FFmpeg  4.2.2
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  *
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11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
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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_h265.h"
25 #include "hevc.h"
26 #include "h265_profile_level.h"
27 
28 enum {
32 };
33 
34 enum {
36  LEVEL_AUTO = -1,
37 };
38 
39 typedef struct H265MetadataContext {
40  const AVClass *class;
41 
44 
46 
47  int aud;
48 
50 
56 
58 
62 
63  int crop_left;
65  int crop_top;
67 
68  int level;
72 
73 
75  const CodedBitstreamFragment *au)
76 {
80  const H265RawHRDParameters *hrd = NULL;
81  int64_t bit_rate = 0;
82  int width = 0, height = 0;
83  int tile_cols = 0, tile_rows = 0;
84  int max_dec_pic_buffering = 0;
85  int i;
86 
87  for (i = 0; i < au->nb_units; i++) {
88  const CodedBitstreamUnit *unit = &au->units[i];
89 
90  if (unit->type == HEVC_NAL_VPS) {
91  const H265RawVPS *vps = unit->content;
92 
93  ptl = &vps->profile_tier_level;
94  max_dec_pic_buffering = vps->vps_max_dec_pic_buffering_minus1[0] + 1;
95 
96  if (vps->vps_num_hrd_parameters > 0)
97  hrd = &vps->hrd_parameters[0];
98 
99  } else if (unit->type == HEVC_NAL_SPS) {
100  const H265RawSPS *sps = unit->content;
101 
102  ptl = &sps->profile_tier_level;
103  max_dec_pic_buffering = sps->sps_max_dec_pic_buffering_minus1[0] + 1;
104 
105  width = sps->pic_width_in_luma_samples;
107 
109  hrd = &sps->vui.hrd_parameters;
110 
111  } else if (unit->type == HEVC_NAL_PPS) {
112  const H265RawPPS *pps = unit->content;
113 
114  if (pps->tiles_enabled_flag) {
115  tile_cols = pps->num_tile_columns_minus1 + 1;
116  tile_rows = pps->num_tile_rows_minus1 + 1;
117  }
118  }
119  }
120 
121  if (hrd) {
123  bit_rate = (hrd->nal_sub_layer_hrd_parameters[0].bit_rate_value_minus1[0] + 1) *
124  (INT64_C(1) << hrd->bit_rate_scale + 6);
125  } else if (hrd->vcl_hrd_parameters_present_flag) {
126  bit_rate = (hrd->vcl_sub_layer_hrd_parameters[0].bit_rate_value_minus1[0] + 1) *
127  (INT64_C(1) << hrd->bit_rate_scale + 6);
128  // Adjust for VCL vs. NAL limits.
129  bit_rate = bit_rate * 11 / 10;
130  }
131  }
132 
133  desc = ff_h265_guess_level(ptl, bit_rate, width, height,
134  0, tile_cols, tile_rows,
135  max_dec_pic_buffering);
136  if (desc) {
137  av_log(bsf, AV_LOG_DEBUG, "Stream appears to conform to "
138  "level %s.\n", desc->name);
139  ctx->level_guess = desc->level_idc;
140  }
141 }
142 
145 {
147 
148  if (ctx->level != LEVEL_UNSET) {
149  if (ctx->level == LEVEL_AUTO) {
150  if (ctx->level_guess) {
151  *level_idc = ctx->level_guess;
152  } else {
153  if (!ctx->level_warned) {
154  av_log(bsf, AV_LOG_WARNING, "Unable to determine level "
155  "of stream: using level 8.5.\n");
156  ctx->level_warned = 1;
157  }
158  *level_idc = 255;
159  }
160  } else {
161  *level_idc = ctx->level;
162  }
163  }
164 }
165 
167  H265RawVPS *vps)
168 {
170 
171  if (ctx->tick_rate.num && ctx->tick_rate.den) {
172  int num, den;
173 
174  av_reduce(&num, &den, ctx->tick_rate.num, ctx->tick_rate.den,
175  UINT32_MAX > INT_MAX ? UINT32_MAX : INT_MAX);
176 
177  vps->vps_time_scale = num;
178  vps->vps_num_units_in_tick = den;
179 
181 
182  if (ctx->num_ticks_poc_diff_one > 0) {
184  ctx->num_ticks_poc_diff_one - 1;
186  } else if (ctx->num_ticks_poc_diff_one == 0) {
188  }
189  }
190 
192 
193  return 0;
194 }
195 
197  H265RawSPS *sps)
198 {
200  int need_vui = 0;
201  int crop_unit_x, crop_unit_y;
202 
203  if (ctx->sample_aspect_ratio.num && ctx->sample_aspect_ratio.den) {
204  // Table E-1.
