FFmpeg  4.4.8
vf_chromashift.c
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1 /*
2  * Copyright (c) 2018 Paul B Mahol
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "libavutil/avstring.h"
22 #include "libavutil/eval.h"
23 #include "libavutil/imgutils.h"
24 #include "libavutil/intreadwrite.h"
25 #include "libavutil/opt.h"
26 #include "libavutil/pixdesc.h"
27 
28 #include "avfilter.h"
29 #include "filters.h"
30 #include "formats.h"
31 #include "internal.h"
32 #include "video.h"
33 
34 typedef struct ChromaShiftContext {
35  const AVClass *class;
36  int cbh, cbv;
37  int crh, crv;
38  int rh, rv;
39  int gh, gv;
40  int bh, bv;
41  int ah, av;
42  int edge;
43 
44  int nb_planes;
45  int depth;
46  int height[4];
47  int width[4];
48  int linesize[4];
49 
50  AVFrame *in;
51 
52  int is_rgbashift;
53  int (*filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
54 } ChromaShiftContext;
55 
56 static int query_formats(AVFilterContext *ctx)
57 {
58  static const enum AVPixelFormat yuv_pix_fmts[] = {
59  AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA420P,
60  AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ422P,AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ411P,
61  AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
62  AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
63  AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV440P10,
64  AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
65  AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12,
66  AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12,
67  AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV420P14,
68  AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
69  AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
70  AV_PIX_FMT_NONE
71  };
72  static const enum AVPixelFormat rgb_pix_fmts[] = {
73  AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRP9,
74  AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12,
75  AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
76  AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
77  AV_PIX_FMT_NONE
78  };
79  const enum AVPixelFormat *pix_fmts;
80  AVFilterFormats *fmts_list;
81 
82  if (!strcmp(ctx->filter->name, "rgbashift"))
83  pix_fmts = rgb_pix_fmts;
84  else
85  pix_fmts = yuv_pix_fmts;
86 
87  fmts_list = ff_make_format_list(pix_fmts);
88  if (!fmts_list)
89  return AVERROR(ENOMEM);
90  return ff_set_common_formats(ctx, fmts_list);
91 }
92 
93 #define DEFINE_SMEAR(depth, type, div) \
94 static int smear_slice ## depth(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \
95 { \
96  ChromaShiftContext *s = ctx->priv; \
97  AVFrame *in = s->in; \
98  AVFrame *out = arg; \
99  const int sulinesize = in->linesize[1] / div; \
100  const int svlinesize = in->linesize[2] / div; \
101  const int ulinesize = out->linesize[1] / div; \
102  const int vlinesize = out->linesize[2] / div; \
103  const int cbh = s->cbh; \
104  const int cbv = s->cbv; \
105  const int crh = s->crh; \
106  const int crv = s->crv; \
107  const int h = s->height[1]; \
108  const int w = s->width[1]; \
109  const int slice_start = ff_slice_pos(h, jobnr, nb_jobs); \
110  const int slice_end = ff_slice_pos(h, jobnr + 1, nb_jobs); \
111  const type *su = (const type *)in->data[1]; \
112  const type *sv = (const type *)in->data[2]; \
113  type *du = (type *)out->data[1] + slice_start * ulinesize; \
114  type *dv = (type *)out->data[2] + slice_start * vlinesize; \
115  \
116  for (int y = slice_start; y < slice_end; y++) { \
117  const int duy = av_clip(y - cbv, 0, h-1) * sulinesize; \
