GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/vaapi_encode_h265.c Lines: 0 637 0.0 %
Date: 2021-01-26 11:44:58 Branches: 0 273 0.0 %

Line Branch Exec Source
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
    H265RawSlice raw_slice;
77
78
    SEIRawMasteringDisplayColourVolume sei_mastering_display;
79
    SEIRawContentLightLevelInfo        sei_content_light_level;
80
81
    CodedBitstreamContext *cbc;
82
    CodedBitstreamFragment current_access_unit;
83
    int aud_needed;
84
    int sei_needed;
85
} VAAPIEncodeH265Context;
86
87
88
static int vaapi_encode_h265_write_access_unit(AVCodecContext *avctx,
89
                                               char *data, size_t *data_len,
90
                                               CodedBitstreamFragment *au)
91
{
92
    VAAPIEncodeH265Context *priv = avctx->priv_data;
93
    int err;
94
95
    err = ff_cbs_write_fragment_data(priv->cbc, au);
96
    if (err < 0) {
97
        av_log(avctx, AV_LOG_ERROR, "Failed to write packed header.\n");
98
        return err;
99
    }
100
101
    if (*data_len < 8 * au->data_size - au->data_bit_padding) {
102
        av_log(avctx, AV_LOG_ERROR, "Access unit too large: "
103
               "%zu < %zu.\n", *data_len,
104
               8 * au->data_size - au->data_bit_padding);
105
        return AVERROR(ENOSPC);
106
    }
107
108
    memcpy(data, au->data, au->data_size);
109
    *data_len = 8 * au->data_size - au->data_bit_padding;
110
111
    return 0;
112
}
113
114
static int vaapi_encode_h265_add_nal(AVCodecContext *avctx,
115
                                     CodedBitstreamFragment *au,
116
                                     void *nal_unit)
117
{
118
    H265RawNALUnitHeader *header = nal_unit;
119
    int err;
120
121
    err = ff_cbs_insert_unit_content(au, -1,
122
                                     header->nal_unit_type, nal_unit, NULL);
123
    if (err < 0) {
124
        av_log(avctx, AV_LOG_ERROR, "Failed to add NAL unit: "
125
               "type = %d.\n", header->nal_unit_type);
126
        return err;
127
    }
128
129
    return 0;
130
}
131
132
static int vaapi_encode_h265_write_sequence_header(AVCodecContext *avctx,
133
                                                   char *data, size_t *data_len)
134
{
135
    VAAPIEncodeH265Context *priv = avctx->priv_data;
136
    CodedBitstreamFragment   *au = &priv->current_access_unit;
137
    int err;
138
139
    if (priv->aud_needed) {
140
        err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_aud);
141
        if (err < 0)
142
            goto fail;
143
        priv->aud_needed = 0;
144
    }
145
146
    err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_vps);
147
    if (err < 0)
148
        goto fail;
149
150
    err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_sps);
151
    if (err < 0)
152
        goto fail;
153
154
    err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_pps);
155
    if (err < 0)
156
        goto fail;
157
158
    err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
159
fail:
160
    ff_cbs_fragment_reset(au);
161
    return err;
162
}
163
164
static int vaapi_encode_h265_write_slice_header(AVCodecContext *avctx,
165
                                                VAAPIEncodePicture *pic,
166
                                                VAAPIEncodeSlice *slice,
167
                                                char *data, size_t *data_len)
168
{
169
    VAAPIEncodeH265Context *priv = avctx->priv_data;
170
    CodedBitstreamFragment   *au = &priv->current_access_unit;
171
    int err;
172
173
    if (priv->aud_needed) {
174
        err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_aud);
175
        if (err < 0)
176
            goto fail;
177
        priv->aud_needed = 0;
178
    }
179
180
    err = vaapi_encode_h265_add_nal(avctx, au, &priv->raw_slice);
181
    if (err < 0)
182
        goto fail;
183
184
    err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
185
fail:
186
    ff_cbs_fragment_reset(au);
187
    return err;
188
}
189
190
static int vaapi_encode_h265_write_extra_header(AVCodecContext *avctx,
191
                                                VAAPIEncodePicture *pic,
192
                                                int index, int *type,
193
                                                char *data, size_t *data_len)
194
{
195
    VAAPIEncodeH265Context *priv = avctx->priv_data;
196
    CodedBitstreamFragment   *au = &priv->current_access_unit;
197
    int err;
198
199
    if (priv->sei_needed) {
200
        if (priv->aud_needed) {
201
            err = vaapi_encode_h265_add_nal(avctx, au, &priv->aud);
202
            if (err < 0)
203
                goto fail;
204
            priv->aud_needed = 0;
205
        }
206
207
        if (priv->sei_needed & SEI_MASTERING_DISPLAY) {
208
            err = ff_cbs_sei_add_message(priv->cbc, au, 1,
209
                                         SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME,
210
                                         &priv->sei_mastering_display, NULL);
211
            if (err < 0)
212
                goto fail;
213
        }
214
215
        if (priv->sei_needed & SEI_CONTENT_LIGHT_LEVEL) {
216
            err = ff_cbs_sei_add_message(priv->cbc, au, 1,
217
                                         SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO,
218
                                         &priv->sei_content_light_level, NULL);
219
            if (err < 0)
220
                goto fail;
221
        }
222
223
        priv->sei_needed = 0;
224
225
        err = vaapi_encode_h265_write_access_unit(avctx, data, data_len, au);
226
        if (err < 0)
227
            goto fail;
228
229
        ff_cbs_fragment_reset(au);
230
231
        *type = VAEncPackedHeaderRawData;
232
        return 0;
233
    } else {
234
        return AVERROR_EOF;
235
    }
236
237
fail:
238
    ff_cbs_fragment_reset(au);
239
    return err;
240
}
241
242
static int vaapi_encode_h265_init_sequence_params(AVCodecContext *avctx)
243
{
244
    VAAPIEncodeContext                *ctx = avctx->priv_data;
245
    VAAPIEncodeH265Context           *priv = avctx->priv_data;
246
    H265RawVPS                        *vps = &priv->raw_vps;
247
    H265RawSPS                        *sps = &priv->raw_sps;
248
    H265RawPPS                        *pps = &priv->raw_pps;
249
    H265RawProfileTierLevel           *ptl = &vps->profile_tier_level;
250
    H265RawVUI                        *vui = &sps->vui;
251
    VAEncSequenceParameterBufferHEVC *vseq = ctx->codec_sequence_params;
252
    VAEncPictureParameterBufferHEVC  *vpic = ctx->codec_picture_params;
253
    const AVPixFmtDescriptor *desc;
254
    int chroma_format, bit_depth;
255
    int i;
256
257
    memset(vps, 0, sizeof(*vps));
258
    memset(sps, 0, sizeof(*sps));
259
    memset(pps, 0, sizeof(*pps));
260
261
262