205  static const AVRational sar_idc[] = {
206  { 0, 0 }, // Unspecified (never written here).
207  { 1, 1 }, { 12, 11 }, { 10, 11 }, { 16, 11 },
208  { 40, 33 }, { 24, 11 }, { 20, 11 }, { 32, 11 },
209  { 80, 33 }, { 18, 11 }, { 15, 11 }, { 64, 33 },
210  { 160, 99 }, { 4, 3 }, { 3, 2 }, { 2, 1 },
211  };
212  int num, den, i;
213 
214  av_reduce(&num, &den, ctx->sample_aspect_ratio.num,
215  ctx->sample_aspect_ratio.den, 65535);
216 
217  for (i = 1; i < FF_ARRAY_ELEMS(sar_idc); i++) {
218  if (num == sar_idc[i].num &&
219  den == sar_idc[i].den)
220  break;
221  }
222  if (i == FF_ARRAY_ELEMS(sar_idc)) {
223  sps->vui.aspect_ratio_idc = 255;
224  sps->vui.sar_width = num;
225  sps->vui.sar_height = den;
226  } else {
227  sps->vui.aspect_ratio_idc = i;
228  }
230  need_vui = 1;
231  }
232 
233 #define SET_OR_INFER(field, value, present_flag, infer) do { \
234  if (value >= 0) { \
235  field = value; \
236  need_vui = 1; \
237  } else if (!present_flag) \
238  field = infer; \
239  } while (0)
240 
241  if (ctx->video_format >= 0 ||
242  ctx->video_full_range_flag >= 0 ||
243  ctx->colour_primaries >= 0 ||
244  ctx->transfer_characteristics >= 0 ||
245  ctx->matrix_coefficients >= 0) {
246 
249 
253 
254  if (ctx->colour_primaries >= 0 ||
255  ctx->transfer_characteristics >= 0 ||
256  ctx->matrix_coefficients >= 0) {
257 
259  ctx->colour_primaries,
261 
265 
267  ctx->matrix_coefficients,
269 
271  }
273  need_vui = 1;
274  }
275 
276  if (ctx->chroma_sample_loc_type >= 0) {
282  need_vui = 1;
283  }
284 
285  if (ctx->tick_rate.num && ctx->tick_rate.den) {
286  int num, den;
287 
288  av_reduce(&num, &den, ctx->tick_rate.num, ctx->tick_rate.den,
289  UINT32_MAX > INT_MAX ? UINT32_MAX : INT_MAX);
290 
291  sps->vui.vui_time_scale = num;
292  sps->vui.vui_num_units_in_tick = den;
293 
295  need_vui = 1;
296 
297  if (ctx->num_ticks_poc_diff_one > 0) {
299  ctx->num_ticks_poc_diff_one - 1;
301  } else if (ctx->num_ticks_poc_diff_one == 0) {
303  }
304  }
305 
306  if (sps->separate_colour_plane_flag || sps->chroma_format_idc == 0) {
307  crop_unit_x = 1;
308  crop_unit_y = 1;
309  } else {
310  crop_unit_x = 1 + (sps->chroma_format_idc < 3);
311  crop_unit_y = 1 + (sps->chroma_format_idc < 2);
312  }
313 #define CROP(border, unit) do { \
314  if (ctx->crop_ ## border >= 0) { \
315  if (ctx->crop_ ## border % unit != 0) { \
316  av_log(bsf, AV_LOG_ERROR, "Invalid value for crop_%s: " \
317  "must be a multiple of %d.\n", #border, unit); \
318  return AVERROR(EINVAL); \
319  } \
320  sps->conf_win_ ## border ## _offset = \
321  ctx->crop_ ## border / unit; \
322  sps->conformance_window_flag = 1; \
323  } \
324  } while (0)
325  CROP(left, crop_unit_x);
326  CROP(right, crop_unit_x);
327  CROP(top, crop_unit_y);
328  CROP(bottom, crop_unit_y);
329 #undef CROP
330 
331  if (need_vui)
333 
335 
336  return 0;
337 }
338 
340 {
343  int err, i;
344 
345  err = ff_bsf_get_packet_ref(bsf, pkt);
346  if (err < 0)
347  return err;
348 
349  err = ff_cbs_read_packet(ctx->cbc, au, pkt);
350  if (err < 0) {
351  av_log(bsf, AV_LOG_ERROR, "Failed to read packet.\n");
352  goto fail;
353  }
354 
355  if (au->nb_units == 0) {
356  av_log(bsf, AV_LOG_ERROR, "No NAL units in packet.\n");
357  err = AVERROR_INVALIDDATA;
358  goto fail;
359  }
360 
361  // If an AUD is present, it must be the first NAL unit.
