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aarch64: Add assembly support for -fsanitize=hwaddress tagged globals.
[libav.git] / libavcodec / vaapi_encode_h265.c
blob9080aa82daf80a35bcd776769c3280d8bf467ae9
1 /*
2 * This file is part of Libav.
3 *
4 * Libav is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * Libav is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include <string.h>
20
21 #include <va/va.h>
22 #include <va/va_enc_hevc.h>
23
24 #include "libavutil/avassert.h"
25 #include "libavutil/common.h"
26 #include "libavutil/opt.h"
27
28 #include "avcodec.h"
29 #include "cbs.h"
30 #include "cbs_h265.h"
31 #include "hevc.h"
32 #include "internal.h"
33 #include "put_bits.h"
34 #include "vaapi_encode.h"
35
36
37 typedef struct VAAPIEncodeH265Context {
38 unsigned int ctu_width;
39 unsigned int ctu_height;
40
41 int fixed_qp_idr;
42 int fixed_qp_p;
43 int fixed_qp_b;
44
45 H265RawAUD aud;
46 H265RawVPS vps;
47 H265RawSPS sps;
48 H265RawPPS pps;
49 H265RawSlice slice;
50
51 int64_t last_idr_frame;
52 int pic_order_cnt;
53
54 int slice_nal_unit;
55 int slice_type;
56 int pic_type;
57
58 CodedBitstreamContext *cbc;
59 CodedBitstreamFragment current_access_unit;
60 int aud_needed;
61 } VAAPIEncodeH265Context;
62
63 typedef struct VAAPIEncodeH265Options {
64 int qp;
65 int aud;
66 int profile;
67 int level;
68 } VAAPIEncodeH265Options;
69
70
71 static int vaapi_encode_h265_write_access_unit(AVCodecContext *avctx,
72 char *data, size_t *data_len,
73 CodedBitstreamFragment *au)
74 {
75 VAAPIEncodeContext *ctx = avctx->priv_data;
76 VAAPIEncodeH265Context *priv = ctx->priv_data;
77 int err;
78
79 err = ff_cbs_write_fragment_data(priv->cbc, au);
80 if (err < 0) {
81 av_log(avctx, AV_LOG_ERROR, "Failed to write packed header.\n");
82 return err;
83 }
84
85 if (*data_len < 8 * au->data_size - au->data_bit_padding) {
86 av_log(avctx, AV_LOG_ERROR, "Access unit too large: "
87 "%zu < %zu.\n", *data_len,
88 8 * au->data_size - au->data_bit_padding);
89 return AVERROR(ENOSPC);
90 }
91
92 memcpy(data, au->data, au->data_size);
93 *data_len = 8 * au->data_size - au->data_bit_padding;
94
95 return 0;
96 }
97
98 static int vaapi_encode_h265_add_nal(AVCodecContext *avctx,
99 CodedBitstreamFragment *au,
100 void *nal_unit)
101 {
102 VAAPIEncodeContext *ctx = avctx->priv_data;
103 VAAPIEncodeH265Context *priv = ctx->priv_data;
104 H265RawNALUnitHeader *header = nal_unit;
105 int err;
106
107 err = ff_cbs_insert_unit_content(priv->cbc, au, -1,
108 header->nal_unit_type, nal_unit, NULL);
109 if (err < 0) {
110 av_log(avctx, AV_LOG_ERROR, "Failed to add NAL unit: "
111 "type = %d.\n", header->nal_unit_type);
112 return err;
113 }
114
115 return 0;
116 }
117
118 static int vaapi_encode_h265_write_sequence_header(AVCodecContext *avctx,
119 char *data, size_t *data_len)
120 {
121 VAAPIEncodeContext *ctx = avctx->priv_data;
122 VAAPIEncodeH265Context *priv = ctx->priv_data;
123 CodedBitstreamFragment *au = &priv->current_access_unit;
124 int err;
125
126 if (priv->aud_needed) {
127 err = vaapi_encode_h265_add_nal(avctx, au, &priv->aud);
128 if (err < 0)
129 goto fail;
130 priv->aud_needed = 0;
131 }
132
133 err = vaapi_encode_h265_add_nal(avctx, au, &priv->vps);
134 if (err < 0)
135 goto fail;
136
137 err = vaapi_encode_h265_add_nal(avctx, au, &priv->sps);
138 if (err < 0)
139 goto fail;
140
141 err = vaapi_encode_h265_add_nal(avctx, au, &priv->pps);
142 if (err < 0)
143 goto fail;
144
145 err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
146 fail:
147 ff_cbs_fragment_uninit(priv->cbc, au);
148 return err;
149 }
150
151 static int vaapi_encode_h265_write_slice_header(AVCodecContext *avctx,
152 VAAPIEncodePicture *pic,
153 VAAPIEncodeSlice *slice,
154 char *data, size_t *data_len)
155 {
156 VAAPIEncodeContext *ctx = avctx->priv_data;
157 VAAPIEncodeH265Context *priv = ctx->priv_data;
158 CodedBitstreamFragment *au = &priv->current_access_unit;
159 int err;
160
161 if (priv->aud_needed) {
162 err = vaapi_encode_h265_add_nal(avctx, au, &priv->aud);
163 if (err < 0)
164 goto fail;
165 priv->aud_needed = 0;
166 }
167
168 err = vaapi_encode_h265_add_nal(avctx, au, &priv->slice);
169 if (err < 0)
170 goto fail;
171
172 err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
173 fail:
174 ff_cbs_fragment_uninit(priv->cbc, au);
175 return err;
176 }
177
178 static int vaapi_encode_h265_init_sequence_params(AVCodecContext *avctx)
