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_uninit(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_uninit(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_uninit(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_uninit(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(&priv->current_access_unit, 0,
303 sizeof(priv->current_access_unit));
305 memset(sps, 0, sizeof(*sps));
306 memset(pps, 0, sizeof(*pps));
308 sps->nal_unit_header.nal_ref_idc = 3;
309 sps->nal_unit_header.nal_unit_type = H264_NAL_SPS;
311 sps->profile_idc = avctx->profile & 0xff;
313 if (avctx->profile == FF_PROFILE_H264_CONSTRAINED_BASELINE ||
314 avctx->profile == FF_PROFILE_H264_MAIN)
315 sps->constraint_set1_flag = 1;
317 if (avctx->profile == FF_PROFILE_H264_HIGH)
318 sps->constraint_set3_flag = ctx->gop_size == 1;
320 if (avctx->profile == FF_PROFILE_H264_MAIN ||
321 avctx->profile == FF_PROFILE_H264_HIGH) {
322 sps->constraint_set4_flag = 1;
323 sps->constraint_set5_flag = ctx->b_per_p == 0;
326 if (ctx->gop_size == 1)
327 priv->dpb_frames = 0;
329 priv->dpb_frames = 1 + ctx->max_b_depth;
331 if (avctx->level != FF_LEVEL_UNKNOWN) {
332 sps->level_idc = avctx->level;
334 const H264LevelDescriptor *level;
336 level = ff_h264_guess_level(sps->profile_idc,
339 priv->mb_height * 16,
342 av_log(avctx, AV_LOG_VERBOSE, "Using level %s.\n", level->name);
343 if (level->constraint_set3_flag)
344 sps->constraint_set3_flag = 1;
345 sps->level_idc = level->level_idc;
347 av_log(avctx, AV_LOG_WARNING, "Stream will not conform "
348 "to any level: using level 6.2.\n");
353 sps->seq_parameter_set_id = 0;
354 sps->chroma_format_idc = 1;
356 sps->log2_max_frame_num_minus4 = 4;
357 sps->pic_order_cnt_type = 0;
358 sps->log2_max_pic_order_cnt_lsb_minus4 = 4;
360 sps->max_num_ref_frames = priv->dpb_frames;
362 sps->pic_width_in_mbs_minus1 = priv->mb_width - 1;
363 sps->pic_height_in_map_units_minus1 = priv->mb_height - 1;
365 sps->frame_mbs_only_flag = 1;
366 sps->direct_8x8_inference_flag = 1;
368 if (avctx->width != 16 * priv->mb_width ||
369 avctx->height != 16 * priv->mb_height) {
370 sps->frame_cropping_flag = 1;
372 sps->frame_crop_left_offset = 0;
373 sps->frame_crop_right_offset =
374 (16 * priv->mb_width - avctx->width) / 2;
375 sps->frame_crop_top_offset = 0;
376 sps->frame_crop_bottom_offset =
377 (16 * priv->mb_height - avctx->height) / 2;
379 sps->frame_cropping_flag = 0;
382 sps->vui_parameters_present_flag = 1;
384 if (avctx->sample_aspect_ratio.num != 0 &&
385 avctx->sample_aspect_ratio.den != 0) {
386 static const AVRational sar_idc[] = {
388 { 1, 1 }, { 12, 11 }, { 10, 11 }, { 16, 11 },
389 { 40, 33 }, { 24, 11 }, { 20, 11 }, { 32, 11 },
390 { 80, 33 }, { 18, 11 }, { 15, 11 }, { 64, 33 },
391 { 160, 99 }, { 4, 3 }, { 3, 2 }, { 2, 1 },
394 av_reduce(&num, &den, avctx->sample_aspect_ratio.num,
395 avctx->sample_aspect_ratio.den, 65535);
396 for (i = 0; i < FF_ARRAY_ELEMS(sar_idc); i++) {
397 if (num == sar_idc[i].num &&
398 den == sar_idc[i].den) {
399 sps->vui.aspect_ratio_idc = i;
403 if (i >= FF_ARRAY_ELEMS(sar_idc)) {
404 sps->vui.aspect_ratio_idc = 255;
405 sps->vui.sar_width = num;
406 sps->vui.sar_height = den;
408 sps->vui.aspect_ratio_info_present_flag = 1;
411 if (avctx->color_range != AVCOL_RANGE_UNSPECIFIED ||
412 avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
413 avctx->color_trc != AVCOL_TRC_UNSPECIFIED ||
414 avctx->colorspace != AVCOL_SPC_UNSPECIFIED) {
415 sps->vui.video_signal_type_present_flag = 1;
416 sps->vui.video_format = 5; // Unspecified.
