FFmpeg
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 
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 
246  s->nb_planes = av_pix_fmt_count_planes(inlink->format);
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  }
328 
329  td.in = in;
330  td.out = out;
331  ctx->internal->execute(ctx, filter_slice, &td, NULL, FFMIN(s->planeheight[1], ff_filter_get_nb_threads(ctx)));
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 /* The following options are shared between all filters here;
375  * the de/inflate filters only use the threshold* options. */
376 #define DEINFLATE_OPTIONS_OFFSET (CONFIG_EROSION_FILTER || CONFIG_DILATION_FILTER)
377 static const AVOption options[] = {
378 #if CONFIG_EROSION_FILTER || CONFIG_DILATION_FILTER
379  { "coordinates", "set coordinates", OFFSET(coordinates), AV_OPT_TYPE_INT, {.i64=255}, 0, 255, FLAGS },
380 #endif
381  { "threshold0", "set threshold for 1st plane", OFFSET(threshold[0]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
382  { "threshold1", "set threshold for 2nd plane", OFFSET(threshold[1]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
383  { "threshold2", "set threshold for 3rd plane", OFFSET(threshold[2]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
384  { "threshold3", "set threshold for 4th plane", OFFSET(threshold[3]), AV_OPT_TYPE_INT, {.i64=65535}, 0, 65535, FLAGS },
385  { NULL }
386 };
387 
388 #if CONFIG_EROSION_FILTER
389 
390 #define erosion_options options
391 DEFINE_NEIGHBOR_FILTER(erosion, "Apply erosion effect.");
392 
393 #endif /* CONFIG_EROSION_FILTER */
394 
395 #if CONFIG_DILATION_FILTER
396 
397 #define dilation_options options
398 DEFINE_NEIGHBOR_FILTER(dilation, "Apply dilation effect.");
399 
400 #endif /* CONFIG_DILATION_FILTER */
401 
402 #if CONFIG_DEFLATE_FILTER
403 
404 #define deflate_options &options[DEINFLATE_OPTIONS_OFFSET]
405 DEFINE_NEIGHBOR_FILTER(deflate, "Apply deflate effect.");
406 
407 #endif /* CONFIG_DEFLATE_FILTER */
408 
409 #if CONFIG_INFLATE_FILTER
410 
411 #define inflate_options &options[DEINFLATE_OPTIONS_OFFSET]
412 DEFINE_NEIGHBOR_FILTER(inflate, "Apply inflate effect.");
413 
414 #endif /* CONFIG_INFLATE_FILTER */
DEFINE_NEIGHBOR_FILTER
#define DEFINE_NEIGHBOR_FILTER(name_, description_)
Definition: vf_neighbor.c:358
ff_get_video_buffer
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
AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:442
AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:421
stride
int stride
Definition: mace.c:144
deflate16
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
td
#define td
Definition: regdef.h:70
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
AVERROR
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining all references to the list are updated That means that if a filter requires that its input and output have the same format amongst a supported all it has to do is use a reference to the same list of formats query_formats can leave some formats unset and return AVERROR(EAGAIN) to cause the negotiation mechanism toagain later. That can be used by filters with complex requirements to use the format negotiated on one link to set the formats supported on another. Frame references ownership and permissions
opt.h
ff_make_format_list
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:286
out
FILE * out
Definition: movenc.c:54
ff_filter_frame
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1094
av_pix_fmt_desc_get
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2573
FLAGS
#define FLAGS
Definition: vf_neighbor.c:356
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_neighbor.c:314
filter_slice
static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_neighbor.c:260
inlink
The exact code depends on how similar the blocks are and how related they are to the and needs to apply these operations to the correct inlink or outlink if there are several Macros are available to factor that when no extra processing is inlink
Definition: filter_design.txt:212
erosion
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
av_frame_free
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:204
AV_PIX_FMT_YUVA422P9
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:434
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:324
pixdesc.h
AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:441
AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:436
AVOption
AVOption.
Definition: opt.h:248
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:399
NContext::planeheight
int planeheight[4]
Definition: vf_neighbor.c:37
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
max
#define max(a, b)
Definition: cuda_runtime.h:33
ThreadData::out
AVFrame * out
Definition: af_adeclick.c:502
video.h
AVFormatContext::internal
AVFormatInternal * internal
An opaque field for libavformat internal usage.
