FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/bsf/h265_metadata.c
Date: 2024-07-14 13:34:57
Exec Total Coverage
Lines: 61 225 27.1%
Functions: 6 7 85.7%
Branches: 38 198 19.2%

Line Branch Exec Source
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 "bsf_internal.h"
24 #include "cbs.h"
25 #include "cbs_bsf.h"
26 #include "cbs_h265.h"
27 #include "h2645data.h"
28 #include "h265_profile_level.h"
29
30 #include "hevc/hevc.h"
31
32 enum {
33 LEVEL_UNSET = -2,
34 LEVEL_AUTO = -1,
35 };
36
37 typedef struct H265MetadataContext {
38 CBSBSFContext common;
39
40 H265RawAUD aud_nal;
41
42 int aud;
43
44 AVRational sample_aspect_ratio;
45
46 int video_format;
47 int video_full_range_flag;
48 int colour_primaries;
49 int transfer_characteristics;
50 int matrix_coefficients;
51
52 int chroma_sample_loc_type;
53
54 AVRational tick_rate;
55 int poc_proportional_to_timing_flag;
56 int num_ticks_poc_diff_one;
57
58 int crop_left;
59 int crop_right;
60 int crop_top;
61 int crop_bottom;
62 int width;
63 int height;
64
65 int level;
66 int level_guess;
67 int level_warned;
68 } H265MetadataContext;
69
70
71 static void h265_metadata_guess_level(AVBSFContext *bsf,
72 const CodedBitstreamFragment *au)
73 {
74 H265MetadataContext *ctx = bsf->priv_data;
75 const H265LevelDescriptor *desc;
76 const H265RawProfileTierLevel *ptl = NULL;
77 const H265RawHRDParameters *hrd = NULL;
78 int64_t bit_rate = 0;
79 int width = 0, height = 0;
80 int tile_cols = 0, tile_rows = 0;
81 int max_dec_pic_buffering = 0;
82 int i;
83
84 for (i = 0; i < au->nb_units; i++) {
85 const CodedBitstreamUnit *unit = &au->units[i];
86
87 if (unit->type == HEVC_NAL_VPS) {
88 const H265RawVPS *vps = unit->content;
89
90 ptl = &vps->profile_tier_level;
91 max_dec_pic_buffering = vps->vps_max_dec_pic_buffering_minus1[0] + 1;
92
93 if (vps->vps_num_hrd_parameters > 0)
94 hrd = &vps->hrd_parameters[0];
95
96 } else if (unit->type == HEVC_NAL_SPS) {
97 const H265RawSPS *sps = unit->content;
98
99 ptl = &sps->profile_tier_level;
100 max_dec_pic_buffering = sps->sps_max_dec_pic_buffering_minus1[0] + 1;
101
102 width = sps->pic_width_in_luma_samples;
103 height = sps->pic_height_in_luma_samples;
104
105 if (sps->vui.vui_hrd_parameters_present_flag)
106 hrd = &sps->vui.hrd_parameters;
107
108 } else if (unit->type == HEVC_NAL_PPS) {
109 const H265RawPPS *pps = unit->content;
110
111 if (pps->tiles_enabled_flag) {
112 tile_cols = pps->num_tile_columns_minus1 + 1;
113 tile_rows = pps->num_tile_rows_minus1 + 1;
114 }
115 }
116 }
117
118 if (hrd) {
119 if (hrd->nal_hrd_parameters_present_flag) {
120 bit_rate = (hrd->nal_sub_layer_hrd_parameters[0].bit_rate_value_minus1[0] + 1) *
121 (INT64_C(1) << hrd->bit_rate_scale + 6);
122 } else if (hrd->vcl_hrd_parameters_present_flag) {
123 bit_rate = (hrd->vcl_sub_layer_hrd_parameters[0].bit_rate_value_minus1[0] + 1) *
124 (INT64_C(1) << hrd->bit_rate_scale + 6);
125 // Adjust for VCL vs. NAL limits.
