2 * This file is part of FFmpeg.
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.
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.
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
22 #include <va/va_enc_h264.h>
24 #include "libavutil/avassert.h"
25 #include "libavutil/common.h"
26 #include "libavutil/internal.h"
27 #include "libavutil/opt.h"
33 #include "h264_levels.h"
36 #include "vaapi_encode.h"
40 SEI_IDENTIFIER = 0x02,
41 SEI_RECOVERY_POINT = 0x04,
44 // Random (version 4) ISO 11578 UUID.
45 static const uint8_t vaapi_encode_h264_sei_identifier_uuid[16] = {
46 0x59, 0x94, 0x8b, 0x28, 0x11, 0xec, 0x45, 0xaf,
47 0x96, 0x75, 0x19, 0xd4, 0x1f, 0xea, 0xa9, 0x4d,
50 typedef struct VAAPIEncodeH264Picture {
54 int64_t last_idr_frame;
62 } VAAPIEncodeH264Picture;
64 typedef struct VAAPIEncodeH264Context {
65 VAAPIEncodeContext common;
87 CodedBitstreamContext *cbc;
88 CodedBitstreamFragment current_access_unit;
94 H264RawSlice raw_slice;
96 H264RawSEIBufferingPeriod sei_buffering_period;
97 H264RawSEIPicTiming sei_pic_timing;
98 H264RawSEIRecoveryPoint sei_recovery_point;
99 H264RawSEIUserDataUnregistered sei_identifier;
100 char *sei_identifier_string;
104 int sei_cbr_workaround_needed;
105 } VAAPIEncodeH264Context;
108 static int vaapi_encode_h264_write_access_unit(AVCodecContext *avctx,
109 char *data, size_t *data_len,
110 CodedBitstreamFragment *au)
112 VAAPIEncodeH264Context *priv = avctx->priv_data;
115 err = ff_cbs_write_fragment_data(priv->cbc, au);
117 av_log(avctx, AV_LOG_ERROR, "Failed to write packed header.\n");
121 if (*data_len < 8 * au->data_size - au->data_bit_padding) {
122 av_log(avctx, AV_LOG_ERROR, "Access unit too large: "
123 "%zu < %zu.\n", *data_len,
124 8 * au->data_size - au->data_bit_padding);
125 return AVERROR(ENOSPC);
128 memcpy(data, au->data, au->data_size);
129 *data_len = 8 * au->data_size - au->data_bit_padding;
134 static int vaapi_encode_h264_add_nal(AVCodecContext *avctx,
135 CodedBitstreamFragment *au,
138 VAAPIEncodeH264Context *priv = avctx->priv_data;
139 H264RawNALUnitHeader *header = nal_unit;
142 err = ff_cbs_insert_unit_content(priv->cbc, au, -1,
143 header->nal_unit_type, nal_unit, NULL);
145 av_log(avctx, AV_LOG_ERROR, "Failed to add NAL unit: "
146 "type = %d.\n", header->nal_unit_type);
153 static int vaapi_encode_h264_write_sequence_header(AVCodecContext *avctx,
154 char *data, size_t *data_len)
156 VAAPIEncodeH264Context *priv = avctx->priv_data;
157 CodedBitstreamFragment *au = &priv->current_access_unit;
160 if (priv->aud_needed) {
161 err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_aud);
164 priv->aud_needed = 0;
167 err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_sps);
171 err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_pps);
175 err = vaapi_encode_h264_write_access_unit(avctx, data, data_len, au);
177 ff_cbs_fragment_reset(priv->cbc, au);
181 static int vaapi_encode_h264_write_slice_header(AVCodecContext *avctx,
182 VAAPIEncodePicture *pic,
183 VAAPIEncodeSlice *slice,
184 char *data, size_t *data_len)
186 VAAPIEncodeH264Context *priv = avctx->priv_data;
187 CodedBitstreamFragment *au = &priv->current_access_unit;
190 if (priv->aud_needed) {
191 err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_aud);
194 priv->aud_needed = 0;
197 err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_slice);
201 err = vaapi_encode_h264_write_access_unit(avctx, data, data_len, au);
203 ff_cbs_fragment_reset(priv->cbc, au);
207 static int vaapi_encode_h264_write_extra_header(AVCodecContext *avctx,
208 VAAPIEncodePicture *pic,
209 int index, int *type,
210 char *data, size_t *data_len)
212 VAAPIEncodeH264Context *priv = avctx->priv_data;
213 CodedBitstreamFragment *au = &priv->current_access_unit;
216 if (priv->sei_needed) {
217 H264RawSEI *sei = &priv->raw_sei;
219 if (priv->aud_needed) {
220 err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_aud);
223 priv->aud_needed = 0;
226 *sei = (H264RawSEI) {
228 .nal_unit_type = H264_NAL_SEI,
234 if (priv->sei_needed & SEI_IDENTIFIER) {
235 sei->payload[i].payload_type = H264_SEI_TYPE_USER_DATA_UNREGISTERED;
236 sei->payload[i].payload.user_data_unregistered = priv->sei_identifier;
239 if (priv->sei_needed & SEI_TIMING) {
240 if (pic->type == PICTURE_TYPE_IDR) {
241 sei->payload[i].payload_type = H264_SEI_TYPE_BUFFERING_PERIOD;
242 sei->payload[i].payload.buffering_period = priv->sei_buffering_period;
245 sei->payload[i].payload_type = H264_SEI_TYPE_PIC_TIMING;
246 sei->payload[i].payload.pic_timing = priv->sei_pic_timing;
249 if (priv->sei_needed & SEI_RECOVERY_POINT) {
250 sei->payload[i].payload_type = H264_SEI_TYPE_RECOVERY_POINT;
251 sei->payload[i].payload.recovery_point = priv->sei_recovery_point;
255 sei->payload_count = i;
256 av_assert0(sei->payload_count > 0);
258 err = vaapi_encode_h264_add_nal(avctx, au, sei);
261 priv->sei_needed = 0;
263 err = vaapi_encode_h264_write_access_unit(avctx, data, data_len, au);
267 ff_cbs_fragment_reset(priv->cbc, au);
269 *type = VAEncPackedHeaderRawData;
273 } else if (priv->sei_cbr_workaround_needed) {
274 // Insert a zero-length header using the old SEI type. This is
275 // required to avoid triggering broken behaviour on Intel platforms
276 // in CBR mode where an invalid SEI message is generated by the
277 // driver and inserted into the stream.
