FFmpeg
vf_zscale.c
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1 /*
2  * Copyright (c) 2015 Paul B Mahol
3  * Copyright (c) 2022 Victoria Zhislina, Intel
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 /**
23  * @file
24  * zscale video filter using z.lib library
25  */
26 
27 #include <float.h>
28 #include <stdio.h>
29 #include <string.h>
30 
31 #include <zimg.h>
32 
33 #include "avfilter.h"
34 #include "filters.h"
35 #include "formats.h"
36 #include "video.h"
37 #include "libavutil/eval.h"
38 #include "libavutil/internal.h"
39 #include "libavutil/intreadwrite.h"
40 #include "libavutil/mathematics.h"
41 #include "libavutil/mem.h"
42 #include "libavutil/opt.h"
43 #include "libavutil/parseutils.h"
44 #include "libavutil/pixdesc.h"
45 
46 #define ZIMG_ALIGNMENT 64
47 #define MIN_TILESIZE 64
48 #define MAX_THREADS 64
49 
50 static const char *const var_names[] = {
51  "in_w", "iw",
52  "in_h", "ih",
53  "out_w", "ow",
54  "out_h", "oh",
55  "a",
56  "sar",
57  "dar",
58  "hsub",
59  "vsub",
60  "ohsub",
61  "ovsub",
62  NULL
63 };
64 
65 enum var_name {
66  VAR_IN_W, VAR_IW,
67  VAR_IN_H, VAR_IH,
68  VAR_OUT_W, VAR_OW,
69  VAR_OUT_H, VAR_OH,
70  VAR_A,
71  VAR_SAR,
72  VAR_DAR,
73  VAR_HSUB,
74  VAR_VSUB,
75  VAR_OHSUB,
76  VAR_OVSUB,
77  VARS_NB
78 };
79 
80 typedef struct ZScaleContext {
81  const AVClass *class;
82 
83  /**
84  * New dimensions. Special values are:
85  * 0 = original width/height
86  * -1 = keep original aspect
87  * -N = try to keep aspect but make sure it is divisible by N
88  */
89  int w, h;
90  int dither;
91  int filter;
92  int colorspace;
93  int trc;
94  int primaries;
95  int range;
96  int chromal;
97  int colorspace_in;
98  int trc_in;
99  int primaries_in;
100  int range_in;
101  int chromal_in;
102  char *size_str;
103  double nominal_peak_luminance;
104  int approximate_gamma;
105  double param_a;
106  double param_b;
107 
108  char *w_expr; ///< width expression string
109  char *h_expr; ///< height expression string
110 
111  int first_time;
112  int force_original_aspect_ratio;
113 
114  void *tmp[MAX_THREADS]; //separate for each thread;
115  int nb_threads;
116  int jobs_ret[MAX_THREADS];
117  double in_slice_start[MAX_THREADS];
118  double in_slice_end[MAX_THREADS];
119  int out_slice_start[MAX_THREADS];
120  int out_slice_end[MAX_THREADS];
121 
122  zimg_image_format src_format, dst_format;
123  zimg_image_format alpha_src_format, alpha_dst_format;
124  zimg_image_format src_format_tmp, dst_format_tmp;
125  zimg_image_format alpha_src_format_tmp, alpha_dst_format_tmp;
126  zimg_graph_builder_params alpha_params, params;
127  zimg_graph_builder_params alpha_params_tmp, params_tmp;
128  zimg_filter_graph *alpha_graph[MAX_THREADS], *graph[MAX_THREADS];
129 } ZScaleContext;
130 
131 typedef struct ThreadData {
132  const AVPixFmtDescriptor *desc, *odesc;
133  AVFrame *in, *out;
134 } ThreadData;
135 
136 static av_cold int init(AVFilterContext *ctx)
137 {
138  ZScaleContext *s = ctx->priv;
139  int ret;
140  zimg_image_format_default(&s->src_format, ZIMG_API_VERSION);
141  zimg_image_format_default(&s->dst_format, ZIMG_API_VERSION);
142  zimg_image_format_default(&s->src_format_tmp, ZIMG_API_VERSION);
143  zimg_image_format_default(&s->dst_format_tmp, ZIMG_API_VERSION);
144 
145  zimg_image_format_default(&s->alpha_src_format, ZIMG_API_VERSION);
146  zimg_image_format_default(&s->alpha_dst_format, ZIMG_API_VERSION);
147  zimg_image_format_default(&s->alpha_src_format_tmp, ZIMG_API_VERSION);
148  zimg_image_format_default(&s->alpha_dst_format_tmp, ZIMG_API_VERSION);
149 
150  zimg_graph_builder_params_default(&s->params, ZIMG_API_VERSION);
151  zimg_graph_builder_params_default(&s->params_tmp, ZIMG_API_VERSION);
152  zimg_graph_builder_params_default(&s->alpha_params, ZIMG_API_VERSION);
153  zimg_graph_builder_params_default(&s->alpha_params_tmp, ZIMG_API_VERSION);
154 
155  if (s->size_str && (s->w_expr || s->h_expr)) {
156  av_log(ctx, AV_LOG_ERROR,
157  "Size and width/height expressions cannot be set at the same time.\n");
158  return AVERROR(EINVAL);
159  }
160 
161  if (s->w_expr && !s->h_expr)
162  FFSWAP(char *, s->w_expr, s->size_str);
163 
164  if (s->size_str) {
165  char buf[32];
166  if ((ret = av_parse_video_size(&s->w, &s->h, s->size_str)) < 0) {
167  av_log(ctx, AV_LOG_ERROR,
168  "Invalid size '%s'\n", s->size_str);
169  return ret;
170  }
171  snprintf(buf, sizeof(buf)-1, "%d", s->w);
172  av_opt_set(s, "w", buf, 0);
173  snprintf(buf, sizeof(buf)-1, "%d", s->h);
174  av_opt_set(s, "h", buf, 0);
175  }
176  if (!s->w_expr)
177  av_opt_set(s, "w", "iw", 0);
178  if (!s->h_expr)
179  av_opt_set(s, "h", "ih", 0);
180 
181  return 0;
182 }
183 
184 static enum AVColorRange convert_range_from_zimg(enum zimg_pixel_range_e color_range);
185 
186 static int query_formats(AVFilterContext *ctx)
187 {
188  ZScaleContext *s = ctx->priv;
189  AVFilterFormats *formats;
190  static const enum AVPixelFormat pixel_fmts[] = {
191  AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P,
192  AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
193  AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
194  AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,
195  AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P,
196  AV_PIX_FMT_YUVJ411P,
197  AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
198  AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
199  AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12,
200  AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
201  AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
202  AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
203  AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
204  AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
205  AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUVA422P12,
206  AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
207  AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
208  AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
209  AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP14, AV_PIX_FMT_GBRAP16,
210  AV_PIX_FMT_GBRPF32, AV_PIX_FMT_GBRAPF32,
211  AV_PIX_FMT_NONE
212  };
213  int ret;
214 
215  ret = ff_formats_ref(ff_make_format_list(pixel_fmts), &ctx->inputs[0]->outcfg.formats);
216  if (ret < 0)
217  return ret;
218  ret = ff_formats_ref(ff_make_format_list(pixel_fmts), &ctx->outputs[0]->incfg.formats);
219  if (ret < 0)
220  return ret;
221 
222  if ((ret = ff_formats_ref(ff_all_color_spaces(), &ctx->inputs[0]->outcfg.color_spaces)) < 0 ||
223  (ret = ff_formats_ref(ff_all_color_ranges(), &ctx->inputs[0]->outcfg.color_ranges)) < 0)
224  return ret;
225 
226  formats = s->colorspace != ZIMG_MATRIX_UNSPECIFIED && s->colorspace > 0
227  ? ff_make_formats_list_singleton(s->colorspace)
228  : ff_all_color_spaces();
229  if ((ret = ff_formats_ref(formats, &ctx->outputs[0]->incfg.color_spaces)) < 0)
230  return ret;
231 
232  formats = s->range != -1
233  ? ff_make_formats_list_singleton(convert_range_from_zimg(s->range))
234  : ff_all_color_ranges();
235  if ((ret = ff_formats_ref(formats, &ctx->outputs[0]->incfg.color_ranges)) < 0)
236  return ret;
237 
238  return 0;
239 }
240 
241 static void slice_params(ZScaleContext *s, int out_h, int in_h)
242 {
243  s->out_slice_start[0] = 0;
244  for (int i = 1; i < s->nb_threads; i++) {
245  int slice_end = out_h * i / s->nb_threads;
246  s->out_slice_end[i - 1] = s->out_slice_start[i] = FFALIGN(slice_end, 2);
247  }
248  s->out_slice_end[s->nb_threads - 1] = out_h;
249 
250  for (int i = 0; i < s->nb_threads; i++) {
251  s->in_slice_start[i] = s->out_slice_start[i] * in_h / (double)out_h;
252  s->in_slice_end[i] = s->out_slice_end[i] * in_h / (double)out_h;
253  }
254 }
255 
256 static int config_props(AVFilterLink *outlink)
257 {
258  AVFilterContext *ctx = outlink->src;
259  AVFilterLink *inlink = outlink->src->inputs[0];
260  ZScaleContext *s = ctx->priv;
261  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
262  const AVPixFmtDescriptor *out_desc = av_pix_fmt_desc_get(outlink->format);
263  int64_t w, h;
264  double var_values[VARS_NB], res;
265  char *expr;
266  int ret;
267  int factor_w, factor_h;
268 
269  var_values[VAR_IN_W] = var_values[VAR_IW] = inlink->w;
270  var_values[VAR_IN_H] = var_values[VAR_IH] = inlink->h;
271  var_values[VAR_OUT_W] = var_values[VAR_OW] = NAN;
272  var_values[VAR_OUT_H] = var_values[VAR_OH] = NAN;
273  var_values[VAR_A] = (double) inlink->w / inlink->h;
274  var_values[VAR_SAR] = inlink->sample_aspect_ratio.num ?