    desc = av_pix_fmt_desc_get(priv->common.input_frames->sw_format);
263
    av_assert0(desc);
264
    if (desc->nb_components == 1) {
265
        chroma_format = 0;
266
    } else {
267
        if (desc->log2_chroma_w == 1 && desc->log2_chroma_h == 1) {
268
            chroma_format = 1;
269
        } else if (desc->log2_chroma_w == 1 && desc->log2_chroma_h == 0) {
270
            chroma_format = 2;
271
        } else if (desc->log2_chroma_w == 0 && desc->log2_chroma_h == 0) {
272
            chroma_format = 3;
273
        } else {
274
            av_log(avctx, AV_LOG_ERROR, "Chroma format of input pixel format "
275
                   "%s is not supported.\n", desc->name);
276
            return AVERROR(EINVAL);
277
        }
278
    }
279
    bit_depth = desc->comp[0].depth;
280
281
282
    // VPS
283
284
    vps->nal_unit_header = (H265RawNALUnitHeader) {
285
        .nal_unit_type         = HEVC_NAL_VPS,
286
        .nuh_layer_id          = 0,
287
        .nuh_temporal_id_plus1 = 1,
288
    };
289
290
    vps->vps_video_parameter_set_id = 0;
291
292
    vps->vps_base_layer_internal_flag  = 1;
293
    vps->vps_base_layer_available_flag = 1;
294
    vps->vps_max_layers_minus1         = 0;
295
    vps->vps_max_sub_layers_minus1     = 0;
296
    vps->vps_temporal_id_nesting_flag  = 1;
297
298
    ptl->general_profile_space = 0;
299
    ptl->general_profile_idc   = avctx->profile;
300
    ptl->general_tier_flag     = priv->tier;
301
302
    if (chroma_format == 1) {
303
        ptl->general_profile_compatibility_flag[1] = bit_depth ==  8;
304
        ptl->general_profile_compatibility_flag[2] = bit_depth <= 10;
305
    }
306
    ptl->general_profile_compatibility_flag[4] = 1;
307
308
    ptl->general_progressive_source_flag    = 1;
309
    ptl->general_interlaced_source_flag     = 0;
310
    ptl->general_non_packed_constraint_flag = 1;
311
    ptl->general_frame_only_constraint_flag = 1;
312
313
    ptl->general_max_12bit_constraint_flag = bit_depth <= 12;
314
    ptl->general_max_10bit_constraint_flag = bit_depth <= 10;
315
    ptl->general_max_8bit_constraint_flag  = bit_depth ==  8;
316
317
    ptl->general_max_422chroma_constraint_flag  = chroma_format <= 2;
318
    ptl->general_max_420chroma_constraint_flag  = chroma_format <= 1;
319
    ptl->general_max_monochrome_constraint_flag = chroma_format == 0;
320
321
    ptl->general_intra_constraint_flag = ctx->gop_size == 1;
322
323
    ptl->general_lower_bit_rate_constraint_flag = 1;
324
325
    if (avctx->level != FF_LEVEL_UNKNOWN) {
326
        ptl->general_level_idc = avctx->level;
327
    } else {
328
        const H265LevelDescriptor *level;
329
330
        level = ff_h265_guess_level(ptl, avctx->bit_rate,
331
                                    ctx->surface_width, ctx->surface_height,
332
                                    ctx->nb_slices, ctx->tile_rows, ctx->tile_cols,
333
                                    (ctx->b_per_p > 0) + 1);
334
        if (level) {
335
            av_log(avctx, AV_LOG_VERBOSE, "Using level %s.\n", level->name);
336
            ptl->general_level_idc = level->level_idc;
337
        } else {
338
            av_log(avctx, AV_LOG_VERBOSE, "Stream will not conform to "
339
                   "any normal level; using level 8.5.\n");
340
            ptl->general_level_idc = 255;
341
            // The tier flag must be set in level 8.5.
342
            ptl->general_tier_flag = 1;
343
        }
344
    }
345
346
    vps->vps_sub_layer_ordering_info_present_flag = 0;
347
    vps->vps_max_dec_pic_buffering_minus1[0]      = ctx->max_b_depth + 1;
348
    vps->vps_max_num_reorder_pics[0]              = ctx->max_b_depth;
349
    vps->vps_max_latency_increase_plus1[0]        = 0;
350
351
    vps->vps_max_layer_id             = 0;
352
    vps->vps_num_layer_sets_minus1    = 0;
353
    vps->layer_id_included_flag[0][0] = 1;
354
355
    vps->vps_timing_info_present_flag = 1;
356
    if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
357
        vps->vps_num_units_in_tick  = avctx->framerate.den;
358
        vps->vps_time_scale         = avctx->framerate.num;
359
        vps->vps_poc_proportional_to_timing_flag = 1;
360
        vps->vps_num_ticks_poc_diff_one_minus1   = 0;
361
    } else {
362
        vps->vps_num_units_in_tick  = avctx->time_base.num;
363
        vps->vps_time_scale         = avctx->time_base.den;
364
        vps->vps_poc_proportional_to_timing_flag = 0;
365
    }
366
    vps->vps_num_hrd_parameters = 0;
367
368
369
    // SPS
370
371
    sps->nal_unit_header = (H265RawNALUnitHeader) {
372
        .nal_unit_type         = HEVC_NAL_SPS,
373
        .nuh_layer_id          = 0,
374
        .nuh_temporal_id_plus1 = 1,
375
    };
376
377
    sps->sps_video_parameter_set_id = vps->vps_video_parameter_set_id;
378
379
    sps->sps_max_sub_layers_minus1    = vps->vps_max_sub_layers_minus1;
380
    sps->sps_temporal_id_nesting_flag = vps->vps_temporal_id_nesting_flag;
381
382
    sps->profile_tier_level = vps->profile_tier_level;
383
384
    sps->sps_seq_parameter_set_id = 0;
385
386
    sps->chroma_format_idc          = chroma_format;
387
    sps->separate_colour_plane_flag = 0;
388
389
    sps->pic_width_in_luma_samples  = ctx->surface_width;
390
    sps->pic_height_in_luma_samples = ctx->surface_height;
391
392
    if (avctx->width  != ctx->surface_width ||
393
        avctx->height != ctx->surface_height) {
394
        sps->conformance_window_flag = 1;
395
        sps->conf_win_left_offset   = 0;
396
        sps->conf_win_right_offset  =
397
            (ctx->surface_width - avctx->width) >> desc->log2_chroma_w;
398
        sps->conf_win_top_offset    = 0;
399
        sps->conf_win_bottom_offset =
400
            (ctx->surface_height - avctx->height) >> desc->log2_chroma_h;
401
    } else {
402
        sps->conformance_window_flag = 0;
403
    }
404
405
    sps->bit_depth_luma_minus8   = bit_depth - 8;
406
    sps->bit_depth_chroma_minus8 = bit_depth - 8;
407
408
    sps->log2_max_pic_order_cnt_lsb_minus4 = 8;
409
410
    sps->sps_sub_layer_ordering_info_present_flag =
411
        vps->vps_sub_layer_ordering_info_present_flag;
412
    for (i = 0; i <= sps->sps_max_sub_layers_minus1; i++) {
413
        sps->sps_max_dec_pic_buffering_minus1[i] =
414
            vps->vps_max_dec_pic_buffering_minus1[i];
415
        sps->sps_max_num_reorder_pics[i] =
416
            vps->vps_max_num_reorder_pics[i];
417
        sps->sps_max_latency_increase_plus1[i] =
418
            vps->vps_max_latency_increase_plus1[i];
419
    }
420
421
    // These have to come from the capabilities of the encoder.  We have no
422
    // way to query them, so just hardcode parameters which work on the Intel
423
    // driver.
424
    // CTB size from 8x8 to 32x32.
425
    sps->log2_min_luma_coding_block_size_minus3   = 0;
426
    sps->log2_diff_max_min_luma_coding_block_size = 2;
427
    // Transform size from 4x4 to 32x32.
