FFmpeg  4.3.8
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[] = {
74  };
75 
76  return ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
77 }
78 
79 static void erosion(uint8_t *dst, const uint8_t *p1, int width,
80  int threshold, const uint8_t *coordinates[], int coord,
81  int maxc)
82 {
83  int x, i;
84 
85  for (x = 0; x < width; x++) {
86  int min = p1[x];
87  int limit = FFMAX(min - threshold, 0);
88 
89  for (i = 0; i < 8; i++) {
90  if (coord & (1 << i)) {
91  min = FFMIN(min, *(coordinates[i] + x));
92  }
93  min = FFMAX(min, limit);
94  }
95 
96  dst[x] = min;
97  }
98 }
99 
100 static void erosion16(uint8_t *dstp, const uint8_t *p1, int width,
101  int threshold, const uint8_t *coordinates[], int coord,
102  int maxc)
103 {
104  uint16_t *dst = (uint16_t *)dstp;
105  int x, i;
106 
107  for (x = 0; x < width; x++) {
108  int min = AV_RN16A(&p1[2 * x]);
109  int limit = FFMAX(min - threshold, 0);
110 
111  for (i = 0; i < 8; i++) {
112  if (coord & (1 << i)) {
113  min = FFMIN(min, AV_RN16A(coordinates[i] + x * 2));
114  }
115  min = FFMAX(min, limit);
116  }
117 
118  dst[x] = min;
119  }
120 }
121 
122 static void dilation(uint8_t *dst, const uint8_t *p1, int width,
123  int threshold, const uint8_t *coordinates[], int coord,
124  int maxc)
125 {
126  int x, i;
127 
128  for (x = 0; x < width; x++) {
129  int max = p1[x];
130  int limit = FFMIN(max + threshold, 255);
131 
132  for (i = 0; i < 8; i++) {
133  if (coord & (1 << i)) {
134  max = FFMAX(max, *(coordinates[i] + x));
135  }
136  max = FFMIN(max, limit);
137  }
138 
139  dst[x] = max;
140  }
141 }
142 
143 static void dilation16(uint8_t *dstp, const uint8_t *p1, int width,
144  int threshold, const uint8_t *coordinates[], int coord,
145  int maxc)
146 {
147  uint16_t *dst = (uint16_t *)dstp;
148  int x, i;
149 
150  for (x = 0; x < width; x++) {
151  int max = AV_RN16A(&p1[x * 2]);
152  int limit = FFMIN(max + threshold, maxc);
153 
154  for (i = 0; i < 8; i++) {
155  if (coord & (1 << i)) {
156  max = FFMAX(max, AV_RN16A(coordinates[i] + x * 2));
157  }
158  max = FFMIN(max, limit);
159  }
160 
161  dst[x] = max;
162  }
163 }
164 
165 static void deflate(uint8_t *dst, const uint8_t *p1, int width,
166  int threshold, const uint8_t *coordinates[], int coord,
167  int maxc)
168 {
169  int x, i;
170 
171  for (x = 0; x < width; x++) {
172  int sum = 0;
173  int limit = FFMAX(p1[x] - threshold, 0);
174 
175  for (i = 0; i < 8; sum += *(coordinates[i++] + x));
176 
177  dst[x] = FFMAX(FFMIN(sum / 8, p1[x]), limit);
178  }
179 }
180 
181 static void deflate16(uint8_t *dstp, const uint8_t *p1, int width,
182  int threshold, const uint8_t *coordinates[], int coord,
183  int maxc)
184 {
185  uint16_t *dst = (uint16_t *)dstp;
186  int x, i;
187 
188  for (x = 0; x < width; x++) {
189  int sum = 0;
190  int limit = FFMAX(AV_RN16A(&p1[2 * x]) - threshold, 0);
191 
192  for (i = 0; i < 8; sum += AV_RN16A(coordinates[i++] + x * 2));
193 
194  dst[x] = FFMAX(FFMIN(sum / 8, AV_RN16A(&p1[2 * x])), limit);
195  }
196 }
197 
198 static void inflate(uint8_t *dst, const uint8_t *p1, int width,
199  int threshold, const uint8_t *coordinates[], int coord,
200  int maxc)
201 {
202  int x, i;
203 
204  for (x = 0; x < width; x++) {
205  int sum = 0;
206  int limit = FFMIN(p1[x] + threshold, 255);
207 
208  for (i = 0; i < 8; sum += *(coordinates[i++] + x));
209 
210  dst[x] = FFMIN(FFMAX(sum / 8, p1[x]), limit);
211  }
212 }
213 
214 static void inflate16(uint8_t *dstp, const uint8_t *p1, int width,
215  int threshold, const uint8_t *coordinates[], int coord,
216  int maxc)
217 {
218  uint16_t *dst = (uint16_t *)dstp;
219  int x, i;
220 
221  for (x = 0; x < width; x++) {
222  int sum = 0;
223  int limit = FFMIN(AV_RN16A(&p1[2 * x]) + threshold, maxc);
224 
225  for (i = 0; i < 8; sum += AV_RN16A(coordinates[i++] + x * 2));
226 
227  dst[x] = FFMIN(FFMAX(sum / 8, AV_RN16A(&p1[x * 2])), limit);
228  }
229 }
230 
232 {
233  AVFilterContext *ctx = inlink->dst;
234  NContext *s = ctx->priv;
236 
237  s->depth = desc->comp[0].depth;
238  s->max = (1 << s->depth) - 1;
239  s->bpc = (s->depth + 7) / 8;
240 
241  s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
242  s->planewidth[0] = s->planewidth[3] = inlink->w;
243  s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
244  s->planeheight[0] = s->planeheight[3] = inlink->h;
245 
247 
