vf_uspp.c File Reference

Ultra Slow/Simple Post-processing filter. More...

#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "internal.h"
#include "avfilter.h"

Classes
struct	USPPContext

Macros
#define	MAX_LEVEL   8 /* quality levels */
#define	BLOCK   16
#define	OFFSET(x)   offsetof(USPPContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
#define	STORE(pos)

Typedefs
typedef struct USPPContext	USPPContext

Functions
	AVFILTER_DEFINE_CLASS (uspp)
	DECLARE_ALIGNED (8, static const uint8_t, dither)[8][8]

Variables
AVFilter	ff_vf_uspp

Detailed Description

Ultra Slow/Simple Post-processing filter.

Originally written by Michael Niedermayer for the MPlayer project, and ported by Arwa Arif for FFmpeg.

Macro Definition Documentation

STORE

#define STORE

(

pos

)

Value:

do {                                                     \
    temp = ((src[x + y * src_stride + pos] << log2_scale) + d[pos]) >> 8;   \
    if (temp & 0x100) temp = ~(temp >> 31);                                 \
    dst[x + y * dst_stride + pos] = temp;                                   \
} while (0)

Variable Documentation

ff_vf_uspp

AVFilter ff_vf_uspp

Initial value:

= {
    .name            = "uspp",
    .description     = NULL_IF_CONFIG_SMALL("Apply Ultra Simple / Slow Post-processing filter."),
    .priv_size       = sizeof(USPPContext),
    .uninit          = uninit,
    .query_formats   = query_formats,
    .inputs          = uspp_inputs,
    .outputs         = uspp_outputs,
    .priv_class      = &uspp_class,
    .flags           = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
}