vf_super2xsai.c File Reference

Super 2xSaI video filter Ported from MPlayer libmpcodecs/vf_2xsai.c. More...

#include "libavutil/pixdesc.h"
#include "libavutil/intreadwrite.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Classes
struct	Super2xSaIContext

Macros
#define	GET_RESULT(A, B, C, D)   ((A != C || A != D) - (B != C || B != D))
#define	INTERPOLATE(A, B)   (((A & hi_pixel_mask) >> 1) + ((B & hi_pixel_mask) >> 1) + (A & B & lo_pixel_mask))
#define	Q_INTERPOLATE(A, B, C, D)
#define	READ_COLOR4(dst, src_line, off)   dst = *((const uint32_t *)src_line + off)
#define	READ_COLOR3(dst, src_line, off)   dst = AV_RL24 (src_line + 3*off)
#define	READ_COLOR2(dst, src_line, off)   dst = s->is_be ? AV_RB16(src_line + 2 * off) : AV_RL16(src_line + 2 * off)

Typedefs
typedef struct Super2xSaIContext	Super2xSaIContext

Variables
AVFilter	ff_vf_super2xsai

Detailed Description

Super 2xSaI video filter Ported from MPlayer libmpcodecs/vf_2xsai.c.

Macro Definition Documentation

Q_INTERPOLATE

#define Q_INTERPOLATE	(		A,
			B,
			C,
			D
	)

Value:

((A & q_hi_pixel_mask) >> 2) + ((B & q_hi_pixel_mask) >> 2) + ((C & q_hi_pixel_mask) >> 2) + ((D & q_hi_pixel_mask) >> 2) \
    + ((((A & q_lo_pixel_mask) + (B & q_lo_pixel_mask) + (C & q_lo_pixel_mask) + (D & q_lo_pixel_mask)) >> 2) & q_lo_pixel_mask)

Variable Documentation

ff_vf_super2xsai

AVFilter ff_vf_super2xsai

Initial value:

= {
    .name          = "super2xsai",
    .description   = NULL_IF_CONFIG_SMALL("Scale the input by 2x using the Super2xSaI pixel art algorithm."),
    .priv_size     = sizeof(Super2xSaIContext),
    .query_formats = query_formats,
    .inputs        = super2xsai_inputs,
    .outputs       = super2xsai_outputs,
}