GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/vaapi_encode_h264.c Lines: 0 653 0.0 %
Date: 2021-04-15 16:04:23 Branches: 0 339 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_h264.h>
23
24
#include "libavutil/avassert.h"
25
#include "libavutil/common.h"
26
#include "libavutil/internal.h"
27
#include "libavutil/opt.h"
28
29
#include "avcodec.h"
30
#include "cbs.h"
31
#include "cbs_h264.h"
32
#include "h264.h"
33
#include "h264_levels.h"
34
#include "h264_sei.h"
35
#include "internal.h"
36
#include "vaapi_encode.h"
37
38
enum {
39
    SEI_TIMING         = 0x01,
40
    SEI_IDENTIFIER     = 0x02,
41
    SEI_RECOVERY_POINT = 0x04,
42
};
43
44
// Random (version 4) ISO 11578 UUID.
45
static const uint8_t vaapi_encode_h264_sei_identifier_uuid[16] = {
46
    0x59, 0x94, 0x8b, 0x28, 0x11, 0xec, 0x45, 0xaf,
47
    0x96, 0x75, 0x19, 0xd4, 0x1f, 0xea, 0xa9, 0x4d,
48
};
49
50
typedef struct VAAPIEncodeH264Picture {
51
    int frame_num;
52
    int pic_order_cnt;
53
54
    int64_t last_idr_frame;
55
    uint16_t idr_pic_id;
56
57
    int primary_pic_type;
58
    int slice_type;
59
60
    int cpb_delay;
61
    int dpb_delay;
62
} VAAPIEncodeH264Picture;
63
64
typedef struct VAAPIEncodeH264Context {
65
    VAAPIEncodeContext common;
66
67
    // User options.
68
    int qp;
69
    int quality;
70
    int coder;
71
    int aud;
72
    int sei;
73
    int profile;
74
    int level;
75
76
    // Derived settings.
77
    int mb_width;
78
    int mb_height;
79
80
    int fixed_qp_idr;
81
    int fixed_qp_p;
82
    int fixed_qp_b;
83
84
    int dpb_frames;
85
86
    // Writer structures.
87
    CodedBitstreamContext *cbc;
88
    CodedBitstreamFragment current_access_unit;
89
90
    H264RawAUD   raw_aud;
91
    H264RawSPS   raw_sps;
92
    H264RawPPS   raw_pps;
93
    H264RawSlice raw_slice;
94
95
    H264RawSEIBufferingPeriod      sei_buffering_period;
96
    H264RawSEIPicTiming            sei_pic_timing;
97
    H264RawSEIRecoveryPoint        sei_recovery_point;
98
    SEIRawUserDataUnregistered     sei_identifier;
99
    char                          *sei_identifier_string;
100
101
    int aud_needed;
102
    int sei_needed;
103
    int sei_cbr_workaround_needed;
104
} VAAPIEncodeH264Context;
105
106
107
static int vaapi_encode_h264_write_access_unit(AVCodecContext *avctx,
108
                                               char *data, size_t *data_len,
109
                                               CodedBitstreamFragment *au)
110
{
111
    VAAPIEncodeH264Context *priv = avctx->priv_data;
112
    int err;
113
114
    err = ff_cbs_write_fragment_data(priv->cbc, au);
115
    if (err < 0) {
116
        av_log(avctx, AV_LOG_ERROR, "Failed to write packed header.\n");
117
        return err;
118
    }
119
120
    if (*data_len < 8 * au->data_size - au->data_bit_padding) {
121
        av_log(avctx, AV_LOG_ERROR, "Access unit too large: "
122
               "%zu < %zu.\n", *data_len,
123
               8 * au->data_size - au->data_bit_padding);
124
        return AVERROR(ENOSPC);
125
    }
126
127
    memcpy(data, au->data, au->data_size);
128
    *data_len = 8 * au->data_size - au->data_bit_padding;
129
130
    return 0;
131
}
132
133
static int vaapi_encode_h264_add_nal(AVCodecContext *avctx,
134
                                     CodedBitstreamFragment *au,
135
                                     void *nal_unit)
136
{
137
    H264RawNALUnitHeader *header = nal_unit;
138
    int err;
139
140
    err = ff_cbs_insert_unit_content(au, -1,
141
                                     header->nal_unit_type, nal_unit, NULL);
142
    if (err < 0) {
143
        av_log(avctx, AV_LOG_ERROR, "Failed to add NAL unit: "
144
               "type = %d.\n", header->nal_unit_type);
145
        return err;
146
    }
147
148
    return 0;
149
}
150
151
static int vaapi_encode_h264_write_sequence_header(AVCodecContext *avctx,
152
                                                   char *data, size_t *data_len)
153
{
154
    VAAPIEncodeH264Context *priv = avctx->priv_data;
155
    CodedBitstreamFragment   *au = &priv->current_access_unit;
156
    int err;
157
158
    if (priv->aud_needed) {
159
        err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_aud);
160
        if (err < 0)
161
            goto fail;
162
        priv->aud_needed = 0;
163
    }
164
165
    err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_sps);
166
    if (err < 0)
167
        goto fail;
168
169
    err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_pps);
170
    if (err < 0)
171
        goto fail;
172
173
    err = vaapi_encode_h264_write_access_unit(avctx, data, data_len, au);
174
fail:
175
    ff_cbs_fragment_reset(au);
176
    return err;
177
}
178
179
static int vaapi_encode_h264_write_slice_header(AVCodecContext *avctx,
180
                                                VAAPIEncodePicture *pic,
181
                                                VAAPIEncodeSlice *slice,
182
                                                char *data, size_t *data_len)
183
{
184
    VAAPIEncodeH264Context *priv = avctx->priv_data;
185
    CodedBitstreamFragment   *au = &priv->current_access_unit;
186
    int err;
187
188
    if (priv->aud_needed) {
189
        err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_aud);
190
        if (err < 0)
191
            goto fail;
192
        priv->aud_needed = 0;
193
    }
194
195
    err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_slice);
196
    if (err < 0)
197
        goto fail;
198
199
    err = vaapi_encode_h264_write_access_unit(avctx, data, data_len, au);
200
fail:
201
    ff_cbs_fragment_reset(au);
202
    return err;
203
}
204
205
static int vaapi_encode_h264_write_extra_header(AVCodecContext *avctx,
206
                                                VAAPIEncodePicture *pic,
207
                                                int index, int *type,
208
                                                char *data, size_t *data_len)
209
{
210
    VAAPIEncodeH264Context *priv = avctx->priv_data;
211
    CodedBitstreamFragment   *au = &priv->current_access_unit;
212
    int err;
213
214
    if (priv->sei_needed) {
215
        if (priv->aud_needed) {
216
            err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_aud);
217
            if (err < 0)
218
                goto fail;
219
            priv->aud_needed = 0;
220
        }
221
222
        if (priv->sei_needed & SEI_IDENTIFIER) {
223
            err = ff_cbs_sei_add_message(priv->cbc, au, 1,
224
                                         SEI_TYPE_USER_DATA_UNREGISTERED,
225
                                         &priv->sei_identifier, NULL);
226
            if (err < 0)
227
                goto fail;
228
        }
229
        if (priv->sei_needed & SEI_TIMING) {
230
            if (pic->type == PICTURE_TYPE_IDR) {
231
                err = ff_cbs_sei_add_message(priv->cbc, au, 1,
232
                                             SEI_TYPE_BUFFERING_PERIOD,
233
                                             &priv->sei_buffering_period, NULL);
234
                if (err < 0)
235
                    goto fail;
236
            }
237
            err = ff_cbs_sei_add_message(priv->cbc, au, 1,
238
                                         SEI_TYPE_PIC_TIMING,
239
                                         &priv->sei_pic_timing, NULL);
240
            if (err < 0)
241
                goto fail;
242
        }
243
        if (priv->sei_needed & SEI_RECOVERY_POINT) {
244
            err = ff_cbs_sei_add_message(priv->cbc, au, 1,
245
                                         SEI_TYPE_RECOVERY_POINT,
246
                                         &priv->sei_recovery_point, NULL);
247
            if (err < 0)
248
                goto fail;
249
        }
250
251
        priv->sei_needed = 0;
252
253
        err = vaapi_encode_h264_write_access_unit(avctx, data, data_len, au);
254
        if (err < 0)
255
            goto fail;
256
257
        ff_cbs_fragment_reset(au);
258
259
        *type = VAEncPackedHeaderRawData;
260
        return 0;
261
262
#if !CONFIG_VAAPI_1
263
    } else if (priv->sei_cbr_workaround_needed) {
264
        // Insert a zero-length header using the old SEI type.  This is
265
        // required to avoid triggering broken behaviour on Intel platforms
266
        // in CBR mode where an invalid SEI message is generated by the
267
        // driver and inserted into the stream.
