FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/vaapi_encode_h264.c
Date: 2024-04-19 17:50:32
Exec Total Coverage
Lines: 0 682 0.0%
Functions: 0 12 0.0%
Branches: 0 367 0.0%

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 <string.h>
20
21 #include <va/va.h>
22 #include <va/va_enc_h264.h>
23
24 #include "libavutil/avassert.h"
25 #include "libavutil/common.h"
26 #include "libavutil/mem.h"
27 #include "libavutil/pixdesc.h"
28 #include "libavutil/opt.h"
29
30 #include "atsc_a53.h"
31 #include "avcodec.h"
32 #include "cbs.h"
33 #include "cbs_h264.h"
34 #include "codec_internal.h"
35 #include "h264.h"
36 #include "h264_levels.h"
37 #include "h2645data.h"
38 #include "vaapi_encode.h"
39 #include "version.h"
40
41 enum {
42 SEI_TIMING = 0x01,
43 SEI_IDENTIFIER = 0x02,
44 SEI_RECOVERY_POINT = 0x04,
45 SEI_A53_CC = 0x08,
46 };
47
48 // Random (version 4) ISO 11578 UUID.
49 static const uint8_t vaapi_encode_h264_sei_identifier_uuid[16] = {
50 0x59, 0x94, 0x8b, 0x28, 0x11, 0xec, 0x45, 0xaf,
51 0x96, 0x75, 0x19, 0xd4, 0x1f, 0xea, 0xa9, 0x4d,
52 };
53
54 typedef struct VAAPIEncodeH264Picture {
55 int frame_num;
56 int pic_order_cnt;
57
58 int64_t last_idr_frame;
59 uint16_t idr_pic_id;
60
61 int primary_pic_type;
62 int slice_type;
63
64 int cpb_delay;
65 int dpb_delay;
66 } VAAPIEncodeH264Picture;
67
68 typedef struct VAAPIEncodeH264Context {
69 VAAPIEncodeContext common;
70
71 // User options.
72 int qp;
73 int quality;
74 int coder;
75 int aud;
76 int sei;
77 int profile;
78 int level;
79
80 // Derived settings.
81 int mb_width;
82 int mb_height;
83
84 int fixed_qp_idr;
85 int fixed_qp_p;
86 int fixed_qp_b;
87
88 int dpb_frames;
89
90 // Writer structures.
91 CodedBitstreamContext *cbc;
92 CodedBitstreamFragment current_access_unit;
93
94 H264RawAUD raw_aud;
95 H264RawSPS raw_sps;
96 H264RawPPS raw_pps;
97 H264RawSlice raw_slice;
98
99 H264RawSEIBufferingPeriod sei_buffering_period;
100 H264RawSEIPicTiming sei_pic_timing;
101 H264RawSEIRecoveryPoint sei_recovery_point;
102 SEIRawUserDataUnregistered sei_identifier;
103 char *sei_identifier_string;
104 SEIRawUserDataRegistered sei_a53cc;
105 void *sei_a53cc_data;
106
107 int aud_needed;
108 int sei_needed;
109 int sei_cbr_workaround_needed;
110 } VAAPIEncodeH264Context;
111
112
113 static int vaapi_encode_h264_write_access_unit(AVCodecContext *avctx,
114 char *data, size_t *data_len,
115 CodedBitstreamFragment *au)
116 {
117 VAAPIEncodeH264Context *priv = avctx->priv_data;
118 int err;
119
120 err = ff_cbs_write_fragment_data(priv->cbc, au);
121 if (err < 0) {
122 av_log(avctx, AV_LOG_ERROR, "Failed to write packed header.\n");
123 return err;
124 }
125
126 if (*data_len < 8 * au->data_size - au->data_bit_padding) {
127 av_log(avctx, AV_LOG_ERROR, "Access unit too large: "
128 "%zu < %zu.\n", *data_len,
129 8 * au->data_size - au->data_bit_padding);
130 return AVERROR(ENOSPC);
131 }
132
133 memcpy(data, au->data, au->data_size);
134 *data_len = 8 * au->data_size - au->data_bit_padding;
135
136 return 0;
137 }
138
139 static int vaapi_encode_h264_add_nal(AVCodecContext *avctx,
140 CodedBitstreamFragment *au,
141 void *nal_unit)
142 {
143 H264RawNALUnitHeader *header = nal_unit;
144 int err;
145
146 err = ff_cbs_insert_unit_content(au, -1,
147 header->nal_unit_type, nal_unit, NULL);
148 if (err < 0) {
149 av_log(avctx, AV_LOG_ERROR, "Failed to add NAL unit: "
150 "type = %d.\n", header->nal_unit_type);
151 return err;
152 }
153
154 return 0;
155 }
156
157 static int vaapi_encode_h264_write_sequence_header(AVCodecContext *avctx,
158 char *data, size_t *data_len)
159 {
160 VAAPIEncodeH264Context *priv = avctx->priv_data;
161 CodedBitstreamFragment *au = &priv->current_access_unit;
162 int err;
163
164 if (priv->aud_needed) {
165 err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_aud);
166 if (err < 0)
167 goto fail;
168 priv->aud_needed = 0;
169 }
170
171 err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_sps);
172 if (err < 0)
173 goto fail;
174
175 err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_pps);
176 if (err < 0)
177 goto fail;
178
179 err = vaapi_encode_h264_write_access_unit(avctx, data, data_len, au);
180 fail:
181 ff_cbs_fragment_reset(au);
182 return err;
183 }
184
185 static int vaapi_encode_h264_write_slice_header(AVCodecContext *avctx,
186 VAAPIEncodePicture *pic,
187 VAAPIEncodeSlice *slice,
188 char *data, size_t *data_len)
189 {
190 VAAPIEncodeH264Context *priv = avctx->priv_data;
191 CodedBitstreamFragment *au = &priv->current_access_unit;
192 int err;
193
194 if (priv->aud_needed) {
195 err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_aud);
196 if (err < 0)
197 goto fail;
198 priv->aud_needed = 0;
199 }
200
201 err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_slice);
202 if (err < 0)
203 goto fail;
204
205 err = vaapi_encode_h264_write_access_unit(avctx, data, data_len, au);
206 fail:
207 ff_cbs_fragment_reset(au);
208 return err;
209 }
210
211 static int vaapi_encode_h264_write_extra_header(AVCodecContext *avctx,
212 VAAPIEncodePicture *pic,
213 int index, int *type,
214 char *data, size_t *data_len)
215 {
216 VAAPIEncodeH264Context *priv = avctx->priv_data;
217 CodedBitstreamFragment *au = &priv->current_access_unit;
218 int err;
219
220 if (priv->sei_needed) {
221 if (priv->aud_needed) {
222 err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_aud);
223 if (err < 0)
224 goto fail;
225 priv->aud_needed = 0;
226 }
227
228 if (priv->sei_needed & SEI_IDENTIFIER) {
229 err = ff_cbs_sei_add_message(priv->cbc, au, 1,
230 SEI_TYPE_USER_DATA_UNREGISTERED,
231 &priv->sei_identifier, NULL);
232 if (err < 0)
233 goto fail;
234 }
235 if (priv->sei_needed & SEI_TIMING) {
236 if (pic->type == PICTURE_TYPE_IDR) {
237 err = ff_cbs_sei_add_message(priv->cbc, au, 1,
238 SEI_TYPE_BUFFERING_PERIOD,
239 &priv->sei_buffering_period, NULL);
240 if (err < 0)
241 goto fail;
242 }
243 err = ff_cbs_sei_add_message(priv->cbc, au, 1,
244 SEI_TYPE_PIC_TIMING,
245 &priv->sei_pic_timing, NULL);
246 if (err < 0)
247 goto fail;
248 }
249 if (priv->sei_needed & SEI_RECOVERY_POINT) {
250 err = ff_cbs_sei_add_message(priv->cbc, au, 1,
251 SEI_TYPE_RECOVERY_POINT,
252 &priv->sei_recovery_point, NULL);
253 if (err < 0)
254 goto fail;
255 }
256 if (priv->sei_needed & SEI_A53_CC) {
257 err = ff_cbs_sei_add_message(priv->cbc, au, 1,
258 SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35,
259 &priv->sei_a53cc, NULL);
260 if (err < 0)
261 goto fail;
262 }
263
264 priv->sei_needed = 0;
265
266 err = vaapi_encode_h264_write_access_unit(avctx, data, data_len, au);
267 if (err < 0)
268 goto fail;
269
270 ff_cbs_fragment_reset(au);
271
272 *type = VAEncPackedHeaderRawData;
273 return 0;
274
275 #if !CONFIG_VAAPI_1
276 } else if (priv->sei_cbr_workaround_needed) {
277 // Insert a zero-length header using the old SEI type. This is
278 // required to avoid triggering broken behaviour on Intel platforms
279 // in CBR mode where an invalid SEI message is generated by the
280 // driver and inserted into the stream.
