FFmpeg
Data Structures | Macros | Functions | Variables
vf_convolve.c File Reference
#include "config_components.h"
#include <float.h>
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/tx.h"
#include "avfilter.h"
#include "formats.h"
#include "framesync.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

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 36 of file vf_convolve.c.

◆ OFFSET

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

Definition at line 84 of file vf_convolve.c.

◆ FLAGS

Definition at line 85 of file vf_convolve.c.

◆ SQR

#define SQR (   x)    ((x) * (x))

Definition at line 205 of file vf_convolve.c.

Function Documentation

◆ config_input()

static int config_input ( AVFilterLink inlink)
static

Definition at line 117 of file vf_convolve.c.

◆ config_input_impulse()

static int config_input_impulse ( AVFilterLink inlink)
static

Definition at line 167 of file vf_convolve.c.

◆ fft_horizontal()

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

Definition at line 186 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 207 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 297 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 372 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 397 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 422 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 441 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 462 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 515 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 546 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 575 of file vf_convolve.c.

Referenced by init().

◆ prepare_impulse()

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

Definition at line 607 of file vf_convolve.c.

Referenced by init().

◆ prepare_secondary()

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

Definition at line 650 of file vf_convolve.c.

Referenced by init().

◆ do_convolve()

static int do_convolve ( FFFrameSync fs)
static

Definition at line 676 of file vf_convolve.c.

Referenced by config_output().

◆ config_output()

static int config_output ( AVFilterLink outlink)
static

Definition at line 747 of file vf_convolve.c.

◆ activate()

static int activate ( AVFilterContext ctx)
static

Definition at line 795 of file vf_convolve.c.

◆ init()

static av_cold int init ( AVFilterContext ctx)
static

Definition at line 801 of file vf_convolve.c.

◆ uninit()

static av_cold void uninit ( AVFilterContext ctx)
static

Definition at line 827 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, "impulse" },
{ "first", "process only first impulse, ignore rest", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "impulse" },
{ "all", "process all impulses", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "impulse" },
{ "noise", "set noise", OFFSET(noise), AV_OPT_TYPE_FLOAT, {.dbl=0.0000001}, 0, 1, FLAGS },
{ NULL },
}

Definition at line 87 of file vf_convolve.c.

◆ pixel_fmts_fftfilt

enum AVPixelFormat pixel_fmts_fftfilt[]
static

◆ convolve_inputs

const AVFilterPad convolve_inputs[]
static
Initial value:
= {
{
.name = "main",
.config_props = config_input,
},{
.name = "impulse",
.config_props = config_input_impulse,
},
}

Definition at line 851 of file vf_convolve.c.

◆ convolve_outputs

const AVFilterPad convolve_outputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = config_output,
},
}

Definition at line 863 of file vf_convolve.c.

AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:474
AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:453
OFFSET
#define OFFSET(x)
Definition: vf_convolve.c:84
AV_PIX_FMT_YUVA422P9
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:466
AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:473
AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:468
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:431
AV_PIX_FMT_YUV440P
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:469
AV_PIX_FMT_GRAY9
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:411
AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:465
AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:449
AV_PIX_FMT_GBRAP
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:205
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:447
AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:475
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:429
AV_PIX_FMT_GRAY16
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:415
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:434
AV_PIX_FMT_YUVJ411P
@ AV_PIX_FMT_YUVJ411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:248
AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:443
AV_PIX_FMT_YUVJ422P
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
AV_PIX_FMT_GBRAP10
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:451
AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:452
AV_PIX_FMT_YUVA420P
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:444
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:428
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:442
AV_PIX_FMT_GRAY14
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:414
AV_PIX_FMT_YUV420P
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
AV_PIX_FMT_YUVJ444P
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
AV_PIX_FMT_GRAY10
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:412
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_convolve.c:117
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:450
NULL
#define NULL
Definition: coverity.c:32
AV_PIX_FMT_YUVJ420P
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
config_input_impulse
static int config_input_impulse(AVFilterLink *inlink)
Definition: vf_convolve.c:167
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:432
AV_PIX_FMT_GRAY8
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
FLAGS
#define FLAGS
Definition: vf_convolve.c:85
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:446
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:436
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:438
AV_PIX_FMT_YUVA444P
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:167
AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:470
AV_OPT_TYPE_FLOAT
@ AV_OPT_TYPE_FLOAT
Definition: opt.h:228
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:448
planes
static const struct @337 planes[]
AV_PIX_FMT_YUVJ440P
@ AV_PIX_FMT_YUVJ440P
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range
Definition: pixfmt.h:100
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:430
AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:467
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:435
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:440
noise
static int noise(AVBSFContext *ctx, AVPacket *pkt)
Definition: noise_bsf.c:120
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
AV_PIX_FMT_YUV444P
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
AV_PIX_FMT_GBRP
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:158
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
AV_PIX_FMT_YUV422P
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
AV_PIX_FMT_YUV411P
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
AV_PIX_FMT_YUV410P
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
AV_PIX_FMT_YUV440P12
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:437
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:441
config_output
static int config_output(AVFilterLink *outlink)
Definition: vf_convolve.c:747
AV_PIX_FMT_GRAY12
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:413
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
AV_PIX_FMT_YUVA422P
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:166
AV_PIX_FMT_YUV420P14
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:439