275  (double) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1;
276  var_values[VAR_DAR] = var_values[VAR_A] * var_values[VAR_SAR];
277  var_values[VAR_HSUB] = 1 << desc->log2_chroma_w;
278  var_values[VAR_VSUB] = 1 << desc->log2_chroma_h;
279  var_values[VAR_OHSUB] = 1 << out_desc->log2_chroma_w;
280  var_values[VAR_OVSUB] = 1 << out_desc->log2_chroma_h;
281 
282  /* evaluate width and height */
283  av_expr_parse_and_eval(&res, (expr = s->w_expr),
284  var_names, var_values,
285  NULL, NULL, NULL, NULL, NULL, 0, ctx);
286  s->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
287  if ((ret = av_expr_parse_and_eval(&res, (expr = s->h_expr),
288  var_names, var_values,
289  NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
290  goto fail;
291  s->h = var_values[VAR_OUT_H] = var_values[VAR_OH] = res;
292  /* evaluate again the width, as it may depend on the output height */
293  if ((ret = av_expr_parse_and_eval(&res, (expr = s->w_expr),
294  var_names, var_values,
295  NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
296  goto fail;
297  s->w = res;
298 
299  w = s->w;
300  h = s->h;
301 
302  /* Check if it is requested that the result has to be divisible by a some
303  * factor (w or h = -n with n being the factor). */
304  factor_w = 1;
305  factor_h = 1;
306  if (w < -1) {
307  factor_w = -w;
308  }
309  if (h < -1) {
310  factor_h = -h;
311  }
312 
313  if (w < 0 && h < 0)
314  s->w = s->h = 0;
315 
316  if (!(w = s->w))
317  w = inlink->w;
318  if (!(h = s->h))
319  h = inlink->h;
320 
321  /* Make sure that the result is divisible by the factor we determined
322  * earlier. If no factor was set, it is nothing will happen as the default
323  * factor is 1 */
324  if (w < 0)
325  w = av_rescale(h, inlink->w, inlink->h * factor_w) * factor_w;
326  if (h < 0)
327  h = av_rescale(w, inlink->h, inlink->w * factor_h) * factor_h;
328 
329  /* Note that force_original_aspect_ratio may overwrite the previous set
330  * dimensions so that it is not divisible by the set factors anymore. */
331  if (s->force_original_aspect_ratio) {
332  int tmp_w = av_rescale(h, inlink->w, inlink->h);
333  int tmp_h = av_rescale(w, inlink->h, inlink->w);
334 
335  if (s->force_original_aspect_ratio == 1) {
336  w = FFMIN(tmp_w, w);
337  h = FFMIN(tmp_h, h);
338  } else {
339  w = FFMAX(tmp_w, w);
340  h = FFMAX(tmp_h, h);
341  }
342  }
343 
344  if (w > INT_MAX || h > INT_MAX ||
345  (h * inlink->w) > INT_MAX ||
346  (w * inlink->h) > INT_MAX)
347  av_log(ctx, AV_LOG_ERROR, "Rescaled value for width or height is too big.\n");
348 
349  outlink->w = w;
350  outlink->h = h;
351 
352  s->first_time = 1;
353 
354  if (inlink->sample_aspect_ratio.num){
355  outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h * inlink->w, outlink->w * inlink->h}, inlink->sample_aspect_ratio);
356  } else
357  outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
358 
359  av_log(ctx, AV_LOG_TRACE, "w:%d h:%d fmt:%s sar:%d/%d -> w:%d h:%d fmt:%s sar:%d/%d\n",
360  inlink ->w, inlink ->h, av_get_pix_fmt_name( inlink->format),
361  inlink->sample_aspect_ratio.num, inlink->sample_aspect_ratio.den,
362  outlink->w, outlink->h, av_get_pix_fmt_name(outlink->format),
363  outlink->sample_aspect_ratio.num, outlink->sample_aspect_ratio.den);
364  return 0;
365 
366 fail:
367  av_log(ctx, AV_LOG_ERROR,
368  "Error when evaluating the expression '%s'.\n"
369  "Maybe the expression for out_w:'%s' or for out_h:'%s' is self-referencing.\n",
370  expr, s->w_expr, s->h_expr);
371  return ret;
372 }
373 
374 static int print_zimg_error(AVFilterContext *ctx)
375 {
376  char err_msg[1024];
377  int err_code = zimg_get_last_error(err_msg, sizeof(err_msg));
378 
379  av_log(ctx, AV_LOG_ERROR, "code %d: %s\n", err_code, err_msg);
380 
381  return AVERROR_EXTERNAL;
382 }
383 
384 static int convert_chroma_location(enum AVChromaLocation chroma_location)
385 {
386  switch (chroma_location) {
387  case AVCHROMA_LOC_UNSPECIFIED:
388  case AVCHROMA_LOC_LEFT:
389  return ZIMG_CHROMA_LEFT;
390  case AVCHROMA_LOC_CENTER:
391  return ZIMG_CHROMA_CENTER;
392  case AVCHROMA_LOC_TOPLEFT:
393  return ZIMG_CHROMA_TOP_LEFT;
394  case AVCHROMA_LOC_TOP:
395  return ZIMG_CHROMA_TOP;
396  case AVCHROMA_LOC_BOTTOMLEFT:
397  return ZIMG_CHROMA_BOTTOM_LEFT;
398  case AVCHROMA_LOC_BOTTOM:
399  return ZIMG_CHROMA_BOTTOM;
400  }
401  return ZIMG_CHROMA_LEFT;
402 }
403 
404 static int convert_matrix(enum AVColorSpace colorspace)
405 {
406  switch (colorspace) {
407  case AVCOL_SPC_RGB:
408  return ZIMG_MATRIX_RGB;
409  case AVCOL_SPC_BT709:
410  return ZIMG_MATRIX_709;
411  case AVCOL_SPC_UNSPECIFIED:
412  return ZIMG_MATRIX_UNSPECIFIED;
413  case AVCOL_SPC_FCC:
414  return ZIMG_MATRIX_FCC;
415  case AVCOL_SPC_BT470BG:
416  return ZIMG_MATRIX_470BG;
417  case AVCOL_SPC_SMPTE170M:
418  return ZIMG_MATRIX_170M;
419  case AVCOL_SPC_SMPTE240M:
420  return ZIMG_MATRIX_240M;
421  case AVCOL_SPC_YCGCO:
422  return ZIMG_MATRIX_YCGCO;
423  case AVCOL_SPC_BT2020_NCL:
424  return ZIMG_MATRIX_2020_NCL;
425  case AVCOL_SPC_BT2020_CL:
426  return ZIMG_MATRIX_2020_CL;
427  case AVCOL_SPC_CHROMA_DERIVED_NCL:
428  return ZIMG_MATRIX_CHROMATICITY_DERIVED_NCL;
429  case AVCOL_SPC_CHROMA_DERIVED_CL:
430  return ZIMG_MATRIX_CHROMATICITY_DERIVED_CL;
431  case AVCOL_SPC_ICTCP:
432  return ZIMG_MATRIX_ICTCP;
433  }
434  return ZIMG_MATRIX_UNSPECIFIED;
435 }
436 
437 static int convert_trc(enum AVColorTransferCharacteristic color_trc)
438 {
439  switch (color_trc) {
440  case AVCOL_TRC_UNSPECIFIED:
441  return ZIMG_TRANSFER_UNSPECIFIED;
442  case AVCOL_TRC_BT709:
443  return ZIMG_TRANSFER_709;
444  case AVCOL_TRC_GAMMA22:
445  return ZIMG_TRANSFER_470_M;
446  case AVCOL_TRC_GAMMA28:
447  return ZIMG_TRANSFER_470_BG;
448  case AVCOL_TRC_SMPTE170M:
449  return ZIMG_TRANSFER_601;
450  case AVCOL_TRC_SMPTE240M:
451  return ZIMG_TRANSFER_240M;
452  case AVCOL_TRC_LINEAR:
453  return ZIMG_TRANSFER_LINEAR;
454  case AVCOL_TRC_LOG:
455  return ZIMG_TRANSFER_LOG_100;
456  case AVCOL_TRC_LOG_SQRT:
457  return ZIMG_TRANSFER_LOG_316;
458  case AVCOL_TRC_IEC61966_2_4:
459  return ZIMG_TRANSFER_IEC_61966_2_4;
460  case AVCOL_TRC_BT2020_10:
461  return ZIMG_TRANSFER_2020_10;
462  case AVCOL_TRC_BT2020_12:
463  return ZIMG_TRANSFER_2020_12;
464  case AVCOL_TRC_SMPTE2084:
465  return ZIMG_TRANSFER_ST2084;
466  case AVCOL_TRC_ARIB_STD_B67:
467  return ZIMG_TRANSFER_ARIB_B67;
468  case AVCOL_TRC_IEC61966_2_1:
469  return ZIMG_TRANSFER_IEC_61966_2_1;
470  }
471  return ZIMG_TRANSFER_UNSPECIFIED;
472 }
473 
474 static int convert_primaries(enum AVColorPrimaries color_primaries)
475 {
476  switch (color_primaries) {
477  case AVCOL_PRI_UNSPECIFIED:
478  return ZIMG_PRIMARIES_UNSPECIFIED;
479  case AVCOL_PRI_BT709:
480  return ZIMG_PRIMARIES_709;
481  case AVCOL_PRI_BT470M:
482  return ZIMG_PRIMARIES_470_M;
483  case AVCOL_PRI_BT470BG:
484  return ZIMG_PRIMARIES_470_BG;
485  case AVCOL_PRI_SMPTE170M:
486  return ZIMG_PRIMARIES_170M;
487  case AVCOL_PRI_SMPTE240M:
488  return ZIMG_PRIMARIES_240M;
489  case AVCOL_PRI_FILM:
490  return ZIMG_PRIMARIES_FILM;
491  case AVCOL_PRI_BT2020:
492  return ZIMG_PRIMARIES_2020;
493  case AVCOL_PRI_SMPTE428:
494  return ZIMG_PRIMARIES_ST428;
495  case AVCOL_PRI_SMPTE431:
496  return ZIMG_PRIMARIES_ST431_2;
497  case AVCOL_PRI_SMPTE432:
498  return ZIMG_PRIMARIES_ST432_1;
499  case AVCOL_PRI_JEDEC_P22:
500  return ZIMG_PRIMARIES_EBU3213_E;
501  }
502  return ZIMG_PRIMARIES_UNSPECIFIED;
503 }
504 
505 static int convert_range(enum AVColorRange color_range)
506 {
507  switch (color_range) {
508  case AVCOL_RANGE_UNSPECIFIED:
509  case AVCOL_RANGE_MPEG:
510  return ZIMG_RANGE_LIMITED;
511  case AVCOL_RANGE_JPEG:
512  return ZIMG_RANGE_FULL;
513  }
514  return ZIMG_RANGE_LIMITED;
515 }
516 
517 static enum AVColorRange convert_range_from_zimg(enum zimg_pixel_range_e color_range)
518 {
519  switch (color_range) {
520  case ZIMG_RANGE_LIMITED:
521  return AVCOL_RANGE_MPEG;
522  case ZIMG_RANGE_FULL:
523  return AVCOL_RANGE_JPEG;
524  }
525  return AVCOL_RANGE_UNSPECIFIED;
526 }
527 
528 /* returns 0 if image formats are the same and 1 otherwise */
529 static int compare_zimg_image_formats(zimg_image_format *img_fmt0, zimg_image_format *img_fmt1)
530 {
531  return ((img_fmt0->chroma_location != img_fmt1->chroma_location) ||
532 #if ZIMG_API_VERSION >= 0x204
533  (img_fmt0->alpha != img_fmt1->alpha) ||
534 #endif
535  (img_fmt0->color_family != img_fmt1->color_family) ||
536  (img_fmt0->color_primaries != img_fmt1->color_primaries) ||
537  (img_fmt0->depth != img_fmt1->depth) ||
538  (img_fmt0->field_parity != img_fmt1->field_parity) ||
539  (img_fmt0->height != img_fmt1->height) ||
540  (img_fmt0->matrix_coefficients != img_fmt1->matrix_coefficients) ||
541  (img_fmt0->pixel_range != img_fmt1->pixel_range) ||
542  (img_fmt0->pixel_type != img_fmt1->pixel_type) ||
543  (img_fmt0->subsample_h != img_fmt1->subsample_h) ||
544  (img_fmt0->subsample_w != img_fmt1->subsample_w) ||
545  (img_fmt0->transfer_characteristics != img_fmt1->transfer_characteristics) ||
546  (img_fmt0->width != img_fmt1->width));
547 }
548 
549 /* returns 0 if graph builder parameters are the same and 1 otherwise */
550 static int compare_zimg_graph_builder_params(zimg_graph_builder_params *parm0, zimg_graph_builder_params *parm1)
551 {
552  /* the parameters that could be changed inside a single ffmpeg zscale invocation are checked only
553  and NaN values that are default for some params are treated properly*/
554  int ret = (parm0->allow_approximate_gamma != parm1->allow_approximate_gamma) ||
555  (parm0->dither_type != parm1->dither_type) ||
556  (parm0->resample_filter != parm1->resample_filter) ||
557  (parm0->resample_filter_uv != parm1->resample_filter_uv);
558 
559  if ((isnan(parm0->nominal_peak_luminance) == 0) || (isnan(parm1->nominal_peak_luminance) == 0))
560  ret = ret || (parm0->nominal_peak_luminance != parm1->nominal_peak_luminance);
561  if ((isnan(parm0->filter_param_a) == 0) || (isnan(parm1->filter_param_a) == 0))
562  ret = ret || (parm0->filter_param_a != parm1->filter_param_a);
563  if ((isnan(parm0->filter_param_a_uv) == 0) || (isnan(parm1->filter_param_a_uv) == 0))
564  ret = ret || (parm0->filter_param_a_uv != parm1->filter_param_a_uv);
565  if ((isnan(parm0->filter_param_b) == 0) || (isnan(parm1->filter_param_b) == 0))
566  ret = ret || (parm0->filter_param_b != parm1->filter_param_b);
567  if ((isnan(parm0->filter_param_b_uv) == 0) || (isnan(parm1->filter_param_b_uv) == 0))
568  ret = ret || (parm0->filter_param_b_uv != parm1->filter_param_b_uv);
569 
570  return ret;
571 }
572 
573 static void format_init(zimg_image_format *format, AVFrame *frame, const AVPixFmtDescriptor *desc,
574  int colorspace, int primaries, int transfer, int range, int location)
575 {
576  format->width = frame->width;
