FFmpeg
Data Structures | Macros | Enumerations | Functions | Variables
vf_fillborders.c File Reference
#include "libavutil/avassert.h"
#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|AV_OPT_FLAG_RUNTIME_PARAM
 

Enumerations

enum  { Y, U, V, A }
 
enum  { R, G, B }
 
enum  FillMode {
  FM_SMEAR, FM_MIRROR, FM_FIXED, FM_REFLECT,
  FM_WRAP, FM_FADE, FM_MARGINS, FM_NB_MODES
}
 

Functions

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 void reflect_borders8 (FillBordersContext *s, AVFrame *frame)
 
static void reflect_borders16 (FillBordersContext *s, AVFrame *frame)
 
static void wrap_borders8 (FillBordersContext *s, AVFrame *frame)
 
static void wrap_borders16 (FillBordersContext *s, AVFrame *frame)
 
static int lerp8 (int fill, int src, int pos, int size)
 
static int lerp16 (int fill, int src, int pos, int size, int depth)
 
static void fade_borders8 (FillBordersContext *s, AVFrame *frame)
 
static void fade_borders16 (FillBordersContext *s, AVFrame *frame)
 
static void margins_borders8 (FillBordersContext *s, AVFrame *frame)
 
static void margins_borders16 (FillBordersContext *s, AVFrame *frame)
 
static int filter_frame (AVFilterLink *inlink, AVFrame *frame)
 
static int config_input (AVFilterLink *inlink)
 
static int process_command (AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
 
 AVFILTER_DEFINE_CLASS (fillborders)
 

Variables

static enum AVPixelFormat pix_fmts []
 
static const AVOption fillborders_options []
 
static const AVFilterPad fillborders_inputs []
 
static const AVFilterPad fillborders_outputs []
 
const AVFilter ff_vf_fillborders
 

Macro Definition Documentation

◆ OFFSET

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

Definition at line 678 of file vf_fillborders.c.

◆ FLAGS

Definition at line 679 of file vf_fillborders.c.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum
Enumerator

Definition at line 32 of file vf_fillborders.c.

◆ anonymous enum

anonymous enum
Enumerator

Definition at line 33 of file vf_fillborders.c.

◆ FillMode

enum FillMode
Enumerator
FM_SMEAR 
FM_MIRROR 
FM_FIXED 
FM_REFLECT 
FM_WRAP 
FM_FADE 
FM_MARGINS 
FM_NB_MODES 

Definition at line 35 of file vf_fillborders.c.

Function Documentation

◆ smear_borders8()

static void smear_borders8 ( FillBordersContext s,
AVFrame frame 
)
static

Definition at line 80 of file vf_fillborders.c.

Referenced by config_input().

◆ smear_borders16()

static void smear_borders16 ( FillBordersContext s,
AVFrame frame 
)
static

Definition at line 110 of file vf_fillborders.c.

Referenced by config_input().

◆ mirror_borders8()

static void mirror_borders8 ( FillBordersContext s,
AVFrame frame 
)
static

Definition at line 142 of file vf_fillborders.c.

Referenced by config_input().

◆ mirror_borders16()

static void mirror_borders16 ( FillBordersContext s,
AVFrame frame 
)
static

Definition at line 175 of file vf_fillborders.c.

Referenced by config_input().

◆ fixed_borders8()

static void fixed_borders8 ( FillBordersContext s,
AVFrame frame 
)
static

Definition at line 208 of file vf_fillborders.c.

Referenced by config_input().

◆ fixed_borders16()

static void fixed_borders16 ( FillBordersContext s,
AVFrame frame 
)
static

Definition at line 233 of file vf_fillborders.c.

Referenced by config_input().

◆ reflect_borders8()

static void reflect_borders8 ( FillBordersContext s,
AVFrame frame 
)
static

Definition at line 266 of file vf_fillborders.c.

Referenced by config_input().

◆ reflect_borders16()

static void reflect_borders16 ( FillBordersContext s,
AVFrame frame 
)
static

Definition at line 299 of file vf_fillborders.c.

Referenced by config_input().

◆ wrap_borders8()

static void wrap_borders8 ( FillBordersContext s,
AVFrame frame 
)
static

Definition at line 332 of file vf_fillborders.c.

Referenced by config_input().

◆ wrap_borders16()

static void wrap_borders16 ( FillBordersContext s,
AVFrame frame 
)
static

Definition at line 365 of file vf_fillborders.c.

Referenced by config_input().

◆ lerp8()

static int lerp8 ( int  fill,
int  src,
int  pos,
int  size 
)
static

Definition at line 398 of file vf_fillborders.c.

Referenced by fade_borders8().

◆ lerp16()

static int lerp16 ( int  fill,
int  src,
int  pos,
int  size,
int  depth 
)
static

Definition at line 403 of file vf_fillborders.c.

