Dirac - A Video Codec

Created by the British Broadcasting Corporation.

dirac Namespace Reference

Definition of class AccessUnitByteIO. More...

Classes

class AccessUnitByteIO
A random access point within a Dirac bytestream. More...
class ByteIO
Class ByteIO - top-level class for reading/writing bytes to a stream. More...
class ComponentByteIO
Frame component in Dirac bytestream format. More...
class DiracByteStats
Class DiracByteStats - for collecting statistics on aspects of the Dirac byte-stream. More...
class DiracByteStream
Represents a series of bytes in the Dirac bytestream specfication format. More...
class DisplayParamsByteIO
Represents compressed display-parameter data contained in an AccessUnit. More...
class EndOfSequenceByteIO
Signals the end of a sequence in a Dirac-formatted bitstream. More...
class FrameByteIO
A compressed frame in Dirac bytestream format. More...
class MvDataByteIO
Represents compressed sequence-parameter data used in an AccessUnit. More...
class ParseParamsByteIO
Represents compressed parse-parameter data used in an AccessUnit. More...
class ParseUnitByteIO
Represents a collection of data in a Dirac bytestream that can be parsed as a self-contained unit. More...
class SeqParamsByteIO
Represents compressed sequence-parameter data used in an AccessUnit. More...
class SubbandByteIO
Subband Dirac-bytestream input/output. More...
class TransformByteIO
Represents compressed sequence-parameter data used in an AccessUnit. More...
class ContextLookupTable
Lookup Table Class (for Arithmetic Coding Contexts). More...
class Context
class ArithCodecBase
class ArithCodec
Abstract binary arithmetic coding class. More...
class Range
Range type. More...
class OneDArray
A template class for one-dimensional arrays. More...
class TwoDArray
A template class for two-dimensional arrays. More...
class BandCodec
A general class for coding and decoding wavelet subband data. More...
class LFBandCodec
A class specially for coding the LF subbands. More...
class IntraDCBandCodec
A class specially for coding the DC subband of Intra frames. More...
class CommandLine
class FrameSort
Frame type Class. More...
class PicArray
A class for picture component data. More...
class CostType
A structure for recording costs, particularly in quantisation. More...
class EntropyCorrector
A class used for correcting estimates of entropy. More...
class OLBParams
Parameters for overlapped block motion compensation. More...
class SeqParams
Parameters relating to the video sequence being encoded/decoded. More...
class Rational
Class defining a rational number. More...
class ParseParams
Parameters relating to the complexity of encoder/decoder. More...
class SourceParams
Parameters relating to the source material being encoded/decoded. More...
class FrameParams
Parameters for initialising frame class objects. More...
class CodeBlocks
Structure to hold code block sizes when spatial partitioning is used. More...
class CodecParams
Parameters common to coder and decoder operation. More...
class EncoderParams
Parameters for the encoding process. More...
class DecoderParams
Parameters for the decoding process. More...
class QuantiserLists
Class for encapsulating quantiser data. More...
class DiracException
DiracException is the class which should be used for all exceptions within Dirac. More...
class Frame
A class for encapsulating all the data relating to a frame. More...
class FrameBuffer
Holds frames both for reference and to overcome reordering delay. More...
class MotionCompensator
Abstract Motion compensator class. More...
class MotionCompensator_Pixel
Pixel precision Motion compensator class. More...
class MotionCompensator_HalfPixel