577  format->height = frame->height;
578  format->subsample_w = desc->log2_chroma_w;
579  format->subsample_h = desc->log2_chroma_h;
580  format->depth = desc->comp[0].depth;
581  format->pixel_type = (desc->flags & AV_PIX_FMT_FLAG_FLOAT) ? ZIMG_PIXEL_FLOAT : desc->comp[0].depth > 8 ? ZIMG_PIXEL_WORD : ZIMG_PIXEL_BYTE;
582  format->color_family = (desc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_COLOR_RGB : ZIMG_COLOR_YUV;
583  format->matrix_coefficients = (desc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_MATRIX_RGB : colorspace == -1 ? convert_matrix(frame->colorspace) : colorspace;
584  format->color_primaries = primaries == -1 ? convert_primaries(frame->color_primaries) : primaries;
585  format->transfer_characteristics = transfer == -1 ? convert_trc(frame->color_trc) : transfer;
586  format->pixel_range = (desc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_RANGE_FULL : range == -1 ? convert_range(frame->color_range) : range;
587  format->chroma_location = location == -1 ? convert_chroma_location(frame->chroma_location) : location;
588 }
589 
590 static int graphs_build(AVFrame *in, AVFrame *out, const AVPixFmtDescriptor *desc, const AVPixFmtDescriptor *out_desc,
591  AVFilterContext *ctx, int job_nr, int n_jobs)
592 {
593  ZScaleContext *s = ctx->priv;
594  int ret;
595  size_t size;
596  zimg_image_format src_format;
597  zimg_image_format dst_format;
598  zimg_image_format alpha_src_format;
599  zimg_image_format alpha_dst_format;
600  const double in_slice_start = s->in_slice_start[job_nr];
601  const double in_slice_end = s->in_slice_end[job_nr];
602  const int out_slice_start = s->out_slice_start[job_nr];
603  const int out_slice_end = s->out_slice_end[job_nr];
604 
605  src_format = s->src_format;
606  dst_format = s->dst_format;
607  /* The input slice is specified through the active_region field,
608  unlike the output slice.
609  according to zimg requirements input and output slices should have even dimensions */
610  src_format.active_region.width = in->width;
611  src_format.active_region.height = in_slice_end - in_slice_start;
612  src_format.active_region.left = 0;
613  src_format.active_region.top = in_slice_start;
614  //dst now is the single tile only!!
615  dst_format.width = out->width;
616  dst_format.height = out_slice_end - out_slice_start;
617 
618  if (s->graph[job_nr]) {
619  zimg_filter_graph_free(s->graph[job_nr]);
620  }
621  s->graph[job_nr] = zimg_filter_graph_build(&src_format, &dst_format, &s->params);
622  if (!s->graph[job_nr])
623  return print_zimg_error(ctx);
624 
625  ret = zimg_filter_graph_get_tmp_size(s->graph[job_nr], &size);
626  if (ret)
627  return print_zimg_error(ctx);
628 
629  if (size > (SIZE_MAX - ZIMG_ALIGNMENT))
630  return AVERROR(ENOMEM);
631 
632  if (s->tmp[job_nr])
633  av_freep(&s->tmp[job_nr]);
634  s->tmp[job_nr] = av_mallocz(size + ZIMG_ALIGNMENT);
635  if (!s->tmp[job_nr])
636  return AVERROR(ENOMEM);
637 
638  if (desc->flags & AV_PIX_FMT_FLAG_ALPHA && out_desc->flags & AV_PIX_FMT_FLAG_ALPHA) {
639  alpha_src_format = s->alpha_src_format;
640  alpha_dst_format = s->alpha_dst_format;
641  /* The input slice is specified through the active_region field, unlike the output slice.
642  according to zimg requirements input and output slices should have even dimentions */
643  alpha_src_format.active_region.width = in->width;
644  alpha_src_format.active_region.height = in_slice_end - in_slice_start;
645  alpha_src_format.active_region.left = 0;
646  alpha_src_format.active_region.top = in_slice_start;
647  //dst now is the single tile only!!
648  alpha_dst_format.width = out->width;
649  alpha_dst_format.height = out_slice_end - out_slice_start;
650 
651  if (s->alpha_graph[job_nr]) {
652  zimg_filter_graph_free(s->alpha_graph[job_nr]);
653  }
654  s->alpha_graph[job_nr] = zimg_filter_graph_build(&alpha_src_format, &alpha_dst_format, &s->alpha_params);
655  if (!s->alpha_graph[job_nr])
656  return print_zimg_error(ctx);
657  }
658  return 0;
659 }
660 
661 static int realign_frame(AVFilterLink *link, const AVPixFmtDescriptor *desc, AVFrame **frame, int needs_copy)
662 {
663  AVFrame *aligned = NULL;
664  int ret = 0, plane, planes;
665 
666  /* Realign any unaligned input frame. */
667  planes = av_pix_fmt_count_planes((*frame)->format);
668  for (plane = 0; plane < planes; plane++) {
669  int p = desc->comp[plane].plane;
670  if ((uintptr_t)(*frame)->data[p] % ZIMG_ALIGNMENT || (*frame)->linesize[p] % ZIMG_ALIGNMENT) {
671  aligned = ff_default_get_video_buffer2(link, (*frame)->width, (*frame)->height, ZIMG_ALIGNMENT);
672  if (!aligned)
673  return AVERROR(ENOMEM);
674 
675  if (needs_copy && (ret = av_frame_copy(aligned, *frame)) < 0)
676  goto fail;
677 
678  if (needs_copy && (ret = av_frame_copy_props(aligned, *frame)) < 0)
679  goto fail;
680 
681  av_frame_free(frame);
682  *frame = aligned;
683  return 0;
684  }
685  }
686 
687 fail:
688  av_frame_free(&aligned);
689  return ret;
690 }
691 
692 static void update_output_color_information(ZScaleContext *s, AVFrame *frame)
693 {
694  if (s->primaries != -1)
695  frame->color_primaries = (int)s->dst_format.color_primaries;
696 
697  if (s->trc != -1)
698  frame->color_trc = (int)s->dst_format.transfer_characteristics;
699 
700  if (s->chromal != -1)
701  frame->chroma_location = (int)s->dst_format.chroma_location + 1;
702 }
703 
704 static int filter_slice(AVFilterContext *ctx, void *data, int job_nr, int n_jobs)
705 {
706  ThreadData *td = data;
707  int ret = 0;
708  int p;
709  int need_gb;
710  ZScaleContext *s = ctx->priv;
711  zimg_image_buffer_const src_buf = { ZIMG_API_VERSION };
712  zimg_image_buffer dst_buf = { ZIMG_API_VERSION };
713  const int out_slice_start = s->out_slice_start[job_nr];
714 
715  /* create zimg filter graphs for each thread
716  only if not created earlier or there is some change in frame parameters */
717  need_gb = compare_zimg_image_formats(&s->src_format, &s->src_format_tmp) ||
718  compare_zimg_image_formats(&s->dst_format, &s->dst_format_tmp) ||
719  compare_zimg_graph_builder_params(&s->params, &s->params_tmp);
720  if(td->desc->flags & AV_PIX_FMT_FLAG_ALPHA && td->odesc->flags & AV_PIX_FMT_FLAG_ALPHA)
721  need_gb = need_gb || compare_zimg_image_formats(&s->alpha_src_format, &s->alpha_src_format_tmp) ||
722  compare_zimg_image_formats(&s->alpha_dst_format, &s->alpha_dst_format_tmp) ||
723  compare_zimg_graph_builder_params(&s->alpha_params, &s->alpha_params_tmp);
724 
725  if (need_gb){
726  ret = graphs_build(td->in, td->out, td->desc, td->odesc, ctx, job_nr, n_jobs);
727  if (ret < 0)
728  return print_zimg_error(ctx);
729  }
730  for (int i = 0; i < 3; i++) {
731  const int vsamp = i >= 1 ? td->odesc->log2_chroma_h : 0;
732 
733  p = td->desc->comp[i].plane;
734 
735  src_buf.plane[i].data = td->in->data[p];
736  src_buf.plane[i].stride = td->in->linesize[p];
737  src_buf.plane[i].mask = -1;
738 
739  p = td->odesc->comp[i].plane;
740  dst_buf.plane[i].data = td->out->data[p] + td->out->linesize[p] * (out_slice_start >> vsamp);
741  dst_buf.plane[i].stride = td->out->linesize[p];
742  dst_buf.plane[i].mask = -1;
743  }
744  if (!s->graph[job_nr])
745  return AVERROR(EINVAL);
746  ret = zimg_filter_graph_process(s->graph[job_nr], &src_buf, &dst_buf,
747  (uint8_t *)FFALIGN((uintptr_t)s->tmp[job_nr], ZIMG_ALIGNMENT),
748  0, 0, 0, 0);
749  if (ret)
750  return print_zimg_error(ctx);
751 
752  if (td->desc->flags & AV_PIX_FMT_FLAG_ALPHA && td->odesc->flags & AV_PIX_FMT_FLAG_ALPHA) {
753  src_buf.plane[0].data = td->in->data[3];
754  src_buf.plane[0].stride = td->in->linesize[3];
755  src_buf.plane[0].mask = -1;
756 
757  dst_buf.plane[0].data = td->out->data[3] + td->out->linesize[3] * out_slice_start;
758  dst_buf.plane[0].stride = td->out->linesize[3];
759  dst_buf.plane[0].mask = -1;
760 
761  if (!s->alpha_graph[job_nr])
762  return AVERROR(EINVAL);
763  ret = zimg_filter_graph_process(s->alpha_graph[job_nr], &src_buf, &dst_buf,
764  (uint8_t *)FFALIGN((uintptr_t)s->tmp[job_nr], ZIMG_ALIGNMENT),
765  0, 0, 0, 0);
766  if (ret)
767  return print_zimg_error(ctx);
768  }
769  return 0;
770 }
771 
772 static int filter_frame(AVFilterLink *link, AVFrame *in)
773 {
774  AVFilterContext *ctx = link->dst;
775  ZScaleContext *s = ctx->priv;
776  AVFilterLink *outlink = ctx->outputs[0];
777  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
778  const AVPixFmtDescriptor *odesc = av_pix_fmt_desc_get(outlink->format);
779  char buf[32];
780  int ret = 0;
781  AVFrame *out = NULL;
782  ThreadData td;
783 
784  //we need to use this filter if something is different for an input and output only
785  //otherwise - just copy the input frame to the output
786  if ((link->format != outlink->format) ||
787  (link->w != outlink->w) ||
788  (link->h != outlink->h) ||
789  (link->colorspace != outlink->colorspace) ||
790  (link->color_range != outlink->color_range) ||
791  s->first_time ||
792  (s->src_format.chroma_location != s->dst_format.chroma_location) ||
793  (s->src_format.color_family !=s->dst_format.color_family) ||
794  (s->src_format.color_primaries !=s->dst_format.color_primaries) ||
795  (s->src_format.depth !=s->dst_format.depth) ||
796  (s->src_format.matrix_coefficients !=s->dst_format.matrix_coefficients) ||
797  (s->src_format.field_parity !=s->dst_format.field_parity) ||
798  (s->src_format.pixel_range !=s->dst_format.pixel_range) ||
799  (s->src_format.pixel_type !=s->dst_format.pixel_type) ||
800  (s->src_format.transfer_characteristics !=s->dst_format.transfer_characteristics)
801  ){
802  out = ff_default_get_video_buffer2(outlink, outlink->w, outlink->h, ZIMG_ALIGNMENT);
803  if (!out) {
804  ret = AVERROR(ENOMEM);
805  goto fail;
806  }
807 
808  av_frame_copy_props(out, in);
809  out->colorspace = outlink->colorspace;
810  out->color_range = outlink->color_range;
811 
812  if ((ret = realign_frame(link, desc, &in, 1)) < 0)
813  goto fail;
814 
815  snprintf(buf, sizeof(buf)-1, "%d", outlink->w);
816  av_opt_set(s, "w", buf, 0);
817  snprintf(buf, sizeof(buf)-1, "%d", outlink->h);
818  av_opt_set(s, "h", buf, 0);
819 
820  link->dst->inputs[0]->format = in->format;
821  link->dst->inputs[0]->w = in->width;
822  link->dst->inputs[0]->h = in->height;
823  link->dst->inputs[0]->colorspace = in->colorspace;
824  link->dst->inputs[0]->color_range = in->color_range;
825 
826  s->nb_threads = av_clip(FFMIN(ff_filter_get_nb_threads(ctx), FFMIN(link->h, outlink->h) / MIN_TILESIZE), 1, MAX_THREADS);
827  slice_params(s, out->height, in->height);
828 
829  zimg_image_format_default(&s->src_format, ZIMG_API_VERSION);
830  zimg_image_format_default(&s->dst_format, ZIMG_API_VERSION);
831  zimg_graph_builder_params_default(&s->params, ZIMG_API_VERSION);
832 
833  format_init(&s->src_format, in, desc, s->colorspace_in,