268
        *data_len = 0;
269
        *type = VAEncPackedHeaderH264_SEI;
270
        priv->sei_cbr_workaround_needed = 0;
271
        return 0;
272
#endif
273
274
    } else {
275
        return AVERROR_EOF;
276
    }
277
278
fail:
279
    ff_cbs_fragment_reset(au);
280
    return err;
281
}
282
283
static int vaapi_encode_h264_init_sequence_params(AVCodecContext *avctx)
284
{
285
    VAAPIEncodeContext                *ctx = avctx->priv_data;
286
    VAAPIEncodeH264Context           *priv = avctx->priv_data;
287
    H264RawSPS                        *sps = &priv->raw_sps;
288
    H264RawPPS                        *pps = &priv->raw_pps;
289
    VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
290
    VAEncPictureParameterBufferH264  *vpic = ctx->codec_picture_params;
291
292
    memset(sps, 0, sizeof(*sps));
293
    memset(pps, 0, sizeof(*pps));
294
295
    sps->nal_unit_header.nal_ref_idc   = 3;
296
    sps->nal_unit_header.nal_unit_type = H264_NAL_SPS;
297
298
    sps->profile_idc = avctx->profile & 0xff;
299
300
    if (avctx->profile == FF_PROFILE_H264_CONSTRAINED_BASELINE ||
301
        avctx->profile == FF_PROFILE_H264_MAIN)
302
        sps->constraint_set1_flag = 1;
303
304
    if (avctx->profile == FF_PROFILE_H264_HIGH)
305
        sps->constraint_set3_flag = ctx->gop_size == 1;
306
307
    if (avctx->profile == FF_PROFILE_H264_MAIN ||
308
        avctx->profile == FF_PROFILE_H264_HIGH) {
309
        sps->constraint_set4_flag = 1;
310
        sps->constraint_set5_flag = ctx->b_per_p == 0;
311
    }
312
313
    if (ctx->gop_size == 1)
314
        priv->dpb_frames = 0;
315
    else
316
        priv->dpb_frames = 1 + ctx->max_b_depth;
317
318
    if (avctx->level != FF_LEVEL_UNKNOWN) {
319
        sps->level_idc = avctx->level;
320
    } else {
321
        const H264LevelDescriptor *level;
322
        int framerate;
323
324
        if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
325
            framerate = avctx->framerate.num / avctx->framerate.den;
326
        else
327
            framerate = 0;
328
329
        level = ff_h264_guess_level(sps->profile_idc,
330
                                    avctx->bit_rate,
331
                                    framerate,
332
                                    priv->mb_width  * 16,
333
                                    priv->mb_height * 16,
334
                                    priv->dpb_frames);
335
        if (level) {
336
            av_log(avctx, AV_LOG_VERBOSE, "Using level %s.\n", level->name);
337
            if (level->constraint_set3_flag)
338
                sps->constraint_set3_flag = 1;
339
            sps->level_idc = level->level_idc;
340
        } else {
341
            av_log(avctx, AV_LOG_WARNING, "Stream will not conform "
342
                   "to any level: using level 6.2.\n");
343
            sps->level_idc = 62;
344
        }
345
    }
346
347
    sps->seq_parameter_set_id = 0;
348
    sps->chroma_format_idc    = 1;
349
350
    sps->log2_max_frame_num_minus4 = 4;
351
    sps->pic_order_cnt_type        = 0;
352
    sps->log2_max_pic_order_cnt_lsb_minus4 = 4;
353
354
    sps->max_num_ref_frames = priv->dpb_frames;
355
356
    sps->pic_width_in_mbs_minus1        = priv->mb_width  - 1;
357
    sps->pic_height_in_map_units_minus1 = priv->mb_height - 1;
358
359
    sps->frame_mbs_only_flag = 1;
360
    sps->direct_8x8_inference_flag = 1;
361
362
    if (avctx->width  != 16 * priv->mb_width ||
363
        avctx->height != 16 * priv->mb_height) {
364
        sps->frame_cropping_flag = 1;
365
366
        sps->frame_crop_left_offset   = 0;
367
        sps->frame_crop_right_offset  =
368
            (16 * priv->mb_width - avctx->width) / 2;
369
        sps->frame_crop_top_offset    = 0;
370
        sps->frame_crop_bottom_offset =
371
            (16 * priv->mb_height - avctx->height) / 2;
372
    } else {
373
        sps->frame_cropping_flag = 0;
374
    }
375
376
    sps->vui_parameters_present_flag = 1;
377
378
    if (avctx->sample_aspect_ratio.num != 0 &&
379
        avctx->sample_aspect_ratio.den != 0) {
380
        static const AVRational sar_idc[] = {
381
            {   0,  0 },
382
            {   1,  1 }, {  12, 11 }, {  10, 11 }, {  16, 11 },
383
            {  40, 33 }, {  24, 11 }, {  20, 11 }, {  32, 11 },
384
            {  80, 33 }, {  18, 11 }, {  15, 11 }, {  64, 33 },
385
            { 160, 99 }, {   4,  3 }, {   3,  2 }, {   2,  1 },
386
        };
387
        int num, den, i;
388
        av_reduce(&num, &den, avctx->sample_aspect_ratio.num,
389
                  avctx->sample_aspect_ratio.den, 65535);
390
        for (i = 0; i < FF_ARRAY_ELEMS(sar_idc); i++) {
391
            if (num == sar_idc[i].num &&
392
                den == sar_idc[i].den) {
393
                sps->vui.aspect_ratio_idc = i;
394
                break;
395
            }
396
        }
397
        if (i >= FF_ARRAY_ELEMS(sar_idc)) {
398
            sps->vui.aspect_ratio_idc = 255;
399
            sps->vui.sar_width  = num;
400
            sps->vui.sar_height = den;
401
        }
402
        sps->vui.aspect_ratio_info_present_flag = 1;
403
    }
404
405
    // Unspecified video format, from table E-2.