362  if (au->units[0].type == HEVC_NAL_AUD) {
363  if (ctx->aud == REMOVE)
364  ff_cbs_delete_unit(ctx->cbc, au, 0);
365  } else {
366  if (ctx->aud == INSERT) {
367  H265RawAUD *aud = &ctx->aud_nal;
368  int pic_type = 0, temporal_id = 8, layer_id = 0;
369 
370  for (i = 0; i < au->nb_units; i++) {
371  const H265RawNALUnitHeader *nal = au->units[i].content;
372  if (!nal)
373  continue;
374  if (nal->nuh_temporal_id_plus1 < temporal_id + 1)
375  temporal_id = nal->nuh_temporal_id_plus1 - 1;
376 
377  if (au->units[i].type <= HEVC_NAL_RSV_VCL31) {
378  const H265RawSlice *slice = au->units[i].content;
379  layer_id = nal->nuh_layer_id;
380  if (slice->header.slice_type == HEVC_SLICE_B &&
381  pic_type < 2)
382  pic_type = 2;
383  if (slice->header.slice_type == HEVC_SLICE_P &&
384  pic_type < 1)
385  pic_type = 1;
386  }
387  }
388 
391  .nuh_layer_id = layer_id,
392  .nuh_temporal_id_plus1 = temporal_id + 1,
393  };
394  aud->pic_type = pic_type;
395 
396  err = ff_cbs_insert_unit_content(ctx->cbc, au,
397  0, HEVC_NAL_AUD, aud, NULL);
398  if (err < 0) {
399  av_log(bsf, AV_LOG_ERROR, "Failed to insert AUD.\n");
400  goto fail;
401  }
402  }
403  }
404 
405  if (ctx->level == LEVEL_AUTO && !ctx->level_guess)
406  h265_metadata_guess_level(bsf, au);
407 
408  for (i = 0; i < au->nb_units; i++) {
409  if (au->units[i].type == HEVC_NAL_VPS) {
410  err = h265_metadata_update_vps(bsf, au->units[i].content);
411  if (err < 0)
412  goto fail;
413  }
414  if (au->units[i].type == HEVC_NAL_SPS) {
415  err = h265_metadata_update_sps(bsf, au->units[i].content);
416  if (err < 0)
417  goto fail;
418  }
419  }
420 
421  err = ff_cbs_write_packet(ctx->cbc, pkt, au);
422  if (err < 0) {
423  av_log(bsf, AV_LOG_ERROR, "Failed to write packet.\n");
424  goto fail;
425  }
426 
427  err = 0;
428 fail:
429  ff_cbs_fragment_reset(ctx->cbc, au);
430 
431  if (err < 0)
432  av_packet_unref(pkt);
433 
434  return err;
435 }
436 
438 {
441  int err, i;
442 
443  err = ff_cbs_init(&ctx->cbc, AV_CODEC_ID_HEVC, bsf);
444  if (err < 0)
445  return err;
446 
447  if (bsf->par_in->extradata) {
448  err = ff_cbs_read_extradata(ctx->cbc, au, bsf->par_in);
449  if (err < 0) {
450  av_log(bsf, AV_LOG_ERROR, "Failed to read extradata.\n");
451  goto fail;
452  }
453 
454  if (ctx->level == LEVEL_AUTO)
455  h265_metadata_guess_level(bsf, au);
456 
457  for (i = 0; i < au->nb_units; i++) {
458  if (au->units[i].type == HEVC_NAL_VPS) {
459  err = h265_metadata_update_vps(bsf, au->units[i].content);
460  if (err < 0)
461  goto fail;
462  }
463  if (au->units[i].type == HEVC_NAL_SPS) {
464  err = h265_metadata_update_sps(bsf, au->units[i].content);
465  if (err < 0)
466  goto fail;
467  }
468  }
469 
470  err = ff_cbs_write_extradata(ctx->cbc, bsf->par_out, au);
471  if (err < 0) {
472  av_log(bsf, AV_LOG_ERROR, "Failed to write extradata.\n");