Half Pixel precision Motion compensator class. More...
class MotionCompensator_QuarterPixel
Quarter Pixel precision Motion compensator class. More...
class MotionCompensator_EighthPixel
Eighth Pixel precision Motion compensator class. More...
class MotionVector
Motion vector class - just a pair. More...
class MvCostData
Class for recording costs derived in motion estimation. More...
class MvData
Class for all the motion vector data. More...
class MEData
Class for all the motion estimation data. More...
class MvDataCodec
Codes and decodes all the Motion Vector data. More...
class StreamPicOutput
Class for outputting pictures. More...
class MemoryStreamOutput
class FileStreamOutput
class StreamPicInput
Picture input class. More...
class MemoryStreamInput
class FileStreamInput
Picture input class. More...
class UpConverter
Upconversion class. More...
class CodeBlock
Class for encapsulating metadata concerning a block of coefficients in a subband. More...
class Subband
Class encapsulating all the metadata relating to a wavelet subband. More...
class SubbandList
A class encapulating all the subbands produced by a transform. More...
class WaveletTransform
A class to do wavelet transforms. More...
class CompCompressor
Compress a frame component. More...
class FrameCompressor
Compress a single image frame. More...
class QualityMonitor
Class to monitor the quality of pictures and adjust coding parameters appropriately. More...
class QuantChooser
Choose a quantiser. More...
class FrameComplexity
class RateController
A clas for allocation the bits to each and every types of frames in a GOP. More...
class SequenceCompressor
Compresses a sequence of frames from a stream. More...
class CompDecompressor
Compress a frame component. More...
class InputStreamBuffer
Input Stream Buffer Class. More...
class DiracParser
Dirac Stream Parser Class. More...
class FrameDecompressor
Compress a single image frame. More...
class SequenceDecompressor
Decompresses a sequence of frames from a stream. More...
class BlockMatcher
Class to do block matching. More...
class DownConverter
A class for fast downconversion of picture data. More...
class ModeDecider
Decides between macroblock and block prediction modes. More...
class SubpelRefine
The SubpelRefine class takes pixel-accurate motion vectors and refines them to 1/8-pixel accuracy. More...
class BlockDiffParams
A class encapsulating parameters for calculating a block difference value (a single instance of matching). More...
class BlockDiff
An abstract class for doing block difference calculations. More...
class PelBlockDiff
A class for doing block differences to pixel accuracy, inherited from BlockDiff. More...
class IntraBlockDiff
A class for calculating the difference between a block and its DC value (average). More...
class BiBlockDiff
A virtual class for bi-directional differences. More...
class BlockDiffUp
A virtual class for doing differences with sub-pixel vectors. More...
class BlockDiffHalfPel
A class for doing differences with half-pixel accurate vectors. More...
class BlockDiffQuarterPel
A class for doing differences with quarter-pixel accurate vectors. More...
class BlockDiffEighthPel
A class for doing differences with eighth-pixel accurate vectors. More...
class BiBlockHalfPel
A class for computing a bidirection difference for half-pel vectors. More...
class BiBlockQuarterPel
A class for computing a bidirection difference for quarter-pel vectors. More...
class BiBlockEighthPel
A class for computing a bidirection difference for eighth-pel vectors. More...
class MotionEstimator
Class to handle the whole motion estimation process. More...
class PixelMatcher

