FFmpeg
Data Structures | Macros | Enumerations | Functions | Variables
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 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 enum AVPixelFormat pix_fmts []
 
static const AVFilterPad displace_inputs []
 
static const AVFilterPad displace_outputs []
 
const AVFilter ff_vf_displace
 

Macro Definition Documentation

◆ OFFSET

#define OFFSET (   x)    offsetof(DisplaceContext, x)

Definition at line 52 of file vf_displace.c.

◆ FLAGS

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  )

◆ displace_planar()

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

Definition at line 79 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 155 of file vf_displace.c.

Referenced by config_input().

◆ process_frame()

static int process_frame ( FFFrameSync fs)
static

Definition at line 238 of file vf_displace.c.

Referenced by config_output().

◆ config_input()

static int config_input ( AVFilterLink inlink)
static

Definition at line 268 of file vf_displace.c.

◆ config_output()

static int config_output ( AVFilterLink outlink)
static

Definition at line 299 of file vf_displace.c.

◆ activate()

static int activate ( AVFilterContext ctx)
static

Definition at line 354 of file vf_displace.c.

◆ uninit()

static av_cold void uninit ( AVFilterContext ctx)
static

Definition at line 360 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.

◆ pix_fmts

enum AVPixelFormat pix_fmts[]
static

◆ displace_inputs

const AVFilterPad displace_inputs[]
static
Initial value:
= {
{
.name = "source",
.config_props = config_input,
},
{
.name = "xmap",
},
{
.name = "ymap",
},
}

Definition at line 367 of file vf_displace.c.

◆ displace_outputs

const AVFilterPad displace_outputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = config_output,
},
}

Definition at line 383 of file vf_displace.c.

◆ ff_vf_displace

const AVFilter ff_vf_displace
Initial value:
= {
.name = "displace",
.description = NULL_IF_CONFIG_SMALL("Displace pixels."),
.priv_size = sizeof(DisplaceContext),
.priv_class = &displace_class,
}

Definition at line 391 of file vf_displace.c.

FILTER_PIXFMTS_ARRAY
#define FILTER_PIXFMTS_ARRAY(array)
Definition: internal.h:170
AV_PIX_FMT_BGR24
@ AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:69
AV_PIX_FMT_BGRA
@ AV_PIX_FMT_BGRA
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:95
AV_PIX_FMT_YUV440P
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
AV_PIX_FMT_GBRAP
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:205
DisplaceContext
Definition: vf_displace.c:38
AV_PIX_FMT_YUVJ411P
@ AV_PIX_FMT_YUVJ411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:276
AV_PIX_FMT_YUVJ422P
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
AV_PIX_FMT_YUVA420P
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
AV_PIX_FMT_YUV420P
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
displace_inputs
static const AVFilterPad displace_inputs[]
Definition: vf_displace.c:367
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: internal.h:190
AV_PIX_FMT_RGBA
@ AV_PIX_FMT_RGBA
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:93
AV_PIX_FMT_YUVJ444P
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: vf_displace.c:66
NULL
#define NULL
Definition: coverity.c:32
displace_outputs
static const AVFilterPad displace_outputs[]
Definition: vf_displace.c:383
AV_PIX_FMT_YUVJ420P
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
EDGE_MIRROR
@ EDGE_MIRROR
Definition: vf_displace.c:34
activate
static int activate(AVFilterContext *ctx)
Definition: vf_displace.c:354
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_displace.c:268
EDGE_SMEAR
@ EDGE_SMEAR
Definition: vf_displace.c:32
AV_PIX_FMT_BGR0
@ AV_PIX_FMT_BGR0
packed BGR 8:8:8, 32bpp, BGRXBGRX... X=unused/undefined
Definition: pixfmt.h:258
AV_PIX_FMT_GRAY8
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
AV_PIX_FMT_ABGR
@ AV_PIX_FMT_ABGR
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition: pixfmt.h:94
EDGE_NB
@ EDGE_NB
Definition: vf_displace.c:35
FLAGS
#define FLAGS
Definition: vf_displace.c:53
AV_PIX_FMT_RGB24
@ AV_PIX_FMT_RGB24
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:68
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:115
EDGE_WRAP
@ EDGE_WRAP
Definition: vf_displace.c:33
AV_PIX_FMT_YUVA444P
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:167
AV_PIX_FMT_RGB0
@ AV_PIX_FMT_RGB0
packed RGB 8:8:8, 32bpp, RGBXRGBX... X=unused/undefined
Definition: pixfmt.h:256
AV_PIX_FMT_ARGB
@ AV_PIX_FMT_ARGB
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition: pixfmt.h:92
config_output
static int config_output(AVFilterLink *outlink)
Definition: vf_displace.c:299
AV_PIX_FMT_YUVJ440P
@ AV_PIX_FMT_YUVJ440P
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range
Definition: pixfmt.h:100
EDGE_BLANK
@ EDGE_BLANK
Definition: vf_displace.c:31
AV_PIX_FMT_0BGR
@ AV_PIX_FMT_0BGR
packed BGR 8:8:8, 32bpp, XBGRXBGR... X=unused/undefined
Definition: pixfmt.h:257
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
AV_PIX_FMT_YUV444P
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
AV_PIX_FMT_GBRP
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:158
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
OFFSET
#define OFFSET(x)
Definition: vf_displace.c:52
AV_PIX_FMT_YUV422P
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition: internal.h:191
AV_PIX_FMT_YUV411P
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
#define AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will have its filter_frame() c...
Definition: avfilter.h:160
AV_PIX_FMT_0RGB
@ AV_PIX_FMT_0RGB
packed RGB 8:8:8, 32bpp, XRGBXRGB... X=unused/undefined
Definition: pixfmt.h:255
AV_PIX_FMT_YUV410P
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
uninit
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_displace.c:360
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
AV_PIX_FMT_YUVA422P
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:166