#include <float.h>
#include "libavutil/common.h"
#include "libavutil/float_dsp.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Data Structures
struct	FrameData

struct	NNEDIContext

Macros
#define	OFFSET(x) offsetof(NNEDIContext, x)

#define	FLAGS AV_OPT_FLAG_VIDEO_PARAM\|AV_OPT_FLAG_FILTERING_PARAM

#define	NUM_NSIZE 7

#define	NUM_NNS 5

Functions
	AVFILTER_DEFINE_CLASS (nnedi)

static int	config_input (AVFilterLink *inlink)

static int	config_output (AVFilterLink *outlink)

static int	query_formats (AVFilterContext *ctx)

static void	copy_pad (const AVFrame src, FrameData frame_data, NNEDIContext *s, int fn)

static void	elliott (float *data, const int n)

static void	dot_prod (NNEDIContext s, const float data, const float weights, float vals, const int n, const int len, const float *scale)

static void	dot_prods (NNEDIContext s, const float dataf, const float weightsf, float vals, const int n, const int len, const float *scale)

static void	compute_network0 (NNEDIContext s, const float input, const float weights, uint8_t d)

static void	compute_network0_i16 (NNEDIContext s, const float inputf, const float weightsf, uint8_t d)

static void	pixel2float48 (const uint8_t t8, const int pitch, float p)

static void	byte2word48 (const uint8_t t, const int pitch, float pf)

static int32_t	process_line0 (const uint8_t tempu, int width, uint8_t dstp8, const uint8_t *src3p8, const int src_pitch, const int max_value, const int chroma)

static void	byte2word64 (const uint8_t t, const int pitch, float p)

static void	compute_network0new (NNEDIContext s, const float datai, const float weights, uint8_t d)

static void	evalfunc_0 (NNEDIContext s, FrameData frame_data)

static void	extract_m8 (const uint8_t srcp8, const int stride, const int xdia, const int ydia, float mstd, float *input)

static void	extract_m8_i16 (const uint8_t srcp, const int stride, const int xdia, const int ydia, float mstd, float *inputf)

static void	e2_m16 (float *s, const int n)

static void	weighted_avg_elliott_mul5_m16 (const float w, const int n, float mstd)

static void	evalfunc_1 (NNEDIContext s, FrameData frame_data)

static int	roundds (const double f)

static void	select_functions (NNEDIContext *s)

static int	modnpf (const int m, const int n)

static int	get_frame (AVFilterContext *ctx, int is_second)

static int	filter_frame (AVFilterLink inlink, AVFrame src)

static int	request_frame (AVFilterLink *link)

static av_cold int	init (AVFilterContext *ctx)

static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	nnedi_options []

static const float	exp_lo = -80.0f

static const float	exp_hi = +80.0f

const float	min_weight_sum = 1e-10f

static const AVFilterPad	inputs []

static const AVFilterPad	outputs []

AVFilter	ff_vf_nnedi

Macro Definition Documentation

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

Definition at line 104 of file vf_nnedi.c.

#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 105 of file vf_nnedi.c.

#define NUM_NSIZE 7

Definition at line 635 of file vf_nnedi.c.

Referenced by init().

#define NUM_NNS 5

Definition at line 636 of file vf_nnedi.c.

Referenced by init().

Function Documentation

AVFILTER_DEFINE_CLASS ( nnedi )

static int config_input ( AVFilterLink * inlink )

static

Definition at line 150 of file vf_nnedi.c.

static int config_output ( AVFilterLink * outlink )

static

Definition at line 167 of file vf_nnedi.c.

static int query_formats ( AVFilterContext * ctx )

static

Definition at line 184 of file vf_nnedi.c.

static void copy_pad	(	const AVFrame *	src,
		FrameData *	frame_data,
		NNEDIContext *	s,
		int	fn
	)

static

Definition at line 204 of file vf_nnedi.c.

Referenced by select_functions().

static void elliott	(	float *	data,
		const int	n
	)

static

Definition at line 260 of file vf_nnedi.c.

Referenced by compute_network0(), and compute_network0_i16().

static void dot_prod	(	NNEDIContext *	s,
		const float *	data,
		const float *	weights,
		float *	vals,
		const int	n,
		const int	len,
		const float *	scale
	)

static

Definition at line 268 of file vf_nnedi.c.

Referenced by compute_network0(), compute_network0_i16(), and select_functions().

static void dot_prods	(	NNEDIContext *	s,
		const float *	dataf,
		const float *	weightsf,
		float *	vals,
		const int	n,
		const int	len,
		const float *	scale
	)

static

Definition at line 281 of file vf_nnedi.c.

Referenced by compute_network0_i16(), and select_functions().

static void compute_network0	(	NNEDIContext *	s,
		const float *	input,
		const float *	weights,
		uint8_t *	d
	)

static

Definition at line 297 of file vf_nnedi.c.

