h264idct_template.c File Reference

H.264 IDCT. More...

#include "bit_depth_template.c"
#include "libavutil/common.h"

Go to the source code of this file.

Macros
#define	AVCODEC_H264IDCT_INTERNAL_H
#define	stride   16

Functions
void FUNCC()	ff_h264_idct_add (uint8_t *_dst, DCTELEM *_block, int stride)
void FUNCC()	ff_h264_idct8_add (uint8_t *_dst, DCTELEM *_block, int stride)
void FUNCC()	ff_h264_idct_dc_add (uint8_t *p_dst, DCTELEM *block, int stride)
void FUNCC()	ff_h264_idct8_dc_add (uint8_t *p_dst, DCTELEM *block, int stride)
void FUNCC()	ff_h264_idct_add16 (uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[15 *8])
void FUNCC()	ff_h264_idct_add16intra (uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[15 *8])
void FUNCC()	ff_h264_idct8_add4 (uint8_t *dst, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[15 *8])
void FUNCC()	ff_h264_idct_add8 (uint8_t **dest, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[15 *8])
void FUNCC()	ff_h264_idct_add8_422 (uint8_t **dest, const int *block_offset, DCTELEM *block, int stride, const uint8_t nnzc[15 *8])
void FUNCC()	ff_h264_luma_dc_dequant_idct (DCTELEM *p_output, DCTELEM *p_input, int qmul)
	IDCT transforms the 16 dc values and dequantizes them.
void FUNCC()	ff_h264_chroma422_dc_dequant_idct (DCTELEM *_block, int qmul)
void FUNCC()	ff_h264_chroma_dc_dequant_idct (DCTELEM *_block, int qmul)

Variables
static const uint8_t	scan8 [16 *3]

Detailed Description

H.264 IDCT.

Author

Michael Niedermayer micha.nosp@m.elni.nosp@m.@gmx..nosp@m.at

Definition in file h264idct_template.c.

Macro Definition Documentation

#define AVCODEC_H264IDCT_INTERNAL_H

Definition at line 32 of file h264idct_template.c.

#define stride   16

Referenced by ff_h264_chroma422_dc_dequant_idct(), ff_h264_chroma_dc_dequant_idct(), ff_h264_idct8_add(), ff_h264_idct8_add4(), ff_h264_idct8_dc_add(), ff_h264_idct_add(), ff_h264_idct_add16(), ff_h264_idct_add16intra(), ff_h264_idct_add8(), ff_h264_idct_add8_422(), ff_h264_idct_dc_add(), ff_h264_luma_dc_dequant_idct(), and ff_svq3_luma_dc_dequant_idct_c().

Function Documentation

void FUNCC() ff_h264_idct_add	(	uint8_t *	_dst,
		DCTELEM *	_block,
		int	stride
	)

Definition at line 50 of file h264idct_template.c.

Referenced by ff_h264_idct_add16(), ff_h264_idct_add16intra(), ff_h264_idct_add8(), and ff_h264_idct_add8_422().

void FUNCC() ff_h264_idct8_add	(	uint8_t *	_dst,
		DCTELEM *	_block,
		int	stride
	)

Definition at line 84 of file h264idct_template.c.

Referenced by ff_h264_idct8_add4().

void FUNCC() ff_h264_idct_dc_add	(	uint8_t *	p_dst,
		DCTELEM *	block,
		int	stride
	)

Definition at line 157 of file h264idct_template.c.

Referenced by ff_h264_idct_add16(), ff_h264_idct_add16intra(), ff_h264_idct_add8(), and ff_h264_idct_add8_422().

void FUNCC() ff_h264_idct8_dc_add	(	uint8_t *	p_dst,
		DCTELEM *	block,
		int	stride
	)

Definition at line 170 of file h264idct_template.c.

Referenced by ff_h264_idct8_add4().

void FUNCC() ff_h264_idct_add16	(	uint8_t *	dst,
		const int *	block_offset,
		DCTELEM *	block,
		int	stride,
		const uint8_t	nnzc[15 *8]
	)

Definition at line 183 of file h264idct_template.c.

void FUNCC() ff_h264_idct_add16intra	(	uint8_t *	dst,
		const int *	block_offset,
		DCTELEM *	block,
		int	stride,
		const uint8_t	nnzc[15 *8]
	)

Definition at line 194 of file h264idct_template.c.

void FUNCC() ff_h264_idct8_add4	(	uint8_t *	dst,
		const int *	block_offset,
		DCTELEM *	block,
		int	stride,
		const uint8_t	nnzc[15 *8]
	)

Definition at line 202 of file h264idct_template.c.

void FUNCC() ff_h264_idct_add8	(	uint8_t **	dest,
		const int *	block_offset,
		DCTELEM *	block,
		int	stride,
		const uint8_t	nnzc[15 *8]
	)

Definition at line 213 of file h264idct_template.c.

void FUNCC() ff_h264_idct_add8_422	(	uint8_t **	dest,
		const int *	block_offset,
		DCTELEM *	block,
		int	stride,
		const uint8_t	nnzc[15 *8]
	)

Definition at line 225 of file h264idct_template.c.

void FUNCC() ff_h264_luma_dc_dequant_idct	(	DCTELEM *	p_output,
		DCTELEM *	p_input,
		int	qmul
	)

IDCT transforms the 16 dc values and dequantizes them.

Parameters

qmul	quantization parameter

Definition at line 251 of file h264idct_template.c.

void FUNCC() ff_h264_chroma422_dc_dequant_idct	(	DCTELEM *	_block,
		int	qmul
	)

Definition at line 286 of file h264idct_template.c.

void FUNCC() ff_h264_chroma_dc_dequant_idct	(	DCTELEM *	_block,
		int	qmul
	)

Definition at line 313 of file h264idct_template.c.

Variable Documentation

const uint8_t scan8[16 *3]

static

Initial value:

={
 4+ 1*8, 5+ 1*8, 4+ 2*8, 5+ 2*8,
 6+ 1*8, 7+ 1*8, 6+ 2*8, 7+ 2*8,
 4+ 3*8, 5+ 3*8, 4+ 4*8, 5+ 4*8,
 6+ 3*8, 7+ 3*8, 6+ 4*8, 7+ 4*8,
 4+ 6*8, 5+ 6*8, 4+ 7*8, 5+ 7*8,
 6+ 6*8, 7+ 6*8, 6+ 7*8, 7+ 7*8,
 4+ 8*8, 5+ 8*8, 4+ 9*8, 5+ 9*8,
 6+ 8*8, 7+ 8*8, 6+ 9*8, 7+ 9*8,
 4+11*8, 5+11*8, 4+12*8, 5+12*8,
 6+11*8, 7+11*8, 6+12*8, 7+12*8,
 4+13*8, 5+13*8, 4+14*8, 5+14*8,
 6+13*8, 7+13*8, 6+14*8, 7+14*8
}

Definition at line 34 of file h264idct_template.c.

Referenced by ff_h264_idct8_add4(), ff_h264_idct_add16(), ff_h264_idct_add16intra(), ff_h264_idct_add8(), and ff_h264_idct_add8_422().