Typedefs

typedef short ValueType
typedef int CalcValueType
typedef MotionVector< int > MVector
MVector class is a vector of ints.
typedef MotionVector< int > ImageCoords
ImageCoords class is a vector of ints.
typedef TwoDArray< MVector > MvArray
MvArray is a two-D array of MVectors.
typedef TwoDArray< MotionVector<
float > > MvFloatArray
An array of float-based motion vectors for doing global motion calcs.
typedef std::vector< std::vector<
MVector > > CandidateList

Enumerations

enum StatType {
STAT_TOTAL_BYTE_COUNT = 0, STAT_MV_BYTE_COUNT, STAT_YCOMP_BYTE_COUNT, STAT_UCOMP_BYTE_COUNT,
STAT_VCOMP_BYTE_COUNT
}
enum ParseUnitType { PU_ACCESS_UNIT = 0, PU_FRAME, PU_END_OF_SEQUENCE, PU_UNDEFINED }
enum PredMode {
INTRA, REF1_ONLY, REF2_ONLY, REF1AND2,
UNDEFINED
}
Prediction modes for blocks. More...
enum CompSort { Y_COMP, U_COMP, V_COMP }
Types of picture component. More...
enum AddOrSub { ADD, SUBTRACT }
Addition or subtraction. More...
enum Direction { FORWARD, BACKWARD }
Forward or backward. More...
enum CtxAliases {
  SIGN0_CTX, SIGN_POS_CTX, SIGN_NEG_CTX, Z_FBIN1z_CTX,
  Z_FBIN1nz_CTX, Z_FBIN2_CTX, Z_FBIN3_CTX, Z_FBIN4_CTX,
  Z_FBIN5_CTX, Z_FBIN6plus_CTX, NZ_FBIN1z_CTX, NZ_FBIN1nz_CTX,
  NZ_FBIN2_CTX, NZ_FBIN3_CTX, NZ_FBIN4_CTX, NZ_FBIN5_CTX,
  NZ_FBIN6plus_CTX, INFO_CTX, BLOCK_SKIP_CTX, Q_OFFSET_FOLLOW_CTX,
  Q_OFFSET_INFO_CTX, Q_OFFSET_SIGN_CTX, TOTAL_COEFF_CTXS
}
Contexts used for coefficient coding. More...
enum MvCtxAliases {
  YDC_FBIN1_CTX, YDC_FBIN2plus_CTX, YDC_INFO_CTX, YDC_SIGN_CTX,
  UDC_FBIN1_CTX, UDC_FBIN2plus_CTX, UDC_INFO_CTX, UDC_SIGN_CTX,
  VDC_FBIN1_CTX, VDC_FBIN2plus_CTX, VDC_INFO_CTX, VDC_SIGN_CTX,
  REF1x_FBIN1_CTX, REF1x_FBIN2_CTX, REF1x_FBIN3_CTX, REF1x_FBIN4_CTX,
  REF1x_FBIN5plus_CTX, REF1x_INFO_CTX, REF1x_SIGN_CTX, REF1y_FBIN1_CTX,
  REF1y_FBIN2_CTX, REF1y_FBIN3_CTX, REF1y_FBIN4_CTX, REF1y_FBIN5plus_CTX,
  REF1y_INFO_CTX, REF1y_SIGN_CTX, REF2x_FBIN1_CTX, REF2x_FBIN2_CTX,
  REF2x_FBIN3_CTX, REF2x_FBIN4_CTX, REF2x_FBIN5plus_CTX, REF2x_INFO_CTX,
  REF2x_SIGN_CTX, REF2y_FBIN1_CTX, REF2y_FBIN2_CTX, REF2y_FBIN3_CTX,
  REF2y_FBIN4_CTX, REF2y_FBIN5plus_CTX, REF2y_INFO_CTX, REF2y_SIGN_CTX,
  PMODE_BIT0_CTX, PMODE_BIT1_CTX, MB_SPLIT_BIN1_CTX, MB_SPLIT_BIN2_CTX,
  MB_SPLIT_INFO_CTX, TOTAL_MV_CTXS
}
Contexts used for MV data coding. More...
enum DiracErrorCode {
  ERR_UNSUPPORTED_STREAM_DATA = 0, ERR_END_OF_STREAM, ERR_INVALID_VIDEO_FORMAT, ERR_INVALID_CHROMA_FORMAT,
  ERR_INVALID_FRAME_RATE, ERR_INVALID_SIGNAL_RANGE, ERR_INVALID_ASPECT_RATIO, ERR_INVALID_VIDEO_DEPTH,
  ERR_INVALID_MOTION_VECTOR_PRECISION
}
Enumeration of Dirac-defined error codes. More...
enum DiracSeverityCode {
SEVERITY_NO_ERROR = 0, SEVERITY_WARNING, SEVERITY_FRAME_ERROR, SEVERITY_ACCESSUNIT_ERROR,
SEVERITY_SEQUENCE_ERROR, SEVERITY_TERMINATE
}
Error-severity states. More...