281 *data_len = 0;
282 *type = VAEncPackedHeaderH264_SEI;
283 priv->sei_cbr_workaround_needed = 0;
284 return 0;
285 #endif
286
287 } else {
288 return AVERROR_EOF;
289 }
290
291 fail:
292 ff_cbs_fragment_reset(au);
293 return err;
294 }
295
296 static int vaapi_encode_h264_init_sequence_params(AVCodecContext *avctx)
297 {
298 VAAPIEncodeContext *ctx = avctx->priv_data;
299 VAAPIEncodeH264Context *priv = avctx->priv_data;
300 H264RawSPS *sps = &priv->raw_sps;
301 H264RawPPS *pps = &priv->raw_pps;
302 VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
303 VAEncPictureParameterBufferH264 *vpic = ctx->codec_picture_params;
304 const AVPixFmtDescriptor *desc;
305 int bit_depth;
306
307 memset(sps, 0, sizeof(*sps));
308 memset(pps, 0, sizeof(*pps));
309
310 desc = av_pix_fmt_desc_get(priv->common.input_frames->sw_format);
311 av_assert0(desc);
312 if (desc->nb_components == 1 || desc->log2_chroma_w != 1 || desc->log2_chroma_h != 1) {
313 av_log(avctx, AV_LOG_ERROR, "Chroma format of input pixel format "
314 "%s is not supported.\n", desc->name);
315 return AVERROR(EINVAL);
316 }
317 bit_depth = desc->comp[0].depth;
318
319 sps->nal_unit_header.nal_ref_idc = 3;
320 sps->nal_unit_header.nal_unit_type = H264_NAL_SPS;
321
322 sps->profile_idc = avctx->profile & 0xff;
323
324 if (avctx->profile == AV_PROFILE_H264_CONSTRAINED_BASELINE ||
325 avctx->profile == AV_PROFILE_H264_MAIN)
326 sps->constraint_set1_flag = 1;
327
328 if (avctx->profile == AV_PROFILE_H264_HIGH || avctx->profile == AV_PROFILE_H264_HIGH_10)
329 sps->constraint_set3_flag = ctx->gop_size == 1;
330
331 if (avctx->profile == AV_PROFILE_H264_MAIN ||
332 avctx->profile == AV_PROFILE_H264_HIGH || avctx->profile == AV_PROFILE_H264_HIGH_10) {
333 sps->constraint_set4_flag = 1;
334 sps->constraint_set5_flag = ctx->b_per_p == 0;
335 }
336
337 if (ctx->gop_size == 1)
338 priv->dpb_frames = 0;
339 else
340 priv->dpb_frames = 1 + ctx->max_b_depth;
341
342 if (avctx->level != AV_LEVEL_UNKNOWN) {
343 sps->level_idc = avctx->level;
344 } else {
345 const H264LevelDescriptor *level;
346 int framerate;
347
348 if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
349 framerate = avctx->framerate.num / avctx->framerate.den;
350 else
351 framerate = 0;
352
353 level = ff_h264_guess_level(sps->profile_idc,
354 avctx->bit_rate,
355 framerate,
356 priv->mb_width * 16,
357 priv->mb_height * 16,
358 priv->dpb_frames);
359 if (level) {
360 av_log(avctx, AV_LOG_VERBOSE, "Using level %s.\n", level->name);
361 if (level->constraint_set3_flag)
362 sps->constraint_set3_flag = 1;
363 sps->level_idc = level->level_idc;
364 } else {
365 av_log(avctx, AV_LOG_WARNING, "Stream will not conform "
366 "to any level: using level 6.2.\n");
367 sps->level_idc = 62;
368 }
369 }
370
371 sps->seq_parameter_set_id = 0;
372 sps->chroma_format_idc = 1;
373 sps->bit_depth_luma_minus8 = bit_depth - 8;
374 sps->bit_depth_chroma_minus8 = bit_depth - 8;
375
376 sps->log2_max_frame_num_minus4 = 4;
377 sps->pic_order_cnt_type = ctx->max_b_depth ? 0 : 2;
378 if (sps->pic_order_cnt_type == 0) {
379 sps->log2_max_pic_order_cnt_lsb_minus4 = 4;
380 }
381
382 sps->max_num_ref_frames = priv->dpb_frames;
383
384 sps->pic_width_in_mbs_minus1 = priv->mb_width - 1;
385 sps->pic_height_in_map_units_minus1 = priv->mb_height - 1;
386
387 sps->frame_mbs_only_flag = 1;
388 sps->direct_8x8_inference_flag = 1;
389
390 if (avctx->width != 16 * priv->mb_width ||
391 avctx->height != 16 * priv->mb_height) {
392 sps->frame_cropping_flag = 1;
393
394 sps->frame_crop_left_offset = 0;
395 sps->frame_crop_right_offset =
396 (16 * priv->mb_width - avctx->width) / 2;
397 sps->frame_crop_top_offset = 0;
398 sps->frame_crop_bottom_offset =
399 (16 * priv->mb_height - avctx->height) / 2;
400 } else {
401 sps->frame_cropping_flag = 0;
402 }
403
404 sps->vui_parameters_present_flag = 1;
405
406 if (avctx->sample_aspect_ratio.num != 0 &&
407 avctx->sample_aspect_ratio.den != 0) {
408 int num, den, i;
409 av_reduce(&num, &den, avctx->sample_aspect_ratio.num,
410 avctx->sample_aspect_ratio.den, 65535);
411 for (i = 0; i < FF_ARRAY_ELEMS(ff_h2645_pixel_aspect); i++) {
412 if (num == ff_h2645_pixel_aspect[i].num &&
413 den == ff_h2645_pixel_aspect[i].den) {
414 sps->vui.aspect_ratio_idc = i;
415 break;
416 }
417 }
418 if (i >= FF_ARRAY_ELEMS(ff_h2645_pixel_aspect)) {
419 sps->vui.aspect_ratio_idc = 255;
420 sps->vui.sar_width = num;
421 sps->vui.sar_height = den;
422 }
423 sps->vui.aspect_ratio_info_present_flag = 1;
424 }
425
426 // Unspecified video format, from table E-2.