473  goto fail;
474  }
475  }
476 
477  err = 0;
478 fail:
479  ff_cbs_fragment_reset(ctx->cbc, au);
480  return err;
481 }
482 
484 {
486 
487  ff_cbs_fragment_free(ctx->cbc, &ctx->access_unit);
488  ff_cbs_close(&ctx->cbc);
489 }
490 
491 #define OFFSET(x) offsetof(H265MetadataContext, x)
492 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)
493 static const AVOption h265_metadata_options[] = {
494  { "aud", "Access Unit Delimiter NAL units",
496  { .i64 = PASS }, PASS, REMOVE, FLAGS, "aud" },
497  { "pass", NULL, 0, AV_OPT_TYPE_CONST,
498  { .i64 = PASS }, .flags = FLAGS, .unit = "aud" },
499  { "insert", NULL, 0, AV_OPT_TYPE_CONST,
500  { .i64 = INSERT }, .flags = FLAGS, .unit = "aud" },
501  { "remove", NULL, 0, AV_OPT_TYPE_CONST,
502  { .i64 = REMOVE }, .flags = FLAGS, .unit = "aud" },
503 
504  { "sample_aspect_ratio", "Set sample aspect ratio (table E-1)",
506  { .dbl = 0.0 }, 0, 65535, FLAGS },
507 
508  { "video_format", "Set video format (table E-2)",
510  { .i64 = -1 }, -1, 7, FLAGS },
511  { "video_full_range_flag", "Set video full range flag",
513  { .i64 = -1 }, -1, 1, FLAGS },
514  { "colour_primaries", "Set colour primaries (table E-3)",
516  { .i64 = -1 }, -1, 255, FLAGS },
517  { "transfer_characteristics", "Set transfer characteristics (table E-4)",
519  { .i64 = -1 }, -1, 255, FLAGS },
520  { "matrix_coefficients", "Set matrix coefficients (table E-5)",
522  { .i64 = -1 }, -1, 255, FLAGS },
523 
524  { "chroma_sample_loc_type", "Set chroma sample location type (figure E-1)",
526  { .i64 = -1 }, -1, 6, FLAGS },
527 
528  { "tick_rate",
529  "Set VPS and VUI tick rate (num_units_in_tick / time_scale)",
531  { .dbl = 0.0 }, 0, UINT_MAX, FLAGS },
532  { "num_ticks_poc_diff_one",
533  "Set VPS and VUI number of ticks per POC increment",
535  { .i64 = -1 }, -1, INT_MAX, FLAGS },
536 
537  { "crop_left", "Set left border crop offset",
539  { .i64 = -1 }, -1, HEVC_MAX_WIDTH, FLAGS },
540  { "crop_right", "Set right border crop offset",
542  { .i64 = -1 }, -1, HEVC_MAX_WIDTH, FLAGS },
543  { "crop_top", "Set top border crop offset",
545  { .i64 = -1 }, -1, HEVC_MAX_HEIGHT, FLAGS },
546  { "crop_bottom", "Set bottom border crop offset",
548  { .i64 = -1 }, -1, HEVC_MAX_HEIGHT, FLAGS },
549 
550  { "level", "Set level (tables A.6 and A.7)",
552  { .i64 = LEVEL_UNSET }, LEVEL_UNSET, 0xff, FLAGS, "level" },
553  { "auto", "Attempt to guess level from stream properties",
555  { .i64 = LEVEL_AUTO }, .flags = FLAGS, .unit = "level" },
556 #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
557  { .i64 = value }, .flags = FLAGS, .unit = "level"
558  { LEVEL("1", 30) },
559  { LEVEL("2", 60) },
560  { LEVEL("2.1", 63) },
561  { LEVEL("3", 90) },
562  { LEVEL("3.1", 93) },
563  { LEVEL("4", 120) },
564  { LEVEL("4.1", 123) },
565  { LEVEL("5", 150) },
566  { LEVEL("5.1", 153) },