279 *type = VAEncPackedHeaderH264_SEI;
280 priv->sei_cbr_workaround_needed = 0;
289 ff_cbs_fragment_reset(priv->cbc, au);
293 static int vaapi_encode_h264_init_sequence_params(AVCodecContext *avctx)
295 VAAPIEncodeContext *ctx = avctx->priv_data;
296 VAAPIEncodeH264Context *priv = avctx->priv_data;
297 H264RawSPS *sps = &priv->raw_sps;
298 H264RawPPS *pps = &priv->raw_pps;
299 VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
300 VAEncPictureParameterBufferH264 *vpic = ctx->codec_picture_params;
302 memset(sps, 0, sizeof(*sps));
303 memset(pps, 0, sizeof(*pps));
305 sps->nal_unit_header.nal_ref_idc = 3;
306 sps->nal_unit_header.nal_unit_type = H264_NAL_SPS;
308 sps->profile_idc = avctx->profile & 0xff;
310 if (avctx->profile == FF_PROFILE_H264_CONSTRAINED_BASELINE ||
311 avctx->profile == FF_PROFILE_H264_MAIN)
312 sps->constraint_set1_flag = 1;
314 if (avctx->profile == FF_PROFILE_H264_HIGH)
315 sps->constraint_set3_flag = ctx->gop_size == 1;
317 if (avctx->profile == FF_PROFILE_H264_MAIN ||
318 avctx->profile == FF_PROFILE_H264_HIGH) {
319 sps->constraint_set4_flag = 1;
320 sps->constraint_set5_flag = ctx->b_per_p == 0;
323 if (ctx->gop_size == 1)
324 priv->dpb_frames = 0;
326 priv->dpb_frames = 1 + ctx->max_b_depth;
328 if (avctx->level != FF_LEVEL_UNKNOWN) {
329 sps->level_idc = avctx->level;
331 const H264LevelDescriptor *level;
334 if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
335 framerate = avctx->framerate.num / avctx->framerate.den;
339 level = ff_h264_guess_level(sps->profile_idc,
343 priv->mb_height * 16,
346 av_log(avctx, AV_LOG_VERBOSE, "Using level %s.\n", level->name);
347 if (level->constraint_set3_flag)
348 sps->constraint_set3_flag = 1;
349 sps->level_idc = level->level_idc;
351 av_log(avctx, AV_LOG_WARNING, "Stream will not conform "
352 "to any level: using level 6.2.\n");
357 sps->seq_parameter_set_id = 0;
358 sps->chroma_format_idc = 1;
360 sps->log2_max_frame_num_minus4 = 4;
361 sps->pic_order_cnt_type = 0;
362 sps->log2_max_pic_order_cnt_lsb_minus4 = 4;
364 sps->max_num_ref_frames = priv->dpb_frames;
366 sps->pic_width_in_mbs_minus1 = priv->mb_width - 1;
367 sps->pic_height_in_map_units_minus1 = priv->mb_height - 1;
369 sps->frame_mbs_only_flag = 1;
370 sps->direct_8x8_inference_flag = 1;
372 if (avctx->width != 16 * priv->mb_width ||
373 avctx->height != 16 * priv->mb_height) {
374 sps->frame_cropping_flag = 1;
376 sps->frame_crop_left_offset = 0;
377 sps->frame_crop_right_offset =
378 (16 * priv->mb_width - avctx->width) / 2;
379 sps->frame_crop_top_offset = 0;
380 sps->frame_crop_bottom_offset =
381 (16 * priv->mb_height - avctx->height) / 2;
383 sps->frame_cropping_flag = 0;
386 sps->vui_parameters_present_flag = 1;
388 if (avctx->sample_aspect_ratio.num != 0 &&
389 avctx->sample_aspect_ratio.den != 0) {
390 static const AVRational sar_idc[] = {
392 { 1, 1 }, { 12, 11 }, { 10, 11 }, { 16, 11 },
393 { 40, 33 }, { 24, 11 }, { 20, 11 }, { 32, 11 },
394 { 80, 33 }, { 18, 11 }, { 15, 11 }, { 64, 33 },
395 { 160, 99 }, { 4, 3 }, { 3, 2 }, { 2, 1 },
398 av_reduce(&num, &den, avctx->sample_aspect_ratio.num,
399 avctx->sample_aspect_ratio.den, 65535);
400 for (i = 0; i < FF_ARRAY_ELEMS(sar_idc); i++) {
401 if (num == sar_idc[i].num &&
402 den == sar_idc[i].den) {
403 sps->vui.aspect_ratio_idc = i;
407 if (i >= FF_ARRAY_ELEMS(sar_idc)) {
408 sps->vui.aspect_ratio_idc = 255;
409 sps->vui.sar_width = num;
410 sps->vui.sar_height = den;
412 sps->vui.aspect_ratio_info_present_flag = 1;
415 if (avctx->color_range != AVCOL_RANGE_UNSPECIFIED ||
416 avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
417 avctx->color_trc != AVCOL_TRC_UNSPECIFIED ||
418 avctx->colorspace != AVCOL_SPC_UNSPECIFIED) {
419 sps->vui.video_signal_type_present_flag = 1;
420 sps->vui.video_format = 5; // Unspecified.
421 sps->vui.video_full_range_flag =
422 avctx->color_range == AVCOL_RANGE_JPEG;
424 if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
425 avctx->color_trc != AVCOL_TRC_UNSPECIFIED ||
426 avctx->colorspace != AVCOL_SPC_UNSPECIFIED) {
427 sps->vui.colour_description_present_flag = 1;
428 sps->vui.colour_primaries = avctx->color_primaries;
429 sps->vui.transfer_characteristics = avctx->color_trc;
430 sps->vui.matrix_coefficients = avctx->colorspace;
433 sps->vui.video_format = 5;
434 sps->vui.video_full_range_flag = 0;
435 sps->vui.colour_primaries = avctx->color_primaries;
436 sps->vui.transfer_characteristics = avctx->color_trc;
437 sps->vui.matrix_coefficients = avctx->colorspace;
440 if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) {
441 sps->vui.chroma_loc_info_present_flag = 1;
442 sps->vui.chroma_sample_loc_type_top_field =
443 sps->vui.chroma_sample_loc_type_bottom_field =
444 avctx->chroma_sample_location - 1;
447 sps->vui.timing_info_present_flag = 1;
448 if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
449 sps->vui.num_units_in_tick = avctx->framerate.den;
450 sps->vui.time_scale = 2 * avctx->framerate.num;
451 sps->vui.fixed_frame_rate_flag = 1;
453 sps->vui.num_units_in_tick = avctx->time_base.num;
454 sps->vui.time_scale = 2 * avctx->time_base.den;
455 sps->vui.fixed_frame_rate_flag = 0;
458 if (priv->sei & SEI_TIMING) {
459 H264RawHRD *hrd = &sps->vui.nal_hrd_parameters;
460 H264RawSEIBufferingPeriod *bp = &priv->sei_buffering_period;
462 sps->vui.nal_hrd_parameters_present_flag = 1;
464 hrd->cpb_cnt_minus1 = 0;
466 // Try to scale these to a sensible range so that the
467 // golomb encode of the value is not overlong.