427 sps->vui.video_format = 5;
428 sps->vui.video_full_range_flag =
429 avctx->color_range == AVCOL_RANGE_JPEG;
430 sps->vui.colour_primaries = avctx->color_primaries;
431 sps->vui.transfer_characteristics = avctx->color_trc;
432 sps->vui.matrix_coefficients = avctx->colorspace;
433 if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
434 avctx->color_trc != AVCOL_TRC_UNSPECIFIED ||
435 avctx->colorspace != AVCOL_SPC_UNSPECIFIED)
436 sps->vui.colour_description_present_flag = 1;
437 if (avctx->color_range != AVCOL_RANGE_UNSPECIFIED ||
438 sps->vui.colour_description_present_flag)
439 sps->vui.video_signal_type_present_flag = 1;
440
441 if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) {
442 sps->vui.chroma_loc_info_present_flag = 1;
443 sps->vui.chroma_sample_loc_type_top_field =
444 sps->vui.chroma_sample_loc_type_bottom_field =
445 avctx->chroma_sample_location - 1;
446 }
447
448 sps->vui.timing_info_present_flag = 1;
449 if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
450 sps->vui.num_units_in_tick = avctx->framerate.den;
451 sps->vui.time_scale = 2 * avctx->framerate.num;
452 sps->vui.fixed_frame_rate_flag = 1;
453 } else {
454 sps->vui.num_units_in_tick = avctx->time_base.num;
455 sps->vui.time_scale = 2 * avctx->time_base.den;
456 sps->vui.fixed_frame_rate_flag = 0;
457 }
458
459 if (priv->sei & SEI_TIMING) {
460 H264RawHRD *hrd = &sps->vui.nal_hrd_parameters;
461 H264RawSEIBufferingPeriod *bp = &priv->sei_buffering_period;
462
463 sps->vui.nal_hrd_parameters_present_flag = 1;
464
465 hrd->cpb_cnt_minus1 = 0;
466
467 // Try to scale these to a sensible range so that the
468 // golomb encode of the value is not overlong.
469 hrd->bit_rate_scale =
470 av_clip_uintp2(av_log2(ctx->va_bit_rate) - 15 - 6, 4);
471 hrd->bit_rate_value_minus1[0] =
472 (ctx->va_bit_rate >> hrd->bit_rate_scale + 6) - 1;
473
474 hrd->cpb_size_scale =
475 av_clip_uintp2(av_log2(ctx->hrd_params.buffer_size) - 15 - 4, 4);
476 hrd->cpb_size_value_minus1[0] =
477 (ctx->hrd_params.buffer_size >> hrd->cpb_size_scale + 4) - 1;
478
479 // CBR mode as defined for the HRD cannot be achieved without filler
480 // data, so this flag cannot be set even with VAAPI CBR modes.
481 hrd->cbr_flag[0] = 0;
482
483 hrd->initial_cpb_removal_delay_length_minus1 = 23;
484 hrd->cpb_removal_delay_length_minus1 = 23;
485 hrd->dpb_output_delay_length_minus1 = 7;
486 hrd->time_offset_length = 0;
487
488 bp->seq_parameter_set_id = sps->seq_parameter_set_id;
489
490 // This calculation can easily overflow 32 bits.
491 bp->nal.initial_cpb_removal_delay[0] = 90000 *
492 (uint64_t)ctx->hrd_params.initial_buffer_fullness /
493 ctx->hrd_params.buffer_size;
494 bp->nal.initial_cpb_removal_delay_offset[0] = 0;
495 } else {
496 sps->vui.nal_hrd_parameters_present_flag = 0;
497 sps->vui.low_delay_hrd_flag = 1 - sps->vui.fixed_frame_rate_flag;
498 }
499
500 sps->vui.bitstream_restriction_flag = 1;
501 sps->vui.motion_vectors_over_pic_boundaries_flag = 1;
502 sps->vui.log2_max_mv_length_horizontal = 15;
503 sps->vui.log2_max_mv_length_vertical = 15;
504 sps->vui.max_num_reorder_frames = ctx->max_b_depth;
505 sps->vui.max_dec_frame_buffering = ctx->max_b_depth + 1;
506
507 pps->nal_unit_header.nal_ref_idc = 3;
508 pps->nal_unit_header.nal_unit_type = H264_NAL_PPS;
509
510 pps->pic_parameter_set_id = 0;
511 pps->seq_parameter_set_id = 0;
512
513 pps->entropy_coding_mode_flag =
514 !(sps->profile_idc == AV_PROFILE_H264_BASELINE ||
515 sps->profile_idc == AV_PROFILE_H264_EXTENDED ||
516 sps->profile_idc == AV_PROFILE_H264_CAVLC_444);
517 if (!priv->coder && pps->entropy_coding_mode_flag)
518 pps->entropy_coding_mode_flag = 0;
519
520 pps->num_ref_idx_l0_default_active_minus1 = 0;
521 pps->num_ref_idx_l1_default_active_minus1 = 0;
522
523 pps->pic_init_qp_minus26 = priv->fixed_qp_idr - 26;
524
525 if (sps->profile_idc == AV_PROFILE_H264_BASELINE ||
526 sps->profile_idc == AV_PROFILE_H264_EXTENDED ||
527 sps->profile_idc == AV_PROFILE_H264_MAIN) {
528 pps->more_rbsp_data = 0;
529 } else {
530 pps->more_rbsp_data = 1;
531
532 pps->transform_8x8_mode_flag = 1;
533 }
534
535 *vseq = (VAEncSequenceParameterBufferH264) {
536 .seq_parameter_set_id = sps->seq_parameter_set_id,
537 .level_idc = sps->level_idc,
538 .intra_period = ctx->gop_size,
539 .intra_idr_period = ctx->gop_size,
540 .ip_period = ctx->b_per_p + 1,
541
542 .bits_per_second = ctx->va_bit_rate,
543 .max_num_ref_frames = sps->max_num_ref_frames,
544 .picture_width_in_mbs = sps->pic_width_in_mbs_minus1 + 1,
545 .picture_height_in_mbs = sps->pic_height_in_map_units_minus1 + 1,
546
547 .seq_fields.bits = {
548 .chroma_format_idc = sps->chroma_format_idc,
549 .frame_mbs_only_flag = sps->frame_mbs_only_flag,
550 .mb_adaptive_frame_field_flag = sps->mb_adaptive_frame_field_flag,
551 .seq_scaling_matrix_present_flag = sps->seq_scaling_matrix_present_flag,
552 .direct_8x8_inference_flag = sps->direct_8x8_inference_flag,
553 .log2_max_frame_num_minus4 = sps->log2_max_frame_num_minus4,
554 .pic_order_cnt_type = sps->pic_order_cnt_type,
555 .log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_pic_order_cnt_lsb_minus4,
556 .delta_pic_order_always_zero_flag = sps->delta_pic_order_always_zero_flag,
557 },
558
559 .bit_depth_luma_minus8 = sps->bit_depth_luma_minus8,
560 .bit_depth_chroma_minus8 = sps->bit_depth_chroma_minus8,
561
562 .frame_cropping_flag = sps->frame_cropping_flag,
563 .frame_crop_left_offset = sps->frame_crop_left_offset,
564 .frame_crop_right_offset = sps->frame_crop_right_offset,
