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;
333 level = ff_h264_guess_level(sps->profile_idc,
336 priv->mb_height * 16,
339 av_log(avctx, AV_LOG_VERBOSE, "Using level %s.\n", level->name);
340 if (level->constraint_set3_flag)
341 sps->constraint_set3_flag = 1;
342 sps->level_idc = level->level_idc;
344 av_log(avctx, AV_LOG_WARNING, "Stream will not conform "
345 "to any level: using level 6.2.\n");
350 sps->seq_parameter_set_id = 0;
351 sps->chroma_format_idc = 1;
353 sps->log2_max_frame_num_minus4 = 4;
354 sps->pic_order_cnt_type = 0;
355 sps->log2_max_pic_order_cnt_lsb_minus4 = 4;
357 sps->max_num_ref_frames = priv->dpb_frames;
359 sps->pic_width_in_mbs_minus1 = priv->mb_width - 1;
360 sps->pic_height_in_map_units_minus1 = priv->mb_height - 1;
362 sps->frame_mbs_only_flag = 1;
363 sps->direct_8x8_inference_flag = 1;
365 if (avctx->width != 16 * priv->mb_width ||
366 avctx->height != 16 * priv->mb_height) {
367 sps->frame_cropping_flag = 1;
369 sps->frame_crop_left_offset = 0;
370 sps->frame_crop_right_offset =
371 (16 * priv->mb_width - avctx->width) / 2;
372 sps->frame_crop_top_offset = 0;
373 sps->frame_crop_bottom_offset =
374 (16 * priv->mb_height - avctx->height) / 2;
376 sps->frame_cropping_flag = 0;
379 sps->vui_parameters_present_flag = 1;
381 if (avctx->sample_aspect_ratio.num != 0 &&
382 avctx->sample_aspect_ratio.den != 0) {
383 static const AVRational sar_idc[] = {
385 { 1, 1 }, { 12, 11 }, { 10, 11 }, { 16, 11 },
386 { 40, 33 }, { 24, 11 }, { 20, 11 }, { 32, 11 },
387 { 80, 33 }, { 18, 11 }, { 15, 11 }, { 64, 33 },
388 { 160, 99 }, { 4, 3 }, { 3, 2 }, { 2, 1 },
391 av_reduce(&num, &den, avctx->sample_aspect_ratio.num,
392 avctx->sample_aspect_ratio.den, 65535);
393 for (i = 0; i < FF_ARRAY_ELEMS(sar_idc); i++) {
394 if (num == sar_idc[i].num &&
395 den == sar_idc[i].den) {
396 sps->vui.aspect_ratio_idc = i;
400 if (i >= FF_ARRAY_ELEMS(sar_idc)) {
401 sps->vui.aspect_ratio_idc = 255;
402 sps->vui.sar_width = num;
403 sps->vui.sar_height = den;
405 sps->vui.aspect_ratio_info_present_flag = 1;
408 if (avctx->color_range != AVCOL_RANGE_UNSPECIFIED ||
409 avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
410 avctx->color_trc != AVCOL_TRC_UNSPECIFIED ||
411 avctx->colorspace != AVCOL_SPC_UNSPECIFIED) {
412 sps->vui.video_signal_type_present_flag = 1;
413 sps->vui.video_format = 5; // Unspecified.
414 sps->vui.video_full_range_flag =
415 avctx->color_range == AVCOL_RANGE_JPEG;
417 if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
418 avctx->color_trc != AVCOL_TRC_UNSPECIFIED ||
419 avctx->colorspace != AVCOL_SPC_UNSPECIFIED) {
420 sps->vui.colour_description_present_flag = 1;
421 sps->vui.colour_primaries = avctx->color_primaries;
422 sps->vui.transfer_characteristics = avctx->color_trc;
423 sps->vui.matrix_coefficients = avctx->colorspace;
426 sps->vui.video_format = 5;
427 sps->vui.video_full_range_flag = 0;
428 sps->vui.colour_primaries = avctx->color_primaries;
429 sps->vui.transfer_characteristics = avctx->color_trc;
430 sps->vui.matrix_coefficients = avctx->colorspace;
433 if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) {
434 sps->vui.chroma_loc_info_present_flag = 1;
435 sps->vui.chroma_sample_loc_type_top_field =
436 sps->vui.chroma_sample_loc_type_bottom_field =
437 avctx->chroma_sample_location - 1;
440 sps->vui.timing_info_present_flag = 1;
441 if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
442 sps->vui.num_units_in_tick = avctx->framerate.den;
443 sps->vui.time_scale = 2 * avctx->framerate.num;
444 sps->vui.fixed_frame_rate_flag = 1;
446 sps->vui.num_units_in_tick = avctx->time_base.num;
447 sps->vui.time_scale = 2 * avctx->time_base.den;
448 sps->vui.fixed_frame_rate_flag = 0;
451 if (priv->sei & SEI_TIMING) {
452 H264RawHRD *hrd = &sps->vui.nal_hrd_parameters;
453 H264RawSEIBufferingPeriod *bp = &priv->sei_buffering_period;
455 sps->vui.nal_hrd_parameters_present_flag = 1;
457 hrd->cpb_cnt_minus1 = 0;
459 // Try to scale these to a sensible range so that the
460 // golomb encode of the value is not overlong.