567  { LEVEL("5.2", 156) },
568  { LEVEL("6", 180) },
569  { LEVEL("6.1", 183) },
570  { LEVEL("6.2", 186) },
571  { LEVEL("8.5", 255) },
572 #undef LEVEL
573 
574  { NULL }
575 };
576 
577 static const AVClass h265_metadata_class = {
578  .class_name = "h265_metadata_bsf",
579  .item_name = av_default_item_name,
580  .option = h265_metadata_options,
581  .version = LIBAVUTIL_VERSION_INT,
582 };
583 
584 static const enum AVCodecID h265_metadata_codec_ids[] = {
586 };
587 
589  .name = "hevc_metadata",
590  .priv_data_size = sizeof(H265MetadataContext),
591  .priv_class = &h265_metadata_class,
593  .close = &h265_metadata_close,
596 };
uint32_t bit_rate_value_minus1[HEVC_MAX_CPB_CNT]
Definition: cbs_h265.h:101
#define NULL
Definition: coverity.c:32
static enum AVCodecID h265_metadata_codec_ids[]
int nb_units
Number of units in this fragment.
Definition: cbs.h:147
uint8_t transfer_characteristics
Definition: cbs_h265.h:149
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
AVCodecParameters * par_out
Parameters of the output stream.
Definition: avcodec.h:5797
uint8_t vps_poc_proportional_to_timing_flag
Definition: cbs_h265.h:216
AVOption.
Definition: opt.h:246
static void h265_metadata_update_level(AVBSFContext *bsf, uint8_t *level_idc)
H265RawHRDParameters hrd_parameters
Definition: cbs_h265.h:172
uint8_t nal_hrd_parameters_present_flag
Definition: cbs_h265.h:109
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
#define LIBAVUTIL_VERSION_INT
Definition: version.h:85
int ff_cbs_write_packet(CodedBitstreamContext *ctx, AVPacket *pkt, CodedBitstreamFragment *frag)
Write the bitstream of a fragment to a packet.
Definition: cbs.c:401
const char * desc
Definition: nvenc.c:68
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
uint8_t vui_timing_info_present_flag
Definition: cbs_h265.h:166
int ff_cbs_init(CodedBitstreamContext **ctx_ptr, enum AVCodecID codec_id, void *log_ctx)
Create and initialise a new context for the given codec.
Definition: cbs.c:74
void ff_cbs_delete_unit(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag, int position)
Delete a unit from a fragment and free all memory it uses.
Definition: cbs.c:796
CodedBitstreamUnitType type
Codec-specific type of this unit.
Definition: cbs.h:68
int num
Numerator.
Definition: rational.h:59
The bitstream filter state.
Definition: avcodec.h:5763
const char * av_default_item_name(void *ptr)
Return the context name.
Definition: log.c:191
uint8_t tiles_enabled_flag
Definition: cbs_h265.h:384
int ff_cbs_insert_unit_content(CodedBitstreamContext *ctx, 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:722
uint8_t bit_rate_scale
Definition: cbs_h265.h:118
H265RawProfileTierLevel profile_tier_level
Definition: cbs_h265.h:260
static AVPacket pkt
uint8_t vui_parameters_present_flag
Definition: cbs_h265.h:318
void * priv_data
Opaque filter-specific private data.
