FFmpeg  4.4.5
h265_metadata_bsf.c
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include "libavutil/common.h"
20 #include "libavutil/opt.h"
21 
22 #include "bsf.h"
23 #include "cbs.h"
24 #include "cbs_bsf.h"
25 #include "cbs_h265.h"
26 #include "hevc.h"
27 #include "h265_profile_level.h"
28 
29 enum {
31  LEVEL_AUTO = -1,
32 };
33 
34 typedef struct H265MetadataContext {
36 
38 
39  int aud;
40 
42 
48 
50 
54 
55  int crop_left;
57  int crop_top;
59 
60  int level;
64 
65 
67  const CodedBitstreamFragment *au)
68 {
72  const H265RawHRDParameters *hrd = NULL;
73  int64_t bit_rate = 0;
74  int width = 0, height = 0;
75  int tile_cols = 0, tile_rows = 0;
76  int max_dec_pic_buffering = 0;
77  int i;
78 
79  for (i = 0; i < au->nb_units; i++) {
80  const CodedBitstreamUnit *unit = &au->units[i];
81 
82  if (unit->type == HEVC_NAL_VPS) {
83  const H265RawVPS *vps = unit->content;
84 
85  ptl = &vps->profile_tier_level;
86  max_dec_pic_buffering = vps->vps_max_dec_pic_buffering_minus1[0] + 1;
87 
88  if (vps->vps_num_hrd_parameters > 0)
89  hrd = &vps->hrd_parameters[0];
90 
91  } else if (unit->type == HEVC_NAL_SPS) {
92  const H265RawSPS *sps = unit->content;
93 
94  ptl = &sps->profile_tier_level;
95  max_dec_pic_buffering = sps->sps_max_dec_pic_buffering_minus1[0] + 1;
96 
97  width = sps->pic_width_in_luma_samples;
98  height = sps->pic_height_in_luma_samples;
99 
100  if (sps->vui.vui_hrd_parameters_present_flag)
101  hrd = &sps->vui.hrd_parameters;
102 
103  } else if (unit->type == HEVC_NAL_PPS) {
104  const H265RawPPS *pps = unit->content;
105 
106  if (pps->tiles_enabled_flag) {
107  tile_cols = pps->num_tile_columns_minus1 + 1;
108  tile_rows = pps->num_tile_rows_minus1 + 1;
109  }
110  }
111  }
112 
113  if (hrd) {
115  bit_rate = (hrd->nal_sub_layer_hrd_parameters[0].bit_rate_value_minus1[0] + 1) *
116  (INT64_C(1) << hrd->bit_rate_scale + 6);
117  } else if (hrd->vcl_hrd_parameters_present_flag) {
118  bit_rate = (hrd->vcl_sub_layer_hrd_parameters[0].bit_rate_value_minus1[0] + 1) *
119  (INT64_C(1) << hrd->bit_rate_scale + 6);
120  // Adjust for VCL vs. NAL limits.
121  bit_rate = bit_rate * 11 / 10;
122  }
123  }
124 
125  desc = ff_h265_guess_level(ptl, bit_rate, width, height,
126  0, tile_rows, tile_cols,
127  max_dec_pic_buffering);
128  if (desc) {
129  av_log(bsf, AV_LOG_DEBUG, "Stream appears to conform to "
130  "level %s.\n", desc->name);
131  ctx->level_guess = desc->level_idc;
132  }
133 }
134 
137 {
139 
140  if (ctx->level != LEVEL_UNSET) {
141  if (ctx->level == LEVEL_AUTO) {
142  if (ctx->level_guess) {
143  *level_idc = ctx->level_guess;
144  } else {
145  if (!ctx->level_warned) {
146  av_log(bsf, AV_LOG_WARNING, "Unable to determine level "
147  "of stream: using level 8.5.\n");
148  ctx->level_warned = 1;
149  }
150  *level_idc = 255;
151  }
152  } else {
153  *level_idc = ctx->level;
154  }
155  }
156 }
157 
159  H265RawVPS *vps)
160 {
162 
163  if (ctx->tick_rate.num && ctx->tick_rate.den) {
164  int num, den;
165 
166  av_reduce(&num, &den, ctx->tick_rate.num, ctx->tick_rate.den,
167  UINT32_MAX > INT_MAX ? UINT32_MAX : INT_MAX);
168 
169  vps->vps_time_scale = num;
170  vps->vps_num_units_in_tick = den;
171 
172  vps->vps_timing_info_present_flag = 1;
173 
174  if (ctx->num_ticks_poc_diff_one > 0) {
175  vps->vps_num_ticks_poc_diff_one_minus1 =
176  ctx->num_ticks_poc_diff_one - 1;
177  vps->vps_poc_proportional_to_timing_flag = 1;
178  } else if (ctx->num_ticks_poc_diff_one == 0) {
179  vps->vps_poc_proportional_to_timing_flag = 0;
180  }
181  }
182 
183  h265_metadata_update_level(bsf, &vps->profile_tier_level.general_level_idc);
184 
185  return 0;
186 }
187 
189  H265RawSPS *sps)
190 {
192  int need_vui = 0;
193  int crop_unit_x, crop_unit_y;
194 
195  if (ctx->sample_aspect_ratio.num && ctx->sample_aspect_ratio.den) {
196  // Table E-1.