461 hrd->bit_rate_scale =
462 av_clip_uintp2(av_log2(ctx->va_bit_rate) - 15 - 6, 4);
463 hrd->bit_rate_value_minus1[0] =
464 (ctx->va_bit_rate >> hrd->bit_rate_scale + 6) - 1;
466 hrd->cpb_size_scale =
467 av_clip_uintp2(av_log2(ctx->hrd_params.hrd.buffer_size) - 15 - 4, 4);
468 hrd->cpb_size_value_minus1[0] =
469 (ctx->hrd_params.hrd.buffer_size >> hrd->cpb_size_scale + 4) - 1;
471 // CBR mode as defined for the HRD cannot be achieved without filler
472 // data, so this flag cannot be set even with VAAPI CBR modes.
473 hrd->cbr_flag[0] = 0;
475 hrd->initial_cpb_removal_delay_length_minus1 = 23;
476 hrd->cpb_removal_delay_length_minus1 = 23;
477 hrd->dpb_output_delay_length_minus1 = 7;
478 hrd->time_offset_length = 0;
480 bp->seq_parameter_set_id = sps->seq_parameter_set_id;
482 // This calculation can easily overflow 32 bits.
483 bp->nal.initial_cpb_removal_delay[0] = 90000 *
484 (uint64_t)ctx->hrd_params.hrd.initial_buffer_fullness /
485 ctx->hrd_params.hrd.buffer_size;
486 bp->nal.initial_cpb_removal_delay_offset[0] = 0;
488 sps->vui.nal_hrd_parameters_present_flag = 0;
489 sps->vui.low_delay_hrd_flag = 1 - sps->vui.fixed_frame_rate_flag;
492 sps->vui.bitstream_restriction_flag = 1;
493 sps->vui.motion_vectors_over_pic_boundaries_flag = 1;
494 sps->vui.log2_max_mv_length_horizontal = 15;
495 sps->vui.log2_max_mv_length_vertical = 15;
496 sps->vui.max_num_reorder_frames = ctx->max_b_depth;
497 sps->vui.max_dec_frame_buffering = ctx->max_b_depth + 1;
499 pps->nal_unit_header.nal_ref_idc = 3;
500 pps->nal_unit_header.nal_unit_type = H264_NAL_PPS;
502 pps->pic_parameter_set_id = 0;
503 pps->seq_parameter_set_id = 0;
505 pps->entropy_coding_mode_flag =
506 !(sps->profile_idc == FF_PROFILE_H264_BASELINE ||
507 sps->profile_idc == FF_PROFILE_H264_EXTENDED ||
508 sps->profile_idc == FF_PROFILE_H264_CAVLC_444);
509 if (!priv->coder && pps->entropy_coding_mode_flag)
510 pps->entropy_coding_mode_flag = 0;
512 pps->num_ref_idx_l0_default_active_minus1 = 0;
513 pps->num_ref_idx_l1_default_active_minus1 = 0;
515 pps->pic_init_qp_minus26 = priv->fixed_qp_idr - 26;
517 if (sps->profile_idc == FF_PROFILE_H264_BASELINE ||
518 sps->profile_idc == FF_PROFILE_H264_EXTENDED ||
519 sps->profile_idc == FF_PROFILE_H264_MAIN) {
520 pps->more_rbsp_data = 0;
522 pps->more_rbsp_data = 1;
524 pps->transform_8x8_mode_flag = 1;
527 *vseq = (VAEncSequenceParameterBufferH264) {
528 .seq_parameter_set_id = sps->seq_parameter_set_id,
529 .level_idc = sps->level_idc,
530 .intra_period = ctx->gop_size,
531 .intra_idr_period = ctx->gop_size,
532 .ip_period = ctx->b_per_p + 1,
534 .bits_per_second = ctx->va_bit_rate,
535 .max_num_ref_frames = sps->max_num_ref_frames,
536 .picture_width_in_mbs = sps->pic_width_in_mbs_minus1 + 1,
537 .picture_height_in_mbs = sps->pic_height_in_map_units_minus1 + 1,
540 .chroma_format_idc = sps->chroma_format_idc,
541 .frame_mbs_only_flag = sps->frame_mbs_only_flag,
542 .mb_adaptive_frame_field_flag = sps->mb_adaptive_frame_field_flag,
543 .seq_scaling_matrix_present_flag = sps->seq_scaling_matrix_present_flag,
544 .direct_8x8_inference_flag = sps->direct_8x8_inference_flag,
545 .log2_max_frame_num_minus4 = sps->log2_max_frame_num_minus4,
546 .pic_order_cnt_type = sps->pic_order_cnt_type,
547 .log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_pic_order_cnt_lsb_minus4,
548 .delta_pic_order_always_zero_flag = sps->delta_pic_order_always_zero_flag,
551 .bit_depth_luma_minus8 = sps->bit_depth_luma_minus8,
552 .bit_depth_chroma_minus8 = sps->bit_depth_chroma_minus8,
554 .frame_cropping_flag = sps->frame_cropping_flag,
555 .frame_crop_left_offset = sps->frame_crop_left_offset,
556 .frame_crop_right_offset = sps->frame_crop_right_offset,
557 .frame_crop_top_offset = sps->frame_crop_top_offset,
558 .frame_crop_bottom_offset = sps->frame_crop_bottom_offset,
