Libav
Data Structures | Macros | Functions | Variables
vsrc_color.c File Reference

color source More...

#include <stdio.h>
#include <string.h>
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
#include "libavutil/pixdesc.h"
#include "libavutil/colorspace.h"
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/mathematics.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "drawutils.h"

Go to the source code of this file.

Data Structures

struct  ColorContext
 

Macros

#define OFFSET(x)   offsetof(ColorContext, x)
 
#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM
 

Functions

static av_cold int color_init (AVFilterContext *ctx)
 
static av_cold void color_uninit (AVFilterContext *ctx)
 
static int query_formats (AVFilterContext *ctx)
 
static int color_config_props (AVFilterLink *inlink)
 
static int color_request_frame (AVFilterLink *link)
 

Variables

static const AVOption options []
 
static const AVClass color_class
 
static const AVFilterPad avfilter_vsrc_color_outputs []
 
AVFilter ff_vsrc_color
 

Detailed Description

color source

Definition in file vsrc_color.c.

Macro Definition Documentation

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

Definition at line 162 of file vsrc_color.c.

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM

Definition at line 163 of file vsrc_color.c.

Function Documentation

static av_cold int color_init ( AVFilterContext ctx)
static

Definition at line 57 of file vsrc_color.c.

static av_cold void color_uninit ( AVFilterContext ctx)
static

Definition at line 82 of file vsrc_color.c.

static int query_formats ( AVFilterContext ctx)
static

Definition at line 93 of file vsrc_color.c.

static int color_config_props ( AVFilterLink inlink)
static

Definition at line 114 of file vsrc_color.c.

static int color_request_frame ( AVFilterLink link)
static

Definition at line 145 of file vsrc_color.c.

Variable Documentation

const AVOption options[]
static
Initial value:
= {
{ "color", "Output video color", OFFSET(color_str), AV_OPT_TYPE_STRING, { .str = "black" }, .flags = FLAGS },
{ "size", "Output video size (wxh or an abbreviation)", OFFSET(size_str), AV_OPT_TYPE_STRING, { .str = "320x240" }, .flags = FLAGS },
{ "framerate", "Output video framerate", OFFSET(framerate_str), AV_OPT_TYPE_STRING, { .str = "25" }, .flags = FLAGS },
{ NULL },
}
#define FLAGS
Definition: vsrc_color.c:163
NULL
Definition: eval.c:55
#define OFFSET(x)
Definition: vsrc_color.c:162

Definition at line 164 of file vsrc_color.c.

const AVClass color_class
static
Initial value:
= {
.class_name = "color",
.item_name = av_default_item_name,
.option = options,
}
LIBAVUTIL_VERSION_INT
Definition: eval.c:55
av_default_item_name
Return the context name.
Definition: dnxhdenc.c:52
static const AVOption options[]
Definition: vsrc_color.c:164

Definition at line 171 of file vsrc_color.c.

const AVFilterPad avfilter_vsrc_color_outputs[]
static
Initial value:
= {
{
.name = "default",
.request_frame = color_request_frame,
.config_props = color_config_props
},
{ NULL }
}
static int color_config_props(AVFilterLink *inlink)
Definition: vsrc_color.c:114
NULL
Definition: eval.c:55
static int color_request_frame(AVFilterLink *link)
Definition: vsrc_color.c:145

Definition at line 178 of file vsrc_color.c.

AVFilter ff_vsrc_color
Initial value:
= {
.name = "color",
.description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input, syntax is: [color[:size[:rate]]]"),
.priv_class = &color_class,
.priv_size = sizeof(ColorContext),
}
static const AVFilterPad outputs[]
Definition: af_ashowinfo.c:232
static av_cold void uninit(AVFilterContext *ctx)
Definition: af_amix.c:514
static const AVFilterPad avfilter_vsrc_color_outputs[]
Definition: vsrc_color.c:178
static av_cold int color_init(AVFilterContext *ctx)
Definition: vsrc_color.c:57
static int query_formats(AVFilterContext *ctx)
Definition: vsrc_color.c:93
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:150
static const AVClass color_class
Definition: vsrc_color.c:171
static av_cold void color_uninit(AVFilterContext *ctx)
Definition: vsrc_color.c:82
NULL
Definition: eval.c:55
static const AVFilterPad inputs[]
Definition: af_ashowinfo.c:221
static av_cold int init(AVCodecParserContext *s)
Definition: h264_parser.c:499

Definition at line 188 of file vsrc_color.c.