248  if (!strcmp(ctx->filter->name, "erosion"))
249  s->filter = s->depth > 8 ? erosion16 : erosion;
250  else if (!strcmp(ctx->filter->name, "dilation"))
251  s->filter = s->depth > 8 ? dilation16 : dilation;
252  else if (!strcmp(ctx->filter->name, "deflate"))
253  s->filter = s->depth > 8 ? deflate16 : deflate;
254  else if (!strcmp(ctx->filter->name, "inflate"))
255  s->filter = s->depth > 8 ? inflate16 : inflate;
256 
257  return 0;
258 }
259 
260 static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
261 {
262  NContext *s = ctx->priv;
263  ThreadData *td = arg;
264  AVFrame *out = td->out;
265  AVFrame *in = td->in;
266  int plane, y;
267 
268  for (plane = 0; plane < s->nb_planes; plane++) {
269  const int bpc = s->bpc;
270  const int threshold = s->threshold[plane];
271  const int stride = in->linesize[plane];
272  const int dstride = out->linesize[plane];
273  const int height = s->planeheight[plane];
274  const int width = s->planewidth[plane];
275  const int slice_start = (height * jobnr) / nb_jobs;
276  const int slice_end = (height * (jobnr+1)) / nb_jobs;
277  const uint8_t *src = (const uint8_t *)in->data[plane] + slice_start * stride;
278  uint8_t *dst = out->data[plane] + slice_start * dstride;
279 
280  if (!threshold) {
281  av_image_copy_plane(dst, dstride, src, stride, width * bpc, slice_end - slice_start);
282  continue;
283  }
284 
285  for (y = slice_start; y < slice_end; y++) {
286  const int nh = y > 0;
287  const int ph = y < height - 1;
288  const uint8_t *coordinates[] = { src - nh * stride, src + 1 * bpc - nh * stride, src + 2 * bpc - nh * stride,
289  src, src + 2 * bpc,
290  src + ph * stride, src + 1 * bpc + ph * stride, src + 2 * bpc + ph * stride};
291 
292  const uint8_t *coordinateslb[] = { src + 1 * bpc - nh * stride, src - nh * stride, src + 1 * bpc - nh * stride,
293  src + 1 * bpc, src + 1 * bpc,
294  src + 1 * bpc + ph * stride, src + ph * stride, src + 1 * bpc + ph * stride};
295 
296  const uint8_t *coordinatesrb[] = { src + (width - 2) * bpc - nh * stride, src + (width - 1) * bpc - nh * stride, src + (width - 2) * bpc - nh * stride,
297  src + (width - 2) * bpc, src + (width - 2) * bpc,
298  src + (width - 2) * bpc + ph * stride, src + (width - 1) * bpc + ph * stride, src + (width - 2) * bpc + ph * stride};
299 
300  s->filter(dst, src, 1, threshold, coordinateslb, s->coordinates, s->max);
301  if (width > 1) {
302  s->filter(dst + 1 * bpc, src + 1 * bpc, width - 2, threshold, coordinates, s->coordinates, s->max);
303  s->filter(dst + (width - 1) * bpc, src + (width - 1) * bpc, 1, threshold, coordinatesrb, s->coordinates, s->max);
304  }
305 
306  src += stride;
307  dst += dstride;
308  }
309  }
310 
311  return 0;
312 }
313 
315 {
316  AVFilterContext *ctx = inlink->dst;
317  AVFilterLink *outlink = ctx->outputs[0];
318  NContext *s = ctx->priv;
319  ThreadData td;
320  AVFrame *out;
321 
322  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
323  if (!out) {
324  av_frame_free(&in);
325  return AVERROR(ENOMEM);
326  }
327  av_frame_copy_props(out, in);
328 
329  td.in = in;
330  td.out = out;
332 
333  av_frame_free(&in);
334  return ff_filter_frame(outlink, out);
335 }
336 
337 static const AVFilterPad neighbor_inputs[] = {
338  {
339  .name = "default",
340  .type = AVMEDIA_TYPE_VIDEO,
341  .filter_frame = filter_frame,
342  .config_props = config_input,
343  },
344  { NULL }
345 };
346 
347 static const AVFilterPad neighbor_outputs[] = {
348  {
349  .name = "default",
350  .type = AVMEDIA_TYPE_VIDEO,
351  },
352  { NULL }
353 };
354 
355 #define OFFSET(x) offsetof(NContext, x)
356 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
357 
358 #define DEFINE_NEIGHBOR_FILTER(name_, description_) \
359 AVFILTER_DEFINE_CLASS(name_); \
360  \
361 AVFilter ff_vf_##name_ = { \
362  .name = #name_, \
363  .description = NULL_IF_CONFIG_SMALL(description_), \
364  .priv_size = sizeof(NContext), \
365  .priv_class = &name_##_class, \
366  .query_formats = query_formats, \
367  .inputs = neighbor_inputs, \
368  .outputs = neighbor_outputs, \
369  .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC| \
370  AVFILTER_FLAG_SLICE_THREADS, \
371  .process_command = ff_filter_process_command, \
372 }
373 
374 #if CONFIG_EROSION_FILTER
375 
376 static const AVOption erosion_options[] = {
377  { "threshold0", "set threshold for 1st plane", OFFSET(threshold[0]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