560 .vui_parameters_present_flag = sps->vui_parameters_present_flag,
563 .aspect_ratio_info_present_flag = sps->vui.aspect_ratio_info_present_flag,
564 .timing_info_present_flag = sps->vui.timing_info_present_flag,
565 .bitstream_restriction_flag = sps->vui.bitstream_restriction_flag,
566 .log2_max_mv_length_horizontal = sps->vui.log2_max_mv_length_horizontal,
567 .log2_max_mv_length_vertical = sps->vui.log2_max_mv_length_vertical,
570 .aspect_ratio_idc = sps->vui.aspect_ratio_idc,
571 .sar_width = sps->vui.sar_width,
572 .sar_height = sps->vui.sar_height,
573 .num_units_in_tick = sps->vui.num_units_in_tick,
574 .time_scale = sps->vui.time_scale,
577 *vpic = (VAEncPictureParameterBufferH264) {
579 .picture_id = VA_INVALID_ID,
580 .flags = VA_PICTURE_H264_INVALID,
583 .coded_buf = VA_INVALID_ID,
585 .pic_parameter_set_id = pps->pic_parameter_set_id,
586 .seq_parameter_set_id = pps->seq_parameter_set_id,
588 .pic_init_qp = pps->pic_init_qp_minus26 + 26,
589 .num_ref_idx_l0_active_minus1 = pps->num_ref_idx_l0_default_active_minus1,
590 .num_ref_idx_l1_active_minus1 = pps->num_ref_idx_l1_default_active_minus1,
592 .chroma_qp_index_offset = pps->chroma_qp_index_offset,
593 .second_chroma_qp_index_offset = pps->second_chroma_qp_index_offset,
596 .entropy_coding_mode_flag = pps->entropy_coding_mode_flag,
597 .weighted_pred_flag = pps->weighted_pred_flag,
598 .weighted_bipred_idc = pps->weighted_bipred_idc,
599 .constrained_intra_pred_flag = pps->constrained_intra_pred_flag,
600 .transform_8x8_mode_flag = pps->transform_8x8_mode_flag,
601 .deblocking_filter_control_present_flag =
602 pps->deblocking_filter_control_present_flag,
603 .redundant_pic_cnt_present_flag = pps->redundant_pic_cnt_present_flag,
604 .pic_order_present_flag =
605 pps->bottom_field_pic_order_in_frame_present_flag,
606 .pic_scaling_matrix_present_flag = pps->pic_scaling_matrix_present_flag,
613 static int vaapi_encode_h264_init_picture_params(AVCodecContext *avctx,
614 VAAPIEncodePicture *pic)
616 VAAPIEncodeContext *ctx = avctx->priv_data;
617 VAAPIEncodeH264Context *priv = avctx->priv_data;
618 VAAPIEncodeH264Picture *hpic = pic->priv_data;
619 VAAPIEncodePicture *prev = pic->prev;
620 VAAPIEncodeH264Picture *hprev = prev ? prev->priv_data : NULL;
621 VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
624 if (pic->type == PICTURE_TYPE_IDR) {
625 av_assert0(pic->display_order == pic->encode_order);
628 hpic->last_idr_frame = pic->display_order;
629 hpic->idr_pic_id = hprev ? hprev->idr_pic_id + 1 : 0;
631 hpic->primary_pic_type = 0;
632 hpic->slice_type = 7;
636 hpic->frame_num = hprev->frame_num + prev->is_reference;
638 hpic->last_idr_frame = hprev->last_idr_frame;
639 hpic->idr_pic_id = hprev->idr_pic_id;
641 if (pic->type == PICTURE_TYPE_I) {
642 hpic->slice_type = 7;
643 hpic->primary_pic_type = 0;
644 } else if (pic->type == PICTURE_TYPE_P) {
645 hpic->slice_type = 5;
646 hpic->primary_pic_type = 1;
648 hpic->slice_type = 6;
649 hpic->primary_pic_type = 2;
652 hpic->pic_order_cnt = pic->display_order - hpic->last_idr_frame;
653 hpic->dpb_delay = pic->display_order - pic->encode_order + ctx->max_b_depth;
654 hpic->cpb_delay = pic->encode_order - hpic->last_idr_frame;
657 priv->aud_needed = 1;
658 priv->raw_aud = (H264RawAUD) {
660 .nal_unit_type = H264_NAL_AUD,
662 .primary_pic_type = hpic->primary_pic_type,
665 priv->aud_needed = 0;
668 priv->sei_needed = 0;
670 if (priv->sei & SEI_IDENTIFIER && pic->encode_order == 0)
671 priv->sei_needed |= SEI_IDENTIFIER;
673 if (ctx->va_rc_mode == VA_RC_CBR)
674 priv->sei_cbr_workaround_needed = 1;
677 if (priv->sei & SEI_TIMING) {
678 priv->sei_pic_timing = (H264RawSEIPicTiming) {
679 .cpb_removal_delay = 2 * hpic->cpb_delay,
680 .dpb_output_delay = 2 * hpic->dpb_delay,