468 hrd->bit_rate_scale =
469 av_clip_uintp2(av_log2(ctx->va_bit_rate) - 15 - 6, 4);
470 hrd->bit_rate_value_minus1[0] =
471 (ctx->va_bit_rate >> hrd->bit_rate_scale + 6) - 1;
473 hrd->cpb_size_scale =
474 av_clip_uintp2(av_log2(ctx->hrd_params.hrd.buffer_size) - 15 - 4, 4);
475 hrd->cpb_size_value_minus1[0] =
476 (ctx->hrd_params.hrd.buffer_size >> hrd->cpb_size_scale + 4) - 1;
478 // CBR mode as defined for the HRD cannot be achieved without filler
479 // data, so this flag cannot be set even with VAAPI CBR modes.
480 hrd->cbr_flag[0] = 0;
482 hrd->initial_cpb_removal_delay_length_minus1 = 23;
483 hrd->cpb_removal_delay_length_minus1 = 23;
484 hrd->dpb_output_delay_length_minus1 = 7;
485 hrd->time_offset_length = 0;
487 bp->seq_parameter_set_id = sps->seq_parameter_set_id;
489 // This calculation can easily overflow 32 bits.
490 bp->nal.initial_cpb_removal_delay[0] = 90000 *
491 (uint64_t)ctx->hrd_params.hrd.initial_buffer_fullness /
492 ctx->hrd_params.hrd.buffer_size;
493 bp->nal.initial_cpb_removal_delay_offset[0] = 0;
495 sps->vui.nal_hrd_parameters_present_flag = 0;
496 sps->vui.low_delay_hrd_flag = 1 - sps->vui.fixed_frame_rate_flag;
499 sps->vui.bitstream_restriction_flag = 1;
500 sps->vui.motion_vectors_over_pic_boundaries_flag = 1;
501 sps->vui.log2_max_mv_length_horizontal = 15;
502 sps->vui.log2_max_mv_length_vertical = 15;
503 sps->vui.max_num_reorder_frames = ctx->max_b_depth;
504 sps->vui.max_dec_frame_buffering = ctx->max_b_depth + 1;
506 pps->nal_unit_header.nal_ref_idc = 3;
507 pps->nal_unit_header.nal_unit_type = H264_NAL_PPS;
509 pps->pic_parameter_set_id = 0;
510 pps->seq_parameter_set_id = 0;
512 pps->entropy_coding_mode_flag =
513 !(sps->profile_idc == FF_PROFILE_H264_BASELINE ||
514 sps->profile_idc == FF_PROFILE_H264_EXTENDED ||
515 sps->profile_idc == FF_PROFILE_H264_CAVLC_444);
516 if (!priv->coder && pps->entropy_coding_mode_flag)
517 pps->entropy_coding_mode_flag = 0;
519 pps->num_ref_idx_l0_default_active_minus1 = 0;
520 pps->num_ref_idx_l1_default_active_minus1 = 0;
522 pps->pic_init_qp_minus26 = priv->fixed_qp_idr - 26;
524 if (sps->profile_idc == FF_PROFILE_H264_BASELINE ||
525 sps->profile_idc == FF_PROFILE_H264_EXTENDED ||
526 sps->profile_idc == FF_PROFILE_H264_MAIN) {
527 pps->more_rbsp_data = 0;
529 pps->more_rbsp_data = 1;
531 pps->transform_8x8_mode_flag = 1;
534 *vseq = (VAEncSequenceParameterBufferH264) {
535 .seq_parameter_set_id = sps->seq_parameter_set_id,
536 .level_idc = sps->level_idc,
537 .intra_period = ctx->gop_size,
538 .intra_idr_period = ctx->gop_size,
539 .ip_period = ctx->b_per_p + 1,
541 .bits_per_second = ctx->va_bit_rate,
542 .max_num_ref_frames = sps->max_num_ref_frames,
543 .picture_width_in_mbs = sps->pic_width_in_mbs_minus1 + 1,
544 .picture_height_in_mbs = sps->pic_height_in_map_units_minus1 + 1,
547 .chroma_format_idc = sps->chroma_format_idc,
548 .frame_mbs_only_flag = sps->frame_mbs_only_flag,
549 .mb_adaptive_frame_field_flag = sps->mb_adaptive_frame_field_flag,
550 .seq_scaling_matrix_present_flag = sps->seq_scaling_matrix_present_flag,
551 .direct_8x8_inference_flag = sps->direct_8x8_inference_flag,
552 .log2_max_frame_num_minus4 = sps->log2_max_frame_num_minus4,
553 .pic_order_cnt_type = sps->pic_order_cnt_type,
554 .log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_pic_order_cnt_lsb_minus4,
555 .delta_pic_order_always_zero_flag = sps->delta_pic_order_always_zero_flag,
558 .bit_depth_luma_minus8 = sps->bit_depth_luma_minus8,
559 .bit_depth_chroma_minus8 = sps->bit_depth_chroma_minus8,
561 .frame_cropping_flag = sps->frame_cropping_flag,
562 .frame_crop_left_offset = sps->frame_crop_left_offset,
563 .frame_crop_right_offset = sps->frame_crop_right_offset,
564 .frame_crop_top_offset = sps->frame_crop_top_offset,
565 .frame_crop_bottom_offset = sps->frame_crop_bottom_offset,
567 .vui_parameters_present_flag = sps->vui_parameters_present_flag,
570 .aspect_ratio_info_present_flag = sps->vui.aspect_ratio_info_present_flag,
571 .timing_info_present_flag = sps->vui.timing_info_present_flag,
572 .bitstream_restriction_flag = sps->vui.bitstream_restriction_flag,
573 .log2_max_mv_length_horizontal = sps->vui.log2_max_mv_length_horizontal,
574 .log2_max_mv_length_vertical = sps->vui.log2_max_mv_length_vertical,
577 .aspect_ratio_idc = sps->vui.aspect_ratio_idc,
578 .sar_width = sps->vui.sar_width,