428
    sps->log2_min_luma_transform_block_size_minus2   = 0;
429
    sps->log2_diff_max_min_luma_transform_block_size = 3;
430
    // Full transform hierarchy allowed (2-5).
431
    sps->max_transform_hierarchy_depth_inter = 3;
432
    sps->max_transform_hierarchy_depth_intra = 3;
433
    // AMP works.
434
    sps->amp_enabled_flag = 1;
435
    // SAO and temporal MVP do not work.
436
    sps->sample_adaptive_offset_enabled_flag = 0;
437
    sps->sps_temporal_mvp_enabled_flag       = 0;
438
439
    sps->pcm_enabled_flag = 0;
440
441
    // STRPSs should ideally be here rather than defined individually in
442
    // each slice, but the structure isn't completely fixed so for now
443
    // don't bother.
444
    sps->num_short_term_ref_pic_sets     = 0;
445
    sps->long_term_ref_pics_present_flag = 0;
446
447
    sps->vui_parameters_present_flag = 1;
448
449
    if (avctx->sample_aspect_ratio.num != 0 &&
450
        avctx->sample_aspect_ratio.den != 0) {
451
        static const AVRational sar_idc[] = {
452
            {   0,  0 },
453
            {   1,  1 }, {  12, 11 }, {  10, 11 }, {  16, 11 },
454
            {  40, 33 }, {  24, 11 }, {  20, 11 }, {  32, 11 },
455
            {  80, 33 }, {  18, 11 }, {  15, 11 }, {  64, 33 },
456
            { 160, 99 }, {   4,  3 }, {   3,  2 }, {   2,  1 },
457
        };
458
        int num, den, i;
459
        av_reduce(&num, &den, avctx->sample_aspect_ratio.num,
460
                  avctx->sample_aspect_ratio.den, 65535);
461
        for (i = 0; i < FF_ARRAY_ELEMS(sar_idc); i++) {
462
            if (num == sar_idc[i].num &&
463
                den == sar_idc[i].den) {
464
                vui->aspect_ratio_idc = i;
465
                break;
466
            }
467
        }
468
        if (i >= FF_ARRAY_ELEMS(sar_idc)) {
469
            vui->aspect_ratio_idc = 255;
470
            vui->sar_width  = num;
471
            vui->sar_height = den;
472
        }
473
        vui->aspect_ratio_info_present_flag = 1;
474
    }
475
476
    // Unspecified video format, from table E-2.
477
    vui->video_format             = 5;
478
    vui->video_full_range_flag    =
479
        avctx->color_range == AVCOL_RANGE_JPEG;
480
    vui->colour_primaries         = avctx->color_primaries;
481
    vui->transfer_characteristics = avctx->color_trc;
482
    vui->matrix_coefficients      = avctx->colorspace;
483
    if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
484
        avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||
485
        avctx->colorspace      != AVCOL_SPC_UNSPECIFIED)
486
        vui->colour_description_present_flag = 1;
487
    if (avctx->color_range     != AVCOL_RANGE_UNSPECIFIED ||
488
        vui->colour_description_present_flag)
489
        vui->video_signal_type_present_flag = 1;
490
491
    if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) {
492
        vui->chroma_loc_info_present_flag = 1;
493
        vui->chroma_sample_loc_type_top_field    =
494
        vui->chroma_sample_loc_type_bottom_field =
495
            avctx->chroma_sample_location - 1;
496
    }
497
498
    vui->vui_timing_info_present_flag        = 1;
499
    vui->vui_num_units_in_tick               = vps->vps_num_units_in_tick;
500
    vui->vui_time_scale                      = vps->vps_time_scale;
501
    vui->vui_poc_proportional_to_timing_flag = vps->vps_poc_proportional_to_timing_flag;
502
    vui->vui_num_ticks_poc_diff_one_minus1   = vps->vps_num_ticks_poc_diff_one_minus1;
503
    vui->vui_hrd_parameters_present_flag     = 0;
504
505
    vui->bitstream_restriction_flag    = 1;
506
    vui->motion_vectors_over_pic_boundaries_flag = 1;
507
    vui->restricted_ref_pic_lists_flag = 1;
508
    vui->max_bytes_per_pic_denom       = 0;
509
    vui->max_bits_per_min_cu_denom     = 0;
510
    vui->log2_max_mv_length_horizontal = 15;
511
    vui->log2_max_mv_length_vertical   = 15;
512
513
514
    // PPS
515
516
    pps->nal_unit_header = (H265RawNALUnitHeader) {
517
        .nal_unit_type         = HEVC_NAL_PPS,
518
        .nuh_layer_id          = 0,
519
        .nuh_temporal_id_plus1 = 1,
520
    };
521
522
    pps->pps_pic_parameter_set_id = 0;
523
    pps->pps_seq_parameter_set_id = sps->sps_seq_parameter_set_id;
524
525
    pps->num_ref_idx_l0_default_active_minus1 = 0;
526
    pps->num_ref_idx_l1_default_active_minus1 = 0;
527
528
    pps->init_qp_minus26 = priv->fixed_qp_idr - 26;
529
530
    pps->cu_qp_delta_enabled_flag = (ctx->va_rc_mode != VA_RC_CQP);
531
    pps->diff_cu_qp_delta_depth   = 0;
532
533
    if (ctx->tile_rows && ctx->tile_cols) {
534
        int uniform_spacing;
535
536
        pps->tiles_enabled_flag      = 1;
537
        pps->num_tile_columns_minus1 = ctx->tile_cols - 1;
538
        pps->num_tile_rows_minus1    = ctx->tile_rows - 1;
539
540
        // Test whether the spacing provided matches the H.265 uniform
541
        // spacing, and set the flag if it does.
542
        uniform_spacing = 1;
543
        for (i = 0; i <= pps->num_tile_columns_minus1 &&
544
                    uniform_spacing; i++) {
545
            if (ctx->col_width[i] !=
546
                (i + 1) * ctx->slice_block_cols / ctx->tile_cols -
547
                 i      * ctx->slice_block_cols / ctx->tile_cols)
548
                uniform_spacing = 0;
549
        }
550
        for (i = 0; i <= pps->num_tile_rows_minus1 &&
551
                    uniform_spacing; i++) {
552
            if (ctx->row_height[i] !=
553
                (i + 1) * ctx->slice_block_rows / ctx->tile_rows -
554
                 i      * ctx->slice_block_rows / ctx->tile_rows)
555
                uniform_spacing = 0;
556
        }
557
        pps->uniform_spacing_flag = uniform_spacing;
558
559
        for (i = 0; i <= pps->num_tile_columns_minus1; i++)
560
            pps->column_width_minus1[i] = ctx->col_width[i] - 1;
561
        for (i = 0; i <= pps->num_tile_rows_minus1; i++)
562
            pps->row_height_minus1[i]   = ctx->row_height[i] - 1;
563
564
        pps->loop_filter_across_tiles_enabled_flag = 1;
565
    }
566
567
    pps->pps_loop_filter_across_slices_enabled_flag = 1;
568
569
    // Fill VAAPI parameter buffers.
