FFmpeg  4.2.2
vf_neighbor.c
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1 /*
2  * Copyright (c) 2012-2013 Oka Motofumi (chikuzen.mo at gmail dot com)
3  * Copyright (c) 2015 Paul B Mahol
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/imgutils.h"
23 #include "libavutil/intreadwrite.h"
24 #include "libavutil/pixdesc.h"
25 #include "libavutil/opt.h"
26 #include "avfilter.h"
27 #include "formats.h"
28 #include "internal.h"
29 #include "video.h"
30 
31 typedef struct ThreadData {
32  AVFrame *in, *out;
33 } ThreadData;
34 
35 typedef struct NContext {
36  const AVClass *class;
37  int planeheight[4];
38  int planewidth[4];
39  int nb_planes;
40  int threshold[4];
42 
43  int depth;
44  int max;
45  int bpc;
46 
47  void (*filter)(uint8_t *dst, const uint8_t *p1, int width,
48  int threshold, const uint8_t *coordinates[], int coord,
49  int maxc);
50 } NContext;
51 
53 {
54  static const enum AVPixelFormat pix_fmts[] = {
73  };
74 
75  return ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
76 }
77 
78 static void erosion(uint8_t *dst, const uint8_t *p1, int width,
79  int threshold, const uint8_t *coordinates[], int coord,
80  int maxc)
81 {
82  int x, i;
83 
84  for (x = 0; x < width; x++) {
85  int min = p1[x];
86  int limit = FFMAX(min - threshold, 0);
87 
88  for (i = 0; i < 8; i++) {
89  if (coord & (1 << i)) {
90  min = FFMIN(min, *(coordinates[i] + x));
91  }
92  min = FFMAX(min, limit);
93  }
94 
95  dst[x] = min;
96  }
97 }
98 
99 static void erosion16(uint8_t *dstp, const uint8_t *p1, int width,
100  int threshold, const uint8_t *coordinates[], int coord,
101  int maxc)
102 {
103  uint16_t *dst = (uint16_t *)dstp;
104  int x, i;
105 
106  for (x = 0; x < width; x++) {
107  int min = AV_RN16A(&p1[2 * x]);
108  int limit = FFMAX(min - threshold, 0);
109 
110  for (i = 0; i < 8; i++) {
111  if (coord & (1 << i)) {
112  min = FFMIN(min, AV_RN16A(coordinates[i] + x * 2));
113  }
114  min = FFMAX(min, limit);
115  }
116 
117  dst[x] = min;
118  }
119 }
120 
121 static void dilation(uint8_t *dst, const uint8_t *p1, int width,
122  int threshold, const uint8_t *coordinates[], int coord,
123  int maxc)
124 {
125  int x, i;
126 
127  for (x = 0; x < width; x++) {
128  int max = p1[x];
129  int limit = FFMIN(max + threshold, 255);
130 
131  for (i = 0; i < 8; i++) {
132  if (coord & (1 << i)) {
133  max = FFMAX(max, *(coordinates[i] + x));
134  }
135  max = FFMIN(max, limit);
136  }
137 
138  dst[x] = max;
139  }
140 }
141 
142 static void dilation16(uint8_t *dstp, const uint8_t *p1, int width,
143  int threshold, const uint8_t *coordinates[], int coord,
144  int maxc)
145 {
146  uint16_t *dst = (uint16_t *)dstp;
147  int x, i;
148 
149  for (x = 0; x < width; x++) {
150  int max = AV_RN16A(&p1[x * 2]);
151  int limit = FFMIN(max + threshold, maxc);
152 
153  for (i = 0; i < 8; i++) {
154  if (coord & (1 << i)) {
155  max = FFMAX(max, AV_RN16A(coordinates[i] + x * 2));
156  }
157  max = FFMIN(max, limit);
158  }
159 
160  dst[x] = max;
161  }
162 }
163 
164 static void deflate(uint8_t *dst, const uint8_t *p1, int width,
165  int threshold, const uint8_t *coordinates[], int coord,
166  int maxc)
167 {
168  int x, i;
169 
170  for (x = 0; x < width; x++) {
171  int sum = 0;
172  int limit = FFMAX(p1[x] - threshold, 0);
173 
174  for (i = 0; i < 8; sum += *(coordinates[i++] + x));
175 
176  dst[x] = FFMAX(FFMIN(sum / 8, p1[x]), limit);
177  }
178 }
179 
180 static void deflate16(uint8_t *dstp, const uint8_t *p1, int width,
181  int threshold, const uint8_t *coordinates[], int coord,
182  int maxc)
183 {
184  uint16_t *dst = (uint16_t *)dstp;
185  int x, i;
186 
187  for (x = 0; x < width; x++) {
188  int sum = 0;
189  int limit = FFMAX(AV_RN16A(&p1[2 * x]) - threshold, 0);
