d37100c52de3d79cccc58d20291a5aef46f6a9af
[ffmpeg.git] / libavcodec / vaapi_encode_h265.c
1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18
19 #include <string.h>
20
21 #include <va/va.h>
22 #include <va/va_enc_hevc.h>
23
24 #include "libavutil/avassert.h"
25 #include "libavutil/common.h"
26 #include "libavutil/pixdesc.h"
27 #include "libavutil/opt.h"
28 #include "libavutil/mastering_display_metadata.h"
29
30 #include "avcodec.h"
31 #include "cbs.h"
32 #include "cbs_h265.h"
33 #include "h265_profile_level.h"
34 #include "hevc.h"
35 #include "hevc_sei.h"
36 #include "internal.h"
37 #include "put_bits.h"
38 #include "vaapi_encode.h"
39
40 enum {
41     SEI_MASTERING_DISPLAY       = 0x08,
42     SEI_CONTENT_LIGHT_LEVEL     = 0x10,
43 };
44
45 typedef struct VAAPIEncodeH265Picture {
46     int pic_order_cnt;
47
48     int64_t last_idr_frame;
49
50     int slice_nal_unit;
51     int slice_type;
52     int pic_type;
53 } VAAPIEncodeH265Picture;
54
55 typedef struct VAAPIEncodeH265Context {
56     VAAPIEncodeContext common;
57
58     // User options.
59     int qp;
60     int aud;
61     int profile;
62     int tier;
63     int level;
64     int sei;
65
66     // Derived settings.
67     int fixed_qp_idr;
68     int fixed_qp_p;
69     int fixed_qp_b;
70
71     // Writer structures.
72     H265RawAUD   raw_aud;
73     H265RawVPS   raw_vps;
74     H265RawSPS   raw_sps;
75     H265RawPPS   raw_pps;
76     H265RawSEI   raw_sei;
77     H265RawSlice raw_slice;
78
79     H265RawSEIMasteringDisplayColourVolume sei_mastering_display;
80     H265RawSEIContentLightLevelInfo        sei_content_light_level;
81
82     CodedBitstreamContext *cbc;
83     CodedBitstreamFragment current_access_unit;
84     int aud_needed;
85     int sei_needed;
86 } VAAPIEncodeH265Context;
87
88
89 static int vaapi_encode_h265_write_access_unit(AVCodecContext *avctx,
90                                                char *data, size_t *data_len,
91                                                CodedBitstreamFragment *au)
92 {
93     VAAPIEncodeH265Context *priv = avctx->priv_data;
94     int err;
95
96     err = ff_cbs_write_fragment_data(priv->cbc, au);
97     if (err < 0) {
98         av_log(avctx, AV_LOG_ERROR, "Failed to write packed header.\n");
99         return err;
100     }
101
102     if (*data_len < 8 * au->data_size - au->data_bit_padding) {
103         av_log(avctx, AV_LOG_ERROR, "Access unit too large: "
104                "%zu < %zu.\n", *data_len,
105                8 * au->data_size - au->data_bit_padding);
106         return AVERROR(ENOSPC);
107     }
108
109     memcpy(data, au->data, au->data_size);
110     *data_len = 8 * au->data_size - au->data_bit_padding;
111
112     return 0;
113 }
114
115 static int vaapi_encode_h265_add_nal(AVCodecContext *avctx,
116                                      CodedBitstreamFragment *au,
117                                      void *nal_unit)
118 {
119     VAAPIEncodeH265Context *priv = avctx->priv_data;
120     H265RawNALUnitHeader *header = nal_unit;
121     int err;
122
123     err = ff_cbs_insert_unit_content(priv->cbc, au, -1,
124                                      header->nal_unit_type, nal_unit, NULL);
125     if (err < 0) {
126         av_log(avctx, AV_LOG_ERROR, "Failed to add NAL unit: "
127                "type = %d.\n", header->nal_unit_type);
128         return err;
129     }
130
131     return 0;
132 }
133
134 static int vaapi_encode_h265_write_sequence_header(AVCodecContext *avctx,
135                                                    char *data, size_t *data_len)
136 {
137     VAAPIEncodeH265Context *priv = avctx->priv_data;
138     CodedBitstreamFragment   *au = &priv->current_access_unit;
139     int err;
140
141     if (priv->aud_needed) {
142         err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_aud);
143         if (err < 0)
144             goto fail;
145         priv->aud_needed = 0;
146     }
147
148     err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_vps);
149     if (err < 0)
150         goto fail;
151
152     err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_sps);
153     if (err < 0)
154         goto fail;
155
156     err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_pps);
157     if (err < 0)
158         goto fail;
159
160     err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
161 fail:
162     ff_cbs_fragment_reset(priv->cbc, au);
163     return err;
164 }
165
166 static int vaapi_encode_h265_write_slice_header(AVCodecContext *avctx,
167                                                 VAAPIEncodePicture *pic,
168                                                 VAAPIEncodeSlice *slice,
169                                                 char *data, size_t *data_len)
170 {
171     VAAPIEncodeH265Context *priv = avctx->priv_data;
172     CodedBitstreamFragment   *au = &priv->current_access_unit;
173     int err;
174
175     if (priv->aud_needed) {
176         err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_aud);
177         if (err < 0)
178             goto fail;
179         priv->aud_needed = 0;
180     }
181
182     err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_slice);
183     if (err < 0)
184         goto fail;
185
186     err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
187 fail:
188     ff_cbs_fragment_reset(priv->cbc, au);
189     return err;
190 }
191
192 static int vaapi_encode_h265_write_extra_header(AVCodecContext *avctx,
193                                                 VAAPIEncodePicture *pic,
194                                                 int index, int *type,
195                                                 char *data, size_t *data_len)
196 {
197     VAAPIEncodeH265Context *priv = avctx->priv_data;
198     CodedBitstreamFragment   *au = &priv->current_access_unit;
199     int err, i;
200
201     if (priv->sei_needed) {
202         H265RawSEI *sei = &priv->raw_sei;
203
204         if (priv->aud_needed) {
