vf_fillborders.c File Reference

#include "libavutil/colorspace.h"
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "drawutils.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	Borders
struct	FillBordersContext

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

Enumerations
enum	{ Y, U, V, A }
enum	{ R, G, B }
enum	FillMode { FM_SMEAR, FM_MIRROR, FM_FIXED, FM_NB_MODES }

Functions
static int	query_formats (AVFilterContext *ctx)
static void	smear_borders8 (FillBordersContext *s, AVFrame *frame)
static void	smear_borders16 (FillBordersContext *s, AVFrame *frame)
static void	mirror_borders8 (FillBordersContext *s, AVFrame *frame)
static void	mirror_borders16 (FillBordersContext *s, AVFrame *frame)
static void	fixed_borders8 (FillBordersContext *s, AVFrame *frame)
static void	fixed_borders16 (FillBordersContext *s, AVFrame *frame)
static int	filter_frame (AVFilterLink *inlink, AVFrame *frame)
static int	config_input (AVFilterLink *inlink)
	AVFILTER_DEFINE_CLASS (fillborders)

Variables
static const AVOption	fillborders_options []
static const AVFilterPad	fillborders_inputs []
static const AVFilterPad	fillborders_outputs []
AVFilter	ff_vf_fillborders

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(FillBordersContext, x)

Definition at line 348 of file vf_fillborders.c.

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 349 of file vf_fillborders.c.

Enumeration Type Documentation

anonymous enum

Enumerator
Y
U
V
A

Definition at line 31 of file vf_fillborders.c.

anonymous enum

Enumerator
R
G
B

Definition at line 32 of file vf_fillborders.c.

enum FillMode

Enumerator
FM_SMEAR
FM_MIRROR
FM_FIXED
FM_NB_MODES

Definition at line 34 of file vf_fillborders.c.

Function Documentation

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 57 of file vf_fillborders.c.

static void smear_borders8 ( FillBordersContext *  s, AVFrame *  frame  )

static

Definition at line 85 of file vf_fillborders.c.

Referenced by config_input().

static void smear_borders16 ( FillBordersContext *  s, AVFrame *  frame  )

static

Definition at line 115 of file vf_fillborders.c.

Referenced by config_input().

static void mirror_borders8 ( FillBordersContext *  s, AVFrame *  frame  )

static

Definition at line 147 of file vf_fillborders.c.

Referenced by config_input().

static void mirror_borders16 ( FillBordersContext *  s, AVFrame *  frame  )

static

Definition at line 180 of file vf_fillborders.c.

Referenced by config_input().

static void fixed_borders8 ( FillBordersContext *  s, AVFrame *  frame  )

static

Definition at line 213 of file vf_fillborders.c.

Referenced by config_input().

static void fixed_borders16 ( FillBordersContext *  s, AVFrame *  frame  )

static

Definition at line 238 of file vf_fillborders.c.

Referenced by config_input().

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

static

Definition at line 271 of file vf_fillborders.c.

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 280 of file vf_fillborders.c.

AVFILTER_DEFINE_CLASS

(

fillborders

)

Variable Documentation

const AVOption fillborders_options[]

static

Initial value:

= {
    { "left",   "set the left fill border",   OFFSET(left),   AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX,    FLAGS },
    { "right",  "set the right fill border",  OFFSET(right),  AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX,    FLAGS },
    { "top",    "set the top fill border",    OFFSET(top),    AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX,    FLAGS },
    { "bottom", "set the bottom fill border", OFFSET(bottom), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX,    FLAGS },
    { "mode",   "set the fill borders mode",  OFFSET(mode),   AV_OPT_TYPE_INT, {.i64=FM_SMEAR}, 0, FM_NB_MODES-1, FLAGS, "mode" },
        { "smear",  NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_SMEAR},  0, 0, FLAGS, "mode" },
        { "mirror", NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_MIRROR}, 0, 0, FLAGS, "mode" },
        { "fixed",  NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_FIXED},  0, 0, FLAGS, "mode" },
    { "color",  "set the color for the fixed mode", OFFSET(rgba_color), AV_OPT_TYPE_COLOR, {.str = "black"}, .flags = FLAGS },
    { NULL }
}

Definition at line 351 of file vf_fillborders.c.

const AVFilterPad fillborders_inputs[]

static

Initial value:

= {
    {
        .name           = "default",
        .type           = AVMEDIA_TYPE_VIDEO,
        .config_props   = config_input,
        .filter_frame   = filter_frame,
        .needs_writable = 1,
    },
    { NULL }
}

Definition at line 366 of file vf_fillborders.c.

const AVFilterPad fillborders_outputs[]

static

Initial value:

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

Definition at line 377 of file vf_fillborders.c.

AVFilter ff_vf_fillborders

Initial value:

= {
    .name          = "fillborders",
    .description   = NULL_IF_CONFIG_SMALL("Fill borders of the input video."),
    .priv_size     = sizeof(FillBordersContext),
    .priv_class    = &fillborders_class,
    .query_formats = query_formats,
    .inputs        = fillborders_inputs,
    .outputs       = fillborders_outputs,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
}

Definition at line 385 of file vf_fillborders.c.