FFmpeg
vf_yadif.c
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1 /*
2  * Copyright (C) 2006-2011 Michael Niedermayer <michaelni@gmx.at>
3  * 2010 James Darnley <james.darnley@gmail.com>
4 
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include "libavutil/common.h"
23 #include "libavutil/pixdesc.h"
24 #include "avfilter.h"
25 #include "internal.h"
26 #include "yadif.h"
27 
28 typedef struct ThreadData {
29  AVFrame *frame;
30  int plane;
31  int w, h;
32  int parity;
33  int tff;
34 } ThreadData;
35 
36 #define CHECK(j)\
37  { int score = FFABS(cur[mrefs - 1 + (j)] - cur[prefs - 1 - (j)])\
38  + FFABS(cur[mrefs +(j)] - cur[prefs -(j)])\
39  + FFABS(cur[mrefs + 1 + (j)] - cur[prefs + 1 - (j)]);\
40  if (score < spatial_score) {\
41  spatial_score= score;\
42  spatial_pred= (cur[mrefs +(j)] + cur[prefs -(j)])>>1;\
43 
44 /* The is_not_edge argument here controls when the code will enter a branch
45  * which reads up to and including x-3 and x+3. */
46 
47 #define FILTER(start, end, is_not_edge) \
48  for (x = start; x < end; x++) { \
49  int c = cur[mrefs]; \
50  int d = (prev2[0] + next2[0])>>1; \
51  int e = cur[prefs]; \
52  int temporal_diff0 = FFABS(prev2[0] - next2[0]); \
53  int temporal_diff1 =(FFABS(prev[mrefs] - c) + FFABS(prev[prefs] - e) )>>1; \
54  int temporal_diff2 =(FFABS(next[mrefs] - c) + FFABS(next[prefs] - e) )>>1; \
55  int diff = FFMAX3(temporal_diff0 >> 1, temporal_diff1, temporal_diff2); \
56  int spatial_pred = (c+e) >> 1; \
57  \
58  if (is_not_edge) {\
59  int spatial_score = FFABS(cur[mrefs - 1] - cur[prefs - 1]) + FFABS(c-e) \
60  + FFABS(cur[mrefs + 1] - cur[prefs + 1]) - 1; \
61  CHECK(-1) CHECK(-2) }} }} \
62  CHECK( 1) CHECK( 2) }} }} \
63  }\
64  \
65  if (!(mode&2)) { \
66  int b = (prev2[2 * mrefs] + next2[2 * mrefs])>>1; \
67  int f = (prev2[2 * prefs] + next2[2 * prefs])>>1; \
68  int max = FFMAX3(d - e, d - c, FFMIN(b - c, f - e)); \
69  int min = FFMIN3(d - e, d - c, FFMAX(b - c, f - e)); \
70  \
71  diff = FFMAX3(diff, min, -max); \
72  } \
73  \
74  if (spatial_pred > d + diff) \
75  spatial_pred = d + diff; \
76  else if (spatial_pred < d - diff) \
77  spatial_pred = d - diff; \
78  \
79  dst[0] = spatial_pred; \
80  \
81  dst++; \
82  cur++; \
83  prev++; \
84  next++; \
85  prev2++; \
86  next2++; \
87  }
88 
89 static void filter_line_c(void *dst1,
90  void *prev1, void *cur1, void *next1,
91  int w, int prefs, int mrefs, int parity, int mode)
92 {
93  uint8_t *dst = dst1;
94  uint8_t *prev = prev1;
95  uint8_t *cur = cur1;
96  uint8_t *next = next1;
97  int x;
98  uint8_t *prev2 = parity ? prev : cur ;
99  uint8_t *next2 = parity ? cur : next;
100 
101  /* The function is called with the pointers already pointing to data[3] and
102  * with 6 subtracted from the width. This allows the FILTER macro to be
103  * called so that it processes all the pixels normally. A constant value of
104  * true for is_not_edge lets the compiler ignore the if statement. */
105  FILTER(0, w, 1)
106 }
107 
108 #define MAX_ALIGN 8
109 static void filter_edges(void *dst1, void *prev1, void *cur1, void *next1,
110  int w, int prefs, int mrefs, int parity, int mode)
111 {
112  uint8_t *dst = dst1;
113  uint8_t *prev = prev1;
114  uint8_t *cur = cur1;
115  uint8_t *next = next1;
116  int x;
117  uint8_t *prev2 = parity ? prev : cur ;
118  uint8_t *next2 = parity ? cur : next;
119 
120  const int edge = MAX_ALIGN - 1;
121  int offset = FFMAX(w - edge, 3);
122 
123  /* Only edge pixels need to be processed here. A constant value of false