179 {
180 VAAPIEncodeContext *ctx = avctx->priv_data;
181 VAAPIEncodeH265Context *priv = ctx->priv_data;
182 H265RawVPS *vps = &priv->vps;
183 H265RawSPS *sps = &priv->sps;
184 H265RawPPS *pps = &priv->pps;
185 H265RawVUI *vui = &sps->vui;
186 VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params;
187 VAEncPictureParameterBufferHEVC *vpic = ctx->codec_picture_params;
188 int i;
189
190 memset(&priv->current_access_unit, 0,
191 sizeof(priv->current_access_unit));
192
193 memset(vps, 0, sizeof(*vps));
194 memset(sps, 0, sizeof(*sps));
195 memset(pps, 0, sizeof(*pps));
196
197
198 // VPS
199
200 vps->nal_unit_header = (H265RawNALUnitHeader) {
201 .nal_unit_type = HEVC_NAL_VPS,
202 .nuh_layer_id = 0,
203 .nuh_temporal_id_plus1 = 1,
204 };
205
206 vps->vps_video_parameter_set_id = 0;
207
208 vps->vps_base_layer_internal_flag = 1;
209 vps->vps_base_layer_available_flag = 1;
210 vps->vps_max_layers_minus1 = 0;
211 vps->vps_max_sub_layers_minus1 = 0;
212 vps->vps_temporal_id_nesting_flag = 1;
213
214 vps->profile_tier_level = (H265RawProfileTierLevel) {
215 .general_profile_space = 0,
216 .general_profile_idc = avctx->profile,
217 .general_tier_flag = 0,
218
219 .general_progressive_source_flag = 1,
220 .general_interlaced_source_flag = 0,
221 .general_non_packed_constraint_flag = 1,
222 .general_frame_only_constraint_flag = 1,
223
224 .general_level_idc = avctx->level,
225 };
226 vps->profile_tier_level.general_profile_compatibility_flag[avctx->profile & 31] = 1;
227
228 vps->vps_sub_layer_ordering_info_present_flag = 0;
229 vps->vps_max_dec_pic_buffering_minus1[0] = (ctx->b_per_p > 0) + 1;
230 vps->vps_max_num_reorder_pics[0] = (ctx->b_per_p > 0);
231 vps->vps_max_latency_increase_plus1[0] = 0;
232
233 vps->vps_max_layer_id = 0;
234 vps->vps_num_layer_sets_minus1 = 0;
235 vps->layer_id_included_flag[0][0] = 1;
236
237 vps->vps_timing_info_present_flag = 1;
238 if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
239 vps->vps_num_units_in_tick = avctx->framerate.den;
240 vps->vps_time_scale = avctx->framerate.num;
241 vps->vps_poc_proportional_to_timing_flag = 1;
242 vps->vps_num_ticks_poc_diff_one_minus1 = 0;
243 } else {
244 vps->vps_num_units_in_tick = avctx->time_base.num;
245 vps->vps_time_scale = avctx->time_base.den;
246 vps->vps_poc_proportional_to_timing_flag = 0;
247 }
248 vps->vps_num_hrd_parameters = 0;
249
250
251 // SPS
252
253 sps->nal_unit_header = (H265RawNALUnitHeader) {
254 .nal_unit_type = HEVC_NAL_SPS,
255 .nuh_layer_id = 0,
256 .nuh_temporal_id_plus1 = 1,
257 };
258
259 sps->sps_video_parameter_set_id = vps->vps_video_parameter_set_id;
260
261 sps->sps_max_sub_layers_minus1 = vps->vps_max_sub_layers_minus1;
262 sps->sps_temporal_id_nesting_flag = vps->vps_temporal_id_nesting_flag;
263
264 sps->profile_tier_level = vps->profile_tier_level;
265
266 sps->sps_seq_parameter_set_id = 0;
267
268 sps->chroma_format_idc = 1; // YUV 4:2:0.
269 sps->separate_colour_plane_flag = 0;
270
271 sps->pic_width_in_luma_samples = ctx->surface_width;
272 sps->pic_height_in_luma_samples = ctx->surface_height;
273
274 if (avctx->width != ctx->surface_width ||
275 avctx->height != ctx->surface_height) {
276 sps->conformance_window_flag = 1;
277 sps->conf_win_left_offset = 0;
278 sps->conf_win_right_offset =
279 (ctx->surface_width - avctx->width) / 2;
280 sps->conf_win_top_offset = 0;
281 sps->conf_win_bottom_offset =
282 (ctx->surface_height - avctx->height) / 2;
283 } else {
284 sps->conformance_window_flag = 0;
285 }
286
287 sps->bit_depth_luma_minus8 =
288 avctx->profile == FF_PROFILE_HEVC_MAIN_10 ? 2 : 0;
289 sps->bit_depth_chroma_minus8 = sps->bit_depth_luma_minus8;
290
291 sps->log2_max_pic_order_cnt_lsb_minus4 = 8;
292
293 sps->sps_sub_layer_ordering_info_present_flag =
294 vps->vps_sub_layer_ordering_info_present_flag;
295 for (i = 0; i <= sps->sps_max_sub_layers_minus1; i++) {
296 sps->sps_max_dec_pic_buffering_minus1[i] =
297 vps->vps_max_dec_pic_buffering_minus1[i];
298 sps->sps_max_num_reorder_pics[i] =
299 vps->vps_max_num_reorder_pics[i];
300 sps->sps_max_latency_increase_plus1[i] =
301 vps->vps_max_latency_increase_plus1[i];
302 }
303
304 // These have to come from the capabilities of the encoder. We have no
305 // way to query them, so just hardcode parameters which work on the Intel
306 // driver.
307 // CTB size from 8x8 to 32x32.