683 priv->sei_needed |= SEI_TIMING;
686 if (priv->sei & SEI_RECOVERY_POINT && pic->type == PICTURE_TYPE_I) {
687 priv->sei_recovery_point = (H264RawSEIRecoveryPoint) {
688 .recovery_frame_cnt = 0,
689 .exact_match_flag = 1,
690 .broken_link_flag = ctx->b_per_p > 0,
693 priv->sei_needed |= SEI_RECOVERY_POINT;
696 vpic->CurrPic = (VAPictureH264) {
697 .picture_id = pic->recon_surface,
698 .frame_idx = hpic->frame_num,
700 .TopFieldOrderCnt = hpic->pic_order_cnt,
701 .BottomFieldOrderCnt = hpic->pic_order_cnt,
704 for (i = 0; i < pic->nb_refs; i++) {
705 VAAPIEncodePicture *ref = pic->refs[i];
706 VAAPIEncodeH264Picture *href;
708 av_assert0(ref && ref->encode_order < pic->encode_order);
709 href = ref->priv_data;
711 vpic->ReferenceFrames[i] = (VAPictureH264) {
712 .picture_id = ref->recon_surface,
713 .frame_idx = href->frame_num,
714 .flags = VA_PICTURE_H264_SHORT_TERM_REFERENCE,
715 .TopFieldOrderCnt = href->pic_order_cnt,
716 .BottomFieldOrderCnt = href->pic_order_cnt,
719 for (; i < FF_ARRAY_ELEMS(vpic->ReferenceFrames); i++) {
720 vpic->ReferenceFrames[i] = (VAPictureH264) {
721 .picture_id = VA_INVALID_ID,
722 .flags = VA_PICTURE_H264_INVALID,
726 vpic->coded_buf = pic->output_buffer;
728 vpic->frame_num = hpic->frame_num;
730 vpic->pic_fields.bits.idr_pic_flag = (pic->type == PICTURE_TYPE_IDR);
731 vpic->pic_fields.bits.reference_pic_flag = (pic->type != PICTURE_TYPE_B);
736 static void vaapi_encode_h264_default_ref_pic_list(AVCodecContext *avctx,
737 VAAPIEncodePicture *pic,
738 VAAPIEncodePicture **rpl0,
739 VAAPIEncodePicture **rpl1,
742 VAAPIEncodePicture *prev;
743 VAAPIEncodeH264Picture *hp, *hn, *hc;
750 for (i = 0; i < pic->prev->nb_dpb_pics; i++) {
751 hn = prev->dpb[i]->priv_data;
752 av_assert0(hn->frame_num < hp->frame_num);
754 if (pic->type == PICTURE_TYPE_P) {
755 for (j = n; j > 0; j--) {
756 hc = rpl0[j - 1]->priv_data;
757 av_assert0(hc->frame_num != hn->frame_num);
758 if (hc->frame_num > hn->frame_num)
760 rpl0[j] = rpl0[j - 1];
762 rpl0[j] = prev->dpb[i];
764 } else if (pic->type == PICTURE_TYPE_B) {
765 for (j = n; j > 0; j--) {
766 hc = rpl0[j - 1]->priv_data;
767 av_assert0(hc->pic_order_cnt != hp->pic_order_cnt);
768 if (hc->pic_order_cnt < hp->pic_order_cnt) {
769 if (hn->pic_order_cnt > hp->pic_order_cnt ||
770 hn->pic_order_cnt < hc->pic_order_cnt)
773 if (hn->pic_order_cnt > hc->pic_order_cnt)
776 rpl0[j] = rpl0[j - 1];
778 rpl0[j] = prev->dpb[i];
780 for (j = n; j > 0; j--) {
781 hc = rpl1[j - 1]->priv_data;
782 av_assert0(hc->pic_order_cnt != hp->pic_order_cnt);
783 if (hc->pic_order_cnt > hp->pic_order_cnt) {
784 if (hn->pic_order_cnt < hp->pic_order_cnt ||
785 hn->pic_order_cnt > hc->pic_order_cnt)
788 if (hn->pic_order_cnt < hc->pic_order_cnt)
791 rpl1[j] = rpl1[j - 1];
793 rpl1[j] = prev->dpb[i];
799 if (pic->type == PICTURE_TYPE_B) {
800 for (i = 0; i < n; i++) {
801 if (rpl0[i] != rpl1[i])
805 FFSWAP(VAAPIEncodePicture*, rpl1[0], rpl1[1]);
808 if (pic->type == PICTURE_TYPE_P ||
809 pic->type == PICTURE_TYPE_B) {
810 av_log(avctx, AV_LOG_DEBUG, "Default RefPicList0 for fn=%d/poc=%d:",
811 hp->frame_num, hp->pic_order_cnt);
812 for (i = 0; i < n; i++) {
813 hn = rpl0[i]->priv_data;
814 av_log(avctx, AV_LOG_DEBUG, " fn=%d/poc=%d",
815 hn->frame_num, hn->pic_order_cnt);
817 av_log(avctx, AV_LOG_DEBUG, "\n");
819 if (pic->type == PICTURE_TYPE_B) {
820 av_log(avctx, AV_LOG_DEBUG, "Default RefPicList1 for fn=%d/poc=%d:",
821 hp->frame_num, hp->pic_order_cnt);
822 for (i = 0; i < n; i++) {
823 hn = rpl1[i]->priv_data;
824 av_log(avctx, AV_LOG_DEBUG, " fn=%d/poc=%d",
825 hn->frame_num, hn->pic_order_cnt);
827 av_log(avctx, AV_LOG_DEBUG, "\n");
833 static int vaapi_encode_h264_init_slice_params(AVCodecContext *avctx,
834 VAAPIEncodePicture *pic,
835 VAAPIEncodeSlice *slice)
837 VAAPIEncodeH264Context *priv = avctx->priv_data;