565 .frame_crop_top_offset = sps->frame_crop_top_offset,
566 .frame_crop_bottom_offset = sps->frame_crop_bottom_offset,
567
568 .vui_parameters_present_flag = sps->vui_parameters_present_flag,
569
570 .vui_fields.bits = {
571 .aspect_ratio_info_present_flag = sps->vui.aspect_ratio_info_present_flag,
572 .timing_info_present_flag = sps->vui.timing_info_present_flag,
573 .bitstream_restriction_flag = sps->vui.bitstream_restriction_flag,
574 .log2_max_mv_length_horizontal = sps->vui.log2_max_mv_length_horizontal,
575 .log2_max_mv_length_vertical = sps->vui.log2_max_mv_length_vertical,
576 },
577
578 .aspect_ratio_idc = sps->vui.aspect_ratio_idc,
579 .sar_width = sps->vui.sar_width,
580 .sar_height = sps->vui.sar_height,
581 .num_units_in_tick = sps->vui.num_units_in_tick,
582 .time_scale = sps->vui.time_scale,
583 };
584
585 *vpic = (VAEncPictureParameterBufferH264) {
586 .CurrPic = {
587 .picture_id = VA_INVALID_ID,
588 .flags = VA_PICTURE_H264_INVALID,
589 },
590
591 .coded_buf = VA_INVALID_ID,
592
593 .pic_parameter_set_id = pps->pic_parameter_set_id,
594 .seq_parameter_set_id = pps->seq_parameter_set_id,
595
596 .pic_init_qp = pps->pic_init_qp_minus26 + 26,
597 .num_ref_idx_l0_active_minus1 = pps->num_ref_idx_l0_default_active_minus1,
598 .num_ref_idx_l1_active_minus1 = pps->num_ref_idx_l1_default_active_minus1,
599
600 .chroma_qp_index_offset = pps->chroma_qp_index_offset,
601 .second_chroma_qp_index_offset = pps->second_chroma_qp_index_offset,
602
603 .pic_fields.bits = {
604 .entropy_coding_mode_flag = pps->entropy_coding_mode_flag,
605 .weighted_pred_flag = pps->weighted_pred_flag,
606 .weighted_bipred_idc = pps->weighted_bipred_idc,
607 .constrained_intra_pred_flag = pps->constrained_intra_pred_flag,
608 .transform_8x8_mode_flag = pps->transform_8x8_mode_flag,
609 .deblocking_filter_control_present_flag =
610 pps->deblocking_filter_control_present_flag,
611 .redundant_pic_cnt_present_flag = pps->redundant_pic_cnt_present_flag,
612 .pic_order_present_flag =
613 pps->bottom_field_pic_order_in_frame_present_flag,
614 .pic_scaling_matrix_present_flag = pps->pic_scaling_matrix_present_flag,
615 },
616 };
617
618 return 0;
619 }
620
621 static int vaapi_encode_h264_init_picture_params(AVCodecContext *avctx,
622 VAAPIEncodePicture *pic)
623 {
624 VAAPIEncodeContext *ctx = avctx->priv_data;
625 VAAPIEncodeH264Context *priv = avctx->priv_data;
626 VAAPIEncodeH264Picture *hpic = pic->priv_data;
627 VAAPIEncodePicture *prev = pic->prev;
628 VAAPIEncodeH264Picture *hprev = prev ? prev->priv_data : NULL;
629 VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
630 int i, j = 0;
631
632 if (pic->type == PICTURE_TYPE_IDR) {
633 av_assert0(pic->display_order == pic->encode_order);
634
635 hpic->frame_num = 0;
636 hpic->last_idr_frame = pic->display_order;
637 hpic->idr_pic_id = hprev ? hprev->idr_pic_id + 1 : 0;
638
639 hpic->primary_pic_type = 0;
640 hpic->slice_type = 7;
641 } else {
642 av_assert0(prev);
643
644 hpic->frame_num = hprev->frame_num + prev->is_reference;
645
646 hpic->last_idr_frame = hprev->last_idr_frame;
647 hpic->idr_pic_id = hprev->idr_pic_id;
648
649 if (pic->type == PICTURE_TYPE_I) {
650 hpic->slice_type = 7;
651 hpic->primary_pic_type = 0;
652 } else if (pic->type == PICTURE_TYPE_P) {
653 hpic->slice_type = 5;
654 hpic->primary_pic_type = 1;
655 } else {
656 hpic->slice_type = 6;
657 hpic->primary_pic_type = 2;
658 }
659 }
660 hpic->pic_order_cnt = pic->display_order - hpic->last_idr_frame;
661 if (priv->raw_sps.pic_order_cnt_type == 2) {
662 hpic->pic_order_cnt *= 2;
663 }
664
665 hpic->dpb_delay = pic->display_order - pic->encode_order + ctx->max_b_depth;
666 hpic->cpb_delay = pic->encode_order - hpic->last_idr_frame;
667
668 if (priv->aud) {
669 priv->aud_needed = 1;
670 priv->raw_aud = (H264RawAUD) {
671 .nal_unit_header = {
672 .nal_unit_type = H264_NAL_AUD,
673 },
674 .primary_pic_type = hpic->primary_pic_type,
675 };
676 } else {
677 priv->aud_needed = 0;
678 }
679
680 priv->sei_needed = 0;
681
682 if (priv->sei & SEI_IDENTIFIER && pic->encode_order == 0)
683 priv->sei_needed |= SEI_IDENTIFIER;
684 #if !CONFIG_VAAPI_1
685 if (ctx->va_rc_mode == VA_RC_CBR)
686 priv->sei_cbr_workaround_needed = 1;
687 #endif
688
689 if (priv->sei & SEI_TIMING) {
690 priv->sei_pic_timing = (H264RawSEIPicTiming) {
691 .cpb_removal_delay = 2 * hpic->cpb_delay,
692 .dpb_output_delay = 2 * hpic->dpb_delay,
693 };
694
695 priv->sei_needed |= SEI_TIMING;
696 }
697
698 if (priv->sei & SEI_RECOVERY_POINT && pic->type == PICTURE_TYPE_I) {
699 priv->sei_recovery_point = (H264RawSEIRecoveryPoint) {
700 .recovery_frame_cnt = 0,
701 .exact_match_flag = 1,
702 .broken_link_flag = ctx->b_per_p > 0,
703 };
704
705 priv->sei_needed |= SEI_RECOVERY_POINT;
706 }
707
708 if (priv->sei & SEI_A53_CC) {
709 int err;
710 size_t sei_a53cc_len;
711 av_freep(&priv->sei_a53cc_data);
712 err = ff_alloc_a53_sei(pic->input_image, 0, &priv->sei_a53cc_data, &sei_a53cc_len);
713 if (err < 0)
714 return err;
715 if (priv->sei_a53cc_data != NULL) {
716 priv->sei_a53cc.itu_t_t35_country_code = 181;
717 priv->sei_a53cc.data = (uint8_t *)priv->sei_a53cc_data + 1;
718 priv->sei_a53cc.data_length = sei_a53cc_len - 1;
719
720 priv->sei_needed |= SEI_A53_CC;
721 }
722 }
723
724 vpic->CurrPic = (VAPictureH264) {
725 .picture_id = pic->recon_surface,
726 .frame_idx = hpic->frame_num,
727 .flags = 0,
728 .TopFieldOrderCnt = hpic->pic_order_cnt,
729 .BottomFieldOrderCnt = hpic->pic_order_cnt,
730 };