308 sps->log2_min_luma_coding_block_size_minus3 = 0;
309 sps->log2_diff_max_min_luma_coding_block_size = 2;
310 // Transform size from 4x4 to 32x32.
311 sps->log2_min_luma_transform_block_size_minus2 = 0;
312 sps->log2_diff_max_min_luma_transform_block_size = 3;
313 // Full transform hierarchy allowed (2-5).
314 sps->max_transform_hierarchy_depth_inter = 3;
315 sps->max_transform_hierarchy_depth_intra = 3;
316 // AMP works.
317 sps->amp_enabled_flag = 1;
318 // SAO and temporal MVP do not work.
319 sps->sample_adaptive_offset_enabled_flag = 0;
320 sps->sps_temporal_mvp_enabled_flag = 0;
321
322 sps->pcm_enabled_flag = 0;
323
324 // STRPSs should ideally be here rather than defined individually in
325 // each slice, but the structure isn't completely fixed so for now
326 // don't bother.
327 sps->num_short_term_ref_pic_sets = 0;
328 sps->long_term_ref_pics_present_flag = 0;
329
330 sps->vui_parameters_present_flag = 1;
331
332 if (avctx->sample_aspect_ratio.num != 0 &&
333 avctx->sample_aspect_ratio.den != 0) {
334 static const AVRational sar_idc[] = {
335 { 0, 0 },
336 { 1, 1 }, { 12, 11 }, { 10, 11 }, { 16, 11 },
337 { 40, 33 }, { 24, 11 }, { 20, 11 }, { 32, 11 },
338 { 80, 33 }, { 18, 11 }, { 15, 11 }, { 64, 33 },
339 { 160, 99 }, { 4, 3 }, { 3, 2 }, { 2, 1 },
340 };
341 int i;
342 for (i = 0; i < FF_ARRAY_ELEMS(sar_idc); i++) {
343 if (avctx->sample_aspect_ratio.num == sar_idc[i].num &&
344 avctx->sample_aspect_ratio.den == sar_idc[i].den) {
345 vui->aspect_ratio_idc = i;
346 break;
347 }
348 }
349 if (i >= FF_ARRAY_ELEMS(sar_idc)) {
350 vui->aspect_ratio_idc = 255;
351 vui->sar_width = avctx->sample_aspect_ratio.num;
352 vui->sar_height = avctx->sample_aspect_ratio.den;
353 }
354 vui->aspect_ratio_info_present_flag = 1;
355 }
356
357 if (avctx->color_range != AVCOL_RANGE_UNSPECIFIED ||
358 avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
359 avctx->color_trc != AVCOL_TRC_UNSPECIFIED ||
360 avctx->colorspace != AVCOL_SPC_UNSPECIFIED) {
361 vui->video_signal_type_present_flag = 1;
362 vui->video_format = 5; // Unspecified.
363 vui->video_full_range_flag =
364 avctx->color_range == AVCOL_RANGE_JPEG;
365
366 if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
367 avctx->color_trc != AVCOL_TRC_UNSPECIFIED ||
368 avctx->colorspace != AVCOL_SPC_UNSPECIFIED) {
369 vui->colour_description_present_flag = 1;
370 vui->colour_primaries = avctx->color_primaries;
371 vui->transfer_characteristics = avctx->color_trc;
372 vui->matrix_coefficients = avctx->colorspace;
373 }
374 } else {
375 vui->video_format = 5;
376 vui->video_full_range_flag = 0;
377 vui->colour_primaries = avctx->color_primaries;
378 vui->transfer_characteristics = avctx->color_trc;
379 vui->matrix_coefficients = avctx->colorspace;
380 }
381
382 if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) {
383 vui->chroma_loc_info_present_flag = 1;
384 vui->chroma_sample_loc_type_top_field =
385 vui->chroma_sample_loc_type_bottom_field =
386 avctx->chroma_sample_location - 1;
387 }
388
389 vui->vui_timing_info_present_flag = 1;
390 vui->vui_num_units_in_tick = vps->vps_num_units_in_tick;
391 vui->vui_time_scale = vps->vps_time_scale;
392 vui->vui_poc_proportional_to_timing_flag = vps->vps_poc_proportional_to_timing_flag;
393 vui->vui_num_ticks_poc_diff_one_minus1 = vps->vps_num_ticks_poc_diff_one_minus1;
394 vui->vui_hrd_parameters_present_flag = 0;
395
396 vui->bitstream_restriction_flag = 1;
397 vui->motion_vectors_over_pic_boundaries_flag = 1;
398 vui->restricted_ref_pic_lists_flag = 1;
399 vui->max_bytes_per_pic_denom = 0;
400 vui->max_bits_per_min_cu_denom = 0;
401 vui->log2_max_mv_length_horizontal = 15;
402 vui->log2_max_mv_length_vertical = 15;
403
404
405 // PPS
406
407 pps->nal_unit_header = (H265RawNALUnitHeader) {
408 .nal_unit_type = HEVC_NAL_PPS,
409 .nuh_layer_id = 0,
410 .nuh_temporal_id_plus1 = 1,
411 };
412
413 pps->pps_pic_parameter_set_id = 0;
414 pps->pps_seq_parameter_set_id = sps->sps_seq_parameter_set_id;
415
416 pps->num_ref_idx_l0_default_active_minus1 = 0;
417 pps->num_ref_idx_l1_default_active_minus1 = 0;
418
419 pps->init_qp_minus26 = priv->fixed_qp_idr - 26;
420
421 pps->cu_qp_delta_enabled_flag = (ctx->va_rc_mode != VA_RC_CQP);
422 pps->diff_cu_qp_delta_depth = 0;
423
424 pps->pps_loop_filter_across_slices_enabled_flag = 1;
425
426
427 // Fill VAAPI parameter buffers.