118  const int dvy = av_clip(y - crv, 0, h-1) * svlinesize; \
119  \
120  for (int x = 0; x < w; x++) { \
121  du[x] = su[av_clip(x - cbh, 0, w - 1) + duy]; \
122  dv[x] = sv[av_clip(x - crh, 0, w - 1) + dvy]; \
123  } \
124  \
125  du += ulinesize; \
126  dv += vlinesize; \
127  } \
128  \
129  return 0; \
130 }
131 
132 DEFINE_SMEAR(8, uint8_t, 1)
133 DEFINE_SMEAR(16, uint16_t, 2)
134 
135 #define DEFINE_WRAP(depth, type, div) \
136 static int wrap_slice ## depth(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \
137 { \
138  ChromaShiftContext *s = ctx->priv; \
139  AVFrame *in = s->in; \
140  AVFrame *out = arg; \
141  const int sulinesize = in->linesize[1] / div; \
142  const int svlinesize = in->linesize[2] / div; \
143  const int ulinesize = out->linesize[1] / div; \
144  const int vlinesize = out->linesize[2] / div; \
145  const int cbh = s->cbh; \
146  const int cbv = s->cbv; \
147  const int crh = s->crh; \
148  const int crv = s->crv; \
149  const int h = s->height[1]; \
150  const int w = s->width[1]; \
151  const int slice_start = ff_slice_pos(h, jobnr, nb_jobs); \
152  const int slice_end = ff_slice_pos(h, jobnr + 1, nb_jobs); \
153  const type *su = (const type *)in->data[1]; \
154  const type *sv = (const type *)in->data[2]; \
155  type *du = (type *)out->data[1] + slice_start * ulinesize; \
156  type *dv = (type *)out->data[2] + slice_start * vlinesize; \
157  \
158  for (int y = slice_start; y < slice_end; y++) { \
159  int uy = (y - cbv) % h; \
160  int vy = (y - crv) % h; \
161  \
162  if (uy < 0) \
163  uy += h; \
164  if (vy < 0) \
165  vy += h; \
166  \
167  for (int x = 0; x < w; x++) { \
168  int ux = (x - cbh) % w; \
169  int vx = (x - crh) % w; \
170  \
171  if (ux < 0) \
172  ux += w; \
173  if (vx < 0) \
174  vx += w; \
175  \
176  du[x] = su[ux + uy * sulinesize]; \
177  dv[x] = sv[vx + vy * svlinesize]; \
178  } \
179  \
180  du += ulinesize; \
181  dv += vlinesize; \
182  } \
183  \
184  return 0; \
185 }
186 
187 DEFINE_WRAP(8, uint8_t, 1)
188 DEFINE_WRAP(16, uint16_t, 2)
189 
190 #define DEFINE_RGBASMEAR(depth, type, div) \
191 static int rgbasmear_slice ## depth(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \
192 { \
193  ChromaShiftContext *s = ctx->priv; \
194  AVFrame *in = s->in; \
195  AVFrame *out = arg; \
196  const int srlinesize = in->linesize[2] / div; \
197  const int sglinesize = in->linesize[0] / div; \
198  const int sblinesize = in->linesize[1] / div; \
199  const int salinesize = in->linesize[3] / div; \
200  const int rlinesize = out->linesize[2] / div; \
201  const int glinesize = out->linesize[0] / div; \
202  const int blinesize = out->linesize[1] / div; \
203  const int alinesize = out->linesize[3] / div; \
204  const int rh = s->rh; \
205  const int rv = s->rv; \
206  const int gh = s->gh; \
207  const int gv = s->gv; \
208  const int bh = s->bh; \
209  const int bv = s->bv; \
210  const int ah = s->ah; \
211  const int av = s->av; \
212  const int h = s->height[1]; \
213  const int w = s->width[1]; \
214  const int slice_start = ff_slice_pos(h, jobnr, nb_jobs); \
215  const int slice_end = ff_slice_pos(h, jobnr + 1, nb_jobs); \
216  const type *sr = (const type *)in->data[2]; \
217  const type *sg = (const type *)in->data[0]; \
218  const type *sb = (const type *)in->data[1]; \
219  const type *sa = (const type *)in->data[3]; \
220  type *dr = (type *)out->data[2] + slice_start * rlinesize; \
221  type *dg = (type *)out->data[0] + slice_start * glinesize; \
222  type *db = (type *)out->data[1] + slice_start * blinesize; \
223  type *da = (type *)out->data[3] + slice_start * alinesize; \
