#include "config_components.h"
#include <float.h>
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/tx.h"
#include "avfilter.h"
#include "framesync.h"
#include "internal.h"

Data Structures
struct	ConvolveContext

struct	ThreadData
	Used for passing data between threads. More...

Macros
#define	MAX_THREADS 16

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

#define	FLAGS AV_OPT_FLAG_FILTERING_PARAM\|AV_OPT_FLAG_VIDEO_PARAM

#define	SQR(x) ((x) * (x))

Functions
static int	config_input (AVFilterLink *inlink)

static int	config_input_impulse (AVFilterLink *inlink)

static int	fft_horizontal (AVFilterContext ctx, void arg, int jobnr, int nb_jobs)

static void	get_zeropadded_input (ConvolveContext s, AVComplexFloat fft_hdata, AVFrame *in, int w, int h, int n, int plane, float scale)

static void	get_input (ConvolveContext s, AVComplexFloat fft_hdata, AVFrame *in, int w, int h, int n, int plane, float scale)

static int	fft_vertical (AVFilterContext ctx, void arg, int jobnr, int nb_jobs)

static int	ifft_vertical (AVFilterContext ctx, void arg, int jobnr, int nb_jobs)

static int	ifft_horizontal (AVFilterContext ctx, void arg, int jobnr, int nb_jobs)

static void	get_xoutput (ConvolveContext s, AVComplexFloat input, AVFrame *out, int w, int h, int n, int plane, float scale)

static void	get_output (ConvolveContext s, AVComplexFloat input, AVFrame *out, int w, int h, int n, int plane, float scale)

static int	complex_multiply (AVFilterContext ctx, void arg, int jobnr, int nb_jobs)

static int	complex_xcorrelate (AVFilterContext ctx, void arg, int jobnr, int nb_jobs)

static int	complex_divide (AVFilterContext ctx, void arg, int jobnr, int nb_jobs)

static void	prepare_impulse (AVFilterContext ctx, AVFrame impulsepic, int plane)

static void	prepare_secondary (AVFilterContext ctx, AVFrame secondary, int plane)

static int	do_convolve (FFFrameSync *fs)

static int	config_output (AVFilterLink *outlink)

static int	activate (AVFilterContext *ctx)

static av_cold int	init (AVFilterContext *ctx)

static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	convolve_options []

static enum AVPixelFormat	pixel_fmts_fftfilt []

static const AVFilterPad	convolve_inputs []

static const AVFilterPad	convolve_outputs []

Macro Definition Documentation

◆ MAX_THREADS

#define MAX_THREADS 16

Definition at line 33 of file vf_convolve.c.

◆ OFFSET

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

Definition at line 81 of file vf_convolve.c.

◆ FLAGS

#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 82 of file vf_convolve.c.

◆ SQR

#define SQR ( x ) ((x) * (x))

Definition at line 202 of file vf_convolve.c.

Function Documentation

◆ config_input()

static int config_input ( AVFilterLink * inlink )

static

Definition at line 114 of file vf_convolve.c.

◆ config_input_impulse()

static int config_input_impulse ( AVFilterLink * inlink )

static

Definition at line 164 of file vf_convolve.c.

◆ fft_horizontal()

static int fft_horizontal	(	AVFilterContext *	ctx,
		void *	arg,
		int	jobnr,
		int	nb_jobs
	)

static

Definition at line 183 of file vf_convolve.c.

Referenced by do_convolve(), prepare_impulse(), and prepare_secondary().

◆ get_zeropadded_input()

static void get_zeropadded_input	(	ConvolveContext *	s,
		AVComplexFloat *	fft_hdata,
		AVFrame *	in,
		int	w,
		int	h,
		int	n,
		int	plane,
		float	scale
	)

static

Definition at line 204 of file vf_convolve.c.

Referenced by init().

◆ get_input()

static void get_input	(	ConvolveContext *	s,
		AVComplexFloat *	fft_hdata,
		AVFrame *	in,
		int	w,
		int	h,
		int	n,
		int	plane,
		float	scale
	)

static

Definition at line 294 of file vf_convolve.c.

Referenced by init().

◆ fft_vertical()

static int fft_vertical	(	AVFilterContext *	ctx,
		void *	arg,
		int	jobnr,
		int	nb_jobs
	)

static

Definition at line 369 of file vf_convolve.c.

Referenced by do_convolve(), prepare_impulse(), and prepare_secondary().

◆ ifft_vertical()

static int ifft_vertical	(	AVFilterContext *	ctx,
		void *	arg,
		int	jobnr,
		int	nb_jobs
	)

static

Definition at line 394 of file vf_convolve.c.

Referenced by do_convolve().

◆ ifft_horizontal()

static int ifft_horizontal	(	AVFilterContext *	ctx,
		void *	arg,
		int	jobnr,
		int	nb_jobs
	)

static

Definition at line 419 of file vf_convolve.c.

Referenced by do_convolve().

◆ get_xoutput()

static void get_xoutput	(	ConvolveContext *	s,
		AVComplexFloat *	input,
		AVFrame *	out,
		int	w,
		int	h,
		int	n,
		int	plane,
		float	scale
	)

static

Definition at line 438 of file vf_convolve.c.