197  static const AVRational sar_idc[] = {
198  { 0, 0 }, // Unspecified (never written here).
199  { 1, 1 }, { 12, 11 }, { 10, 11 }, { 16, 11 },
200  { 40, 33 }, { 24, 11 }, { 20, 11 }, { 32, 11 },
201  { 80, 33 }, { 18, 11 }, { 15, 11 }, { 64, 33 },
202  { 160, 99 }, { 4, 3 }, { 3, 2 }, { 2, 1 },
203  };
204  int num, den, i;
205 
206  av_reduce(&num, &den, ctx->sample_aspect_ratio.num,
207  ctx->sample_aspect_ratio.den, 65535);
208 
209  for (i = 1; i < FF_ARRAY_ELEMS(sar_idc); i++) {
210  if (num == sar_idc[i].num &&
211  den == sar_idc[i].den)
212  break;
213  }
214  if (i == FF_ARRAY_ELEMS(sar_idc)) {
215  sps->vui.aspect_ratio_idc = 255;
216  sps->vui.sar_width = num;
217  sps->vui.sar_height = den;
218  } else {
219  sps->vui.aspect_ratio_idc = i;
220  }
221  sps->vui.aspect_ratio_info_present_flag = 1;
222  need_vui = 1;
223  }
224 
225 #define SET_OR_INFER(field, value, present_flag, infer) do { \
226  if (value >= 0) { \
227  field = value; \
228  need_vui = 1; \
229  } else if (!present_flag) \
230  field = infer; \
231  } while (0)
232 
233  if (ctx->video_format >= 0 ||
234  ctx->video_full_range_flag >= 0 ||
235  ctx->colour_primaries >= 0 ||
236  ctx->transfer_characteristics >= 0 ||
237  ctx->matrix_coefficients >= 0) {
238 
239  SET_OR_INFER(sps->vui.video_format, ctx->video_format,
240  sps->vui.video_signal_type_present_flag, 5);
241 
242  SET_OR_INFER(sps->vui.video_full_range_flag,
243  ctx->video_full_range_flag,
244  sps->vui.video_signal_type_present_flag, 0);
245 
246  if (ctx->colour_primaries >= 0 ||
247  ctx->transfer_characteristics >= 0 ||
248  ctx->matrix_coefficients >= 0) {
249 
250  SET_OR_INFER(sps->vui.colour_primaries,
251  ctx->colour_primaries,
252  sps->vui.colour_description_present_flag, 2);
253 
254  SET_OR_INFER(sps->vui.transfer_characteristics,
255  ctx->transfer_characteristics,
256  sps->vui.colour_description_present_flag, 2);
257 
258  SET_OR_INFER(sps->vui.matrix_coefficients,
259  ctx->matrix_coefficients,
260  sps->vui.colour_description_present_flag, 2);
261 
262  sps->vui.colour_description_present_flag = 1;
263  }
264  sps->vui.video_signal_type_present_flag = 1;
265  need_vui = 1;
266  }
267 
268  if (ctx->chroma_sample_loc_type >= 0) {
269  sps->vui.chroma_sample_loc_type_top_field =
270  ctx->chroma_sample_loc_type;
271  sps->vui.chroma_sample_loc_type_bottom_field =
272  ctx->chroma_sample_loc_type;
273  sps->vui.chroma_loc_info_present_flag = 1;
274  need_vui = 1;
275  }
276 
277  if (ctx->tick_rate.num && ctx->tick_rate.den) {
278  int num, den;
279 
280  av_reduce(&num, &den, ctx->tick_rate.num, ctx->tick_rate.den,
281  UINT32_MAX > INT_MAX ? UINT32_MAX : INT_MAX);
282 
283  sps->vui.vui_time_scale = num;
284  sps->vui.vui_num_units_in_tick = den;
285 
286  sps->vui.vui_timing_info_present_flag = 1;
287  need_vui = 1;
288 
289  if (ctx->num_ticks_poc_diff_one > 0) {
290  sps->vui.vui_num_ticks_poc_diff_one_minus1 =
291  ctx->num_ticks_poc_diff_one - 1;
292  sps->vui.vui_poc_proportional_to_timing_flag = 1;
293  } else if (ctx->num_ticks_poc_diff_one == 0) {
294  sps->vui.vui_poc_proportional_to_timing_flag = 0;
295  }
296  }
297 
298  if (sps->separate_colour_plane_flag || sps->chroma_format_idc == 0) {
299  crop_unit_x = 1;
300  crop_unit_y = 1;
301  } else {
