dirac::FrameCompressor Class Reference

Compress a single image frame. More...

#include <frame_compress.h>

List of all members.

Public Member Functions
	FrameCompressor (EncoderParams &encp)
	Constructor.
	~FrameCompressor ()
	Destructor.
void	Compress (FrameBuffer &fbuffer, const FrameBuffer &orig_buffer, int fnum)
	Compress a specific frame within a group of pictures (GOP).
bool	IsSkipped ()
	Returns true if the frame has been skipped rather than coded normally.
bool	IsMEDataAvail () const
	Returns true if Motion estimation data is available.
const MEData *	GetMEData () const
	Returns the motion estimation data.

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Detailed Description

Compress a single image frame.

This class compresses a single frame at a time, using parameters supplied at its construction. FrameCompressor is used by SequenceCompressor.

Definition at line 58 of file frame_compress.h.

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Constructor & Destructor Documentation

FrameCompressor::FrameCompressor (  EncoderParams &  encp  )

Constructor. Creates a FrameEncoder with specific set of parameters the control the compression process. It encodes motion data before encoding each component of the frame. Parameters: encp  encoder parameters Definition at line 57 of file frame_compress.cpp.

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Member Function Documentation

void FrameCompressor::Compress (  FrameBuffer &  fbuffer, const FrameBuffer &  orig_buffer, int  fnum )

Compress a specific frame within a group of pictures (GOP). Compresses a specified frame within a group of pictures. Parameters: fbuffer  picture buffer in which the frame resides orig_buffer  the corresponding picture buffer of uncoded originals fnum  frame number to compress Definition at line 74 of file frame_compress.cpp. References dirac::EncoderParams::BitsOut(), dirac::FrameParams::CFormat(), dirac::Frame::Clip(), dirac::MotionCompensator::CompensateFrame(), dirac::CompCompressor::Compress(), dirac::ArithCodec< T >::Compress(), dirac::UnitOutputManager::Data(), dirac::FrameParams::ExpiryTime(), dirac::FrameParams::FrameNum(), dirac::SequenceOutputManager::FrameOutput(), dirac::FrameParams::FSort(), dirac::FrameBuffer::GetComponent(), dirac::Frame::GetFparams(), dirac::FrameBuffer::GetFrame(), dirac::GolombCode(), dirac::UnitOutputManager::Header(), dirac::IFRAME_START_CODE, dirac::MvDataCodec::InitContexts(), dirac::L1FRAME_START_CODE, dirac::L2FRAME_START_CODE, dirac::FrameOutputManager::MVOutput(), dirac::BasicOutputManager::OutputBit(), dirac::BasicOutputManager::OutputBytes(), dirac::FrameParams::Refs(), dirac::Frame::SetFrameSort(), dirac::START_CODE_PREFIX_BYTE0, dirac::START_CODE_PREFIX_BYTE1, dirac::START_CODE_PREFIX_BYTE2, dirac::START_CODE_PREFIX_BYTE3, dirac::UnsignedGolombCode(), dirac::CodecParams::XNumMB(), and dirac::CodecParams::YNumMB(). Referenced by dirac::SequenceCompressor::CompressNextFrame().

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

• C:/guliverkli/src/filters/parser/diracsplitter/libdirac/libdirac_encoder/frame_compress.h
• C:/guliverkli/src/filters/parser/diracsplitter/libdirac/libdirac_encoder/frame_compress.cpp

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