126 bit_rate = bit_rate * 11 / 10;
127 }
128 }
129
130 desc = ff_h265_guess_level(ptl, bit_rate, width, height,
131 0, tile_rows, tile_cols,
132 max_dec_pic_buffering);
133 if (desc) {
134 av_log(bsf, AV_LOG_DEBUG, "Stream appears to conform to "
135 "level %s.\n", desc->name);
136 ctx->level_guess = desc->level_idc;
137 }
138 }
139
140 98 static void h265_metadata_update_level(AVBSFContext *bsf,
141 uint8_t *level_idc)
142 {
143 98 H265MetadataContext *ctx = bsf->priv_data;
144
145
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98 if (ctx->level != LEVEL_UNSET) {
146 if (ctx->level == LEVEL_AUTO) {
147 if (ctx->level_guess) {
148 *level_idc = ctx->level_guess;
149 } else {
150 if (!ctx->level_warned) {
151 av_log(bsf, AV_LOG_WARNING, "Unable to determine level "
152 "of stream: using level 8.5.\n");
153 ctx->level_warned = 1;
154 }
155 *level_idc = 255;
156 }
157 } else {
158 *level_idc = ctx->level;
159 }
160 }
161 98 }
162
163 48 static int h265_metadata_update_vps(AVBSFContext *bsf,
164 H265RawVPS *vps)
165 {
166 48 H265MetadataContext *ctx = bsf->priv_data;
167
168
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48 if (ctx->tick_rate.num && ctx->tick_rate.den) {
169 int num, den;
170
171 av_reduce(&num, &den, ctx->tick_rate.num, ctx->tick_rate.den,
172 UINT32_MAX > INT_MAX ? UINT32_MAX : INT_MAX);
173
174 vps->vps_time_scale = num;
175 vps->vps_num_units_in_tick = den;
176
177 vps->vps_timing_info_present_flag = 1;
178
179 if (ctx->num_ticks_poc_diff_one > 0) {
180 vps->vps_num_ticks_poc_diff_one_minus1 =
181 ctx->num_ticks_poc_diff_one - 1;
182 vps->vps_poc_proportional_to_timing_flag = 1;
183 } else if (ctx->num_ticks_poc_diff_one == 0) {
184 vps->vps_poc_proportional_to_timing_flag = 0;
185 }
186 }
187
188 48 h265_metadata_update_level(bsf, &vps->profile_tier_level.general_level_idc);
189
190 48 return 0;
191 }
192
193 50 static int h265_metadata_deduce_crop(AVBSFContext *bsf, const H265RawSPS *sps,
194 int *crop_left, int *crop_right,
195 int *crop_top, int *crop_bottom)
196 {
197 50 const H265MetadataContext *ctx = bsf->priv_data;
198 50 int left = ctx->crop_left;
199 50 int right = ctx->crop_right;
200 50 int top = ctx->crop_top;
201 50 int bottom = ctx->crop_bottom;
202
203
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50 if (ctx->width > 0) {
204 if (ctx->width > sps->pic_width_in_luma_samples) {
205 av_log(bsf, AV_LOG_ERROR,
206 "The width option value %d is larger than picture width %d\n",
207 ctx->width, sps->pic_width_in_luma_samples);
208 return AVERROR(EINVAL);
209 }
210
211 if (left < 0) {
212 if (right > 0)
213 left = sps->pic_width_in_luma_samples - ctx->width - right;
214 else
215 left = 0;
216 }
217
218 if (right < 0)
219 right = sps->pic_width_in_luma_samples - ctx->width - left;
220
221 if (left < 0 || right < 0 || (left + right + ctx->width) !=
222 sps->pic_width_in_luma_samples) {
223 av_log(bsf, AV_LOG_ERROR,
224 "Invalid value for crop_left %d, crop_right %d, width after "
225 "crop %d, with picture width %d\n",
226 ctx->crop_left, ctx->crop_right, ctx->width,
227 sps->pic_width_in_luma_samples);
228 return AVERROR(EINVAL);
229 }
230 }
231
232
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50 if (ctx->height > 0) {
233 if (ctx->height > sps->pic_height_in_luma_samples) {