302  crop_unit_x = 1 + (sps->chroma_format_idc < 3);
303  crop_unit_y = 1 + (sps->chroma_format_idc < 2);
304  }
305 #define CROP(border, unit) do { \
306  if (ctx->crop_ ## border >= 0) { \
307  if (ctx->crop_ ## border % unit != 0) { \
308  av_log(bsf, AV_LOG_ERROR, "Invalid value for crop_%s: " \
309  "must be a multiple of %d.\n", #border, unit); \
310  return AVERROR(EINVAL); \
311  } \
312  sps->conf_win_ ## border ## _offset = \
313  ctx->crop_ ## border / unit; \
314  sps->conformance_window_flag = 1; \
315  } \
316  } while (0)
317  CROP(left, crop_unit_x);
318  CROP(right, crop_unit_x);
319  CROP(top, crop_unit_y);
320  CROP(bottom, crop_unit_y);
321 #undef CROP
322 
323  if (need_vui)
324  sps->vui_parameters_present_flag = 1;
325 
326  h265_metadata_update_level(bsf, &sps->profile_tier_level.general_level_idc);
327 
328  return 0;
329 }
330 
333 {
335  int err, i;
336 
337  // If an AUD is present, it must be the first NAL unit.
338  if (au->nb_units && au->units[0].type == HEVC_NAL_AUD) {
339  if (ctx->aud == BSF_ELEMENT_REMOVE)
340  ff_cbs_delete_unit(au, 0);
341  } else {
342  if (pkt && ctx->aud == BSF_ELEMENT_INSERT) {
343  H265RawAUD *aud = &ctx->aud_nal;
344  int pic_type = 0, temporal_id = 8, layer_id = 0;
345 
346  for (i = 0; i < au->nb_units; i++) {
347  const H265RawNALUnitHeader *nal = au->units[i].content;
348  if (!nal)
349  continue;
350  if (nal->nuh_temporal_id_plus1 < temporal_id + 1)
351  temporal_id = nal->nuh_temporal_id_plus1 - 1;
352 
353  if (au->units[i].type <= HEVC_NAL_RSV_VCL31) {
354  const H265RawSlice *slice = au->units[i].content;
355  layer_id = nal->nuh_layer_id;
356  if (slice->header.slice_type == HEVC_SLICE_B &&
357  pic_type < 2)
358  pic_type = 2;
359  if (slice->header.slice_type == HEVC_SLICE_P &&
360  pic_type < 1)
361  pic_type = 1;
362  }
363  }
364 
365  aud->nal_unit_header = (H265RawNALUnitHeader) {
366  .nal_unit_type = HEVC_NAL_AUD,
367  .nuh_layer_id = layer_id,
368  .nuh_temporal_id_plus1 = temporal_id + 1,
369  };
370  aud->pic_type = pic_type;
371 
373  if (err < 0) {
374  av_log(bsf, AV_LOG_ERROR, "Failed to insert AUD.\n");
375  return err;
376  }
377  }
378  }
379 
380  if (ctx->level == LEVEL_AUTO && !ctx->level_guess)
381  h265_metadata_guess_level(bsf, au);
382 
383  for (i = 0; i < au->nb_units; i++) {
384  if (au->units[i].type == HEVC_NAL_VPS) {
385  err = h265_metadata_update_vps(bsf, au->units[i].content);
386  if (err < 0)
387  return err;
388  }
389  if (au->units[i].type == HEVC_NAL_SPS) {
390  err = h265_metadata_update_sps(bsf, au->units[i].content);
391  if (err < 0)
392  return err;
393  }
394  }
395 
396  return 0;
397 }
398 
401  .fragment_name = "access unit",
402  .unit_name = "NAL unit",
403  .update_fragment = &h265_metadata_update_fragment,
404 };
405 
407 {
409 }
410 
411 #define OFFSET(x) offsetof(H265MetadataContext, x)
412 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)
413 static const AVOption h265_metadata_options[] = {
414  BSF_ELEMENT_OPTIONS_PIR("aud", "Access Unit Delimiter NAL units",
415  aud, FLAGS),
416 
417  { "sample_aspect_ratio", "Set sample aspect ratio (table E-1)",
418  OFFSET(sample_aspect_ratio), AV_OPT_TYPE_RATIONAL,
419  { .dbl = 0.0 }, 0, 65535, FLAGS },
420 
421  { "video_format", "Set video format (table E-2)",
