vf_displace.c File Reference

#include "libavutil/imgutils.h"
#include "libavutil/pixdesc.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "formats.h"
#include "framesync.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	DisplaceContext

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

Enumerations
enum	EdgeMode {   EDGE_BLANK, EDGE_SMEAR, EDGE_WRAP, EDGE_MIRROR,   EDGE_NB }

Functions
	AVFILTER_DEFINE_CLASS (displace)
static int	query_formats (AVFilterContext *ctx)
static void	displace_planar (DisplaceContext *s, const AVFrame *in, const AVFrame *xpic, const AVFrame *ypic, AVFrame *out)
static void	displace_packed (DisplaceContext *s, const AVFrame *in, const AVFrame *xpic, const AVFrame *ypic, AVFrame *out)
static int	process_frame (FFFrameSync *fs)
static int	config_input (AVFilterLink *inlink)
static int	config_output (AVFilterLink *outlink)
static int	activate (AVFilterContext *ctx)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	displace_options []
static const AVFilterPad	displace_inputs []
static const AVFilterPad	displace_outputs []
AVFilter	ff_vf_displace

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(DisplaceContext, x)

Definition at line 52 of file vf_displace.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 53 of file vf_displace.c.

Enumeration Type Documentation

EdgeMode

enum EdgeMode

Enumerator
EDGE_BLANK
EDGE_SMEAR
EDGE_WRAP
EDGE_MIRROR
EDGE_NB

Definition at line 30 of file vf_displace.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

displace

)

query_formats()

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 66 of file vf_displace.c.

displace_planar()

static void displace_planar ( DisplaceContext *  s, const AVFrame *  in, const AVFrame *  xpic, const AVFrame *  ypic, AVFrame *  out  )

static

Definition at line 84 of file vf_displace.c.

Referenced by config_input().

displace_packed()

static void displace_packed ( DisplaceContext *  s, const AVFrame *  in, const AVFrame *  xpic, const AVFrame *  ypic, AVFrame *  out  )

static

Definition at line 160 of file vf_displace.c.

Referenced by config_input().

process_frame()

static int process_frame ( FFFrameSync *  fs )

static

Definition at line 243 of file vf_displace.c.

Referenced by config_output().

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 273 of file vf_displace.c.

config_output()

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 304 of file vf_displace.c.

activate()

static int activate ( AVFilterContext *  ctx )

static

Definition at line 362 of file vf_displace.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 368 of file vf_displace.c.

Variable Documentation

displace_options

const AVOption displace_options[]

static

Initial value:

= {
    { "edge", "set edge mode", OFFSET(edge), AV_OPT_TYPE_INT, {.i64=EDGE_SMEAR}, 0, EDGE_NB-1, FLAGS, "edge" },
    {   "blank",   "", 0, AV_OPT_TYPE_CONST, {.i64=EDGE_BLANK},  0, 0, FLAGS, "edge" },
    {   "smear",   "", 0, AV_OPT_TYPE_CONST, {.i64=EDGE_SMEAR},  0, 0, FLAGS, "edge" },
    {   "wrap" ,   "", 0, AV_OPT_TYPE_CONST, {.i64=EDGE_WRAP},   0, 0, FLAGS, "edge" },
    {   "mirror" , "", 0, AV_OPT_TYPE_CONST, {.i64=EDGE_MIRROR}, 0, 0, FLAGS, "edge" },
    { NULL }
}

Definition at line 55 of file vf_displace.c.

displace_inputs

const AVFilterPad displace_inputs[]

static

Initial value:

= {
    {
        .name         = "source",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = config_input,
    },
    {
        .name         = "xmap",
        .type         = AVMEDIA_TYPE_VIDEO,
    },
    {
        .name         = "ymap",
        .type         = AVMEDIA_TYPE_VIDEO,
    },
    { NULL }
}

Definition at line 375 of file vf_displace.c.

displace_outputs

const AVFilterPad displace_outputs[]

static

Initial value:

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

Definition at line 392 of file vf_displace.c.

ff_vf_displace

AVFilter ff_vf_displace

Initial value:

= {
    .name          = "displace",
    .description   = NULL_IF_CONFIG_SMALL("Displace pixels."),
    .priv_size     = sizeof(DisplaceContext),
    .uninit        = uninit,
    .query_formats = query_formats,
    .activate      = activate,
    .inputs        = displace_inputs,
    .outputs       = displace_outputs,
    .priv_class    = &displace_class,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
}

Definition at line 401 of file vf_displace.c.