406
    sps->vui.video_format             = 5;
407
    sps->vui.video_full_range_flag    =
408
        avctx->color_range == AVCOL_RANGE_JPEG;
409
    sps->vui.colour_primaries         = avctx->color_primaries;
410
    sps->vui.transfer_characteristics = avctx->color_trc;
411
    sps->vui.matrix_coefficients      = avctx->colorspace;
412
    if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
413
        avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||
414
        avctx->colorspace      != AVCOL_SPC_UNSPECIFIED)
415
        sps->vui.colour_description_present_flag = 1;
416
    if (avctx->color_range     != AVCOL_RANGE_UNSPECIFIED ||
417
        sps->vui.colour_description_present_flag)
418
        sps->vui.video_signal_type_present_flag = 1;
419
420
    if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) {
421
        sps->vui.chroma_loc_info_present_flag = 1;
422
        sps->vui.chroma_sample_loc_type_top_field    =
423
        sps->vui.chroma_sample_loc_type_bottom_field =
424
            avctx->chroma_sample_location - 1;
425
    }
426
427
    sps->vui.timing_info_present_flag = 1;
428
    if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
429
        sps->vui.num_units_in_tick = avctx->framerate.den;
430
        sps->vui.time_scale        = 2 * avctx->framerate.num;
431
        sps->vui.fixed_frame_rate_flag = 1;
432
    } else {
433
        sps->vui.num_units_in_tick = avctx->time_base.num;
434
        sps->vui.time_scale        = 2 * avctx->time_base.den;
435
        sps->vui.fixed_frame_rate_flag = 0;
436
    }
437
438
    if (priv->sei & SEI_TIMING) {
439
        H264RawHRD *hrd = &sps->vui.nal_hrd_parameters;
440
        H264RawSEIBufferingPeriod *bp = &priv->sei_buffering_period;
441
442
        sps->vui.nal_hrd_parameters_present_flag = 1;
443
444
        hrd->cpb_cnt_minus1 = 0;
445
446
        // Try to scale these to a sensible range so that the
447
        // golomb encode of the value is not overlong.
448
        hrd->bit_rate_scale =
449
            av_clip_uintp2(av_log2(ctx->va_bit_rate) - 15 - 6, 4);
450
        hrd->bit_rate_value_minus1[0] =
451
            (ctx->va_bit_rate >> hrd->bit_rate_scale + 6) - 1;
452
453
        hrd->cpb_size_scale =
454
            av_clip_uintp2(av_log2(ctx->hrd_params.buffer_size) - 15 - 4, 4);
455
        hrd->cpb_size_value_minus1[0] =
456
            (ctx->hrd_params.buffer_size >> hrd->cpb_size_scale + 4) - 1;
457
458
        // CBR mode as defined for the HRD cannot be achieved without filler
459
        // data, so this flag cannot be set even with VAAPI CBR modes.
460
        hrd->cbr_flag[0] = 0;
461
462
        hrd->initial_cpb_removal_delay_length_minus1 = 23;
463
        hrd->cpb_removal_delay_length_minus1         = 23;
464
        hrd->dpb_output_delay_length_minus1          = 7;
465
        hrd->time_offset_length                      = 0;
466
467
        bp->seq_parameter_set_id = sps->seq_parameter_set_id;
468
469
        // This calculation can easily overflow 32 bits.
470
        bp->nal.initial_cpb_removal_delay[0] = 90000 *
471
            (uint64_t)ctx->hrd_params.initial_buffer_fullness /
472
            ctx->hrd_params.buffer_size;
473
        bp->nal.initial_cpb_removal_delay_offset[0] = 0;
474
    } else {
475
        sps->vui.nal_hrd_parameters_present_flag = 0;
476
        sps->vui.low_delay_hrd_flag = 1 - sps->vui.fixed_frame_rate_flag;
477
    }
478
479
    sps->vui.bitstream_restriction_flag    = 1;
480
    sps->vui.motion_vectors_over_pic_boundaries_flag = 1;
481
    sps->vui.log2_max_mv_length_horizontal = 15;
482
    sps->vui.log2_max_mv_length_vertical   = 15;
483
    sps->vui.max_num_reorder_frames        = ctx->max_b_depth;
484
    sps->vui.max_dec_frame_buffering       = ctx->max_b_depth + 1;
485
486
    pps->nal_unit_header.nal_ref_idc = 3;
487
    pps->nal_unit_header.nal_unit_type = H264_NAL_PPS;
488
489
    pps->pic_parameter_set_id = 0;
490
    pps->seq_parameter_set_id = 0;
491
492
    pps->entropy_coding_mode_flag =
493
        !(sps->profile_idc == FF_PROFILE_H264_BASELINE ||
494
          sps->profile_idc == FF_PROFILE_H264_EXTENDED ||
495
          sps->profile_idc == FF_PROFILE_H264_CAVLC_444);
496
    if (!priv->coder && pps->entropy_coding_mode_flag)
497
        pps->entropy_coding_mode_flag = 0;
498
499
    pps->num_ref_idx_l0_default_active_minus1 = 0;
500
    pps->num_ref_idx_l1_default_active_minus1 = 0;
501
502
    pps->pic_init_qp_minus26 = priv->fixed_qp_idr - 26;
503
504
    if (sps->profile_idc == FF_PROFILE_H264_BASELINE ||
505
        sps->profile_idc == FF_PROFILE_H264_EXTENDED ||
506
        sps->profile_idc == FF_PROFILE_H264_MAIN) {
507
        pps->more_rbsp_data = 0;
508
    } else {
509
        pps->more_rbsp_data = 1;
510
511
        pps->transform_8x8_mode_flag = 1;
512
    }
513
514
    *vseq = (VAEncSequenceParameterBufferH264) {
515
        .seq_parameter_set_id = sps->seq_parameter_set_id,
516
        .level_idc        = sps->level_idc,
517
        .intra_period     = ctx->gop_size,
518
        .intra_idr_period = ctx->gop_size,
519
        .ip_period        = ctx->b_per_p + 1,
520
521
        .bits_per_second       = ctx->va_bit_rate,
522
        .max_num_ref_frames    = sps->max_num_ref_frames,
523
        .picture_width_in_mbs  = sps->pic_width_in_mbs_minus1 + 1,
524
        .picture_height_in_mbs = sps->pic_height_in_map_units_minus1 + 1,
525
526
        .seq_fields.bits = {
527
            .chroma_format_idc                 = sps->chroma_format_idc,
528
            .frame_mbs_only_flag               = sps->frame_mbs_only_flag,
529
            .mb_adaptive_frame_field_flag      = sps->mb_adaptive_frame_field_flag,
530
            .seq_scaling_matrix_present_flag   = sps->seq_scaling_matrix_present_flag,
531
            .direct_8x8_inference_flag         = sps->direct_8x8_inference_flag,
532
            .log2_max_frame_num_minus4         = sps->log2_max_frame_num_minus4,
533
            .pic_order_cnt_type                = sps->pic_order_cnt_type,
534
            .log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_pic_order_cnt_lsb_minus4,
535
            .delta_pic_order_always_zero_flag  = sps->delta_pic_order_always_zero_flag,
536
        },
537
538
        .bit_depth_luma_minus8   = sps->bit_depth_luma_minus8,
539
        .bit_depth_chroma_minus8 = sps->bit_depth_chroma_minus8,
540
541
        .frame_cropping_flag      = sps->frame_cropping_flag,
542
        .frame_crop_left_offset   = sps->frame_crop_left_offset,
543
        .frame_crop_right_offset  = sps->frame_crop_right_offset,
544
        .frame_crop_top_offset    = sps->frame_crop_top_offset,
545