190 
191  for (i = 0; i < 8; sum += AV_RN16A(coordinates[i++] + x * 2));
192 
193  dst[x] = FFMAX(FFMIN(sum / 8, AV_RN16A(&p1[2 * x])), limit);
194  }
195 }
196 
197 static void inflate(uint8_t *dst, const uint8_t *p1, int width,
198  int threshold, const uint8_t *coordinates[], int coord,
199  int maxc)
200 {
201  int x, i;
202 
203  for (x = 0; x < width; x++) {
204  int sum = 0;
205  int limit = FFMIN(p1[x] + threshold, 255);
206 
207  for (i = 0; i < 8; sum += *(coordinates[i++] + x));
208 
209  dst[x] = FFMIN(FFMAX(sum / 8, p1[x]), limit);
210  }
211 }
212 
213 static void inflate16(uint8_t *dstp, const uint8_t *p1, int width,
214  int threshold, const uint8_t *coordinates[], int coord,
215  int maxc)
216 {
217  uint16_t *dst = (uint16_t *)dstp;
218  int x, i;
219 
220  for (x = 0; x < width; x++) {
221  int sum = 0;
222  int limit = FFMIN(AV_RN16A(&p1[2 * x]) + threshold, maxc);
223 
224  for (i = 0; i < 8; sum += AV_RN16A(coordinates[i++] + x * 2));
225 
226  dst[x] = FFMIN(FFMAX(sum / 8, AV_RN16A(&p1[x * 2])), limit);
227  }
228 }
229 
231 {
232  AVFilterContext *ctx = inlink->dst;
233  NContext *s = ctx->priv;
235 
236  s->depth = desc->comp[0].depth;
237  s->max = (1 << s->depth) - 1;
238  s->bpc = (s->depth + 7) / 8;
239 
240  s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
241  s->planewidth[0] = s->planewidth[3] = inlink->w;
242  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
243  s->planeheight[0] = s->planeheight[3] = inlink->h;
244 
246 
247  if (!strcmp(ctx->filter->name, "erosion"))
248  s->filter = s->depth > 8 ? erosion16 : erosion;
249  else if (!strcmp(ctx->filter->name, "dilation"))
250  s->filter = s->depth > 8 ? dilation16 : dilation;
251  else if (!strcmp(ctx->filter->name, "deflate"))
252  s->filter = s->depth > 8 ? deflate16 : deflate;
253  else if (!strcmp(ctx->filter->name, "inflate"))
254  s->filter = s->depth > 8 ? inflate16 : inflate;
255 
256  return 0;
257 }
258 
259 static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
260 {
261  NContext *s = ctx->priv;
262  ThreadData *td = arg;
263  AVFrame *out = td->out;
264  AVFrame *in = td->in;
265  int plane, y;
266 
267  for (plane = 0; plane < s->nb_planes; plane++) {
268  const int bpc = s->bpc;
269  const int threshold = s->threshold[plane];
270  const int stride = in->linesize[plane];
271  const int dstride = out->linesize[plane];
272  const int height = s->planeheight[plane];
273  const int width = s->planewidth[plane];
274  const int slice_start = (height * jobnr) / nb_jobs;
275  const int slice_end = (height * (jobnr+1)) / nb_jobs;
276  const uint8_t *src = (const uint8_t *)in->data[plane] + slice_start * stride;
277  uint8_t *dst = out->data[plane] + slice_start * dstride;
278 
279  if (!threshold) {
280  av_image_copy_plane(dst, dstride, src, stride, width * bpc, slice_end - slice_start);
281  continue;
282  }
283 
284  for (y = slice_start; y < slice_end; y++) {
285  const int nh = y > 0;
286  const int ph = y < height - 1;
287  const uint8_t *coordinates[] = { src - nh * stride, src + 1 * bpc - nh * stride, src + 2 * bpc - nh * stride,
288  src, src + 2 * bpc,
289  src + ph * stride, src + 1 * bpc + ph * stride, src + 2 * bpc + ph * stride};
290 
291  const uint8_t *coordinateslb[] = { src + 1 * bpc - nh * stride, src - nh * stride, src + 1 * bpc - nh * stride,
292  src + 1 * bpc, src + 1 * bpc,
293  src + 1 * bpc + ph * stride, src + ph * stride, src + 1 * bpc + ph * stride};
294 
295  const uint8_t *coordinatesrb[] = { src + (width - 2) * bpc - nh * stride, src + (width - 1) * bpc - nh * stride, src + (width - 2) * bpc - nh * stride,
296  src + (width - 2) * bpc, src + (width - 2) * bpc,