834  s->primaries_in, s->trc_in, s->range_in, s->chromal_in);
835  format_init(&s->dst_format, out, odesc, s->colorspace,
836  s->primaries, s->trc, s->range, s->chromal);
837  s->first_time = 0;
838 
839  s->params.dither_type = s->dither;
840  s->params.cpu_type = ZIMG_CPU_AUTO_64B;
841  s->params.resample_filter = s->filter;
842  s->params.resample_filter_uv = s->filter;
843  s->params.nominal_peak_luminance = s->nominal_peak_luminance;
844  s->params.allow_approximate_gamma = s->approximate_gamma;
845  s->params.filter_param_a = s->params.filter_param_a_uv = s->param_a;
846  s->params.filter_param_b = s->params.filter_param_b_uv = s->param_b;
847 
848  if (desc->flags & AV_PIX_FMT_FLAG_ALPHA && odesc->flags & AV_PIX_FMT_FLAG_ALPHA) {
849  zimg_image_format_default(&s->alpha_src_format, ZIMG_API_VERSION);
850  zimg_image_format_default(&s->alpha_dst_format, ZIMG_API_VERSION);
851  zimg_graph_builder_params_default(&s->alpha_params, ZIMG_API_VERSION);
852 
853  s->alpha_params.dither_type = s->dither;
854  s->alpha_params.cpu_type = ZIMG_CPU_AUTO_64B;
855  s->alpha_params.resample_filter = s->filter;
856 
857  s->alpha_src_format.width = in->width;
858  s->alpha_src_format.height = in->height;
859  s->alpha_src_format.depth = desc->comp[0].depth;
860  s->alpha_src_format.pixel_type = (desc->flags & AV_PIX_FMT_FLAG_FLOAT) ? ZIMG_PIXEL_FLOAT : desc->comp[0].depth > 8 ? ZIMG_PIXEL_WORD : ZIMG_PIXEL_BYTE;
861  s->alpha_src_format.color_family = ZIMG_COLOR_GREY;
862 
863  s->alpha_dst_format.depth = odesc->comp[0].depth;
864  s->alpha_dst_format.pixel_type = (odesc->flags & AV_PIX_FMT_FLAG_FLOAT) ? ZIMG_PIXEL_FLOAT : odesc->comp[0].depth > 8 ? ZIMG_PIXEL_WORD : ZIMG_PIXEL_BYTE;
865  s->alpha_dst_format.color_family = ZIMG_COLOR_GREY;
866  }
867 
868  update_output_color_information(s, out);
869  av_reduce(&out->sample_aspect_ratio.num, &out->sample_aspect_ratio.den,
870  (int64_t)in->sample_aspect_ratio.num * outlink->h * link->w,
871  (int64_t)in->sample_aspect_ratio.den * outlink->w * link->h,
872  INT_MAX);
873 
874  td.in = in;
875  td.out = out;
876  td.desc = desc;
877  td.odesc = odesc;
878 
879  memset(s->jobs_ret, 0, s->nb_threads * sizeof(*s->jobs_ret));
880  ret = ff_filter_execute(ctx, filter_slice, &td, s->jobs_ret, s->nb_threads);
881  for (int i = 0; ret >= 0 && i < s->nb_threads; i++)
882  if (s->jobs_ret[i] < 0)
883  ret = s->jobs_ret[i];
884  if (ret < 0) {
885  av_frame_free(&in);
886  av_frame_free(&out);
887  return ret;
888  }
889 
890  s->src_format_tmp = s->src_format;
891  s->dst_format_tmp = s->dst_format;
892  s->params_tmp = s->params;
893  if (desc->flags & AV_PIX_FMT_FLAG_ALPHA && odesc->flags & AV_PIX_FMT_FLAG_ALPHA) {
894  s->alpha_src_format_tmp = s->alpha_src_format;
895  s->alpha_dst_format_tmp = s->alpha_dst_format;
896  s->alpha_params_tmp = s->alpha_params;
897  }
898 
899  if ((!(desc->flags & AV_PIX_FMT_FLAG_ALPHA)) && (odesc->flags & AV_PIX_FMT_FLAG_ALPHA) ){
900  int x, y;
901  if (odesc->flags & AV_PIX_FMT_FLAG_FLOAT) {
902  for (y = 0; y < out->height; y++) {
903  const ptrdiff_t row = y * out->linesize[3];
904  for (x = 0; x < out->width; x++) {
905  AV_WN32(out->data[3] + x * odesc->comp[3].step + row,
906  av_float2int(1.0f));
907  }
908  }
909  } else if (s->dst_format.depth == 8) {
910  for (y = 0; y < outlink->h; y++)
911  memset(out->data[3] + y * out->linesize[3], 0xff, outlink->w);
912  } else {
913  const uint16_t max = (1 << s->dst_format.depth) - 1;
914  for (y = 0; y < outlink->h; y++) {
915  const ptrdiff_t row = y * out->linesize[3];
916  for (x = 0; x < out->width; x++)
917  AV_WN16(out->data[3] + x * odesc->comp[3].step + row, max);
918  }
919  }
920  }
921  } else {
922  /*no need for any filtering */
923  return ff_filter_frame(outlink, in);
924  }
925 fail:
926  av_frame_free(&in);
927  if (ret) {
928  av_frame_free(&out);
929  return ret;
930  }
931 
932  return ff_filter_frame(outlink, out);
933 }
934 
935 static av_cold void uninit(AVFilterContext *ctx)
936 {
937  ZScaleContext *s = ctx->priv;
938 
939  for (int i = 0; i < s->nb_threads; i++) {
940  av_freep(&s->tmp[i]);
941  if (s->graph[i]) {
942  zimg_filter_graph_free(s->graph[i]);
943  s->graph[i] = NULL;
944  }
945  if (s->alpha_graph[i]) {
946  zimg_filter_graph_free(s->alpha_graph[i]);
947  s->alpha_graph[i] = NULL;
948  }
949  }
950 }
951 
952 static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
953  char *res, int res_len, int flags)
954 {
955  ZScaleContext *s = ctx->priv;
956  int ret;
957 
958  if ( !strcmp(cmd, "width") || !strcmp(cmd, "w")
959  || !strcmp(cmd, "height") || !strcmp(cmd, "h")) {
960 
961  int old_w = s->w;
962  int old_h = s->h;
963  AVFilterLink *outlink = ctx->outputs[0];
964 
965  av_opt_set(s, cmd, args, 0);
966  if ((ret = config_props(outlink)) < 0) {
967  s->w = old_w;
968  s->h = old_h;
969  }
970  } else
971  ret = AVERROR(ENOSYS);
972 
973  return ret;
974 }
975 
976 #define OFFSET(x) offsetof(ZScaleContext, x)
977 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
978 #define TFLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
979 
980 static const AVOption zscale_options[] = {
981  { "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, .flags = TFLAGS },
982  { "width", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, .flags = TFLAGS },
983  { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, .flags = TFLAGS },
984  { "height", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, .flags = TFLAGS },
985  { "size", "set video size", OFFSET(size_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, FLAGS },
986  { "s", "set video size", OFFSET(size_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, FLAGS },
987  { "dither", "set dither type", OFFSET(dither), AV_OPT_TYPE_INT, {.i64 = 0}, 0, ZIMG_DITHER_ERROR_DIFFUSION, FLAGS, .unit = "dither" },
988  { "d", "set dither type", OFFSET(dither), AV_OPT_TYPE_INT, {.i64 = 0}, 0, ZIMG_DITHER_ERROR_DIFFUSION, FLAGS, .unit = "dither" },
989  { "none", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_DITHER_NONE}, 0, 0, FLAGS, .unit = "dither" },
990  { "ordered", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_DITHER_ORDERED}, 0, 0, FLAGS, .unit = "dither" },
991  { "random", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_DITHER_RANDOM}, 0, 0, FLAGS, .unit = "dither" },
992  { "error_diffusion", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_DITHER_ERROR_DIFFUSION}, 0, 0, FLAGS, .unit = "dither" },
993  { "filter", "set filter type", OFFSET(filter), AV_OPT_TYPE_INT, {.i64 = ZIMG_RESIZE_BILINEAR}, 0, ZIMG_RESIZE_LANCZOS, FLAGS, .unit = "filter" },
994  { "f", "set filter type", OFFSET(filter), AV_OPT_TYPE_INT, {.i64 = ZIMG_RESIZE_BILINEAR}, 0, ZIMG_RESIZE_LANCZOS, FLAGS, .unit = "filter" },
995  { "point", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_POINT}, 0, 0, FLAGS, .unit = "filter" },
996  { "bilinear", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_BILINEAR}, 0, 0, FLAGS, .unit = "filter" },
997  { "bicubic", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_BICUBIC}, 0, 0, FLAGS, .unit = "filter" },
998  { "spline16", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_SPLINE16}, 0, 0, FLAGS, .unit = "filter" },
999  { "spline36", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_SPLINE36}, 0, 0, FLAGS, .unit = "filter" },
1000  { "lanczos", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_LANCZOS}, 0, 0, FLAGS, .unit = "filter" },
1001  { "out_range", "set color range", OFFSET(range), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_RANGE_FULL, FLAGS, .unit = "range" },
1002  { "range", "set color range", OFFSET(range), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_RANGE_FULL, FLAGS, .unit = "range" },
1003  { "r", "set color range", OFFSET(range), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_RANGE_FULL, FLAGS, .unit = "range" },
1004  { "input", 0, 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, FLAGS, .unit = "range" },
1005  { "limited", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RANGE_LIMITED}, 0, 0, FLAGS, .unit = "range" },
1006  { "full", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RANGE_FULL}, 0, 0, FLAGS, .unit = "range" },
1007  { "unknown", 0, 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, FLAGS, .unit = "range" },
1008  { "tv", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RANGE_LIMITED}, 0, 0, FLAGS, .unit = "range" },
1009  { "pc", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_RANGE_FULL}, 0, 0, FLAGS, .unit = "range" },
1010  { "primaries", "set color primaries", OFFSET(primaries), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, .unit = "primaries" },
1011  { "p", "set color primaries", OFFSET(primaries), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, .unit = "primaries" },
1012  { "input", 0, 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, FLAGS, .unit = "primaries" },
1013  { "709", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_709}, 0, 0, FLAGS, .unit = "primaries" },
1014  { "unspecified", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_UNSPECIFIED}, 0, 0, FLAGS, .unit = "primaries" },
1015  { "170m", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_170M}, 0, 0, FLAGS, .unit = "primaries" },
1016  { "240m", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_240M}, 0, 0, FLAGS, .unit = "primaries" },
1017  { "2020", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_2020}, 0, 0, FLAGS, .unit = "primaries" },
1018  { "unknown", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_UNSPECIFIED}, 0, 0, FLAGS, .unit = "primaries" },
1019  { "bt709", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_709}, 0, 0, FLAGS, .unit = "primaries" },
1020  { "bt470m", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_470_M}, 0, 0, FLAGS, .unit = "primaries" },
1021  { "bt470bg", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_470_BG}, 0, 0, FLAGS, .unit = "primaries" },
1022  { "smpte170m", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_170M}, 0, 0, FLAGS, .unit = "primaries" },
1023  { "smpte240m", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_240M}, 0, 0, FLAGS, .unit = "primaries" },
1024  { "film", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_FILM}, 0, 0, FLAGS, .unit = "primaries" },
1025  { "bt2020", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_2020}, 0, 0, FLAGS, .unit = "primaries" },
1026  { "smpte428", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_ST428}, 0, 0, FLAGS, .unit = "primaries" },
1027  { "smpte431", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_ST431_2}, 0, 0, FLAGS, .unit = "primaries" },
1028  { "smpte432", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_ST432_1}, 0, 0, FLAGS, .unit = "primaries" },