428
429 *vseq = (VAEncSequenceParameterBufferHEVC) {
430 .general_profile_idc = vps->profile_tier_level.general_profile_idc,
431 .general_level_idc = vps->profile_tier_level.general_level_idc,
432 .general_tier_flag = vps->profile_tier_level.general_tier_flag,
433
434 .intra_period = avctx->gop_size,
435 .intra_idr_period = avctx->gop_size,
436 .ip_period = ctx->b_per_p + 1,
437 .bits_per_second = avctx->bit_rate,
438
439 .pic_width_in_luma_samples = sps->pic_width_in_luma_samples,
440 .pic_height_in_luma_samples = sps->pic_height_in_luma_samples,
441
442 .seq_fields.bits = {
443 .chroma_format_idc = sps->chroma_format_idc,
444 .separate_colour_plane_flag = sps->separate_colour_plane_flag,
445 .bit_depth_luma_minus8 = sps->bit_depth_luma_minus8,
446 .bit_depth_chroma_minus8 = sps->bit_depth_chroma_minus8,
447 .scaling_list_enabled_flag = sps->scaling_list_enabled_flag,
448 .strong_intra_smoothing_enabled_flag =
449 sps->strong_intra_smoothing_enabled_flag,
450 .amp_enabled_flag = sps->amp_enabled_flag,
451 .sample_adaptive_offset_enabled_flag =
452 sps->sample_adaptive_offset_enabled_flag,
453 .pcm_enabled_flag = sps->pcm_enabled_flag,
454 .pcm_loop_filter_disabled_flag = sps->pcm_loop_filter_disabled_flag,
455 .sps_temporal_mvp_enabled_flag = sps->sps_temporal_mvp_enabled_flag,
456 },
457
458 .log2_min_luma_coding_block_size_minus3 =
459 sps->log2_min_luma_coding_block_size_minus3,
460 .log2_diff_max_min_luma_coding_block_size =
461 sps->log2_diff_max_min_luma_coding_block_size,
462 .log2_min_transform_block_size_minus2 =
463 sps->log2_min_luma_transform_block_size_minus2,
464 .log2_diff_max_min_transform_block_size =
465 sps->log2_diff_max_min_luma_transform_block_size,
466 .max_transform_hierarchy_depth_inter =
467 sps->max_transform_hierarchy_depth_inter,
468 .max_transform_hierarchy_depth_intra =
469 sps->max_transform_hierarchy_depth_intra,
470
471 .pcm_sample_bit_depth_luma_minus1 =
472 sps->pcm_sample_bit_depth_luma_minus1,
473 .pcm_sample_bit_depth_chroma_minus1 =
474 sps->pcm_sample_bit_depth_chroma_minus1,
475 .log2_min_pcm_luma_coding_block_size_minus3 =
476 sps->log2_min_pcm_luma_coding_block_size_minus3,
477 .log2_max_pcm_luma_coding_block_size_minus3 =
478 sps->log2_min_pcm_luma_coding_block_size_minus3 +
479 sps->log2_diff_max_min_pcm_luma_coding_block_size,
480
481 .vui_parameters_present_flag = 0,
482 };
483
484 *vpic = (VAEncPictureParameterBufferHEVC) {
485 .decoded_curr_pic = {
486 .picture_id = VA_INVALID_ID,
487 .flags = VA_PICTURE_HEVC_INVALID,
488 },
489
490 .coded_buf = VA_INVALID_ID,
491
492 .collocated_ref_pic_index = 0xff,
493
494 .last_picture = 0,
495
496 .pic_init_qp = pps->init_qp_minus26 + 26,
497 .diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth,
498 .pps_cb_qp_offset = pps->pps_cb_qp_offset,
499 .pps_cr_qp_offset = pps->pps_cr_qp_offset,
500
501 .num_tile_columns_minus1 = pps->num_tile_columns_minus1,
502 .num_tile_rows_minus1 = pps->num_tile_rows_minus1,
503
504 .log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level_minus2,
505 .ctu_max_bitsize_allowed = 0,
506
507 .num_ref_idx_l0_default_active_minus1 =
508 pps->num_ref_idx_l0_default_active_minus1,
509 .num_ref_idx_l1_default_active_minus1 =
510 pps->num_ref_idx_l1_default_active_minus1,
511
512 .slice_pic_parameter_set_id = pps->pps_pic_parameter_set_id,
513
514 .pic_fields.bits = {
515 .sign_data_hiding_enabled_flag = pps->sign_data_hiding_enabled_flag,
516 .constrained_intra_pred_flag = pps->constrained_intra_pred_flag,
517 .transform_skip_enabled_flag = pps->transform_skip_enabled_flag,
518 .cu_qp_delta_enabled_flag = pps->cu_qp_delta_enabled_flag,
519 .weighted_pred_flag = pps->weighted_pred_flag,
520 .weighted_bipred_flag = pps->weighted_bipred_flag,
521 .transquant_bypass_enabled_flag = pps->transquant_bypass_enabled_flag,
522 .tiles_enabled_flag = pps->tiles_enabled_flag,
523 .entropy_coding_sync_enabled_flag = pps->entropy_coding_sync_enabled_flag,
524 .loop_filter_across_tiles_enabled_flag =
525 pps->loop_filter_across_tiles_enabled_flag,
526 .scaling_list_data_present_flag = (sps->sps_scaling_list_data_present_flag |
527 pps->pps_scaling_list_data_present_flag),
528 .screen_content_flag = 0,
529 .enable_gpu_weighted_prediction = 0,
530 .no_output_of_prior_pics_flag = 0,
531 },
532 };
533
534 return 0;