838 VAAPIEncodeH264Picture *hpic = pic->priv_data;
839 VAAPIEncodePicture *prev = pic->prev;
840 H264RawSPS *sps = &priv->raw_sps;
841 H264RawPPS *pps = &priv->raw_pps;
842 H264RawSliceHeader *sh = &priv->raw_slice.header;
843 VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
844 VAEncSliceParameterBufferH264 *vslice = slice->codec_slice_params;
847 if (pic->type == PICTURE_TYPE_IDR) {
848 sh->nal_unit_header.nal_unit_type = H264_NAL_IDR_SLICE;
849 sh->nal_unit_header.nal_ref_idc = 3;
851 sh->nal_unit_header.nal_unit_type = H264_NAL_SLICE;
852 sh->nal_unit_header.nal_ref_idc = pic->is_reference;
855 sh->first_mb_in_slice = slice->block_start;
856 sh->slice_type = hpic->slice_type;
858 sh->pic_parameter_set_id = pps->pic_parameter_set_id;
860 sh->frame_num = hpic->frame_num &
861 ((1 << (4 + sps->log2_max_frame_num_minus4)) - 1);
862 sh->idr_pic_id = hpic->idr_pic_id;
863 sh->pic_order_cnt_lsb = hpic->pic_order_cnt &
864 ((1 << (4 + sps->log2_max_pic_order_cnt_lsb_minus4)) - 1);
866 sh->direct_spatial_mv_pred_flag = 1;
868 if (pic->type == PICTURE_TYPE_B)
869 sh->slice_qp_delta = priv->fixed_qp_b - (pps->pic_init_qp_minus26 + 26);
870 else if (pic->type == PICTURE_TYPE_P)
871 sh->slice_qp_delta = priv->fixed_qp_p - (pps->pic_init_qp_minus26 + 26);
873 sh->slice_qp_delta = priv->fixed_qp_idr - (pps->pic_init_qp_minus26 + 26);
875 if (pic->is_reference && pic->type != PICTURE_TYPE_IDR) {
876 VAAPIEncodePicture *discard_list[MAX_DPB_SIZE];
877 int discard = 0, keep = 0;
879 // Discard everything which is in the DPB of the previous frame but
880 // not in the DPB of this one.
881 for (i = 0; i < prev->nb_dpb_pics; i++) {
882 for (j = 0; j < pic->nb_dpb_pics; j++) {
883 if (prev->dpb[i] == pic->dpb[j])
886 if (j == pic->nb_dpb_pics) {
887 discard_list[discard] = prev->dpb[i];
893 av_assert0(keep <= priv->dpb_frames);
896 sh->adaptive_ref_pic_marking_mode_flag = 0;
898 sh->adaptive_ref_pic_marking_mode_flag = 1;
899 for (i = 0; i < discard; i++) {
900 VAAPIEncodeH264Picture *old = discard_list[i]->priv_data;
901 av_assert0(old->frame_num < hpic->frame_num);
902 sh->mmco[i].memory_management_control_operation = 1;
903 sh->mmco[i].difference_of_pic_nums_minus1 =
904 hpic->frame_num - old->frame_num - 1;
906 sh->mmco[i].memory_management_control_operation = 0;
910 // If the intended references are not the first entries of RefPicListN
911 // by default, use ref-pic-list-modification to move them there.
912 if (pic->type == PICTURE_TYPE_P || pic->type == PICTURE_TYPE_B) {
913 VAAPIEncodePicture *def_l0[MAX_DPB_SIZE], *def_l1[MAX_DPB_SIZE];
914 VAAPIEncodeH264Picture *href;
917 vaapi_encode_h264_default_ref_pic_list(avctx, pic,
920 if (pic->type == PICTURE_TYPE_P) {
922 for (i = 0; i < pic->nb_refs; i++) {
923 av_assert0(pic->refs[i]);
924 if (pic->refs[i] != def_l0[i])
928 sh->ref_pic_list_modification_flag_l0 = need_rplm;
930 int pic_num = hpic->frame_num;
931 for (i = 0; i < pic->nb_refs; i++) {
932 href = pic->refs[i]->priv_data;
933 av_assert0(href->frame_num != pic_num);
934 if (href->frame_num < pic_num) {
935 sh->rplm_l0[i].modification_of_pic_nums_idc = 0;
936 sh->rplm_l0[i].abs_diff_pic_num_minus1 =
937 pic_num - href->frame_num - 1;
939 sh->rplm_l0[i].modification_of_pic_nums_idc = 1;
940 sh->rplm_l0[i].abs_diff_pic_num_minus1 =
941 href->frame_num - pic_num - 1;
943 pic_num = href->frame_num;
945 sh->rplm_l0[i].modification_of_pic_nums_idc = 3;
949 int need_rplm_l0 = 0, need_rplm_l1 = 0;
951 for (i = 0; i < pic->nb_refs; i++) {
952 av_assert0(pic->refs[i]);
953 href = pic->refs[i]->priv_data;
954 av_assert0(href->pic_order_cnt != hpic->pic_order_cnt);
955 if (href->pic_order_cnt < hpic->pic_order_cnt) {
956 if (pic->refs[i] != def_l0[n0])
960 if (pic->refs[i] != def_l1[n1])