1029  { "jedec-p22", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_EBU3213_E}, 0, 0, FLAGS, .unit = "primaries" },
1030  { "ebu3213", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_EBU3213_E}, 0, 0, FLAGS, .unit = "primaries" },
1031  { "transfer", "set transfer characteristic", OFFSET(trc), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, .unit = "transfer" },
1032  { "t", "set transfer characteristic", OFFSET(trc), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, .unit = "transfer" },
1033  { "input", 0, 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, FLAGS, .unit = "transfer" },
1034  { "709", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_709}, 0, 0, FLAGS, .unit = "transfer" },
1035  { "unspecified", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_UNSPECIFIED}, 0, 0, FLAGS, .unit = "transfer" },
1036  { "601", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_601}, 0, 0, FLAGS, .unit = "transfer" },
1037  { "linear", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_LINEAR}, 0, 0, FLAGS, .unit = "transfer" },
1038  { "2020_10", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_2020_10}, 0, 0, FLAGS, .unit = "transfer" },
1039  { "2020_12", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_2020_12}, 0, 0, FLAGS, .unit = "transfer" },
1040  { "unknown", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_UNSPECIFIED}, 0, 0, FLAGS, .unit = "transfer" },
1041  { "bt470m", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_470_M}, 0, 0, FLAGS, .unit = "transfer" },
1042  { "bt470bg", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_470_BG}, 0, 0, FLAGS, .unit = "transfer" },
1043  { "smpte170m", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_601}, 0, 0, FLAGS, .unit = "transfer" },
1044  { "smpte240m", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_240M}, 0, 0, FLAGS, .unit = "transfer" },
1045  { "bt709", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_709}, 0, 0, FLAGS, .unit = "transfer" },
1046  { "linear", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_LINEAR}, 0, 0, FLAGS, .unit = "transfer" },
1047  { "log100", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_LOG_100}, 0, 0, FLAGS, .unit = "transfer" },
1048  { "log316", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_LOG_316}, 0, 0, FLAGS, .unit = "transfer" },
1049  { "bt2020-10", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_2020_10}, 0, 0, FLAGS, .unit = "transfer" },
1050  { "bt2020-12", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_2020_12}, 0, 0, FLAGS, .unit = "transfer" },
1051  { "smpte2084", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_ST2084}, 0, 0, FLAGS, .unit = "transfer" },
1052  { "iec61966-2-4", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_IEC_61966_2_4},0, 0, FLAGS, .unit = "transfer" },
1053  { "iec61966-2-1", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_IEC_61966_2_1},0, 0, FLAGS, .unit = "transfer" },
1054  { "arib-std-b67", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_ARIB_B67}, 0, 0, FLAGS, .unit = "transfer" },
1055  { "matrix", "set colorspace matrix", OFFSET(colorspace), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, .unit = "matrix" },
1056  { "m", "set colorspace matrix", OFFSET(colorspace), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, .unit = "matrix" },
1057  { "input", 0, 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, FLAGS, .unit = "matrix" },
1058  { "709", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_709}, 0, 0, FLAGS, .unit = "matrix" },
1059  { "unspecified", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_UNSPECIFIED}, 0, 0, FLAGS, .unit = "matrix" },
1060  { "470bg", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_470BG}, 0, 0, FLAGS, .unit = "matrix" },
1061  { "170m", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_170M}, 0, 0, FLAGS, .unit = "matrix" },
1062  { "2020_ncl", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_2020_NCL}, 0, 0, FLAGS, .unit = "matrix" },
1063  { "2020_cl", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_2020_CL}, 0, 0, FLAGS, .unit = "matrix" },
1064  { "unknown", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_UNSPECIFIED}, 0, 0, FLAGS, .unit = "matrix" },
1065  { "gbr", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_RGB}, 0, 0, FLAGS, .unit = "matrix" },
1066  { "bt709", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_709}, 0, 0, FLAGS, .unit = "matrix" },
1067  { "fcc", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_FCC}, 0, 0, FLAGS, .unit = "matrix" },
1068  { "bt470bg", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_470BG}, 0, 0, FLAGS, .unit = "matrix" },
1069  { "smpte170m", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_170M}, 0, 0, FLAGS, .unit = "matrix" },
1070  { "smpte240m", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_240M}, 0, 0, FLAGS, .unit = "matrix" },
1071  { "ycgco", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_YCGCO}, 0, 0, FLAGS, .unit = "matrix" },
1072  { "bt2020nc", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_2020_NCL}, 0, 0, FLAGS, .unit = "matrix" },
1073  { "bt2020c", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_2020_CL}, 0, 0, FLAGS, .unit = "matrix" },
1074  { "chroma-derived-nc",0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_CHROMATICITY_DERIVED_NCL}, 0, 0, FLAGS, .unit = "matrix" },
1075  { "chroma-derived-c", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_CHROMATICITY_DERIVED_CL}, 0, 0, FLAGS, .unit = "matrix" },
1076  { "ictcp", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_ICTCP}, 0, 0, FLAGS, .unit = "matrix" },
1077  { "in_range", "set input color range", OFFSET(range_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_RANGE_FULL, FLAGS, .unit = "range" },
1078  { "rangein", "set input color range", OFFSET(range_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_RANGE_FULL, FLAGS, .unit = "range" },
1079  { "rin", "set input color range", OFFSET(range_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_RANGE_FULL, FLAGS, .unit = "range" },
1080  { "primariesin", "set input color primaries", OFFSET(primaries_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, .unit = "primaries" },
1081  { "pin", "set input color primaries", OFFSET(primaries_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, .unit = "primaries" },
1082  { "transferin", "set input transfer characteristic", OFFSET(trc_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, .unit = "transfer" },
1083  { "tin", "set input transfer characteristic", OFFSET(trc_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, .unit = "transfer" },
1084  { "matrixin", "set input colorspace matrix", OFFSET(colorspace_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, .unit = "matrix" },
1085  { "min", "set input colorspace matrix", OFFSET(colorspace_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, .unit = "matrix" },
1086  { "chromal", "set output chroma location", OFFSET(chromal), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_CHROMA_BOTTOM, FLAGS, .unit = "chroma" },
1087  { "c", "set output chroma location", OFFSET(chromal), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_CHROMA_BOTTOM, FLAGS, .unit = "chroma" },
1088  { "input", 0, 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, FLAGS, .unit = "chroma" },
1089  { "left", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_CHROMA_LEFT}, 0, 0, FLAGS, .unit = "chroma" },
1090  { "center", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_CHROMA_CENTER}, 0, 0, FLAGS, .unit = "chroma" },
1091  { "topleft", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_CHROMA_TOP_LEFT}, 0, 0, FLAGS, .unit = "chroma" },
1092  { "top", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_CHROMA_TOP}, 0, 0, FLAGS, .unit = "chroma" },
1093  { "bottomleft",0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_CHROMA_BOTTOM_LEFT}, 0, 0, FLAGS, .unit = "chroma" },
1094  { "bottom", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_CHROMA_BOTTOM}, 0, 0, FLAGS, .unit = "chroma" },
1095  { "chromalin", "set input chroma location", OFFSET(chromal_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_CHROMA_BOTTOM, FLAGS, .unit = "chroma" },
1096  { "cin", "set input chroma location", OFFSET(chromal_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_CHROMA_BOTTOM, FLAGS, .unit = "chroma" },
1097  { "npl", "set nominal peak luminance", OFFSET(nominal_peak_luminance), AV_OPT_TYPE_DOUBLE, {.dbl = NAN}, 0, DBL_MAX, FLAGS },
1098  { "agamma", "allow approximate gamma", OFFSET(approximate_gamma), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, FLAGS },
1099  { "param_a", "parameter A, which is parameter \"b\" for bicubic, "
1100  "and the number of filter taps for lanczos", OFFSET(param_a), AV_OPT_TYPE_DOUBLE, {.dbl = NAN}, -DBL_MAX, DBL_MAX, FLAGS },
1101  { "param_b", "parameter B, which is parameter \"c\" for bicubic", OFFSET(param_b), AV_OPT_TYPE_DOUBLE, {.dbl = NAN}, -DBL_MAX, DBL_MAX, FLAGS },
1102  { NULL }
1103 };
1104 
1105 AVFILTER_DEFINE_CLASS(zscale);
1106 
1107 static const AVFilterPad avfilter_vf_zscale_inputs[] = {
1108  {
1109  .name = "default",
1110  .type = AVMEDIA_TYPE_VIDEO,
1111  .filter_frame = filter_frame,
1112  },
1113 };
1114 
1115 static const AVFilterPad avfilter_vf_zscale_outputs[] = {
1116  {
1117  .name = "default",
1118  .type = AVMEDIA_TYPE_VIDEO,
1119  .config_props = config_props,
1120  },
1121 };
1122 
1123 const AVFilter ff_vf_zscale = {
1124  .name = "zscale",
1125  .description = NULL_IF_CONFIG_SMALL("Apply resizing, colorspace and bit depth conversion."),
1126  .init = init,
1127  .priv_size = sizeof(ZScaleContext),
1128  .priv_class = &zscale_class,
1129  .uninit = uninit,
1130  FILTER_INPUTS(avfilter_vf_zscale_inputs),
1131  FILTER_OUTPUTS(avfilter_vf_zscale_outputs),
1132  FILTER_QUERY_FUNC(query_formats),
1133  .process_command = process_command,
1134  .flags = AVFILTER_FLAG_SLICE_THREADS,
1135 };
formats
formats
Definition: signature.h:47
ff_default_get_video_buffer2
AVFrame * ff_default_get_video_buffer2(AVFilterLink *link, int w, int h, int align)
Definition: video.c:49
AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:522
AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:501
AVFrame::color_range
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: frame.h:668
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:71
av_clip
#define av_clip
Definition: common.h:100
ZScaleContext::jobs_ret
int jobs_ret[MAX_THREADS]
Definition: vf_zscale.c:116
ZScaleContext::range_in
int range_in
Definition: vf_zscale.c:100
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
var_name
var_name
Definition: noise.c:47
ff_make_format_list
AVFilterFormats * ff_make_format_list(const int *fmts)
Create a list of supported formats.