Definition: avformat.h:1698
AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:437
AV_PIX_FMT_GRAY9
#define AV_PIX_FMT_GRAY9
Definition: pixfmt.h:379
av_image_copy_plane
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:373
formats.h
NContext::coordinates
int coordinates
Definition: vf_neighbor.c:41
av_pix_fmt_count_planes
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2613
AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:433
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_neighbor.c:231
dilation
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
AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:417
AV_PIX_FMT_GBRAP
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:215
NContext::depth
int depth
Definition: vf_neighbor.c:43
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:415
inflate
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
AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:443
OFFSET
#define OFFSET(x)
Definition: vf_neighbor.c:355
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:397
AV_PIX_FMT_GRAY16
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:383
AVFilterPad
A filter pad used for either input or output.
Definition: internal.h:54
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:402
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:258
NContext::nb_planes
int nb_planes
Definition: vf_neighbor.c:39
AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:411
ff_set_common_formats
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:587
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:419
width
#define width
intreadwrite.h
s
#define s(width, name)
Definition: cbs_vp9.c:257
AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:420
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:412
AV_CEIL_RSHIFT
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
slice_end
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
Definition: mpeg12dec.c:2032
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:303
AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:440
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:396
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:410
ctx
AVFormatContext * ctx
Definition: movenc.c:48
AV_PIX_FMT_GRAY14
#define AV_PIX_FMT_GRAY14
Definition: pixfmt.h:382
NContext::planewidth
int planewidth[4]
Definition: vf_neighbor.c:38
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
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
arg
const char * arg
Definition: jacosubdec.c:66
AV_PIX_FMT_GRAY10
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:380
if
if(ret)
Definition: filter_design.txt:179
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:418
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:67
NULL
#define NULL
Definition: coverity.c:32
av_frame_copy_props
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
Definition: frame.c:659
neighbor_inputs
static const AVFilterPad neighbor_inputs[]
Definition: vf_neighbor.c:337
NContext::max
int max
Definition: vf_neighbor.c:44
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
src
#define src
Definition: vp8dsp.c:255
deflate
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
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:400
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:414
inflate16
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
FFMAX
#define FFMAX(a, b)
Definition: common.h:103
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:404
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:406
NContext
Definition: vf_neighbor.c:35
height
#define height
FFMIN
#define FFMIN(a, b)
Definition: common.h:105
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:177
AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:438
NContext::bpc
int bpc
Definition: vf_neighbor.c:45
internal.h
in
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
Definition: audio_convert.c:326
i
int i
Definition: input.c:407
NContext::filter
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
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:416
ff_filter_get_nb_threads
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:802
ThreadData
Used for passing data between threads.
Definition: dsddec.c:67
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
uint8_t
uint8_t
Definition: audio_convert.c:194
AVFilterPad::name
const char * name
Pad name.
Definition: internal.h:60
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:398
NContext::threshold
int threshold[4]
Definition: vf_neighbor.c:40
neighbor_outputs
static const AVFilterPad neighbor_outputs[]
Definition: vf_neighbor.c:347
AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:435
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:403
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:408
query_formats
static int query_formats(AVFilterContext *ctx)
Definition: vf_neighbor.c:52
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
AV_PIX_FMT_YUVA422P12
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:439
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
avfilter.h
AV_RN16A
#define AV_RN16A(p)
Definition: intreadwrite.h:522
dilation16
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
options
static const AVOption options[]
Definition: vf_neighbor.c:377
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
AVFilterContext
An instance of a filter.
Definition: avfilter.h:341
AV_PIX_FMT_GBRP
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
desc
const char * desc
Definition: libsvtav1.c:79
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
ThreadData::in
AVFrame * in
Definition: af_adenorm.c:223
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
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
imgutils.h
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:405
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:409
AV_PIX_FMT_GRAY12
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:381
erosion16
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
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:176
AV_PIX_FMT_YUV420P14
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:407
min
float min
Definition: vorbis_enc_data.h:456