FFmpeg  4.4
Data Structures | Macros | Functions | Variables
vf_colorlevels.c File Reference
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "drawutils.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures

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

Macros

#define R   0
 
#define G   1
 
#define B   2
 
#define A   3
 
#define OFFSET(x)   offsetof(ColorLevelsContext, x)
 
#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
 
#define LOAD_COMMON
 

Functions

 AVFILTER_DEFINE_CLASS (colorlevels)
 
static int query_formats (AVFilterContext *ctx)
 
static int colorlevels_slice_8 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 
static int colorlevels_slice_16 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 
static int config_input (AVFilterLink *inlink)
 
static int filter_frame (AVFilterLink *inlink, AVFrame *in)
 

Variables

static const AVOption colorlevels_options []
 
static const AVFilterPad colorlevels_inputs []
 
static const AVFilterPad colorlevels_outputs []
 
AVFilter ff_vf_colorlevels
 

Macro Definition Documentation

◆ R

#define R   0

Definition at line 30 of file vf_colorlevels.c.

◆ G

#define G   1

Definition at line 31 of file vf_colorlevels.c.

◆ B

#define B   2

Definition at line 32 of file vf_colorlevels.c.

◆ A

#define A   3

Definition at line 33 of file vf_colorlevels.c.

◆ OFFSET

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

Definition at line 53 of file vf_colorlevels.c.

◆ FLAGS

Definition at line 54 of file vf_colorlevels.c.

◆ LOAD_COMMON

#define LOAD_COMMON
Value:
ColorLevelsContext *s = ctx->priv; \
const ThreadData *td = arg; \
const int process_h = td->h; \
const int slice_start = (process_h * jobnr ) / nb_jobs; \
const int slice_end = (process_h * (jobnr+1)) / nb_jobs; \
const uint8_t *srcrow = td->srcrow; \
uint8_t *dstrow = td->dstrow; \
const int step = s->step;
uint8_t
#define s(width, name)
Definition: cbs_vp9.c:257
const char * arg
Definition: jacosubdec.c:66
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
Definition: mpeg12dec.c:2033
#define td
Definition: regdef.h:70
Used for passing data between threads.
Definition: dsddec.c:67
AVFormatContext * ctx
Definition: movenc.c:48

Definition at line 110 of file vf_colorlevels.c.

Function Documentation

◆ AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS ( colorlevels  )

◆ query_formats()

static int query_formats ( AVFilterContext ctx)
static

Definition at line 77 of file vf_colorlevels.c.

◆ colorlevels_slice_8()

static int colorlevels_slice_8 ( AVFilterContext ctx,
void arg,
int  jobnr,
int  nb_jobs 
)
static

Definition at line 120 of file vf_colorlevels.c.

Referenced by config_input().

◆ colorlevels_slice_16()

static int colorlevels_slice_16 ( AVFilterContext ctx,
void arg,
int  jobnr,
int  nb_jobs 
)
static

Definition at line 142 of file vf_colorlevels.c.

Referenced by config_input().

◆ config_input()

static int config_input ( AVFilterLink inlink)
static

Definition at line 164 of file vf_colorlevels.c.

◆ filter_frame()

static int filter_frame ( AVFilterLink inlink,
AVFrame in 
)
static

Definition at line 183 of file vf_colorlevels.c.

Variable Documentation

◆ colorlevels_options

const AVOption colorlevels_options[]
static
Initial value:
= {
{ "rimin", "set input red black point", OFFSET(range[R].in_min), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
{ "gimin", "set input green black point", OFFSET(range[G].in_min), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
{ "bimin", "set input blue black point", OFFSET(range[B].in_min), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
{ "aimin", "set input alpha black point", OFFSET(range[A].in_min), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -1, 1, FLAGS },
{ "rimax", "set input red white point", OFFSET(range[R].in_max), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -1, 1, FLAGS },
{ "gimax", "set input green white point", OFFSET(range[G].in_max), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -1, 1, FLAGS },
{ "bimax", "set input blue white point", OFFSET(range[B].in_max), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -1, 1, FLAGS },
{ "aimax", "set input alpha white point", OFFSET(range[A].in_max), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -1, 1, FLAGS },
{ "romin", "set output red black point", OFFSET(range[R].out_min), AV_OPT_TYPE_DOUBLE, {.dbl=0}, 0, 1, FLAGS },
{ "gomin", "set output green black point", OFFSET(range[G].out_min), AV_OPT_TYPE_DOUBLE, {.dbl=0}, 0, 1, FLAGS },
{ "bomin", "set output blue black point", OFFSET(range[B].out_min), AV_OPT_TYPE_DOUBLE, {.dbl=0}, 0, 1, FLAGS },
{ "aomin", "set output alpha black point", OFFSET(range[A].out_min), AV_OPT_TYPE_DOUBLE, {.dbl=0}, 0, 1, FLAGS },
{ "romax", "set output red white point", OFFSET(range[R].out_max), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS },
{ "gomax", "set output green white point", OFFSET(range[G].out_max), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS },
{ "bomax", "set output blue white point", OFFSET(range[B].out_max), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS },
{ "aomax", "set output alpha white point", OFFSET(range[A].out_max), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0, 1, FLAGS },
{ NULL }
}
#define NULL
Definition: coverity.c:32
@ AV_OPT_TYPE_DOUBLE
Definition: opt.h:227
#define B
#define R
#define FLAGS
#define A
#define OFFSET(x)
#define G

Definition at line 55 of file vf_colorlevels.c.

◆ colorlevels_inputs

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

Definition at line 300 of file vf_colorlevels.c.

◆ colorlevels_outputs

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

Definition at line 310 of file vf_colorlevels.c.

◆ ff_vf_colorlevels

AVFilter ff_vf_colorlevels
Initial value:
= {
.name = "colorlevels",
.description = NULL_IF_CONFIG_SMALL("Adjust the color levels."),
.priv_size = sizeof(ColorLevelsContext),
.priv_class = &colorlevels_class,
}
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
Definition: af_acrusher.c:336
int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Generic processing of user supplied commands that are set in the same way as the filter options.
Definition: avfilter.c:882
#define flags(name, subs,...)
Definition: cbs_av1.c:561
#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
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:117
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
static int query_formats(AVFilterContext *ctx)
static const AVFilterPad colorlevels_outputs[]
static const AVFilterPad colorlevels_inputs[]

Definition at line 318 of file vf_colorlevels.c.