966 sh->ref_pic_list_modification_flag_l0 = need_rplm_l0;
968 int pic_num = hpic->frame_num;
969 for (i = j = 0; i < pic->nb_refs; i++) {
970 href = pic->refs[i]->priv_data;
971 if (href->pic_order_cnt > hpic->pic_order_cnt)
973 av_assert0(href->frame_num != pic_num);
974 if (href->frame_num < pic_num) {
975 sh->rplm_l0[j].modification_of_pic_nums_idc = 0;
976 sh->rplm_l0[j].abs_diff_pic_num_minus1 =
977 pic_num - href->frame_num - 1;
979 sh->rplm_l0[j].modification_of_pic_nums_idc = 1;
980 sh->rplm_l0[j].abs_diff_pic_num_minus1 =
981 href->frame_num - pic_num - 1;
983 pic_num = href->frame_num;
987 sh->rplm_l0[j].modification_of_pic_nums_idc = 3;
990 sh->ref_pic_list_modification_flag_l1 = need_rplm_l1;
992 int pic_num = hpic->frame_num;
993 for (i = j = 0; i < pic->nb_refs; i++) {
994 href = pic->refs[i]->priv_data;
995 if (href->pic_order_cnt < hpic->pic_order_cnt)
997 av_assert0(href->frame_num != pic_num);
998 if (href->frame_num < pic_num) {
999 sh->rplm_l1[j].modification_of_pic_nums_idc = 0;
1000 sh->rplm_l1[j].abs_diff_pic_num_minus1 =
1001 pic_num - href->frame_num - 1;
1003 sh->rplm_l1[j].modification_of_pic_nums_idc = 1;
1004 sh->rplm_l1[j].abs_diff_pic_num_minus1 =
1005 href->frame_num - pic_num - 1;
1007 pic_num = href->frame_num;
1010 av_assert0(j == n1);
1011 sh->rplm_l1[j].modification_of_pic_nums_idc = 3;
1016 vslice->macroblock_address = slice->block_start;
1017 vslice->num_macroblocks = slice->block_size;
1019 vslice->macroblock_info = VA_INVALID_ID;
1021 vslice->slice_type = sh->slice_type % 5;
1022 vslice->pic_parameter_set_id = sh->pic_parameter_set_id;
1023 vslice->idr_pic_id = sh->idr_pic_id;
1025 vslice->pic_order_cnt_lsb = sh->pic_order_cnt_lsb;
1027 vslice->direct_spatial_mv_pred_flag = sh->direct_spatial_mv_pred_flag;
1029 for (i = 0; i < FF_ARRAY_ELEMS(vslice->RefPicList0); i++) {
1030 vslice->RefPicList0[i].picture_id = VA_INVALID_ID;
1031 vslice->RefPicList0[i].flags = VA_PICTURE_H264_INVALID;
1032 vslice->RefPicList1[i].picture_id = VA_INVALID_ID;
1033 vslice->RefPicList1[i].flags = VA_PICTURE_H264_INVALID;
1036 av_assert0(pic->nb_refs <= 2);
1037 if (pic->nb_refs >= 1) {
1038 // Backward reference for P- or B-frame.
1039 av_assert0(pic->type == PICTURE_TYPE_P ||
1040 pic->type == PICTURE_TYPE_B);
1041 vslice->RefPicList0[0] = vpic->ReferenceFrames[0];
1043 if (pic->nb_refs >= 2) {
1044 // Forward reference for B-frame.
1045 av_assert0(pic->type == PICTURE_TYPE_B);
1046 vslice->RefPicList1[0] = vpic->ReferenceFrames[1];
1049 vslice->slice_qp_delta = sh->slice_qp_delta;
1054 static av_cold int vaapi_encode_h264_configure(AVCodecContext *avctx)
1056 VAAPIEncodeContext *ctx = avctx->priv_data;
1057 VAAPIEncodeH264Context *priv = avctx->priv_data;
1060 err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_H264, avctx);
1064 priv->mb_width = FFALIGN(avctx->width, 16) / 16;
1065 priv->mb_height = FFALIGN(avctx->height, 16) / 16;
1067 if (ctx->va_rc_mode == VA_RC_CQP) {
1068 priv->fixed_qp_p = av_clip(ctx->rc_quality, 1, 51);
1069 if (avctx->i_quant_factor > 0.0)
1070 priv->fixed_qp_idr =
1071 av_clip((avctx->i_quant_factor * priv->fixed_qp_p +
1072 avctx->i_quant_offset) + 0.5, 1, 51);
1074 priv->fixed_qp_idr = priv->fixed_qp_p;
1075 if (avctx->b_quant_factor > 0.0)
1077 av_clip((avctx->b_quant_factor * priv->fixed_qp_p +
1078 avctx->b_quant_offset) + 0.5, 1, 51);
1080 priv->fixed_qp_b = priv->fixed_qp_p;
1082 av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "
1083 "%d / %d / %d for IDR- / P- / B-frames.\n",
1084 priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
1087 // These still need to be set for pic_init_qp/slice_qp_delta.
1088 priv->fixed_qp_idr = 26;
1089 priv->fixed_qp_p = 26;
1090 priv->fixed_qp_b = 26;
1093 if (!ctx->rc_mode->hrd) {
1094 // Timing SEI requires a mode respecting HRD parameters.