224  \
225  for (int y = slice_start; y < slice_end; y++) { \
226  const int ry = av_clip(y - rv, 0, h-1) * srlinesize; \
227  const int gy = av_clip(y - gv, 0, h-1) * sglinesize; \
228  const int by = av_clip(y - bv, 0, h-1) * sblinesize; \
229  int ay; \
230  \
231  for (int x = 0; x < w; x++) { \
232  dr[x] = sr[av_clip(x - rh, 0, w - 1) + ry]; \
233  dg[x] = sg[av_clip(x - gh, 0, w - 1) + gy]; \
234  db[x] = sb[av_clip(x - bh, 0, w - 1) + by]; \
235  } \
236  \
237  dr += rlinesize; \
238  dg += glinesize; \
239  db += blinesize; \
240  \
241  if (s->nb_planes < 4) \
242  continue; \
243  ay = av_clip(y - av, 0, h-1) * salinesize; \
244  for (int x = 0; x < w; x++) { \
245  da[x] = sa[av_clip(x - ah, 0, w - 1) + ay]; \
246  } \
247  \
248  da += alinesize; \
249  } \
250  \
251  return 0; \
252 }
253 
254 DEFINE_RGBASMEAR(8, uint8_t, 1)
255 DEFINE_RGBASMEAR(16, uint16_t, 2)
256 
257 #define DEFINE_RGBAWRAP(depth, type, div) \
258 static int rgbawrap_slice ## depth(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \
259 { \
260  ChromaShiftContext *s = ctx->priv; \
261  AVFrame *in = s->in; \
262  AVFrame *out = arg; \
263  const int srlinesize = in->linesize[2] / div; \
264  const int sglinesize = in->linesize[0] / div; \
265  const int sblinesize = in->linesize[1] / div; \
266  const int salinesize = in->linesize[3] / div; \
267  const int rlinesize = out->linesize[2] / div; \
268  const int glinesize = out->linesize[0] / div; \
269  const int blinesize = out->linesize[1] / div; \
270  const int alinesize = out->linesize[3] / div; \
271  const int rh = s->rh; \
272  const int rv = s->rv; \
273  const int gh = s->gh; \
274  const int gv = s->gv; \
275  const int bh = s->bh; \
276  const int bv = s->bv; \
277  const int ah = s->ah; \
278  const int av = s->av; \
279  const int h = s->height[1]; \
280  const int w = s->width[1]; \
281  const int slice_start = ff_slice_pos(h, jobnr, nb_jobs); \
282  const int slice_end = ff_slice_pos(h, jobnr + 1, nb_jobs); \
283  const type *sr = (const type *)in->data[2]; \
284  const type *sg = (const type *)in->data[0]; \
285  const type *sb = (const type *)in->data[1]; \
286  const type *sa = (const type *)in->data[3]; \
287  type *dr = (type *)out->data[2] + slice_start * rlinesize; \
288  type *dg = (type *)out->data[0] + slice_start * glinesize; \
289  type *db = (type *)out->data[1] + slice_start * blinesize; \
290  type *da = (type *)out->data[3] + slice_start * alinesize; \
291  \
292  for (int y = slice_start; y < slice_end; y++) { \
293  int ry = (y - rv) % h; \
294  int gy = (y - gv) % h; \
295  int by = (y - bv) % h; \
296  \
297  if (ry < 0) \
298  ry += h; \
299  if (gy < 0) \
300  gy += h; \
301  if (by < 0) \
302  by += h; \
303  \
304  for (int x = 0; x < w; x++) { \
305  int rx = (x - rh) % w; \
306  int gx = (x - gh) % w; \
307  int bx = (x - bh) % w; \
308  \
309  if (rx < 0) \
310  rx += w; \
311  if (gx < 0) \
312  gx += w; \
313  if (bx < 0) \
314  bx += w; \
315  dr[x] = sr[rx + ry * srlinesize]; \
316  dg[x] = sg[gx + gy * sglinesize]; \
317  db[x] = sb[bx + by * sblinesize]; \
318  } \
319  \
320  dr += rlinesize; \
321  dg += glinesize; \
322  db += blinesize; \
323  \
324  if (s->nb_planes < 4) \
325  continue; \
326  for (int x = 0; x < w; x++) { \
327  int ax = (x - ah) % w; \
328  int ay = (x - av) % h; \
329  \
330  if (ax < 0) \
331  ax += w; \
332  if (ay < 0) \
333  ay += h; \
334  da[x] = sa[ax + ay * salinesize]; \
335  } \
336  \
337  da += alinesize; \
338  } \
339  \
340  return 0; \
341 }
342 
343 DEFINE_RGBAWRAP(8, uint8_t, 1)
344 DEFINE_RGBAWRAP(16, uint16_t, 2)