297  src + (width - 2) * bpc + ph * stride, src + (width - 1) * bpc + ph * stride, src + (width - 2) * bpc + ph * stride};
298 
299  s->filter(dst, src, 1, threshold, coordinateslb, s->coordinates, s->max);
300  s->filter(dst + 1 * bpc, src + 1 * bpc, width - 2, threshold, coordinates, s->coordinates, s->max);
301  s->filter(dst + (width - 1) * bpc, src + (width - 1) * bpc, 1, threshold, coordinatesrb, s->coordinates, s->max);
302 
303  src += stride;
304  dst += dstride;
305  }
306  }
307 
308  return 0;
309 }
310 
312 {
313  AVFilterContext *ctx = inlink->dst;
314  AVFilterLink *outlink = ctx->outputs[0];
315  NContext *s = ctx->priv;
316  ThreadData td;
317  AVFrame *out;
318 
319  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
320  if (!out) {
321  av_frame_free(&in);
322  return AVERROR(ENOMEM);
323  }
324  av_frame_copy_props(out, in);
325 
326  td.in = in;
327  td.out = out;
329 
330  av_frame_free(&in);
331  return ff_filter_frame(outlink, out);
332 }
333 
334 static const AVFilterPad neighbor_inputs[] = {
335  {
336  .name = "default",
337  .type = AVMEDIA_TYPE_VIDEO,
338  .filter_frame = filter_frame,
339  .config_props = config_input,
340  },
341  { NULL }
342 };
343 
344 static const AVFilterPad neighbor_outputs[] = {
345  {
346  .name = "default",
347  .type = AVMEDIA_TYPE_VIDEO,
348  },
349  { NULL }
350 };
351 
352 #define OFFSET(x) offsetof(NContext, x)
353 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
354 
355 #define DEFINE_NEIGHBOR_FILTER(name_, description_) \
356 AVFILTER_DEFINE_CLASS(name_); \
357  \
358 AVFilter ff_vf_##name_ = { \
359  .name = #name_, \
360  .description = NULL_IF_CONFIG_SMALL(description_), \
361  .priv_size = sizeof(NContext), \
362  .priv_class = &name_##_class, \
363  .query_formats = query_formats, \
364  .inputs = neighbor_inputs, \
365  .outputs = neighbor_outputs, \
366  .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC| \
367  AVFILTER_FLAG_SLICE_THREADS, \
368 }
369 
370 #if CONFIG_EROSION_FILTER
371 
372 static const AVOption erosion_options[] = {
373  { "threshold0", "set threshold for 1st plane", OFFSET(threshold[0]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
374  { "threshold1", "set threshold for 2nd plane", OFFSET(threshold[1]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
375  { "threshold2", "set threshold for 3rd plane", OFFSET(threshold[2]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
376  { "threshold3", "set threshold for 4th plane", OFFSET(threshold[3]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
377  { "coordinates", "set coordinates", OFFSET(coordinates), AV_OPT_TYPE_INT, {.i64=255}, 0, 255, FLAGS },
378  { NULL }
379 };
380 
381 DEFINE_NEIGHBOR_FILTER(erosion, "Apply erosion effect.");
382 
383 #endif /* CONFIG_EROSION_FILTER */
384 
385 #if CONFIG_DILATION_FILTER
386 
387 static const AVOption dilation_options[] = {
388  { "threshold0", "set threshold for 1st plane", OFFSET(threshold[0]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
389  { "threshold1", "set threshold for 2nd plane", OFFSET(threshold[1]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
390  { "threshold2", "set threshold for 3rd plane", OFFSET(threshold[2]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
391  { "threshold3", "set threshold for 4th plane", OFFSET(threshold[3]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
392  { "coordinates", "set coordinates", OFFSET(coordinates), AV_OPT_TYPE_INT, {.i64=255}, 0, 255, FLAGS },
393  { NULL }
394 };
395 
396 DEFINE_NEIGHBOR_FILTER(dilation, "Apply dilation effect.");
397 
398 #endif /* CONFIG_DILATION_FILTER */
399 
400 #if CONFIG_DEFLATE_FILTER
401 
402 static const AVOption deflate_options[] = {
403  { "threshold0", "set threshold for 1st plane", OFFSET(threshold[0]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