1095 priv->sei &= ~SEI_TIMING;
1098 if (priv->sei & SEI_IDENTIFIER) {
1099 const char *lavc = LIBAVCODEC_IDENT;
1100 const char *vaapi = VA_VERSION_S;
1104 memcpy(priv->sei_identifier.uuid_iso_iec_11578,
1105 vaapi_encode_h264_sei_identifier_uuid,
1106 sizeof(priv->sei_identifier.uuid_iso_iec_11578));
1108 driver = vaQueryVendorString(ctx->hwctx->display);
1110 driver = "unknown driver";
1112 len = snprintf(NULL, 0, "%s / VAAPI %s / %s", lavc, vaapi, driver);
1114 priv->sei_identifier_string = av_malloc(len + 1);
1115 if (!priv->sei_identifier_string)
1116 return AVERROR(ENOMEM);
1118 snprintf(priv->sei_identifier_string, len + 1,
1119 "%s / VAAPI %s / %s", lavc, vaapi, driver);
1121 priv->sei_identifier.data = priv->sei_identifier_string;
1122 priv->sei_identifier.data_length = len + 1;
1129 static const VAAPIEncodeProfile vaapi_encode_h264_profiles[] = {
1130 { FF_PROFILE_H264_HIGH, 8, 3, 1, 1, VAProfileH264High },
1131 { FF_PROFILE_H264_MAIN, 8, 3, 1, 1, VAProfileH264Main },
1132 { FF_PROFILE_H264_CONSTRAINED_BASELINE,
1133 8, 3, 1, 1, VAProfileH264ConstrainedBaseline },
1134 { FF_PROFILE_UNKNOWN }
1137 static const VAAPIEncodeType vaapi_encode_type_h264 = {
1138 .profiles = vaapi_encode_h264_profiles,
1140 .flags = FLAG_SLICE_CONTROL |
1142 FLAG_B_PICTURE_REFERENCES |
1143 FLAG_NON_IDR_KEY_PICTURES,
1145 .default_quality = 20,
1147 .configure = &vaapi_encode_h264_configure,
1149 .picture_priv_data_size = sizeof(VAAPIEncodeH264Picture),
1151 .sequence_params_size = sizeof(VAEncSequenceParameterBufferH264),
1152 .init_sequence_params = &vaapi_encode_h264_init_sequence_params,
1154 .picture_params_size = sizeof(VAEncPictureParameterBufferH264),
1155 .init_picture_params = &vaapi_encode_h264_init_picture_params,
1157 .slice_params_size = sizeof(VAEncSliceParameterBufferH264),
1158 .init_slice_params = &vaapi_encode_h264_init_slice_params,
1160 .sequence_header_type = VAEncPackedHeaderSequence,
1161 .write_sequence_header = &vaapi_encode_h264_write_sequence_header,
1163 .slice_header_type = VAEncPackedHeaderH264_Slice,
1164 .write_slice_header = &vaapi_encode_h264_write_slice_header,
1166 .write_extra_header = &vaapi_encode_h264_write_extra_header,
1169 static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx)
1171 VAAPIEncodeContext *ctx = avctx->priv_data;
1172 VAAPIEncodeH264Context *priv = avctx->priv_data;
1174 ctx->codec = &vaapi_encode_type_h264;
1176 if (avctx->profile == FF_PROFILE_UNKNOWN)
1177 avctx->profile = priv->profile;
1178 if (avctx->level == FF_LEVEL_UNKNOWN)
1179 avctx->level = priv->level;
1180 if (avctx->compression_level == FF_COMPRESSION_DEFAULT)
1181 avctx->compression_level = priv->quality;
1183 // Reject unsupported profiles.
1184 switch (avctx->profile) {
1185 case FF_PROFILE_H264_BASELINE:
1186 av_log(avctx, AV_LOG_WARNING, "H.264 baseline profile is not "
1187 "supported, using constrained baseline profile instead.\n");
1188 avctx->profile = FF_PROFILE_H264_CONSTRAINED_BASELINE;
1190 case FF_PROFILE_H264_EXTENDED:
1191 av_log(avctx, AV_LOG_ERROR, "H.264 extended profile "
1192 "is not supported.\n");
1193 return AVERROR_PATCHWELCOME;
1194 case FF_PROFILE_H264_HIGH_10:
1195 case FF_PROFILE_H264_HIGH_10_INTRA:
1196 av_log(avctx, AV_LOG_ERROR, "H.264 10-bit profiles "
1197 "are not supported.\n");
1198 return AVERROR_PATCHWELCOME;
1199 case FF_PROFILE_H264_HIGH_422:
1200 case FF_PROFILE_H264_HIGH_422_INTRA:
1201 case FF_PROFILE_H264_HIGH_444:
1202 case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
1203 case FF_PROFILE_H264_HIGH_444_INTRA:
1204 case FF_PROFILE_H264_CAVLC_444:
1205 av_log(avctx, AV_LOG_ERROR, "H.264 non-4:2:0 profiles "
1206 "are not supported.\n");
1207 return AVERROR_PATCHWELCOME;
1210 if (avctx->level != FF_LEVEL_UNKNOWN && avctx->level & ~0xff) {
1211 av_log(avctx, AV_LOG_ERROR, "Invalid level %d: must fit "
1212 "in 8-bit unsigned integer.\n", avctx->level);
1213 return AVERROR(EINVAL);