        .frame_crop_bottom_offset = sps->frame_crop_bottom_offset,
546
547
        .vui_parameters_present_flag = sps->vui_parameters_present_flag,
548
549
        .vui_fields.bits = {
550
            .aspect_ratio_info_present_flag = sps->vui.aspect_ratio_info_present_flag,
551
            .timing_info_present_flag       = sps->vui.timing_info_present_flag,
552
            .bitstream_restriction_flag     = sps->vui.bitstream_restriction_flag,
553
            .log2_max_mv_length_horizontal  = sps->vui.log2_max_mv_length_horizontal,
554
            .log2_max_mv_length_vertical    = sps->vui.log2_max_mv_length_vertical,
555
        },
556
557
        .aspect_ratio_idc  = sps->vui.aspect_ratio_idc,
558
        .sar_width         = sps->vui.sar_width,
559
        .sar_height        = sps->vui.sar_height,
560
        .num_units_in_tick = sps->vui.num_units_in_tick,
561
        .time_scale        = sps->vui.time_scale,
562
    };
563
564
    *vpic = (VAEncPictureParameterBufferH264) {
565
        .CurrPic = {
566
            .picture_id = VA_INVALID_ID,
567
            .flags      = VA_PICTURE_H264_INVALID,
568
        },
569
570
        .coded_buf = VA_INVALID_ID,
571
572
        .pic_parameter_set_id = pps->pic_parameter_set_id,
573
        .seq_parameter_set_id = pps->seq_parameter_set_id,
574
575
        .pic_init_qp                  = pps->pic_init_qp_minus26 + 26,
576
        .num_ref_idx_l0_active_minus1 = pps->num_ref_idx_l0_default_active_minus1,
577
        .num_ref_idx_l1_active_minus1 = pps->num_ref_idx_l1_default_active_minus1,
578
579
        .chroma_qp_index_offset        = pps->chroma_qp_index_offset,
580
        .second_chroma_qp_index_offset = pps->second_chroma_qp_index_offset,
581
582
        .pic_fields.bits = {
583
            .entropy_coding_mode_flag        = pps->entropy_coding_mode_flag,
584
            .weighted_pred_flag              = pps->weighted_pred_flag,
585
            .weighted_bipred_idc             = pps->weighted_bipred_idc,
586
            .constrained_intra_pred_flag     = pps->constrained_intra_pred_flag,
587
            .transform_8x8_mode_flag         = pps->transform_8x8_mode_flag,
588
            .deblocking_filter_control_present_flag =
589
                pps->deblocking_filter_control_present_flag,
590
            .redundant_pic_cnt_present_flag  = pps->redundant_pic_cnt_present_flag,
591
            .pic_order_present_flag          =
592
                pps->bottom_field_pic_order_in_frame_present_flag,
593
            .pic_scaling_matrix_present_flag = pps->pic_scaling_matrix_present_flag,
594
        },
595
    };
596
597
    return 0;
598
}
599
600
static int vaapi_encode_h264_init_picture_params(AVCodecContext *avctx,
601
                                                 VAAPIEncodePicture *pic)
602
{
603
    VAAPIEncodeContext               *ctx = avctx->priv_data;
604
    VAAPIEncodeH264Context          *priv = avctx->priv_data;
605
    VAAPIEncodeH264Picture          *hpic = pic->priv_data;
606
    VAAPIEncodePicture              *prev = pic->prev;
607
    VAAPIEncodeH264Picture         *hprev = prev ? prev->priv_data : NULL;
608
    VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
609
    int i;
610
611
    if (pic->type == PICTURE_TYPE_IDR) {
612
        av_assert0(pic->display_order == pic->encode_order);
613
614
        hpic->frame_num      = 0;
615
        hpic->last_idr_frame = pic->display_order;
616
        hpic->idr_pic_id     = hprev ? hprev->idr_pic_id + 1 : 0;
617
618
        hpic->primary_pic_type = 0;
619
        hpic->slice_type       = 7;
620
    } else {
621
        av_assert0(prev);
622
623
        hpic->frame_num = hprev->frame_num + prev->is_reference;
624
625
        hpic->last_idr_frame = hprev->last_idr_frame;
626
        hpic->idr_pic_id     = hprev->idr_pic_id;
627
628
        if (pic->type == PICTURE_TYPE_I) {
629
            hpic->slice_type       = 7;
630
            hpic->primary_pic_type = 0;
631
        } else if (pic->type == PICTURE_TYPE_P) {
632
            hpic->slice_type       = 5;
633
            hpic->primary_pic_type = 1;
634
        } else {
635
            hpic->slice_type       = 6;
636
            hpic->primary_pic_type = 2;
637
        }
638
    }
639
    hpic->pic_order_cnt = pic->display_order - hpic->last_idr_frame;
640
    hpic->dpb_delay     = pic->display_order - pic->encode_order + ctx->max_b_depth;
641
    hpic->cpb_delay     = pic->encode_order - hpic->last_idr_frame;
642
643
    if (priv->aud) {
644
        priv->aud_needed = 1;
645
        priv->raw_aud = (H264RawAUD) {
646
            .nal_unit_header = {
647
                .nal_unit_type = H264_NAL_AUD,
648
            },
649
            .primary_pic_type  = hpic->primary_pic_type,
650
        };
651
    } else {
652
        priv->aud_needed = 0;
653
    }
654
655
    priv->sei_needed = 0;
656
657
    if (priv->sei & SEI_IDENTIFIER && pic->encode_order == 0)
658
        priv->sei_needed |= SEI_IDENTIFIER;
659
#if !CONFIG_VAAPI_1
660
    if (ctx->va_rc_mode == VA_RC_CBR)
661
        priv->sei_cbr_workaround_needed = 1;
662
#endif
663
664
    if (priv->sei & SEI_TIMING) {
665
        priv->sei_pic_timing = (H264RawSEIPicTiming) {
666
            .cpb_removal_delay = 2 * hpic->cpb_delay,
667
            .dpb_output_delay  = 2 * hpic->dpb_delay,
668
        };
669
670
        priv->sei_needed |= SEI_TIMING;
671
    }
672
673
    if (priv->sei & SEI_RECOVERY_POINT && pic->type == PICTURE_TYPE_I) {
674
        priv->sei_recovery_point = (H264RawSEIRecoveryPoint) {
675
            .recovery_frame_cnt = 0,
676
            .exact_match_flag   = 1,
677
            .broken_link_flag   = ctx->b_per_p > 0,
678
        };
679
680
        priv->sei_needed |= SEI_RECOVERY_POINT;
681
    }
682
683
    vpic->CurrPic = (VAPictureH264) {
684
        .picture_id          = pic->recon_surface,
685
        .frame_idx           = hpic->frame_num,
686
        .flags               = 0,
687
        .TopFieldOrderCnt    = hpic->pic_order_cnt,
688
        .BottomFieldOrderCnt = hpic->pic_order_cnt,
689
    };
690
691
    for (i = 0; i < pic->nb_refs; i++) {
692
        VAAPIEncodePicture      *ref = pic->refs[i];
693
        VAAPIEncodeH264Picture *href;
694
695
        av_assert0(ref && ref->encode_order < pic->encode_order);
696
        href = ref->priv_data;
697
698
        vpic->ReferenceFrames[i] = (VAPictureH264) {
699
            .picture_id          = ref->recon_surface,
700
            .frame_idx           = href->frame_num,
701
            .flags               = VA_PICTURE_H264_SHORT_TERM_REFERENCE,
702
            .TopFieldOrderCnt    = href->pic_order_cnt,
703
            .BottomFieldOrderCnt = href->pic_order_cnt,