570
571
    *vseq = (VAEncSequenceParameterBufferHEVC) {
572
        .general_profile_idc = vps->profile_tier_level.general_profile_idc,
573
        .general_level_idc   = vps->profile_tier_level.general_level_idc,
574
        .general_tier_flag   = vps->profile_tier_level.general_tier_flag,
575
576
        .intra_period     = ctx->gop_size,
577
        .intra_idr_period = ctx->gop_size,
578
        .ip_period        = ctx->b_per_p + 1,
579
        .bits_per_second  = ctx->va_bit_rate,
580
581
        .pic_width_in_luma_samples  = sps->pic_width_in_luma_samples,
582
        .pic_height_in_luma_samples = sps->pic_height_in_luma_samples,
583
584
        .seq_fields.bits = {
585
            .chroma_format_idc             = sps->chroma_format_idc,
586
            .separate_colour_plane_flag    = sps->separate_colour_plane_flag,
587
            .bit_depth_luma_minus8         = sps->bit_depth_luma_minus8,
588
            .bit_depth_chroma_minus8       = sps->bit_depth_chroma_minus8,
589
            .scaling_list_enabled_flag     = sps->scaling_list_enabled_flag,
590
            .strong_intra_smoothing_enabled_flag =
591
                sps->strong_intra_smoothing_enabled_flag,
592
            .amp_enabled_flag              = sps->amp_enabled_flag,
593
            .sample_adaptive_offset_enabled_flag =
594
                sps->sample_adaptive_offset_enabled_flag,
595
            .pcm_enabled_flag              = sps->pcm_enabled_flag,
596
            .pcm_loop_filter_disabled_flag = sps->pcm_loop_filter_disabled_flag,
597
            .sps_temporal_mvp_enabled_flag = sps->sps_temporal_mvp_enabled_flag,
598
        },
599
600
        .log2_min_luma_coding_block_size_minus3 =
601
            sps->log2_min_luma_coding_block_size_minus3,
602
        .log2_diff_max_min_luma_coding_block_size =
603
            sps->log2_diff_max_min_luma_coding_block_size,
604
        .log2_min_transform_block_size_minus2 =
605
            sps->log2_min_luma_transform_block_size_minus2,
606
        .log2_diff_max_min_transform_block_size =
607
            sps->log2_diff_max_min_luma_transform_block_size,
608
        .max_transform_hierarchy_depth_inter =
609
            sps->max_transform_hierarchy_depth_inter,
610
        .max_transform_hierarchy_depth_intra =
611
            sps->max_transform_hierarchy_depth_intra,
612
613
        .pcm_sample_bit_depth_luma_minus1 =
614
            sps->pcm_sample_bit_depth_luma_minus1,
615
        .pcm_sample_bit_depth_chroma_minus1 =
616
            sps->pcm_sample_bit_depth_chroma_minus1,
617
        .log2_min_pcm_luma_coding_block_size_minus3 =
618
            sps->log2_min_pcm_luma_coding_block_size_minus3,
619
        .log2_max_pcm_luma_coding_block_size_minus3 =
620
            sps->log2_min_pcm_luma_coding_block_size_minus3 +
621
            sps->log2_diff_max_min_pcm_luma_coding_block_size,
622
623
        .vui_parameters_present_flag = 0,
624
    };
625
626
    *vpic = (VAEncPictureParameterBufferHEVC) {
627
        .decoded_curr_pic = {
628
            .picture_id = VA_INVALID_ID,
629
            .flags      = VA_PICTURE_HEVC_INVALID,
630
        },
631
632
        .coded_buf = VA_INVALID_ID,
633
634
        .collocated_ref_pic_index = 0xff,
635
636
        .last_picture = 0,
637
638
        .pic_init_qp            = pps->init_qp_minus26 + 26,
639
        .diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth,
640
        .pps_cb_qp_offset       = pps->pps_cb_qp_offset,
641
        .pps_cr_qp_offset       = pps->pps_cr_qp_offset,
642
643
        .num_tile_columns_minus1 = pps->num_tile_columns_minus1,
644
        .num_tile_rows_minus1    = pps->num_tile_rows_minus1,
645
646
        .log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level_minus2,
647
        .ctu_max_bitsize_allowed          = 0,
648
649
        .num_ref_idx_l0_default_active_minus1 =
650
            pps->num_ref_idx_l0_default_active_minus1,
651
        .num_ref_idx_l1_default_active_minus1 =
652
            pps->num_ref_idx_l1_default_active_minus1,
653
654
        .slice_pic_parameter_set_id = pps->pps_pic_parameter_set_id,
655
656
        .pic_fields.bits = {
657
            .sign_data_hiding_enabled_flag  = pps->sign_data_hiding_enabled_flag,
658
            .constrained_intra_pred_flag    = pps->constrained_intra_pred_flag,
659
            .transform_skip_enabled_flag    = pps->transform_skip_enabled_flag,
660
            .cu_qp_delta_enabled_flag       = pps->cu_qp_delta_enabled_flag,
661
            .weighted_pred_flag             = pps->weighted_pred_flag,
662
            .weighted_bipred_flag           = pps->weighted_bipred_flag,
663
            .transquant_bypass_enabled_flag = pps->transquant_bypass_enabled_flag,
664
            .tiles_enabled_flag             = pps->tiles_enabled_flag,
665
            .entropy_coding_sync_enabled_flag = pps->entropy_coding_sync_enabled_flag,
666
            .loop_filter_across_tiles_enabled_flag =
667
                pps->loop_filter_across_tiles_enabled_flag,
668
            .scaling_list_data_present_flag = (sps->sps_scaling_list_data_present_flag |
669
                                               pps->pps_scaling_list_data_present_flag),
670
            .screen_content_flag            = 0,
671
            .enable_gpu_weighted_prediction = 0,
672
            .no_output_of_prior_pics_flag   = 0,
673
        },
674
    };
675
676
    if (pps->tiles_enabled_flag) {
677
        for (i = 0; i <= vpic->num_tile_rows_minus1; i++)
678
            vpic->row_height_minus1[i]   = pps->row_height_minus1[i];
679
        for (i = 0; i <= vpic->num_tile_columns_minus1; i++)
680
            vpic->column_width_minus1[i] = pps->column_width_minus1[i];
681
    }
682
683
    return 0;
684
}
685
686
static int vaapi_encode_h265_init_picture_params(AVCodecContext *avctx,
687
                                                 VAAPIEncodePicture *pic)
688
{
689
    VAAPIEncodeContext               *ctx = avctx->priv_data;
690
    VAAPIEncodeH265Context          *priv = avctx->priv_data;
691
    VAAPIEncodeH265Picture          *hpic = pic->priv_data;
692
    VAAPIEncodePicture              *prev = pic->prev;
693
    VAAPIEncodeH265Picture         *hprev = prev ? prev->priv_data : NULL;
694
    VAEncPictureParameterBufferHEVC *vpic = pic->codec_picture_params;
695
    int i;
696
697
    if (pic->type == PICTURE_TYPE_IDR) {
698
        av_assert0(pic->display_order == pic->encode_order);
699
700
        hpic->last_idr_frame = pic->display_order;
701
702
        hpic->slice_nal_unit = HEVC_NAL_IDR_W_RADL;
703
        hpic->slice_type     = HEVC_SLICE_I;
704
        hpic->pic_type       = 0;
705
    } else {
706
        av_assert0(prev);
707
        hpic->last_idr_frame = hprev->last_idr_frame;
708
709
        if (pic->type == PICTURE_TYPE_I) {
710
            hpic->slice_nal_unit = HEVC_NAL_CRA_NUT;
711
            hpic->slice_type     = HEVC_SLICE_I;
712
            hpic->pic_type       = 0;
713
        } else if (pic->type == PICTURE_TYPE_P) {
714
            av_assert0(pic->refs[0]);
715
            hpic->slice_nal_unit = HEVC_NAL_TRAIL_R;
716
            hpic->slice_type     = HEVC_SLICE_P;
717
            hpic->pic_type       = 1;
718
        } else {
719
            VAAPIEncodePicture *irap_ref;
720
            av_assert0(pic->refs[0] && pic->refs[1]);
721
            for (irap_ref = pic; irap_ref; irap_ref = irap_ref->refs[1]) {
722
                if (irap_ref->type == PICTURE_TYPE_I)
723
                    break;
724
            }
725
            if (pic->b_depth == ctx->max_b_depth) {
726
                hpic->slice_nal_unit = irap_ref ? HEVC_NAL_RASL_N
727
                                                : HEVC_NAL_TRAIL_N;
728
            } else {
729
                hpic->slice_nal_unit = irap_ref ? HEVC_NAL_RASL_R
730
                                                : HEVC_NAL_TRAIL_R;
731
            }
732
            hpic->slice_type = HEVC_SLICE_B;
733
            hpic->pic_type   = 2;
734
        }
735
    }
736
    hpic->pic_order_cnt = pic->display_order - hpic->last_idr_frame;
737
738
    if (priv->aud) {
739
        priv->aud_needed = 1;
740
        priv->raw_aud = (H265RawAUD) {
741
            .nal_unit_header = {
742
                .nal_unit_type         = HEVC_NAL_AUD,
743
                .nuh_layer_id          = 0,
744
                .nuh_temporal_id_plus1 = 1,
745
            },
746
            .pic_type = hpic->pic_type,
747
        };
748
    } else {
749
        priv->aud_needed = 0;
750
    }
751
752
    priv->sei_needed = 0;
753
754
    // Only look for the metadata on I/IDR frame on the output. We
755
    // may force an IDR frame on the output where the medadata gets
756
    // changed on the input frame.