731 for (int k = 0; k < MAX_REFERENCE_LIST_NUM; k++) {
732 for (i = 0; i < pic->nb_refs[k]; i++) {
733 VAAPIEncodePicture *ref = pic->refs[k][i];
734 VAAPIEncodeH264Picture *href;
735
736 av_assert0(ref && ref->encode_order < pic->encode_order);
737 href = ref->priv_data;
738
739 vpic->ReferenceFrames[j++] = (VAPictureH264) {
740 .picture_id = ref->recon_surface,
741 .frame_idx = href->frame_num,
742 .flags = VA_PICTURE_H264_SHORT_TERM_REFERENCE,
743 .TopFieldOrderCnt = href->pic_order_cnt,
744 .BottomFieldOrderCnt = href->pic_order_cnt,
745 };
746 }
747 }
748
749 for (; j < FF_ARRAY_ELEMS(vpic->ReferenceFrames); j++) {
750 vpic->ReferenceFrames[j] = (VAPictureH264) {
751 .picture_id = VA_INVALID_ID,
752 .flags = VA_PICTURE_H264_INVALID,
753 };
754 }
755
756 vpic->coded_buf = pic->output_buffer;
757
758 vpic->frame_num = hpic->frame_num;
759
760 vpic->pic_fields.bits.idr_pic_flag = (pic->type == PICTURE_TYPE_IDR);
761 vpic->pic_fields.bits.reference_pic_flag = pic->is_reference;
762
763 return 0;
764 }
765
766 static void vaapi_encode_h264_default_ref_pic_list(AVCodecContext *avctx,
767 VAAPIEncodePicture *pic,
768 VAAPIEncodePicture **rpl0,
769 VAAPIEncodePicture **rpl1,
770 int *rpl_size)
771 {
772 VAAPIEncodePicture *prev;
773 VAAPIEncodeH264Picture *hp, *hn, *hc;
774 int i, j, n = 0;
775
776 prev = pic->prev;
777 av_assert0(prev);
778 hp = pic->priv_data;
779
780 for (i = 0; i < pic->prev->nb_dpb_pics; i++) {
781 hn = prev->dpb[i]->priv_data;
782 av_assert0(hn->frame_num < hp->frame_num);
783
784 if (pic->type == PICTURE_TYPE_P) {
785 for (j = n; j > 0; j--) {
786 hc = rpl0[j - 1]->priv_data;
787 av_assert0(hc->frame_num != hn->frame_num);
788 if (hc->frame_num > hn->frame_num)
789 break;
790 rpl0[j] = rpl0[j - 1];
791 }
792 rpl0[j] = prev->dpb[i];
793
794 } else if (pic->type == PICTURE_TYPE_B) {
795 for (j = n; j > 0; j--) {
796 hc = rpl0[j - 1]->priv_data;
797 av_assert0(hc->pic_order_cnt != hp->pic_order_cnt);
798 if (hc->pic_order_cnt < hp->pic_order_cnt) {
799 if (hn->pic_order_cnt > hp->pic_order_cnt ||
800 hn->pic_order_cnt < hc->pic_order_cnt)
801 break;
802 } else {
803 if (hn->pic_order_cnt > hc->pic_order_cnt)
804 break;
805 }
806 rpl0[j] = rpl0[j - 1];
807 }
808 rpl0[j] = prev->dpb[i];
809
810 for (j = n; j > 0; j--) {
811 hc = rpl1[j - 1]->priv_data;
812 av_assert0(hc->pic_order_cnt != hp->pic_order_cnt);
813 if (hc->pic_order_cnt > hp->pic_order_cnt) {
814 if (hn->pic_order_cnt < hp->pic_order_cnt ||
815 hn->pic_order_cnt > hc->pic_order_cnt)
816 break;
817 } else {
818 if (hn->pic_order_cnt < hc->pic_order_cnt)
819 break;
820 }
821 rpl1[j] = rpl1[j - 1];
822 }
823 rpl1[j] = prev->dpb[i];
824 }
825
826 ++n;
827 }
828
829 if (pic->type == PICTURE_TYPE_B) {
830 for (i = 0; i < n; i++) {
831 if (rpl0[i] != rpl1[i])
832 break;
833 }
834 if (i == n)
835 FFSWAP(VAAPIEncodePicture*, rpl1[0], rpl1[1]);
836 }
837
838 if (pic->type == PICTURE_TYPE_P ||
839 pic->type == PICTURE_TYPE_B) {
840 av_log(avctx, AV_LOG_DEBUG, "Default RefPicList0 for fn=%d/poc=%d:",
841 hp->frame_num, hp->pic_order_cnt);
842 for (i = 0; i < n; i++) {
843 hn = rpl0[i]->priv_data;
844 av_log(avctx, AV_LOG_DEBUG, " fn=%d/poc=%d",
845 hn->frame_num, hn->pic_order_cnt);
846 }
847 av_log(avctx, AV_LOG_DEBUG, "\n");
848 }
849 if (pic->type == PICTURE_TYPE_B) {
850 av_log(avctx, AV_LOG_DEBUG, "Default RefPicList1 for fn=%d/poc=%d:",
851 hp->frame_num, hp->pic_order_cnt);
852 for (i = 0; i < n; i++) {
853 hn = rpl1[i]->priv_data;
854 av_log(avctx, AV_LOG_DEBUG, " fn=%d/poc=%d",
855 hn->frame_num, hn->pic_order_cnt);
856 }
857 av_log(avctx, AV_LOG_DEBUG, "\n");
858 }
859
860 *rpl_size = n;
861 }
862
863 static int vaapi_encode_h264_init_slice_params(AVCodecContext *avctx,
864 VAAPIEncodePicture *pic,
865 VAAPIEncodeSlice *slice)
866 {
867 VAAPIEncodeH264Context *priv = avctx->priv_data;
868 VAAPIEncodeH264Picture *hpic = pic->priv_data;
869 VAAPIEncodePicture *prev = pic->prev;
870 H264RawSPS *sps = &priv->raw_sps;
871 H264RawPPS *pps = &priv->raw_pps;
872 H264RawSliceHeader *sh = &priv->raw_slice.header;
873 VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
874 VAEncSliceParameterBufferH264 *vslice = slice->codec_slice_params;
875 int i, j;
876
877 if (pic->type == PICTURE_TYPE_IDR) {
878 sh->nal_unit_header.nal_unit_type = H264_NAL_IDR_SLICE;
879 sh->nal_unit_header.nal_ref_idc = 3;
880 } else {
881 sh->nal_unit_header.nal_unit_type = H264_NAL_SLICE;
882 sh->nal_unit_header.nal_ref_idc = pic->is_reference;
883 }
884
885 sh->first_mb_in_slice = slice->block_start;
886 sh->slice_type = hpic->slice_type;
887
888 sh->pic_parameter_set_id = pps->pic_parameter_set_id;
889
890 sh->frame_num = hpic->frame_num &
891 ((1 << (4 + sps->log2_max_frame_num_minus4)) - 1);
892 sh->idr_pic_id = hpic->idr_pic_id;
893 sh->pic_order_cnt_lsb = hpic->pic_order_cnt &
894 ((1 << (4 + sps->log2_max_pic_order_cnt_lsb_minus4)) - 1);
895
896 sh->direct_spatial_mv_pred_flag = 1;
897
898 if (pic->type == PICTURE_TYPE_B)
899 sh->slice_qp_delta = priv->fixed_qp_b - (pps->pic_init_qp_minus26 + 26);
900 else if (pic->type == PICTURE_TYPE_P)
901 sh->slice_qp_delta = priv->fixed_qp_p - (pps->pic_init_qp_minus26 + 26);
902 else
903 sh->slice_qp_delta = priv->fixed_qp_idr - (pps->pic_init_qp_minus26 + 26);
904
905 if (pic->is_reference && pic->type != PICTURE_TYPE_IDR) {
906 VAAPIEncodePicture *discard_list[MAX_DPB_SIZE];
907 int discard = 0, keep = 0;
908
909 // Discard everything which is in the DPB of the previous frame but
910 // not in the DPB of this one.