579 .sar_height = sps->vui.sar_height,
580 .num_units_in_tick = sps->vui.num_units_in_tick,
581 .time_scale = sps->vui.time_scale,
584 *vpic = (VAEncPictureParameterBufferH264) {
586 .picture_id = VA_INVALID_ID,
587 .flags = VA_PICTURE_H264_INVALID,
590 .coded_buf = VA_INVALID_ID,
592 .pic_parameter_set_id = pps->pic_parameter_set_id,
593 .seq_parameter_set_id = pps->seq_parameter_set_id,
595 .pic_init_qp = pps->pic_init_qp_minus26 + 26,
596 .num_ref_idx_l0_active_minus1 = pps->num_ref_idx_l0_default_active_minus1,
597 .num_ref_idx_l1_active_minus1 = pps->num_ref_idx_l1_default_active_minus1,
599 .chroma_qp_index_offset = pps->chroma_qp_index_offset,
600 .second_chroma_qp_index_offset = pps->second_chroma_qp_index_offset,
603 .entropy_coding_mode_flag = pps->entropy_coding_mode_flag,
604 .weighted_pred_flag = pps->weighted_pred_flag,
605 .weighted_bipred_idc = pps->weighted_bipred_idc,
606 .constrained_intra_pred_flag = pps->constrained_intra_pred_flag,
607 .transform_8x8_mode_flag = pps->transform_8x8_mode_flag,
608 .deblocking_filter_control_present_flag =
609 pps->deblocking_filter_control_present_flag,
610 .redundant_pic_cnt_present_flag = pps->redundant_pic_cnt_present_flag,
611 .pic_order_present_flag =
612 pps->bottom_field_pic_order_in_frame_present_flag,
613 .pic_scaling_matrix_present_flag = pps->pic_scaling_matrix_present_flag,
620 static int vaapi_encode_h264_init_picture_params(AVCodecContext *avctx,
621 VAAPIEncodePicture *pic)
623 VAAPIEncodeContext *ctx = avctx->priv_data;
624 VAAPIEncodeH264Context *priv = avctx->priv_data;
625 VAAPIEncodeH264Picture *hpic = pic->priv_data;
626 VAAPIEncodePicture *prev = pic->prev;
627 VAAPIEncodeH264Picture *hprev = prev ? prev->priv_data : NULL;
628 VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
631 if (pic->type == PICTURE_TYPE_IDR) {
632 av_assert0(pic->display_order == pic->encode_order);
635 hpic->last_idr_frame = pic->display_order;
636 hpic->idr_pic_id = hprev ? hprev->idr_pic_id + 1 : 0;
638 hpic->primary_pic_type = 0;
639 hpic->slice_type = 7;
643 hpic->frame_num = hprev->frame_num + prev->is_reference;
645 hpic->last_idr_frame = hprev->last_idr_frame;
646 hpic->idr_pic_id = hprev->idr_pic_id;
648 if (pic->type == PICTURE_TYPE_I) {
649 hpic->slice_type = 7;
650 hpic->primary_pic_type = 0;
651 } else if (pic->type == PICTURE_TYPE_P) {
652 hpic->slice_type = 5;
653 hpic->primary_pic_type = 1;
655 hpic->slice_type = 6;
656 hpic->primary_pic_type = 2;
659 hpic->pic_order_cnt = pic->display_order - hpic->last_idr_frame;
660 hpic->dpb_delay = pic->display_order - pic->encode_order + ctx->max_b_depth;
661 hpic->cpb_delay = pic->encode_order - hpic->last_idr_frame;
664 priv->aud_needed = 1;
665 priv->raw_aud = (H264RawAUD) {
667 .nal_unit_type = H264_NAL_AUD,
669 .primary_pic_type = hpic->primary_pic_type,
672 priv->aud_needed = 0;
675 priv->sei_needed = 0;
677 if (priv->sei & SEI_IDENTIFIER && pic->encode_order == 0)
678 priv->sei_needed |= SEI_IDENTIFIER;
680 if (ctx->va_rc_mode == VA_RC_CBR)
681 priv->sei_cbr_workaround_needed = 1;
684 if (priv->sei & SEI_TIMING) {
685 priv->sei_pic_timing = (H264RawSEIPicTiming) {
686 .cpb_removal_delay = 2 * hpic->cpb_delay,
687 .dpb_output_delay = 2 * hpic->dpb_delay,
690 priv->sei_needed |= SEI_TIMING;
693 if (priv->sei & SEI_RECOVERY_POINT && pic->type == PICTURE_TYPE_I) {
694 priv->sei_recovery_point = (H264RawSEIRecoveryPoint) {
695 .recovery_frame_cnt = 0,
696 .exact_match_flag = 1,
697 .broken_link_flag = ctx->b_per_p > 0,
700 priv->sei_needed |= SEI_RECOVERY_POINT;
703 vpic->CurrPic = (VAPictureH264) {
704 .picture_id = pic->recon_surface,
705 .frame_idx = hpic->frame_num,
707 .TopFieldOrderCnt = hpic->pic_order_cnt,
708 .BottomFieldOrderCnt = hpic->pic_order_cnt,
711 for (i = 0; i < pic->nb_refs; i++) {
712 VAAPIEncodePicture *ref = pic->refs[i];
713 VAAPIEncodeH264Picture *href;
715 av_assert0(ref && ref->encode_order < pic->encode_order);
716 href = ref->priv_data;
718 vpic->ReferenceFrames[i] = (VAPictureH264) {
719 .picture_id = ref->recon_surface,
720 .frame_idx = href->frame_num,
721 .flags = VA_PICTURE_H264_SHORT_TERM_REFERENCE,
722 .TopFieldOrderCnt = href->pic_order_cnt,
723 .BottomFieldOrderCnt = href->pic_order_cnt,
726 for (; i < FF_ARRAY_ELEMS(vpic->ReferenceFrames); i++) {
727 vpic->ReferenceFrames[i] = (VAPictureH264) {
