FFmpeg
Data Structures | Macros | Functions | Variables
vf_vaguedenoiser.c File Reference
#include <float.h>
#include "libavutil/imgutils.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"

Go to the source code of this file.

Data Structures

struct  VagueDenoiserContext
 

Macros

#define OFFSET(x)   offsetof(VagueDenoiserContext, x)
 
#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
 
#define NPAD   10
 

Functions

 AVFILTER_DEFINE_CLASS (vaguedenoiser)
 
static int config_input (AVFilterLink *inlink)
 
static void copy (const float *p1, float *p2, const int length)
 
static void copyv (const float *p1, const int stride1, float *p2, const int length)
 
static void copyh (const float *p1, float *p2, const int stride2, const int length)
 
static void symmetric_extension (float *output, const int size, const int left_ext, const int right_ext)
 
static void transform_step (float *input, float *output, const int size, const int low_size, VagueDenoiserContext *s)
 
static void invert_step (const float *input, float *output, float *temp, const int size, VagueDenoiserContext *s)
 
static void hard_thresholding (float *block, const int width, const int height, const int stride, const float threshold, const float percent)
 
static void soft_thresholding (float *block, const int width, const int height, const int stride, const float threshold, const float percent)
 
static void qian_thresholding (float *block, const int width, const int height, const int stride, const float threshold, const float percent)
 
static float bayes_threshold (float *block, const int width, const int height, const int stride, const float threshold)
 
static void filter (VagueDenoiserContext *s, AVFrame *in, AVFrame *out)
 
static int filter_frame (AVFilterLink *inlink, AVFrame *in)
 
static av_cold int init (AVFilterContext *ctx)
 
static av_cold void uninit (AVFilterContext *ctx)
 

Variables

static const AVOption vaguedenoiser_options []
 
static const float analysis_low [9]
 
static const float analysis_high [7]
 
static const float synthesis_low [7]
 
static const float synthesis_high [9]
 
static enum AVPixelFormat pix_fmts []
 
static const AVFilterPad vaguedenoiser_inputs []
 
static const AVFilterPad vaguedenoiser_outputs []
 
const AVFilter ff_vf_vaguedenoiser
 

Macro Definition Documentation

◆ OFFSET

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

Definition at line 67 of file vf_vaguedenoiser.c.

◆ FLAGS

Definition at line 68 of file vf_vaguedenoiser.c.

◆ NPAD

#define NPAD   10

Definition at line 86 of file vf_vaguedenoiser.c.

Function Documentation

◆ AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS ( vaguedenoiser  )

◆ config_input()

static int config_input ( AVFilterLink inlink)
static

Definition at line 134 of file vf_vaguedenoiser.c.

◆ copy()

static void copy ( const float *  p1,
float *  p2,
const int  length 
)
inlinestatic

◆ copyv()

static void copyv ( const float *  p1,
const int  stride1,
float *  p2,
const int  length 
)
inlinestatic

Definition at line 192 of file vf_vaguedenoiser.c.

Referenced by filter().

◆ copyh()

static void copyh ( const float *  p1,
float *  p2,
const int  stride2,
const int  length 
)
inlinestatic

Definition at line 202 of file vf_vaguedenoiser.c.

Referenced by filter().

◆ symmetric_extension()

static void symmetric_extension ( float *  output,
const int  size,
const int  left_ext,
const int  right_ext 
)
static

Definition at line 218 of file vf_vaguedenoiser.c.

Referenced by invert_step(), and transform_step().

◆ transform_step()

static void transform_step ( float *  input,
float *  output,
const int  size,
const int  low_size,
VagueDenoiserContext s 
)
static

Definition at line 243 of file vf_vaguedenoiser.c.

Referenced by filter().

◆ invert_step()

static void invert_step ( const float *  input,
float *  output,
float *  temp,
const int  size,
VagueDenoiserContext s 
)
static

Definition at line 276 of file vf_vaguedenoiser.c.

Referenced by filter().

◆ hard_thresholding()

static void hard_thresholding ( float *  block,
const int  width,
const int  height,
const int  stride,
const float  threshold,
const float  percent 
)
static

Definition at line 331 of file vf_vaguedenoiser.c.

Referenced by init().

◆ soft_thresholding()

static void soft_thresholding ( float *  block,
const int  width,
const int  height,
const int  stride,
const float  threshold,
const float  percent 
)
static

Definition at line 347 of file vf_vaguedenoiser.c.

Referenced by init().

◆ qian_thresholding()

static void qian_thresholding ( float *  block,
const int  width,
const int  height,
const int  stride,
const float  threshold,
const float  percent 
)
static

Definition at line 366 of file vf_vaguedenoiser.c.

Referenced by init().

◆ bayes_threshold()

static float bayes_threshold ( float *  block,
const int  width,
const int  height,
const int  stride,
const float  threshold 
)
static

Definition at line 389 of file vf_vaguedenoiser.c.

Referenced by filter().

◆ filter()

static void filter ( VagueDenoiserContext s,
AVFrame in,
AVFrame out 
)
static

Definition at line 406 of file vf_vaguedenoiser.c.

Referenced by filter_frame().

◆ filter_frame()

static int filter_frame ( AVFilterLink inlink,
AVFrame in 
)
static

Definition at line 530 of file vf_vaguedenoiser.c.

◆ init()

static av_cold int init ( AVFilterContext ctx)
static

Definition at line 558 of file vf_vaguedenoiser.c.

◆ uninit()

static av_cold void uninit ( AVFilterContext ctx)
static

Definition at line 577 of file vf_vaguedenoiser.c.

Variable Documentation

◆ vaguedenoiser_options

const AVOption vaguedenoiser_options[]
static
Initial value:
= {
{ "threshold", "set filtering strength", OFFSET(threshold), AV_OPT_TYPE_FLOAT, {.dbl=2.}, 0,DBL_MAX, FLAGS },
{ "method", "set filtering method", OFFSET(method), AV_OPT_TYPE_INT, {.i64=2 }, 0, 2, FLAGS, "method" },
{ "hard", "hard thresholding", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "method" },
{ "soft", "soft thresholding", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "method" },
{ "garrote", "garrote thresholding", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "method" },
{ "nsteps", "set number of steps", OFFSET(nsteps), AV_OPT_TYPE_INT, {.i64=6 }, 1, 32, FLAGS },
{ "percent", "set percent of full denoising", OFFSET(percent),AV_OPT_TYPE_FLOAT, {.dbl=85}, 0,100, FLAGS },
{ "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=15 }, 0, 15, FLAGS },
{ "type", "set threshold type", OFFSET(type), AV_OPT_TYPE_INT, {.i64=0 }, 0, 1, FLAGS, "type" },
{ "universal", "universal (VisuShrink)", 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "type" },
{ "bayes", "bayes (BayesShrink)", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "type" },
{ NULL }
}

Definition at line 69 of file vf_vaguedenoiser.c.

◆ analysis_low

const float analysis_low[9]
static
Initial value:
= {
0.037828455506995f, -0.023849465019380f, -0.110624404418423f, 0.377402855612654f,
0.852698679009403f, 0.377402855612654f, -0.110624404418423f, -0.023849465019380f, 0.037828455506995f
}

Definition at line 88 of file vf_vaguedenoiser.c.

Referenced by transform_step().

◆ analysis_high

const float analysis_high[7]
static
Initial value:
= {
-0.064538882628938f, 0.040689417609558f, 0.418092273222212f, -0.788485616405664f,
0.418092273222212f, 0.040689417609558f, -0.064538882628938f
}

Definition at line 93 of file vf_vaguedenoiser.c.

Referenced by transform_step().

◆ synthesis_low

const float synthesis_low[7]
static
Initial value:
= {
-0.064538882628938f, -0.040689417609558f, 0.418092273222212f, 0.788485616405664f,
0.418092273222212f, -0.040689417609558f, -0.064538882628938f
}

Definition at line 98 of file vf_vaguedenoiser.c.

Referenced by invert_step().

◆ synthesis_high

const float synthesis_high[9]
static
Initial value:
= {
-0.037828455506995f, -0.023849465019380f, 0.110624404418423f, 0.377402855612654f,
-0.852698679009403f, 0.377402855612654f, 0.110624404418423f, -0.023849465019380f, -0.037828455506995f
}

Definition at line 103 of file vf_vaguedenoiser.c.

Referenced by invert_step().

◆ pix_fmts

enum AVPixelFormat pix_fmts[]
static

◆ vaguedenoiser_inputs

const AVFilterPad vaguedenoiser_inputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = config_input,
.filter_frame = filter_frame,
},
}

Definition at line 587 of file vf_vaguedenoiser.c.

◆ vaguedenoiser_outputs

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

Definition at line 597 of file vf_vaguedenoiser.c.

◆ ff_vf_vaguedenoiser

const AVFilter ff_vf_vaguedenoiser
Initial value:
= {
.name = "vaguedenoiser",
.description = NULL_IF_CONFIG_SMALL("Apply a Wavelet based Denoiser."),
.priv_size = sizeof(VagueDenoiserContext),
.priv_class = &vaguedenoiser_class,
.init = init,
}

Definition at line 604 of file vf_vaguedenoiser.c.

AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:434
AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:413
FILTER_PIXFMTS_ARRAY
#define FILTER_PIXFMTS_ARRAY(array)
Definition: internal.h:171
OFFSET
#define OFFSET(x)
Definition: vf_vaguedenoiser.c:67
AV_PIX_FMT_YUVA422P9
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:426
AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:433
vaguedenoiser_outputs
static const AVFilterPad vaguedenoiser_outputs[]
Definition: vf_vaguedenoiser.c:597
AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:428
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:391
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:429
AV_PIX_FMT_GRAY9
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:371
planes
static const struct @320 planes[]
AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:425
AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:409
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:407
AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:435
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:389
type
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf type
Definition: writing_filters.txt:86
AV_PIX_FMT_GRAY16
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:375
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:394
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:403
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:411
AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:412
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:404
AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:432
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:388
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:402
AV_PIX_FMT_GRAY14
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:374
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
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: internal.h:191
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:372
VagueDenoiserContext
Definition: vf_vaguedenoiser.c:35
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:410
NULL
#define NULL
Definition: coverity.c:32
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_vaguedenoiser.c:530
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
AV_PIX_FMT_YUV440P10
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:393
vaguedenoiser_inputs
static const AVFilterPad vaguedenoiser_inputs[]
Definition: vf_vaguedenoiser.c:587
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:392
AV_PIX_FMT_GRAY8
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:406
FLAGS
#define FLAGS
Definition: vf_vaguedenoiser.c:68
init
static av_cold int init(AVFilterContext *ctx)
Definition: vf_vaguedenoiser.c:558
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:396
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:398
uninit
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_vaguedenoiser.c:577
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_vaguedenoiser.c:134
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:430
AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
Definition: avfilter.h:130
AV_OPT_TYPE_FLOAT
@ AV_OPT_TYPE_FLOAT
Definition: opt.h:227
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:408
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:390
AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:427
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:395
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:400
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
AV_PIX_FMT_YUVA422P12
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:431
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:224
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
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition: internal.h:192
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:397
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:401
AV_PIX_FMT_GRAY12
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:373
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Definition: opt.h:233
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:399
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: vf_vaguedenoiser.c:108