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
static av_always_inline uint32_t	lowpass (int prev, int cur, int16_t *coef, int depth)

static av_always_inline void	denoise_temporal (uint8_t src, uint8_t dst, uint16_t frame_ant, int w, int h, int sstride, int dstride, int16_t temporal, int depth)

static av_always_inline void	denoise_spatial (HQDN3DContext s, uint8_t src, uint8_t dst, uint16_t line_ant, uint16_t frame_ant, int w, int h, int sstride, int dstride, int16_t spatial, int16_t *temporal, int depth)

static av_always_inline void	denoise_depth (HQDN3DContext s, uint8_t src, uint8_t dst, uint16_t line_ant, uint16_t *frame_ant_ptr, int w, int h, int sstride, int dstride, int16_t spatial, int16_t *temporal, int depth)

static int16_t *	precalc_coefs (double dist25, int depth)

static av_cold int	init (AVFilterContext *ctx)

static av_cold void	uninit (AVFilterContext *ctx)

static int	query_formats (AVFilterContext *ctx)

static int	config_input (AVFilterLink *inlink)

static int	filter_frame (AVFilterLink inlink, AVFrame in)

	AVFILTER_DEFINE_CLASS (hqdn3d)

Variables
static const AVOption	hqdn3d_options []

static const AVFilterPad	avfilter_vf_hqdn3d_inputs []

static const AVFilterPad	avfilter_vf_hqdn3d_outputs []

AVFilter	ff_vf_hqdn3d

Detailed Description

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

Definition in file vf_hqdn3d.c.

Macro Definition Documentation

#define LUT_BITS (depth==16 ? 8 : 4)

Definition at line 44 of file vf_hqdn3d.c.

Referenced by denoise_spatial(), denoise_temporal(), lowpass(), and precalc_coefs().

#define LOAD ( x )

Value:

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

+ (((1 << (16 - depth)) - 1) >> 1))

Definition at line 45 of file vf_hqdn3d.c.

Referenced by denoise_depth(), denoise_spatial(), and denoise_temporal().

#define STORE	(	x,
		val
	)

Value:

(depth == 8 ? dst[x] = (val) >> (16 - depth) : \

AV_WN16A(dst + (x) * 2, (val) >> (16 - depth)))

Definition at line 47 of file vf_hqdn3d.c.

Referenced by denoise_spatial(), and denoise_temporal().

#define denoise ( ... )

Value:

switch (s->depth) {\
        case  8: denoise_depth(__VA_ARGS__,  8); break;\
        case  9: denoise_depth(__VA_ARGS__,  9); break;\
        case 10: denoise_depth(__VA_ARGS__, 10); break;\
        case 16: denoise_depth(__VA_ARGS__, 16); break;\
    }

Definition at line 153 of file vf_hqdn3d.c.

Referenced by filter_frame().

#define PARAM1_DEFAULT 4.0

Definition at line 182 of file vf_hqdn3d.c.

Referenced by init().

#define PARAM2_DEFAULT 3.0

Definition at line 183 of file vf_hqdn3d.c.

Referenced by init().

#define PARAM3_DEFAULT 6.0

Definition at line 184 of file vf_hqdn3d.c.

Referenced by init().

#define OFFSET ( x ) offsetof(HQDN3DContext, x)

Definition at line 322 of file vf_hqdn3d.c.

#define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM

Definition at line 323 of file vf_hqdn3d.c.

Function Documentation

static av_always_inline uint32_t lowpass	(	int	prev,
		int	cur,
		int16_t *	coef,
		int	depth
	)

static

Definition at line 51 of file vf_hqdn3d.c.

static av_always_inline void denoise_temporal	(	uint8_t *	src,
		uint8_t *	dst,
		uint16_t *	frame_ant,
		int	w,
		int	h,
		int	sstride,
		int	dstride,
		int16_t *	temporal,
		int	depth
	)

static

Definition at line 58 of file vf_hqdn3d.c.

Referenced by denoise_depth().

static av_always_inline void denoise_spatial	(	HQDN3DContext *	s,
		uint8_t *	src,
		uint8_t *	dst,
		uint16_t *	line_ant,
		uint16_t *	frame_ant,
		int	w,
		int	h,
		int	sstride,
		int	dstride,
		int16_t *	spatial,
		int16_t *	temporal,
		int	depth
	)

static

Definition at line 80 of file vf_hqdn3d.c.

Referenced by denoise_depth().

static av_always_inline void denoise_depth	(	HQDN3DContext *	s,
		uint8_t *	src,
		uint8_t *	dst,
		uint16_t *	line_ant,
		uint16_t **	frame_ant_ptr,
		int	w,
		int	h,
		int	sstride,
		int	dstride,
		int16_t *	spatial,
		int16_t *	temporal,
		int	depth
	)

static

Definition at line 124 of file vf_hqdn3d.c.

static int16_t* precalc_coefs	(	double	dist25,
		int	depth
	)

static

Definition at line 161 of file vf_hqdn3d.c.

Referenced by config_input().

static av_cold int init ( AVFilterContext * ctx )

static

Definition at line 186 of file vf_hqdn3d.c.

static av_cold void uninit ( AVFilterContext * ctx )

static

Definition at line 206 of file vf_hqdn3d.c.

Referenced by config_input().

static int query_formats ( AVFilterContext * ctx )

static

Definition at line 220 of file vf_hqdn3d.c.

static int config_input ( AVFilterLink * inlink )

static

Definition at line 250 of file vf_hqdn3d.c.

static int filter_frame	(	AVFilterLink *	inlink,
		AVFrame *	in
	)

static

Definition at line 278 of file vf_hqdn3d.c.

AVFILTER_DEFINE_CLASS ( hqdn3d )

Variable Documentation

const AVOption hqdn3d_options[]

static

Initial value:

= {
    { "luma_spatial",   "spatial luma strength",    OFFSET(strength[LUMA_SPATIAL]),   AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
    { "chroma_spatial", "spatial chroma strength",  OFFSET(strength[CHROMA_SPATIAL]), AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
    { "luma_tmp",       "temporal luma strength",   OFFSET(strength[LUMA_TMP]),       AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
    { "chroma_tmp",     "temporal chroma strength", OFFSET(strength[CHROMA_TMP]),     AV_OPT_TYPE_DOUBLE, { .dbl = 0.0 }, 0, DBL_MAX, FLAGS },
    { NULL }
}

Definition at line 324 of file vf_hqdn3d.c.

const AVFilterPad avfilter_vf_hqdn3d_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = config_input,
        .filter_frame = filter_frame,
    },
    { NULL }
}

Definition at line 334 of file vf_hqdn3d.c.

const AVFilterPad avfilter_vf_hqdn3d_outputs[]

static

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_VIDEO
    },
    { NULL }
}

Definition at line 345 of file vf_hqdn3d.c.

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,
}

Definition at line 353 of file vf_hqdn3d.c.

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

Function Documentation

Variable Documentation