728 .picture_id = VA_INVALID_ID,
729 .flags = VA_PICTURE_H264_INVALID,
733 vpic->coded_buf = pic->output_buffer;
735 vpic->frame_num = hpic->frame_num;
737 vpic->pic_fields.bits.idr_pic_flag = (pic->type == PICTURE_TYPE_IDR);
738 vpic->pic_fields.bits.reference_pic_flag = (pic->type != PICTURE_TYPE_B);
743 static void vaapi_encode_h264_default_ref_pic_list(AVCodecContext *avctx,
744 VAAPIEncodePicture *pic,
745 VAAPIEncodePicture **rpl0,
746 VAAPIEncodePicture **rpl1,
749 VAAPIEncodePicture *prev;
750 VAAPIEncodeH264Picture *hp, *hn, *hc;
757 for (i = 0; i < pic->prev->nb_dpb_pics; i++) {
758 hn = prev->dpb[i]->priv_data;
759 av_assert0(hn->frame_num < hp->frame_num);
761 if (pic->type == PICTURE_TYPE_P) {
762 for (j = n; j > 0; j--) {
763 hc = rpl0[j - 1]->priv_data;
764 av_assert0(hc->frame_num != hn->frame_num);
765 if (hc->frame_num > hn->frame_num)
767 rpl0[j] = rpl0[j - 1];
769 rpl0[j] = prev->dpb[i];
771 } else if (pic->type == PICTURE_TYPE_B) {
772 for (j = n; j > 0; j--) {
773 hc = rpl0[j - 1]->priv_data;
774 av_assert0(hc->pic_order_cnt != hp->pic_order_cnt);
775 if (hc->pic_order_cnt < hp->pic_order_cnt) {
776 if (hn->pic_order_cnt > hp->pic_order_cnt ||
777 hn->pic_order_cnt < hc->pic_order_cnt)
780 if (hn->pic_order_cnt > hc->pic_order_cnt)
783 rpl0[j] = rpl0[j - 1];
785 rpl0[j] = prev->dpb[i];
787 for (j = n; j > 0; j--) {
788 hc = rpl1[j - 1]->priv_data;
789 av_assert0(hc->pic_order_cnt != hp->pic_order_cnt);
790 if (hc->pic_order_cnt > hp->pic_order_cnt) {
791 if (hn->pic_order_cnt < hp->pic_order_cnt ||
792 hn->pic_order_cnt > hc->pic_order_cnt)
795 if (hn->pic_order_cnt < hc->pic_order_cnt)
798 rpl1[j] = rpl1[j - 1];
800 rpl1[j] = prev->dpb[i];
806 if (pic->type == PICTURE_TYPE_B) {
807 for (i = 0; i < n; i++) {
808 if (rpl0[i] != rpl1[i])
812 FFSWAP(VAAPIEncodePicture*, rpl1[0], rpl1[1]);
815 if (pic->type == PICTURE_TYPE_P ||
816 pic->type == PICTURE_TYPE_B) {
817 av_log(avctx, AV_LOG_DEBUG, "Default RefPicList0 for fn=%d/poc=%d:",
818 hp->frame_num, hp->pic_order_cnt);
819 for (i = 0; i < n; i++) {
820 hn = rpl0[i]->priv_data;
821 av_log(avctx, AV_LOG_DEBUG, " fn=%d/poc=%d",
822 hn->frame_num, hn->pic_order_cnt);
824 av_log(avctx, AV_LOG_DEBUG, "\n");
826 if (pic->type == PICTURE_TYPE_B) {
827 av_log(avctx, AV_LOG_DEBUG, "Default RefPicList1 for fn=%d/poc=%d:",
828 hp->frame_num, hp->pic_order_cnt);
829 for (i = 0; i < n; i++) {
830 hn = rpl1[i]->priv_data;
831 av_log(avctx, AV_LOG_DEBUG, " fn=%d/poc=%d",
832 hn->frame_num, hn->pic_order_cnt);
834 av_log(avctx, AV_LOG_DEBUG, "\n");
840 static int vaapi_encode_h264_init_slice_params(AVCodecContext *avctx,
841 VAAPIEncodePicture *pic,
842 VAAPIEncodeSlice *slice)
844 VAAPIEncodeH264Context *priv = avctx->priv_data;
845 VAAPIEncodeH264Picture *hpic = pic->priv_data;
846 VAAPIEncodePicture *prev = pic->prev;
847 H264RawSPS *sps = &priv->raw_sps;
848 H264RawPPS *pps = &priv->raw_pps;
849 H264RawSliceHeader *sh = &priv->raw_slice.header;
850 VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
851 VAEncSliceParameterBufferH264 *vslice = slice->codec_slice_params;
854 if (pic->type == PICTURE_TYPE_IDR) {
855 sh->nal_unit_header.nal_unit_type = H264_NAL_IDR_SLICE;
856 sh->nal_unit_header.nal_ref_idc = 3;
858 sh->nal_unit_header.nal_unit_type = H264_NAL_SLICE;
859 sh->nal_unit_header.nal_ref_idc = pic->is_reference;
862 sh->first_mb_in_slice = slice->block_start;
863 sh->slice_type = hpic->slice_type;
865 sh->pic_parameter_set_id = pps->pic_parameter_set_id;
867 sh->frame_num = hpic->frame_num &
868 ((1 << (4 + sps->log2_max_frame_num_minus4)) - 1);
869 sh->idr_pic_id = hpic->idr_pic_id;
870 sh->pic_order_cnt_lsb = hpic->pic_order_cnt &
871 ((1 << (4 + sps->log2_max_pic_order_cnt_lsb_minus4)) - 1);
873 sh->direct_spatial_mv_pred_flag = 1;
875 if (pic->type == PICTURE_TYPE_B)
876 sh->slice_qp_delta = priv->fixed_qp_b - (pps->pic_init_qp_minus26 + 26);
877 else if (pic->type == PICTURE_TYPE_P)
878 sh->slice_qp_delta = priv->fixed_qp_p - (pps->pic_init_qp_minus26 + 26);
880 sh->slice_qp_delta = priv->fixed_qp_idr - (pps->pic_init_qp_minus26 + 26);
882 if (pic->is_reference && pic->type != PICTURE_TYPE_IDR) {
883 VAAPIEncodePicture *discard_list[MAX_DPB_SIZE];
884 int discard = 0, keep = 0;
886 // Discard everything which is in the DPB of the previous frame but
887 // not in the DPB of this one.