234 av_log(bsf, AV_LOG_ERROR,
235 "The height option value %d is larger than picture height %d\n",
236 ctx->height, sps->pic_height_in_luma_samples);
237 return AVERROR(EINVAL);
238 }
239
240 if (top < 0) {
241 if (bottom > 0)
242 top = sps->pic_height_in_luma_samples - ctx->height - bottom;
243 else
244 top = 0;
245 }
246
247 if (bottom < 0)
248 bottom = sps->pic_height_in_luma_samples - ctx->height - top;
249
250 if (top < 0 || bottom < 0 || (top + bottom + ctx->height) !=
251 sps->pic_height_in_luma_samples) {
252 av_log(bsf, AV_LOG_ERROR,
253 "Invalid value for crop_top %d, crop_bottom %d, height after "
254 "crop %d, with picture height %d\n",
255 ctx->crop_top, ctx->crop_bottom, ctx->height,
256 sps->pic_height_in_luma_samples);
257 return AVERROR(EINVAL);
258 }
259 }
260
261 50 *crop_left = left;
262 50 *crop_right = right;
263 50 *crop_top = top;
264 50 *crop_bottom = bottom;
265
266 50 return 0;
267 }
268
269 50 static int h265_metadata_update_sps(AVBSFContext *bsf,
270 H265RawSPS *sps)
271 {
272 50 H265MetadataContext *ctx = bsf->priv_data;
273 50 int need_vui = 0;
274 int crop_unit_x, crop_unit_y;
275 /* Use local variables to avoid modifying context fields in case of video
276 * resolution changed. Crop doesn't work well with resolution change, this
277 * is the best we can do.
278 */
279 int crop_left, crop_right, crop_top, crop_bottom;
280 int ret;
281
282
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50 if (ctx->sample_aspect_ratio.num && ctx->sample_aspect_ratio.den) {
283 int num, den, i;
284
285 av_reduce(&num, &den, ctx->sample_aspect_ratio.num,
286 ctx->sample_aspect_ratio.den, 65535);
287
288 for (i = 1; i < FF_ARRAY_ELEMS(ff_h2645_pixel_aspect); i++) {
289 if (num == ff_h2645_pixel_aspect[i].num &&
290 den == ff_h2645_pixel_aspect[i].den)
291 break;
292 }
293 if (i == FF_ARRAY_ELEMS(ff_h2645_pixel_aspect)) {
294 sps->vui.aspect_ratio_idc = 255;
295 sps->vui.sar_width = num;
296 sps->vui.sar_height = den;
297 } else {
298 sps->vui.aspect_ratio_idc = i;
299 }
300 sps->vui.aspect_ratio_info_present_flag = 1;
301 need_vui = 1;
302 }
303
304 #define SET_OR_INFER(field, value, present_flag, infer) do { \
305 if (value >= 0) { \
306 field = value; \
307 need_vui = 1; \
308 } else if (!present_flag) \
309 field = infer; \
310 } while (0)
311
312
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50 if (ctx->video_format >= 0 ||
313
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50 ctx->video_full_range_flag >= 0 ||
314
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50 ctx->colour_primaries >= 0 ||
315
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50 ctx->transfer_characteristics >= 0 ||
316
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50 ctx->matrix_coefficients >= 0) {
317
318 SET_OR_INFER(sps->vui.video_format, ctx->video_format,
319 sps->vui.video_signal_type_present_flag, 5);
320
321 SET_OR_INFER(sps->vui.video_full_range_flag,
322 ctx->video_full_range_flag,
323 sps->vui.video_signal_type_present_flag, 0);
324
325 if (ctx->colour_primaries >= 0 ||
326 ctx->transfer_characteristics >= 0 ||
327 ctx->matrix_coefficients >= 0) {
328
329 SET_OR_INFER(sps->vui.colour_primaries,
330 ctx->colour_primaries,
331 sps->vui.colour_description_present_flag, 2);
332