205             err = vaapi_encode_h265_add_nal(avctx, au, &priv->aud);
206             if (err < 0)
207                 goto fail;
208             priv->aud_needed = 0;
209         }
210
211         *sei = (H265RawSEI) {
212             .nal_unit_header = {
213                 .nal_unit_type         = HEVC_NAL_SEI_PREFIX,
214                 .nuh_layer_id          = 0,
215                 .nuh_temporal_id_plus1 = 1,
216             },
217         };
218
219         i = 0;
220
221         if (priv->sei_needed & SEI_MASTERING_DISPLAY) {
222             sei->payload[i].payload_type = HEVC_SEI_TYPE_MASTERING_DISPLAY_INFO;
223             sei->payload[i].payload.mastering_display = priv->sei_mastering_display;
224             ++i;
225         }
226
227         if (priv->sei_needed & SEI_CONTENT_LIGHT_LEVEL) {
228             sei->payload[i].payload_type = HEVC_SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO;
229             sei->payload[i].payload.content_light_level = priv->sei_content_light_level;
230             ++i;
231         }
232
233         sei->payload_count = i;
234         av_assert0(sei->payload_count > 0);
235
236         err = vaapi_encode_h265_add_nal(avctx, au, sei);
237         if (err < 0)
238             goto fail;
239         priv->sei_needed = 0;
240
241         err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
242         if (err < 0)
243             goto fail;
244
245         ff_cbs_fragment_reset(priv->cbc, au);
246
247         *type = VAEncPackedHeaderRawData;
248         return 0;
249     } else {
250         return AVERROR_EOF;
251     }
252
253 fail:
254     ff_cbs_fragment_reset(priv->cbc, au);
255     return err;
256 }
257
258 static int vaapi_encode_h265_init_sequence_params(AVCodecContext *avctx)
259 {
260     VAAPIEncodeContext                *ctx = avctx->priv_data;
261     VAAPIEncodeH265Context           *priv = avctx->priv_data;
262     H265RawVPS                        *vps = &priv->raw_vps;
263     H265RawSPS                        *sps = &priv->raw_sps;
264     H265RawPPS                        *pps = &priv->raw_pps;
265     H265RawProfileTierLevel           *ptl = &vps->profile_tier_level;
266     H265RawVUI                        *vui = &sps->vui;
267     VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params;
268     VAEncPictureParameterBufferHEVC  *vpic = ctx->codec_picture_params;
269     const AVPixFmtDescriptor *desc;
270     int chroma_format, bit_depth;
271     int i;
272
273     memset(vps, 0, sizeof(*vps));
274     memset(sps, 0, sizeof(*sps));
275     memset(pps, 0, sizeof(*pps));
276
277
278     desc = av_pix_fmt_desc_get(priv->common.input_frames->sw_format);
279     av_assert0(desc);
280     if (desc->nb_components == 1) {
281         chroma_format = 0;
282     } else {
283         if (desc->log2_chroma_w == 1 && desc->log2_chroma_h == 1) {
284             chroma_format = 1;
285         } else if (desc->log2_chroma_w == 1 && desc->log2_chroma_h == 0) {
286             chroma_format = 2;
287         } else if (desc->log2_chroma_w == 0 && desc->log2_chroma_h == 0) {
288             chroma_format = 3;
289         } else {
290             av_log(avctx, AV_LOG_ERROR, "Chroma format of input pixel format "
291                    "%s is not supported.\n", desc->name);
292             return AVERROR(EINVAL);
293         }
294     }
295     bit_depth = desc->comp[0].depth;
296
297
298     // VPS
299
300     vps->nal_unit_header = (H265RawNALUnitHeader) {
301         .nal_unit_type         = HEVC_NAL_VPS,
302         .nuh_layer_id          = 0,
303         .nuh_temporal_id_plus1 = 1,
304     };
305
306     vps->vps_video_parameter_set_id = 0;
307
308     vps->vps_base_layer_internal_flag  = 1;
309     vps->vps_base_layer_available_flag = 1;
310     vps->vps_max_layers_minus1         = 0;
311     vps->vps_max_sub_layers_minus1     = 0;
312     vps->vps_temporal_id_nesting_flag  = 1;
313
314     ptl->general_profile_space = 0;
315     ptl->general_profile_idc   = avctx->profile;
316     ptl->general_tier_flag     = priv->tier;
317
318     if (chroma_format == 1) {
319         ptl->general_profile_compatibility_flag[1] = bit_depth ==  8;
320         ptl->general_profile_compatibility_flag[2] = bit_depth <= 10;
321     }
322     ptl->general_profile_compatibility_flag[4] = 1;
323
324     ptl->general_progressive_source_flag    = 1;
325     ptl->general_interlaced_source_flag     = 0;
326     ptl->general_non_packed_constraint_flag = 1;
327     ptl->general_frame_only_constraint_flag = 1;
328
329     ptl->general_max_12bit_constraint_flag = bit_depth <= 12;
330     ptl->general_max_10bit_constraint_flag = bit_depth <= 10;
331     ptl->general_max_8bit_constraint_flag  = bit_depth ==  8;
332
333     ptl->general_max_422chroma_constraint_flag  = chroma_format <= 2;
334     ptl->general_max_420chroma_constraint_flag  = chroma_format <= 1;
335     ptl->general_max_monochrome_constraint_flag = chroma_format == 0;
336
337     ptl->general_intra_constraint_flag = ctx->gop_size == 1;
338
339     ptl->general_lower_bit_rate_constraint_flag = 1;
340
341     if (avctx->level != FF_LEVEL_UNKNOWN) {
342         ptl->general_level_idc = avctx->level;
343     } else {
344         const H265LevelDescriptor *level;
345
346         level = ff_h265_guess_level(ptl, avctx->bit_rate,
347                                     ctx->surface_width, ctx->surface_height,
348                                     ctx->nb_slices, 1, 1,
349                                     (ctx->b_per_p > 0) + 1);
350         if (level) {
351             av_log(avctx, AV_LOG_VERBOSE, "Using level %s.\n", level->name);
352             ptl->general_level_idc = level->level_idc;
353         } else {
354             av_log(avctx, AV_LOG_VERBOSE, "Stream will not conform to "
355                    "any normal level; using level 8.5.\n");
356             ptl->general_level_idc = 255;
357             // The tier flag must be set in level 8.5.
