libavfilter/vsrc_color.c File Reference

color source More...

#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/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "drawutils.h"

Go to the source code of this file.

Data Structures
struct	ColorContext
Defines
#define	OFFSET(x)   offsetof(ColorContext, x)
Functions
	AVFILTER_DEFINE_CLASS (color)
static av_cold int	color_init (AVFilterContext *ctx, const char *args)
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	color_options []
AVFilter	avfilter_vsrc_color

---

Detailed Description

color source

Definition in file vsrc_color.c.

---

Define Documentation

#define OFFSET

(

x

)

offsetof(ColorContext, x)

Definition at line 51 of file vsrc_color.c.

---

Function Documentation

AVFILTER_DEFINE_CLASS

(

color

)

static int color_config_props

(

AVFilterLink *

inlink

)

[static]

Definition at line 108 of file vsrc_color.c.

static av_cold int color_init	(	AVFilterContext *	ctx,
		const char *	args
	)			[static]

Definition at line 65 of file vsrc_color.c.

static int color_request_frame

(

AVFilterLink *

link

)

[static]

Definition at line 131 of file vsrc_color.c.

static av_cold void color_uninit

(

AVFilterContext *

ctx

)

[static]

Definition at line 95 of file vsrc_color.c.

static int query_formats

(

AVFilterContext *

ctx

)

[static]

Definition at line 102 of file vsrc_color.c.

---

Variable Documentation

AVFilter avfilter_vsrc_color

Initial value:

 {
    .name        = "color",
    .description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input."),

    .priv_size = sizeof(ColorContext),
    .init      = color_init,
    .uninit    = color_uninit,

    .query_formats = query_formats,

    .inputs    = (const AVFilterPad[]) {{ .name = NULL}},

    .outputs   = (const AVFilterPad[]) {{ .name            = "default",
                                          .type            = AVMEDIA_TYPE_VIDEO,
                                          .request_frame   = color_request_frame,
                                          .config_props    = color_config_props },
                                        { .name = NULL}},
}

Definition at line 171 of file vsrc_color.c.

const AVOption color_options[] [static]

Initial value:

 {
    { "size",  "set frame size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0 },
    { "s",     "set frame size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0 },
    { "rate",  "set frame rate", OFFSET(rate_str), AV_OPT_TYPE_STRING, {.str = "25"}, 0, 0 },
    { "r",     "set frame rate", OFFSET(rate_str), AV_OPT_TYPE_STRING, {.str = "25"}, 0, 0 },
    { "color", "set color", OFFSET(color_str), AV_OPT_TYPE_STRING, {.str = "black"}, CHAR_MIN, CHAR_MAX },
    { "c",     "set color", OFFSET(color_str), AV_OPT_TYPE_STRING, {.str = "black"}, CHAR_MIN, CHAR_MAX },
    { NULL },
}

Definition at line 53 of file vsrc_color.c.