333 SET_OR_INFER(sps->vui.transfer_characteristics,
334 ctx->transfer_characteristics,
335 sps->vui.colour_description_present_flag, 2);
336
337 SET_OR_INFER(sps->vui.matrix_coefficients,
338 ctx->matrix_coefficients,
339 sps->vui.colour_description_present_flag, 2);
340
341 sps->vui.colour_description_present_flag = 1;
342 }
343 sps->vui.video_signal_type_present_flag = 1;
344 need_vui = 1;
345 }
346
347
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50 if (ctx->chroma_sample_loc_type >= 0) {
348 sps->vui.chroma_sample_loc_type_top_field =
349 ctx->chroma_sample_loc_type;
350 sps->vui.chroma_sample_loc_type_bottom_field =
351 ctx->chroma_sample_loc_type;
352 sps->vui.chroma_loc_info_present_flag = 1;
353 need_vui = 1;
354 }
355
356
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50 if (ctx->tick_rate.num && ctx->tick_rate.den) {
357 int num, den;
358
359 av_reduce(&num, &den, ctx->tick_rate.num, ctx->tick_rate.den,
360 UINT32_MAX > INT_MAX ? UINT32_MAX : INT_MAX);
361
362 sps->vui.vui_time_scale = num;
363 sps->vui.vui_num_units_in_tick = den;
364
365 sps->vui.vui_timing_info_present_flag = 1;
366 need_vui = 1;
367
368 if (ctx->num_ticks_poc_diff_one > 0) {
369 sps->vui.vui_num_ticks_poc_diff_one_minus1 =
370 ctx->num_ticks_poc_diff_one - 1;
371 sps->vui.vui_poc_proportional_to_timing_flag = 1;
372 } else if (ctx->num_ticks_poc_diff_one == 0) {
373 sps->vui.vui_poc_proportional_to_timing_flag = 0;
374 }
375 }
376
377 50 ret = h265_metadata_deduce_crop(bsf, sps, &crop_left, &crop_right,
378 &crop_top, &crop_bottom);
379
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50 if (ret < 0)
380 return ret;
381
382
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50 if (sps->separate_colour_plane_flag || sps->chroma_format_idc == 0) {
383 crop_unit_x = 1;
384 crop_unit_y = 1;
385 } else {
386
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50 crop_unit_x = 1 + (sps->chroma_format_idc < 3);
387
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50 crop_unit_y = 1 + (sps->chroma_format_idc < 2);
388 }
389 #define CROP(border, unit) do { \
390 if (crop_ ## border >= 0) { \
391 if (crop_ ## border % unit != 0) { \
392 av_log(bsf, AV_LOG_ERROR, "Invalid value for crop_%s: " \
393 "must be a multiple of %d.\n", #border, unit); \
394 return AVERROR(EINVAL); \
395 } \
396 sps->conf_win_ ## border ## _offset = \
397 crop_ ## border / unit; \
398 sps->conformance_window_flag = 1; \
399 } \
400 } while (0)
401
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50 CROP(left, crop_unit_x);
402
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50 CROP(right, crop_unit_x);
403
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50 CROP(top, crop_unit_y);
404
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50 CROP(bottom, crop_unit_y);
405 #undef CROP
406
407
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50 if (need_vui)
408 sps->vui_parameters_present_flag = 1;
409
410 50 h265_metadata_update_level(bsf, &sps->profile_tier_level.general_level_idc);
411
412 50 return 0;
413 }
414
415 2152 static int h265_metadata_update_fragment(AVBSFContext *bsf, AVPacket *pkt,
416 CodedBitstreamFragment *au)
417 {
418 2152 H265MetadataContext *ctx = bsf->priv_data;
419 int err, i;
420
421 // If an AUD is present, it must be the first NAL unit.