1216 ctx->desired_packed_headers =
1217 VA_ENC_PACKED_HEADER_SEQUENCE | // SPS and PPS.
1218 VA_ENC_PACKED_HEADER_SLICE | // Slice headers.
1219 VA_ENC_PACKED_HEADER_MISC; // SEI.
1221 ctx->surface_width = FFALIGN(avctx->width, 16);
1222 ctx->surface_height = FFALIGN(avctx->height, 16);
1224 ctx->slice_block_height = ctx->slice_block_width = 16;
1227 ctx->explicit_qp = priv->qp;
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_fragment_free(priv->cbc, &priv->current_access_unit);
1237 ff_cbs_close(&priv->cbc);
1238 av_freep(&priv->sei_identifier_string);
1240 return ff_vaapi_encode_close(avctx);
1243 #define OFFSET(x) offsetof(VAAPIEncodeH264Context, x)
1244 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
1245 static const AVOption vaapi_encode_h264_options[] = {
1246 VAAPI_ENCODE_COMMON_OPTIONS,
1247 VAAPI_ENCODE_RC_OPTIONS,
1249 { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
1250 OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 52, FLAGS },
1251 { "quality", "Set encode quality (trades off against speed, higher is faster)",
1252 OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
1253 { "coder", "Entropy coder type",
1254 OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, FLAGS, "coder" },
1255 { "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1256 { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1257 { "vlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1258 { "ac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1260 { "aud", "Include AUD",
1261 OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
1263 { "sei", "Set SEI to include",
1264 OFFSET(sei), AV_OPT_TYPE_FLAGS,
1265 { .i64 = SEI_IDENTIFIER | SEI_TIMING | SEI_RECOVERY_POINT },
1266 0, INT_MAX, FLAGS, "sei" },
1267 { "identifier", "Include encoder version identifier",
1268 0, AV_OPT_TYPE_CONST, { .i64 = SEI_IDENTIFIER },
1269 INT_MIN, INT_MAX, FLAGS, "sei" },
1270 { "timing", "Include timing parameters (buffering_period and pic_timing)",
1271 0, AV_OPT_TYPE_CONST, { .i64 = SEI_TIMING },
1272 INT_MIN, INT_MAX, FLAGS, "sei" },
1273 { "recovery_point", "Include recovery points where appropriate",
1274 0, AV_OPT_TYPE_CONST, { .i64 = SEI_RECOVERY_POINT },
1275 INT_MIN, INT_MAX, FLAGS, "sei" },
1277 { "profile", "Set profile (profile_idc and constraint_set*_flag)",
1278 OFFSET(profile), AV_OPT_TYPE_INT,
1279 { .i64 = FF_PROFILE_UNKNOWN }, FF_PROFILE_UNKNOWN, 0xffff, FLAGS, "profile" },
1281 #define PROFILE(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
1282 { .i64 = value }, 0, 0, FLAGS, "profile"
1283 { PROFILE("constrained_baseline", FF_PROFILE_H264_CONSTRAINED_BASELINE) },
1284 { PROFILE("main", FF_PROFILE_H264_MAIN) },
1285 { PROFILE("high", FF_PROFILE_H264_HIGH) },
1288 { "level", "Set level (level_idc)",
1289 OFFSET(level), AV_OPT_TYPE_INT,
1290 { .i64 = FF_LEVEL_UNKNOWN }, FF_LEVEL_UNKNOWN, 0xff, FLAGS, "level" },
1292 #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
1293 { .i64 = value }, 0, 0, FLAGS, "level"
1295 { LEVEL("1.1", 11) },
1296 { LEVEL("1.2", 12) },
1297 { LEVEL("1.3", 13) },
1299 { LEVEL("2.1", 21) },
1300 { LEVEL("2.2", 22) },
1302 { LEVEL("3.1", 31) },
1303 { LEVEL("3.2", 32) },
1305 { LEVEL("4.1", 41) },
1306 { LEVEL("4.2", 42) },
1308 { LEVEL("5.1", 51) },
1309 { LEVEL("5.2", 52) },
1311 { LEVEL("6.1", 61) },
1312 { LEVEL("6.2", 62) },
1318 static const AVCodecDefault vaapi_encode_h264_defaults[] = {
1322 { "i_qfactor", "1" },
1323 { "i_qoffset", "0" },
1324 { "b_qfactor", "6/5" },
1325 { "b_qoffset", "0" },
1331 static const AVClass vaapi_encode_h264_class = {
1332 .class_name = "h264_vaapi",
1333 .item_name = av_default_item_name,
1334 .option = vaapi_encode_h264_options,
1335 .version = LIBAVUTIL_VERSION_INT,
1338 AVCodec ff_h264_vaapi_encoder = {
1339 .name = "h264_vaapi",
1340 .long_name = NULL_IF_CONFIG_SMALL("H.264/AVC (VAAPI)"),
1341 .type = AVMEDIA_TYPE_VIDEO,
1342 .id = AV_CODEC_ID_H264,
1343 .priv_data_size = sizeof(VAAPIEncodeH264Context),
1344 .init = &vaapi_encode_h264_init,
1345 .send_frame = &ff_vaapi_encode_send_frame,
1346 .receive_packet = &ff_vaapi_encode_receive_packet,
1347 .close = &vaapi_encode_h264_close,
1348 .priv_class = &vaapi_encode_h264_class,
1349 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
1350 .defaults = vaapi_encode_h264_defaults,
1351 .pix_fmts = (const enum AVPixelFormat[]) {
1355 .wrapper_name = "vaapi",