535 }
536
537 static int vaapi_encode_h265_init_picture_params(AVCodecContext *avctx,
538 VAAPIEncodePicture *pic)
539 {
540 VAAPIEncodeContext *ctx = avctx->priv_data;
541 VAAPIEncodeH265Context *priv = ctx->priv_data;
542 VAAPIEncodeH265Options *opt = ctx->codec_options;
543 VAEncPictureParameterBufferHEVC *vpic = pic->codec_picture_params;
544 int i;
545
546 if (pic->type == PICTURE_TYPE_IDR) {
547 av_assert0(pic->display_order == pic->encode_order);
548
549 priv->last_idr_frame = pic->display_order;
550
551 priv->slice_nal_unit = HEVC_NAL_IDR_W_RADL;
552 priv->slice_type = HEVC_SLICE_I;
553 priv->pic_type = 0;
554 } else {
555 av_assert0(pic->encode_order > priv->last_idr_frame);
556
557 if (pic->type == PICTURE_TYPE_I) {
558 priv->slice_nal_unit = HEVC_NAL_CRA_NUT;
559 priv->slice_type = HEVC_SLICE_I;
560 priv->pic_type = 0;
561 } else if (pic->type == PICTURE_TYPE_P) {
562 av_assert0(pic->refs[0]);
563 priv->slice_nal_unit = HEVC_NAL_TRAIL_R;
564 priv->slice_type = HEVC_SLICE_P;
565 priv->pic_type = 1;
566 } else {
567 av_assert0(pic->refs[0] && pic->refs[1]);
568 if (pic->refs[1]->type == PICTURE_TYPE_I)
569 priv->slice_nal_unit = HEVC_NAL_RASL_N;
570 else
571 priv->slice_nal_unit = HEVC_NAL_TRAIL_N;
572 priv->slice_type = HEVC_SLICE_B;
573 priv->pic_type = 2;
574 }
575 }
576 priv->pic_order_cnt = pic->display_order - priv->last_idr_frame;
577
578 if (opt->aud) {
579 priv->aud_needed = 1;
580 priv->aud.nal_unit_header = (H265RawNALUnitHeader) {
581 .nal_unit_type = HEVC_NAL_AUD,
582 .nuh_layer_id = 0,
583 .nuh_temporal_id_plus1 = 1,
584 };
585 priv->aud.pic_type = priv->pic_type;
586 } else {
587 priv->aud_needed = 0;
588 }
589
590 vpic->decoded_curr_pic = (VAPictureHEVC) {
591 .picture_id = pic->recon_surface,
592 .pic_order_cnt = priv->pic_order_cnt,
593 .flags = 0,
594 };
595
596 for (i = 0; i < pic->nb_refs; i++) {
597 VAAPIEncodePicture *ref = pic->refs[i];
598 av_assert0(ref && ref->encode_order < pic->encode_order);
599
600 vpic->reference_frames[i] = (VAPictureHEVC) {
601 .picture_id = ref->recon_surface,
602 .pic_order_cnt = ref->display_order - priv->last_idr_frame,
603 .flags = (ref->display_order < pic->display_order ?
604 VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE : 0) |
605 (ref->display_order > pic->display_order ?
606 VA_PICTURE_HEVC_RPS_ST_CURR_AFTER : 0),
607 };
608 }
609 for (; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++) {
610 vpic->reference_frames[i] = (VAPictureHEVC) {
611 .picture_id = VA_INVALID_ID,
612 .flags = VA_PICTURE_HEVC_INVALID,
613 };
614 }
615
616 vpic->coded_buf = pic->output_buffer;
617
618 vpic->nal_unit_type = priv->slice_nal_unit;
619
620 switch (pic->type) {
621 case PICTURE_TYPE_IDR:
622 vpic->pic_fields.bits.idr_pic_flag = 1;
623 vpic->pic_fields.bits.coding_type = 1;
624 vpic->pic_fields.bits.reference_pic_flag = 1;
625 break;
626 case PICTURE_TYPE_I:
627 vpic->pic_fields.bits.idr_pic_flag = 0;
628 vpic->pic_fields.bits.coding_type = 1;
629 vpic->pic_fields.bits.reference_pic_flag = 1;
630 break;
631 case PICTURE_TYPE_P:
632 vpic->pic_fields.bits.idr_pic_flag = 0;
633 vpic->pic_fields.bits.coding_type = 2;
634 vpic->pic_fields.bits.reference_pic_flag = 1;
635 break;
636 case PICTURE_TYPE_B:
637 vpic->pic_fields.bits.idr_pic_flag = 0;
638 vpic->pic_fields.bits.coding_type = 3;
639 vpic->pic_fields.bits.reference_pic_flag = 0;
640 break;
641 default:
642 av_assert0(0 && "invalid picture type");
643 }
644
645 pic->nb_slices = 1;
646
647 return 0;
648 }
649
650 static int vaapi_encode_h265_init_slice_params(AVCodecContext *avctx,
651 VAAPIEncodePicture *pic,
652 VAAPIEncodeSlice *slice)
653 {
654 VAAPIEncodeContext *ctx = avctx->priv_data;
655 VAAPIEncodeH265Context *priv = ctx->priv_data;
656 const H265RawSPS *sps = &priv->sps;
657 const H265RawPPS *pps = &priv->pps;
658 H265RawSliceHeader *sh = &priv->slice.header;
659 VAEncPictureParameterBufferHEVC *vpic = pic->codec_picture_params;
660 VAEncSliceParameterBufferHEVC *vslice = slice->codec_slice_params;
661 int i;
662
663 sh->nal_unit_header = (H265RawNALUnitHeader) {
664 .nal_unit_type = priv->slice_nal_unit,
665 .nuh_layer_id = 0,
666 .nuh_temporal_id_plus1 = 1,
667 };
668
669 sh->slice_pic_parameter_set_id = pps->pps_pic_parameter_set_id;
670
671 // Currently we only support one slice per frame.