704
        };
705
    }
706
    for (; i < FF_ARRAY_ELEMS(vpic->ReferenceFrames); i++) {
707
        vpic->ReferenceFrames[i] = (VAPictureH264) {
708
            .picture_id = VA_INVALID_ID,
709
            .flags      = VA_PICTURE_H264_INVALID,
710
        };
711
    }
712
713
    vpic->coded_buf = pic->output_buffer;
714
715
    vpic->frame_num = hpic->frame_num;
716
717
    vpic->pic_fields.bits.idr_pic_flag       = (pic->type == PICTURE_TYPE_IDR);
718
    vpic->pic_fields.bits.reference_pic_flag = (pic->type != PICTURE_TYPE_B);
719
720
    return 0;
721
}
722
723
static void vaapi_encode_h264_default_ref_pic_list(AVCodecContext *avctx,
724
                                                   VAAPIEncodePicture *pic,
725
                                                   VAAPIEncodePicture **rpl0,
726
                                                   VAAPIEncodePicture **rpl1,
727
                                                   int *rpl_size)
728
{
729
    VAAPIEncodePicture *prev;
730
    VAAPIEncodeH264Picture *hp, *hn, *hc;
731
    int i, j, n = 0;
732
733
    prev = pic->prev;
734
    av_assert0(prev);
735
    hp = pic->priv_data;
736
737
    for (i = 0; i < pic->prev->nb_dpb_pics; i++) {
738
        hn = prev->dpb[i]->priv_data;
739
        av_assert0(hn->frame_num < hp->frame_num);
740
741
        if (pic->type == PICTURE_TYPE_P) {
742
            for (j = n; j > 0; j--) {
743
                hc = rpl0[j - 1]->priv_data;
744
                av_assert0(hc->frame_num != hn->frame_num);
745
                if (hc->frame_num > hn->frame_num)
746
                    break;
747
                rpl0[j] = rpl0[j - 1];
748
            }
749
            rpl0[j] = prev->dpb[i];
750
751
        } else if (pic->type == PICTURE_TYPE_B) {
752
            for (j = n; j > 0; j--) {
753
                hc = rpl0[j - 1]->priv_data;
754
                av_assert0(hc->pic_order_cnt != hp->pic_order_cnt);
755
                if (hc->pic_order_cnt < hp->pic_order_cnt) {
756
                    if (hn->pic_order_cnt > hp->pic_order_cnt ||
757
                        hn->pic_order_cnt < hc->pic_order_cnt)
758
                        break;
759
                } else {
760
                    if (hn->pic_order_cnt > hc->pic_order_cnt)
761
                        break;
762
                }
763
                rpl0[j] = rpl0[j - 1];
764
            }
765
            rpl0[j] = prev->dpb[i];
766
767
            for (j = n; j > 0; j--) {
768
                hc = rpl1[j - 1]->priv_data;
769
                av_assert0(hc->pic_order_cnt != hp->pic_order_cnt);
770
                if (hc->pic_order_cnt > hp->pic_order_cnt) {
771
                    if (hn->pic_order_cnt < hp->pic_order_cnt ||
772
                        hn->pic_order_cnt > hc->pic_order_cnt)
773
                        break;
774
                } else {
775
                    if (hn->pic_order_cnt < hc->pic_order_cnt)
776
                        break;
777
                }
778
                rpl1[j] = rpl1[j - 1];
779
            }
780
            rpl1[j] = prev->dpb[i];
781
        }
782
783
        ++n;
784
    }
785
786
    if (pic->type == PICTURE_TYPE_B) {
787
        for (i = 0; i < n; i++) {
788
            if (rpl0[i] != rpl1[i])
789
                break;
790
        }
791
        if (i == n)
792
            FFSWAP(VAAPIEncodePicture*, rpl1[0], rpl1[1]);
793
    }
794
795
    if (pic->type == PICTURE_TYPE_P ||
796
        pic->type == PICTURE_TYPE_B) {
797
        av_log(avctx, AV_LOG_DEBUG, "Default RefPicList0 for fn=%d/poc=%d:",
798
               hp->frame_num, hp->pic_order_cnt);
799
        for (i = 0; i < n; i++) {
800
            hn = rpl0[i]->priv_data;
801
            av_log(avctx, AV_LOG_DEBUG, "  fn=%d/poc=%d",
802
                   hn->frame_num, hn->pic_order_cnt);
803
        }
804
        av_log(avctx, AV_LOG_DEBUG, "\n");
805
    }
806
    if (pic->type == PICTURE_TYPE_B) {
807
        av_log(avctx, AV_LOG_DEBUG, "Default RefPicList1 for fn=%d/poc=%d:",
808
               hp->frame_num, hp->pic_order_cnt);
809
        for (i = 0; i < n; i++) {
810
            hn = rpl1[i]->priv_data;
811
            av_log(avctx, AV_LOG_DEBUG, "  fn=%d/poc=%d",
812
                   hn->frame_num, hn->pic_order_cnt);
813
        }
814
        av_log(avctx, AV_LOG_DEBUG, "\n");
815
    }
816
817
    *rpl_size = n;
818
}
819
820
static int vaapi_encode_h264_init_slice_params(AVCodecContext *avctx,
821
                                               VAAPIEncodePicture *pic,
822
                                               VAAPIEncodeSlice *slice)
823
{
824
    VAAPIEncodeH264Context          *priv = avctx->priv_data;
825
    VAAPIEncodeH264Picture          *hpic = pic->priv_data;
826
    VAAPIEncodePicture              *prev = pic->prev;
827
    H264RawSPS                       *sps = &priv->raw_sps;
828
    H264RawPPS                       *pps = &priv->raw_pps;
829
    H264RawSliceHeader                *sh = &priv->raw_slice.header;
830
    VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
831
    VAEncSliceParameterBufferH264 *vslice = slice->codec_slice_params;
832
    int i, j;
833
834
    if (pic->type == PICTURE_TYPE_IDR) {
835
        sh->nal_unit_header.nal_unit_type = H264_NAL_IDR_SLICE;
836
        sh->nal_unit_header.nal_ref_idc   = 3;
837
    } else {
838
        sh->nal_unit_header.nal_unit_type = H264_NAL_SLICE;
839
        sh->nal_unit_header.nal_ref_idc   = pic->is_reference;
840
    }
841
842
    sh->first_mb_in_slice = slice->block_start;
843
    sh->slice_type        = hpic->slice_type;
844
845
    sh->pic_parameter_set_id = pps->pic_parameter_set_id;
846
847
    sh->frame_num = hpic->frame_num &
848
        ((1 << (4 + sps->log2_max_frame_num_minus4)) - 1);
849
    sh->idr_pic_id = hpic->idr_pic_id;
850
    sh->pic_order_cnt_lsb = hpic->pic_order_cnt &
851
        ((1 << (4 + sps->log2_max_pic_order_cnt_lsb_minus4)) - 1);
852
853
    sh->direct_spatial_mv_pred_flag = 1;
854
855
    if (pic->type == PICTURE_TYPE_B)
856
        sh->slice_qp_delta = priv->fixed_qp_b - (pps->pic_init_qp_minus26 + 26);
857
    else if (pic->type == PICTURE_TYPE_P)
858
        sh->slice_qp_delta = priv->fixed_qp_p - (pps->pic_init_qp_minus26 + 26);
859
    else
860
        sh->slice_qp_delta = priv->fixed_qp_idr - (pps->pic_init_qp_minus26 + 26);
861
862
    if (pic->is_reference && pic->type != PICTURE_TYPE_IDR) {
863
        VAAPIEncodePicture *discard_list[MAX_DPB_SIZE];
864
        int discard = 0, keep = 0;
865
866
        // Discard everything which is in the DPB of the previous frame but
867
        // not in the DPB of this one.
