q_matrix.h File Reference

Headerfile for q_matrix array. More...

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Data Structures
struct	scaling_list
Functions
void	Init_QMatrix (ImageParameters *p_Img, InputParameters *p_Inp)
void	CalculateQuant4x4Param (ImageParameters *p_Img)
void	CalculateQuant8x8Param (ImageParameters *p_Img)
void	free_QMatrix (QuantParameters *p_Quant)

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Detailed Description

Headerfile for q_matrix array.

q_matrix.h

Date:

07. Apr 2004

Definition in file q_matrix.h.

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Function Documentation

void CalculateQuant4x4Param

(

ImageParameters *

p_Img

)

For calculating the quantisation values at frame level.

Input:

none

Output:

none

Definition at line 578 of file q_matrix.c.

Referenced by code_a_plane().

void CalculateQuant8x8Param

(

ImageParameters *

p_Img

)

Calculate the quantisation and inverse quantisation parameters.

Definition at line 734 of file q_matrix.c.

Referenced by code_a_plane().

void free_QMatrix

(

QuantParameters *

p_Quant

)

Free Q matrix arrays.

Definition at line 523 of file q_matrix.c.

References free_mem5Dquant().

Referenced by free_global_buffers().

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void Init_QMatrix	(	ImageParameters *	p_Img,
		InputParameters *	p_Inp
	)

Initialise Q matrix values.

Definition at line 539 of file q_matrix.c.

References allocate_QMatrix(), errortext, GetConfigFileContent(), ParseMatrix(), PatchMatrix(), and inp_par_enc::QmatrixFile.

Referenced by init_encoder().

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