422  OFFSET(video_format), AV_OPT_TYPE_INT,
423  { .i64 = -1 }, -1, 7, FLAGS },
424  { "video_full_range_flag", "Set video full range flag",
425  OFFSET(video_full_range_flag), AV_OPT_TYPE_INT,
426  { .i64 = -1 }, -1, 1, FLAGS },
427  { "colour_primaries", "Set colour primaries (table E-3)",
428  OFFSET(colour_primaries), AV_OPT_TYPE_INT,
429  { .i64 = -1 }, -1, 255, FLAGS },
430  { "transfer_characteristics", "Set transfer characteristics (table E-4)",
432  { .i64 = -1 }, -1, 255, FLAGS },
433  { "matrix_coefficients", "Set matrix coefficients (table E-5)",
434  OFFSET(matrix_coefficients), AV_OPT_TYPE_INT,
435  { .i64 = -1 }, -1, 255, FLAGS },
436 
437  { "chroma_sample_loc_type", "Set chroma sample location type (figure E-1)",
438  OFFSET(chroma_sample_loc_type), AV_OPT_TYPE_INT,
439  { .i64 = -1 }, -1, 6, FLAGS },
440 
441  { "tick_rate",
442  "Set VPS and VUI tick rate (num_units_in_tick / time_scale)",
443  OFFSET(tick_rate), AV_OPT_TYPE_RATIONAL,
444  { .dbl = 0.0 }, 0, UINT_MAX, FLAGS },
445  { "num_ticks_poc_diff_one",
446  "Set VPS and VUI number of ticks per POC increment",
447  OFFSET(num_ticks_poc_diff_one), AV_OPT_TYPE_INT,
448  { .i64 = -1 }, -1, INT_MAX, FLAGS },
449 
450  { "crop_left", "Set left border crop offset",
451  OFFSET(crop_left), AV_OPT_TYPE_INT,
452  { .i64 = -1 }, -1, HEVC_MAX_WIDTH, FLAGS },
453  { "crop_right", "Set right border crop offset",
454  OFFSET(crop_right), AV_OPT_TYPE_INT,
455  { .i64 = -1 }, -1, HEVC_MAX_WIDTH, FLAGS },
456  { "crop_top", "Set top border crop offset",
457  OFFSET(crop_top), AV_OPT_TYPE_INT,
458  { .i64 = -1 }, -1, HEVC_MAX_HEIGHT, FLAGS },
459  { "crop_bottom", "Set bottom border crop offset",
460  OFFSET(crop_bottom), AV_OPT_TYPE_INT,
461  { .i64 = -1 }, -1, HEVC_MAX_HEIGHT, FLAGS },
462 
463  { "level", "Set level (tables A.6 and A.7)",
465  { .i64 = LEVEL_UNSET }, LEVEL_UNSET, 0xff, FLAGS, "level" },
466  { "auto", "Attempt to guess level from stream properties",
468  { .i64 = LEVEL_AUTO }, .flags = FLAGS, .unit = "level" },
469 #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
470  { .i64 = value }, .flags = FLAGS, .unit = "level"
471  { LEVEL("1", 30) },
472  { LEVEL("2", 60) },
473  { LEVEL("2.1", 63) },
474  { LEVEL("3", 90) },
475  { LEVEL("3.1", 93) },
476  { LEVEL("4", 120) },
477  { LEVEL("4.1", 123) },
478  { LEVEL("5", 150) },
479  { LEVEL("5.1", 153) },
480  { LEVEL("5.2", 156) },
481  { LEVEL("6", 180) },
482  { LEVEL("6.1", 183) },
483  { LEVEL("6.2", 186) },
484  { LEVEL("8.5", 255) },
485 #undef LEVEL
486 
487  { NULL }
488 };
489 
490 static const AVClass h265_metadata_class = {
491  .class_name = "h265_metadata_bsf",
492  .item_name = av_default_item_name,
493  .option = h265_metadata_options,
494  .version = LIBAVUTIL_VERSION_INT,
495 };
496 
497 static const enum AVCodecID h265_metadata_codec_ids[] = {
499 };
500 
502  .name = "hevc_metadata",
503  .priv_data_size = sizeof(H265MetadataContext),
504  .priv_class = &h265_metadata_class,
506  .close = &ff_cbs_bsf_generic_close,
509 };
static enum AVCodecID codec_ids[]
uint8_t
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:31
void ff_cbs_delete_unit(CodedBitstreamFragment *frag, int position)
Delete a unit from a fragment and free all memory it uses.
Definition: cbs.c:812