358             ptl->general_tier_flag = 1;
359         }
360     }
361
362     vps->vps_sub_layer_ordering_info_present_flag = 0;
363     vps->vps_max_dec_pic_buffering_minus1[0]      = ctx->max_b_depth + 1;
364     vps->vps_max_num_reorder_pics[0]              = ctx->max_b_depth;
365     vps->vps_max_latency_increase_plus1[0]        = 0;
366
367     vps->vps_max_layer_id             = 0;
368     vps->vps_num_layer_sets_minus1    = 0;
369     vps->layer_id_included_flag[0][0] = 1;
370
371     vps->vps_timing_info_present_flag = 1;
372     if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
373         vps->vps_num_units_in_tick  = avctx->framerate.den;
374         vps->vps_time_scale         = avctx->framerate.num;
375         vps->vps_poc_proportional_to_timing_flag = 1;
376         vps->vps_num_ticks_poc_diff_one_minus1   = 0;
377     } else {
378         vps->vps_num_units_in_tick  = avctx->time_base.num;
379         vps->vps_time_scale         = avctx->time_base.den;
380         vps->vps_poc_proportional_to_timing_flag = 0;
381     }
382     vps->vps_num_hrd_parameters = 0;
383
384
385     // SPS
386
387     sps->nal_unit_header = (H265RawNALUnitHeader) {
388         .nal_unit_type         = HEVC_NAL_SPS,
389         .nuh_layer_id          = 0,
390         .nuh_temporal_id_plus1 = 1,
391     };
392
393     sps->sps_video_parameter_set_id = vps->vps_video_parameter_set_id;
394
395     sps->sps_max_sub_layers_minus1    = vps->vps_max_sub_layers_minus1;
396     sps->sps_temporal_id_nesting_flag = vps->vps_temporal_id_nesting_flag;
397
398     sps->profile_tier_level = vps->profile_tier_level;
399
400     sps->sps_seq_parameter_set_id = 0;
401
402     sps->chroma_format_idc          = chroma_format;
403     sps->separate_colour_plane_flag = 0;
404
405     sps->pic_width_in_luma_samples  = ctx->surface_width;
406     sps->pic_height_in_luma_samples = ctx->surface_height;
407
408     if (avctx->width  != ctx->surface_width ||
409         avctx->height != ctx->surface_height) {
410         sps->conformance_window_flag = 1;
411         sps->conf_win_left_offset   = 0;
412         sps->conf_win_right_offset  =
413             (ctx->surface_width - avctx->width) / 2;
414         sps->conf_win_top_offset    = 0;
415         sps->conf_win_bottom_offset =
416             (ctx->surface_height - avctx->height) / 2;
417     } else {
418         sps->conformance_window_flag = 0;
419     }
420
421     sps->bit_depth_luma_minus8   = bit_depth - 8;
422     sps->bit_depth_chroma_minus8 = bit_depth - 8;
423
424     sps->log2_max_pic_order_cnt_lsb_minus4 = 8;
425
426     sps->sps_sub_layer_ordering_info_present_flag =
427         vps->vps_sub_layer_ordering_info_present_flag;
428     for (i = 0; i <= sps->sps_max_sub_layers_minus1; i++) {
429         sps->sps_max_dec_pic_buffering_minus1[i] =
430             vps->vps_max_dec_pic_buffering_minus1[i];
431         sps->sps_max_num_reorder_pics[i] =
432             vps->vps_max_num_reorder_pics[i];
433         sps->sps_max_latency_increase_plus1[i] =
434             vps->vps_max_latency_increase_plus1[i];
435     }
436
437     // These have to come from the capabilities of the encoder.  We have no
438     // way to query them, so just hardcode parameters which work on the Intel
439     // driver.
440     // CTB size from 8x8 to 32x32.
441     sps->log2_min_luma_coding_block_size_minus3   = 0;
442     sps->log2_diff_max_min_luma_coding_block_size = 2;
443     // Transform size from 4x4 to 32x32.
444     sps->log2_min_luma_transform_block_size_minus2   = 0;
445     sps->log2_diff_max_min_luma_transform_block_size = 3;
446     // Full transform hierarchy allowed (2-5).
447     sps->max_transform_hierarchy_depth_inter = 3;
448     sps->max_transform_hierarchy_depth_intra = 3;
449     // AMP works.
450     sps->amp_enabled_flag = 1;
451     // SAO and temporal MVP do not work.
452     sps->sample_adaptive_offset_enabled_flag = 0;
453     sps->sps_temporal_mvp_enabled_flag       = 0;
454
455     sps->pcm_enabled_flag = 0;
456
457     // STRPSs should ideally be here rather than defined individually in
458     // each slice, but the structure isn't completely fixed so for now
459     // don't bother.
460     sps->num_short_term_ref_pic_sets     = 0;
461     sps->long_term_ref_pics_present_flag = 0;
462
463     sps->vui_parameters_present_flag = 1;
464
465     if (avctx->sample_aspect_ratio.num != 0 &&
466         avctx->sample_aspect_ratio.den != 0) {
467         static const AVRational sar_idc[] = {
468             {   0,  0 },
469             {   1,  1 }, {  12, 11 }, {  10, 11 }, {  16, 11 },
470             {  40, 33 }, {  24, 11 }, {  20, 11 }, {  32, 11 },
471             {  80, 33 }, {  18, 11 }, {  15, 11 }, {  64, 33 },
472             { 160, 99 }, {   4,  3 }, {   3,  2 }, {   2,  1 },
473         };
474         int num, den, i;
475         av_reduce(&num, &den, avctx->sample_aspect_ratio.num,
476                   avctx->sample_aspect_ratio.den, 65535);
477         for (i = 0; i < FF_ARRAY_ELEMS(sar_idc); i++) {
478             if (num == sar_idc[i].num &&
479                 den == sar_idc[i].den) {
480                 vui->aspect_ratio_idc = i;
481                 break;
482             }
483         }
484         if (i >= FF_ARRAY_ELEMS(sar_idc)) {
485             vui->aspect_ratio_idc = 255;
486             vui->sar_width  = num;
487             vui->sar_height = den;
488         }
489         vui->aspect_ratio_info_present_flag = 1;
490     }
491
492     if (avctx->color_range     != AVCOL_RANGE_UNSPECIFIED ||
493         avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
494         avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||
495         avctx->colorspace      != AVCOL_SPC_UNSPECIFIED) {
496         vui->video_signal_type_present_flag = 1;
497         vui->video_format      = 5; // Unspecified.
498         vui->video_full_range_flag =
499             avctx->color_range == AVCOL_RANGE_JPEG;
500
501         if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
502             avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||
503             avctx->colorspace      != AVCOL_SPC_UNSPECIFIED) {
504             vui->colour_description_present_flag = 1;
505             vui->colour_primaries         = avctx->color_primaries;
506             vui->transfer_characteristics = avctx->color_trc;
507             vui->matrix_coefficients      = avctx->colorspace;
508         }
509     } else {
510         vui->video_format             = 5;
511         vui->video_full_range_flag    = 0;
512         vui->colour_primaries         = avctx->color_primaries;
513         vui->transfer_characteristics = avctx->color_trc;
514         vui->matrix_coefficients      = avctx->colorspace;
515     }
516
517     if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) {
518         vui->chroma_loc_info_present_flag = 1;
519         vui->chroma_sample_loc_type_top_field    =
520         vui->chroma_sample_loc_type_bottom_field =
521             avctx->chroma_sample_location - 1;
522     }
523
524     vui->vui_timing_info_present_flag        = 1;
525     vui->vui_num_units_in_tick               = vps->vps_num_units_in_tick;
526     vui->vui_time_scale                      = vps->vps_time_scale;
527     vui->vui_poc_proportional_to_timing_flag = vps->vps_poc_proportional_to_timing_flag;
528     vui->vui_num_ticks_poc_diff_one_minus1   = vps->vps_num_ticks_poc_diff_one_minus1;
529     vui->vui_hrd_parameters_present_flag     = 0;
530
531     vui->bitstream_restriction_flag    = 1;
532     vui->motion_vectors_over_pic_boundaries_flag = 1;
533     vui->restricted_ref_pic_lists_flag = 1;
534     vui->max_bytes_per_pic_denom       = 0;
535     vui->max_bits_per_min_cu_denom     = 0;
536     vui->log2_max_mv_length_horizontal = 15;
537     vui->log2_max_mv_length_vertical   = 15;
538
539
540     // PPS
541
542     pps->nal_unit_header = (H265RawNALUnitHeader) {
543         .nal_unit_type         = HEVC_NAL_PPS,
544         .nuh_layer_id          = 0,
545         .nuh_temporal_id_plus1 = 1,
546     };
547
548     pps->pps_pic_parameter_set_id = 0;
549     pps->pps_seq_parameter_set_id = sps->sps_seq_parameter_set_id;
550
551     pps->num_ref_idx_l0_default_active_minus1 = 0;
552     pps->num_ref_idx_l1_default_active_minus1 = 0;
553
554     pps->init_qp_minus26 = priv->fixed_qp_idr - 26;
555
556     pps->cu_qp_delta_enabled_flag = (ctx->va_rc_mode != VA_RC_CQP);
557     pps->diff_cu_qp_delta_depth   = 0;
558
559     pps->pps_loop_filter_across_slices_enabled_flag = 1;
560
561
562     // Fill VAAPI parameter buffers.