757
    if ((priv->sei & SEI_MASTERING_DISPLAY) &&
758
        (pic->type == PICTURE_TYPE_I || pic->type == PICTURE_TYPE_IDR)) {
759
        AVFrameSideData *sd =
760
            av_frame_get_side_data(pic->input_image,
761
                                   AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
762
763
        if (sd) {
764
            AVMasteringDisplayMetadata *mdm =
765
                (AVMasteringDisplayMetadata *)sd->data;
766
767
            // SEI is needed when both the primaries and luminance are set
768
            if (mdm->has_primaries && mdm->has_luminance) {
769
                SEIRawMasteringDisplayColourVolume *mdcv =
770
                    &priv->sei_mastering_display;
771
                const int mapping[3] = {1, 2, 0};
772
                const int chroma_den = 50000;
773
                const int luma_den   = 10000;
774
775
                for (i = 0; i < 3; i++) {
776
                    const int j = mapping[i];
777
                    mdcv->display_primaries_x[i] =
778
                        FFMIN(lrint(chroma_den *
779
                                    av_q2d(mdm->display_primaries[j][0])),
780
                              chroma_den);
781
                    mdcv->display_primaries_y[i] =
782
                        FFMIN(lrint(chroma_den *
783
                                    av_q2d(mdm->display_primaries[j][1])),
784
                              chroma_den);
785
                }
786
787
                mdcv->white_point_x =
788
                    FFMIN(lrint(chroma_den * av_q2d(mdm->white_point[0])),
789
                          chroma_den);
790
                mdcv->white_point_y =
791
                    FFMIN(lrint(chroma_den * av_q2d(mdm->white_point[1])),
792
                          chroma_den);
793
794
                mdcv->max_display_mastering_luminance =
795
                    lrint(luma_den * av_q2d(mdm->max_luminance));
796
                mdcv->min_display_mastering_luminance =
797
                    FFMIN(lrint(luma_den * av_q2d(mdm->min_luminance)),
798
                          mdcv->max_display_mastering_luminance);
799
800
                priv->sei_needed |= SEI_MASTERING_DISPLAY;
801
            }
802
        }
803
    }
804
805
    if ((priv->sei & SEI_CONTENT_LIGHT_LEVEL) &&
806
        (pic->type == PICTURE_TYPE_I || pic->type == PICTURE_TYPE_IDR)) {
807
        AVFrameSideData *sd =
808
            av_frame_get_side_data(pic->input_image,
809
                                   AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);
810
811
        if (sd) {
812
            AVContentLightMetadata *clm =
813
                (AVContentLightMetadata *)sd->data;
814
            SEIRawContentLightLevelInfo *clli =
815
                &priv->sei_content_light_level;
816
817
            clli->max_content_light_level     = FFMIN(clm->MaxCLL,  65535);
818
            clli->max_pic_average_light_level = FFMIN(clm->MaxFALL, 65535);
819
820
            priv->sei_needed |= SEI_CONTENT_LIGHT_LEVEL;
821
        }
822
    }
823
824
    vpic->decoded_curr_pic = (VAPictureHEVC) {
825
        .picture_id    = pic->recon_surface,
826
        .pic_order_cnt = hpic->pic_order_cnt,
827
        .flags         = 0,
828
    };
829
830
    for (i = 0; i < pic->nb_refs; i++) {
831
        VAAPIEncodePicture      *ref = pic->refs[i];
832
        VAAPIEncodeH265Picture *href;
833
834
        av_assert0(ref && ref->encode_order < pic->encode_order);
835
        href = ref->priv_data;
836
837
        vpic->reference_frames[i] = (VAPictureHEVC) {
838
            .picture_id    = ref->recon_surface,
839
            .pic_order_cnt = href->pic_order_cnt,
840
            .flags = (ref->display_order < pic->display_order ?
841
                      VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE : 0) |
842
                     (ref->display_order > pic->display_order ?