672 sh->first_slice_segment_in_pic_flag = 1;
673 sh->slice_segment_address = 0;
674
675 sh->slice_type = priv->slice_type;
676
677 sh->slice_pic_order_cnt_lsb = priv->pic_order_cnt &
678 (1 << (sps->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1;
679
680 if (pic->type != PICTURE_TYPE_IDR) {
681 H265RawSTRefPicSet *rps;
682 VAAPIEncodePicture *st;
683 int used;
684
685 sh->short_term_ref_pic_set_sps_flag = 0;
686
687 rps = &sh->short_term_ref_pic_set;
688 memset(rps, 0, sizeof(*rps));
689
690 for (st = ctx->pic_start; st; st = st->next) {
691 if (st->encode_order >= pic->encode_order) {
692 // Not yet in DPB.
693 continue;
694 }
695 used = 0;
696 for (i = 0; i < pic->nb_refs; i++) {
697 if (pic->refs[i] == st)
698 used = 1;
699 }
700 if (!used) {
701 // Usually each picture always uses all of the others in the
702 // DPB as references. The one case we have to treat here is
703 // a non-IDR IRAP picture, which may need to hold unused
704 // references across itself to be used for the decoding of
705 // following RASL pictures. This looks for such an RASL
706 // picture, and keeps the reference if there is one.
707 VAAPIEncodePicture *rp;
708 for (rp = ctx->pic_start; rp; rp = rp->next) {
709 if (rp->encode_order < pic->encode_order)
710 continue;
711 if (rp->type != PICTURE_TYPE_B)
712 continue;
713 if (rp->refs[0] == st && rp->refs[1] == pic)
714 break;
715 }
716 if (!rp)
717 continue;
718 }
719 // This only works for one instance of each (delta_poc_sN_minus1
720 // is relative to the previous frame in the list, not relative to
721 // the current frame directly).
722 if (st->display_order < pic->display_order) {
723 rps->delta_poc_s0_minus1[rps->num_negative_pics] =
724 pic->display_order - st->display_order - 1;
725 rps->used_by_curr_pic_s0_flag[rps->num_negative_pics] = used;
726 ++rps->num_negative_pics;
727 } else {
728 rps->delta_poc_s1_minus1[rps->num_positive_pics] =
729 st->display_order - pic->display_order - 1;
730 rps->used_by_curr_pic_s1_flag[rps->num_positive_pics] = used;
731 ++rps->num_positive_pics;
732 }
733 }
734
735 sh->num_long_term_sps = 0;
736 sh->num_long_term_pics = 0;
737
738 sh->slice_temporal_mvp_enabled_flag =
739 sps->sps_temporal_mvp_enabled_flag;
740 if (sh->slice_temporal_mvp_enabled_flag) {
741 sh->collocated_from_l0_flag = sh->slice_type == HEVC_SLICE_B;
742 sh->collocated_ref_idx = 0;
743 }
744
745 sh->num_ref_idx_active_override_flag = 0;
746 sh->num_ref_idx_l0_active_minus1 = pps->num_ref_idx_l0_default_active_minus1;
747 sh->num_ref_idx_l1_active_minus1 = pps->num_ref_idx_l1_default_active_minus1;
748 }
749
750 sh->slice_sao_luma_flag = sh->slice_sao_chroma_flag =
751 sps->sample_adaptive_offset_enabled_flag;
752
753 if (pic->type == PICTURE_TYPE_B)
754 sh->slice_qp_delta = priv->fixed_qp_b - (pps->init_qp_minus26 + 26);
755 else if (pic->type == PICTURE_TYPE_P)
756 sh->slice_qp_delta = priv->fixed_qp_p - (pps->init_qp_minus26 + 26);
757 else
758 sh->slice_qp_delta = priv->fixed_qp_idr - (pps->init_qp_minus26 + 26);
759
760
761 *vslice = (VAEncSliceParameterBufferHEVC) {
762 .slice_segment_address = sh->slice_segment_address,
763 .num_ctu_in_slice = priv->ctu_width * priv->ctu_height,
764
765 .slice_type = sh->slice_type,
766 .slice_pic_parameter_set_id = sh->slice_pic_parameter_set_id,
767
768 .num_ref_idx_l0_active_minus1 = sh->num_ref_idx_l0_active_minus1,
769 .num_ref_idx_l1_active_minus1 = sh->num_ref_idx_l1_active_minus1,
770
771 .luma_log2_weight_denom = sh->luma_log2_weight_denom,
772 .delta_chroma_log2_weight_denom = sh->delta_chroma_log2_weight_denom,
773
774 .max_num_merge_cand = 5 - sh->five_minus_max_num_merge_cand,
775
776 .slice_qp_delta = sh->slice_qp_delta,
777 .slice_cb_qp_offset = sh->slice_cb_qp_offset,
778 .slice_cr_qp_offset = sh->slice_cr_qp_offset,
779
780 .slice_beta_offset_div2 = sh->slice_beta_offset_div2,
781 .slice_tc_offset_div2 = sh->slice_tc_offset_div2,
782
783 .slice_fields.bits = {
784 .last_slice_of_pic_flag = 1,
785 .dependent_slice_segment_flag = sh->dependent_slice_segment_flag,
786 .colour_plane_id = sh->colour_plane_id,
787 .slice_temporal_mvp_enabled_flag =
788 sh->slice_temporal_mvp_enabled_flag,
789 .slice_sao_luma_flag = sh->slice_sao_luma_flag,
790 .slice_sao_chroma_flag = sh->slice_sao_chroma_flag,
791 .num_ref_idx_active_override_flag =
792 sh->num_ref_idx_active_override_flag,
793 .mvd_l1_zero_flag = sh->mvd_l1_zero_flag,
794 .cabac_init_flag = sh->cabac_init_flag,
795 .slice_deblocking_filter_disabled_flag =
796 sh->slice_deblocking_filter_disabled_flag,
797 .slice_loop_filter_across_slices_enabled_flag =
798 sh->slice_loop_filter_across_slices_enabled_flag,
799 .collocated_from_l0_flag = sh->collocated_from_l0_flag,
800 },
801 };
802
803 for (i = 0; i < FF_ARRAY_ELEMS(vslice->ref_pic_list0); i++) {
804 vslice->ref_pic_list0[i].picture_id = VA_INVALID_ID;
805 vslice->ref_pic_list0[i].flags = VA_PICTURE_HEVC_INVALID;
806 vslice->ref_pic_list1[i].picture_id = VA_INVALID_ID;
807 vslice->ref_pic_list1[i].flags = VA_PICTURE_HEVC_INVALID;
808 }
809
810 av_assert0(pic->nb_refs <= 2);
811 if (pic->nb_refs >= 1) {
812 // Backward reference for P- or B-frame.
