

(

)

Member Function Documentation

virtual PINDEX OpalRFC4175Decoder::BytesToPixels ( PINDEX  pixels ) const

pure virtual

Implemented in Opal_RFC4175RGB_to_RGB24, and Opal_RFC4175YCbCr420_to_YUV420P.

bool OpalRFC4175Decoder::ConvertFrames ( const RTP_DataFrame &  input, RTP_DataFrameList &  output  )

virtual

Convert the data from one format to another. This function takes the input data as a RTP_DataFrame and converts it to its output format, placing it (possibly) into multiple RTP_DataFrame objects.

The default behaviour makes sure the output list has only one element in it and calls the Convert() function.

Returns false if the conversion fails.

Reimplemented from OpalTranscoder.

virtual bool OpalRFC4175Decoder::DecodeFrames ( RTP_DataFrameList &  output )

protectedpure virtual

Implemented in Opal_RFC4175RGB_to_RGB24, and Opal_RFC4175YCbCr420_to_YUV420P.

void OpalRFC4175Decoder::DecodeFramesAndSetFrameSize ( RTP_DataFrameList &  output )

protected

virtual PINDEX OpalRFC4175Decoder::PixelsToBytes ( PINDEX  pixels ) const

pure virtual

Implements OpalRFC4175Transcoder.

Implemented in Opal_RFC4175RGB_to_RGB24, and Opal_RFC4175YCbCr420_to_YUV420P.

Field Documentation

bool OpalRFC4175Decoder::m_first

protected

DWORD OpalRFC4175Decoder::m_firstSequenceOfFrame

protected

PINDEX OpalRFC4175Decoder::m_frameHeight

protected

PINDEX OpalRFC4175Decoder::m_frameWidth

protected

RTP_DataFrameList OpalRFC4175Decoder::m_inputFrames

protected

DWORD OpalRFC4175Decoder::m_lastTimeStamp

protected

PINDEX OpalRFC4175Decoder::m_maxHeight

protected

PINDEX OpalRFC4175Decoder::m_maxWidth

protected

bool OpalRFC4175Decoder::m_missingPackets

protected

DWORD OpalRFC4175Decoder::m_nextSequenceNumber

protected

std::vector<PINDEX> OpalRFC4175Decoder::m_scanlineCounts

protected

DWORD OpalRFC4175Decoder::m_timeStampOfFrame

protected

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

• rfc4175.h