843
                      VA_PICTURE_HEVC_RPS_ST_CURR_AFTER  : 0),
844
        };
845
    }
846
    for (; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++) {
847
        vpic->reference_frames[i] = (VAPictureHEVC) {
848
            .picture_id = VA_INVALID_ID,
849
            .flags      = VA_PICTURE_HEVC_INVALID,
850
        };
851
    }
852
853
    vpic->coded_buf = pic->output_buffer;
854
855
    vpic->nal_unit_type = hpic->slice_nal_unit;
856
857
    switch (pic->type) {
858
    case PICTURE_TYPE_IDR:
859
        vpic->pic_fields.bits.idr_pic_flag       = 1;
860
        vpic->pic_fields.bits.coding_type        = 1;
861
        vpic->pic_fields.bits.reference_pic_flag = 1;
862
        break;
863
    case PICTURE_TYPE_I:
864
        vpic->pic_fields.bits.idr_pic_flag       = 0;
865
        vpic->pic_fields.bits.coding_type        = 1;
866
        vpic->pic_fields.bits.reference_pic_flag = 1;
867
        break;
868
    case PICTURE_TYPE_P:
869
        vpic->pic_fields.bits.idr_pic_flag       = 0;
870
        vpic->pic_fields.bits.coding_type        = 2;
871
        vpic->pic_fields.bits.reference_pic_flag = 1;
872
        break;
873
    case PICTURE_TYPE_B:
874
        vpic->pic_fields.bits.idr_pic_flag       = 0;
875
        vpic->pic_fields.bits.coding_type        = 3;
876
        vpic->pic_fields.bits.reference_pic_flag = 0;
877
        break;
878
    default:
879
        av_assert0(0 && "invalid picture type");
880
    }
881
882
    return 0;
883
}
884
885
static int vaapi_encode_h265_init_slice_params(AVCodecContext *avctx,
886
                                               VAAPIEncodePicture *pic,
887
                                               VAAPIEncodeSlice *slice)
888
{
889
    VAAPIEncodeH265Context           *priv = avctx->priv_data;
890
    VAAPIEncodeH265Picture           *hpic = pic->priv_data;
891
    const H265RawSPS                  *sps = &priv->raw_sps;
892
    const H265RawPPS                  *pps = &priv->raw_pps;
893
    H265RawSliceHeader                 *sh = &priv->raw_slice.header;
894
    VAEncPictureParameterBufferHEVC  *vpic = pic->codec_picture_params;
895
    VAEncSliceParameterBufferHEVC  *vslice = slice->codec_slice_params;
896
    int i;
897
898
    sh->nal_unit_header = (H265RawNALUnitHeader) {
899
        .nal_unit_type         = hpic->slice_nal_unit,
900
        .nuh_layer_id          = 0,
901
        .nuh_temporal_id_plus1 = 1,
902
    };
903
904
    sh->slice_pic_parameter_set_id      = pps->pps_pic_parameter_set_id;
905
906
    sh->first_slice_segment_in_pic_flag = slice->index == 0;
907
    sh->slice_segment_address           = slice->block_start;
908
909
    sh->slice_type = hpic->slice_type;
910
911
    sh->slice_pic_order_cnt_lsb = hpic->pic_order_cnt &
912
        (1 << (sps->log2_max_pic_order_cnt_lsb_minus4 + 4)) - 1;
913
914
    if (pic->type != PICTURE_TYPE_IDR) {
915
        H265RawSTRefPicSet *rps;
916
        const VAAPIEncodeH265Picture *strp;
917
        int rps_poc[MAX_DPB_SIZE];
918
        int rps_used[MAX_DPB_SIZE];
919
        int i, j, poc, rps_pics;
920
921
        sh->short_term_ref_pic_set_sps_flag = 0;
922
923
        rps = &sh->short_term_ref_pic_set;
924
        memset(rps, 0, sizeof(*rps));
925
926
        rps_pics = 0;
927
        for (i = 0; i < pic->nb_refs; i++) {
928
            strp = pic->refs[i]->priv_data;
929
            rps_poc[rps_pics]  = strp->pic_order_cnt;
930
            rps_used[rps_pics] = 1;
931
            ++rps_pics;
932
        }
933
        for (i = 0; i < pic->nb_dpb_pics; i++) {
934
            if (pic->dpb[i] == pic)
935
                continue;
936
            for (j = 0; j < pic->nb_refs; j++) {
937
                if (pic->dpb[i] == pic->refs[j])
938
                    break;
939
            }
940
            if (j < pic->nb_refs)
941
                continue;
942
            strp = pic->dpb[i]->priv_data;
943
            rps_poc[rps_pics]  = strp->pic_order_cnt;
944
            rps_used[rps_pics] = 0;
945
            ++rps_pics;
946
        }
947
948
        for (i = 1; i < rps_pics; i++) {
949
            for (j = i; j > 0; j--) {
950
                if (rps_poc[j] > rps_poc[j - 1])
951
                    break;
952
                av_assert0(rps_poc[j] != rps_poc[j - 1]);
953
                FFSWAP(int, rps_poc[j],  rps_poc[j - 1]);
954
                FFSWAP(int, rps_used[j], rps_used[j - 1]);
955
            }
956
        }
957
958
        av_log(avctx, AV_LOG_DEBUG, "RPS for POC %d:",
959
               hpic->pic_order_cnt);
960
        for (i = 0; i < rps_pics; i++) {
961
            av_log(avctx, AV_LOG_DEBUG, " (%d,%d)",
962
                   rps_poc[i], rps_used[i]);
963
        }
964
        av_log(avctx, AV_LOG_DEBUG, "\n");
965
966
        for (i = 0; i < rps_pics; i++) {
967
            av_assert0(rps_poc[i] != hpic->pic_order_cnt);
968
            if (rps_poc[i] > hpic->pic_order_cnt)
969
                break;
970
        }
971
972
        rps->num_negative_pics = i;
973
        poc = hpic->pic_order_cnt;
974
        for (j = i - 1; j >= 0; j--) {
975
            rps->delta_poc_s0_minus1[i - 1 - j] = poc - rps_poc[j] - 1;
976
            rps->used_by_curr_pic_s0_flag[i - 1 - j] = rps_used[j];
977
            poc = rps_poc[j];
978
        }
979
980
        rps->num_positive_pics = rps_pics - i;
981
        poc = hpic->pic_order_cnt;
982
        for (j = i; j < rps_pics; j++) {
983
            rps->delta_poc_s1_minus1[j - i] = rps_poc[j] - poc - 1;
984
            rps->used_by_curr_pic_s1_flag[j - i] = rps_used[j];
985
            poc = rps_poc[j];
986
        }
987
988
        sh->num_long_term_sps  = 0;
989
        sh->num_long_term_pics = 0;
990
991
        sh->slice_temporal_mvp_enabled_flag =
992
            sps->sps_temporal_mvp_enabled_flag;
993
        if (sh->slice_temporal_mvp_enabled_flag) {
994
            sh->collocated_from_l0_flag = sh->slice_type == HEVC_SLICE_B;
995
            sh->collocated_ref_idx      = 0;
996
        }
997
998
        sh->num_ref_idx_active_override_flag = 0;
999
        sh->num_ref_idx_l0_active_minus1 = pps->num_ref_idx_l0_default_active_minus1;
1000
        sh->num_ref_idx_l1_active_minus1 = pps->num_ref_idx_l1_default_active_minus1;
1001
    }
1002
1003
    sh->slice_sao_luma_flag = sh->slice_sao_chroma_flag =
1004
        sps->sample_adaptive_offset_enabled_flag;
1005
1006
    if (pic->type == PICTURE_TYPE_B)
1007
        sh->slice_qp_delta = priv->fixed_qp_b - (pps->init_qp_minus26 + 26);
1008
    else if (pic->type == PICTURE_TYPE_P)
1009
        sh->slice_qp_delta = priv->fixed_qp_p - (pps->init_qp_minus26 + 26);
1010
    else
1011
        sh->slice_qp_delta = priv->fixed_qp_idr - (pps->init_qp_minus26 + 26);
1012
1013
1014
    *vslice = (VAEncSliceParameterBufferHEVC) {
1015
        .slice_segment_address = sh->slice_segment_address,
1016
        .num_ctu_in_slice      = slice->block_size,
1017
1018
        .slice_type                 = sh->slice_type,
1019
        .slice_pic_parameter_set_id = sh->slice_pic_parameter_set_id,
1020
1021
        .num_ref_idx_l0_active_minus1 = sh->num_ref_idx_l0_active_minus1,
1022
        .num_ref_idx_l1_active_minus1 = sh->num_ref_idx_l1_active_minus1,
1023
1024
        .luma_log2_weight_denom         = sh->luma_log2_weight_denom,
1025
        .delta_chroma_log2_weight_denom = sh->delta_chroma_log2_weight_denom,
1026
1027
        .max_num_merge_cand = 5 - sh->five_minus_max_num_merge_cand,
1028
1029
        .slice_qp_delta     = sh->slice_qp_delta,
1030
        .slice_cb_qp_offset = sh->slice_cb_qp_offset,
1031
        .slice_cr_qp_offset = sh->slice_cr_qp_offset,
1032
1033
        .slice_beta_offset_div2 = sh->slice_beta_offset_div2,
1034
        .slice_tc_offset_div2   = sh->slice_tc_offset_div2,
1035
1036
        .slice_fields.bits = {
1037
            .last_slice_of_pic_flag       = slice->index == pic->nb_slices - 1,
1038
            .dependent_slice_segment_flag = sh->dependent_slice_segment_flag,
1039
            .colour_plane_id              = sh->colour_plane_id,
1040
            .slice_temporal_mvp_enabled_flag =
1041
                sh->slice_temporal_mvp_enabled_flag,
1042
            .slice_sao_luma_flag          = sh->slice_sao_luma_flag,
1043
            .slice_sao_chroma_flag        = sh->slice_sao_chroma_flag,
1044
            .num_ref_idx_active_override_flag =
1045
                sh->num_ref_idx_active_override_flag,
1046
            .mvd_l1_zero_flag             = sh->mvd_l1_zero_flag,
1047
            .cabac_init_flag              = sh->cabac_init_flag,
1048
            .slice_deblocking_filter_disabled_flag =
1049
                sh->slice_deblocking_filter_disabled_flag,
1050
            .slice_loop_filter_across_slices_enabled_flag =
1051
                sh->slice_loop_filter_across_slices_enabled_flag,
1052
            .collocated_from_l0_flag      = sh->collocated_from_l0_flag,
1053
        },
1054
    };
1055
1056
    for (i = 0; i < FF_ARRAY_ELEMS(vslice->ref_pic_list0); i++) {
1057
        vslice->ref_pic_list0[i].picture_id = VA_INVALID_ID;
1058
        vslice->ref_pic_list0[i].flags      = VA_PICTURE_HEVC_INVALID;
1059
        vslice->ref_pic_list1[i].picture_id = VA_INVALID_ID;
1060
        vslice->ref_pic_list1[i].flags      = VA_PICTURE_HEVC_INVALID;
1061
    }
1062
1063
    av_assert0(pic->nb_refs <= 2);
1064
    if (pic->nb_refs >= 1) {
1065
        // Backward reference for P- or B-frame.