417 sps->vui.video_full_range_flag =
418 avctx->color_range == AVCOL_RANGE_JPEG;
420 if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
421 avctx->color_trc != AVCOL_TRC_UNSPECIFIED ||
422 avctx->colorspace != AVCOL_SPC_UNSPECIFIED) {
423 sps->vui.colour_description_present_flag = 1;
424 sps->vui.colour_primaries = avctx->color_primaries;
425 sps->vui.transfer_characteristics = avctx->color_trc;
426 sps->vui.matrix_coefficients = avctx->colorspace;
429 sps->vui.video_format = 5;
430 sps->vui.video_full_range_flag = 0;
431 sps->vui.colour_primaries = avctx->color_primaries;
432 sps->vui.transfer_characteristics = avctx->color_trc;
433 sps->vui.matrix_coefficients = avctx->colorspace;
436 if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) {
437 sps->vui.chroma_loc_info_present_flag = 1;
438 sps->vui.chroma_sample_loc_type_top_field =
439 sps->vui.chroma_sample_loc_type_bottom_field =
440 avctx->chroma_sample_location - 1;
443 sps->vui.timing_info_present_flag = 1;
444 if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
445 sps->vui.num_units_in_tick = avctx->framerate.den;
446 sps->vui.time_scale = 2 * avctx->framerate.num;
447 sps->vui.fixed_frame_rate_flag = 1;
449 sps->vui.num_units_in_tick = avctx->time_base.num;
450 sps->vui.time_scale = 2 * avctx->time_base.den;
451 sps->vui.fixed_frame_rate_flag = 0;
454 if (priv->sei & SEI_TIMING) {
455 H264RawHRD *hrd = &sps->vui.nal_hrd_parameters;
456 H264RawSEIBufferingPeriod *bp = &priv->sei_buffering_period;
458 sps->vui.nal_hrd_parameters_present_flag = 1;
460 hrd->cpb_cnt_minus1 = 0;
462 // Try to scale these to a sensible range so that the
463 // golomb encode of the value is not overlong.
464 hrd->bit_rate_scale =
465 av_clip_uintp2(av_log2(ctx->va_bit_rate) - 15 - 6, 4);
466 hrd->bit_rate_value_minus1[0] =
467 (ctx->va_bit_rate >> hrd->bit_rate_scale + 6) - 1;
469 hrd->cpb_size_scale =
470 av_clip_uintp2(av_log2(ctx->hrd_params.hrd.buffer_size) - 15 - 4, 4);
471 hrd->cpb_size_value_minus1[0] =
472 (ctx->hrd_params.hrd.buffer_size >> hrd->cpb_size_scale + 4) - 1;
474 // CBR mode as defined for the HRD cannot be achieved without filler
475 // data, so this flag cannot be set even with VAAPI CBR modes.
476 hrd->cbr_flag[0] = 0;
478 hrd->initial_cpb_removal_delay_length_minus1 = 23;
479 hrd->cpb_removal_delay_length_minus1 = 23;
480 hrd->dpb_output_delay_length_minus1 = 7;
481 hrd->time_offset_length = 0;
483 bp->seq_parameter_set_id = sps->seq_parameter_set_id;
485 // This calculation can easily overflow 32 bits.
486 bp->nal.initial_cpb_removal_delay[0] = 90000 *
487 (uint64_t)ctx->hrd_params.hrd.initial_buffer_fullness /
488 ctx->hrd_params.hrd.buffer_size;
489 bp->nal.initial_cpb_removal_delay_offset[0] = 0;
491 sps->vui.nal_hrd_parameters_present_flag = 0;
492 sps->vui.low_delay_hrd_flag = 1 - sps->vui.fixed_frame_rate_flag;
495 sps->vui.bitstream_restriction_flag = 1;
496 sps->vui.motion_vectors_over_pic_boundaries_flag = 1;
497 sps->vui.log2_max_mv_length_horizontal = 15;
498 sps->vui.log2_max_mv_length_vertical = 15;
499 sps->vui.max_num_reorder_frames = ctx->max_b_depth;
500 sps->vui.max_dec_frame_buffering = ctx->max_b_depth + 1;
502 pps->nal_unit_header.nal_ref_idc = 3;
503 pps->nal_unit_header.nal_unit_type = H264_NAL_PPS;
505 pps->pic_parameter_set_id = 0;
506 pps->seq_parameter_set_id = 0;
508 pps->entropy_coding_mode_flag =
509 !(sps->profile_idc == FF_PROFILE_H264_BASELINE ||
510 sps->profile_idc == FF_PROFILE_H264_EXTENDED ||
511 sps->profile_idc == FF_PROFILE_H264_CAVLC_444);
512 if (!priv->coder && pps->entropy_coding_mode_flag)
513 pps->entropy_coding_mode_flag = 0;
515 pps->num_ref_idx_l0_default_active_minus1 = 0;
516 pps->num_ref_idx_l1_default_active_minus1 = 0;
518 pps->pic_init_qp_minus26 = priv->fixed_qp_idr - 26;
520 if (sps->profile_idc == FF_PROFILE_H264_BASELINE ||
521 sps->profile_idc == FF_PROFILE_H264_EXTENDED ||