422
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2152 if (au->nb_units && au->units[0].type == HEVC_NAL_AUD) {
423
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60 if (ctx->aud == BSF_ELEMENT_REMOVE)
424 ff_cbs_delete_unit(au, 0);
425 } else {
426
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2092 if (pkt && ctx->aud == BSF_ELEMENT_INSERT) {
427 H265RawAUD *aud = &ctx->aud_nal;
428 int pic_type = 0, temporal_id = 8, layer_id = 0;
429
430 for (i = 0; i < au->nb_units; i++) {
431 const H265RawNALUnitHeader *nal = au->units[i].content;
432 if (!nal)
433 continue;
434 if (nal->nuh_temporal_id_plus1 < temporal_id + 1)
435 temporal_id = nal->nuh_temporal_id_plus1 - 1;
436
437 if (au->units[i].type <= HEVC_NAL_RSV_VCL31) {
438 const H265RawSlice *slice = au->units[i].content;
439 layer_id = nal->nuh_layer_id;
440 if (slice->header.slice_type == HEVC_SLICE_B &&
441 pic_type < 2)
442 pic_type = 2;
443 if (slice->header.slice_type == HEVC_SLICE_P &&
444 pic_type < 1)
445 pic_type = 1;
446 }
447 }
448
449 aud->nal_unit_header = (H265RawNALUnitHeader) {
450 .nal_unit_type = HEVC_NAL_AUD,
451 .nuh_layer_id = layer_id,
452 .nuh_temporal_id_plus1 = temporal_id + 1,
453 };
454 aud->pic_type = pic_type;
455
456 err = ff_cbs_insert_unit_content(au, 0, HEVC_NAL_AUD, aud, NULL);
457 if (err < 0) {
458 av_log(bsf, AV_LOG_ERROR, "Failed to insert AUD.\n");
459 return err;
460 }
461 }
462 }
463
464
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2152 if (ctx->level == LEVEL_AUTO && !ctx->level_guess)
465 h265_metadata_guess_level(bsf, au);
466
467
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9984 for (i = 0; i < au->nb_units; i++) {
468
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7832 if (au->units[i].type == HEVC_NAL_VPS) {
469 48 err = h265_metadata_update_vps(bsf, au->units[i].content);
470
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48 if (err < 0)
471 return err;
472 }
473
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7832 if (au->units[i].type == HEVC_NAL_SPS) {
474 50 err = h265_metadata_update_sps(bsf, au->units[i].content);
475
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50 if (err < 0)
476 return err;
477 }
478 }
479
480 2152 return 0;
481 }
482
483 static const CBSBSFType h265_metadata_type = {
484 .codec_id = AV_CODEC_ID_HEVC,
485 .fragment_name = "access unit",
486 .unit_name = "NAL unit",
487 .update_fragment = &h265_metadata_update_fragment,
488 };
489
490 20 static int h265_metadata_init(AVBSFContext *bsf)
491 {
492 20 return ff_cbs_bsf_generic_init(bsf, &h265_metadata_type);
493 }
494
495 #define OFFSET(x) offsetof(H265MetadataContext, x)
496 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)
497 static const AVOption h265_metadata_options[] = {
498 BSF_ELEMENT_OPTIONS_PIR("aud", "Access Unit Delimiter NAL units",
499 aud, FLAGS),
500
501 { "sample_aspect_ratio", "Set sample aspect ratio (table E-1)",
502 OFFSET(sample_aspect_ratio), AV_OPT_TYPE_RATIONAL,
503 { .dbl = 0.0 }, 0, 65535, FLAGS },
504
505 { "video_format", "Set video format (table E-2)",
506 OFFSET(video_format), AV_OPT_TYPE_INT,
507 { .i64 = -1 }, -1, 7, FLAGS },
508 { "video_full_range_flag", "Set video full range flag",
509 OFFSET(video_full_range_flag), AV_OPT_TYPE_INT,
510 { .i64 = -1 }, -1, 1, FLAGS },
