libavcodec/h264dsp.c File Reference

H.264 / AVC / MPEG4 part10 DSP functions. More...

#include <stdint.h>
#include "avcodec.h"
#include "h264dsp.h"

Go to the source code of this file.

Defines
#define	op_scale1(x)   block[x] = av_clip_uint8( (block[x]*weight + offset) >> log2_denom )
#define	op_scale2(x)   dst[x] = av_clip_uint8( (src[x]*weights + dst[x]*weightd + offset) >> (log2_denom+1))
#define	H264_WEIGHT(W, H)
Functions
static av_always_inline av_flatten void	h264_loop_filter_luma_c (uint8_t *pix, int xstride, int ystride, int alpha, int beta, int8_t *tc0)
static void	h264_v_loop_filter_luma_c (uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
static void	h264_h_loop_filter_luma_c (uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
static av_always_inline av_flatten void	h264_loop_filter_luma_intra_c (uint8_t *pix, int xstride, int ystride, int alpha, int beta)
static void	h264_v_loop_filter_luma_intra_c (uint8_t *pix, int stride, int alpha, int beta)
static void	h264_h_loop_filter_luma_intra_c (uint8_t *pix, int stride, int alpha, int beta)
static av_always_inline av_flatten void	h264_loop_filter_chroma_c (uint8_t *pix, int xstride, int ystride, int alpha, int beta, int8_t *tc0)
static void	h264_v_loop_filter_chroma_c (uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
static void	h264_h_loop_filter_chroma_c (uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
static av_always_inline av_flatten void	h264_loop_filter_chroma_intra_c (uint8_t *pix, int xstride, int ystride, int alpha, int beta)
static void	h264_v_loop_filter_chroma_intra_c (uint8_t *pix, int stride, int alpha, int beta)
static void	h264_h_loop_filter_chroma_intra_c (uint8_t *pix, int stride, int alpha, int beta)
void	ff_h264dsp_init (H264DSPContext *c)

---

Detailed Description

H.264 / AVC / MPEG4 part10 DSP functions.

Author:

Michael Niedermayer <michaelni@gmx.at>

Definition in file h264dsp.c.

---

Define Documentation

#define H264_WEIGHT	(	W,
		H		)

Definition at line 34 of file h264dsp.c.

#define op_scale1

(

x

)

block[x] = av_clip_uint8( (block[x]*weight + offset) >> log2_denom )

Definition at line 32 of file h264dsp.c.

#define op_scale2

(

x

)

dst[x] = av_clip_uint8( (src[x]*weights + dst[x]*weightd + offset) >> (log2_denom+1))

Definition at line 33 of file h264dsp.c.

---

Function Documentation

void ff_h264dsp_init

(

H264DSPContext *

c

)

Definition at line 275 of file h264dsp.c.

Referenced by common_init().

static void h264_h_loop_filter_chroma_c	(	uint8_t *	pix,
		int	stride,
		int	alpha,
		int	beta,
		int8_t *	tc0
	)			[static]

Definition at line 242 of file h264dsp.c.

Referenced by ff_h264dsp_init().

static void h264_h_loop_filter_chroma_intra_c	(	uint8_t *	pix,
		int	stride,
		int	alpha,
		int	beta
	)			[static]

Definition at line 270 of file h264dsp.c.

Referenced by ff_h264dsp_init().

static void h264_h_loop_filter_luma_c	(	uint8_t *	pix,
		int	stride,
		int	alpha,
		int	beta,
		int8_t *	tc0
	)			[static]

Definition at line 148 of file h264dsp.c.

Referenced by ff_h264dsp_init().

static void h264_h_loop_filter_luma_intra_c	(	uint8_t *	pix,
		int	stride,
		int	alpha,
		int	beta
	)			[static]

Definition at line 205 of file h264dsp.c.

Referenced by ff_h264dsp_init().

static av_always_inline av_flatten void h264_loop_filter_chroma_c	(	uint8_t *	pix,
		int	xstride,
		int	ystride,
		int	alpha,
		int	beta,
		int8_t *	tc0
	)			[static]

Definition at line 210 of file h264dsp.c.

Referenced by h264_h_loop_filter_chroma_c(), and h264_v_loop_filter_chroma_c().

static av_always_inline av_flatten void h264_loop_filter_chroma_intra_c	(	uint8_t *	pix,
		int	xstride,
		int	ystride,
		int	alpha,
		int	beta
	)			[static]

Definition at line 247 of file h264dsp.c.

Referenced by h264_h_loop_filter_chroma_intra_c(), and h264_v_loop_filter_chroma_intra_c().

static av_always_inline av_flatten void h264_loop_filter_luma_c	(	uint8_t *	pix,
		int	xstride,
		int	ystride,
		int	alpha,
		int	beta,
		int8_t *	tc0
	)			[static]

Definition at line 102 of file h264dsp.c.

Referenced by h264_h_loop_filter_luma_c(), and h264_v_loop_filter_luma_c().

static av_always_inline av_flatten void h264_loop_filter_luma_intra_c	(	uint8_t *	pix,
		int	xstride,
		int	ystride,
		int	alpha,
		int	beta
	)			[static]

Definition at line 153 of file h264dsp.c.

Referenced by h264_h_loop_filter_luma_intra_c(), and h264_v_loop_filter_luma_intra_c().

static void h264_v_loop_filter_chroma_c	(	uint8_t *	pix,
		int	stride,
		int	alpha,
		int	beta,
		int8_t *	tc0
	)			[static]

Definition at line 238 of file h264dsp.c.

Referenced by ff_h264dsp_init().

static void h264_v_loop_filter_chroma_intra_c	(	uint8_t *	pix,
		int	stride,
		int	alpha,
		int	beta
	)			[static]

Definition at line 266 of file h264dsp.c.

Referenced by ff_h264dsp_init().

static void h264_v_loop_filter_luma_c	(	uint8_t *	pix,
		int	stride,
		int	alpha,
		int	beta,
		int8_t *	tc0
	)			[static]

Definition at line 144 of file h264dsp.c.

Referenced by ff_h264dsp_init().

static void h264_v_loop_filter_luma_intra_c	(	uint8_t *	pix,
		int	stride,
		int	alpha,
		int	beta
	)			[static]

Definition at line 201 of file h264dsp.c.

Referenced by ff_h264dsp_init().