Referenced by init().

◆ get_output()

static void get_output	(	ConvolveContext *	s,
		AVComplexFloat *	input,
		AVFrame *	out,
		int	w,
		int	h,
		int	n,
		int	plane,
		float	scale
	)

static

Definition at line 459 of file vf_convolve.c.

Referenced by init().

◆ complex_multiply()

static int complex_multiply	(	AVFilterContext *	ctx,
		void *	arg,
		int	jobnr,
		int	nb_jobs
	)

static

Definition at line 512 of file vf_convolve.c.

Referenced by init().

◆ complex_xcorrelate()

static int complex_xcorrelate	(	AVFilterContext *	ctx,
		void *	arg,
		int	jobnr,
		int	nb_jobs
	)

static

Definition at line 543 of file vf_convolve.c.

Referenced by init().

◆ complex_divide()

static int complex_divide	(	AVFilterContext *	ctx,
		void *	arg,
		int	jobnr,
		int	nb_jobs
	)

static

Definition at line 572 of file vf_convolve.c.

Referenced by init().

◆ prepare_impulse()

static void prepare_impulse	(	AVFilterContext *	ctx,
		AVFrame *	impulsepic,
		int	plane
	)

static

Definition at line 604 of file vf_convolve.c.

Referenced by init().

◆ prepare_secondary()

static void prepare_secondary	(	AVFilterContext *	ctx,
		AVFrame *	secondary,
		int	plane
	)

static

Definition at line 647 of file vf_convolve.c.

Referenced by init().

◆ do_convolve()

static int do_convolve ( FFFrameSync * fs )

static

Definition at line 673 of file vf_convolve.c.

Referenced by config_output().

◆ config_output()

static int config_output ( AVFilterLink * outlink )

static

Definition at line 744 of file vf_convolve.c.

◆ activate()

static int activate ( AVFilterContext * ctx )

static

Definition at line 792 of file vf_convolve.c.

◆ init()

static av_cold int init ( AVFilterContext * ctx )

static

Definition at line 798 of file vf_convolve.c.

◆ uninit()

static av_cold void uninit ( AVFilterContext * ctx )

static

Definition at line 824 of file vf_convolve.c.

Variable Documentation

◆ convolve_options

const AVOption convolve_options[]

static

Initial value:

= {
    { "planes",  "set planes to convolve",                  OFFSET(planes),   AV_OPT_TYPE_INT,   {.i64=7}, 0, 15, FLAGS },
    { "impulse", "when to process impulses",                OFFSET(impulse),  AV_OPT_TYPE_INT,   {.i64=1}, 0,  1, FLAGS, .unit = "impulse" },
    {   "first", "process only first impulse, ignore rest", 0,                AV_OPT_TYPE_CONST, {.i64=0}, 0,  0, FLAGS, .unit = "impulse" },
    {   "all",   "process all impulses",                    0,                AV_OPT_TYPE_CONST, {.i64=1}, 0,  0, FLAGS, .unit = "impulse" },
    { "noise",   "set noise",                               OFFSET(noise),    AV_OPT_TYPE_FLOAT, {.dbl=0.0000001}, 0,  1, FLAGS },
    { NULL },
}

Definition at line 84 of file vf_convolve.c.

◆ pixel_fmts_fftfilt

enum AVPixelFormat pixel_fmts_fftfilt[]

static

Initial value:

= {
    AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P,
    AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P,
    AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
    AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
    AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
    AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
    AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12,
    AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
    AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
    AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
    AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
    AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
    AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
    AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
    AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
    AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
    AV_PIX_FMT_NONE
}

Definition at line 93 of file vf_convolve.c.

◆ convolve_inputs

const AVFilterPad convolve_inputs[]

static

Initial value:

= {
    {
        .name          = "main",
        .type          = AVMEDIA_TYPE_VIDEO,
        .config_props  = config_input,
    },{
        .name          = "impulse",
        .type          = AVMEDIA_TYPE_VIDEO,
        .config_props  = config_input_impulse,
    },
}

Definition at line 848 of file vf_convolve.c.

◆ convolve_outputs

const AVFilterPad convolve_outputs[]

static

Initial value:

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

Definition at line 860 of file vf_convolve.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ MAX_THREADS

◆ OFFSET

◆ FLAGS

◆ SQR

Function Documentation

◆ config_input()

◆ config_input_impulse()

◆ fft_horizontal()

◆ get_zeropadded_input()

◆ get_input()

◆ fft_vertical()

◆ ifft_vertical()

◆ ifft_horizontal()

◆ get_xoutput()

◆ get_output()

◆ complex_multiply()

◆ complex_xcorrelate()

◆ complex_divide()

◆ prepare_impulse()

◆ prepare_secondary()

◆ do_convolve()

◆ config_output()

◆ activate()

◆ init()

◆ uninit()

Variable Documentation

◆ convolve_options

◆ pixel_fmts_fftfilt

◆ convolve_inputs

◆ convolve_outputs