563
564     *vseq = (VAEncSequenceParameterBufferHEVC) {
565         .general_profile_idc = vps->profile_tier_level.general_profile_idc,
566         .general_level_idc   = vps->profile_tier_level.general_level_idc,
567         .general_tier_flag   = vps->profile_tier_level.general_tier_flag,
568
569         .intra_period     = ctx->gop_size,
570         .intra_idr_period = ctx->gop_size,
571         .ip_period        = ctx->b_per_p + 1,
572         .bits_per_second  = ctx->va_bit_rate,
573
574         .pic_width_in_luma_samples  = sps->pic_width_in_luma_samples,
575         .pic_height_in_luma_samples = sps->pic_height_in_luma_samples,
576
577         .seq_fields.bits = {
578             .chroma_format_idc             = sps->chroma_format_idc,
579             .separate_colour_plane_flag    = sps->separate_colour_plane_flag,
580             .bit_depth_luma_minus8         = sps->bit_depth_luma_minus8,
581             .bit_depth_chroma_minus8       = sps->bit_depth_chroma_minus8,
582             .scaling_list_enabled_flag     = sps->scaling_list_enabled_flag,
583             .strong_intra_smoothing_enabled_flag =
584                 sps->strong_intra_smoothing_enabled_flag,
585             .amp_enabled_flag              = sps->amp_enabled_flag,
586             .sample_adaptive_offset_enabled_flag =
587                 sps->sample_adaptive_offset_enabled_flag,
588             .pcm_enabled_flag              = sps->pcm_enabled_flag,
589             .pcm_loop_filter_disabled_flag = sps->pcm_loop_filter_disabled_flag,
590             .sps_temporal_mvp_enabled_flag = sps->sps_temporal_mvp_enabled_flag,
591         },
592
593         .log2_min_luma_coding_block_size_minus3 =
594             sps->log2_min_luma_coding_block_size_minus3,
595         .log2_diff_max_min_luma_coding_block_size =
596             sps->log2_diff_max_min_luma_coding_block_size,
597         .log2_min_transform_block_size_minus2 =
598             sps->log2_min_luma_transform_block_size_minus2,
599         .log2_diff_max_min_transform_block_size =
600             sps->log2_diff_max_min_luma_transform_block_size,
601         .max_transform_hierarchy_depth_inter =
602             sps->max_transform_hierarchy_depth_inter,
603         .max_transform_hierarchy_depth_intra =
604             sps->max_transform_hierarchy_depth_intra,
605
606         .pcm_sample_bit_depth_luma_minus1 =
607             sps->pcm_sample_bit_depth_luma_minus1,
608         .pcm_sample_bit_depth_chroma_minus1 =
609             sps->pcm_sample_bit_depth_chroma_minus1,
610         .log2_min_pcm_luma_coding_block_size_minus3 =
611             sps->log2_min_pcm_luma_coding_block_size_minus3,
612         .log2_max_pcm_luma_coding_block_size_minus3 =
613             sps->log2_min_pcm_luma_coding_block_size_minus3 +
614             sps->log2_diff_max_min_pcm_luma_coding_block_size,
615
616         .vui_parameters_present_flag = 0,
617     };
618
619     *vpic = (VAEncPictureParameterBufferHEVC) {
620         .decoded_curr_pic = {
621             .picture_id = VA_INVALID_ID,
622             .flags      = VA_PICTURE_HEVC_INVALID,
623         },
624
625         .coded_buf = VA_INVALID_ID,
626
627         .collocated_ref_pic_index = 0xff,
628
629         .last_picture = 0,
630
631         .pic_init_qp            = pps->init_qp_minus26 + 26,
632         .diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth,
633         .pps_cb_qp_offset       = pps->pps_cb_qp_offset,
634         .pps_cr_qp_offset       = pps->pps_cr_qp_offset,
635
636         .num_tile_columns_minus1 = pps->num_tile_columns_minus1,
637         .num_tile_rows_minus1    = pps->num_tile_rows_minus1,
638
639         .log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level_minus2,
640         .ctu_max_bitsize_allowed          = 0,
641
642         .num_ref_idx_l0_default_active_minus1 =
643             pps->num_ref_idx_l0_default_active_minus1,
644         .num_ref_idx_l1_default_active_minus1 =
645             pps->num_ref_idx_l1_default_active_minus1,
646
647         .slice_pic_parameter_set_id = pps->pps_pic_parameter_set_id,
648
649         .pic_fields.bits = {
650             .sign_data_hiding_enabled_flag  = pps->sign_data_hiding_enabled_flag,
651             .constrained_intra_pred_flag    = pps->constrained_intra_pred_flag,
652             .transform_skip_enabled_flag    = pps->transform_skip_enabled_flag,
653             .cu_qp_delta_enabled_flag       = pps->cu_qp_delta_enabled_flag,
654             .weighted_pred_flag             = pps->weighted_pred_flag,
655             .weighted_bipred_flag           = pps->weighted_bipred_flag,
656             .transquant_bypass_enabled_flag = pps->transquant_bypass_enabled_flag,
657             .tiles_enabled_flag             = pps->tiles_enabled_flag,
658             .entropy_coding_sync_enabled_flag = pps->entropy_coding_sync_enabled_flag,
659             .loop_filter_across_tiles_enabled_flag =
660                 pps->loop_filter_across_tiles_enabled_flag,
661             .scaling_list_data_present_flag = (sps->sps_scaling_list_data_present_flag |
662                                                pps->pps_scaling_list_data_present_flag),
663             .screen_content_flag            = 0,
664             .enable_gpu_weighted_prediction = 0,
665             .no_output_of_prior_pics_flag   = 0,
666         },
667     };
668
669     return 0;
670 }
671
672 static int vaapi_encode_h265_init_picture_params(AVCodecContext *avctx,
673                                                  VAAPIEncodePicture *pic)
674 {
675     VAAPIEncodeContext               *ctx = avctx->priv_data;
676     VAAPIEncodeH265Context          *priv = avctx->priv_data;
677     VAAPIEncodeH265Picture          *hpic = pic->priv_data;
678     VAAPIEncodePicture              *prev = pic->prev;
679     VAAPIEncodeH265Picture         *hprev = prev ? prev->priv_data : NULL;
680     VAEncPictureParameterBufferHEVC *vpic = pic->codec_picture_params;
681     int i;
682
683     if (pic->type == PICTURE_TYPE_IDR) {
684         av_assert0(pic->display_order == pic->encode_order);
685
686         hpic->last_idr_frame = pic->display_order;