Definition: formats.c:435
ZScaleContext::colorspace_in
int colorspace_in
Definition: vf_zscale.c:97
AVColorTransferCharacteristic
AVColorTransferCharacteristic
Color Transfer Characteristic.
Definition: pixfmt.h:580
convert_range_from_zimg
static enum AVColorRange convert_range_from_zimg(enum zimg_pixel_range_e color_range)
Definition: vf_zscale.c:517
ThreadData::odesc
const AVPixFmtDescriptor * odesc
Definition: vf_zscale.c:132
out
FILE * out
Definition: movenc.c:55
ZScaleContext::out_slice_end
int out_slice_end[MAX_THREADS]
Definition: vf_zscale.c:120
uninit
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_zscale.c:935
ZScaleContext::params_tmp
zimg_graph_builder_params params_tmp
Definition: vf_zscale.c:127
ff_filter_frame
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Definition: avfilter.c:1023
av_pix_fmt_desc_get
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2965
AVCOL_TRC_LINEAR
@ AVCOL_TRC_LINEAR
"Linear transfer characteristics"
Definition: pixfmt.h:589
AVCHROMA_LOC_BOTTOM
@ AVCHROMA_LOC_BOTTOM
Definition: pixfmt.h:712
ZScaleContext::h_expr
char * h_expr
height expression string
Definition: vf_zscale.c:109
ZScaleContext::filter
int filter
Definition: vf_zscale.c:91
ZIMG_ALIGNMENT
#define ZIMG_ALIGNMENT
Definition: vf_zscale.c:46
int64_t
long long int64_t
Definition: coverity.c:34
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
AV_PIX_FMT_FLAG_FLOAT
#define AV_PIX_FMT_FLAG_FLOAT
The pixel format contains IEEE-754 floating point values.
Definition: pixdesc.h:158
AVFrame::color_primaries
enum AVColorPrimaries color_primaries
Definition: frame.h:670
ZScaleContext::alpha_params_tmp
zimg_graph_builder_params alpha_params_tmp
Definition: vf_zscale.c:127
av_frame_free
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:162
AV_PIX_FMT_YUVA422P9
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:514
AVFrame::colorspace
enum AVColorSpace colorspace
YUV colorspace type.
Definition: frame.h:679
ZScaleContext::chromal
int chromal
Definition: vf_zscale.c:96
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: filters.h:262
realign_frame
static int realign_frame(AVFilterLink *link, const AVPixFmtDescriptor *desc, AVFrame **frame, int needs_copy)
Definition: vf_zscale.c:661
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:389
VAR_VSUB
@ VAR_VSUB
Definition: vf_zscale.c:74
pixdesc.h
TFLAGS
#define TFLAGS
Definition: vf_zscale.c:978
var_names
static const char *const var_names[]
Definition: vf_zscale.c:50
AVFrame::width
int width
Definition: frame.h:461
config_props
static int config_props(AVFilterLink *outlink)
Definition: vf_zscale.c:256
AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:521
w
uint8_t w
Definition: llviddspenc.c:38
AVCOL_RANGE_JPEG
@ AVCOL_RANGE_JPEG
Full range content.
Definition: pixfmt.h:686
ZScaleContext::colorspace
int colorspace
Definition: vf_zscale.c:92
AVComponentDescriptor::depth
int depth
Number of bits in the component.
Definition: pixdesc.h:57
AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:516
ZScaleContext::alpha_src_format
zimg_image_format alpha_src_format
Definition: vf_zscale.c:123
AVOption
AVOption.
Definition: opt.h:429
AVCOL_TRC_UNSPECIFIED
@ AVCOL_TRC_UNSPECIFIED
Definition: pixfmt.h:583
data
const char data[16]
Definition: mxf.c:148
AVComponentDescriptor::step
int step
Number of elements between 2 horizontally consecutive pixels.
Definition: pixdesc.h:40
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:478
AVCOL_PRI_JEDEC_P22
@ AVCOL_PRI_JEDEC_P22
Definition: pixfmt.h:572
format_init
static void format_init(zimg_image_format *format, AVFrame *frame, const AVPixFmtDescriptor *desc, int colorspace, int primaries, int transfer, int range, int location)
Definition: vf_zscale.c:573
ThreadData::desc
const AVPixFmtDescriptor * desc
Definition: vf_tonemap.c:175
AVCOL_SPC_RGB
@ AVCOL_SPC_RGB
order of coefficients is actually GBR, also IEC 61966-2-1 (sRGB), YZX and ST 428-1
Definition: pixfmt.h:610
float.h
AVCOL_TRC_BT2020_12
@ AVCOL_TRC_BT2020_12
ITU-R BT2020 for 12-bit system.
Definition: pixfmt.h:596
filter
void(* filter)(uint8_t *src, int stride, int qscale)
Definition: h263dsp.c:29
pixel_fmts
static enum AVPixelFormat pixel_fmts[]
Definition: vf_amplify.c:52
AV_PIX_FMT_YUV440P
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:106
max
#define max(a, b)
Definition: cuda_runtime.h:33
mathematics.h
FFMAX
#define FFMAX(a, b)
Definition: macros.h:47
zscale_options
static const AVOption zscale_options[]
Definition: vf_zscale.c:980
AVColorPrimaries
AVColorPrimaries
Chromaticity coordinates of the source primaries.
Definition: pixfmt.h:555
AVFilter::name
const char * name
Filter name.
Definition: avfilter.h:205
av_float2int
static av_always_inline uint32_t av_float2int(float f)
Reinterpret a float as a 32-bit integer.
Definition: intfloat.h:50
ThreadData::out
AVFrame * out
Definition: af_adeclick.c:526
video.h
ThreadData::in
AVFrame * in
Definition: af_adecorrelate.c:155
AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:517
ZScaleContext::h
int h
Definition: vf_zscale.c:89
AVCOL_SPC_BT2020_CL
@ AVCOL_SPC_BT2020_CL
ITU-R BT2020 constant luminance system.
Definition: pixfmt.h:621
ff_make_formats_list_singleton
AVFilterFormats * ff_make_formats_list_singleton(int fmt)
Equivalent to ff_make_format_list({const int[]}{ fmt, -1 })
Definition: formats.c:529
ZScaleContext::primaries
int primaries
Definition: vf_zscale.c:94
AVFrame::data
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:410
ZScaleContext::nb_threads
int nb_threads
Definition: vf_zscale.c:115
AVFilterFormats
A list of supported formats for one end of a filter link.
Definition: formats.h:64
formats.h
ZScaleContext::param_b
double param_b
Definition: vf_zscale.c:106
VAR_OUT_W
@ VAR_OUT_W
Definition: vf_zscale.c:68
primaries
enum AVColorPrimaries primaries
Definition: mediacodec_wrapper.c:2482
AVFrame::chroma_location
enum AVChromaLocation chroma_location
Definition: frame.h:681
av_pix_fmt_count_planes
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:3005
AVCOL_SPC_BT470BG
@ AVCOL_SPC_BT470BG
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601
Definition: pixfmt.h:615
AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:513
convert_primaries
static int convert_primaries(enum AVColorPrimaries color_primaries)
Definition: vf_zscale.c:474
ZScaleContext::out_slice_start
int out_slice_start[MAX_THREADS]
Definition: vf_zscale.c:119
ZScaleContext::dst_format
zimg_image_format dst_format
Definition: vf_zscale.c:122
AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:496
AVCOL_TRC_IEC61966_2_1
@ AVCOL_TRC_IEC61966_2_1
IEC 61966-2-1 (sRGB or sYCC)
Definition: pixfmt.h:594
slice_end
static int slice_end(AVCodecContext *avctx, AVFrame *pict, int *got_output)
Handle slice ends.
Definition: mpeg12dec.c:1719
AV_PIX_FMT_GBRAP
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:212
ZScaleContext::src_format
zimg_image_format src_format
Definition: vf_zscale.c:122
fail
#define fail()
Definition: checkasm.h:188
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:494
AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:523
ZScaleContext::range
int range
Definition: vf_zscale.c:95
VAR_OW
@ VAR_OW
Definition: vf_zscale.c:68
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:476
AVCOL_TRC_GAMMA28
@ AVCOL_TRC_GAMMA28
also ITU-R BT470BG
Definition: pixfmt.h:586
convert_matrix
static int convert_matrix(enum AVColorSpace colorspace)
Definition: vf_zscale.c:404
query_formats
static int query_formats(AVFilterContext *ctx)
Definition: vf_zscale.c:186
ZScaleContext::alpha_params
zimg_graph_builder_params alpha_params
Definition: vf_zscale.c:126
av_opt_set
int av_opt_set(void *obj, const char *name, const char *val, int search_flags)
Definition: opt.c:748
AVCOL_TRC_LOG_SQRT
@ AVCOL_TRC_LOG_SQRT
"Logarithmic transfer characteristic (100 * Sqrt(10) : 1 range)"
Definition: pixfmt.h:591
av_reduce
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
Definition: rational.c:35
AVRational::num
int num
Numerator.