Functions

template<class T> std::ostream & operator<< (std::ostream &stream, TwoDArray< T > &array)
A function for extracting array data.
template<class T> std::istream & operator>> (std::istream &stream, TwoDArray< T > &array)
A function for inserting array data.
VideoFormat IntToVideoFormat (int video_format)
Function to convert an integer to a valid VideoFormat.
ChromaFormat IntToChromaFormat (int chroma_format)
Function to convert an integer to a valid VideoFormat.
FrameRateType IntToFrameRateType (int frame_rate_idx)
Function to convert an integer to a valid FrameRate type.
AspectRatioType IntToAspectRatioType (int aspect_ratio_idx)
Function to convert an integer to a valid AspectRatio type.
SignalRangeType IntToSignalRangeType (int signal_range_idx)
Function to convert an integer to a valid SignalRange type.
MVPrecisionType IntToMVPrecisionType (int mv_prec)
Function to convert an integer to a valid motion-vector precision type.
ValueType BChk (const ValueType &num, const ValueType &max)
A simple bounds checking function, very useful in a number of places.
void dirac_assert (const char *p_fname, int line_number, const char *p_mess)
void dirac_report (const char *p_fname, int line_number, const char *p_mess)
std::ostream & operator<< (std::ostream &dst, const DiracException &exception)
template<class T> std::ostream & operator<< (std::ostream &stream, MotionVector< T > &mv)
Overloaded operator<< for MotionVector class for output to stream.
template<class T> std::istream & operator>> (std::istream &stream, MotionVector< T > &mv)
Overloaded operator>> for MotionVector class for input from stream.
MVector MvMedian (const MVector &mv1, const MVector &mv2, const MVector &mv3)
Return the median of three motion vectors.
MVector MvMedian (const std::vector< MVector > &vect_list)
Return the median of a set of motion vectors.
MVector MvMean (const MVector &mv1, const MVector &mv2)
Return the mean of two motion vectors.
int Norm2 (const MVector &mv)
Return the squared length of a motion vector.
int Norm1 (const MVector &mv)
Return the sum of the lengths of a motion vector's componets.
unsigned int GetUMean (std::vector< unsigned int > &values)
Return the mean of a set of unsigned integer values.
int GetSMean (std::vector< int > &values)
Return the mean of a set of signed integer values.
void SetDefaultCodecParameters (CodecParams &cparams, FrameType ftype, unsigned int num_refs)
Sets default codec parameters - common to encoder and decoder.
void SetDefaultEncoderParameters (EncoderParams &encparams)
Sets default encoder parameters.
void SetDefaultSourceParameters (const VideoFormat &vf, SourceParams &sparams)
Sets default Source parameters.
void SetDefaultSequenceParameters (SeqParams &sparams)
Sets default sequence parameters.
void SetDefaultBlockParameters (OLBParams &bparams, const VideoFormat &video_format)
Sets default block parameters.
void SetDefaultBlockParameters (OLBParams &bparams, int pidx)
Sets default block parameters.
unsigned int BlockParametersIndex (const OLBParams &bparams)
Returns index of block parameters in Defaults table.
void SetDefaultTransformFilter (FrameType ftype, WltFilter &wf)
Sets the default Transform filter depending on frame type.
void AddNewVlist (CandidateList &vect_list, const MVector &mv, const int xr, const int yr)
Add a new motion vector list of neighbours of a vector to the set of lists.
void AddNewVlist (CandidateList &vect_list, const MVector &mv, const int xr, const int yr, const int step)
Add a new motion vector list to the set of lists for sub-pixel matching.
void AddNewVlistD (CandidateList &vect_list, const MVector &mv, const int xr, const int yr)
Add a new motion vector list of diagnonal neighbours of a vector to the set of lists.
void AddVect (CandidateList &vect_list, const MVector &mv, const int list_num)
Add a motion vector to the set of motion vector lists.
ValueType GetVar (const MVector &mv1, const MVector &mv2)
Get the (absolute) variation between two motion vectors.
ValueType GetVar (const std::vector< MVector > &pred_list, const MVector &mv)
Get the (absolute) variation between a motion vector and a list of motion vectors.

Typedef Documentation

typedef int dirac::CalcValueType

typedef std::vector< std::vector< MVector > > dirac::CandidateList

typedef MotionVector<int> dirac::ImageCoords

typedef TwoDArray<MVector> dirac::MvArray

typedef MotionVector<int> dirac::MVector

typedef TwoDArray< MotionVector<float> > dirac::MvFloatArray

typedef short dirac::ValueType

Enumeration Type Documentation

enum dirac::AddOrSub

Enumerator:

ADD

SUBTRACT

enum dirac::CompSort

Enumerator:

Y_COMP

U_COMP

V_COMP

enum dirac::CtxAliases

Enumerator:

SIGN0_CTX

SIGN_POS_CTX

SIGN_NEG_CTX

Z_FBIN1z_CTX

Z_FBIN1nz_CTX

Z_FBIN2_CTX

Z_FBIN3_CTX

Z_FBIN4_CTX

Z_FBIN5_CTX

Z_FBIN6plus_CTX

NZ_FBIN1z_CTX

NZ_FBIN1nz_CTX

NZ_FBIN2_CTX

NZ_FBIN3_CTX

NZ_FBIN4_CTX

NZ_FBIN5_CTX

NZ_FBIN6plus_CTX

INFO_CTX

BLOCK_SKIP_CTX

Q_OFFSET_FOLLOW_CTX

Q_OFFSET_INFO_CTX

Q_OFFSET_SIGN_CTX

TOTAL_COEFF_CTXS

enum dirac::DiracErrorCode

Enumerator:

ERR_UNSUPPORTED_STREAM_DATA

ERR_END_OF_STREAM

ERR_INVALID_VIDEO_FORMAT

ERR_INVALID_CHROMA_FORMAT

ERR_INVALID_FRAME_RATE

ERR_INVALID_SIGNAL_RANGE

ERR_INVALID_ASPECT_RATIO

ERR_INVALID_VIDEO_DEPTH

ERR_INVALID_MOTION_VECTOR_PRECISION

enum dirac::DiracSeverityCode

Enumerator:

SEVERITY_NO_ERROR

SEVERITY_WARNING

SEVERITY_FRAME_ERROR

SEVERITY_ACCESSUNIT_ERROR

SEVERITY_SEQUENCE_ERROR

SEVERITY_TERMINATE

enum dirac::Direction

Enumerator:

FORWARD

BACKWARD

enum dirac::MvCtxAliases

Enumerator:

YDC_FBIN1_CTX

YDC_FBIN2plus_CTX

YDC_INFO_CTX

YDC_SIGN_CTX

UDC_FBIN1_CTX

UDC_FBIN2plus_CTX

UDC_INFO_CTX

UDC_SIGN_CTX

VDC_FBIN1_CTX

VDC_FBIN2plus_CTX

VDC_INFO_CTX

VDC_SIGN_CTX

REF1x_FBIN1_CTX

REF1x_FBIN2_CTX

REF1x_FBIN3_CTX

REF1x_FBIN4_CTX

REF1x_FBIN5plus_CTX

REF1x_INFO_CTX

REF1x_SIGN_CTX

REF1y_FBIN1_CTX

REF1y_FBIN2_CTX

REF1y_FBIN3_CTX

REF1y_FBIN4_CTX

REF1y_FBIN5plus_CTX

REF1y_INFO_CTX

REF1y_SIGN_CTX

REF2x_FBIN1_CTX

REF2x_FBIN2_CTX

REF2x_FBIN3_CTX

REF2x_FBIN4_CTX

REF2x_FBIN5plus_CTX

REF2x_INFO_CTX

REF2x_SIGN_CTX

REF2y_FBIN1_CTX

REF2y_FBIN2_CTX

REF2y_FBIN3_CTX

REF2y_FBIN4_CTX

REF2y_FBIN5plus_CTX

REF2y_INFO_CTX

REF2y_SIGN_CTX

PMODE_BIT0_CTX

PMODE_BIT1_CTX

MB_SPLIT_BIN1_CTX

MB_SPLIT_BIN2_CTX

MB_SPLIT_INFO_CTX

TOTAL_MV_CTXS

enum dirac::ParseUnitType

Enumerator:

PU_ACCESS_UNIT

PU_FRAME

PU_END_OF_SEQUENCE

PU_UNDEFINED

enum dirac::PredMode

Enumerator:

INTRA

REF1_ONLY

REF2_ONLY

REF1AND2

UNDEFINED

enum dirac::StatType

Enumerator:

STAT_TOTAL_BYTE_COUNT

STAT_MV_BYTE_COUNT

STAT_YCOMP_BYTE_COUNT

STAT_UCOMP_BYTE_COUNT

STAT_VCOMP_BYTE_COUNT

Function Documentation

void dirac::AddNewVlist ( CandidateList & vect_list,

const MVector & mv,

const int xr,

const int yr,

const int step

)

void dirac::AddNewVlist ( CandidateList & vect_list,

const MVector & mv,

const int xr,

const int yr

)

void dirac::AddNewVlistD ( CandidateList & vect_list,

const MVector & mv,

const int xr,

const int yr

)

void dirac::AddVect ( CandidateList & vect_list,

const MVector & mv,

const int list_num

)

Add a motion vector to the set of motion vector lists, making sure it's not a duplicate.

ValueType dirac::BChk ( const ValueType & num,

const ValueType & max

) [inline]

unsigned int dirac::BlockParametersIndex ( const OLBParams & bparams )

Parameters:

bparams Params object for getting index

void dirac::dirac_assert ( const char * p_fname,

int line_number,

const char * p_mess

)

Print a message to standard error and abort if in debug mode

void dirac::dirac_report ( const char * p_fname,

int line_number,

const char * p_mess

)

Print a message to standard error

int dirac::GetSMean ( std::vector< int > & values )

unsigned int dirac::GetUMean ( std::vector< unsigned int > & values )

ValueType dirac::GetVar ( const std::vector< MVector > & pred_list,

const MVector & mv

)

Return the variation between a motion vector and a list of motion vectos, computed as the sum of absolute differences between the components of the vector and the median vector produced by the list of vectors

ValueType dirac::GetVar ( const MVector & mv1,

const MVector & mv2

)

Return the variation between two motion vectors, computed as the sum of absolute differences of their components.