511 { "colour_primaries", "Set colour primaries (table E-3)",
512 OFFSET(colour_primaries), AV_OPT_TYPE_INT,
513 { .i64 = -1 }, -1, 255, FLAGS },
514 { "transfer_characteristics", "Set transfer characteristics (table E-4)",
515 OFFSET(transfer_characteristics), AV_OPT_TYPE_INT,
516 { .i64 = -1 }, -1, 255, FLAGS },
517 { "matrix_coefficients", "Set matrix coefficients (table E-5)",
518 OFFSET(matrix_coefficients), AV_OPT_TYPE_INT,
519 { .i64 = -1 }, -1, 255, FLAGS },
520
521 { "chroma_sample_loc_type", "Set chroma sample location type (figure E-1)",
522 OFFSET(chroma_sample_loc_type), AV_OPT_TYPE_INT,
523 { .i64 = -1 }, -1, 5, FLAGS },
524
525 { "tick_rate",
526 "Set VPS and VUI tick rate (time_scale / num_units_in_tick)",
527 OFFSET(tick_rate), AV_OPT_TYPE_RATIONAL,
528 { .dbl = 0.0 }, 0, UINT_MAX, FLAGS },
529 { "num_ticks_poc_diff_one",
530 "Set VPS and VUI number of ticks per POC increment",
531 OFFSET(num_ticks_poc_diff_one), AV_OPT_TYPE_INT,
532 { .i64 = -1 }, -1, INT_MAX, FLAGS },
533
534 { "crop_left", "Set left border crop offset",
535 OFFSET(crop_left), AV_OPT_TYPE_INT,
536 { .i64 = -1 }, -1, HEVC_MAX_WIDTH, FLAGS },
537 { "crop_right", "Set right border crop offset",
538 OFFSET(crop_right), AV_OPT_TYPE_INT,
539 { .i64 = -1 }, -1, HEVC_MAX_WIDTH, FLAGS },
540 { "crop_top", "Set top border crop offset",
541 OFFSET(crop_top), AV_OPT_TYPE_INT,
542 { .i64 = -1 }, -1, HEVC_MAX_HEIGHT, FLAGS },
543 { "crop_bottom", "Set bottom border crop offset",
544 OFFSET(crop_bottom), AV_OPT_TYPE_INT,
545 { .i64 = -1 }, -1, HEVC_MAX_HEIGHT, FLAGS },
546 { "width", "Set width after crop",
547 OFFSET(width), AV_OPT_TYPE_INT,
548 { .i64 = -1 }, -1, HEVC_MAX_WIDTH, FLAGS },
549 { "height", "Set height after crop",
550 OFFSET(height), AV_OPT_TYPE_INT,
551 { .i64 = -1 }, -1, HEVC_MAX_HEIGHT, FLAGS },
552
553 { "level", "Set level (tables A.6 and A.7)",
554 OFFSET(level), AV_OPT_TYPE_INT,
555 { .i64 = LEVEL_UNSET }, LEVEL_UNSET, 0xff, FLAGS, .unit = "level" },
556 { "auto", "Attempt to guess level from stream properties",
557 0, AV_OPT_TYPE_CONST,
558 { .i64 = LEVEL_AUTO }, .flags = FLAGS, .unit = "level" },
559 #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
560 { .i64 = value }, .flags = FLAGS, .unit = "level"
561 { LEVEL("1", 30) },
562 { LEVEL("2", 60) },
563 { LEVEL("2.1", 63) },
564 { LEVEL("3", 90) },
565 { LEVEL("3.1", 93) },
566 { LEVEL("4", 120) },
567 { LEVEL("4.1", 123) },
568 { LEVEL("5", 150) },
569 { LEVEL("5.1", 153) },
570 { LEVEL("5.2", 156) },
571 { LEVEL("6", 180) },
572 { LEVEL("6.1", 183) },
573 { LEVEL("6.2", 186) },
574 { LEVEL("8.5", 255) },
575 #undef LEVEL
576
577 { NULL }
578 };
579
580 static const AVClass h265_metadata_class = {
581 .class_name = "h265_metadata_bsf",
582 .item_name = av_default_item_name,
583 .option = h265_metadata_options,
584 .version = LIBAVUTIL_VERSION_INT,
585 };
586
587 static const enum AVCodecID h265_metadata_codec_ids[] = {
588 AV_CODEC_ID_HEVC, AV_CODEC_ID_NONE,
589 };
590
591 const FFBitStreamFilter ff_hevc_metadata_bsf = {
592 .p.name = "hevc_metadata",
593 .p.codec_ids = h265_metadata_codec_ids,
594 .p.priv_class = &h265_metadata_class,
595 .priv_data_size = sizeof(H265MetadataContext),
596 .init = &h265_metadata_init,
597 .close = &ff_cbs_bsf_generic_close,
598 .filter = &ff_cbs_bsf_generic_filter,
599 };
600