522 sps->profile_idc == FF_PROFILE_H264_MAIN) {
523 pps->more_rbsp_data = 0;
525 pps->more_rbsp_data = 1;
527 pps->transform_8x8_mode_flag = 1;
530 *vseq = (VAEncSequenceParameterBufferH264) {
531 .seq_parameter_set_id = sps->seq_parameter_set_id,
532 .level_idc = sps->level_idc,
533 .intra_period = ctx->gop_size,
534 .intra_idr_period = ctx->gop_size,
535 .ip_period = ctx->b_per_p + 1,
537 .bits_per_second = ctx->va_bit_rate,
538 .max_num_ref_frames = sps->max_num_ref_frames,
539 .picture_width_in_mbs = sps->pic_width_in_mbs_minus1 + 1,
540 .picture_height_in_mbs = sps->pic_height_in_map_units_minus1 + 1,
543 .chroma_format_idc = sps->chroma_format_idc,
544 .frame_mbs_only_flag = sps->frame_mbs_only_flag,
545 .mb_adaptive_frame_field_flag = sps->mb_adaptive_frame_field_flag,
546 .seq_scaling_matrix_present_flag = sps->seq_scaling_matrix_present_flag,
547 .direct_8x8_inference_flag = sps->direct_8x8_inference_flag,
548 .log2_max_frame_num_minus4 = sps->log2_max_frame_num_minus4,
549 .pic_order_cnt_type = sps->pic_order_cnt_type,
550 .log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_pic_order_cnt_lsb_minus4,
551 .delta_pic_order_always_zero_flag = sps->delta_pic_order_always_zero_flag,
554 .bit_depth_luma_minus8 = sps->bit_depth_luma_minus8,
555 .bit_depth_chroma_minus8 = sps->bit_depth_chroma_minus8,
557 .frame_cropping_flag = sps->frame_cropping_flag,
558 .frame_crop_left_offset = sps->frame_crop_left_offset,
559 .frame_crop_right_offset = sps->frame_crop_right_offset,
560 .frame_crop_top_offset = sps->frame_crop_top_offset,
561 .frame_crop_bottom_offset = sps->frame_crop_bottom_offset,
563 .vui_parameters_present_flag = sps->vui_parameters_present_flag,
566 .aspect_ratio_info_present_flag = sps->vui.aspect_ratio_info_present_flag,
567 .timing_info_present_flag = sps->vui.timing_info_present_flag,
568 .bitstream_restriction_flag = sps->vui.bitstream_restriction_flag,
569 .log2_max_mv_length_horizontal = sps->vui.log2_max_mv_length_horizontal,
570 .log2_max_mv_length_vertical = sps->vui.log2_max_mv_length_vertical,
573 .aspect_ratio_idc = sps->vui.aspect_ratio_idc,
574 .sar_width = sps->vui.sar_width,
575 .sar_height = sps->vui.sar_height,
576 .num_units_in_tick = sps->vui.num_units_in_tick,
577 .time_scale = sps->vui.time_scale,
580 *vpic = (VAEncPictureParameterBufferH264) {
582 .picture_id = VA_INVALID_ID,
583 .flags = VA_PICTURE_H264_INVALID,
586 .coded_buf = VA_INVALID_ID,
588 .pic_parameter_set_id = pps->pic_parameter_set_id,
589 .seq_parameter_set_id = pps->seq_parameter_set_id,
591 .pic_init_qp = pps->pic_init_qp_minus26 + 26,
592 .num_ref_idx_l0_active_minus1 = pps->num_ref_idx_l0_default_active_minus1,
593 .num_ref_idx_l1_active_minus1 = pps->num_ref_idx_l1_default_active_minus1,
595 .chroma_qp_index_offset = pps->chroma_qp_index_offset,
596 .second_chroma_qp_index_offset = pps->second_chroma_qp_index_offset,
599 .entropy_coding_mode_flag = pps->entropy_coding_mode_flag,
600 .weighted_pred_flag = pps->weighted_pred_flag,
601 .weighted_bipred_idc = pps->weighted_bipred_idc,
602 .constrained_intra_pred_flag = pps->constrained_intra_pred_flag,
603 .transform_8x8_mode_flag = pps->transform_8x8_mode_flag,
604 .deblocking_filter_control_present_flag =
605 pps->deblocking_filter_control_present_flag,
606 .redundant_pic_cnt_present_flag = pps->redundant_pic_cnt_present_flag,
607 .pic_order_present_flag =
608 pps->bottom_field_pic_order_in_frame_present_flag,
609 .pic_scaling_matrix_present_flag = pps->pic_scaling_matrix_present_flag,
616 static int vaapi_encode_h264_init_picture_params(AVCodecContext *avctx,
617 VAAPIEncodePicture *pic)
619 VAAPIEncodeContext *ctx = avctx->priv_data;
620 VAAPIEncodeH264Context *priv = avctx->priv_data;
621 VAAPIEncodeH264Picture *hpic = pic->priv_data;
622 VAAPIEncodePicture *prev = pic->prev;
623 VAAPIEncodeH264Picture *hprev = prev ? prev->priv_data : NULL;
624 VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
