vf_epx.c File Reference

#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "filters.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	EPXContext
struct	ThreadData
	Used for passing data between threads. More...

Macros
#define	OFFSET(x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Functions
	AVFILTER_DEFINE_CLASS (epx)
static int	epx2_slice (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	epx3_slice (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	config_output (AVFilterLink *outlink)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)

Variables
static const AVOption	epx_options []
static enum AVPixelFormat	pix_fmts []
static const AVFilterPad	inputs []
static const AVFilterPad	outputs []
const FFFilter	ff_vf_epx

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(EPXContext, x)

Definition at line 37 of file vf_epx.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 38 of file vf_epx.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

epx

)

epx2_slice()

static int epx2_slice ( AVFilterContext * ctx, void * arg, int jobnr, int nb_jobs )

static

Definition at line 46 of file vf_epx.c.

Referenced by config_output().

epx3_slice()

static int epx3_slice ( AVFilterContext * ctx, void * arg, int jobnr, int nb_jobs )

static

Definition at line 113 of file vf_epx.c.

Referenced by config_output().

config_output()

static int config_output ( AVFilterLink * outlink )

static

Definition at line 200 of file vf_epx.c.

filter_frame()

static int filter_frame ( AVFilterLink * inlink, AVFrame * in )

static

Definition at line 231 of file vf_epx.c.

Variable Documentation

epx_options

const AVOption epx_options[]

static

Initial value:

= {
    { "n", "set scale factor", OFFSET(n), AV_OPT_TYPE_INT, {.i64 = 3}, 2, 3, .flags = FLAGS },
    { NULL }
}

Definition at line 39 of file vf_epx.c.

pix_fmts

enum AVPixelFormat pix_fmts[]

static

Initial value:

= {
    AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA, AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR,
    AV_PIX_FMT_NONE,
}

Definition at line 226 of file vf_epx.c.

inputs

const AVFilterPad inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = filter_frame,
    },
}

Definition at line 254 of file vf_epx.c.

outputs

const AVFilterPad outputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = config_output,
    },
}

Definition at line 262 of file vf_epx.c.

ff_vf_epx

const FFFilter ff_vf_epx

Initial value:

= {
    .p.name        = "epx",
    .p.description = NULL_IF_CONFIG_SMALL("Scale the input using EPX algorithm."),
    .p.priv_class  = &epx_class,
    .p.flags       = AVFILTER_FLAG_SLICE_THREADS,
    FILTER_INPUTS(inputs),
    FILTER_OUTPUTS(outputs),
    FILTER_PIXFMTS_ARRAY(pix_fmts),
    .priv_size     = sizeof(EPXContext),
}

Definition at line 270 of file vf_epx.c.