687
688         hpic->slice_nal_unit = HEVC_NAL_IDR_W_RADL;
689         hpic->slice_type     = HEVC_SLICE_I;
690         hpic->pic_type       = 0;
691     } else {
692         av_assert0(prev);
693         hpic->last_idr_frame = hprev->last_idr_frame;
694
695         if (pic->type == PICTURE_TYPE_I) {
696             hpic->slice_nal_unit = HEVC_NAL_CRA_NUT;
697             hpic->slice_type     = HEVC_SLICE_I;
698             hpic->pic_type       = 0;
699         } else if (pic->type == PICTURE_TYPE_P) {
700             av_assert0(pic->refs[0]);
701             hpic->slice_nal_unit = HEVC_NAL_TRAIL_R;
702             hpic->slice_type     = HEVC_SLICE_P;
703             hpic->pic_type       = 1;
704         } else {
705             VAAPIEncodePicture *irap_ref;
706             av_assert0(pic->refs[0] && pic->refs[1]);
707             for (irap_ref = pic; irap_ref; irap_ref = irap_ref->refs[1]) {
708                 if (irap_ref->type == PICTURE_TYPE_I)
709                     break;
710             }
711             if (pic->b_depth == ctx->max_b_depth) {
712                 hpic->slice_nal_unit = irap_ref ? HEVC_NAL_RASL_N
713                                                 : HEVC_NAL_TRAIL_N;
714             } else {
715                 hpic->slice_nal_unit = irap_ref ? HEVC_NAL_RASL_R
716                                                 : HEVC_NAL_TRAIL_R;
717             }
718             hpic->slice_type = HEVC_SLICE_B;
719             hpic->pic_type   = 2;
720         }
721     }
722     hpic->pic_order_cnt = pic->display_order - hpic->last_idr_frame;
723
724     if (priv->aud) {
725         priv->aud_needed = 1;
726         priv->raw_aud = (H265RawAUD) {
727             .nal_unit_header = {
728                 .nal_unit_type         = HEVC_NAL_AUD,
729                 .nuh_layer_id          = 0,
730                 .nuh_temporal_id_plus1 = 1,
731             },
732             .pic_type = hpic->pic_type,
733         };
734     } else {
735         priv->aud_needed = 0;
736     }
737
738     priv->sei_needed = 0;
739
740     // Only look for the metadata on I/IDR frame on the output. We
741     // may force an IDR frame on the output where the medadata gets
742     // changed on the input frame.
743     if ((priv->sei & SEI_MASTERING_DISPLAY) &&
744         (pic->type == PICTURE_TYPE_I || pic->type == PICTURE_TYPE_IDR)) {
745         AVFrameSideData *sd =
746             av_frame_get_side_data(pic->input_image,
747                                    AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
748
749         if (sd) {
750             AVMasteringDisplayMetadata *mdm =
751                 (AVMasteringDisplayMetadata *)sd->data;
752
753             // SEI is needed when both the primaries and luminance are set
754             if (mdm->has_primaries && mdm->has_luminance) {
755                 H265RawSEIMasteringDisplayColourVolume *mdcv =
756                     &priv->sei_mastering_display;
757                 const int mapping[3] = {1, 2, 0};
758                 const int chroma_den = 50000;
759                 const int luma_den   = 10000;
760
761                 for (i = 0; i < 3; i++) {
762                     const int j = mapping[i];
763                     mdcv->display_primaries_x[i] =
764                         FFMIN(lrint(chroma_den *
765                                     av_q2d(mdm->display_primaries[j][0])),
766                               chroma_den);
767                     mdcv->display_primaries_y[i] =
768                         FFMIN(lrint(chroma_den *
769                                     av_q2d(mdm->display_primaries[j][1])),
770                               chroma_den);
771                 }
772
773                 mdcv->white_point_x =
774                     FFMIN(lrint(chroma_den * av_q2d(mdm->white_point[0])),
775                           chroma_den);
776                 mdcv->white_point_y =
777                     FFMIN(lrint(chroma_den * av_q2d(mdm->white_point[1])),
778                           chroma_den);
779
780                 mdcv->max_display_mastering_luminance =
781                     lrint(luma_den * av_q2d(mdm->max_luminance));
782                 mdcv->min_display_mastering_luminance =
783                     FFMIN(lrint(luma_den * av_q2d(mdm->min_luminance)),
784                           mdcv->max_display_mastering_luminance);
785
786                 priv->sei_needed |= SEI_MASTERING_DISPLAY;
787             }
788         }
789     }
790
791     if ((priv->sei & SEI_CONTENT_LIGHT_LEVEL) &&
792         (pic->type == PICTURE_TYPE_I || pic->type == PICTURE_TYPE_IDR)) {
793         AVFrameSideData *sd =
794             av_frame_get_side_data(pic->input_image,
795                                    AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);
796
797         if (sd) {
798             AVContentLightMetadata *clm =
799                 (AVContentLightMetadata *)sd->data;
800             H265RawSEIContentLightLevelInfo *clli =
801                 &priv->sei_content_light_level;
802
803             clli->max_content_light_level     = FFMIN(clm->MaxCLL,  65535);
804             clli->max_pic_average_light_level = FFMIN(clm->MaxFALL, 65535);
805
806             priv->sei_needed |= SEI_CONTENT_LIGHT_LEVEL;
807         }
808     }
809
810     vpic->decoded_curr_pic = (VAPictureHEVC) {
811         .picture_id    = pic->recon_surface,
812         .pic_order_cnt = hpic->pic_order_cnt,
813         .flags         = 0,
814     };
815
816     for (i = 0; i < pic->nb_refs; i++) {
817         VAAPIEncodePicture      *ref = pic->refs[i];
818         VAAPIEncodeH265Picture *href;
819
820         av_assert0(ref && ref->encode_order < pic->encode_order);
821         href = ref->priv_data;
822
823         vpic->reference_frames[i] = (VAPictureHEVC) {
824             .picture_id    = ref->recon_surface,
825             .pic_order_cnt = href->pic_order_cnt,
826             .flags = (ref->display_order < pic->display_order ?
827                       VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE : 0) |
828                      (ref->display_order > pic->display_order ?