888 for (i = 0; i < prev->nb_dpb_pics; i++) {
889 for (j = 0; j < pic->nb_dpb_pics; j++) {
890 if (prev->dpb[i] == pic->dpb[j])
893 if (j == pic->nb_dpb_pics) {
894 discard_list[discard] = prev->dpb[i];
900 av_assert0(keep <= priv->dpb_frames);
903 sh->adaptive_ref_pic_marking_mode_flag = 0;
905 sh->adaptive_ref_pic_marking_mode_flag = 1;
906 for (i = 0; i < discard; i++) {
907 VAAPIEncodeH264Picture *old = discard_list[i]->priv_data;
908 av_assert0(old->frame_num < hpic->frame_num);
909 sh->mmco[i].memory_management_control_operation = 1;
910 sh->mmco[i].difference_of_pic_nums_minus1 =
911 hpic->frame_num - old->frame_num - 1;
913 sh->mmco[i].memory_management_control_operation = 0;
917 // If the intended references are not the first entries of RefPicListN
918 // by default, use ref-pic-list-modification to move them there.
919 if (pic->type == PICTURE_TYPE_P || pic->type == PICTURE_TYPE_B) {
920 VAAPIEncodePicture *def_l0[MAX_DPB_SIZE], *def_l1[MAX_DPB_SIZE];
921 VAAPIEncodeH264Picture *href;
924 vaapi_encode_h264_default_ref_pic_list(avctx, pic,
927 if (pic->type == PICTURE_TYPE_P) {
929 for (i = 0; i < pic->nb_refs; i++) {
930 av_assert0(pic->refs[i]);
931 if (pic->refs[i] != def_l0[i])
935 sh->ref_pic_list_modification_flag_l0 = need_rplm;
937 int pic_num = hpic->frame_num;
938 for (i = 0; i < pic->nb_refs; i++) {
939 href = pic->refs[i]->priv_data;
940 av_assert0(href->frame_num != pic_num);
941 if (href->frame_num < pic_num) {
942 sh->rplm_l0[i].modification_of_pic_nums_idc = 0;
943 sh->rplm_l0[i].abs_diff_pic_num_minus1 =
944 pic_num - href->frame_num - 1;
946 sh->rplm_l0[i].modification_of_pic_nums_idc = 1;
947 sh->rplm_l0[i].abs_diff_pic_num_minus1 =
948 href->frame_num - pic_num - 1;
950 pic_num = href->frame_num;
952 sh->rplm_l0[i].modification_of_pic_nums_idc = 3;
956 int need_rplm_l0 = 0, need_rplm_l1 = 0;
958 for (i = 0; i < pic->nb_refs; i++) {
959 av_assert0(pic->refs[i]);
960 href = pic->refs[i]->priv_data;
961 av_assert0(href->pic_order_cnt != hpic->pic_order_cnt);
962 if (href->pic_order_cnt < hpic->pic_order_cnt) {
963 if (pic->refs[i] != def_l0[n0])
967 if (pic->refs[i] != def_l1[n1])
973 sh->ref_pic_list_modification_flag_l0 = need_rplm_l0;
975 int pic_num = hpic->frame_num;
976 for (i = j = 0; i < pic->nb_refs; i++) {
977 href = pic->refs[i]->priv_data;
978 if (href->pic_order_cnt > hpic->pic_order_cnt)
980 av_assert0(href->frame_num != pic_num);
981 if (href->frame_num < pic_num) {
982 sh->rplm_l0[j].modification_of_pic_nums_idc = 0;
983 sh->rplm_l0[j].abs_diff_pic_num_minus1 =
984 pic_num - href->frame_num - 1;
986 sh->rplm_l0[j].modification_of_pic_nums_idc = 1;
987 sh->rplm_l0[j].abs_diff_pic_num_minus1 =
988 href->frame_num - pic_num - 1;
990 pic_num = href->frame_num;
994 sh->rplm_l0[j].modification_of_pic_nums_idc = 3;
997 sh->ref_pic_list_modification_flag_l1 = need_rplm_l1;
999 int pic_num = hpic->frame_num;
1000 for (i = j = 0; i < pic->nb_refs; i++) {
1001 href = pic->refs[i]->priv_data;
1002 if (href->pic_order_cnt < hpic->pic_order_cnt)
1004 av_assert0(href->frame_num != pic_num);
1005 if (href->frame_num < pic_num) {
1006 sh->rplm_l1[j].modification_of_pic_nums_idc = 0;
1007 sh->rplm_l1[j].abs_diff_pic_num_minus1 =
1008 pic_num - href->frame_num - 1;
1010 sh->rplm_l1[j].modification_of_pic_nums_idc = 1;
1011 sh->rplm_l1[j].abs_diff_pic_num_minus1 =
1012 href->frame_num - pic_num - 1;
1014 pic_num = href->frame_num;
1017 av_assert0(j == n1);
1018 sh->rplm_l1[j].modification_of_pic_nums_idc = 3;
1023 vslice->macroblock_address = slice->block_start;
1024 vslice->num_macroblocks = slice->block_size;
1026 vslice->macroblock_info = VA_INVALID_ID;
1028 vslice->slice_type = sh->slice_type % 5;
1029 vslice->pic_parameter_set_id = sh->pic_parameter_set_id;
1030 vslice->idr_pic_id = sh->idr_pic_id;
1032 vslice->pic_order_cnt_lsb = sh->pic_order_cnt_lsb;
1034 vslice->direct_spatial_mv_pred_flag = sh->direct_spatial_mv_pred_flag;
1036 for (i = 0; i < FF_ARRAY_ELEMS(vslice->RefPicList0); i++) {
1037 vslice->RefPicList0[i].picture_id = VA_INVALID_ID;
1038 vslice->RefPicList0[i].flags = VA_PICTURE_H264_INVALID;
1039 vslice->RefPicList1[i].picture_id = VA_INVALID_ID;
1040 vslice->RefPicList1[i].flags = VA_PICTURE_H264_INVALID;
1043 av_assert0(pic->nb_refs <= 2);
1044 if (pic->nb_refs >= 1) {
1045 // Backward reference for P- or B-frame.
1046 av_assert0(pic->type == PICTURE_TYPE_P ||
1047 pic->type == PICTURE_TYPE_B);
1048 vslice->RefPicList0[0] = vpic->ReferenceFrames[0];
1050 if (pic->nb_refs >= 2) {
1051 // Forward reference for B-frame.