345 
346 static int filter_frame(AVFilterLink *inlink, AVFrame *in)
347 {
348  AVFilterContext *ctx = inlink->dst;
349  AVFilterLink *outlink = ctx->outputs[0];
350  ChromaShiftContext *s = ctx->priv;
351  AVFrame *out;
352 
353  out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
354  if (!out) {
355  av_frame_free(&in);
356  return AVERROR(ENOMEM);
357  }
358  av_frame_copy_props(out, in);
359 
360  s->in = in;
361  if (!s->is_rgbashift) {
362  av_image_copy_plane(out->data[0],
363  out->linesize[0],
364  in->data[0], in->linesize[0],
365  s->linesize[0], s->height[0]);
366  }
367  ctx->internal->execute(ctx, s->filter_slice, out, NULL,
368  FFMIN3(s->height[1],
369  s->height[2],
370  ff_filter_get_nb_threads(ctx)));
371  s->in = NULL;
372  av_frame_free(&in);
373  return ff_filter_frame(outlink, out);
374 }
375 
376 static int config_input(AVFilterLink *inlink)
377 {
378  AVFilterContext *ctx = inlink->dst;
379  ChromaShiftContext *s = ctx->priv;
380  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
381 
382  s->is_rgbashift = !strcmp(ctx->filter->name, "rgbashift");
383  s->depth = desc->comp[0].depth;
384  s->nb_planes = desc->nb_components;
385  if (s->is_rgbashift) {
386  if (s->edge)
387  s->filter_slice = s->depth > 8 ? rgbawrap_slice16 : rgbawrap_slice8;
388  else
389  s->filter_slice = s->depth > 8 ? rgbasmear_slice16 : rgbasmear_slice8;
390  } else {
391  if (s->edge)
392  s->filter_slice = s->depth > 8 ? wrap_slice16 : wrap_slice8;
393  else
394  s->filter_slice = s->depth > 8 ? smear_slice16 : smear_slice8;
395  }
396  s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
397  s->height[0] = s->height[3] = inlink->h;
398  s->width[1] = s->width[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
399  s->width[0] = s->width[3] = inlink->w;
400 
401  return av_image_fill_linesizes(s->linesize, inlink->format, inlink->w);
402 }
403 
404 static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
405  char *res, int res_len, int flags)
406 {
407  int ret;
408 
409  ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
410  if (ret < 0)
411  return ret;
412 
413  return config_input(ctx->inputs[0]);
414 }
415 
416 #define OFFSET(x) offsetof(ChromaShiftContext, x)
417 #define VFR AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM
418 
419 static const AVOption chromashift_options[] = {
420  { "cbh", "shift chroma-blue horizontally", OFFSET(cbh), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
421  { "cbv", "shift chroma-blue vertically", OFFSET(cbv), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
422  { "crh", "shift chroma-red horizontally", OFFSET(crh), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
423  { "crv", "shift chroma-red vertically", OFFSET(crv), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
424  { "edge", "set edge operation", OFFSET(edge), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, .flags = VFR, "edge" },
425  { "smear", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, .flags = VFR, "edge" },
426  { "wrap", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, .flags = VFR, "edge" },
427  { NULL },
428 };
429 
430 static const AVFilterPad inputs[] = {
431  {
432  .name = "default",
433  .type = AVMEDIA_TYPE_VIDEO,
434  .filter_frame = filter_frame,
435  .config_props = config_input,
436  },
437  { NULL }
438 };
439 
440 static const AVFilterPad outputs[] = {
441  {
442  .name = "default",
443  .type = AVMEDIA_TYPE_VIDEO,
444  },
445  { NULL }
446 };
447 
448 AVFILTER_DEFINE_CLASS(chromashift);
449 
450 AVFilter ff_vf_chromashift = {
451  .name = "chromashift",