Definition: avcodec.h:5784
uint32_t vps_num_units_in_tick
Definition: cbs_h265.h:214
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
static int h265_metadata_update_sps(AVBSFContext *bsf, H265RawSPS *sps)
int tile_cols
Definition: h265_levels.c:218
static void filter(int16_t *output, ptrdiff_t out_stride, int16_t *low, ptrdiff_t low_stride, int16_t *high, ptrdiff_t high_stride, int len, int clip)
Definition: cfhd.c:153
uint16_t pic_height_in_luma_samples
Definition: cbs_h265.h:268
#define OFFSET(x)
uint8_t
H265RawSubLayerHRDParameters nal_sub_layer_hrd_parameters[HEVC_MAX_SUB_LAYERS]
Definition: cbs_h265.h:131
static const AVOption h265_metadata_options[]
AVOptions.
uint8_t colour_primaries
Definition: cbs_h265.h:148
uint8_t video_format
Definition: cbs_h265.h:145
uint8_t vps_timing_info_present_flag
Definition: cbs_h265.h:213
int level_idc
Definition: h264_levels.c:25
int ff_cbs_read_packet(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag, const AVPacket *pkt)
Read the data bitstream from a packet into a fragment, then split into units and decompose.
Definition: cbs.c:242
const H265RawProfileTierLevel * ptl
Definition: h265_levels.c:170
const char * name
Definition: avcodec.h:5813
#define height
uint8_t matrix_coefficients
Definition: cbs_h265.h:150
uint8_t aspect_ratio_info_present_flag
Definition: cbs_h265.h:136
uint8_t nuh_temporal_id_plus1
Definition: cbs_h265.h:40
Coded bitstream unit structure.
Definition: cbs.h:64
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
void * content
Pointer to the decomposed form of this unit.
Definition: cbs.h:101
CodedBitstreamUnit * units
Pointer to an array of units of length nb_units_allocated.
Definition: cbs.h:162
uint8_t video_full_range_flag
Definition: cbs_h265.h:146
#define av_log(a,...)
uint8_t chroma_sample_loc_type_bottom_field
Definition: cbs_h265.h:154
uint8_t video_signal_type_present_flag
Definition: cbs_h265.h:144
H265RawVUI vui
Definition: cbs_h265.h:319
void ff_cbs_fragment_free(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag)
Free the units array of a fragment in addition to what ff_cbs_fragment_reset does.
Definition: cbs.c:157
uint32_t vui_num_ticks_poc_diff_one_minus1
Definition: cbs_h265.h:170
uint8_t vps_max_dec_pic_buffering_minus1[HEVC_MAX_SUB_LAYERS]
Definition: cbs_h265.h:205
static void h265_metadata_close(AVBSFContext *bsf)
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:259
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:215
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
uint8_t nuh_layer_id
Definition: cbs_h265.h:39
uint8_t chroma_loc_info_present_flag
Definition: cbs_h265.h:152
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
uint16_t sar_height
Definition: cbs_h265.h:139
#define fail()
Definition: checkasm.h:120
#define LEVEL(name, value)
uint8_t chroma_sample_loc_type_top_field
Definition: cbs_h265.h:153
uint32_t vui_time_scale
Definition: cbs_h265.h:168
H265RawHRDParameters hrd_parameters[HEVC_MAX_LAYER_SETS]
Definition: cbs_h265.h:221
H265RawNALUnitHeader nal_unit_header
Definition: cbs_h265.h:446
uint8_t slice_type
Definition: cbs_h265.h:462
H265RawProfileTierLevel profile_tier_level
Definition: cbs_h265.h:202
int ff_cbs_write_extradata(CodedBitstreamContext *ctx, AVCodecParameters *par, CodedBitstreamFragment *frag)
Write the bitstream of a fragment to the extradata in codec parameters.