1066
        av_assert0(pic->type == PICTURE_TYPE_P ||
1067
                   pic->type == PICTURE_TYPE_B);
1068
        vslice->ref_pic_list0[0] = vpic->reference_frames[0];
1069
    }
1070
    if (pic->nb_refs >= 2) {
1071
        // Forward reference for B-frame.
1072
        av_assert0(pic->type == PICTURE_TYPE_B);
1073
        vslice->ref_pic_list1[0] = vpic->reference_frames[1];
1074
    }
1075
1076
    return 0;
1077
}
1078
1079
static av_cold int vaapi_encode_h265_configure(AVCodecContext *avctx)
1080
{
1081
    VAAPIEncodeContext      *ctx = avctx->priv_data;
1082
    VAAPIEncodeH265Context *priv = avctx->priv_data;
1083
    int err;
1084
1085
    err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_HEVC, avctx);
1086
    if (err < 0)
1087
        return err;
1088
1089
    if (ctx->va_rc_mode == VA_RC_CQP) {
1090
        // Note that VAAPI only supports positive QP values - the range is
1091
        // therefore always bounded below by 1, even in 10-bit mode where
1092
        // it should go down to -12.
1093
1094
        priv->fixed_qp_p = av_clip(ctx->rc_quality, 1, 51);
1095
        if (avctx->i_quant_factor > 0.0)
1096
            priv->fixed_qp_idr =
1097
                av_clip((avctx->i_quant_factor * priv->fixed_qp_p +
1098
                         avctx->i_quant_offset) + 0.5, 1, 51);
1099
        else
1100
            priv->fixed_qp_idr = priv->fixed_qp_p;
1101
        if (avctx->b_quant_factor > 0.0)
1102
            priv->fixed_qp_b =
1103
                av_clip((avctx->b_quant_factor * priv->fixed_qp_p +
1104
                         avctx->b_quant_offset) + 0.5, 1, 51);
1105
        else
1106
            priv->fixed_qp_b = priv->fixed_qp_p;
1107
1108
        av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "
1109
               "%d / %d / %d for IDR- / P- / B-frames.\n",
1110
               priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
1111
1112
    } else {
1113
        // These still need to be set for init_qp/slice_qp_delta.
1114
        priv->fixed_qp_idr = 30;
1115
        priv->fixed_qp_p   = 30;
1116
        priv->fixed_qp_b   = 30;
1117
    }
1118
1119
    ctx->roi_quant_range = 51 + 6 * (ctx->profile->depth - 8);
1120
1121
    return 0;
1122
}
1123
1124
static const VAAPIEncodeProfile vaapi_encode_h265_profiles[] = {
1125
    { FF_PROFILE_HEVC_MAIN,     8, 3, 1, 1, VAProfileHEVCMain       },
1126
    { FF_PROFILE_HEVC_REXT,     8, 3, 1, 1, VAProfileHEVCMain       },
1127
#if VA_CHECK_VERSION(0, 37, 0)
1128
    { FF_PROFILE_HEVC_MAIN_10, 10, 3, 1, 1, VAProfileHEVCMain10     },
1129
    { FF_PROFILE_HEVC_REXT,    10, 3, 1, 1, VAProfileHEVCMain10     },
1130
#endif
1131
#if VA_CHECK_VERSION(1, 2, 0)
1132
    { FF_PROFILE_HEVC_REXT,     8, 3, 1, 0, VAProfileHEVCMain422_10 },
1133
    { FF_PROFILE_HEVC_REXT,    10, 3, 1, 0, VAProfileHEVCMain422_10 },
1134
#endif
1135
    { FF_PROFILE_UNKNOWN }
1136
};
1137
1138
static const VAAPIEncodeType vaapi_encode_type_h265 = {
1139
    .profiles              = vaapi_encode_h265_profiles,
1140
1141
    .flags                 = FLAG_SLICE_CONTROL |
1142
                             FLAG_B_PICTURES |
1143
                             FLAG_B_PICTURE_REFERENCES |
1144
                             FLAG_NON_IDR_KEY_PICTURES,
1145
1146
    .default_quality       = 25,
1147
1148
    .configure             = &vaapi_encode_h265_configure,
1149
1150
    .picture_priv_data_size = sizeof(VAAPIEncodeH265Picture),
1151
1152
    .sequence_params_size  = sizeof(VAEncSequenceParameterBufferHEVC),
1153
    .init_sequence_params  = &vaapi_encode_h265_init_sequence_params,
1154
1155
    .picture_params_size   = sizeof(VAEncPictureParameterBufferHEVC),
1156
    .init_picture_params   = &vaapi_encode_h265_init_picture_params,
1157
1158
    .slice_params_size     = sizeof(VAEncSliceParameterBufferHEVC),
1159
    .init_slice_params     = &vaapi_encode_h265_init_slice_params,
1160
1161
    .sequence_header_type  = VAEncPackedHeaderSequence,
1162
    .write_sequence_header = &vaapi_encode_h265_write_sequence_header,
1163
1164
    .slice_header_type     = VAEncPackedHeaderHEVC_Slice,
1165
    .write_slice_header    = &vaapi_encode_h265_write_slice_header,
1166
1167
    .write_extra_header    = &vaapi_encode_h265_write_extra_header,
1168
};
1169
1170
static av_cold int vaapi_encode_h265_init(AVCodecContext *avctx)
1171
{
1172
    VAAPIEncodeContext      *ctx = avctx->priv_data;
1173
    VAAPIEncodeH265Context *priv = avctx->priv_data;
1174
1175
    ctx->codec = &vaapi_encode_type_h265;
1176
1177
    if (avctx->profile == FF_PROFILE_UNKNOWN)
1178
        avctx->profile = priv->profile;
1179
    if (avctx->level == FF_LEVEL_UNKNOWN)
1180
        avctx->level = priv->level;
1181
1182
    if (avctx->level != FF_LEVEL_UNKNOWN && avctx->level & ~0xff) {
1183
        av_log(avctx, AV_LOG_ERROR, "Invalid level %d: must fit "
1184
               "in 8-bit unsigned integer.\n", avctx->level);
1185
        return AVERROR(EINVAL);
1186
    }
1187
1188
    ctx->desired_packed_headers =
1189
        VA_ENC_PACKED_HEADER_SEQUENCE | // VPS, SPS and PPS.