AspectRatioType dirac::IntToAspectRatioType ( int aspect_ratio_idx )

Parameters:

aspect_ratio_idx Integer corresponding to a aspect-ratio in the spec table

Returns:
Valid AspectRatioType (returns ASPECT_RATIO_UNDEFINED if no valid aspect-ratio found)

ChromaFormat dirac::IntToChromaFormat ( int chroma_format )

Parameters:

chroma_format Integer corresponding to a format

Returns:
Valid chroma-format (returns formatNK if no valid format found)

FrameRateType dirac::IntToFrameRateType ( int frame_rate_idx )

Parameters:

frame_rate_idx Integer corresponding to a frame-rate in the spec table

Returns:
Valid FrameRateType (returns FRAMERATE_UNDEFINED if no valid frame-rate found)

MVPrecisionType dirac::IntToMVPrecisionType ( int mv_prec )

Parameters:

mv_prec Integer corresponding to a valid motion-vector precision

Returns:
Valid MVPrecisionType (returns SIGNAL_RANGE_UNDEFINED if no valid precision found)

SignalRangeType dirac::IntToSignalRangeType ( int signal_range_idx )

Parameters:

signal_range_idx Integer corresponding to a signal-range in the spec table

Returns:
Valid SignalRangeType (returns SIGNAL_RANGE_UNDEFINED if no valid signal-ratio found)

VideoFormat dirac::IntToVideoFormat ( int video_format )

Parameters:

video_format Integer corresponding to a format

Returns:
Valid video-format (returns VIDEO_FORMAT_UNDEFINED if no valid format found)

MVector dirac::MvMean ( const MVector & mv1,

const MVector & mv2

)

MVector dirac::MvMedian ( const std::vector< MVector > & vect_list )

MVector dirac::MvMedian ( const MVector & mv1,

const MVector & mv2,

const MVector & mv3

)

int dirac::Norm1 ( const MVector & mv ) [inline]

int dirac::Norm2 ( const MVector & mv ) [inline]

template<class T>

std::ostream& dirac::operator<< ( std::ostream & stream,

MotionVector< T > & mv

)

std::ostream& dirac::operator<< ( std::ostream & dst,

const DiracException & exception

)

template<class T>

std::ostream& dirac::operator<< ( std::ostream & stream,

TwoDArray< T > & array

)

template<class T>

std::istream& dirac::operator>> ( std::istream & stream,

MotionVector< T > & mv

)

template<class T>

std::istream& dirac::operator>> ( std::istream & stream,

TwoDArray< T > & array

)

void dirac::SetDefaultBlockParameters ( OLBParams & bparams,

int pidx

)

Parameters:

bparams Params object for setting defaults

pidx Index into Block Parameters table

void dirac::SetDefaultBlockParameters ( OLBParams & bparams,

const VideoFormat & video_format

)

Parameters:

bparams Params object for setting defaults

video_format Video format

void dirac::SetDefaultCodecParameters ( CodecParams & cparams,

FrameType ftype,

unsigned int num_refs

)

Parameters:

cparams Codec Params objects for setting defaults

ftype Frame type i,e, INTRA or INTER

num_refs Number of reference frames

void dirac::SetDefaultEncoderParameters ( EncoderParams & encparams )

Parameters:

encparams Params objects for setting defaults

void dirac::SetDefaultSequenceParameters ( SeqParams & sparams )

Parameters:

sparams Params object for setting defaults

void dirac::SetDefaultSourceParameters ( const VideoFormat & vf,

SourceParams & sparams

)

Parameters:

vf Video Format

sparams Params object for setting defaults

void dirac::SetDefaultTransformFilter ( FrameType ftype,

WltFilter & wf

)

Parameters:

ftype Frame type i.e. intra or inter

wf WltFilter object for getting the default wavelet filter

© 2004 British Broadcasting Corporation. Dirac code licensed under the Mozilla Public License (MPL) Version 1.1.
HTML documentation generated by Dimitri van Heesch's excellent Doxygen tool.