911 for (i = 0; i < prev->nb_dpb_pics; i++) {
912 for (j = 0; j < pic->nb_dpb_pics; j++) {
913 if (prev->dpb[i] == pic->dpb[j])
914 break;
915 }
916 if (j == pic->nb_dpb_pics) {
917 discard_list[discard] = prev->dpb[i];
918 ++discard;
919 } else {
920 ++keep;
921 }
922 }
923 av_assert0(keep <= priv->dpb_frames);
924
925 if (discard == 0) {
926 sh->adaptive_ref_pic_marking_mode_flag = 0;
927 } else {
928 sh->adaptive_ref_pic_marking_mode_flag = 1;
929 for (i = 0; i < discard; i++) {
930 VAAPIEncodeH264Picture *old = discard_list[i]->priv_data;
931 av_assert0(old->frame_num < hpic->frame_num);
932 sh->mmco[i].memory_management_control_operation = 1;
933 sh->mmco[i].difference_of_pic_nums_minus1 =
934 hpic->frame_num - old->frame_num - 1;
935 }
936 sh->mmco[i].memory_management_control_operation = 0;
937 }
938 }
939
940 // If the intended references are not the first entries of RefPicListN
941 // by default, use ref-pic-list-modification to move them there.
942 if (pic->type == PICTURE_TYPE_P || pic->type == PICTURE_TYPE_B) {
943 VAAPIEncodePicture *def_l0[MAX_DPB_SIZE], *def_l1[MAX_DPB_SIZE];
944 VAAPIEncodeH264Picture *href;
945 int n;
946
947 vaapi_encode_h264_default_ref_pic_list(avctx, pic,
948 def_l0, def_l1, &n);
949
950 if (pic->type == PICTURE_TYPE_P) {
951 int need_rplm = 0;
952 for (i = 0; i < pic->nb_refs[0]; i++) {
953 av_assert0(pic->refs[0][i]);
954 if (pic->refs[0][i] != def_l0[i])
955 need_rplm = 1;
956 }
957
958 sh->ref_pic_list_modification_flag_l0 = need_rplm;
959 if (need_rplm) {
960 int pic_num = hpic->frame_num;
961 for (i = 0; i < pic->nb_refs[0]; i++) {
962 href = pic->refs[0][i]->priv_data;
963 av_assert0(href->frame_num != pic_num);
964 if (href->frame_num < pic_num) {
965 sh->rplm_l0[i].modification_of_pic_nums_idc = 0;
966 sh->rplm_l0[i].abs_diff_pic_num_minus1 =
967 pic_num - href->frame_num - 1;
968 } else {
969 sh->rplm_l0[i].modification_of_pic_nums_idc = 1;
970 sh->rplm_l0[i].abs_diff_pic_num_minus1 =
971 href->frame_num - pic_num - 1;
972 }
973 pic_num = href->frame_num;
974 }
975 sh->rplm_l0[i].modification_of_pic_nums_idc = 3;
976 }
977
978 } else {
979 int need_rplm_l0 = 0, need_rplm_l1 = 0;
980 int n0 = 0, n1 = 0;
981 for (i = 0; i < pic->nb_refs[0]; i++) {
982 av_assert0(pic->refs[0][i]);
983 href = pic->refs[0][i]->priv_data;
984 av_assert0(href->pic_order_cnt < hpic->pic_order_cnt);
985 if (pic->refs[0][i] != def_l0[n0])
986 need_rplm_l0 = 1;
987 ++n0;
988 }
989
990 for (i = 0; i < pic->nb_refs[1]; i++) {
991 av_assert0(pic->refs[1][i]);
992 href = pic->refs[1][i]->priv_data;
993 av_assert0(href->pic_order_cnt > hpic->pic_order_cnt);
994 if (pic->refs[1][i] != def_l1[n1])
995 need_rplm_l1 = 1;
996 ++n1;
997 }
998
999 sh->ref_pic_list_modification_flag_l0 = need_rplm_l0;
1000 if (need_rplm_l0) {
1001 int pic_num = hpic->frame_num;
1002 for (i = j = 0; i < pic->nb_refs[0]; i++) {
1003 href = pic->refs[0][i]->priv_data;
1004 av_assert0(href->frame_num != pic_num);
1005 if (href->frame_num < pic_num) {
1006 sh->rplm_l0[j].modification_of_pic_nums_idc = 0;
1007 sh->rplm_l0[j].abs_diff_pic_num_minus1 =
1008 pic_num - href->frame_num - 1;
1009 } else {
1010 sh->rplm_l0[j].modification_of_pic_nums_idc = 1;
1011 sh->rplm_l0[j].abs_diff_pic_num_minus1 =
1012 href->frame_num - pic_num - 1;
1013 }
1014 pic_num = href->frame_num;
1015 ++j;
1016 }
1017 av_assert0(j == n0);
1018 sh->rplm_l0[j].modification_of_pic_nums_idc = 3;
1019 }
1020
1021 sh->ref_pic_list_modification_flag_l1 = need_rplm_l1;
1022 if (need_rplm_l1) {
1023 int pic_num = hpic->frame_num;
1024 for (i = j = 0; i < pic->nb_refs[1]; i++) {
1025 href = pic->refs[1][i]->priv_data;
1026 av_assert0(href->frame_num != pic_num);
1027 if (href->frame_num < pic_num) {
1028 sh->rplm_l1[j].modification_of_pic_nums_idc = 0;
1029 sh->rplm_l1[j].abs_diff_pic_num_minus1 =
1030 pic_num - href->frame_num - 1;
1031 } else {
1032 sh->rplm_l1[j].modification_of_pic_nums_idc = 1;
1033 sh->rplm_l1[j].abs_diff_pic_num_minus1 =
1034 href->frame_num - pic_num - 1;
1035 }
1036 pic_num = href->frame_num;
1037 ++j;
1038 }
1039 av_assert0(j == n1);
1040 sh->rplm_l1[j].modification_of_pic_nums_idc = 3;
1041 }
1042 }
1043 }
1044
1045 vslice->macroblock_address = slice->block_start;
1046 vslice->num_macroblocks = slice->block_size;
1047
1048 vslice->macroblock_info = VA_INVALID_ID;
1049
1050 vslice->slice_type = sh->slice_type % 5;
1051 vslice->pic_parameter_set_id = sh->pic_parameter_set_id;
1052 vslice->idr_pic_id = sh->idr_pic_id;
1053
1054 vslice->pic_order_cnt_lsb = sh->pic_order_cnt_lsb;
1055
1056 vslice->direct_spatial_mv_pred_flag = sh->direct_spatial_mv_pred_flag;
1057
1058 for (i = 0; i < FF_ARRAY_ELEMS(vslice->RefPicList0); i++) {
1059 vslice->RefPicList0[i].picture_id = VA_INVALID_ID;
1060 vslice->RefPicList0[i].flags = VA_PICTURE_H264_INVALID;
1061 vslice->RefPicList1[i].picture_id = VA_INVALID_ID;
1062 vslice->RefPicList1[i].flags = VA_PICTURE_H264_INVALID;
1063 }
1064
1065 if (pic->nb_refs[0]) {
1066 // Backward reference for P- or B-frame.
1067 av_assert0(pic->type == PICTURE_TYPE_P ||
1068 pic->type == PICTURE_TYPE_B);
1069 vslice->RefPicList0[0] = vpic->ReferenceFrames[0];
1070 }
1071 if (pic->nb_refs[1]) {
1072 // Forward reference for B-frame.