int ff_cbs_insert_unit_content(CodedBitstreamFragment *frag, int position, CodedBitstreamUnitType type, void *content, AVBufferRef *content_buf)
Insert a new unit into a fragment with the given content.
Definition: cbs.c:737
int ff_cbs_bsf_generic_filter(AVBSFContext *bsf, AVPacket *pkt)
Filter operation for CBS BSF.
Definition: cbs_bsf.c:63
int ff_cbs_bsf_generic_init(AVBSFContext *bsf, const CBSBSFType *type)
Initialise generic CBS BSF setup.
Definition: cbs_bsf.c:112
void ff_cbs_bsf_generic_close(AVBSFContext *bsf)
Close a generic CBS BSF instance.
Definition: cbs_bsf.c:152
#define BSF_ELEMENT_OPTIONS_PIR(name, help, field, opt_flags)
Definition: cbs_bsf.h:106
@ BSF_ELEMENT_REMOVE
Definition: cbs_bsf.h:100
@ BSF_ELEMENT_INSERT
Definition: cbs_bsf.h:98
static int FUNC() pps(CodedBitstreamContext *ctx, RWContext *rw, H264RawPPS *current)
static int FUNC() sps(CodedBitstreamContext *ctx, RWContext *rw, H264RawSPS *current)
static int FUNC() aud(CodedBitstreamContext *ctx, RWContext *rw, H264RawAUD *current)
static int FUNC() vps(CodedBitstreamContext *ctx, RWContext *rw, H265RawVPS *current)
static av_always_inline void filter(int16_t *output, ptrdiff_t out_stride, const int16_t *low, ptrdiff_t low_stride, const int16_t *high, ptrdiff_t high_stride, int len, int clip)
Definition: cfhddsp.c:27
common internal and external API header
#define NULL
Definition: coverity.c:32
long long int64_t
Definition: coverity.c:34
@ AV_OPT_TYPE_CONST
Definition: opt.h:234
@ AV_OPT_TYPE_RATIONAL
Definition: opt.h:230
@ AV_OPT_TYPE_INT
Definition: opt.h:225
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: codec_id.h:46
@ AV_CODEC_ID_NONE
Definition: codec_id.h:47
@ AV_CODEC_ID_HEVC
Definition: codec_id.h:223
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:215
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:200
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:194
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:235
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
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
const H265RawProfileTierLevel * ptl
Definition: h265_levels.c:170
int tile_cols
Definition: h265_levels.c:218
int tile_rows
Definition: h265_levels.c:217
static int h265_metadata_update_sps(AVBSFContext *bsf, H265RawSPS *sps)
static int h265_metadata_update_fragment(AVBSFContext *bsf, AVPacket *pkt, CodedBitstreamFragment *au)
#define CROP(border, unit)
static const AVClass h265_metadata_class
static void h265_metadata_guess_level(AVBSFContext *bsf, const CodedBitstreamFragment *au)
static int h265_metadata_init(AVBSFContext *bsf)
#define SET_OR_INFER(field, value, present_flag, infer)
static int h265_metadata_update_vps(AVBSFContext *bsf, H265RawVPS *vps)
#define FLAGS
static const AVOption h265_metadata_options[]
#define LEVEL(name, value)
@ LEVEL_UNSET
@ LEVEL_AUTO
static const CBSBSFType h265_metadata_type
#define OFFSET(x)
const AVBitStreamFilter ff_hevc_metadata_bsf
static enum AVCodecID h265_metadata_codec_ids[]
static void h265_metadata_update_level(AVBSFContext *bsf, uint8_t *level_idc)
const H265LevelDescriptor * ff_h265_guess_level(const H265RawProfileTierLevel *ptl, int64_t bitrate, int width, int height, int slice_segments, int tile_rows, int tile_cols, int max_dec_pic_buffering)
Guess the level of a stream from some parameters.
