vf_colorkey_opencl.c File Reference

#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "opencl.h"
#include "opencl_source.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	ColorkeyOpenCLContext

Macros
#define	OFFSET(x)   offsetof(ColorkeyOpenCLContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Functions
static int	colorkey_opencl_init (AVFilterContext *avctx)
static int	filter_frame (AVFilterLink *link, AVFrame *input_frame)
static av_cold void	colorkey_opencl_uninit (AVFilterContext *avctx)
	AVFILTER_DEFINE_CLASS (colorkey_opencl)

Variables
static const AVFilterPad	colorkey_opencl_inputs []
static const AVFilterPad	colorkey_opencl_outputs []
static const AVOption	colorkey_opencl_options []
AVFilter	ff_vf_colorkey_opencl

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(ColorkeyOpenCLContext, x)

Definition at line 221 of file vf_colorkey_opencl.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 222 of file vf_colorkey_opencl.c.

Function Documentation

colorkey_opencl_init()

static int colorkey_opencl_init ( AVFilterContext *  avctx )

static

Definition at line 49 of file vf_colorkey_opencl.c.

Referenced by filter_frame().

filter_frame()

static int filter_frame ( AVFilterLink *  link, AVFrame *  input_frame  )

static

Definition at line 91 of file vf_colorkey_opencl.c.

colorkey_opencl_uninit()

static av_cold void colorkey_opencl_uninit ( AVFilterContext *  avctx )

static

Definition at line 180 of file vf_colorkey_opencl.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

colorkey_opencl

)

Variable Documentation

colorkey_opencl_inputs

const AVFilterPad colorkey_opencl_inputs[]

static

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_VIDEO,
        .filter_frame = filter_frame,
        .config_props = &ff_opencl_filter_config_input,
    },
    { NULL }
}

Definition at line 202 of file vf_colorkey_opencl.c.

colorkey_opencl_outputs

const AVFilterPad colorkey_opencl_outputs[]

static

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_VIDEO,
        .config_props = &ff_opencl_filter_config_output,
    },
    { NULL }
}

Definition at line 212 of file vf_colorkey_opencl.c.

colorkey_opencl_options

const AVOption colorkey_opencl_options[]

static

Initial value:

= {
    { "color", "set the colorkey key color", OFFSET(colorkey_rgba), AV_OPT_TYPE_COLOR, { .str = "black" }, CHAR_MIN, CHAR_MAX, FLAGS },
    { "similarity", "set the colorkey similarity value", OFFSET(similarity), AV_OPT_TYPE_FLOAT, { .dbl = 0.01 }, 0.01, 1.0, FLAGS },
    { "blend", "set the colorkey key blend value", OFFSET(blend), AV_OPT_TYPE_FLOAT, { .dbl = 0.0 }, 0.0, 1.0, FLAGS },
    { NULL }
}

Definition at line 224 of file vf_colorkey_opencl.c.

ff_vf_colorkey_opencl

AVFilter ff_vf_colorkey_opencl

Initial value:

= {
    .name           = "colorkey_opencl",
    .description    = NULL_IF_CONFIG_SMALL("Turns a certain color into transparency. Operates on RGB colors."),
    .priv_size      = sizeof(ColorkeyOpenCLContext),
    .priv_class     = &colorkey_opencl_class,
    .init           = &ff_opencl_filter_init,
    .uninit         = &colorkey_opencl_uninit,
    .query_formats  = &ff_opencl_filter_query_formats,
    .inputs         = colorkey_opencl_inputs,
    .outputs        = colorkey_opencl_outputs,
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE
}

Definition at line 233 of file vf_colorkey_opencl.c.