124  * for is_not_edge should let the compiler ignore the whole branch. */
125  FILTER(0, FFMIN(3, w), 0)
126 
127  dst = (uint8_t*)dst1 + offset;
128  prev = (uint8_t*)prev1 + offset;
129  cur = (uint8_t*)cur1 + offset;
130  next = (uint8_t*)next1 + offset;
131  prev2 = (uint8_t*)(parity ? prev : cur);
132  next2 = (uint8_t*)(parity ? cur : next);
133 
134  FILTER(offset, w - 3, 1)
135  offset = FFMAX(offset, w - 3);
136  FILTER(offset, w, 0)
137 }
138 
139 
140 static void filter_line_c_16bit(void *dst1,
141  void *prev1, void *cur1, void *next1,
142  int w, int prefs, int mrefs, int parity,
143  int mode)
144 {
145  uint16_t *dst = dst1;
146  uint16_t *prev = prev1;
147  uint16_t *cur = cur1;
148  uint16_t *next = next1;
149  int x;
150  uint16_t *prev2 = parity ? prev : cur ;
151  uint16_t *next2 = parity ? cur : next;
152  mrefs /= 2;
153  prefs /= 2;
154 
155  FILTER(0, w, 1)
156 }
157 
158 static void filter_edges_16bit(void *dst1, void *prev1, void *cur1, void *next1,
159  int w, int prefs, int mrefs, int parity, int mode)
160 {
161  uint16_t *dst = dst1;
162  uint16_t *prev = prev1;
163  uint16_t *cur = cur1;
164  uint16_t *next = next1;
165  int x;
166  uint16_t *prev2 = parity ? prev : cur ;
167  uint16_t *next2 = parity ? cur : next;
168 
169  const int edge = MAX_ALIGN / 2 - 1;
170  int offset = FFMAX(w - edge, 3);
171 
172  mrefs /= 2;
173  prefs /= 2;
174 
175  FILTER(0, FFMIN(3, w), 0)
176 
177  dst = (uint16_t*)dst1 + offset;
178  prev = (uint16_t*)prev1 + offset;
179  cur = (uint16_t*)cur1 + offset;
180  next = (uint16_t*)next1 + offset;
181  prev2 = (uint16_t*)(parity ? prev : cur);
182  next2 = (uint16_t*)(parity ? cur : next);
183 
184  FILTER(offset, w - 3, 1)
185  offset = FFMAX(offset, w - 3);
186  FILTER(offset, w, 0)
187 }
188 
189 static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
190 {
191  YADIFContext *s = ctx->priv;
192  ThreadData *td = arg;
193  int refs = s->cur->linesize[td->plane];
194  int df = (s->csp->comp[td->plane].depth + 7) / 8;
195  int pix_3 = 3 * df;
196  int slice_start = (td->h * jobnr ) / nb_jobs;
197  int slice_end = (td->h * (jobnr+1)) / nb_jobs;
198  int y;
199  int edge = 3 + MAX_ALIGN / df - 1;
200 
201  /* filtering reads 3 pixels to the left/right; to avoid invalid reads,
202  * we need to call the c variant which avoids this for border pixels
203  */
204  for (y = slice_start; y < slice_end; y++) {
205  if ((y ^ td->parity) & 1) {
206  uint8_t *prev = &s->prev->data[td->plane][y * refs];
207  uint8_t *cur = &s->cur ->data[td->plane][y * refs];
208  uint8_t *next = &s->next->data[td->plane][y * refs];
209  uint8_t *dst = &td->frame->data[td->plane][y * td->frame->linesize[td->plane]];
210  int mode = y == 1 || y + 2 == td->h ? 2 : s->mode;
211  s->filter_line(dst + pix_3, prev + pix_3, cur + pix_3,
212  next + pix_3, td->w - edge,
213  y + 1 < td->h ? refs : -refs,
214  y ? -refs : refs,
215  td->parity ^ td->tff, mode);
216  s->filter_edges(dst, prev, cur, next, td->w,
217  y + 1 < td->h ? refs : -refs,
218  y ? -refs : refs,
219  td->parity ^ td->tff, mode);
220  } else {
221  memcpy(&td->frame->data[td->plane][y * td->frame->linesize[td->plane]],
222  &s->cur->data[td->plane][y * refs], td->w * df);
223  }
224  }
225  return 0;
226 }
227 
228 static void filter(AVFilterContext *ctx, AVFrame *dstpic,
229  int parity, int tff)
230 {
231  YADIFContext *yadif = ctx->priv;
232  ThreadData td = { .frame = dstpic, .parity = parity, .tff = tff };