1052 av_assert0(pic->type == PICTURE_TYPE_B);
1053 vslice->RefPicList1[0] = vpic->ReferenceFrames[1];
1056 vslice->slice_qp_delta = sh->slice_qp_delta;
1061 static av_cold int vaapi_encode_h264_configure(AVCodecContext *avctx)
1063 VAAPIEncodeContext *ctx = avctx->priv_data;
1064 VAAPIEncodeH264Context *priv = avctx->priv_data;
1067 err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_H264, avctx);
1071 priv->mb_width = FFALIGN(avctx->width, 16) / 16;
1072 priv->mb_height = FFALIGN(avctx->height, 16) / 16;
1074 if (ctx->va_rc_mode == VA_RC_CQP) {
1075 priv->fixed_qp_p = av_clip(ctx->rc_quality, 1, 51);
1076 if (avctx->i_quant_factor > 0.0)
1077 priv->fixed_qp_idr =
1078 av_clip((avctx->i_quant_factor * priv->fixed_qp_p +
1079 avctx->i_quant_offset) + 0.5, 1, 51);
1081 priv->fixed_qp_idr = priv->fixed_qp_p;
1082 if (avctx->b_quant_factor > 0.0)
1084 av_clip((avctx->b_quant_factor * priv->fixed_qp_p +
1085 avctx->b_quant_offset) + 0.5, 1, 51);
1087 priv->fixed_qp_b = priv->fixed_qp_p;
1089 av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "
1090 "%d / %d / %d for IDR- / P- / B-frames.\n",
1091 priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
1094 // These still need to be set for pic_init_qp/slice_qp_delta.
1095 priv->fixed_qp_idr = 26;
1096 priv->fixed_qp_p = 26;
1097 priv->fixed_qp_b = 26;
1100 if (!ctx->rc_mode->hrd) {
1101 // Timing SEI requires a mode respecting HRD parameters.
1102 priv->sei &= ~SEI_TIMING;
1105 if (priv->sei & SEI_IDENTIFIER) {
1106 const char *lavc = LIBAVCODEC_IDENT;
1107 const char *vaapi = VA_VERSION_S;
1111 memcpy(priv->sei_identifier.uuid_iso_iec_11578,
1112 vaapi_encode_h264_sei_identifier_uuid,
1113 sizeof(priv->sei_identifier.uuid_iso_iec_11578));
1115 driver = vaQueryVendorString(ctx->hwctx->display);
1117 driver = "unknown driver";
1119 len = snprintf(NULL, 0, "%s / VAAPI %s / %s", lavc, vaapi, driver);
1121 priv->sei_identifier_string = av_malloc(len + 1);
1122 if (!priv->sei_identifier_string)
1123 return AVERROR(ENOMEM);
1125 snprintf(priv->sei_identifier_string, len + 1,
1126 "%s / VAAPI %s / %s", lavc, vaapi, driver);
1128 priv->sei_identifier.data = priv->sei_identifier_string;
1129 priv->sei_identifier.data_length = len + 1;
1136 static const VAAPIEncodeProfile vaapi_encode_h264_profiles[] = {
1137 { FF_PROFILE_H264_HIGH, 8, 3, 1, 1, VAProfileH264High },
1138 { FF_PROFILE_H264_MAIN, 8, 3, 1, 1, VAProfileH264Main },
1139 { FF_PROFILE_H264_CONSTRAINED_BASELINE,
1140 8, 3, 1, 1, VAProfileH264ConstrainedBaseline },
1141 { FF_PROFILE_UNKNOWN }
1144 static const VAAPIEncodeType vaapi_encode_type_h264 = {
1145 .profiles = vaapi_encode_h264_profiles,
1147 .flags = FLAG_SLICE_CONTROL |
1149 FLAG_B_PICTURE_REFERENCES |
1150 FLAG_NON_IDR_KEY_PICTURES,
1152 .default_quality = 20,
1154 .configure = &vaapi_encode_h264_configure,
1156 .picture_priv_data_size = sizeof(VAAPIEncodeH264Picture),
1158 .sequence_params_size = sizeof(VAEncSequenceParameterBufferH264),
1159 .init_sequence_params = &vaapi_encode_h264_init_sequence_params,
1161 .picture_params_size = sizeof(VAEncPictureParameterBufferH264),
1162 .init_picture_params = &vaapi_encode_h264_init_picture_params,
1164 .slice_params_size = sizeof(VAEncSliceParameterBufferH264),
1165 .init_slice_params = &vaapi_encode_h264_init_slice_params,
1167 .sequence_header_type = VAEncPackedHeaderSequence,
1168 .write_sequence_header = &vaapi_encode_h264_write_sequence_header,
1170 .slice_header_type = VAEncPackedHeaderH264_Slice,
1171 .write_slice_header = &vaapi_encode_h264_write_slice_header,
1173 .write_extra_header = &vaapi_encode_h264_write_extra_header,
1176 static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx)
1178 VAAPIEncodeContext *ctx = avctx->priv_data;
1179 VAAPIEncodeH264Context *priv = avctx->priv_data;
1181 ctx->codec = &vaapi_encode_type_h264;
1183 if (avctx->profile == FF_PROFILE_UNKNOWN)
1184 avctx->profile = priv->profile;
1185 if (avctx->level == FF_LEVEL_UNKNOWN)
1186 avctx->level = priv->level;
1187 if (avctx->compression_level == FF_COMPRESSION_DEFAULT)
1188 avctx->compression_level = priv->quality;
1190 // Reject unsupported profiles.
1191 switch (avctx->profile) {
1192 case FF_PROFILE_H264_BASELINE:
1193 av_log(avctx, AV_LOG_WARNING, "H.264 baseline profile is not "
1194 "supported, using constrained baseline profile instead.\n");
1195 avctx->profile = FF_PROFILE_H264_CONSTRAINED_BASELINE;
1197 case FF_PROFILE_H264_EXTENDED:
1198 av_log(avctx, AV_LOG_ERROR, "H.264 extended profile "
1199 "is not supported.\n");
1200 return AVERROR_PATCHWELCOME;
1201 case FF_PROFILE_H264_HIGH_10:
1202 case FF_PROFILE_H264_HIGH_10_INTRA:
1203 av_log(avctx, AV_LOG_ERROR, "H.264 10-bit profiles "
1204 "are not supported.\n");
1205 return AVERROR_PATCHWELCOME;
1206 case FF_PROFILE_H264_HIGH_422:
1207 case FF_PROFILE_H264_HIGH_422_INTRA:
1208 case FF_PROFILE_H264_HIGH_444:
1209 case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
1210 case FF_PROFILE_H264_HIGH_444_INTRA:
1211 case FF_PROFILE_H264_CAVLC_444:
1212 av_log(avctx, AV_LOG_ERROR, "H.264 non-4:2:0 profiles "
1213 "are not supported.\n");
1214 return AVERROR_PATCHWELCOME;
1217 if (avctx->level != FF_LEVEL_UNKNOWN && avctx->level & ~0xff) {
1218 av_log(avctx, AV_LOG_ERROR, "Invalid level %d: must fit "
1219 "in 8-bit unsigned integer.\n", avctx->level);
1220 return AVERROR(EINVAL);