Referenced by select_functions().

static void compute_network0_i16	(	NNEDIContext *	s,
		const float *	inputf,
		const float *	weightsf,
		uint8_t *	d
	)

static

Definition at line 314 of file vf_nnedi.c.

Referenced by select_functions().

static void pixel2float48	(	const uint8_t *	t8,
		const int	pitch,
		float *	p
	)

static

Definition at line 332 of file vf_nnedi.c.

Referenced by select_functions().

static void byte2word48	(	const uint8_t *	t,
		const int	pitch,
		float *	pf
	)

static

Definition at line 342 of file vf_nnedi.c.

Referenced by select_functions().

static int32_t process_line0	(	const uint8_t *	tempu,
		int	width,
		uint8_t *	dstp8,
		const uint8_t *	src3p8,
		const int	src_pitch,
		const int	max_value,
		const int	chroma
	)

static

Definition at line 352 of file vf_nnedi.c.

Referenced by select_functions().

static void byte2word64	(	const uint8_t *	t,
		const int	pitch,
		float *	p
	)

static

Definition at line 373 of file vf_nnedi.c.

Referenced by select_functions().

static void compute_network0new	(	NNEDIContext *	s,
		const float *	datai,
		const float *	weights,
		uint8_t *	d
	)

static

Definition at line 383 of file vf_nnedi.c.

Referenced by select_functions().

static void evalfunc_0	(	NNEDIContext *	s,
		FrameData *	frame_data
	)

static

Definition at line 418 of file vf_nnedi.c.

Referenced by select_functions().

static void extract_m8	(	const uint8_t *	srcp8,
		const int	stride,
		const int	xdia,
		const int	ydia,
		float *	mstd,
		float *	input
	)

static

Definition at line 487 of file vf_nnedi.c.

Referenced by select_functions().

static void extract_m8_i16	(	const uint8_t *	srcp,
		const int	stride,
		const int	xdia,
		const int	ydia,
		float *	mstd,
		float *	inputf
	)

static

Definition at line 520 of file vf_nnedi.c.

Referenced by select_functions().

static void e2_m16	(	float *	s,
		const int	n
	)

static

Definition at line 552 of file vf_nnedi.c.

Referenced by select_functions().

static void weighted_avg_elliott_mul5_m16	(	const float *	w,
		const int	n,
		float *	mstd
	)

static

Definition at line 562 of file vf_nnedi.c.

Referenced by select_functions().

static void evalfunc_1	(	NNEDIContext *	s,
		FrameData *	frame_data
	)

static

Definition at line 578 of file vf_nnedi.c.

Referenced by select_functions().

static int roundds ( const double f )

static

Definition at line 638 of file vf_nnedi.c.

Referenced by init().

static void select_functions ( NNEDIContext * s )

static

Definition at line 645 of file vf_nnedi.c.

Referenced by init().

static int modnpf	(	const int	m,
		const int	n
	)

static

Definition at line 682 of file vf_nnedi.c.

Referenced by get_frame().

static int get_frame	(	AVFilterContext *	ctx,
		int	is_second
	)

static

Definition at line 689 of file vf_nnedi.c.

Referenced by filter_frame().

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

static

Definition at line 794 of file vf_nnedi.c.

Referenced by request_frame().

static int request_frame ( AVFilterLink * link )

static

Definition at line 879 of file vf_nnedi.c.

static av_cold int init ( AVFilterContext * ctx )

static

Definition at line 907 of file vf_nnedi.c.

static av_cold void uninit ( AVFilterContext * ctx )

static

Definition at line 1159 of file vf_nnedi.c.

Variable Documentation

const AVOption nnedi_options[]

static

Definition at line 107 of file vf_nnedi.c.

const float exp_lo = -80.0f

static

Definition at line 549 of file vf_nnedi.c.

Referenced by e2_m16().

const float exp_hi = +80.0f

static

Definition at line 550 of file vf_nnedi.c.

Referenced by e2_m16().

const float min_weight_sum = 1e-10f

Definition at line 560 of file vf_nnedi.c.

Referenced by weighted_avg_elliott_mul5_m16().

const AVFilterPad inputs[]

static

Initial value:

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

Definition at line 1179 of file vf_nnedi.c.

const AVFilterPad outputs[]

static

Initial value:

= {
    {
        .name          = "default",
        .type          = AVMEDIA_TYPE_VIDEO,
        .config_props  = config_output,
        .request_frame = request_frame,
    },
    { NULL }
}

Definition at line 1189 of file vf_nnedi.c.

AVFilter ff_vf_nnedi

Initial value:

= {
    .name          = "nnedi",
    .description   = NULL_IF_CONFIG_SMALL("Apply neural network edge directed interpolation intra-only deinterlacer."),
    .priv_size     = sizeof(NNEDIContext),
    .priv_class    = &nnedi_class,
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,
    .inputs        = inputs,
    .outputs       = outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
}

Definition at line 1199 of file vf_nnedi.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation