FFmpeg  4.4.8
Data Structures | Macros | Functions | Variables
vf_removegrain.c File Reference
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/qsort.h"
#include "avfilter.h"
#include "filters.h"
#include "formats.h"
#include "internal.h"
#include "removegrain.h"
#include "video.h"

Go to the source code of this file.

Data Structures

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

Macros

#define OFFSET(x)   offsetof(RemoveGrainContext, x)
 
#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
 
#define REMOVE_GRAIN_SORT_AXIS
 

Functions

 AVFILTER_DEFINE_CLASS (removegrain)
 
static int query_formats (AVFilterContext *ctx)
 
static int mode01 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int cmp_int (const void *p1, const void *p2)
 
static int mode02 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode03 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode04 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode05 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode06 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode07 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode08 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode09 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode10 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode1112 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode1314 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode1516 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode17 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode18 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode19 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode20 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode21 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode22 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode23 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int mode24 (int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
 
static int config_input (AVFilterLink *inlink)
 
static int filter_slice (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 
static int filter_frame (AVFilterLink *inlink, AVFrame *in)
 

Variables

static const AVOption removegrain_options []
 
static const AVFilterPad removegrain_inputs []
 
static const AVFilterPad removegrain_outputs []
 
AVFilter ff_vf_removegrain
 

Macro Definition Documentation

◆ OFFSET

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

Definition at line 35 of file vf_removegrain.c.

◆ FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 36 of file vf_removegrain.c.

◆ REMOVE_GRAIN_SORT_AXIS

#define REMOVE_GRAIN_SORT_AXIS
Value:
const int ma1 = FFMAX(a1, a8); \
const int mi1 = FFMIN(a1, a8); \
const int ma2 = FFMAX(a2, a7); \
const int mi2 = FFMIN(a2, a7); \
const int ma3 = FFMAX(a3, a6); \
const int mi3 = FFMIN(a3, a6); \
const int ma4 = FFMAX(a4, a5); \
const int mi4 = FFMIN(a4, a5);
FFMIN
#define FFMIN(a, b)
Definition: common.h:105
FFMAX
#define FFMAX(a, b)
Definition: common.h:103
a4
#define a4
Definition: regdef.h:50
a3
#define a3
Definition: regdef.h:49
a5
#define a5
Definition: regdef.h:51
a2
#define a2
Definition: regdef.h:48
a1
#define a1
Definition: regdef.h:47

Definition at line 67 of file vf_removegrain.c.

Function Documentation

◆ AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS ( removegrain  )

◆ query_formats()

static int query_formats ( AVFilterContext *  ctx)
static

Definition at line 48 of file vf_removegrain.c.

◆ mode01()

static int mode01 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 77 of file vf_removegrain.c.

Referenced by config_input().

◆ cmp_int()

static int cmp_int ( const void *  p1,
const void *  p2 
)
static

Definition at line 85 of file vf_removegrain.c.

Referenced by mode02(), mode03(), and mode04().

◆ mode02()

static int mode02 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 92 of file vf_removegrain.c.

Referenced by config_input().

◆ mode03()

static int mode03 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 101 of file vf_removegrain.c.

Referenced by config_input().

◆ mode04()

static int mode04 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 110 of file vf_removegrain.c.

Referenced by config_input().

◆ mode05()

static int mode05 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 119 of file vf_removegrain.c.

Referenced by config_input().

◆ mode06()

static int mode06 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 142 of file vf_removegrain.c.

Referenced by config_input().

◆ mode07()

static int mode07 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 174 of file vf_removegrain.c.

Referenced by config_input().

◆ mode08()

static int mode08 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 206 of file vf_removegrain.c.

Referenced by config_input().

◆ mode09()

static int mode09 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 238 of file vf_removegrain.c.

Referenced by config_input().

◆ mode10()

static int mode10 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 260 of file vf_removegrain.c.

Referenced by config_input().

◆ mode1112()

static int mode1112 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 285 of file vf_removegrain.c.

Referenced by config_input().

◆ mode1314()

static int mode1314 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 293 of file vf_removegrain.c.

Referenced by config_input().

◆ mode1516()

static int mode1516 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 311 of file vf_removegrain.c.

Referenced by config_input().

◆ mode17()

static int mode17 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 330 of file vf_removegrain.c.

Referenced by config_input().

◆ mode18()

static int mode18 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 340 of file vf_removegrain.c.

Referenced by config_input().

◆ mode19()

static int mode19 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 362 of file vf_removegrain.c.

Referenced by config_input().

◆ mode20()

static int mode20 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 370 of file vf_removegrain.c.

Referenced by config_input().

◆ mode21()

static int mode21 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 378 of file vf_removegrain.c.

Referenced by config_input().

◆ mode22()

static int mode22 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 396 of file vf_removegrain.c.

Referenced by config_input().

◆ mode23()

static int mode23 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 409 of file vf_removegrain.c.

Referenced by config_input().

◆ mode24()

static int mode24 ( int  c,
int  a1,
int  a2,
int  a3,
int  a4,
int  a5,
int  a6,
int  a7,
int  a8 
)
static

Definition at line 433 of file vf_removegrain.c.

Referenced by config_input().

◆ config_input()

static int config_input ( AVFilterLink *  inlink)
static

Definition at line 467 of file vf_removegrain.c.

◆ filter_slice()

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

Definition at line 524 of file vf_removegrain.c.

Referenced by filter_frame().

◆ filter_frame()

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

Definition at line 592 of file vf_removegrain.c.

Variable Documentation

◆ removegrain_options

const AVOption removegrain_options[]
static
Initial value:
= {
{ "m0", "set mode for 1st plane", OFFSET(mode[0]), AV_OPT_TYPE_INT, {.i64=0}, 0, 24, FLAGS },
{ "m1", "set mode for 2nd plane", OFFSET(mode[1]), AV_OPT_TYPE_INT, {.i64=0}, 0, 24, FLAGS },
{ "m2", "set mode for 3rd plane", OFFSET(mode[2]), AV_OPT_TYPE_INT, {.i64=0}, 0, 24, FLAGS },
{ "m3", "set mode for 4th plane", OFFSET(mode[3]), AV_OPT_TYPE_INT, {.i64=0}, 0, 24, FLAGS },
{NULL}
}
NULL
#define NULL
Definition: coverity.c:32
mode
mode
Use these values in ebur128_init (or'ed).
Definition: ebur128.h:83
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
FLAGS
#define FLAGS
Definition: vf_removegrain.c:36
OFFSET
#define OFFSET(x)
Definition: vf_removegrain.c:35

Definition at line 38 of file vf_removegrain.c.

◆ removegrain_inputs

const AVFilterPad removegrain_inputs[]
static
Initial value:
= {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.filter_frame = filter_frame,
.config_props = config_input,
},
{ NULL }
}
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_removegrain.c:467
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_removegrain.c:592

Definition at line 634 of file vf_removegrain.c.

◆ removegrain_outputs

const AVFilterPad removegrain_outputs[]
static
Initial value:
= {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
},
{ NULL }
}

Definition at line 644 of file vf_removegrain.c.

◆ ff_vf_removegrain

AVFilter ff_vf_removegrain
Initial value:
= {
.name = "removegrain",
.description = NULL_IF_CONFIG_SMALL("Remove grain."),
.priv_size = sizeof(RemoveGrainContext),
.query_formats = query_formats,
.inputs = removegrain_inputs,
.outputs = removegrain_outputs,
.priv_class = &removegrain_class,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
}
inputs
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
outputs
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:572
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:126
AVFILTER_FLAG_SLICE_THREADS
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:117
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
removegrain_outputs
static const AVFilterPad removegrain_outputs[]
Definition: vf_removegrain.c:644
removegrain_inputs
static const AVFilterPad removegrain_inputs[]
Definition: vf_removegrain.c:634
query_formats
static int query_formats(AVFilterContext *ctx)
Definition: vf_removegrain.c:48

Definition at line 652 of file vf_removegrain.c.

Generated on Sun Jun 21 2026 21:01:11 for FFmpeg by doxygen 1.9.1