813 av_assert0(pic->type == PICTURE_TYPE_P ||
814 pic->type == PICTURE_TYPE_B);
815 vslice->ref_pic_list0[0] = vpic->reference_frames[0];
816 }
817 if (pic->nb_refs >= 2) {
818 // Forward reference for B-frame.
819 av_assert0(pic->type == PICTURE_TYPE_B);
820 vslice->ref_pic_list1[0] = vpic->reference_frames[1];
821 }
822
823 return 0;
824 }
825
826 static av_cold int vaapi_encode_h265_configure(AVCodecContext *avctx)
827 {
828 VAAPIEncodeContext *ctx = avctx->priv_data;
829 VAAPIEncodeH265Context *priv = ctx->priv_data;
830 VAAPIEncodeH265Options *opt = ctx->codec_options;
831 int err;
832
833 err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_HEVC, avctx);
834 if (err < 0)
835 return err;
836
837 priv->ctu_width = FFALIGN(ctx->surface_width, 32) / 32;
838 priv->ctu_height = FFALIGN(ctx->surface_height, 32) / 32;
839
840 av_log(avctx, AV_LOG_VERBOSE, "Input %ux%u -> Surface %ux%u -> CTU %ux%u.\n",
841 avctx->width, avctx->height, ctx->surface_width,
842 ctx->surface_height, priv->ctu_width, priv->ctu_height);
843
844 if (ctx->va_rc_mode == VA_RC_CQP) {
845 priv->fixed_qp_p = opt->qp;
846 if (avctx->i_quant_factor > 0.0)
847 priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor +
848 avctx->i_quant_offset) + 0.5);
849 else
850 priv->fixed_qp_idr = priv->fixed_qp_p;
851 if (avctx->b_quant_factor > 0.0)
852 priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor +
853 avctx->b_quant_offset) + 0.5);
854 else
855 priv->fixed_qp_b = priv->fixed_qp_p;
856
857 av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "
858 "%d / %d / %d for IDR- / P- / B-frames.\n",
859 priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
860
861 } else if (ctx->va_rc_mode == VA_RC_CBR ||
862 ctx->va_rc_mode == VA_RC_VBR) {
863 // These still need to be set for pic_init_qp/slice_qp_delta.
864 priv->fixed_qp_idr = 30;
865 priv->fixed_qp_p = 30;
866 priv->fixed_qp_b = 30;
867
868 av_log(avctx, AV_LOG_DEBUG, "Using %s-bitrate = %d bps.\n",
869 ctx->va_rc_mode == VA_RC_CBR ? "constant" : "variable",
870 avctx->bit_rate);
871
872 } else {
873 av_assert0(0 && "Invalid RC mode.");
874 }
875
876 return 0;
877 }
878
879 static const VAAPIEncodeType vaapi_encode_type_h265 = {
880 .priv_data_size = sizeof(VAAPIEncodeH265Context),
881
882 .configure = &vaapi_encode_h265_configure,
883
884 .sequence_params_size = sizeof(VAEncSequenceParameterBufferHEVC),
885 .init_sequence_params = &vaapi_encode_h265_init_sequence_params,
886
887 .picture_params_size = sizeof(VAEncPictureParameterBufferHEVC),
888 .init_picture_params = &vaapi_encode_h265_init_picture_params,
889
890 .slice_params_size = sizeof(VAEncSliceParameterBufferHEVC),
891 .init_slice_params = &vaapi_encode_h265_init_slice_params,
892
893 .sequence_header_type = VAEncPackedHeaderSequence,
894 .write_sequence_header = &vaapi_encode_h265_write_sequence_header,
895
896 .slice_header_type = VAEncPackedHeaderHEVC_Slice,
897 .write_slice_header = &vaapi_encode_h265_write_slice_header,
898 };
899
900 static av_cold int vaapi_encode_h265_init(AVCodecContext *avctx)
901 {
902 VAAPIEncodeContext *ctx = avctx->priv_data;
903 VAAPIEncodeH265Options *opt =
904 (VAAPIEncodeH265Options*)ctx->codec_options_data;
905
906 ctx->codec = &vaapi_encode_type_h265;
907
908 if (avctx->profile == FF_PROFILE_UNKNOWN)
909 avctx->profile = opt->profile;
910 if (avctx->level == FF_LEVEL_UNKNOWN)
911 avctx->level = opt->level;
912
913 switch (avctx->profile) {
914 case FF_PROFILE_HEVC_MAIN:
915 case FF_PROFILE_UNKNOWN:
916 ctx->va_profile = VAProfileHEVCMain;
917 ctx->va_rt_format = VA_RT_FORMAT_YUV420;
918 break;
919 case FF_PROFILE_HEVC_MAIN_10:
920 #ifdef VA_RT_FORMAT_YUV420_10BPP
921 ctx->va_profile = VAProfileHEVCMain10;
922 ctx->va_rt_format = VA_RT_FORMAT_YUV420_10BPP;
923 break;
924 #else
925 av_log(avctx, AV_LOG_ERROR, "10-bit encoding is not "
926 "supported with this VAAPI version.\n");
927 return AVERROR(ENOSYS);
928 #endif
929 default:
930 av_log(avctx, AV_LOG_ERROR, "Unknown H.265 profile %d.\n",
931 avctx->profile);
932 return AVERROR(EINVAL);
933 }
934 ctx->va_entrypoint = VAEntrypointEncSlice;
935
936 if (avctx->bit_rate > 0) {
937 if (avctx->rc_max_rate == avctx->bit_rate)
938 ctx->va_rc_mode = VA_RC_CBR;
939 else
940 ctx->va_rc_mode = VA_RC_VBR;
941 } else
942 ctx->va_rc_mode = VA_RC_CQP;