Definition: cbs.c:376
uint8_t pic_type
Definition: cbs_h265.h:448
uint16_t sar_width
Definition: cbs_h265.h:138
#define width
uint8_t vui_hrd_parameters_present_flag
Definition: cbs_h265.h:171
AVFormatContext * ctx
Definition: movenc.c:48
uint16_t pic_width_in_luma_samples
Definition: cbs_h265.h:267
static int h265_metadata_init(AVBSFContext *bsf)
uint8_t vcl_hrd_parameters_present_flag
Definition: cbs_h265.h:110
H265RawSubLayerHRDParameters vcl_sub_layer_hrd_parameters[HEVC_MAX_SUB_LAYERS]
Definition: cbs_h265.h:132
int tile_rows
Definition: h265_levels.c:217
#define FF_ARRAY_ELEMS(a)
uint16_t vps_num_hrd_parameters
Definition: cbs_h265.h:218
CodedBitstreamContext * cbc
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.
Coded bitstream fragment structure, combining one or more units.
Definition: cbs.h:116
uint8_t general_level_idc
Definition: cbs_h265.h:68
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:599
uint32_t vui_num_units_in_tick
Definition: cbs_h265.h:167
CodedBitstreamFragment access_unit
Describe the class of an AVClass context structure.
Definition: log.h:67
void ff_cbs_fragment_reset(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag)
Free the units contained in a fragment as well as the fragment&#39;s own data buffer, but not the units a...
Definition: cbs.c:142
static int FUNC() pps(CodedBitstreamContext *ctx, RWContext *rw, H264RawPPS *current)
Context structure for coded bitstream operations.
Definition: cbs.h:168
Rational number (pair of numerator and denominator).
Definition: rational.h:58
static void h265_metadata_guess_level(AVBSFContext *bsf, const CodedBitstreamFragment *au)
static int FUNC() sps(CodedBitstreamContext *ctx, RWContext *rw, H264RawSPS *current)
uint8_t chroma_format_idc
Definition: cbs_h265.h:264
void ff_cbs_close(CodedBitstreamContext **ctx_ptr)
Close a context and free all internal state.
Definition: cbs.c:115
int ff_cbs_read_extradata(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag, const AVCodecParameters *par)
Read the extradata bitstream found in codec parameters into a fragment, then split into units and dec...
Definition: cbs.c:224
static int FUNC() vps(CodedBitstreamContext *ctx, RWContext *rw, H265RawVPS *current)
#define CROP(border, unit)
uint8_t vui_poc_proportional_to_timing_flag
Definition: cbs_h265.h:169
const AVBitStreamFilter ff_hevc_metadata_bsf
static int h265_metadata_filter(AVBSFContext *bsf, AVPacket *pkt)
common internal and external API header
uint8_t num_tile_rows_minus1
Definition: cbs_h265.h:388
static enum AVCodecID codec_ids[]
uint8_t num_tile_columns_minus1
Definition: cbs_h265.h:387
static const AVClass h265_metadata_class
int den
Denominator.
Definition: rational.h:60
#define SET_OR_INFER(field, value, present_flag, infer)
static int h265_metadata_update_vps(AVBSFContext *bsf, H265RawVPS *vps)
H265RawSliceHeader header
Definition: cbs_h265.h:542
uint32_t vps_time_scale
Definition: cbs_h265.h:215
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
Definition: avcodec.h:3971
uint8_t aspect_ratio_idc
Definition: cbs_h265.h:137
uint8_t sps_max_dec_pic_buffering_minus1[HEVC_MAX_SUB_LAYERS]
Definition: cbs_h265.h:282
AVRational sample_aspect_ratio
uint32_t vps_num_ticks_poc_diff_one_minus1
Definition: cbs_h265.h:217
uint8_t separate_colour_plane_flag
Definition: cbs_h265.h:265
uint8_t colour_description_present_flag
Definition: cbs_h265.h:147
#define FLAGS
This structure stores compressed data.
Definition: avcodec.h:1454
AVCodecParameters * par_in
Parameters of the input stream.
Definition: avcodec.h:5791
int ff_bsf_get_packet_ref(AVBSFContext *ctx, AVPacket *pkt)
Called by bitstream filters to get packet for filtering.
Definition: bsf.c:239
uint8_t nal_unit_type
Definition: cbs_h265.h:38