452  .description = NULL_IF_CONFIG_SMALL("Shift chroma."),
453  .priv_size = sizeof(ChromaShiftContext),
454  .priv_class = &chromashift_class,
455  .query_formats = query_formats,
456  .outputs = outputs,
457  .inputs = inputs,
458  .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
459  .process_command = process_command,
460 };
461 
462 static const AVOption rgbashift_options[] = {
463  { "rh", "shift red horizontally", OFFSET(rh), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
464  { "rv", "shift red vertically", OFFSET(rv), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
465  { "gh", "shift green horizontally", OFFSET(gh), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
466  { "gv", "shift green vertically", OFFSET(gv), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
467  { "bh", "shift blue horizontally", OFFSET(bh), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
468  { "bv", "shift blue vertically", OFFSET(bv), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
469  { "ah", "shift alpha horizontally", OFFSET(ah), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
470  { "av", "shift alpha vertically", OFFSET(av), AV_OPT_TYPE_INT, {.i64=0}, -255, 255, .flags = VFR },
471  { "edge", "set edge operation", OFFSET(edge), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, .flags = VFR, "edge" },
472  { "smear", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, .flags = VFR, "edge" },
473  { "wrap", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, .flags = VFR, "edge" },
474  { NULL },
475 };
476 
477 AVFILTER_DEFINE_CLASS(rgbashift);
478 
479 AVFilter ff_vf_rgbashift = {
480  .name = "rgbashift",
481  .description = NULL_IF_CONFIG_SMALL("Shift RGBA."),
482  .priv_size = sizeof(ChromaShiftContext),
483  .priv_class = &rgbashift_class,
484  .query_formats = query_formats,
485  .outputs = outputs,
486  .inputs = inputs,
487  .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
488  .process_command = process_command,
489 };
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
uint8_t
uint8_t
Definition: audio_convert.c:194
ff_filter_frame
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1096
ff_filter_process_command
int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Generic processing of user supplied commands that are set in the same way as the filter options.
Definition: avfilter.c:882
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
avfilter.h
Main libavfilter public API header.
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:572
s
#define s(width, name)
Definition: cbs_vp9.c:257
AV_CEIL_RSHIFT
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
FFMIN3
#define FFMIN3(a, b, c)
Definition: common.h:106
NULL
#define NULL
Definition: coverity.c:32
eval.h
simple arithmetic expression evaluator
int
int
Definition: ffmpeg_filter.c:170
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
ff_make_format_list
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:286
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
Definition: avfilter.h:126
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
AVERROR
#define AVERROR(e)
Definition: error.h:43
av_frame_free
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:203
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:658
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
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
av_image_fill_linesizes
int av_image_fill_linesizes(int linesizes[4], enum AVPixelFormat pix_fmt, int width)
Fill plane linesizes for an image with pixel format pix_fmt and width width.