1223 ctx->desired_packed_headers =
1224 VA_ENC_PACKED_HEADER_SEQUENCE | // SPS and PPS.
1225 VA_ENC_PACKED_HEADER_SLICE | // Slice headers.
1226 VA_ENC_PACKED_HEADER_MISC; // SEI.
1228 ctx->surface_width = FFALIGN(avctx->width, 16);
1229 ctx->surface_height = FFALIGN(avctx->height, 16);
1231 ctx->slice_block_height = ctx->slice_block_width = 16;
1234 ctx->explicit_qp = priv->qp;
1236 return ff_vaapi_encode_init(avctx);
1239 static av_cold int vaapi_encode_h264_close(AVCodecContext *avctx)
1241 VAAPIEncodeH264Context *priv = avctx->priv_data;
1243 ff_cbs_fragment_free(priv->cbc, &priv->current_access_unit);
1244 ff_cbs_close(&priv->cbc);
1245 av_freep(&priv->sei_identifier_string);
1247 return ff_vaapi_encode_close(avctx);
1250 #define OFFSET(x) offsetof(VAAPIEncodeH264Context, x)
1251 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
1252 static const AVOption vaapi_encode_h264_options[] = {
1253 VAAPI_ENCODE_COMMON_OPTIONS,
1254 VAAPI_ENCODE_RC_OPTIONS,
1256 { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
1257 OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 52, FLAGS },
1258 { "quality", "Set encode quality (trades off against speed, higher is faster)",
1259 OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
1260 { "coder", "Entropy coder type",
1261 OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, FLAGS, "coder" },
1262 { "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1263 { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1264 { "vlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1265 { "ac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1267 { "aud", "Include AUD",
1268 OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
1270 { "sei", "Set SEI to include",
1271 OFFSET(sei), AV_OPT_TYPE_FLAGS,
1272 { .i64 = SEI_IDENTIFIER | SEI_TIMING | SEI_RECOVERY_POINT },
1273 0, INT_MAX, FLAGS, "sei" },
1274 { "identifier", "Include encoder version identifier",
1275 0, AV_OPT_TYPE_CONST, { .i64 = SEI_IDENTIFIER },
1276 INT_MIN, INT_MAX, FLAGS, "sei" },
1277 { "timing", "Include timing parameters (buffering_period and pic_timing)",
1278 0, AV_OPT_TYPE_CONST, { .i64 = SEI_TIMING },
1279 INT_MIN, INT_MAX, FLAGS, "sei" },
1280 { "recovery_point", "Include recovery points where appropriate",
1281 0, AV_OPT_TYPE_CONST, { .i64 = SEI_RECOVERY_POINT },
1282 INT_MIN, INT_MAX, FLAGS, "sei" },
1284 { "profile", "Set profile (profile_idc and constraint_set*_flag)",
1285 OFFSET(profile), AV_OPT_TYPE_INT,
1286 { .i64 = FF_PROFILE_UNKNOWN }, FF_PROFILE_UNKNOWN, 0xffff, FLAGS, "profile" },
1288 #define PROFILE(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
1289 { .i64 = value }, 0, 0, FLAGS, "profile"
1290 { PROFILE("constrained_baseline", FF_PROFILE_H264_CONSTRAINED_BASELINE) },
1291 { PROFILE("main", FF_PROFILE_H264_MAIN) },
1292 { PROFILE("high", FF_PROFILE_H264_HIGH) },
1295 { "level", "Set level (level_idc)",
1296 OFFSET(level), AV_OPT_TYPE_INT,
1297 { .i64 = FF_LEVEL_UNKNOWN }, FF_LEVEL_UNKNOWN, 0xff, FLAGS, "level" },
1299 #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
1300 { .i64 = value }, 0, 0, FLAGS, "level"
1302 { LEVEL("1.1", 11) },
1303 { LEVEL("1.2", 12) },
1304 { LEVEL("1.3", 13) },
1306 { LEVEL("2.1", 21) },
1307 { LEVEL("2.2", 22) },
1309 { LEVEL("3.1", 31) },
1310 { LEVEL("3.2", 32) },
1312 { LEVEL("4.1", 41) },
1313 { LEVEL("4.2", 42) },
1315 { LEVEL("5.1", 51) },
1316 { LEVEL("5.2", 52) },
1318 { LEVEL("6.1", 61) },
1319 { LEVEL("6.2", 62) },
1325 static const AVCodecDefault vaapi_encode_h264_defaults[] = {
1329 { "i_qfactor", "1" },
1330 { "i_qoffset", "0" },
1331 { "b_qfactor", "6/5" },
1332 { "b_qoffset", "0" },
1338 static const AVClass vaapi_encode_h264_class = {
1339 .class_name = "h264_vaapi",
1340 .item_name = av_default_item_name,
1341 .option = vaapi_encode_h264_options,
1342 .version = LIBAVUTIL_VERSION_INT,
1345 AVCodec ff_h264_vaapi_encoder = {
1346 .name = "h264_vaapi",
1347 .long_name = NULL_IF_CONFIG_SMALL("H.264/AVC (VAAPI)"),
1348 .type = AVMEDIA_TYPE_VIDEO,
1349 .id = AV_CODEC_ID_H264,
1350 .priv_data_size = sizeof(VAAPIEncodeH264Context),
1351 .init = &vaapi_encode_h264_init,
1352 .send_frame = &ff_vaapi_encode_send_frame,
1353 .receive_packet = &ff_vaapi_encode_receive_packet,
1354 .close = &vaapi_encode_h264_close,
1355 .priv_class = &vaapi_encode_h264_class,
1356 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
1357 .defaults = vaapi_encode_h264_defaults,
1358 .pix_fmts = (const enum AVPixelFormat[]) {
1362 .wrapper_name = "vaapi",