vf_hqdn3d.c File Reference

high quality 3d video denoiser, ported from MPlayer libmpcodecs/vf_hqdn3d.c. More...

#include <float.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "libavutil/pixdesc.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
#include "vf_hqdn3d.h"

Macros
#define	LUT_BITS   (depth==16 ? 8 : 4)
#define	LOAD(x)
#define	STORE(x, val)
#define	denoise(...)
#define	PARAM1_DEFAULT   4.0
#define	PARAM2_DEFAULT   3.0
#define	PARAM3_DEFAULT   6.0
#define	OFFSET(x)   offsetof(HQDN3DContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM

Functions
	AVFILTER_DEFINE_CLASS (hqdn3d)

Variables
AVFilter	ff_vf_hqdn3d

Detailed Description

high quality 3d video denoiser, ported from MPlayer libmpcodecs/vf_hqdn3d.c.

Macro Definition Documentation

denoise

#define denoise

(

...

)

Value:

do {                                                                      \
        int ret = AVERROR_BUG;                                                \
        switch (s->depth) {                                                   \
            case  8: ret = denoise_depth(__VA_ARGS__,  8); break;             \
            case  9: ret = denoise_depth(__VA_ARGS__,  9); break;             \
            case 10: ret = denoise_depth(__VA_ARGS__, 10); break;             \
            case 16: ret = denoise_depth(__VA_ARGS__, 16); break;             \
        }                                                                     \
        if (ret < 0) {                                                        \
            av_frame_free(&out);                                              \
            if (!direct)                                                      \
                av_frame_free(&in);                                           \
            return ret;                                                       \
        }                                                                     \
    } while (0)

LOAD

#define LOAD

(

x

)

Value:

(((depth == 8 ? src[x] : AV_RN16A(src + (x) * 2)) << (16 - depth))\
                 + (((1 << (16 - depth)) - 1) >> 1))

STORE

#define STORE	(		x,
			val
	)

Value:

(depth == 8 ? dst[x] = (val) >> (16 - depth) : \
                                   AV_WN16A(dst + (x) * 2, (val) >> (16 - depth)))

Variable Documentation

ff_vf_hqdn3d

AVFilter ff_vf_hqdn3d

Initial value:

= {
    .name          = "hqdn3d",
    .description   = NULL_IF_CONFIG_SMALL("Apply a High Quality 3D Denoiser."),
    .priv_size     = sizeof(HQDN3DContext),
    .priv_class    = &hqdn3d_class,
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,
    .inputs        = avfilter_vf_hqdn3d_inputs,
    .outputs       = avfilter_vf_hqdn3d_outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
}