627 memset(&priv->current_access_unit, 0,
628 sizeof(priv->current_access_unit));
630 if (pic->type == PICTURE_TYPE_IDR) {
631 av_assert0(pic->display_order == pic->encode_order);
634 hpic->last_idr_frame = pic->display_order;
635 hpic->idr_pic_id = hprev ? hprev->idr_pic_id + 1 : 0;
637 hpic->primary_pic_type = 0;
638 hpic->slice_type = 7;
642 hpic->frame_num = hprev->frame_num + prev->is_reference;
644 hpic->last_idr_frame = hprev->last_idr_frame;
645 hpic->idr_pic_id = hprev->idr_pic_id;
647 if (pic->type == PICTURE_TYPE_I) {
648 hpic->slice_type = 7;
649 hpic->primary_pic_type = 0;
650 } else if (pic->type == PICTURE_TYPE_P) {
651 hpic->slice_type = 5;
652 hpic->primary_pic_type = 1;
654 hpic->slice_type = 6;
655 hpic->primary_pic_type = 2;
658 hpic->pic_order_cnt = pic->display_order - hpic->last_idr_frame;
659 hpic->dpb_delay = pic->display_order - pic->encode_order + ctx->max_b_depth;
660 hpic->cpb_delay = pic->encode_order - hpic->last_idr_frame;
663 priv->aud_needed = 1;
664 priv->raw_aud = (H264RawAUD) {
666 .nal_unit_type = H264_NAL_AUD,
668 .primary_pic_type = hpic->primary_pic_type,
671 priv->aud_needed = 0;
674 priv->sei_needed = 0;
676 if (priv->sei & SEI_IDENTIFIER && pic->encode_order == 0)
677 priv->sei_needed |= SEI_IDENTIFIER;
679 if (ctx->va_rc_mode == VA_RC_CBR)
680 priv->sei_cbr_workaround_needed = 1;
683 if (priv->sei & SEI_TIMING) {
684 priv->sei_pic_timing = (H264RawSEIPicTiming) {
685 .cpb_removal_delay = 2 * hpic->cpb_delay,
686 .dpb_output_delay = 2 * hpic->dpb_delay,
689 priv->sei_needed |= SEI_TIMING;
692 if (priv->sei & SEI_RECOVERY_POINT && pic->type == PICTURE_TYPE_I) {
693 priv->sei_recovery_point = (H264RawSEIRecoveryPoint) {
694 .recovery_frame_cnt = 0,
695 .exact_match_flag = 1,
696 .broken_link_flag = ctx->b_per_p > 0,
699 priv->sei_needed |= SEI_RECOVERY_POINT;
702 vpic->CurrPic = (VAPictureH264) {
703 .picture_id = pic->recon_surface,
704 .frame_idx = hpic->frame_num,
706 .TopFieldOrderCnt = hpic->pic_order_cnt,
707 .BottomFieldOrderCnt = hpic->pic_order_cnt,
710 for (i = 0; i < pic->nb_refs; i++) {
711 VAAPIEncodePicture *ref = pic->refs[i];
712 VAAPIEncodeH264Picture *href;
714 av_assert0(ref && ref->encode_order < pic->encode_order);
715 href = ref->priv_data;
717 vpic->ReferenceFrames[i] = (VAPictureH264) {
718 .picture_id = ref->recon_surface,
719 .frame_idx = href->frame_num,
720 .flags = VA_PICTURE_H264_SHORT_TERM_REFERENCE,
721 .TopFieldOrderCnt = href->pic_order_cnt,
722 .BottomFieldOrderCnt = href->pic_order_cnt,
725 for (; i < FF_ARRAY_ELEMS(vpic->ReferenceFrames); i++) {
726 vpic->ReferenceFrames[i] = (VAPictureH264) {
727 .picture_id = VA_INVALID_ID,
728 .flags = VA_PICTURE_H264_INVALID,
732 vpic->coded_buf = pic->output_buffer;
734 vpic->frame_num = hpic->frame_num;
736 vpic->pic_fields.bits.idr_pic_flag = (pic->type == PICTURE_TYPE_IDR);
737 vpic->pic_fields.bits.reference_pic_flag = (pic->type != PICTURE_TYPE_B);
742 static void vaapi_encode_h264_default_ref_pic_list(AVCodecContext *avctx,
743 VAAPIEncodePicture *pic,
744 VAAPIEncodePicture **rpl0,
745 VAAPIEncodePicture **rpl1,
748 VAAPIEncodePicture *prev;
749 VAAPIEncodeH264Picture *hp, *hn, *hc;
756 for (i = 0; i < pic->prev->nb_dpb_pics; i++) {
757 hn = prev->dpb[i]->priv_data;
758 av_assert0(hn->frame_num < hp->frame_num);
760 if (pic->type == PICTURE_TYPE_P) {
761 for (j = n; j > 0; j--) {
762 hc = rpl0[j - 1]->priv_data;
763 av_assert0(hc->frame_num != hn->frame_num);
764 if (hc->frame_num > hn->frame_num)
766 rpl0[j] = rpl0[j - 1];
768 rpl0[j] = prev->dpb[i];
770 } else if (pic->type == PICTURE_TYPE_B) {
771 for (j = n; j > 0; j--) {
772 hc = rpl0[j - 1]->priv_data;
773 av_assert0(hc->pic_order_cnt != hp->pic_order_cnt);
774 if (hc->pic_order_cnt < hp->pic_order_cnt) {
775 if (hn->pic_order_cnt > hp->pic_order_cnt ||
776 hn->pic_order_cnt < hc->pic_order_cnt)
779 if (hn->pic_order_cnt > hc->pic_order_cnt)