829                       VA_PICTURE_HEVC_RPS_ST_CURR_AFTER  : 0),
830         };
831     }
832     for (; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++) {
833         vpic->reference_frames[i] = (VAPictureHEVC) {
834             .picture_id = VA_INVALID_ID,
835             .flags      = VA_PICTURE_HEVC_INVALID,
836         };
837     }
838
839     vpic->coded_buf = pic->output_buffer;
840
841     vpic->nal_unit_type = hpic->slice_nal_unit;
842
843     switch (pic->type) {
844     case PICTURE_TYPE_IDR:
845         vpic->pic_fields.bits.idr_pic_flag       = 1;
846         vpic->pic_fields.bits.coding_type        = 1;
847         vpic->pic_fields.bits.reference_pic_flag = 1;
848         break;
849     case PICTURE_TYPE_I:
850         vpic->pic_fields.bits.idr_pic_flag       = 0;
851         vpic->pic_fields.bits.coding_type        = 1;
852         vpic->pic_fields.bits.reference_pic_flag = 1;
853         break;
854     case PICTURE_TYPE_P:
855         vpic->pic_fields.bits.idr_pic_flag       = 0;
856         vpic->pic_fields.bits.coding_type        = 2;
857         vpic->pic_fields.bits.reference_pic_flag = 1;
858         break;
859     case PICTURE_TYPE_B:
860         vpic->pic_fields.bits.idr_pic_flag       = 0;
861         vpic->pic_fields.bits.coding_type        = 3;
862         vpic->pic_fields.bits.reference_pic_flag = 0;
863         break;
864     default:
865         av_assert0(0 && "invalid picture type");
866     }
867
868     return 0;
869 }
870
871 static int vaapi_encode_h265_init_slice_params(AVCodecContext *avctx,
872                                                VAAPIEncodePicture *pic,
873                                                VAAPIEncodeSlice *slice)
874 {
875     VAAPIEncodeH265Context           *priv = avctx->priv_data;
876     VAAPIEncodeH265Picture           *hpic = pic->priv_data;
877     const H265RawSPS                  *sps = &priv->raw_sps;
878     const H265RawPPS                  *pps = &priv->raw_pps;
879     H265RawSliceHeader                 *sh = &priv->raw_slice.header;
880     VAEncPictureParameterBufferHEVC  *vpic = pic->codec_picture_params;
881     VAEncSliceParameterBufferHEVC  *vslice = slice->codec_slice_params;
882     int i;
883
884     sh->nal_unit_header = (H265RawNALUnitHeader) {
885         .nal_unit_type         = hpic->slice_nal_unit,
886         .nuh_layer_id          = 0,
887         .nuh_temporal_id_plus1 = 1,
888     };
889
890     sh->slice_pic_parameter_set_id      = pps->pps_pic_parameter_set_id;
891
892     sh->first_slice_segment_in_pic_flag = slice->index == 0;
893     sh->slice_segment_address           = slice->block_start;
894
895     sh->slice_type = hpic->slice_type;
896
897     sh->slice_pic_order_cnt_lsb = hpic->pic_order_cnt &
898         (1 << (sps->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1;
899
900     if (pic->type != PICTURE_TYPE_IDR) {
901         H265RawSTRefPicSet *rps;
902         const VAAPIEncodeH265Picture *strp;
903         int rps_poc[MAX_DPB_SIZE];
904         int rps_used[MAX_DPB_SIZE];
905         int i, j, poc, rps_pics;
906
907         sh->short_term_ref_pic_set_sps_flag = 0;
908
909         rps = &sh->short_term_ref_pic_set;
910         memset(rps, 0, sizeof(*rps));
911
912         rps_pics = 0;
913         for (i = 0; i < pic->nb_refs; i++) {
914             strp = pic->refs[i]->priv_data;
915             rps_poc[rps_pics]  = strp->pic_order_cnt;
916             rps_used[rps_pics] = 1;
917             ++rps_pics;
918         }
919         for (i = 0; i < pic->nb_dpb_pics; i++) {
920             if (pic->dpb[i] == pic)
921                 continue;
922             for (j = 0; j < pic->nb_refs; j++) {
923                 if (pic->dpb[i] == pic->refs[j])
924                     break;
925             }
926             if (j < pic->nb_refs)
927                 continue;
928             strp = pic->dpb[i]->priv_data;
929             rps_poc[rps_pics]  = strp->pic_order_cnt;
930             rps_used[rps_pics] = 0;
931             ++rps_pics;
932         }
933
934         for (i = 1; i < rps_pics; i++) {
935             for (j = i; j > 0; j--) {
936                 if (rps_poc[j] > rps_poc[j - 1])
937                     break;
938                 av_assert0(rps_poc[j] != rps_poc[j - 1]);
939                 FFSWAP(int, rps_poc[j],  rps_poc[j - 1]);
940                 FFSWAP(int, rps_used[j], rps_used[j - 1]);
941             }
942         }
943
944         av_log(avctx, AV_LOG_DEBUG, "RPS for POC %d:",
945                hpic->pic_order_cnt);
946         for (i = 0; i < rps_pics; i++) {
947             av_log(avctx, AV_LOG_DEBUG, " (%d,%d)",
948                    rps_poc[i], rps_used[i]);
949         }
950         av_log(avctx, AV_LOG_DEBUG, "\n");
951
952         for (i = 0; i < rps_pics; i++) {
953             av_assert0(rps_poc[i] != hpic->pic_order_cnt);
954             if (rps_poc[i] > hpic->pic_order_cnt)
955                 break;
956         }
957
958         rps->num_negative_pics = i;
959         poc = hpic->pic_order_cnt;
960         for (j = i - 1; j >= 0; j--) {
961             rps->delta_poc_s0_minus1[i - 1 - j] = poc - rps_poc[j] - 1;
962             rps->used_by_curr_pic_s0_flag[i - 1 - j] = rps_used[j];
963             poc = rps_poc[j];
964         }
965
966         rps->num_positive_pics = rps_pics - i;
967         poc = hpic->pic_order_cnt;
968         for (j = i; j < rps_pics; j++) {
969             rps->delta_poc_s1_minus1[j - i] = rps_poc[j] - poc - 1;
970             rps->used_by_curr_pic_s1_flag[j - i] = rps_used[j];
971             poc = rps_poc[j];
972         }
973
974         sh->num_long_term_sps  = 0;
975         sh->num_long_term_pics = 0;
976
977         sh->slice_temporal_mvp_enabled_flag =
978             sps->sps_temporal_mvp_enabled_flag;
979         if (sh->slice_temporal_mvp_enabled_flag) {
980             sh->collocated_from_l0_flag = sh->slice_type == HEVC_SLICE_B;
981             sh->collocated_ref_idx      = 0;
982         }
983
984         sh->num_ref_idx_active_override_flag = 0;
985         sh->num_ref_idx_l0_active_minus1 = pps->num_ref_idx_l0_default_active_minus1;
986         sh->num_ref_idx_l1_active_minus1 = pps->num_ref_idx_l1_default_active_minus1;
987     }
988
989     sh->slice_sao_luma_flag = sh->slice_sao_chroma_flag =
990         sps->sample_adaptive_offset_enabled_flag;
991
992     if (pic->type == PICTURE_TYPE_B)
993         sh->slice_qp_delta = priv->fixed_qp_b - (pps->init_qp_minus26 + 26);
994     else if (pic->type == PICTURE_TYPE_P)
995         sh->slice_qp_delta = priv->fixed_qp_p - (pps->init_qp_minus26 + 26);
996     else
997         sh->slice_qp_delta = priv->fixed_qp_idr - (pps->init_qp_minus26 + 26);
998
999
1000     *vslice = (VAEncSliceParameterBufferHEVC) {
1001         .slice_segment_address = sh->slice_segment_address,