233  int i;
234 
235  for (i = 0; i < yadif->csp->nb_components; i++) {
236  int w = dstpic->width;
237  int h = dstpic->height;
238 
239  if (i == 1 || i == 2) {
240  w = AV_CEIL_RSHIFT(w, yadif->csp->log2_chroma_w);
241  h = AV_CEIL_RSHIFT(h, yadif->csp->log2_chroma_h);
242  }
243 
244 
245  td.w = w;
246  td.h = h;
247  td.plane = i;
248 
251  }
252 }
253 
254 static const enum AVPixelFormat pix_fmts[] = {
270 };
271 
272 static int config_output(AVFilterLink *outlink)
273 {
274  AVFilterContext *ctx = outlink->src;
275  YADIFContext *s = ctx->priv;
276  int ret;
277 
279  if (ret < 0)
280  return ret;
281 
282  s->csp = av_pix_fmt_desc_get(outlink->format);
283  s->filter = filter;
284  if (s->csp->comp[0].depth > 8) {
285  s->filter_line = filter_line_c_16bit;
286  s->filter_edges = filter_edges_16bit;
287  } else {
288  s->filter_line = filter_line_c;
289  s->filter_edges = filter_edges;
290  }
291 
292 #if ARCH_X86
294 #endif
295 
296  return 0;
297 }
298 
299 
300 static const AVClass yadif_class = {
301  .class_name = "yadif",
302  .item_name = av_default_item_name,
303  .option = ff_yadif_options,
304  .version = LIBAVUTIL_VERSION_INT,
305  .category = AV_CLASS_CATEGORY_FILTER,
306 };
307 
309  {
310  .name = "default",
311  .type = AVMEDIA_TYPE_VIDEO,
312  .filter_frame = ff_yadif_filter_frame,
313  },
314 };
315 
317  {
318  .name = "default",
319  .type = AVMEDIA_TYPE_VIDEO,
320  .request_frame = ff_yadif_request_frame,
321  .config_props = config_output,
322  },
323 };
324 
326  .name = "yadif",
327  .description = NULL_IF_CONFIG_SMALL("Deinterlace the input image."),
328  .priv_size = sizeof(YADIFContext),
329  .priv_class = &yadif_class,
335 };
ff_yadif_init_x86
av_cold void ff_yadif_init_x86(YADIFContext *yadif)
Definition: vf_yadif_init.c:50
td
#define td
Definition: regdef.h:70
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:71
df
#define df(A, B)
Definition: vf_xbr.c:90
av_pix_fmt_desc_get
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2965
FILTER_PIXFMTS_ARRAY
#define FILTER_PIXFMTS_ARRAY(array)
Definition: internal.h:162
filter_line_c_16bit
static void filter_line_c_16bit(void *dst1, void *prev1, void *cur1, void *next1, int w, int prefs, int mrefs, int parity, int mode)
Definition: vf_yadif.c:140
YADIFContext::csp
const AVPixFmtDescriptor * csp
Definition: yadif.h:76
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:374
pixdesc.h
AVFrame::width
int width
Definition: frame.h:446
w
uint8_t w
Definition: llviddspenc.c:38
ThreadData::tff
int tff
Definition: vf_bwdif.c:50
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:478
ThreadData::frame
AVFrame * frame
Definition: dsddec.c:72
ThreadData::w
int w
Definition: vf_blend.c:61
AV_PIX_FMT_YUV440P
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:106
FFMAX
#define FFMAX(a, b)
Definition: macros.h:47
AVFilter::name
const char * name
Filter name.
Definition: avfilter.h:170
ff_yadif_config_output_common
int ff_yadif_config_output_common(AVFilterLink *outlink)
Definition: yadif_common.c:218
AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:496
AV_PIX_FMT_GBRAP
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:212
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:494
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:476
AV_PIX_FMT_GRAY16
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:462
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: vf_yadif.c:254
AVFilterPad
A filter pad used for either input or output.