782 rpl0[j] = rpl0[j - 1];
784 rpl0[j] = prev->dpb[i];
786 for (j = n; j > 0; j--) {
787 hc = rpl1[j - 1]->priv_data;
788 av_assert0(hc->pic_order_cnt != hp->pic_order_cnt);
789 if (hc->pic_order_cnt > hp->pic_order_cnt) {
790 if (hn->pic_order_cnt < hp->pic_order_cnt ||
791 hn->pic_order_cnt > hc->pic_order_cnt)
794 if (hn->pic_order_cnt < hc->pic_order_cnt)
797 rpl1[j] = rpl1[j - 1];
799 rpl1[j] = prev->dpb[i];
805 if (pic->type == PICTURE_TYPE_B) {
806 for (i = 0; i < n; i++) {
807 if (rpl0[i] != rpl1[i])
811 FFSWAP(VAAPIEncodePicture*, rpl1[0], rpl1[1]);
814 if (pic->type == PICTURE_TYPE_P ||
815 pic->type == PICTURE_TYPE_B) {
816 av_log(avctx, AV_LOG_DEBUG, "Default RefPicList0 for fn=%d/poc=%d:",
817 hp->frame_num, hp->pic_order_cnt);
818 for (i = 0; i < n; i++) {
819 hn = rpl0[i]->priv_data;
820 av_log(avctx, AV_LOG_DEBUG, " fn=%d/poc=%d",
821 hn->frame_num, hn->pic_order_cnt);
823 av_log(avctx, AV_LOG_DEBUG, "\n");
825 if (pic->type == PICTURE_TYPE_B) {
826 av_log(avctx, AV_LOG_DEBUG, "Default RefPicList1 for fn=%d/poc=%d:",
827 hp->frame_num, hp->pic_order_cnt);
828 for (i = 0; i < n; i++) {
829 hn = rpl1[i]->priv_data;
830 av_log(avctx, AV_LOG_DEBUG, " fn=%d/poc=%d",
831 hn->frame_num, hn->pic_order_cnt);
833 av_log(avctx, AV_LOG_DEBUG, "\n");
839 static int vaapi_encode_h264_init_slice_params(AVCodecContext *avctx,
840 VAAPIEncodePicture *pic,
841 VAAPIEncodeSlice *slice)
843 VAAPIEncodeH264Context *priv = avctx->priv_data;
844 VAAPIEncodeH264Picture *hpic = pic->priv_data;
845 VAAPIEncodePicture *prev = pic->prev;
846 H264RawSPS *sps = &priv->raw_sps;
847 H264RawPPS *pps = &priv->raw_pps;
848 H264RawSliceHeader *sh = &priv->raw_slice.header;
849 VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
850 VAEncSliceParameterBufferH264 *vslice = slice->codec_slice_params;
853 if (pic->type == PICTURE_TYPE_IDR) {
854 sh->nal_unit_header.nal_unit_type = H264_NAL_IDR_SLICE;
855 sh->nal_unit_header.nal_ref_idc = 3;
857 sh->nal_unit_header.nal_unit_type = H264_NAL_SLICE;
858 sh->nal_unit_header.nal_ref_idc = pic->is_reference;
861 sh->first_mb_in_slice = slice->block_start;
862 sh->slice_type = hpic->slice_type;
864 sh->pic_parameter_set_id = pps->pic_parameter_set_id;
866 sh->frame_num = hpic->frame_num &
867 ((1 << (4 + sps->log2_max_frame_num_minus4)) - 1);
868 sh->idr_pic_id = hpic->idr_pic_id;
869 sh->pic_order_cnt_lsb = hpic->pic_order_cnt &
870 ((1 << (4 + sps->log2_max_pic_order_cnt_lsb_minus4)) - 1);
872 sh->direct_spatial_mv_pred_flag = 1;
874 if (pic->type == PICTURE_TYPE_B)
875 sh->slice_qp_delta = priv->fixed_qp_b - (pps->pic_init_qp_minus26 + 26);
876 else if (pic->type == PICTURE_TYPE_P)
877 sh->slice_qp_delta = priv->fixed_qp_p - (pps->pic_init_qp_minus26 + 26);
879 sh->slice_qp_delta = priv->fixed_qp_idr - (pps->pic_init_qp_minus26 + 26);
881 if (pic->is_reference && pic->type != PICTURE_TYPE_IDR) {
882 VAAPIEncodePicture *discard_list[MAX_DPB_SIZE];
883 int discard = 0, keep = 0;
885 // Discard everything which is in the DPB of the previous frame but
886 // not in the DPB of this one.
887 for (i = 0; i < prev->nb_dpb_pics; i++) {
888 for (j = 0; j < pic->nb_dpb_pics; j++) {
889 if (prev->dpb[i] == pic->dpb[j])
892 if (j == pic->nb_dpb_pics) {
893 discard_list[discard] = prev->dpb[i];
899 av_assert0(keep <= priv->dpb_frames);
902 sh->adaptive_ref_pic_marking_mode_flag = 0;
904 sh->adaptive_ref_pic_marking_mode_flag = 1;
905 for (i = 0; i < discard; i++) {
906 VAAPIEncodeH264Picture *old = discard_list[i]->priv_data;
907 av_assert0(old->frame_num < hpic->frame_num);
908 sh->mmco[i].memory_management_control_operation = 1;
909 sh->mmco[i].difference_of_pic_nums_minus1 =
910 hpic->frame_num - old->frame_num - 1;
912 sh->mmco[i].memory_management_control_operation = 0;
916 // If the intended references are not the first entries of RefPicListN
917 // by default, use ref-pic-list-modification to move them there.