Definition: rational.h:59
AVCOL_TRC_GAMMA22
@ AVCOL_TRC_GAMMA22
also ITU-R BT470M / ITU-R BT1700 625 PAL & SECAM
Definition: pixfmt.h:585
AVFilterPad
A filter pad used for either input or output.
Definition: filters.h:38
process_command
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
Definition: vf_zscale.c:952
VAR_SAR
@ VAR_SAR
Definition: vf_zscale.c:71
compare_zimg_graph_builder_params
static int compare_zimg_graph_builder_params(zimg_graph_builder_params *parm0, zimg_graph_builder_params *parm1)
Definition: vf_zscale.c:550
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:481
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:283
aligned
static int aligned(int val)
Definition: dashdec.c:171
ZScaleContext::tmp
void * tmp[MAX_THREADS]
Definition: vf_zscale.c:114
AV_LOG_TRACE
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:206
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:180
av_cold
#define av_cold
Definition: attributes.h:90
AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:490
ZScaleContext::graph
zimg_filter_graph * graph[MAX_THREADS]
Definition: vf_zscale.c:128
ZScaleContext::alpha_dst_format_tmp
zimg_image_format alpha_dst_format_tmp
Definition: vf_zscale.c:125
AV_PIX_FMT_YUVJ422P
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:86
AV_PIX_FMT_GBRAP10
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:498
ZScaleContext::param_a
double param_a
Definition: vf_zscale.c:105
intreadwrite.h
s
#define s(width, name)
Definition: cbs_vp9.c:198
AVCHROMA_LOC_TOP
@ AVCHROMA_LOC_TOP
Definition: pixfmt.h:710
AV_PIX_FMT_GBRAP14
#define AV_PIX_FMT_GBRAP14
Definition: pixfmt.h:500
AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:499
ZScaleContext
Definition: vf_zscale.c:80
AV_PIX_FMT_YUVA420P
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:108
graphs_build
static int graphs_build(AVFrame *in, AVFrame *out, const AVPixFmtDescriptor *desc, const AVPixFmtDescriptor *out_desc, AVFilterContext *ctx, int job_nr, int n_jobs)
Definition: vf_zscale.c:590
AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:491
ZScaleContext::force_original_aspect_ratio
int force_original_aspect_ratio
Definition: vf_zscale.c:112
format
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 format(the sample packing is implied by the sample format) and sample rate. The lists are not just lists
AVCOL_SPC_SMPTE170M
@ AVCOL_SPC_SMPTE170M
also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC / functionally identical to above
Definition: pixfmt.h:616
approximate_gamma
static const double approximate_gamma[AVCOL_TRC_NB]
Definition: csp.c:135
AV_OPT_TYPE_DOUBLE
@ AV_OPT_TYPE_DOUBLE
Underlying C type is double.
Definition: opt.h:267
ff_formats_ref
int ff_formats_ref(AVFilterFormats *f, AVFilterFormats **ref)
Add *ref as a new reference to formats.
Definition: formats.c:678
ZScaleContext::src_format_tmp
zimg_image_format src_format_tmp
Definition: vf_zscale.c:124
filters.h
AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:520
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:475
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:489
AV_PIX_FMT_FLAG_ALPHA
#define AV_PIX_FMT_FLAG_ALPHA
The pixel format has an alpha channel.
Definition: pixdesc.h:147
ctx
AVFormatContext * ctx
Definition: movenc.c:49
AVCOL_PRI_SMPTE428
@ AVCOL_PRI_SMPTE428
SMPTE ST 428-1 (CIE 1931 XYZ)
Definition: pixfmt.h:567
ZScaleContext::first_time
int first_time
Definition: vf_zscale.c:111
AVPixFmtDescriptor::log2_chroma_w
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:80
VAR_A
@ VAR_A
Definition: vf_zscale.c:70
AV_PIX_FMT_YUV420P
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:73
ZScaleContext::dst_format_tmp
zimg_image_format dst_format_tmp
Definition: vf_zscale.c:124
AVCOL_PRI_SMPTE240M
@ AVCOL_PRI_SMPTE240M
identical to above, also called "SMPTE C" even though it uses D65
Definition: pixfmt.h:564
color_range
color_range
Definition: vf_selectivecolor.c:43
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition: filters.h:263
ZScaleContext::in_slice_start
double in_slice_start[MAX_THREADS]
Definition: vf_zscale.c:117
AVCOL_PRI_UNSPECIFIED
@ AVCOL_PRI_UNSPECIFIED
Definition: pixfmt.h:558
NAN
#define NAN
Definition: mathematics.h:115
link
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 link
Definition: filter_design.txt:23
AV_PIX_FMT_YUVJ444P
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:87
AVCOL_SPC_CHROMA_DERIVED_CL
@ AVCOL_SPC_CHROMA_DERIVED_CL
Chromaticity-derived constant luminance system.
Definition: pixfmt.h:624
AVCOL_PRI_BT470BG
@ AVCOL_PRI_BT470BG
also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM
Definition: pixfmt.h:562
AVCOL_PRI_SMPTE170M
@ AVCOL_PRI_SMPTE170M
also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
Definition: pixfmt.h:563
if
if(ret)
Definition: filter_design.txt:179
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:497
ZScaleContext::params
zimg_graph_builder_params params
Definition: vf_zscale.c:126
print_zimg_error
static int print_zimg_error(AVFilterContext *ctx)
Definition: vf_zscale.c:374
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
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:713
FLAGS
#define FLAGS
Definition: vf_zscale.c:977
AVCHROMA_LOC_LEFT
@ AVCHROMA_LOC_LEFT
MPEG-2/4 4:2:0, H.264 default for 4:2:0.
Definition: pixfmt.h:707
AVRational
Rational number (pair of numerator and denominator).
Definition: rational.h:58
AVCHROMA_LOC_TOPLEFT
@ AVCHROMA_LOC_TOPLEFT
ITU-R 601, SMPTE 274M 296M S314M(DV 4:1:1), mpeg2 4:2:2.
Definition: pixfmt.h:709
AVCOL_TRC_IEC61966_2_4
@ AVCOL_TRC_IEC61966_2_4
IEC 61966-2-4.
Definition: pixfmt.h:592
isnan
#define isnan(x)
Definition: libm.h:340
AV_PIX_FMT_YUVJ420P
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:85
compare_zimg_image_formats
static int compare_zimg_image_formats(zimg_image_format *img_fmt0, zimg_image_format *img_fmt1)
Definition: vf_zscale.c:529
AVFilterContext::inputs
AVFilterLink ** inputs
array of pointers to input links
Definition: avfilter.h:465
AVComponentDescriptor::plane
int plane
Which of the 4 planes contains the component.
Definition: pixdesc.h:34
AVCOL_PRI_BT709
@ AVCOL_PRI_BT709
also ITU-R BT1361 / IEC 61966-2-4 / SMPTE RP 177 Annex B
Definition: pixfmt.h:557
parseutils.h
slice_params
static void slice_params(ZScaleContext *s, int out_h, int in_h)
Definition: vf_zscale.c:241
convert_range
static int convert_range(enum AVColorRange color_range)
Definition: vf_zscale.c:505
double
double
Definition: af_crystalizer.c:132
AVCOL_TRC_BT2020_10
@ AVCOL_TRC_BT2020_10
ITU-R BT2020 for 10-bit system.
Definition: pixfmt.h:595
AVCOL_SPC_YCGCO
@ AVCOL_SPC_YCGCO
used by Dirac / VC-2 and H.264 FRext, see ITU-T SG16
Definition: pixfmt.h:618
ZScaleContext::dither
int dither
Definition: vf_zscale.c:90
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:479
update_output_color_information
static void update_output_color_information(ZScaleContext *s, AVFrame *frame)
Definition: vf_zscale.c:692
ff_vf_zscale
const AVFilter ff_vf_zscale
Definition: vf_zscale.c:1123
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:493
ff_all_color_spaces
AVFilterFormats * ff_all_color_spaces(void)
Construct an AVFilterFormats representing all possible color spaces.
Definition: formats.c:630
AVPixFmtDescriptor::flags
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
Definition: pixdesc.h:94
AVCOL_RANGE_UNSPECIFIED
@ AVCOL_RANGE_UNSPECIFIED
Definition: pixfmt.h:652
AVCOL_PRI_BT2020
@ AVCOL_PRI_BT2020
ITU-R BT2020.
Definition: pixfmt.h:566
color_primaries
static const AVColorPrimariesDesc color_primaries[AVCOL_PRI_NB]
Definition: csp.c:76
AVCOL_TRC_SMPTE2084
@ AVCOL_TRC_SMPTE2084
SMPTE ST 2084 for 10-, 12-, 14- and 16-bit systems.
Definition: pixfmt.h:597
AVCOL_PRI_SMPTE431
@ AVCOL_PRI_SMPTE431
SMPTE ST 431-2 (2011) / DCI P3.
Definition: pixfmt.h:569
eval.h
f
f
Definition: af_crystalizer.c:122
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:94
av_expr_parse_and_eval
int av_expr_parse_and_eval(double *d, const char *s, const char *const *const_names, const double *const_values, const char *const *func1_names, double(*const *funcs1)(void *, double), const char *const *func2_names, double(*const *funcs2)(void *, double, double), void *opaque, int log_offset, void *log_ctx)
Parse and evaluate an expression.
Definition: eval.c:803
AVCOL_TRC_SMPTE240M
@ AVCOL_TRC_SMPTE240M
Definition: pixfmt.h:588
AVCOL_PRI_FILM
@ AVCOL_PRI_FILM
colour filters using Illuminant C
Definition: pixfmt.h:565
AV_WN32
#define AV_WN32(p, v)
Definition: intreadwrite.h:372
MAX_THREADS
#define MAX_THREADS
Definition: vf_zscale.c:48
AV_PIX_FMT_FLAG_RGB
#define AV_PIX_FMT_FLAG_RGB
The pixel format contains RGB-like data (as opposed to YUV/grayscale).
Definition: pixdesc.h:136
av_frame_copy
int av_frame_copy(AVFrame *dst, const AVFrame *src)
Copy the frame data from src to dst.
Definition: frame.c:1003
AVCOL_TRC_LOG
@ AVCOL_TRC_LOG
"Logarithmic transfer characteristic (100:1 range)"
Definition: pixfmt.h:590
AV_PIX_FMT_GBRPF32
#define AV_PIX_FMT_GBRPF32
Definition: pixfmt.h:508
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:483
size
int size
Definition: twinvq_data.h:10344
ZScaleContext::primaries_in
int primaries_in
Definition: vf_zscale.c:99
ZScaleContext::approximate_gamma
int approximate_gamma
Definition: vf_zscale.c:104
ZScaleContext::alpha_dst_format
zimg_image_format alpha_dst_format
Definition: vf_zscale.c:123
VAR_OHSUB
@ VAR_OHSUB
Definition: vf_zscale.c:75
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:485
filter_slice
static int filter_slice(AVFilterContext *ctx, void *data, int job_nr, int n_jobs)
Definition: vf_zscale.c:704
AVCHROMA_LOC_UNSPECIFIED
@ AVCHROMA_LOC_UNSPECIFIED
Definition: pixfmt.h:706
AVFrame::format
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames,...