404  { "threshold1", "set threshold for 2nd plane", OFFSET(threshold[1]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
405  { "threshold2", "set threshold for 3rd plane", OFFSET(threshold[2]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
406  { "threshold3", "set threshold for 4th plane", OFFSET(threshold[3]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
407  { NULL }
408 };
409 
410 DEFINE_NEIGHBOR_FILTER(deflate, "Apply deflate effect.");
411 
412 #endif /* CONFIG_DEFLATE_FILTER */
413 
414 #if CONFIG_INFLATE_FILTER
415 
416 static const AVOption inflate_options[] = {
417  { "threshold0", "set threshold for 1st plane", OFFSET(threshold[0]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
418  { "threshold1", "set threshold for 2nd plane", OFFSET(threshold[1]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
419  { "threshold2", "set threshold for 3rd plane", OFFSET(threshold[2]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
420  { "threshold3", "set threshold for 4th plane", OFFSET(threshold[3]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
421  { NULL }
422 };
423 
424 DEFINE_NEIGHBOR_FILTER(inflate, "Apply inflate effect.");
425 
426 #endif /* CONFIG_INFLATE_FILTER */
#define NULL
Definition: coverity.c:32
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:430
AVFrame * out
Definition: af_adeclick.c:488
int planewidth[4]
Definition: vf_neighbor.c:38
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:422
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2522
This structure describes decoded (raw) audio or video data.
Definition: frame.h:295
AVOption.
Definition: opt.h:246
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:424
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:397
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:407
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:425
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
misc image utilities
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2562
Main libavfilter public API header.
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:403
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:367
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:391
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:99
static void inflate16(uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
Definition: vf_neighbor.c:213
int stride
Definition: mace.c:144
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:283
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:368
const char * name
Pad name.
Definition: internal.h:60
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:369
static void erosion16(uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
Definition: vf_neighbor.c:99
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1080
static void filter(int16_t *output, ptrdiff_t out_stride, int16_t *low, ptrdiff_t low_stride, int16_t *high, ptrdiff_t high_stride, int len, int clip)
Definition: cfhd.c:153
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
AVOptions.
int threshold[4]
Definition: vf_neighbor.c:40
static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_neighbor.c:259
static void erosion(uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
Definition: vf_neighbor.c:78
static void deflate16(uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
Definition: vf_neighbor.c:180
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:421
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:402
int height
Definition: vf_avgblur.c:61
AVFrame * dst
Definition: vf_blend.c:55
int plane
Definition: vf_blend.c:57
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range...