int i
Definition: input.c:407
@ HEVC_NAL_AUD
Definition: hevc.h:64
@ HEVC_NAL_RSV_VCL31
Definition: hevc.h:60
@ HEVC_NAL_PPS
Definition: hevc.h:63
@ HEVC_NAL_VPS
Definition: hevc.h:61
@ HEVC_NAL_SPS
Definition: hevc.h:62
@ HEVC_SLICE_P
Definition: hevc.h:97
@ HEVC_SLICE_B
Definition: hevc.h:96
@ HEVC_MAX_WIDTH
Definition: hevc.h:138
@ HEVC_MAX_HEIGHT
Definition: hevc.h:139
static const struct TransferCharacteristics transfer_characteristics[AVCOL_TRC_NB]
internal header for HEVC (de)muxer utilities
const char * desc
Definition: libsvtav1.c:79
AVOptions.
#define FF_ARRAY_ELEMS(a)
The bitstream filter state.
Definition: bsf.h:49
void * priv_data
Opaque filter-specific private data.
Definition: bsf.h:70
const char * name
Definition: bsf.h:99
Describe the class of an AVClass context structure.
Definition: log.h:67
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
AVOption.
Definition: opt.h:248
This structure stores compressed data.
Definition: packet.h:346
Rational number (pair of numerator and denominator).
Definition: rational.h:58
enum AVCodecID codec_id
Definition: cbs_bsf.h:26
Coded bitstream fragment structure, combining one or more units.
Definition: cbs.h:118
CodedBitstreamUnit * units
Pointer to an array of units of length nb_units_allocated.
Definition: cbs.h:164
int nb_units
Number of units in this fragment.
Definition: cbs.h:149
Coded bitstream unit structure.
Definition: cbs.h:66
void * content
Pointer to the decomposed form of this unit.
Definition: cbs.h:103
CodedBitstreamUnitType type
Codec-specific type of this unit.
Definition: cbs.h:70
AVRational sample_aspect_ratio
H265RawSubLayerHRDParameters vcl_sub_layer_hrd_parameters[HEVC_MAX_SUB_LAYERS]
Definition: cbs_h265.h:124
uint8_t nal_hrd_parameters_present_flag
Definition: cbs_h265.h:101
uint8_t vcl_hrd_parameters_present_flag
Definition: cbs_h265.h:102
H265RawSubLayerHRDParameters nal_sub_layer_hrd_parameters[HEVC_MAX_SUB_LAYERS]
Definition: cbs_h265.h:123
uint8_t bit_rate_scale
Definition: cbs_h265.h:110
uint8_t nuh_temporal_id_plus1
Definition: cbs_h265.h:32
uint8_t nuh_layer_id
Definition: cbs_h265.h:31
uint8_t slice_type
Definition: cbs_h265.h:454
H265RawSliceHeader header
Definition: cbs_h265.h:534
uint32_t bit_rate_value_minus1[HEVC_MAX_CPB_CNT]
Definition: cbs_h265.h:93
uint8_t level
Definition: svq3.c:206
#define av_log(a,...)
int level_idc
Definition: h264_levels.c:25
AVPacket * pkt
Definition: movenc.c:59
AVFormatContext * ctx
Definition: movenc.c:48
#define height
#define width