Definition: frame.h:476
range
enum AVColorRange range
Definition: mediacodec_wrapper.c:2464
VAR_IN_W
@ VAR_IN_W
Definition: vf_zscale.c:66
avfilter_vf_zscale_outputs
static const AVFilterPad avfilter_vf_zscale_outputs[]
Definition: vf_zscale.c:1115
AV_PIX_FMT_YUVA444P
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:174
ff_all_color_ranges
AVFilterFormats * ff_all_color_ranges(void)
Construct an AVFilterFormats representing all possible color ranges.
Definition: formats.c:646
AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:518
AVERROR_EXTERNAL
#define AVERROR_EXTERNAL
Generic error in an external library.
Definition: error.h:59
av_parse_video_size
int av_parse_video_size(int *width_ptr, int *height_ptr, const char *str)
Parse str and put in width_ptr and height_ptr the detected values.
Definition: parseutils.c:150
VARS_NB
@ VARS_NB
Definition: vf_zscale.c:77
AVCOL_SPC_CHROMA_DERIVED_NCL
@ AVCOL_SPC_CHROMA_DERIVED_NCL
Chromaticity-derived non-constant luminance system.
Definition: pixfmt.h:623
VAR_HSUB
@ VAR_HSUB
Definition: vf_zscale.c:73
AVCOL_TRC_BT709
@ AVCOL_TRC_BT709
also ITU-R BT1361
Definition: pixfmt.h:582
AVChromaLocation
AVChromaLocation
Location of chroma samples.
Definition: pixfmt.h:705
AVCOL_SPC_SMPTE240M
@ AVCOL_SPC_SMPTE240M
derived from 170M primaries and D65 white point, 170M is derived from BT470 System M's primaries
Definition: pixfmt.h:617
ZScaleContext::in_slice_end
double in_slice_end[MAX_THREADS]
Definition: vf_zscale.c:118
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:256
AVCOL_SPC_BT2020_NCL
@ AVCOL_SPC_BT2020_NCL
ITU-R BT2020 non-constant luminance system.
Definition: pixfmt.h:620
filter_frame
static int filter_frame(AVFilterLink *link, AVFrame *in)
Definition: vf_zscale.c:772
transfer
enum AVColorTransferCharacteristic transfer
Definition: mediacodec_wrapper.c:2492
internal.h
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:495
AVColorSpace
AVColorSpace
YUV colorspace type.
Definition: pixfmt.h:609
ff_filter_get_nb_threads
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
Definition: avfilter.c:834
ThreadData
Used for passing data between threads.
Definition: dsddec.c:71
VAR_IW
@ VAR_IW
Definition: vf_zscale.c:66
FFMIN
#define FFMIN(a, b)
Definition: macros.h:49
ZScaleContext::w
int w
New dimensions.
Definition: vf_zscale.c:89
ZScaleContext::trc
int trc
Definition: vf_zscale.c:93
AV_PIX_FMT_YUVJ440P
@ AV_PIX_FMT_YUVJ440P
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range
Definition: pixfmt.h:107
av_mallocz
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:256
VAR_OH
@ VAR_OH
Definition: vf_zscale.c:69
AVFilterPad::name
const char * name
Pad name.
Definition: filters.h:44
AVCOL_SPC_UNSPECIFIED
@ AVCOL_SPC_UNSPECIFIED
Definition: pixfmt.h:612
av_rescale
int64_t av_rescale(int64_t a, int64_t b, int64_t c)
Rescale a 64-bit integer with rounding to nearest.
Definition: mathematics.c:129
ZScaleContext::chromal_in
int chromal_in
Definition: vf_zscale.c:101
AVCOL_RANGE_MPEG
@ AVCOL_RANGE_MPEG
Narrow or limited range content.
Definition: pixfmt.h:669
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:477
AVFilter
Filter definition.
Definition: avfilter.h:201
VAR_IH
@ VAR_IH
Definition: vf_zscale.c:67
AVCOL_PRI_BT470M
@ AVCOL_PRI_BT470M
also FCC Title 47 Code of Federal Regulations 73.682 (a)(20)
Definition: pixfmt.h:560
ret
ret
Definition: filter_design.txt:187
ZScaleContext::trc_in
int trc_in
Definition: vf_zscale.c:98
ZScaleContext::size_str
char * size_str
Definition: vf_zscale.c:102
FFSWAP
#define FFSWAP(type, a, b)
Definition: macros.h:52
frame
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several the filter must be ready for frames arriving randomly on any input any filter with several inputs will most likely require some kind of queuing mechanism It is perfectly acceptable to have a limited queue and to drop frames when the inputs are too unbalanced request_frame For filters that do not use the this method is called when a frame is wanted on an output For a it should directly call filter_frame on the corresponding output For a if there are queued frames already one of these frames should be pushed If the filter should request a frame on one of its repeatedly until at least one frame has been pushed Return or at least make progress towards producing a frame
Definition: filter_design.txt:264
AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:515
convert_chroma_location
static int convert_chroma_location(enum AVChromaLocation chroma_location)
Definition: vf_zscale.c:384
AVFrame::sample_aspect_ratio
AVRational sample_aspect_ratio
Sample aspect ratio for the video frame, 0/1 if unknown/unspecified.
Definition: frame.h:496
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:482
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:487
AVFrame::height
int height
Definition: frame.h:461
AVCOL_TRC_ARIB_STD_B67
@ AVCOL_TRC_ARIB_STD_B67
ARIB STD-B67, known as "Hybrid log-gamma".
Definition: pixfmt.h:601
planes
static const struct @455 planes[]
ff_filter_execute
int ff_filter_execute(AVFilterContext *ctx, avfilter_action_func *func, void *arg, int *ret, int nb_jobs)
Definition: avfilter.c:1651
init
static av_cold int init(AVFilterContext *ctx)
Definition: vf_zscale.c:136
AVCHROMA_LOC_CENTER
@ AVCHROMA_LOC_CENTER
MPEG-1 4:2:0, JPEG 4:2:0, H.263 4:2:0.
Definition: pixfmt.h:708
AVRational::den
int den
Denominator.
Definition: rational.h:60
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:72
AVCOL_SPC_FCC
@ AVCOL_SPC_FCC
FCC Title 47 Code of Federal Regulations 73.682 (a)(20)
Definition: pixfmt.h:614
AV_PIX_FMT_YUVA422P12
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:519
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Underlying C type is int.
Definition: opt.h:259
avfilter.h
AV_PIX_FMT_GBRAPF32
#define AV_PIX_FMT_GBRAPF32
Definition: pixfmt.h:509
VAR_IN_H
@ VAR_IN_H
Definition: vf_zscale.c:67
VAR_OVSUB
@ VAR_OVSUB
Definition: vf_zscale.c:76
AVPixFmtDescriptor::comp
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:105
AVCOL_TRC_SMPTE170M
@ AVCOL_TRC_SMPTE170M
also ITU-R BT601-6 525 or 625 / ITU-R BT1358 525 or 625 / ITU-R BT1700 NTSC
Definition: pixfmt.h:587
av_mul_q
AVRational av_mul_q(AVRational b, AVRational c)
Multiply two rationals.
Definition: rational.c:80
OFFSET
#define OFFSET(x)
Definition: vf_zscale.c:976
AV_PIX_FMT_YUV444P
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:78
ZScaleContext::alpha_graph
zimg_filter_graph * alpha_graph[MAX_THREADS]
Definition: vf_zscale.c:128
AVFilterContext
An instance of a filter.
Definition: avfilter.h:457
AV_PIX_FMT_GBRP
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:165
AVFILTER_FLAG_SLICE_THREADS
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:152
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:77
MIN_TILESIZE
#define MIN_TILESIZE
Definition: vf_zscale.c:47
mem.h
convert_trc
static int convert_trc(enum AVColorTransferCharacteristic color_trc)
Definition: vf_zscale.c:437
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:69
AVCOL_PRI_SMPTE432
@ AVCOL_PRI_SMPTE432
SMPTE ST 432-1 (2010) / P3 D65 / Display P3.
Definition: pixfmt.h:570
ZScaleContext::alpha_src_format_tmp
zimg_image_format alpha_src_format_tmp
Definition: vf_zscale.c:125
FFALIGN
#define FFALIGN(x, a)
Definition: macros.h:78
AV_OPT_TYPE_BOOL
@ AV_OPT_TYPE_BOOL
Underlying C type is int.
Definition: opt.h:327
av_freep
#define av_freep(p)
Definition: tableprint_vlc.h:34
AV_PIX_FMT_YUV411P
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:80
VAR_DAR
@ VAR_DAR
Definition: vf_zscale.c:72
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:482
AVFrame::linesize
int linesize[AV_NUM_DATA_POINTERS]
For video, a positive or negative value, which is typically indicating the size in bytes of each pict...
Definition: frame.h:434
AV_PIX_FMT_YUV410P
@ AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:79
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:27
AVFILTER_DEFINE_CLASS
AVFILTER_DEFINE_CLASS(zscale)
ZScaleContext::nominal_peak_luminance
double nominal_peak_luminance
Definition: vf_zscale.c:103
h
h
Definition: vp9dsp_template.c:2070
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:488
AV_OPT_TYPE_STRING
@ AV_OPT_TYPE_STRING
Underlying C type is a uint8_t* that is either NULL or points to a C string allocated with the av_mal...
Definition: opt.h:276
AVCOL_SPC_BT709
@ AVCOL_SPC_BT709
also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / derived in SMPTE RP 177 Annex B
Definition: pixfmt.h:611
AVColorRange
AVColorRange
Visual content value range.
Definition: pixfmt.h:651
AVCOL_SPC_ICTCP
@ AVCOL_SPC_ICTCP
ITU-R BT.2100-0, ICtCp.
Definition: pixfmt.h:625
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Special option type for declaring named constants.
Definition: opt.h:299
snprintf
#define snprintf
Definition: snprintf.h:34
VAR_OUT_H
@ VAR_OUT_H
Definition: vf_zscale.c:69
FILTER_QUERY_FUNC
#define FILTER_QUERY_FUNC(func)
Definition: filters.h:236
AVCHROMA_LOC_BOTTOMLEFT
@ AVCHROMA_LOC_BOTTOMLEFT
Definition: pixfmt.h:711
AVPixFmtDescriptor::log2_chroma_h
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:89
AV_PIX_FMT_YUVA422P
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:173
AV_PIX_FMT_YUV420P14
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:486
av_get_pix_fmt_name
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
Definition: pixdesc.c:2885
ZScaleContext::w_expr
char * w_expr
width expression string
Definition: vf_zscale.c:108
avfilter_vf_zscale_inputs
static const AVFilterPad avfilter_vf_zscale_inputs[]
Definition: vf_zscale.c:1107
AV_WN16
#define AV_WN16(p, v)
Definition: intreadwrite.h:368
dither
static const uint8_t dither[8][8]
Definition: vf_fspp.c:62
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