Definition: pixfmt.h:100
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
static const AVFilterPad neighbor_outputs[]
Definition: vf_neighbor.c:344
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:400
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:392
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:429
#define FLAGS
Definition: vf_neighbor.c:353
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_neighbor.c:311
A filter pad used for either input or output.
Definition: internal.h:54
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:176
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:259
int ff_set_common_formats(AVFilterContext *ctx, AVFilterFormats *formats)
A helper for query_formats() which sets all links to the same list of formats.
Definition: formats.c:568
#define td
Definition: regdef.h:70
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
int nb_planes
Definition: vf_neighbor.c:39
BYTE * dstp
Definition: avisynth_c.h:908
#define AVERROR(e)
Definition: error.h:43
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:202
void * priv
private data for use by the filter
Definition: avfilter.h:353
#define OFFSET(x)
Definition: vf_neighbor.c:352
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:431
const char * arg
Definition: jacosubdec.c:66
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:408
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:390
#define FFMAX(a, b)
Definition: common.h:94
int coordinates
Definition: vf_neighbor.c:41
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:409
const uint8_t * src
Definition: vf_bm3d.c:56
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
static void dilation16(uint8_t *dstp, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
Definition: vf_neighbor.c:142
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:385
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:406
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:802
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:371
#define FFMIN(a, b)
Definition: common.h:96
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
AVFormatContext * ctx
Definition: movenc.c:48
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:426
if(ret< 0)
Definition: vf_mcdeint.c:279
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:386
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:405
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:398
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:395
typedef void(RENAME(mix_any_func_type))
void(* filter)(uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
Definition: vf_neighbor.c:47
Used for passing data between threads.
Definition: af_adeclick.c:487
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:326
static int query_formats(AVFilterContext *ctx)
Definition: vf_neighbor.c:52
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:177
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:370
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:387
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:72
Describe the class of an AVClass context structure.
Definition: log.h:67
static void inflate(uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
Definition: vf_neighbor.c:197
const char * name
Filter name.
Definition: avfilter.h:148
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:393
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:384
AVFilterLink ** outputs
array of pointers to output links
Definition: avfilter.h:350
AVFrame * min
Definition: vf_threshold.c:74
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:275
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:396
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:404
AVFilterInternal * internal
An opaque struct for libavfilter internal use.
Definition: avfilter.h:378
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:388
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:394
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:309
static int config_input(AVFilterLink *inlink)
Definition: vf_neighbor.c:230
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
Y , 8bpp.
Definition: pixfmt.h:74
int planeheight[4]
Definition: vf_neighbor.c:37
static const AVFilterPad neighbor_inputs[]
Definition: vf_neighbor.c:334
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:215
AVFrame * threshold
Definition: vf_threshold.c:73
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:423
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
#define DEFINE_NEIGHBOR_FILTER(name_, description_)
Definition: vf_neighbor.c:355
avfilter_execute_func * execute
Definition: internal.h:155
static void deflate(uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
Definition: vf_neighbor.c:164
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
Definition: mpeg12dec.c:2029
const AVPixFmtDescriptor * desc
Definition: vf_tonemap.c:196
int depth
Definition: vf_neighbor.c:43
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:258
#define AV_RN16A(p)
Definition: intreadwrite.h:522
An instance of a filter.
Definition: avfilter.h:338
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
AVFrame * in
Definition: af_afftdn.c:1082
void av_image_copy_plane(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int bytewidth, int height)
Copy image plane from src to dst.
Definition: imgutils.c:338
AVFilterLink * inlink
Definition: vf_blend.c:56
internal API functions
int depth
Number of bits in the component.
Definition: pixdesc.h:58
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
static void dilation(uint8_t *dst, const uint8_t *p1, int width, int threshold, const uint8_t *coordinates[], int coord, int maxc)
Definition: vf_neighbor.c:121
const AVFilter * filter
the AVFilter of which this is an instance
Definition: avfilter.h:341
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:399
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:654
AVFrame * max
Definition: vf_threshold.c:75
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58