918 if (pic->type == PICTURE_TYPE_P || pic->type == PICTURE_TYPE_B) {
919 VAAPIEncodePicture *def_l0[MAX_DPB_SIZE], *def_l1[MAX_DPB_SIZE];
920 VAAPIEncodeH264Picture *href;
923 vaapi_encode_h264_default_ref_pic_list(avctx, pic,
926 if (pic->type == PICTURE_TYPE_P) {
928 for (i = 0; i < pic->nb_refs; i++) {
929 av_assert0(pic->refs[i]);
930 if (pic->refs[i] != def_l0[i])
934 sh->ref_pic_list_modification_flag_l0 = need_rplm;
936 int pic_num = hpic->frame_num;
937 for (i = 0; i < pic->nb_refs; i++) {
938 href = pic->refs[i]->priv_data;
939 av_assert0(href->frame_num != pic_num);
940 if (href->frame_num < pic_num) {
941 sh->rplm_l0[i].modification_of_pic_nums_idc = 0;
942 sh->rplm_l0[i].abs_diff_pic_num_minus1 =
943 pic_num - href->frame_num - 1;
945 sh->rplm_l0[i].modification_of_pic_nums_idc = 1;
946 sh->rplm_l0[i].abs_diff_pic_num_minus1 =
947 href->frame_num - pic_num - 1;
949 pic_num = href->frame_num;
951 sh->rplm_l0[i].modification_of_pic_nums_idc = 3;
955 int need_rplm_l0 = 0, need_rplm_l1 = 0;
957 for (i = 0; i < pic->nb_refs; i++) {
958 av_assert0(pic->refs[i]);
959 href = pic->refs[i]->priv_data;
960 av_assert0(href->pic_order_cnt != hpic->pic_order_cnt);
961 if (href->pic_order_cnt < hpic->pic_order_cnt) {
962 if (pic->refs[i] != def_l0[n0])
966 if (pic->refs[i] != def_l1[n1])
972 sh->ref_pic_list_modification_flag_l0 = need_rplm_l0;
974 int pic_num = hpic->frame_num;
975 for (i = j = 0; i < pic->nb_refs; i++) {
976 href = pic->refs[i]->priv_data;
977 if (href->pic_order_cnt > hpic->pic_order_cnt)
979 av_assert0(href->frame_num != pic_num);
980 if (href->frame_num < pic_num) {
981 sh->rplm_l0[j].modification_of_pic_nums_idc = 0;
982 sh->rplm_l0[j].abs_diff_pic_num_minus1 =
983 pic_num - href->frame_num - 1;
985 sh->rplm_l0[j].modification_of_pic_nums_idc = 1;
986 sh->rplm_l0[j].abs_diff_pic_num_minus1 =
987 href->frame_num - pic_num - 1;
989 pic_num = href->frame_num;
993 sh->rplm_l0[j].modification_of_pic_nums_idc = 3;
996 sh->ref_pic_list_modification_flag_l1 = need_rplm_l1;
998 int pic_num = hpic->frame_num;
999 for (i = j = 0; i < pic->nb_refs; i++) {
1000 href = pic->refs[i]->priv_data;
1001 if (href->pic_order_cnt < hpic->pic_order_cnt)
1003 av_assert0(href->frame_num != pic_num);
1004 if (href->frame_num < pic_num) {
1005 sh->rplm_l1[j].modification_of_pic_nums_idc = 0;
1006 sh->rplm_l1[j].abs_diff_pic_num_minus1 =
1007 pic_num - href->frame_num - 1;
1009 sh->rplm_l1[j].modification_of_pic_nums_idc = 1;
1010 sh->rplm_l1[j].abs_diff_pic_num_minus1 =
1011 href->frame_num - pic_num - 1;
1013 pic_num = href->frame_num;
1016 av_assert0(j == n1);
1017 sh->rplm_l1[j].modification_of_pic_nums_idc = 3;
1022 vslice->macroblock_address = slice->block_start;
1023 vslice->num_macroblocks = slice->block_size;
1025 vslice->macroblock_info = VA_INVALID_ID;
1027 vslice->slice_type = sh->slice_type % 5;
1028 vslice->pic_parameter_set_id = sh->pic_parameter_set_id;
1029 vslice->idr_pic_id = sh->idr_pic_id;
1031 vslice->pic_order_cnt_lsb = sh->pic_order_cnt_lsb;
1033 vslice->direct_spatial_mv_pred_flag = sh->direct_spatial_mv_pred_flag;
1035 for (i = 0; i < FF_ARRAY_ELEMS(vslice->RefPicList0); i++) {
1036 vslice->RefPicList0[i].picture_id = VA_INVALID_ID;
1037 vslice->RefPicList0[i].flags = VA_PICTURE_H264_INVALID;
1038 vslice->RefPicList1[i].picture_id = VA_INVALID_ID;
1039 vslice->RefPicList1[i].flags = VA_PICTURE_H264_INVALID;
1042 av_assert0(pic->nb_refs <= 2);
1043 if (pic->nb_refs >= 1) {
1044 // Backward reference for P- or B-frame.
1045 av_assert0(pic->type == PICTURE_TYPE_P ||
1046 pic->type == PICTURE_TYPE_B);
1047 vslice->RefPicList0[0] = vpic->ReferenceFrames[0];
1049 if (pic->nb_refs >= 2) {
1050 // Forward reference for B-frame.