Referenced by fade_borders16().

◆ fade_borders8()

static void fade_borders8 ( FillBordersContext s,
AVFrame frame 
)
static

Definition at line 408 of file vf_fillborders.c.

Referenced by config_input().

◆ fade_borders16()

static void fade_borders16 ( FillBordersContext s,
AVFrame frame 
)
static

Definition at line 449 of file vf_fillborders.c.

Referenced by config_input().

◆ margins_borders8()

static void margins_borders8 ( FillBordersContext s,
AVFrame frame 
)
static

Definition at line 491 of file vf_fillborders.c.

Referenced by config_input().

◆ margins_borders16()

static void margins_borders16 ( FillBordersContext s,
AVFrame frame 
)
static

Definition at line 536 of file vf_fillborders.c.

Referenced by config_input().

◆ filter_frame()

static int filter_frame ( AVFilterLink inlink,
AVFrame frame 
)
static

Definition at line 584 of file vf_fillborders.c.

◆ config_input()

static int config_input ( AVFilterLink inlink)
static

Definition at line 593 of file vf_fillborders.c.

Referenced by process_command().

◆ process_command()

static int process_command ( AVFilterContext ctx,
const char *  cmd,
const char *  args,
char *  res,
int  res_len,
int  flags 
)
static

Definition at line 666 of file vf_fillborders.c.

◆ AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS ( fillborders  )

Variable Documentation

◆ pix_fmts

enum AVPixelFormat pix_fmts[]
static

◆ fillborders_options

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" },
{ "reflect",NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_REFLECT},0, 0, FLAGS, "mode" },
{ "wrap", NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_WRAP}, 0, 0, FLAGS, "mode" },
{ "fade", NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_FADE}, 0, 0, FLAGS, "mode" },
{ "margins",NULL, 0, AV_OPT_TYPE_CONST, {.i64=FM_MARGINS},0, 0, FLAGS, "mode" },
{ "color", "set the color for the fixed/fade mode", OFFSET(rgba_color), AV_OPT_TYPE_COLOR, {.str = "black"}, .flags = FLAGS },
{ NULL }
}

Definition at line 681 of file vf_fillborders.c.

◆ fillborders_inputs

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

Definition at line 700 of file vf_fillborders.c.

◆ fillborders_outputs

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

Definition at line 710 of file vf_fillborders.c.

◆ ff_vf_fillborders

const 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,
.process_command = process_command,
}

Definition at line 717 of file vf_fillborders.c.

AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:474
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
Definition: vf_fillborders.c:584
AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:453
FILTER_PIXFMTS_ARRAY
#define FILTER_PIXFMTS_ARRAY(array)
Definition: internal.h:170
AV_PIX_FMT_YUVA422P9
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:466
AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:473
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
FM_WRAP
@ FM_WRAP
Definition: vf_fillborders.c:35
AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:469
AV_PIX_FMT_GRAY9
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:411
AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:465
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_GRAY16
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:415
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
OFFSET
#define OFFSET(x)
Definition: vf_fillborders.c:678
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
process_command
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
Definition: vf_fillborders.c:666
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_GRAY14
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:414
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
FM_FADE
@ FM_FADE
Definition: vf_fillborders.c:35
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_GRAY10
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:412
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:450
NULL
#define NULL
Definition: coverity.c:32
FillBordersContext
Definition: vf_fillborders.c:41
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_OPT_TYPE_COLOR
@ AV_OPT_TYPE_COLOR
Definition: opt.h:240
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:432
FM_FIXED
@ FM_FIXED
Definition: vf_fillborders.c:35
AV_PIX_FMT_GRAY8
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:446
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
FLAGS
#define FLAGS
Definition: vf_fillborders.c:679
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
fillborders_outputs
static const AVFilterPad fillborders_outputs[]
Definition: vf_fillborders.c:710
FM_MIRROR
@ FM_MIRROR
Definition: vf_fillborders.c:35
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
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: vf_fillborders.c:58
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:430
AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:467
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:435
left
Tag MUST be and< 10hcoeff half pel interpolation filter coefficients, hcoeff[0] are the 2 middle coefficients[1] are the next outer ones and so on, resulting in a filter like:...eff[2], hcoeff[1], hcoeff[0], hcoeff[0], hcoeff[1], hcoeff[2] ... the sign of the coefficients is not explicitly stored but alternates after each coeff and coeff[0] is positive, so ...,+,-,+,-,+,+,-,+,-,+,... hcoeff[0] is not explicitly stored but found by subtracting the sum of all stored coefficients with signs from 32 hcoeff[0]=32 - hcoeff[1] - hcoeff[2] - ... a good choice for hcoeff and htaps is htaps=6 hcoeff={40,-10, 2} an alternative which requires more computations at both encoder and decoder side and may or may not be better is htaps=8 hcoeff={42,-14, 6,-2}ref_frames minimum of the number of available reference frames and max_ref_frames for example the first frame after a key frame always has ref_frames=1spatial_decomposition_type wavelet type 0 is a 9/7 symmetric compact integer wavelet 1 is a 5/3 symmetric compact integer wavelet others are reserved stored as delta from last, last is reset to 0 if always_reset||keyframeqlog quality(logarithmic quantizer scale) stored as delta from last, last is reset to 0 if always_reset||keyframemv_scale stored as delta from last, last is reset to 0 if always_reset||keyframe FIXME check that everything works fine if this changes between framesqbias dequantization bias stored as delta from last, last is reset to 0 if always_reset||keyframeblock_max_depth maximum depth of the block tree stored as delta from last, last is reset to 0 if always_reset||keyframequant_table quantization tableHighlevel bitstream structure:==============================--------------------------------------------|Header|--------------------------------------------|------------------------------------|||Block0||||split?||||yes no||||......... intra?||||:Block01 :yes no||||:Block02 :....... ..........||||:Block03 ::y DC ::ref index:||||:Block04 ::cb DC ::motion x :||||......... :cr DC ::motion y :||||....... ..........|||------------------------------------||------------------------------------|||Block1|||...|--------------------------------------------|------------ ------------ ------------|||Y subbands||Cb subbands||Cr subbands||||--- ---||--- ---||--- ---|||||LL0||HL0||||LL0||HL0||||LL0||HL0|||||--- ---||--- ---||--- ---||||--- ---||--- ---||--- ---|||||LH0||HH0||||LH0||HH0||||LH0||HH0|||||--- ---||--- ---||--- ---||||--- ---||--- ---||--- ---|||||HL1||LH1||||HL1||LH1||||HL1||LH1|||||--- ---||--- ---||--- ---||||--- ---||--- ---||--- ---|||||HH1||HL2||||HH1||HL2||||HH1||HL2|||||...||...||...|||------------ ------------ ------------|--------------------------------------------Decoding process:=================------------|||Subbands|------------||||------------|Intra DC||||LL0 subband prediction ------------|\ Dequantization ------------------- \||Reference frames|\ IDWT|------- -------|Motion \|||Frame 0||Frame 1||Compensation . OBMC v -------|------- -------|--------------. \------> Frame n output Frame Frame<----------------------------------/|...|------------------- Range Coder:============Binary Range Coder:------------------- The implemented range coder is an adapted version based upon "Range encoding: an algorithm for removing redundancy from a digitised message." by G. N. N. Martin. The symbols encoded by the Snow range coder are bits(0|1). The associated probabilities are not fix but change depending on the symbol mix seen so far. bit seen|new state ---------+----------------------------------------------- 0|256 - state_transition_table[256 - old_state];1|state_transition_table[old_state];state_transition_table={ 0, 0, 0, 0, 0, 0, 0, 0, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 190, 191, 192, 194, 194, 195, 196, 197, 198, 199, 200, 201, 202, 202, 204, 205, 206, 207, 208, 209, 209, 210, 211, 212, 213, 215, 215, 216, 217, 218, 219, 220, 220, 222, 223, 224, 225, 226, 227, 227, 229, 229, 230, 231, 232, 234, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 248, 0, 0, 0, 0, 0, 0, 0};FIXME Range Coding of integers:------------------------- FIXME Neighboring Blocks:===================left and top are set to the respective blocks unless they are outside of the image in which case they are set to the Null block top-left is set to the top left block unless it is outside of the image in which case it is set to the left block if this block has no larger parent block or it is at the left side of its parent block and the top right block is not outside of the image then the top right block is used for top-right else the top-left block is used Null block y, cb, cr are 128 level, ref, mx and my are 0 Motion Vector Prediction:=========================1. the motion vectors of all the neighboring blocks are scaled to compensate for the difference of reference frames scaled_mv=(mv *(256 *(current_reference+1)/(mv.reference+1))+128)> the median of the scaled left
Definition: snow.txt:386
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:440
FM_REFLECT
@ FM_REFLECT
Definition: vf_fillborders.c:35
FM_SMEAR
@ FM_SMEAR
Definition: vf_fillborders.c:35
mode
mode
Definition: ebur128.h:83
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
FM_NB_MODES
@ FM_NB_MODES
Definition: vf_fillborders.c:35
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
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_fillborders.c:593
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
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
FM_MARGINS
@ FM_MARGINS
Definition: vf_fillborders.c:35
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
fillborders_inputs
static const AVFilterPad fillborders_inputs[]
Definition: vf_fillborders.c:700
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_PIX_FMT_GRAY12
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:413
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
AVFILTERPAD_FLAG_NEEDS_WRITABLE
#define AVFILTERPAD_FLAG_NEEDS_WRITABLE
The filter expects writable frames from its input link, duplicating data buffers if needed.
Definition: internal.h:68