FFmpeg
Data Structures | Macros | Functions | Variables
vf_chromashift.c File Reference
#include "libavutil/avstring.h"
#include "libavutil/eval.h"
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures

struct  ChromaShiftContext
 

Macros

#define DEFINE_SMEAR(depth, type, div)
 
#define DEFINE_WRAP(depth, type, div)
 
#define DEFINE_RGBASMEAR(depth, type, div)
 
#define DEFINE_RGBAWRAP(depth, type, div)
 
#define OFFSET(x)   offsetof(ChromaShiftContext, x)
 
#define VFR   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM
 

Functions

static int filter_frame (AVFilterLink *inlink, AVFrame *in)
 
static int config_input (AVFilterLink *inlink)
 
 AVFILTER_DEFINE_CLASS (chromashift)
 
 AVFILTER_DEFINE_CLASS (rgbashift)
 

Variables

static const AVOption chromashift_options []
 
static const AVFilterPad inputs []
 
static const AVFilterPad outputs []
 
static enum AVPixelFormat yuv_pix_fmts []
 
const AVFilter ff_vf_chromashift
 
static enum AVPixelFormat rgb_pix_fmts []
 
static const AVOption rgbashift_options []
 
const AVFilter ff_vf_rgbashift
 

Macro Definition Documentation

◆ DEFINE_SMEAR

#define DEFINE_SMEAR (   depth,
  type,
  div 
)

Definition at line 55 of file vf_chromashift.c.

◆ DEFINE_WRAP

#define DEFINE_WRAP (   depth,
  type,
  div 
)

Definition at line 97 of file vf_chromashift.c.

◆ DEFINE_RGBASMEAR

#define DEFINE_RGBASMEAR (   depth,
  type,
  div 
)

Definition at line 152 of file vf_chromashift.c.

◆ DEFINE_RGBAWRAP

#define DEFINE_RGBAWRAP (   depth,
  type,
  div 
)

Definition at line 219 of file vf_chromashift.c.

◆ OFFSET

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

Definition at line 362 of file vf_chromashift.c.

◆ VFR

Definition at line 363 of file vf_chromashift.c.

Function Documentation

◆ filter_frame()

static int filter_frame ( AVFilterLink inlink,
AVFrame in 
)
static

Definition at line 308 of file vf_chromashift.c.

◆ config_input()

static int config_input ( AVFilterLink inlink)
static

Definition at line 338 of file vf_chromashift.c.

◆ AVFILTER_DEFINE_CLASS() [1/2]

AVFILTER_DEFINE_CLASS ( chromashift  )

◆ AVFILTER_DEFINE_CLASS() [2/2]

AVFILTER_DEFINE_CLASS ( rgbashift  )

Variable Documentation

◆ chromashift_options

const AVOption chromashift_options[]
static
Initial value:
= {
{ "cbh", "shift chroma-blue horizontally", OFFSET(cbh), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
{ "cbv", "shift chroma-blue vertically", OFFSET(cbv), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
{ "crh", "shift chroma-red horizontally", OFFSET(crh), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
{ "crv", "shift chroma-red vertically", OFFSET(crv), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
{ "edge", "set edge operation", OFFSET(edge), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, .flags = VFR, "edge" },
{ "smear", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, .flags = VFR, "edge" },
{ "wrap", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, .flags = VFR, "edge" },
{ NULL },
}

Definition at line 365 of file vf_chromashift.c.

◆ inputs

const AVFilterPad inputs[]
static
Initial value:
= {
{
.name = "default",
.filter_frame = filter_frame,
.config_props = config_input,
},
}

Definition at line 376 of file vf_chromashift.c.

◆ outputs

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

Definition at line 385 of file vf_chromashift.c.

◆ yuv_pix_fmts

enum AVPixelFormat yuv_pix_fmts[]
static

◆ ff_vf_chromashift

const AVFilter ff_vf_chromashift
Initial value:
= {
.name = "chromashift",
.description = NULL_IF_CONFIG_SMALL("Shift chroma."),
.priv_size = sizeof(ChromaShiftContext),
.priv_class = &chromashift_class,
.process_command = ff_filter_process_command,
}

Definition at line 409 of file vf_chromashift.c.

◆ rgb_pix_fmts

enum AVPixelFormat rgb_pix_fmts[]
static

◆ rgbashift_options

const AVOption rgbashift_options[]
static
Initial value:
= {
{ "rh", "shift red horizontally", OFFSET(rh), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
{ "rv", "shift red vertically", OFFSET(rv), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
{ "gh", "shift green horizontally", OFFSET(gh), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
{ "gv", "shift green vertically", OFFSET(gv), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
{ "bh", "shift blue horizontally", OFFSET(bh), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
{ "bv", "shift blue vertically", OFFSET(bv), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
{ "ah", "shift alpha horizontally", OFFSET(ah), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
{ "av", "shift alpha vertically", OFFSET(av), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
{ "edge", "set edge operation", OFFSET(edge), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, .flags = VFR, "edge" },
{ "smear", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, .flags = VFR, "edge" },
{ "wrap", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, .flags = VFR, "edge" },
{ NULL },
}

Definition at line 429 of file vf_chromashift.c.

◆ ff_vf_rgbashift

const AVFilter ff_vf_rgbashift
Initial value:
= {
.name = "rgbashift",
.description = NULL_IF_CONFIG_SMALL("Shift RGBA."),
.priv_size = sizeof(ChromaShiftContext),
.priv_class = &rgbashift_class,
.process_command = ff_filter_process_command,
}

Definition at line 446 of file vf_chromashift.c.

AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:474
AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:453
ChromaShiftContext
Definition: vf_chromashift.c:33
FILTER_PIXFMTS_ARRAY
#define FILTER_PIXFMTS_ARRAY(array)
Definition: internal.h:170
yuv_pix_fmts
static enum AVPixelFormat yuv_pix_fmts[]
Definition: vf_chromashift.c:392
AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:473
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_chromashift.c:338
AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:468
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:431
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_YUVA422P10
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:469
AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:449
AV_PIX_FMT_GBRAP
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:205
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:447
AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:475
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:429
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:434
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:248
AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:443
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_GBRAP10
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:451
AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:452
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_YUV444P16
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:444
AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:472
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:428
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:442
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
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: internal.h:190
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
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:450
NULL
#define NULL
Definition: coverity.c:32
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
AV_PIX_FMT_YUV440P10
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:433
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:432
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:446
OFFSET
#define OFFSET(x)
Definition: vf_chromashift.c:362
rgb_pix_fmts
static enum AVPixelFormat rgb_pix_fmts[]
Definition: vf_chromashift.c:421
inputs
static const AVFilterPad inputs[]
Definition: vf_chromashift.c:376
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
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:436
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:438
ff_filter_process_command
int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Generic processing of user supplied commands that are set in the same way as the filter options.
Definition: avfilter.c:873
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_YUVA444P10
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:470
AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
Definition: avfilter.h:152
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:448
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
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:430
VFR
#define VFR
Definition: vf_chromashift.c:363
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:435
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:440
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
AV_PIX_FMT_YUVA422P12
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:471
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_chromashift.c:308
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
AVFILTER_FLAG_SLICE_THREADS
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:127
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
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
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
AV_PIX_FMT_YUV440P12
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:437
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:441
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
AV_PIX_FMT_YUV420P14
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:439
outputs
static const AVFilterPad outputs[]
Definition: vf_chromashift.c:385