1190
        VA_ENC_PACKED_HEADER_SLICE    | // Slice headers.
1191
        VA_ENC_PACKED_HEADER_MISC;      // SEI
1192
1193
    ctx->surface_width  = FFALIGN(avctx->width,  16);
1194
    ctx->surface_height = FFALIGN(avctx->height, 16);
1195
1196
    // CTU size is currently hard-coded to 32.
1197
    ctx->slice_block_width = ctx->slice_block_height = 32;
1198
1199
    if (priv->qp > 0)
1200
        ctx->explicit_qp = priv->qp;
1201
1202
    return ff_vaapi_encode_init(avctx);
1203
}
1204
1205
static av_cold int vaapi_encode_h265_close(AVCodecContext *avctx)
1206
{
1207
    VAAPIEncodeH265Context *priv = avctx->priv_data;
1208
1209
    ff_cbs_fragment_free(&priv->current_access_unit);
1210
    ff_cbs_close(&priv->cbc);
1211
1212
    return ff_vaapi_encode_close(avctx);
1213
}
1214
1215
#define OFFSET(x) offsetof(VAAPIEncodeH265Context, x)
1216
#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
1217
static const AVOption vaapi_encode_h265_options[] = {
1218
    VAAPI_ENCODE_COMMON_OPTIONS,
1219
    VAAPI_ENCODE_RC_OPTIONS,
1220
1221
    { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
1222
      OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 52, FLAGS },
1223
1224
    { "aud", "Include AUD",
1225
      OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
1226
1227
    { "profile", "Set profile (general_profile_idc)",
1228
      OFFSET(profile), AV_OPT_TYPE_INT,
1229
      { .i64 = FF_PROFILE_UNKNOWN }, FF_PROFILE_UNKNOWN, 0xff, FLAGS, "profile" },
1230
1231
#define PROFILE(name, value)  name, NULL, 0, AV_OPT_TYPE_CONST, \
1232
      { .i64 = value }, 0, 0, FLAGS, "profile"
1233
    { PROFILE("main",               FF_PROFILE_HEVC_MAIN) },
1234
    { PROFILE("main10",             FF_PROFILE_HEVC_MAIN_10) },
1235
    { PROFILE("rext",               FF_PROFILE_HEVC_REXT) },
1236
#undef PROFILE
1237
1238
    { "tier", "Set tier (general_tier_flag)",
1239
      OFFSET(tier), AV_OPT_TYPE_INT,
1240
      { .i64 = 0 }, 0, 1, FLAGS, "tier" },
1241
    { "main", NULL, 0, AV_OPT_TYPE_CONST,
1242
      { .i64 = 0 }, 0, 0, FLAGS, "tier" },
1243
    { "high", NULL, 0, AV_OPT_TYPE_CONST,
1244
      { .i64 = 1 }, 0, 0, FLAGS, "tier" },
1245
1246
    { "level", "Set level (general_level_idc)",
1247
      OFFSET(level), AV_OPT_TYPE_INT,
1248
      { .i64 = FF_LEVEL_UNKNOWN }, FF_LEVEL_UNKNOWN, 0xff, FLAGS, "level" },
1249
1250
#define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
1251
      { .i64 = value }, 0, 0, FLAGS, "level"
1252
    { LEVEL("1",    30) },
1253
    { LEVEL("2",    60) },
1254
    { LEVEL("2.1",  63) },
1255
    { LEVEL("3",    90) },
1256
    { LEVEL("3.1",  93) },
1257
    { LEVEL("4",   120) },
1258
    { LEVEL("4.1", 123) },
1259
    { LEVEL("5",   150) },
1260
    { LEVEL("5.1", 153) },
1261
    { LEVEL("5.2", 156) },
1262
    { LEVEL("6",   180) },
1263
    { LEVEL("6.1", 183) },
1264
    { LEVEL("6.2", 186) },
1265
#undef LEVEL
1266
1267
    { "sei", "Set SEI to include",
1268
      OFFSET(sei), AV_OPT_TYPE_FLAGS,
1269
      { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },
1270
      0, INT_MAX, FLAGS, "sei" },
1271
    { "hdr",
1272
      "Include HDR metadata for mastering display colour volume "
1273
      "and content light level information",
1274
      0, AV_OPT_TYPE_CONST,
1275
      { .i64 = SEI_MASTERING_DISPLAY | SEI_CONTENT_LIGHT_LEVEL },
1276
      INT_MIN, INT_MAX, FLAGS, "sei" },
1277
1278
    { "tiles", "Tile columns x rows",
1279
      OFFSET(common.tile_cols), AV_OPT_TYPE_IMAGE_SIZE,
1280
      { .str = NULL }, 0, 0, FLAGS },
1281
1282
    { NULL },
1283
};
1284
1285
static const AVCodecDefault vaapi_encode_h265_defaults[] = {
1286
    { "b",              "0"   },
1287
    { "bf",             "2"   },
1288
    { "g",              "120" },
1289
    { "i_qfactor",      "1"   },
1290
    { "i_qoffset",      "0"   },
1291
    { "b_qfactor",      "6/5" },
1292
    { "b_qoffset",      "0"   },
1293
    { "qmin",           "-1"  },
1294
    { "qmax",           "-1"  },
1295
    { NULL },
1296
};
1297
1298
static const AVClass vaapi_encode_h265_class = {
1299
    .class_name = "h265_vaapi",
1300
    .item_name  = av_default_item_name,
1301
    .option     = vaapi_encode_h265_options,
1302
    .version    = LIBAVUTIL_VERSION_INT,
1303
};
1304
1305
AVCodec ff_hevc_vaapi_encoder = {
1306
    .name           = "hevc_vaapi",
1307
    .long_name      = NULL_IF_CONFIG_SMALL("H.265/HEVC (VAAPI)"),
1308
    .type           = AVMEDIA_TYPE_VIDEO,
1309
    .id             = AV_CODEC_ID_HEVC,
1310
    .priv_data_size = sizeof(VAAPIEncodeH265Context),
1311
    .init           = &vaapi_encode_h265_init,
1312
    .receive_packet = &ff_vaapi_encode_receive_packet,
1313
    .close          = &vaapi_encode_h265_close,
1314
    .priv_class     = &vaapi_encode_h265_class,
1315
    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
1316
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
1317
    .defaults       = vaapi_encode_h265_defaults,
1318
    .pix_fmts = (const enum AVPixelFormat[]) {
1319
        AV_PIX_FMT_VAAPI,
1320
        AV_PIX_FMT_NONE,
1321
    },
1322
    .hw_configs     = ff_vaapi_encode_hw_configs,
1323
    .wrapper_name   = "vaapi",
1324
};