943
944 ctx->va_packed_headers =
945 VA_ENC_PACKED_HEADER_SEQUENCE | // VPS, SPS and PPS.
946 VA_ENC_PACKED_HEADER_SLICE; // Slice headers.
947
948 ctx->surface_width = FFALIGN(avctx->width, 16);
949 ctx->surface_height = FFALIGN(avctx->height, 16);
950
951 return ff_vaapi_encode_init(avctx);
952 }
953
954 static av_cold int vaapi_encode_h265_close(AVCodecContext *avctx)
955 {
956 VAAPIEncodeContext *ctx = avctx->priv_data;
957 VAAPIEncodeH265Context *priv = ctx->priv_data;
958
959 if (priv)
960 ff_cbs_close(&priv->cbc);
961
962 return ff_vaapi_encode_close(avctx);
963 }
964
965 #define OFFSET(x) (offsetof(VAAPIEncodeContext, codec_options_data) + \
966 offsetof(VAAPIEncodeH265Options, x))
967 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
968 static const AVOption vaapi_encode_h265_options[] = {
969 { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
970 OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, 52, FLAGS },
971
972 { "aud", "Include AUD",
973 OFFSET(aud), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
974
975 { "profile", "Set profile (general_profile_idc)",
976 OFFSET(profile), AV_OPT_TYPE_INT,
977 { .i64 = FF_PROFILE_HEVC_MAIN }, 0x00, 0xff, FLAGS, "profile" },
978
979 #define PROFILE(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
980 { .i64 = value }, 0, 0, FLAGS, "profile"
981 { PROFILE("main", FF_PROFILE_HEVC_MAIN) },
982 { PROFILE("main10", FF_PROFILE_HEVC_MAIN_10) },
983 #undef PROFILE
984
985 { "level", "Set level (general_level_idc)",
986 OFFSET(level), AV_OPT_TYPE_INT,
987 { .i64 = 153 }, 0x00, 0xff, FLAGS, "level" },
988
989 #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
990 { .i64 = value }, 0, 0, FLAGS, "level"
991 { LEVEL("1", 30) },
992 { LEVEL("2", 60) },
993 { LEVEL("2.1", 63) },
994 { LEVEL("3", 90) },
995 { LEVEL("3.1", 93) },
996 { LEVEL("4", 120) },
997 { LEVEL("4.1", 123) },
998 { LEVEL("5", 150) },
999 { LEVEL("5.1", 153) },
1000 { LEVEL("5.2", 156) },
1001 { LEVEL("6", 180) },
1002 { LEVEL("6.1", 183) },
1003 { LEVEL("6.2", 186) },
1004 #undef LEVEL
1005
1006 { NULL },
1007 };
1008
1009 static const AVCodecDefault vaapi_encode_h265_defaults[] = {
1010 { "b", "0" },
1011 { "bf", "2" },
1012 { "g", "120" },
1013 { "i_qfactor", "1.0" },
1014 { "i_qoffset", "0.0" },
1015 { "b_qfactor", "1.2" },
1016 { "b_qoffset", "0.0" },
1017 { NULL },
1018 };
1019
1020 static const AVClass vaapi_encode_h265_class = {
1021 .class_name = "h265_vaapi",
1022 .item_name = av_default_item_name,
1023 .option = vaapi_encode_h265_options,
1024 .version = LIBAVUTIL_VERSION_INT,
1025 };
1026
1027 AVCodec ff_hevc_vaapi_encoder = {
1028 .name = "hevc_vaapi",
1029 .long_name = NULL_IF_CONFIG_SMALL("H.265/HEVC (VAAPI)"),
1030 .type = AVMEDIA_TYPE_VIDEO,
1031 .id = AV_CODEC_ID_HEVC,
1032 .priv_data_size = (sizeof(VAAPIEncodeContext) +
1033 sizeof(VAAPIEncodeH265Options)),
1034 .init = &vaapi_encode_h265_init,
1035 .encode2 = &ff_vaapi_encode2,
1036 .close = &vaapi_encode_h265_close,
1037 .priv_class = &vaapi_encode_h265_class,
1038 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
1039 .defaults = vaapi_encode_h265_defaults,
1040 .pix_fmts = (const enum AVPixelFormat[]) {
1041 AV_PIX_FMT_VAAPI,
1042 AV_PIX_FMT_NONE,
1043 },
1044 .wrapper_name = "vaapi",
1045 };
Modern FFMPEG