1073 av_assert0(pic->type == PICTURE_TYPE_B);
1074 vslice->RefPicList1[0] = vpic->ReferenceFrames[1];
1075 }
1076
1077 vslice->slice_qp_delta = sh->slice_qp_delta;
1078
1079 return 0;
1080 }
1081
1082 static av_cold int vaapi_encode_h264_configure(AVCodecContext *avctx)
1083 {
1084 VAAPIEncodeContext *ctx = avctx->priv_data;
1085 VAAPIEncodeH264Context *priv = avctx->priv_data;
1086 int err;
1087
1088 err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_H264, avctx);
1089 if (err < 0)
1090 return err;
1091
1092 priv->mb_width = FFALIGN(avctx->width, 16) / 16;
1093 priv->mb_height = FFALIGN(avctx->height, 16) / 16;
1094
1095 if (ctx->va_rc_mode == VA_RC_CQP) {
1096 priv->fixed_qp_p = av_clip(ctx->rc_quality, 1, 51);
1097 if (avctx->i_quant_factor > 0.0)
1098 priv->fixed_qp_idr =
1099 av_clip((avctx->i_quant_factor * priv->fixed_qp_p +
1100 avctx->i_quant_offset) + 0.5, 1, 51);
1101 else
1102 priv->fixed_qp_idr = priv->fixed_qp_p;
1103 if (avctx->b_quant_factor > 0.0)
1104 priv->fixed_qp_b =
1105 av_clip((avctx->b_quant_factor * priv->fixed_qp_p +
1106 avctx->b_quant_offset) + 0.5, 1, 51);
1107 else
1108 priv->fixed_qp_b = priv->fixed_qp_p;
1109
1110 av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "
1111 "%d / %d / %d for IDR- / P- / B-frames.\n",
1112 priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
1113
1114 } else {
1115 // These still need to be set for pic_init_qp/slice_qp_delta.
1116 priv->fixed_qp_idr = 26;
1117 priv->fixed_qp_p = 26;
1118 priv->fixed_qp_b = 26;
1119 }
1120
1121 if (!ctx->rc_mode->hrd) {
1122 // Timing SEI requires a mode respecting HRD parameters.
1123 priv->sei &= ~SEI_TIMING;
1124 }
1125
1126 if (priv->sei & SEI_IDENTIFIER) {
1127 const char *lavc = LIBAVCODEC_IDENT;
1128 const char *vaapi = VA_VERSION_S;
1129 const char *driver;
1130 int len;
1131
1132 memcpy(priv->sei_identifier.uuid_iso_iec_11578,
1133 vaapi_encode_h264_sei_identifier_uuid,
1134 sizeof(priv->sei_identifier.uuid_iso_iec_11578));
1135
1136 driver = vaQueryVendorString(ctx->hwctx->display);
1137 if (!driver)
1138 driver = "unknown driver";
1139
1140 len = snprintf(NULL, 0, "%s / VAAPI %s / %s", lavc, vaapi, driver);
1141 if (len >= 0) {
1142 priv->sei_identifier_string = av_malloc(len + 1);
1143 if (!priv->sei_identifier_string)
1144 return AVERROR(ENOMEM);
1145
1146 snprintf(priv->sei_identifier_string, len + 1,
1147 "%s / VAAPI %s / %s", lavc, vaapi, driver);
1148
1149 priv->sei_identifier.data = priv->sei_identifier_string;
1150 priv->sei_identifier.data_length = len + 1;
1151 }
1152 }
1153
1154 ctx->roi_quant_range = 51 + 6 * (ctx->profile->depth - 8);
1155
1156 return 0;
1157 }
1158
1159 static const VAAPIEncodeProfile vaapi_encode_h264_profiles[] = {
1160 #if VA_CHECK_VERSION(1, 18, 0)
1161 { AV_PROFILE_H264_HIGH_10, 10, 3, 1, 1, VAProfileH264High10 },
1162 #endif
1163 { AV_PROFILE_H264_HIGH, 8, 3, 1, 1, VAProfileH264High },
1164 { AV_PROFILE_H264_MAIN, 8, 3, 1, 1, VAProfileH264Main },
1165 { AV_PROFILE_H264_CONSTRAINED_BASELINE,
1166 8, 3, 1, 1, VAProfileH264ConstrainedBaseline },
1167 { AV_PROFILE_UNKNOWN }
1168 };
1169
1170 static const VAAPIEncodeType vaapi_encode_type_h264 = {
1171 .profiles = vaapi_encode_h264_profiles,
1172
1173 .flags = FLAG_SLICE_CONTROL |
1174 FLAG_B_PICTURES |
1175 FLAG_B_PICTURE_REFERENCES |
1176 FLAG_NON_IDR_KEY_PICTURES,
1177
1178 .default_quality = 20,
1179
1180 .configure = &vaapi_encode_h264_configure,
1181
1182 .picture_priv_data_size = sizeof(VAAPIEncodeH264Picture),
1183
1184 .sequence_params_size = sizeof(VAEncSequenceParameterBufferH264),
1185 .init_sequence_params = &vaapi_encode_h264_init_sequence_params,
1186
1187 .picture_params_size = sizeof(VAEncPictureParameterBufferH264),
1188 .init_picture_params = &vaapi_encode_h264_init_picture_params,
1189
1190 .slice_params_size = sizeof(VAEncSliceParameterBufferH264),
1191 .init_slice_params = &vaapi_encode_h264_init_slice_params,
1192
1193 .sequence_header_type = VAEncPackedHeaderSequence,
1194 .write_sequence_header = &vaapi_encode_h264_write_sequence_header,
1195
1196 .slice_header_type = VAEncPackedHeaderH264_Slice,
1197 .write_slice_header = &vaapi_encode_h264_write_slice_header,
1198
1199 .write_extra_header = &vaapi_encode_h264_write_extra_header,
1200 };
1201
1202 static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx)
1203 {
1204 VAAPIEncodeContext *ctx = avctx->priv_data;
1205 VAAPIEncodeH264Context *priv = avctx->priv_data;
1206
1207 ctx->codec = &vaapi_encode_type_h264;
1208
1209 if (avctx->profile == AV_PROFILE_UNKNOWN)
1210 avctx->profile = priv->profile;
1211 if (avctx->level == AV_LEVEL_UNKNOWN)
1212 avctx->level = priv->level;
1213 if (avctx->compression_level == FF_COMPRESSION_DEFAULT)
1214 avctx->compression_level = priv->quality;
1215
1216 // Reject unsupported profiles.
1217 switch (avctx->profile) {
1218 case AV_PROFILE_H264_BASELINE:
1219 av_log(avctx, AV_LOG_WARNING, "H.264 baseline profile is not "
1220 "supported, using constrained baseline profile instead.\n");
1221 avctx->profile = AV_PROFILE_H264_CONSTRAINED_BASELINE;
1222 break;
1223 case AV_PROFILE_H264_EXTENDED:
1224 av_log(avctx, AV_LOG_ERROR, "H.264 extended profile "
1225 "is not supported.\n");
1226 return AVERROR_PATCHWELCOME;
1227 case AV_PROFILE_H264_HIGH_10_INTRA:
1228 av_log(avctx, AV_LOG_ERROR, "H.264 high 10 intra profile "
1229 "is not supported.\n");
1230 return AVERROR_PATCHWELCOME;
1231 case AV_PROFILE_H264_HIGH_422:
1232 case AV_PROFILE_H264_HIGH_422_INTRA:
1233 case AV_PROFILE_H264_HIGH_444:
1234 case AV_PROFILE_H264_HIGH_444_PREDICTIVE:
1235 case AV_PROFILE_H264_HIGH_444_INTRA:
1236 case AV_PROFILE_H264_CAVLC_444:
1237 av_log(avctx, AV_LOG_ERROR, "H.264 non-4:2:0 profiles "
1238 "are not supported.\n");
1239 return AVERROR_PATCHWELCOME;
1240 }
1241
1242 if (avctx->level != AV_LEVEL_UNKNOWN && avctx->level & ~0xff) {
1243 av_log(avctx, AV_LOG_ERROR, "Invalid level %d: must fit "
1244 "in 8-bit unsigned integer.\n", avctx->level);
1245 return AVERROR(EINVAL);