1051 av_assert0(pic->type == PICTURE_TYPE_B);
1052 vslice->RefPicList1[0] = vpic->ReferenceFrames[1];
1055 vslice->slice_qp_delta = sh->slice_qp_delta;
1060 static av_cold int vaapi_encode_h264_configure(AVCodecContext *avctx)
1062 VAAPIEncodeContext *ctx = avctx->priv_data;
1063 VAAPIEncodeH264Context *priv = avctx->priv_data;
1066 err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_H264, avctx);
1070 priv->mb_width = FFALIGN(avctx->width, 16) / 16;
1071 priv->mb_height = FFALIGN(avctx->height, 16) / 16;
1073 if (ctx->va_rc_mode == VA_RC_CQP) {
1074 priv->fixed_qp_p = priv->qp;
1075 if (avctx->i_quant_factor > 0.0)
1076 priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor +
1077 avctx->i_quant_offset) + 0.5);
1079 priv->fixed_qp_idr = priv->fixed_qp_p;
1080 if (avctx->b_quant_factor > 0.0)
1081 priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor +
1082 avctx->b_quant_offset) + 0.5);
1084 priv->fixed_qp_b = priv->fixed_qp_p;
1086 priv->sei &= ~SEI_TIMING;
1088 av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "
1089 "%d / %d / %d for IDR- / P- / B-frames.\n",
1090 priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
1092 } else if (ctx->va_rc_mode == VA_RC_CBR ||
1093 ctx->va_rc_mode == VA_RC_VBR) {
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 av_assert0(0 && "Invalid RC mode.");
1103 if (priv->sei & SEI_IDENTIFIER) {
1104 const char *lavc = LIBAVCODEC_IDENT;
1105 const char *vaapi = VA_VERSION_S;
1109 memcpy(priv->sei_identifier.uuid_iso_iec_11578,
1110 vaapi_encode_h264_sei_identifier_uuid,
1111 sizeof(priv->sei_identifier.uuid_iso_iec_11578));
1113 driver = vaQueryVendorString(ctx->hwctx->display);
1115 driver = "unknown driver";
1117 len = snprintf(NULL, 0, "%s / VAAPI %s / %s", lavc, vaapi, driver);
1119 priv->sei_identifier_string = av_malloc(len + 1);
1120 if (!priv->sei_identifier_string)
1121 return AVERROR(ENOMEM);
1123 snprintf(priv->sei_identifier_string, len + 1,
1124 "%s / VAAPI %s / %s", lavc, vaapi, driver);
1126 priv->sei_identifier.data = priv->sei_identifier_string;
1127 priv->sei_identifier.data_length = len + 1;
1134 static const VAAPIEncodeProfile vaapi_encode_h264_profiles[] = {
1135 { FF_PROFILE_H264_HIGH, 8, 3, 1, 1, VAProfileH264High },
1136 { FF_PROFILE_H264_MAIN, 8, 3, 1, 1, VAProfileH264Main },
1137 { FF_PROFILE_H264_CONSTRAINED_BASELINE,
1138 8, 3, 1, 1, VAProfileH264ConstrainedBaseline },
1139 { FF_PROFILE_UNKNOWN }
1142 static const VAAPIEncodeType vaapi_encode_type_h264 = {
1143 .profiles = vaapi_encode_h264_profiles,
1145 .flags = FLAG_SLICE_CONTROL |
1147 FLAG_B_PICTURE_REFERENCES |
1148 FLAG_NON_IDR_KEY_PICTURES,
1150 .configure = &vaapi_encode_h264_configure,
1152 .picture_priv_data_size = sizeof(VAAPIEncodeH264Picture),
1154 .sequence_params_size = sizeof(VAEncSequenceParameterBufferH264),
1155 .init_sequence_params = &vaapi_encode_h264_init_sequence_params,
1157 .picture_params_size = sizeof(VAEncPictureParameterBufferH264),
1158 .init_picture_params = &vaapi_encode_h264_init_picture_params,
1160 .slice_params_size = sizeof(VAEncSliceParameterBufferH264),
1161 .init_slice_params = &vaapi_encode_h264_init_slice_params,
1163 .sequence_header_type = VAEncPackedHeaderSequence,
1164 .write_sequence_header = &vaapi_encode_h264_write_sequence_header,
1166 .slice_header_type = VAEncPackedHeaderH264_Slice,
1167 .write_slice_header = &vaapi_encode_h264_write_slice_header,
1169 .write_extra_header = &vaapi_encode_h264_write_extra_header,
1172 static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx)
1174 VAAPIEncodeContext *ctx = avctx->priv_data;
1175 VAAPIEncodeH264Context *priv = avctx->priv_data;
1177 ctx->codec = &vaapi_encode_type_h264;
1179 if (avctx->profile == FF_PROFILE_UNKNOWN)
1180 avctx->profile = priv->profile;
1181 if (avctx->level == FF_LEVEL_UNKNOWN)
1182 avctx->level = priv->level;
1183 if (avctx->compression_level == FF_COMPRESSION_DEFAULT)
1184 avctx->compression_level = priv->quality;
1186 // Reject unsupported profiles.
1187 switch (avctx->profile) {
1188 case FF_PROFILE_H264_BASELINE:
1189 av_log(avctx, AV_LOG_WARNING, "H.264 baseline profile is not "
1190 "supported, using constrained baseline profile instead.\n");
1191 avctx->profile = FF_PROFILE_H264_CONSTRAINED_BASELINE;
1193 case FF_PROFILE_H264_EXTENDED:
1194 av_log(avctx, AV_LOG_ERROR, "H.264 extended profile "
1195 "is not supported.\n");
1196 return AVERROR_PATCHWELCOME;
1197 case FF_PROFILE_H264_HIGH_10:
1198 case FF_PROFILE_H264_HIGH_10_INTRA:
1199 av_log(avctx, AV_LOG_ERROR, "H.264 10-bit profiles "
1200 "are not supported.\n");
1201 return AVERROR_PATCHWELCOME;
1202 case FF_PROFILE_H264_HIGH_422:
1203 case FF_PROFILE_H264_HIGH_422_INTRA:
1204 case FF_PROFILE_H264_HIGH_444:
1205 case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
1206 case FF_PROFILE_H264_HIGH_444_INTRA:
1207 case FF_PROFILE_H264_CAVLC_444:
1208 av_log(avctx, AV_LOG_ERROR, "H.264 non-4:2:0 profiles "
1209 "are not supported.\n");
1210 return AVERROR_PATCHWELCOME;
1213 if (avctx->level != FF_LEVEL_UNKNOWN && avctx->level & ~0xff) {
1214 av_log(avctx, AV_LOG_ERROR, "Invalid level %d: must fit "
1215 "in 8-bit unsigned integer.\n", avctx->level);
1216 return AVERROR(EINVAL);