868
        for (i = 0; i < prev->nb_dpb_pics; i++) {
869
            for (j = 0; j < pic->nb_dpb_pics; j++) {
870
                if (prev->dpb[i] == pic->dpb[j])
871
                    break;
872
            }
873
            if (j == pic->nb_dpb_pics) {
874
                discard_list[discard] = prev->dpb[i];
875
                ++discard;
876
            } else {
877
                ++keep;
878
            }
879
        }
880
        av_assert0(keep <= priv->dpb_frames);
881
882
        if (discard == 0) {
883
            sh->adaptive_ref_pic_marking_mode_flag = 0;
884
        } else {
885
            sh->adaptive_ref_pic_marking_mode_flag = 1;
886
            for (i = 0; i < discard; i++) {
887
                VAAPIEncodeH264Picture *old = discard_list[i]->priv_data;
888
                av_assert0(old->frame_num < hpic->frame_num);
889
                sh->mmco[i].memory_management_control_operation = 1;
890
                sh->mmco[i].difference_of_pic_nums_minus1 =
891
                    hpic->frame_num - old->frame_num - 1;
892
            }
893
            sh->mmco[i].memory_management_control_operation = 0;
894
        }
895
    }
896
897
    // If the intended references are not the first entries of RefPicListN
898
    // by default, use ref-pic-list-modification to move them there.
899
    if (pic->type == PICTURE_TYPE_P || pic->type == PICTURE_TYPE_B) {
900
        VAAPIEncodePicture *def_l0[MAX_DPB_SIZE], *def_l1[MAX_DPB_SIZE];
901
        VAAPIEncodeH264Picture *href;
902
        int n;
903
904
        vaapi_encode_h264_default_ref_pic_list(avctx, pic,
905
                                               def_l0, def_l1, &n);
906
907
        if (pic->type == PICTURE_TYPE_P) {
908
            int need_rplm = 0;
909
            for (i = 0; i < pic->nb_refs; i++) {
910
                av_assert0(pic->refs[i]);
911
                if (pic->refs[i] != def_l0[i])
912
                    need_rplm = 1;
913
            }
914
915
            sh->ref_pic_list_modification_flag_l0 = need_rplm;
916
            if (need_rplm) {
917
                int pic_num = hpic->frame_num;
918
                for (i = 0; i < pic->nb_refs; i++) {
919
                    href = pic->refs[i]->priv_data;
920
                    av_assert0(href->frame_num != pic_num);
921
                    if (href->frame_num < pic_num) {
922
                        sh->rplm_l0[i].modification_of_pic_nums_idc = 0;
923
                        sh->rplm_l0[i].abs_diff_pic_num_minus1 =
924
                            pic_num - href->frame_num - 1;
925
                    } else {
926
                        sh->rplm_l0[i].modification_of_pic_nums_idc = 1;
927
                        sh->rplm_l0[i].abs_diff_pic_num_minus1 =
928
                            href->frame_num - pic_num - 1;
929
                    }
930
                    pic_num = href->frame_num;
931
                }
932
                sh->rplm_l0[i].modification_of_pic_nums_idc = 3;
933
            }
934
935
        } else {
936
            int need_rplm_l0 = 0, need_rplm_l1 = 0;
937
            int n0 = 0, n1 = 0;
938
            for (i = 0; i < pic->nb_refs; i++) {
939
                av_assert0(pic->refs[i]);
940
                href = pic->refs[i]->priv_data;
941
                av_assert0(href->pic_order_cnt != hpic->pic_order_cnt);
942
                if (href->pic_order_cnt < hpic->pic_order_cnt) {
943
                    if (pic->refs[i] != def_l0[n0])
944
                        need_rplm_l0 = 1;
945
                    ++n0;
946
                } else {
947
                    if (pic->refs[i] != def_l1[n1])
948
                        need_rplm_l1 = 1;
949
                    ++n1;
950
                }
951
            }
952
953
            sh->ref_pic_list_modification_flag_l0 = need_rplm_l0;
954
            if (need_rplm_l0) {
955
                int pic_num = hpic->frame_num;
956
                for (i = j = 0; i < pic->nb_refs; i++) {
957
                    href = pic->refs[i]->priv_data;
958
                    if (href->pic_order_cnt > hpic->pic_order_cnt)
959
                        continue;
960
                    av_assert0(href->frame_num != pic_num);
961
                    if (href->frame_num < pic_num) {
962
                        sh->rplm_l0[j].modification_of_pic_nums_idc = 0;
963
                        sh->rplm_l0[j].abs_diff_pic_num_minus1 =
964
                            pic_num - href->frame_num - 1;
965
                    } else {
966
                        sh->rplm_l0[j].modification_of_pic_nums_idc = 1;
967
                        sh->rplm_l0[j].abs_diff_pic_num_minus1 =
968
                            href->frame_num - pic_num - 1;
969
                    }
970
                    pic_num = href->frame_num;
971
                    ++j;
972
                }
973
                av_assert0(j == n0);
974
                sh->rplm_l0[j].modification_of_pic_nums_idc = 3;
975
            }
976
977
            sh->ref_pic_list_modification_flag_l1 = need_rplm_l1;
978
            if (need_rplm_l1) {
979
                int pic_num = hpic->frame_num;
980
                for (i = j = 0; i < pic->nb_refs; i++) {
981
                    href = pic->refs[i]->priv_data;
982
                    if (href->pic_order_cnt < hpic->pic_order_cnt)
983
                        continue;
984
                    av_assert0(href->frame_num != pic_num);
985
                    if (href->frame_num < pic_num) {
986
                        sh->rplm_l1[j].modification_of_pic_nums_idc = 0;
987
                        sh->rplm_l1[j].abs_diff_pic_num_minus1 =
988
                            pic_num - href->frame_num - 1;
989
                    } else {
990
                        sh->rplm_l1[j].modification_of_pic_nums_idc = 1;
991
                        sh->rplm_l1[j].abs_diff_pic_num_minus1 =
992
                            href->frame_num - pic_num - 1;
993
                    }
994
                    pic_num = href->frame_num;
995
                    ++j;
996
                }
997
                av_assert0(j == n1);
998
                sh->rplm_l1[j].modification_of_pic_nums_idc = 3;
999
            }
1000
        }
1001
    }
1002
1003
    vslice->macroblock_address = slice->block_start;
1004
    vslice->num_macroblocks    = slice->block_size;
1005
1006
    vslice->macroblock_info = VA_INVALID_ID;
1007
1008
    vslice->slice_type           = sh->slice_type % 5;
1009
    vslice->pic_parameter_set_id = sh->pic_parameter_set_id;
1010
    vslice->idr_pic_id           = sh->idr_pic_id;
1011
1012
    vslice->pic_order_cnt_lsb = sh->pic_order_cnt_lsb;
1013
1014
    vslice->direct_spatial_mv_pred_flag = sh->direct_spatial_mv_pred_flag;
1015
1016
    for (i = 0; i < FF_ARRAY_ELEMS(vslice->RefPicList0); i++) {
1017
        vslice->RefPicList0[i].picture_id = VA_INVALID_ID;
1018
        vslice->RefPicList0[i].flags      = VA_PICTURE_H264_INVALID;
1019
        vslice->RefPicList1[i].picture_id = VA_INVALID_ID;
1020
        vslice->RefPicList1[i].flags      = VA_PICTURE_H264_INVALID;
1021
    }
1022
1023
    av_assert0(pic->nb_refs <= 2);
1024
    if (pic->nb_refs >= 1) {
1025
        // Backward reference for P- or B-frame.
