FFmpeg  4.0
Data Structures | Macros | Functions | Variables
vf_colorchannelmixer.c File Reference
#include "libavutil/opt.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  ColorChannelMixerContext
 

Macros

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

Functions

 AVFILTER_DEFINE_CLASS (colorchannelmixer)
 
static int query_formats (AVFilterContext *ctx)
 
static int config_output (AVFilterLink *outlink)
 
static int filter_frame (AVFilterLink *inlink, AVFrame *in)
 
static av_cold void uninit (AVFilterContext *ctx)
 

Variables

static const AVOption colorchannelmixer_options []
 
static const AVFilterPad colorchannelmixer_inputs []
 
static const AVFilterPad colorchannelmixer_outputs []
 
AVFilter ff_vf_colorchannelmixer
 

Macro Definition Documentation

◆ R

#define R   0

Definition at line 28 of file vf_colorchannelmixer.c.

Referenced by config_output(), and filter_frame().

◆ G

#define G   1

Definition at line 29 of file vf_colorchannelmixer.c.

Referenced by config_output(), and filter_frame().

◆ B

#define B   2

Definition at line 30 of file vf_colorchannelmixer.c.

Referenced by config_output(), and filter_frame().

◆ A

#define A   3

Definition at line 31 of file vf_colorchannelmixer.c.

Referenced by config_output(), and filter_frame().

◆ OFFSET

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

Definition at line 47 of file vf_colorchannelmixer.c.

◆ FLAGS

Definition at line 48 of file vf_colorchannelmixer.c.

Function Documentation

◆ AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS ( colorchannelmixer  )

◆ query_formats()

static int query_formats ( AVFilterContext ctx)
static

Definition at line 71 of file vf_colorchannelmixer.c.

◆ config_output()

static int config_output ( AVFilterLink outlink)
static

Definition at line 90 of file vf_colorchannelmixer.c.

◆ filter_frame()

static int filter_frame ( AVFilterLink inlink,
AVFrame in 
)
static

Definition at line 142 of file vf_colorchannelmixer.c.

◆ uninit()

static av_cold void uninit ( AVFilterContext ctx)
static

Definition at line 327 of file vf_colorchannelmixer.c.

Variable Documentation

◆ colorchannelmixer_options

const AVOption colorchannelmixer_options[]
static
Initial value:
= {
{ "rr", "set the red gain for the red channel", OFFSET(rr), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -2, 2, FLAGS },
{ "rg", "set the green gain for the red channel", OFFSET(rg), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
{ "rb", "set the blue gain for the red channel", OFFSET(rb), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
{ "ra", "set the alpha gain for the red channel", OFFSET(ra), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
{ "gr", "set the red gain for the green channel", OFFSET(gr), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
{ "gg", "set the green gain for the green channel", OFFSET(gg), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -2, 2, FLAGS },
{ "gb", "set the blue gain for the green channel", OFFSET(gb), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
{ "ga", "set the alpha gain for the green channel", OFFSET(ga), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
{ "br", "set the red gain for the blue channel", OFFSET(br), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
{ "bg", "set the green gain for the blue channel", OFFSET(bg), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
{ "bb", "set the blue gain for the blue channel", OFFSET(bb), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -2, 2, FLAGS },
{ "ba", "set the alpha gain for the blue channel", OFFSET(ba), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
{ "ar", "set the red gain for the alpha channel", OFFSET(ar), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
{ "ag", "set the green gain for the alpha channel", OFFSET(ag), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
{ "ab", "set the blue gain for the alpha channel", OFFSET(ab), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
{ "aa", "set the alpha gain for the alpha channel", OFFSET(aa), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -2, 2, FLAGS },
{ NULL }
}
#define NULL
Definition: coverity.c:32
#define OFFSET(x)
#define ra
Definition: regdef.h:57
#define FLAGS

Definition at line 49 of file vf_colorchannelmixer.c.

◆ colorchannelmixer_inputs

const AVFilterPad colorchannelmixer_inputs[]
static
Initial value:
= {
{
.name = "default",
.filter_frame = filter_frame,
},
{ NULL }
}
#define NULL
Definition: coverity.c:32
static int filter_frame(AVFilterLink *inlink, AVFrame *in)

Definition at line 334 of file vf_colorchannelmixer.c.

◆ colorchannelmixer_outputs

const AVFilterPad colorchannelmixer_outputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = config_output,
},
{ NULL }
}
#define NULL
Definition: coverity.c:32
static int config_output(AVFilterLink *outlink)

Definition at line 343 of file vf_colorchannelmixer.c.

◆ ff_vf_colorchannelmixer

AVFilter ff_vf_colorchannelmixer
Initial value:
= {
.name = "colorchannelmixer",
.description = NULL_IF_CONFIG_SMALL("Adjust colors by mixing color channels."),
.priv_size = sizeof(ColorChannelMixerContext),
.priv_class = &colorchannelmixer_class,
}
static int query_formats(AVFilterContext *ctx)
#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:125
static const AVFilterPad colorchannelmixer_inputs[]
static int flags
Definition: log.c:55
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:186
static av_cold void uninit(AVFilterContext *ctx)
static const AVFilterPad colorchannelmixer_outputs[]
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203

Definition at line 352 of file vf_colorchannelmixer.c.