378  { "threshold1", "set threshold for 2nd plane", OFFSET(threshold[1]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
379  { "threshold2", "set threshold for 3rd plane", OFFSET(threshold[2]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
380  { "threshold3", "set threshold for 4th plane", OFFSET(threshold[3]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
381  { "coordinates", "set coordinates", OFFSET(coordinates), AV_OPT_TYPE_INT, {.i64=255}, 0, 255, FLAGS },
382  { NULL }
383 };
384 
385 DEFINE_NEIGHBOR_FILTER(erosion, "Apply erosion effect.");
386 
387 #endif /* CONFIG_EROSION_FILTER */
388 
389 #if CONFIG_DILATION_FILTER
390 
391 static const AVOption dilation_options[] = {
392  { "threshold0", "set threshold for 1st plane", OFFSET(threshold[0]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
393  { "threshold1", "set threshold for 2nd plane", OFFSET(threshold[1]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
394  { "threshold2", "set threshold for 3rd plane", OFFSET(threshold[2]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
395  { "threshold3", "set threshold for 4th plane", OFFSET(threshold[3]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
396  { "coordinates", "set coordinates", OFFSET(coordinates), AV_OPT_TYPE_INT, {.i64=255}, 0, 255, FLAGS },
397  { NULL }
398 };
399 
400 DEFINE_NEIGHBOR_FILTER(dilation, "Apply dilation effect.");
401 
402 #endif /* CONFIG_DILATION_FILTER */
403 
404 #if CONFIG_DEFLATE_FILTER
405 
406 static const AVOption deflate_options[] = {
407  { "threshold0", "set threshold for 1st plane", OFFSET(threshold[0]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
408  { "threshold1", "set threshold for 2nd plane", OFFSET(threshold[1]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
409  { "threshold2", "set threshold for 3rd plane", OFFSET(threshold[2]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
410  { "threshold3", "set threshold for 4th plane", OFFSET(threshold[3]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
411  { NULL }
412 };
413 
414 DEFINE_NEIGHBOR_FILTER(deflate, "Apply deflate effect.");
415 
416 #endif /* CONFIG_DEFLATE_FILTER */
417 
418 #if CONFIG_INFLATE_FILTER
419 
420 static const AVOption inflate_options[] = {
421  { "threshold0", "set threshold for 1st plane", OFFSET(threshold[0]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
422  { "threshold1", "set threshold for 2nd plane", OFFSET(threshold[1]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
423  { "threshold2", "set threshold for 3rd plane", OFFSET(threshold[2]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
424  { "threshold3", "set threshold for 4th plane", OFFSET(threshold[3]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
425  { NULL }
426 };
427 
428 DEFINE_NEIGHBOR_FILTER(inflate, "Apply inflate effect.");
429 
430 #endif /* CONFIG_INFLATE_FILTER */
#define NULL
Definition: coverity.c:32
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:440
AVFrame * out
Definition: af_adeclick.c:494
int planewidth[4]
Definition: vf_neighbor.c:38
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:432
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2549
This structure describes decoded (raw) audio or video data.
Definition: frame.h:300
AVOption.
Definition: opt.h:246
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:434
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:407
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:417
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:435
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:2589
Main libavfilter public API header.
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:413
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:377
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:401
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.
Definition: video.c:104
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:214
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:300
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:378
const char * name
Pad name.
Definition: internal.h:60
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:379
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:100
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1075
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:196