Definition: imgutils.c:89
imgutils.h
misc image utilities
bv
int32_t bv
Definition: input.c:405
rv
int32_t rv
Definition: input.c:405
gv
int32_t gv
Definition: input.c:405
rgb_pix_fmts
static enum AVPixelFormat rgb_pix_fmts[]
Definition: jpeg2000dec.c:260
yuv_pix_fmts
static enum AVPixelFormat yuv_pix_fmts[]
Definition: jpeg2000dec.c:262
arg
const char * arg
Definition: jacosubdec.c:66
internal.h
common internal API header
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:117
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:309
desc
const char * desc
Definition: libsvtav1.c:79
opt.h
AVOptions.
av_pix_fmt_desc_get
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2573
AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:420
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:410
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:406
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:398
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:399
AV_PIX_FMT_YUV440P12
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:405
AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:421
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:414
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:397
AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:438
AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:441
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:403
AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:436
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:404
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:415
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:400
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:416
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:396
AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:437
AV_PIX_FMT_YUV420P14
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:407
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
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_YUV440P
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
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
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_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
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_YUV411P
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
AV_PIX_FMT_YUV444P
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
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_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
AV_PIX_FMT_GBRAP
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:215
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_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_GBRP
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:168
AV_PIX_FMT_YUVJ444P
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
AV_PIX_FMT_YUVJ420P
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
AV_PIX_FMT_YUVA422P12
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:439
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:408
AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:411
AV_PIX_FMT_YUV440P10
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:401
AV_PIX_FMT_GBRAP10
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:419
AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:443
AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:442
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:418
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:409
AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:417
AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:440
AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:412
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:402
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:67
AVFilterContext
An instance of a filter.
Definition: avfilter.h:341
AVFilterFormats
A list of supported formats for one end of a filter link.
Definition: formats.h:65
AVFilterPad
A filter pad used for either input or output.
Definition: internal.h:54
AVFilterPad::name
const char * name
Pad name.
Definition: internal.h:60
AVFilter
Filter definition.
Definition: avfilter.h:145
AVFilter::name
const char * name
Filter name.
Definition: avfilter.h:149
AVFormatContext::internal
AVFormatInternal * internal
An opaque field for libavformat internal usage.
Definition: avformat.h:1699
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:318
AVOption
AVOption.
Definition: opt.h:248
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
ChromaShiftContext::filter_slice
int(* filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: vf_chromashift.c:53
out
FILE * out
Definition: movenc.c:54
ctx
AVFormatContext * ctx
Definition: movenc.c:48
DEFINE_RGBASMEAR
#define DEFINE_RGBASMEAR(depth, type, div)
Definition: vf_chromashift.c:190
rgbashift_options
static const AVOption rgbashift_options[]
Definition: vf_chromashift.c:462
AVFILTER_DEFINE_CLASS
AVFILTER_DEFINE_CLASS(chromashift)
ff_vf_chromashift
AVFilter ff_vf_chromashift
Definition: vf_chromashift.c:450
query_formats
static int query_formats(AVFilterContext *ctx)
Definition: vf_chromashift.c:56
DEFINE_RGBAWRAP
#define DEFINE_RGBAWRAP(depth, type, div)
Definition: vf_chromashift.c:257
ff_vf_rgbashift
AVFilter ff_vf_rgbashift
Definition: vf_chromashift.c:479
config_input
static int config_input(AVFilterLink *inlink)
Definition: vf_chromashift.c:376
inputs
static const AVFilterPad inputs[]
Definition: vf_chromashift.c:430
outputs
static const AVFilterPad outputs[]
Definition: vf_chromashift.c:440
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
Definition: vf_chromashift.c:346
VFR
#define VFR
Definition: vf_chromashift.c:417
process_command
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
Definition: vf_chromashift.c:404
DEFINE_WRAP
#define DEFINE_WRAP(depth, type, div)
Definition: vf_chromashift.c:135
chromashift_options
static const AVOption chromashift_options[]
Definition: vf_chromashift.c:419
OFFSET
#define OFFSET(x)
Definition: vf_chromashift.c:416
DEFINE_SMEAR
#define DEFINE_SMEAR(depth, type, div)
Definition: vf_chromashift.c:93
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:104
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