Definition: internal.h:33
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:481
avfilter_vf_yadif_inputs
static const AVFilterPad avfilter_vf_yadif_inputs[]
Definition: vf_yadif.c:308
AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:490
filter_slice
static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_yadif.c:189
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:86
ThreadData::plane
int plane
Definition: vf_blend.c:60
s
#define s(width, name)
Definition: cbs_vp9.c:198
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:108
AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:491
AV_CEIL_RSHIFT
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:59
MAX_ALIGN
#define MAX_ALIGN
Definition: vf_yadif.c:108
slice_end
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
Definition: mpeg12dec.c:1730
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:475
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:489
ctx
AVFormatContext * ctx
Definition: movenc.c:49
AVPixFmtDescriptor::log2_chroma_w
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:80
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:73
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: internal.h:182
ThreadData::h
int h
Definition: vf_blend.c:61
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:87
arg
const char * arg
Definition: jacosubdec.c:67
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:497
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
NULL
#define NULL
Definition: coverity.c:32
filter_line_c
static void filter_line_c(void *dst1, void *prev1, void *cur1, void *next1, int w, int prefs, int mrefs, int parity, int mode)
Definition: vf_yadif.c:89
AVPixFmtDescriptor::nb_components
uint8_t nb_components
The number of components each pixel has, (1-4)
Definition: pixdesc.h:71
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:85
av_default_item_name
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:237
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:479
AV_PIX_FMT_GRAY8
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:81
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:493
AV_CLASS_CATEGORY_FILTER
@ AV_CLASS_CATEGORY_FILTER
Definition: log.h:36
ff_yadif_options
const AVOption ff_yadif_options[]
Definition: yadif_common.c:271
yadif.h
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:94
ThreadData::parity
int parity
Definition: vf_bwdif.c:49
config_output
static int config_output(AVFilterLink *outlink)
Definition: vf_yadif.c:272
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:483
avfilter_vf_yadif_outputs
static const AVFilterPad avfilter_vf_yadif_outputs[]
Definition: vf_yadif.c:316
parity
mcdeint parity
Definition: vf_mcdeint.c:281
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:485
filter_edges
static void filter_edges(void *dst1, void *prev1, void *cur1, void *next1, int w, int prefs, int mrefs, int parity, int mode)
Definition: vf_yadif.c:109
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:174
offset
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf offset
Definition: writing_filters.txt:86
internal.h
FILTER
#define FILTER(start, end, is_not_edge)
Definition: vf_yadif.c:47
uninit
static void uninit(AVBSFContext *ctx)
Definition: pcm_rechunk.c:68
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:256
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:495
filter_edges_16bit
static void filter_edges_16bit(void *dst1, void *prev1, void *cur1, void *next1, int w, int prefs, int mrefs, int parity, int mode)
Definition: vf_yadif.c:158
common.h
ff_filter_get_nb_threads
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:827
ThreadData
Used for passing data between threads.
Definition: dsddec.c:71
YADIFContext
Definition: yadif.h:51
FFMIN
#define FFMIN(a, b)
Definition: macros.h:49
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:107
AVFilterPad::name
const char * name
Pad name.
Definition: internal.h:39
ff_vf_yadif
const AVFilter ff_vf_yadif
Definition: vf_yadif.c:325
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:477
AVFilter
Filter definition.
Definition: avfilter.h:166
ret
ret
Definition: filter_design.txt:187
AVClass::class_name
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:71
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:482
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:487
AVFrame::height
int height
Definition: frame.h:446
filter
static void filter(AVFilterContext *ctx, AVFrame *dstpic, int parity, int tff)
Definition: vf_yadif.c:228
mode
mode
Definition: ebur128.h:83
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:72
ff_yadif_request_frame
int ff_yadif_request_frame(AVFilterLink *link)
Definition: yadif_common.c:184
avfilter.h
slice_start
static int slice_start(SliceContext *sc, VVCContext *s, VVCFrameContext *fc, const CodedBitstreamUnit *unit, const int is_first_slice)
Definition: dec.c:699
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:78
AVFilterContext
An instance of a filter.
Definition: avfilter.h:407
AV_PIX_FMT_GBRP
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:165
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:117
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:77
ff_yadif_uninit
void ff_yadif_uninit(AVFilterContext *ctx)
Definition: yadif_common.c:256
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition: internal.h:183
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:80
yadif_class
static const AVClass yadif_class
Definition: vf_yadif.c:300
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:155
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:79
h
h
Definition: vp9dsp_template.c:2038
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:488
ff_filter_execute
static av_always_inline int ff_filter_execute(AVFilterContext *ctx, avfilter_action_func *func, void *arg, int *ret, int nb_jobs)
Definition: internal.h:134
AVPixFmtDescriptor::log2_chroma_h
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:89
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:173
ff_yadif_filter_frame
int ff_yadif_filter_frame(AVFilterLink *link, AVFrame *frame)
Definition: yadif_common.c:104
AV_PIX_FMT_YUV420P14
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:486