1026
        av_assert0(pic->type == PICTURE_TYPE_P ||
1027
                   pic->type == PICTURE_TYPE_B);
1028
        vslice->RefPicList0[0] = vpic->ReferenceFrames[0];
1029
    }
1030
    if (pic->nb_refs >= 2) {
1031
        // Forward reference for B-frame.
1032
        av_assert0(pic->type == PICTURE_TYPE_B);
1033
        vslice->RefPicList1[0] = vpic->ReferenceFrames[1];
1034
    }
1035
1036
    vslice->slice_qp_delta = sh->slice_qp_delta;
1037
1038
    return 0;
1039
}
1040
1041
static av_cold int vaapi_encode_h264_configure(AVCodecContext *avctx)
1042
{
1043
    VAAPIEncodeContext      *ctx = avctx->priv_data;
1044
    VAAPIEncodeH264Context *priv = avctx->priv_data;
1045
    int err;
1046
1047
    err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_H264, avctx);
1048
    if (err < 0)
1049
        return err;
1050
1051
    priv->mb_width  = FFALIGN(avctx->width,  16) / 16;
1052
    priv->mb_height = FFALIGN(avctx->height, 16) / 16;
1053
1054
    if (ctx->va_rc_mode == VA_RC_CQP) {
1055
        priv->fixed_qp_p = av_clip(ctx->rc_quality, 1, 51);
1056
        if (avctx->i_quant_factor > 0.0)
1057
            priv->fixed_qp_idr =
1058
                av_clip((avctx->i_quant_factor * priv->fixed_qp_p +
1059
                         avctx->i_quant_offset) + 0.5, 1, 51);
1060
        else
1061
            priv->fixed_qp_idr = priv->fixed_qp_p;
1062
        if (avctx->b_quant_factor > 0.0)
1063
            priv->fixed_qp_b =
1064
                av_clip((avctx->b_quant_factor * priv->fixed_qp_p +
1065
                         avctx->b_quant_offset) + 0.5, 1, 51);
1066
        else
1067
            priv->fixed_qp_b = priv->fixed_qp_p;
1068
1069
        av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "
1070
               "%d / %d / %d for IDR- / P- / B-frames.\n",
1071
               priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
1072
1073
    } else {
1074
        // These still need to be  set for pic_init_qp/slice_qp_delta.
1075
        priv->fixed_qp_idr = 26;
1076
        priv->fixed_qp_p   = 26;
1077
        priv->fixed_qp_b   = 26;
1078
    }
1079
1080
    if (!ctx->rc_mode->hrd) {
1081
        // Timing SEI requires a mode respecting HRD parameters.
1082
        priv->sei &= ~SEI_TIMING;
1083
    }
1084
1085
    if (priv->sei & SEI_IDENTIFIER) {
1086
        const char *lavc  = LIBAVCODEC_IDENT;
1087
        const char *vaapi = VA_VERSION_S;
1088
        const char *driver;
1089
        int len;
1090
1091
        memcpy(priv->sei_identifier.uuid_iso_iec_11578,
1092
               vaapi_encode_h264_sei_identifier_uuid,
1093
               sizeof(priv->sei_identifier.uuid_iso_iec_11578));
1094
1095
        driver = vaQueryVendorString(ctx->hwctx->display);
1096
        if (!driver)
1097
            driver = "unknown driver";
1098
1099
        len = snprintf(NULL, 0, "%s / VAAPI %s / %s", lavc, vaapi, driver);
1100
        if (len >= 0) {
1101
            priv->sei_identifier_string = av_malloc(len + 1);
1102
            if (!priv->sei_identifier_string)
1103
                return AVERROR(ENOMEM);
1104
1105
            snprintf(priv->sei_identifier_string, len + 1,
1106
                     "%s / VAAPI %s / %s", lavc, vaapi, driver);
1107
1108
            priv->sei_identifier.data        = priv->sei_identifier_string;
1109
            priv->sei_identifier.data_length = len + 1;
1110
        }
1111
    }
1112
1113
    ctx->roi_quant_range = 51 + 6 * (ctx->profile->depth - 8);
1114
1115
    return 0;
1116
}
1117
1118
static const VAAPIEncodeProfile vaapi_encode_h264_profiles[] = {
1119
    { FF_PROFILE_H264_HIGH, 8, 3, 1, 1, VAProfileH264High },
1120
    { FF_PROFILE_H264_MAIN, 8, 3, 1, 1, VAProfileH264Main },
1121
    { FF_PROFILE_H264_CONSTRAINED_BASELINE,
1122
                            8, 3, 1, 1, VAProfileH264ConstrainedBaseline },
1123
    { FF_PROFILE_UNKNOWN }
1124
};
1125
1126
static const VAAPIEncodeType vaapi_encode_type_h264 = {
1127
    .profiles              = vaapi_encode_h264_profiles,
1128
1129
    .flags                 = FLAG_SLICE_CONTROL |
1130
                             FLAG_B_PICTURES |
1131
                             FLAG_B_PICTURE_REFERENCES |
1132
                             FLAG_NON_IDR_KEY_PICTURES,
1133
1134
    .default_quality       = 20,
1135
1136
    .configure             = &vaapi_encode_h264_configure,
1137
1138
    .picture_priv_data_size = sizeof(VAAPIEncodeH264Picture),
1139
1140
    .sequence_params_size  = sizeof(VAEncSequenceParameterBufferH264),
1141
    .init_sequence_params  = &vaapi_encode_h264_init_sequence_params,
1142
1143
    .picture_params_size   = sizeof(VAEncPictureParameterBufferH264),
1144
    .init_picture_params   = &vaapi_encode_h264_init_picture_params,
1145
1146
    .slice_params_size     = sizeof(VAEncSliceParameterBufferH264),
1147
    .init_slice_params     = &vaapi_encode_h264_init_slice_params,
1148
1149
    .sequence_header_type  = VAEncPackedHeaderSequence,
1150
    .write_sequence_header = &vaapi_encode_h264_write_sequence_header,
1151
1152
    .slice_header_type     = VAEncPackedHeaderH264_Slice,
1153
    .write_slice_header    = &vaapi_encode_h264_write_slice_header,
1154
1155
    .write_extra_header    = &vaapi_encode_h264_write_extra_header,
1156
};
1157
1158
static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx)
1159
{
1160
    VAAPIEncodeContext      *ctx = avctx->priv_data;
1161
    VAAPIEncodeH264Context *priv = avctx->priv_data;
1162
1163
    ctx->codec = &vaapi_encode_type_h264;
1164
1165
    if (avctx->profile == FF_PROFILE_UNKNOWN)
1166
        avctx->profile = priv->profile;
1167
    if (avctx->level == FF_LEVEL_UNKNOWN)
1168
        avctx->level = priv->level;
1169
    if (avctx->compression_level == FF_COMPRESSION_DEFAULT)
1170
        avctx->compression_level = priv->quality;
1171
1172
    // Reject unsupported profiles.
