vf_despill.c File Reference

#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	DespillContext

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

Functions
static int	do_despill_slice (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	filter_frame (AVFilterLink *link, AVFrame *frame)
static av_cold int	config_output (AVFilterLink *outlink)
	AVFILTER_DEFINE_CLASS (despill)

Variables
static enum AVPixelFormat	pixel_fmts []
static const AVFilterPad	despill_inputs []
static const AVFilterPad	despill_outputs []
static const AVOption	despill_options []
const AVFilter	ff_vf_despill

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(DespillContext, x)

Definition at line 140 of file vf_despill.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 141 of file vf_despill.c.

Function Documentation

do_despill_slice()

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

static

Definition at line 41 of file vf_despill.c.

Referenced by filter_frame().

filter_frame()

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

static

Definition at line 90 of file vf_despill.c.

config_output()

static av_cold int config_output ( AVFilterLink *  outlink )

static

Definition at line 102 of file vf_despill.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

despill

)

Variable Documentation

pixel_fmts

enum AVPixelFormat pixel_fmts[]

static

Initial value:

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

Definition at line 115 of file vf_despill.c.

despill_inputs

const AVFilterPad despill_inputs[]

static

Initial value:

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

Definition at line 123 of file vf_despill.c.

despill_outputs

const AVFilterPad despill_outputs[]

static

Initial value:

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

Definition at line 132 of file vf_despill.c.

despill_options

const AVOption despill_options[]

static

Initial value:

= {
    { "type",       "set the screen type",     OFFSET(type),        AV_OPT_TYPE_INT,     {.i64=0},     0,   1, FLAGS, "type" },
    {   "green",    "greenscreen",             0,                   AV_OPT_TYPE_CONST,   {.i64=0},     0,   0, FLAGS, "type" },
    {   "blue",     "bluescreen",              0,                   AV_OPT_TYPE_CONST,   {.i64=1},     0,   0, FLAGS, "type" },
    { "mix",        "set the spillmap mix",    OFFSET(spillmix),    AV_OPT_TYPE_FLOAT,   {.dbl=0.5},   0,   1, FLAGS },
    { "expand",     "set the spillmap expand", OFFSET(spillexpand), AV_OPT_TYPE_FLOAT,   {.dbl=0},     0,   1, FLAGS },
    { "red",        "set red scale",           OFFSET(redscale),    AV_OPT_TYPE_FLOAT,   {.dbl=0},  -100, 100, FLAGS },
    { "green",      "set green scale",         OFFSET(greenscale),  AV_OPT_TYPE_FLOAT,   {.dbl=-1}, -100, 100, FLAGS },
    { "blue",       "set blue scale",          OFFSET(bluescale),   AV_OPT_TYPE_FLOAT,   {.dbl=0},  -100, 100, FLAGS },
    { "brightness", "set brightness",          OFFSET(brightness),  AV_OPT_TYPE_FLOAT,   {.dbl=0},   -10,  10, FLAGS },
    { "alpha",      "change alpha component",  OFFSET(alpha),       AV_OPT_TYPE_BOOL,    {.i64=0},     0,   1, FLAGS },
    { NULL }
}

Definition at line 143 of file vf_despill.c.

ff_vf_despill

const AVFilter ff_vf_despill

Initial value:

= {
    .name          = "despill",
    .description   = NULL_IF_CONFIG_SMALL("Despill video."),
    .priv_size     = sizeof(DespillContext),
    .priv_class    = &despill_class,
    FILTER_INPUTS(despill_inputs),
    FILTER_OUTPUTS(despill_outputs),
    FILTER_PIXFMTS_ARRAY(pixel_fmts),
    .process_command = ff_filter_process_command,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
}

Definition at line 159 of file vf_despill.c.