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

#include "config.h"
#include "libavutil/common.h"
#include "libavutil/pixdesc.h"
#include "libavutil/intreadwrite.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) (((depth==8 ? src[x] : AV_RN16A(src+(x)*2)) << (16-depth)) + (((1<<(16-depth))-1)>>1))

#define	STORE(x, val)

#define	denoise(...)

#define	PARAM1_DEFAULT 4.0

#define	PARAM2_DEFAULT 3.0

#define	PARAM3_DEFAULT 6.0

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 hqdn3d, 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 hqdn3d, 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 int	init (AVFilterContext ctx, const char args)

static void	uninit (AVFilterContext *ctx)

static int	query_formats (AVFilterContext *ctx)

static int	config_input (AVFilterLink *inlink)

static int	filter_frame (AVFilterLink inlink, AVFilterBufferRef in)

Variables
static const AVFilterPad	avfilter_vf_hqdn3d_inputs []

static const AVFilterPad	avfilter_vf_hqdn3d_outputs []

AVFilter	avfilter_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 39 of file vf_hqdn3d.c.

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

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

Definition at line 40 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 41 of file vf_hqdn3d.c.

Referenced by denoise_spatial(), and denoise_temporal().

#define denoise ( ... )

Value:

switch (hqdn3d->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 146 of file vf_hqdn3d.c.

Referenced by filter_frame().

#define PARAM1_DEFAULT 4.0

Definition at line 175 of file vf_hqdn3d.c.

Referenced by init().

#define PARAM2_DEFAULT 3.0

Definition at line 176 of file vf_hqdn3d.c.

Referenced by init().

#define PARAM3_DEFAULT 6.0

Definition at line 177 of file vf_hqdn3d.c.

Referenced by init().

Function Documentation

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

static

Definition at line 45 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 52 of file vf_hqdn3d.c.

Referenced by denoise_depth().

static av_always_inline void denoise_spatial	(	HQDN3DContext *	hqdn3d,
		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 74 of file vf_hqdn3d.c.

Referenced by denoise_depth().

static av_always_inline void denoise_depth	(	HQDN3DContext *	hqdn3d,
		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 118 of file vf_hqdn3d.c.

static int16_t* precalc_coefs	(	double	dist25,
		int	depth
	)

static

Definition at line 154 of file vf_hqdn3d.c.

Referenced by config_input().

static int init	(	AVFilterContext *	ctx,
		const char *	args
	)

static

Definition at line 179 of file vf_hqdn3d.c.

static void uninit ( AVFilterContext * ctx )

static

Definition at line 237 of file vf_hqdn3d.c.

static int query_formats ( AVFilterContext * ctx )

static

Definition at line 251 of file vf_hqdn3d.c.

static int config_input ( AVFilterLink * inlink )

static

Definition at line 281 of file vf_hqdn3d.c.

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

static

Definition at line 307 of file vf_hqdn3d.c.

Variable Documentation

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 342 of file vf_hqdn3d.c.

const AVFilterPad avfilter_vf_hqdn3d_outputs[]

static

Initial value:

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

Definition at line 353 of file vf_hqdn3d.c.

AVFilter avfilter_vf_hqdn3d

Initial value:

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

Definition at line 361 of file vf_hqdn3d.c.

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

Function Documentation

Variable Documentation