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:260
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:79
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:181
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:431
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:412
int height
Definition: vf_avgblur.c:61
AVFrame * dst
Definition: vf_blend.c:56
int plane
Definition: vf_blend.c:58
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:347
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:410
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:402
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:439
#define FLAGS
Definition: vf_neighbor.c:356
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_neighbor.c:314
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:269
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:605
#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
#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:203
const uint8_t * src
Definition: vf_bm3d.c:56
void * priv
private data for use by the filter
Definition: avfilter.h:353
#define OFFSET(x)
Definition: vf_neighbor.c:355
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:441
const char * arg
Definition: jacosubdec.c:66
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:418
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:400
#define FFMAX(a, b)
Definition: common.h:94
int coordinates
Definition: vf_neighbor.c:41
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:419
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:143
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:395
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:416
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:784
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:381
#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
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:438
AVFormatContext * ctx
Definition: movenc.c:48
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:436
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:396
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:415
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:408
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:405
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: dsddec.c:67
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Definition: frame.h:331
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:380
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:397
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:198
const char * name
Filter name.
Definition: avfilter.h:148
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:403
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:394
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:406
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:414
AVFilterInternal * internal
An opaque struct for libavfilter internal use.
Definition: avfilter.h:378
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:398
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:404
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:314
static int config_input(AVFilterLink *inlink)
Definition: vf_neighbor.c:231
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
if(ret< 0)
Definition: vf_mcdeint.c:279
static const AVFilterPad neighbor_inputs[]
Definition: vf_neighbor.c:337
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:433
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:358
avfilter_execute_func * execute
Definition: internal.h:144
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:165
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
Definition: mpeg12dec.c:2040
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
const void ** s
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
AVFrame * in
Definition: af_afftdn.c:1083
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:57
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:122
const AVFilter * filter
the AVFilter of which this is an instance
Definition: avfilter.h:341
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:409
int stride
Definition: v210dec.c:44
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:659
AVFrame * max
Definition: vf_threshold.c:75
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:437
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58