1219 ctx->desired_packed_headers =
1220 VA_ENC_PACKED_HEADER_SEQUENCE | // SPS and PPS.
1221 VA_ENC_PACKED_HEADER_SLICE | // Slice headers.
1222 VA_ENC_PACKED_HEADER_MISC; // SEI.
1224 ctx->surface_width = FFALIGN(avctx->width, 16);
1225 ctx->surface_height = FFALIGN(avctx->height, 16);
1227 ctx->slice_block_height = ctx->slice_block_width = 16;
1229 return ff_vaapi_encode_init(avctx);
1232 static av_cold int vaapi_encode_h264_close(AVCodecContext *avctx)
1234 VAAPIEncodeH264Context *priv = avctx->priv_data;
1236 ff_cbs_close(&priv->cbc);
1237 av_freep(&priv->sei_identifier_string);
1239 return ff_vaapi_encode_close(avctx);
1242 #define OFFSET(x) offsetof(VAAPIEncodeH264Context, x)
1243 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
1244 static const AVOption vaapi_encode_h264_options[] = {
1245 VAAPI_ENCODE_COMMON_OPTIONS,
1247 { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
1248 OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 20 }, 0, 52, FLAGS },
1249 { "quality", "Set encode quality (trades off against speed, higher is faster)",
1250 OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
1251 { "coder", "Entropy coder type",
1252 OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, FLAGS, "coder" },
1253 { "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1254 { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1255 { "vlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1256 { "ac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1258 { "aud", "Include AUD",
1259 OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
1261 { "sei", "Set SEI to include",
1262 OFFSET(sei), AV_OPT_TYPE_FLAGS,
1263 { .i64 = SEI_IDENTIFIER | SEI_TIMING | SEI_RECOVERY_POINT },
1264 0, INT_MAX, FLAGS, "sei" },
1265 { "identifier", "Include encoder version identifier",
1266 0, AV_OPT_TYPE_CONST, { .i64 = SEI_IDENTIFIER },
1267 INT_MIN, INT_MAX, FLAGS, "sei" },
1268 { "timing", "Include timing parameters (buffering_period and pic_timing)",
1269 0, AV_OPT_TYPE_CONST, { .i64 = SEI_TIMING },
1270 INT_MIN, INT_MAX, FLAGS, "sei" },
1271 { "recovery_point", "Include recovery points where appropriate",
1272 0, AV_OPT_TYPE_CONST, { .i64 = SEI_RECOVERY_POINT },
1273 INT_MIN, INT_MAX, FLAGS, "sei" },
1275 { "profile", "Set profile (profile_idc and constraint_set*_flag)",
1276 OFFSET(profile), AV_OPT_TYPE_INT,
1277 { .i64 = FF_PROFILE_UNKNOWN }, FF_PROFILE_UNKNOWN, 0xffff, FLAGS, "profile" },
1279 #define PROFILE(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
1280 { .i64 = value }, 0, 0, FLAGS, "profile"
1281 { PROFILE("constrained_baseline", FF_PROFILE_H264_CONSTRAINED_BASELINE) },
1282 { PROFILE("main", FF_PROFILE_H264_MAIN) },
1283 { PROFILE("high", FF_PROFILE_H264_HIGH) },
1286 { "level", "Set level (level_idc)",
1287 OFFSET(level), AV_OPT_TYPE_INT,
1288 { .i64 = FF_LEVEL_UNKNOWN }, FF_LEVEL_UNKNOWN, 0xff, FLAGS, "level" },
1290 #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
1291 { .i64 = value }, 0, 0, FLAGS, "level"
1293 { LEVEL("1.1", 11) },
1294 { LEVEL("1.2", 12) },
1295 { LEVEL("1.3", 13) },
1297 { LEVEL("2.1", 21) },
1298 { LEVEL("2.2", 22) },
1300 { LEVEL("3.1", 31) },
1301 { LEVEL("3.2", 32) },
1303 { LEVEL("4.1", 41) },
1304 { LEVEL("4.2", 42) },
1306 { LEVEL("5.1", 51) },
1307 { LEVEL("5.2", 52) },
1309 { LEVEL("6.1", 61) },
1310 { LEVEL("6.2", 62) },
1316 static const AVCodecDefault vaapi_encode_h264_defaults[] = {
1320 { "i_qfactor", "1" },
1321 { "i_qoffset", "0" },
1322 { "b_qfactor", "6/5" },
1323 { "b_qoffset", "0" },
1329 static const AVClass vaapi_encode_h264_class = {
1330 .class_name = "h264_vaapi",
1331 .item_name = av_default_item_name,
1332 .option = vaapi_encode_h264_options,
1333 .version = LIBAVUTIL_VERSION_INT,
1336 AVCodec ff_h264_vaapi_encoder = {
1337 .name = "h264_vaapi",
1338 .long_name = NULL_IF_CONFIG_SMALL("H.264/AVC (VAAPI)"),
1339 .type = AVMEDIA_TYPE_VIDEO,
1340 .id = AV_CODEC_ID_H264,
1341 .priv_data_size = sizeof(VAAPIEncodeH264Context),
1342 .init = &vaapi_encode_h264_init,
1343 .send_frame = &ff_vaapi_encode_send_frame,
1344 .receive_packet = &ff_vaapi_encode_receive_packet,
1345 .close = &vaapi_encode_h264_close,
1346 .priv_class = &vaapi_encode_h264_class,
1347 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
1348 .defaults = vaapi_encode_h264_defaults,
1349 .pix_fmts = (const enum AVPixelFormat[]) {
1353 .wrapper_name = "vaapi",