1002         .num_ctu_in_slice      = slice->block_size,
1003
1004         .slice_type                 = sh->slice_type,
1005         .slice_pic_parameter_set_id = sh->slice_pic_parameter_set_id,
1006
1007         .num_ref_idx_l0_active_minus1 = sh->num_ref_idx_l0_active_minus1,
1008         .num_ref_idx_l1_active_minus1 = sh->num_ref_idx_l1_active_minus1,
1009
1010         .luma_log2_weight_denom         = sh->luma_log2_weight_denom,
1011         .delta_chroma_log2_weight_denom = sh->delta_chroma_log2_weight_denom,
1012
1013         .max_num_merge_cand = 5 - sh->five_minus_max_num_merge_cand,
1014
1015         .slice_qp_delta     = sh->slice_qp_delta,
1016         .slice_cb_qp_offset = sh->slice_cb_qp_offset,
1017         .slice_cr_qp_offset = sh->slice_cr_qp_offset,
1018
1019         .slice_beta_offset_div2 = sh->slice_beta_offset_div2,
1020         .slice_tc_offset_div2   = sh->slice_tc_offset_div2,
1021
1022         .slice_fields.bits = {
1023             .last_slice_of_pic_flag       = slice->index == pic->nb_slices - 1,
1024             .dependent_slice_segment_flag = sh->dependent_slice_segment_flag,
1025             .colour_plane_id              = sh->colour_plane_id,
1026             .slice_temporal_mvp_enabled_flag =
1027                 sh->slice_temporal_mvp_enabled_flag,
1028             .slice_sao_luma_flag          = sh->slice_sao_luma_flag,
1029             .slice_sao_chroma_flag        = sh->slice_sao_chroma_flag,
1030             .num_ref_idx_active_override_flag =
1031                 sh->num_ref_idx_active_override_flag,
1032             .mvd_l1_zero_flag             = sh->mvd_l1_zero_flag,
1033             .cabac_init_flag              = sh->cabac_init_flag,
1034             .slice_deblocking_filter_disabled_flag =
1035                 sh->slice_deblocking_filter_disabled_flag,
1036             .slice_loop_filter_across_slices_enabled_flag =
1037                 sh->slice_loop_filter_across_slices_enabled_flag,
1038             .collocated_from_l0_flag      = sh->collocated_from_l0_flag,
1039         },
1040     };
1041
1042     for (i = 0; i < FF_ARRAY_ELEMS(vslice->ref_pic_list0); i++) {
1043         vslice->ref_pic_list0[i].picture_id = VA_INVALID_ID;
1044         vslice->ref_pic_list0[i].flags      = VA_PICTURE_HEVC_INVALID;
1045         vslice->ref_pic_list1[i].picture_id = VA_INVALID_ID;
1046         vslice->ref_pic_list1[i].flags      = VA_PICTURE_HEVC_INVALID;
1047     }
1048
1049     av_assert0(pic->nb_refs <= 2);
1050     if (pic->nb_refs >= 1) {
1051         // Backward reference for P- or B-frame.
1052         av_assert0(pic->type == PICTURE_TYPE_P ||
1053                    pic->type == PICTURE_TYPE_B);
1054         vslice->ref_pic_list0[0] = vpic->reference_frames[0];
1055     }
1056     if (pic->nb_refs >= 2) {
1057         // Forward reference for B-frame.
1058         av_assert0(pic->type == PICTURE_TYPE_B);
1059         vslice->ref_pic_list1[0] = vpic->reference_frames[1];
1060     }
1061
1062     return 0;
1063 }
1064
1065 static av_cold int vaapi_encode_h265_configure(AVCodecContext *avctx)
1066 {
1067     VAAPIEncodeContext      *ctx = avctx->priv_data;
1068     VAAPIEncodeH265Context *priv = avctx->priv_data;
1069     int err;
1070
1071     err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_HEVC, avctx);
1072     if (err < 0)
1073         return err;
1074
1075     if (ctx->va_rc_mode == VA_RC_CQP) {
1076         priv->fixed_qp_p = priv->qp;
1077         if (avctx->i_quant_factor > 0.0)
1078             priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor +
1079                                         avctx->i_quant_offset) + 0.5);
1080         else
1081             priv->fixed_qp_idr = priv->fixed_qp_p;
1082         if (avctx->b_quant_factor > 0.0)
1083             priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor +
1084                                       avctx->b_quant_offset) + 0.5);
1085         else
1086             priv->fixed_qp_b = priv->fixed_qp_p;
1087
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);
1091
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 = 30;
1096         priv->fixed_qp_p   = 30;
1097         priv->fixed_qp_b   = 30;
1098
1099     } else {
1100         av_assert0(0 && "Invalid RC mode.");
1101     }
1102
1103     return 0;
1104 }
1105
1106 static const VAAPIEncodeProfile vaapi_encode_h265_profiles[] = {
1107     { FF_PROFILE_HEVC_MAIN,     8, 3, 1, 1, VAProfileHEVCMain       },
1108     { FF_PROFILE_HEVC_REXT,     8, 3, 1, 1, VAProfileHEVCMain       },
1109 #if VA_CHECK_VERSION(0, 37, 0)
1110     { FF_PROFILE_HEVC_MAIN_10, 10, 3, 1, 1, VAProfileHEVCMain10     },
1111     { FF_PROFILE_HEVC_REXT,    10, 3, 1, 1, VAProfileHEVCMain10     },
1112 #endif
1113     { FF_PROFILE_UNKNOWN }
1114 };
1115
1116 static const VAAPIEncodeType vaapi_encode_type_h265 = {
1117     .profiles              = vaapi_encode_h265_profiles,
1118
1119     .flags                 = FLAG_SLICE_CONTROL |
1120                              FLAG_B_PICTURES |
1121                              FLAG_B_PICTURE_REFERENCES |
1122                              FLAG_NON_IDR_KEY_PICTURES,
1123
1124     .configure             = &vaapi_encode_h265_configure,
1125
1126     .picture_priv_data_size = sizeof(VAAPIEncodeH265Picture),
1127
1128     .sequence_params_size  = sizeof(VAEncSequenceParameterBufferHEVC),
1129     .init_sequence_params  = &vaapi_encode_h265_init_sequence_params,
1130
1131     .picture_params_size   = sizeof(VAEncPictureParameterBufferHEVC),
1132     .init_picture_params   = &vaapi_encode_h265_init_picture_params,
1133
1134     .slice_params_size     = sizeof(VAEncSliceParameterBufferHEVC),
1135     .init_slice_params     = &vaapi_encode_h265_init_slice_params,
1136
1137     .sequence_header_type  = VAEncPackedHeaderSequence,
1138     .write_sequence_header = &vaapi_encode_h265_write_sequence_header,
1139
1140     .slice_header_type     = VAEncPackedHeaderHEVC_Slice,
1141     .write_slice_header    = &vaapi_encode_h265_write_slice_header,
1142
1143     .write_extra_header    = &vaapi_encode_h265_write_extra_header,
1144 };
1145
1146 static av_cold int vaapi_encode_h265_init(AVCodecContext *avctx)
1147 {
1148     VAAPIEncodeContext      *ctx = avctx->priv_data;
1149     VAAPIEncodeH265Context *priv = avctx->priv_data;
1150
1151     ctx->codec = &vaapi_encode_type_h265;
1152
1153     if (avctx->profile == FF_PROFILE_UNKNOWN)
1154         avctx->profile = priv->profile;
1155     if (avctx->level == FF_LEVEL_UNKNOWN)
1156         avctx->level = priv->level;
1157
1158     if (avctx->level != FF_LEVEL_UNKNOWN && avctx->level & ~0xff) {
1159         av_log(avctx, AV_LOG_ERROR, "Invalid level %d: must fit "
1160                "in 8-bit unsigned integer.\n", avctx->level);
1161         return AVERROR(EINVAL);