1246 }
1247
1248 ctx->desired_packed_headers =
1249 VA_ENC_PACKED_HEADER_SEQUENCE | // SPS and PPS.
1250 VA_ENC_PACKED_HEADER_SLICE | // Slice headers.
1251 VA_ENC_PACKED_HEADER_MISC; // SEI.
1252
1253 ctx->surface_width = FFALIGN(avctx->width, 16);
1254 ctx->surface_height = FFALIGN(avctx->height, 16);
1255
1256 ctx->slice_block_height = ctx->slice_block_width = 16;
1257
1258 if (priv->qp > 0)
1259 ctx->explicit_qp = priv->qp;
1260
1261 return ff_vaapi_encode_init(avctx);
1262 }
1263
1264 static av_cold int vaapi_encode_h264_close(AVCodecContext *avctx)
1265 {
1266 VAAPIEncodeH264Context *priv = avctx->priv_data;
1267
1268 ff_cbs_fragment_free(&priv->current_access_unit);
1269 ff_cbs_close(&priv->cbc);
1270 av_freep(&priv->sei_identifier_string);
1271 av_freep(&priv->sei_a53cc_data);
1272
1273 return ff_vaapi_encode_close(avctx);
1274 }
1275
1276 #define OFFSET(x) offsetof(VAAPIEncodeH264Context, x)
1277 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
1278 static const AVOption vaapi_encode_h264_options[] = {
1279 VAAPI_ENCODE_COMMON_OPTIONS,
1280 VAAPI_ENCODE_RC_OPTIONS,
1281
1282 { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
1283 OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 52, FLAGS },
1284 { "quality", "Set encode quality (trades off against speed, higher is faster)",
1285 OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
1286 { "coder", "Entropy coder type",
1287 OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, FLAGS, .unit = "coder" },
1288 { "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, FLAGS, .unit = "coder" },
1289 { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, FLAGS, .unit = "coder" },
1290 { "vlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, FLAGS, .unit = "coder" },
1291 { "ac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, FLAGS, .unit = "coder" },
1292
1293 { "aud", "Include AUD",
1294 OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
1295
1296 { "sei", "Set SEI to include",
1297 OFFSET(sei), AV_OPT_TYPE_FLAGS,
1298 { .i64 = SEI_IDENTIFIER | SEI_TIMING | SEI_RECOVERY_POINT | SEI_A53_CC },
1299 0, INT_MAX, FLAGS, .unit = "sei" },
1300 { "identifier", "Include encoder version identifier",
1301 0, AV_OPT_TYPE_CONST, { .i64 = SEI_IDENTIFIER },
1302 INT_MIN, INT_MAX, FLAGS, .unit = "sei" },
1303 { "timing", "Include timing parameters (buffering_period and pic_timing)",
1304 0, AV_OPT_TYPE_CONST, { .i64 = SEI_TIMING },
1305 INT_MIN, INT_MAX, FLAGS, .unit = "sei" },
1306 { "recovery_point", "Include recovery points where appropriate",
1307 0, AV_OPT_TYPE_CONST, { .i64 = SEI_RECOVERY_POINT },
1308 INT_MIN, INT_MAX, FLAGS, .unit = "sei" },
1309 { "a53_cc", "Include A/53 caption data",
1310 0, AV_OPT_TYPE_CONST, { .i64 = SEI_A53_CC },
1311 INT_MIN, INT_MAX, FLAGS, .unit = "sei" },
1312
1313 { "profile", "Set profile (profile_idc and constraint_set*_flag)",
1314 OFFSET(profile), AV_OPT_TYPE_INT,
1315 { .i64 = AV_PROFILE_UNKNOWN }, AV_PROFILE_UNKNOWN, 0xffff, FLAGS, .unit = "profile" },
1316
1317 #define PROFILE(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
1318 { .i64 = value }, 0, 0, FLAGS, .unit = "profile"
1319 { PROFILE("constrained_baseline", AV_PROFILE_H264_CONSTRAINED_BASELINE) },
1320 { PROFILE("main", AV_PROFILE_H264_MAIN) },
1321 { PROFILE("high", AV_PROFILE_H264_HIGH) },
1322 { PROFILE("high10", AV_PROFILE_H264_HIGH_10) },
1323 #undef PROFILE
1324
1325 { "level", "Set level (level_idc)",
1326 OFFSET(level), AV_OPT_TYPE_INT,
1327 { .i64 = AV_LEVEL_UNKNOWN }, AV_LEVEL_UNKNOWN, 0xff, FLAGS, .unit = "level" },
1328
1329 #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
1330 { .i64 = value }, 0, 0, FLAGS, .unit = "level"
1331 { LEVEL("1", 10) },
1332 { LEVEL("1.1", 11) },
1333 { LEVEL("1.2", 12) },
1334 { LEVEL("1.3", 13) },
1335 { LEVEL("2", 20) },
1336 { LEVEL("2.1", 21) },
1337 { LEVEL("2.2", 22) },
1338 { LEVEL("3", 30) },
1339 { LEVEL("3.1", 31) },
1340 { LEVEL("3.2", 32) },
1341 { LEVEL("4", 40) },
1342 { LEVEL("4.1", 41) },
1343 { LEVEL("4.2", 42) },
1344 { LEVEL("5", 50) },
1345 { LEVEL("5.1", 51) },
1346 { LEVEL("5.2", 52) },
1347 { LEVEL("6", 60) },
1348 { LEVEL("6.1", 61) },
1349 { LEVEL("6.2", 62) },
1350 #undef LEVEL
1351
1352 { NULL },
1353 };
1354
1355 static const FFCodecDefault vaapi_encode_h264_defaults[] = {
1356 { "b", "0" },
1357 { "bf", "2" },
1358 { "g", "120" },
1359 { "i_qfactor", "1" },
1360 { "i_qoffset", "0" },
1361 { "b_qfactor", "6/5" },
1362 { "b_qoffset", "0" },
1363 { "qmin", "-1" },
1364 { "qmax", "-1" },
1365 { NULL },
1366 };
1367
1368 static const AVClass vaapi_encode_h264_class = {
1369 .class_name = "h264_vaapi",
1370 .item_name = av_default_item_name,
1371 .option = vaapi_encode_h264_options,
1372 .version = LIBAVUTIL_VERSION_INT,
1373 };
1374
1375 const FFCodec ff_h264_vaapi_encoder = {
1376 .p.name = "h264_vaapi",
1377 CODEC_LONG_NAME("H.264/AVC (VAAPI)"),
1378 .p.type = AVMEDIA_TYPE_VIDEO,
1379 .p.id = AV_CODEC_ID_H264,
1380 .priv_data_size = sizeof(VAAPIEncodeH264Context),
1381 .init = &vaapi_encode_h264_init,
1382 FF_CODEC_RECEIVE_PACKET_CB(&ff_vaapi_encode_receive_packet),
1383 .close = &vaapi_encode_h264_close,
1384 .p.priv_class = &vaapi_encode_h264_class,
1385 .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
1386 AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
1387 .caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
1388 FF_CODEC_CAP_INIT_CLEANUP,
1389 .defaults = vaapi_encode_h264_defaults,
1390 .p.pix_fmts = (const enum AVPixelFormat[]) {
1391 AV_PIX_FMT_VAAPI,
1392 AV_PIX_FMT_NONE,
1393 },
1394 .hw_configs = ff_vaapi_encode_hw_configs,
1395 .p.wrapper_name = "vaapi",
1396 };
1397