1162     }
1163
1164     ctx->desired_packed_headers =
1165         VA_ENC_PACKED_HEADER_SEQUENCE | // VPS, SPS and PPS.
1166         VA_ENC_PACKED_HEADER_SLICE    | // Slice headers.
1167         VA_ENC_PACKED_HEADER_MISC;      // SEI
1168
1169     ctx->surface_width  = FFALIGN(avctx->width,  16);
1170     ctx->surface_height = FFALIGN(avctx->height, 16);
1171
1172     // CTU size is currently hard-coded to 32.
1173     ctx->slice_block_width = ctx->slice_block_height = 32;
1174
1175     return ff_vaapi_encode_init(avctx);
1176 }
1177
1178 static av_cold int vaapi_encode_h265_close(AVCodecContext *avctx)
1179 {
1180     VAAPIEncodeH265Context *priv = avctx->priv_data;
1181
1182     ff_cbs_fragment_free(priv->cbc, &priv->current_access_unit);
1183     ff_cbs_close(&priv->cbc);
1184
1185     return ff_vaapi_encode_close(avctx);
1186 }
1187
1188 #define OFFSET(x) offsetof(VAAPIEncodeH265Context, x)
1189 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
1190 static const AVOption vaapi_encode_h265_options[] = {
1191     VAAPI_ENCODE_COMMON_OPTIONS,
1192
1193     { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
1194       OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, 52, FLAGS },
1195
1196     { "aud", "Include AUD",
1197       OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
1198
1199     { "profile", "Set profile (general_profile_idc)",
1200       OFFSET(profile), AV_OPT_TYPE_INT,
1201       { .i64 = FF_PROFILE_UNKNOWN }, FF_PROFILE_UNKNOWN, 0xff, FLAGS, "profile" },
1202
1203 #define PROFILE(name, value)  name, NULL, 0, AV_OPT_TYPE_CONST, \
1204       { .i64 = value }, 0, 0, FLAGS, "profile"
1205     { PROFILE("main",               FF_PROFILE_HEVC_MAIN) },
1206     { PROFILE("main10",             FF_PROFILE_HEVC_MAIN_10) },
1207     { PROFILE("rext",               FF_PROFILE_HEVC_REXT) },
1208 #undef PROFILE
1209
1210     { "tier", "Set tier (general_tier_flag)",
1211       OFFSET(tier), AV_OPT_TYPE_INT,
1212       { .i64 = 0 }, 0, 1, FLAGS, "tier" },
1213     { "main", NULL, 0, AV_OPT_TYPE_CONST,
1214       { .i64 = 0 }, 0, 0, FLAGS, "tier" },
1215     { "high", NULL, 0, AV_OPT_TYPE_CONST,
1216       { .i64 = 1 }, 0, 0, FLAGS, "tier" },
1217
1218     { "level", "Set level (general_level_idc)",
1219       OFFSET(level), AV_OPT_TYPE_INT,
1220       { .i64 = FF_LEVEL_UNKNOWN }, FF_LEVEL_UNKNOWN, 0xff, FLAGS, "level" },
1221
1222 #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
1223       { .i64 = value }, 0, 0, FLAGS, "level"
1224     { LEVEL("1",    30) },
1225     { LEVEL("2",    60) },
1226     { LEVEL("2.1",  63) },
1227     { LEVEL("3",    90) },
1228     { LEVEL("3.1",  93) },
1229     { LEVEL("4",   120) },
1230     { LEVEL("4.1", 123) },
1231     { LEVEL("5",   150) },
1232     { LEVEL("5.1", 153) },
1233     { LEVEL("5.2", 156) },
1234     { LEVEL("6",   180) },
1235     { LEVEL("6.1", 183) },
1236     { LEVEL("6.2", 186) },
1237 #undef LEVEL
1238
1239     { "sei", "Set SEI to include",
1240       OFFSET(sei), AV_OPT_TYPE_FLAGS,
1241       { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },
1242       0, INT_MAX, FLAGS, "sei" },
1243     { "hdr",
1244       "Include HDR metadata for mastering display colour volume "
1245       "and content light level information",
1246       0, AV_OPT_TYPE_CONST,
1247       { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },
1248       INT_MIN, INT_MAX, FLAGS, "sei" },
1249
1250     { NULL },
1251 };
1252
1253 static const AVCodecDefault vaapi_encode_h265_defaults[] = {
1254     { "b",              "0"   },
1255     { "bf",             "2"   },
1256     { "g",              "120" },
1257     { "i_qfactor",      "1"   },
1258     { "i_qoffset",      "0"   },
1259     { "b_qfactor",      "6/5" },
1260     { "b_qoffset",      "0"   },
1261     { "qmin",           "-1"  },
1262     { "qmax",           "-1"  },
1263     { NULL },
1264 };
1265
1266 static const AVClass vaapi_encode_h265_class = {
1267     .class_name = "h265_vaapi",
1268     .item_name  = av_default_item_name,
1269     .option     = vaapi_encode_h265_options,
1270     .version    = LIBAVUTIL_VERSION_INT,
1271 };
1272
1273 AVCodec ff_hevc_vaapi_encoder = {
1274     .name           = "hevc_vaapi",
1275     .long_name      = NULL_IF_CONFIG_SMALL("H.265/HEVC (VAAPI)"),
1276     .type           = AVMEDIA_TYPE_VIDEO,
1277     .id             = AV_CODEC_ID_HEVC,
1278     .priv_data_size = sizeof(VAAPIEncodeH265Context),
1279     .init           = &vaapi_encode_h265_init,
1280     .send_frame     = &ff_vaapi_encode_send_frame,
1281     .receive_packet = &ff_vaapi_encode_receive_packet,
1282     .close          = &vaapi_encode_h265_close,
1283     .priv_class     = &vaapi_encode_h265_class,
1284     .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
1285     .defaults       = vaapi_encode_h265_defaults,
1286     .pix_fmts = (const enum AVPixelFormat[]) {
1287         AV_PIX_FMT_VAAPI,
1288         AV_PIX_FMT_NONE,
1289     },
1290     .wrapper_name   = "vaapi",
1291 };