1173
    switch (avctx->profile) {
1174
    case FF_PROFILE_H264_BASELINE:
1175
        av_log(avctx, AV_LOG_WARNING, "H.264 baseline profile is not "
1176
               "supported, using constrained baseline profile instead.\n");
1177
        avctx->profile = FF_PROFILE_H264_CONSTRAINED_BASELINE;
1178
        break;
1179
    case FF_PROFILE_H264_EXTENDED:
1180
        av_log(avctx, AV_LOG_ERROR, "H.264 extended profile "
1181
               "is not supported.\n");
1182
        return AVERROR_PATCHWELCOME;
1183
    case FF_PROFILE_H264_HIGH_10:
1184
    case FF_PROFILE_H264_HIGH_10_INTRA:
1185
        av_log(avctx, AV_LOG_ERROR, "H.264 10-bit profiles "
1186
               "are not supported.\n");
1187
        return AVERROR_PATCHWELCOME;
1188
    case FF_PROFILE_H264_HIGH_422:
1189
    case FF_PROFILE_H264_HIGH_422_INTRA:
1190
    case FF_PROFILE_H264_HIGH_444:
1191
    case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
1192
    case FF_PROFILE_H264_HIGH_444_INTRA:
1193
    case FF_PROFILE_H264_CAVLC_444:
1194
        av_log(avctx, AV_LOG_ERROR, "H.264 non-4:2:0 profiles "
1195
               "are not supported.\n");
1196
        return AVERROR_PATCHWELCOME;
1197
    }
1198
1199
    if (avctx->level != FF_LEVEL_UNKNOWN && avctx->level & ~0xff) {
1200
        av_log(avctx, AV_LOG_ERROR, "Invalid level %d: must fit "
1201
               "in 8-bit unsigned integer.\n", avctx->level);
1202
        return AVERROR(EINVAL);
1203
    }
1204
1205
    ctx->desired_packed_headers =
1206
        VA_ENC_PACKED_HEADER_SEQUENCE | // SPS and PPS.
1207
        VA_ENC_PACKED_HEADER_SLICE    | // Slice headers.
1208
        VA_ENC_PACKED_HEADER_MISC;      // SEI.
1209
1210
    ctx->surface_width  = FFALIGN(avctx->width,  16);
1211
    ctx->surface_height = FFALIGN(avctx->height, 16);
1212
1213
    ctx->slice_block_height = ctx->slice_block_width = 16;
1214
1215
    if (priv->qp > 0)
1216
        ctx->explicit_qp = priv->qp;
1217
1218
    return ff_vaapi_encode_init(avctx);
1219
}
1220
1221
static av_cold int vaapi_encode_h264_close(AVCodecContext *avctx)
1222
{
1223
    VAAPIEncodeH264Context *priv = avctx->priv_data;
1224
1225
    ff_cbs_fragment_free(&priv->current_access_unit);
1226
    ff_cbs_close(&priv->cbc);
1227
    av_freep(&priv->sei_identifier_string);
1228
1229
    return ff_vaapi_encode_close(avctx);
1230
}
1231
1232
#define OFFSET(x) offsetof(VAAPIEncodeH264Context, x)
1233
#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
1234
static const AVOption vaapi_encode_h264_options[] = {
1235
    VAAPI_ENCODE_COMMON_OPTIONS,
1236
    VAAPI_ENCODE_RC_OPTIONS,
1237
1238
    { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
1239
      OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 52, FLAGS },
1240
    { "quality", "Set encode quality (trades off against speed, higher is faster)",
1241
      OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
1242
    { "coder", "Entropy coder type",
1243
      OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, FLAGS, "coder" },
1244
        { "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1245
        { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1246
        { "vlc",   NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1247
        { "ac",    NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1248
1249
    { "aud", "Include AUD",
1250
      OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
1251
1252
    { "sei", "Set SEI to include",
1253
      OFFSET(sei), AV_OPT_TYPE_FLAGS,
1254
      { .i64 = SEI_IDENTIFIER | SEI_TIMING | SEI_RECOVERY_POINT },
1255
      0, INT_MAX, FLAGS, "sei" },
1256
    { "identifier", "Include encoder version identifier",
1257
      0, AV_OPT_TYPE_CONST, { .i64 = SEI_IDENTIFIER },
1258
      INT_MIN, INT_MAX, FLAGS, "sei" },
1259
    { "timing", "Include timing parameters (buffering_period and pic_timing)",
1260
      0, AV_OPT_TYPE_CONST, { .i64 = SEI_TIMING },
1261
      INT_MIN, INT_MAX, FLAGS, "sei" },
1262
    { "recovery_point", "Include recovery points where appropriate",
1263
      0, AV_OPT_TYPE_CONST, { .i64 = SEI_RECOVERY_POINT },
1264
      INT_MIN, INT_MAX, FLAGS, "sei" },
1265
1266
    { "profile", "Set profile (profile_idc and constraint_set*_flag)",
1267
      OFFSET(profile), AV_OPT_TYPE_INT,
1268
      { .i64 = FF_PROFILE_UNKNOWN }, FF_PROFILE_UNKNOWN, 0xffff, FLAGS, "profile" },
1269
1270
#define PROFILE(name, value)  name, NULL, 0, AV_OPT_TYPE_CONST, \
1271
      { .i64 = value }, 0, 0, FLAGS, "profile"
1272
    { PROFILE("constrained_baseline", FF_PROFILE_H264_CONSTRAINED_BASELINE) },
1273
    { PROFILE("main",                 FF_PROFILE_H264_MAIN) },
1274
    { PROFILE("high",                 FF_PROFILE_H264_HIGH) },
1275
#undef PROFILE
1276
1277
    { "level", "Set level (level_idc)",
1278
      OFFSET(level), AV_OPT_TYPE_INT,
1279
      { .i64 = FF_LEVEL_UNKNOWN }, FF_LEVEL_UNKNOWN, 0xff, FLAGS, "level" },
1280
1281
#define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
1282
      { .i64 = value }, 0, 0, FLAGS, "level"
1283
    { LEVEL("1",   10) },
1284
    { LEVEL("1.1", 11) },
1285
    { LEVEL("1.2", 12) },
1286
    { LEVEL("1.3", 13) },
1287
    { LEVEL("2",   20) },
1288
    { LEVEL("2.1", 21) },
1289
    { LEVEL("2.2", 22) },
1290
    { LEVEL("3",   30) },
1291
    { LEVEL("3.1", 31) },
1292
    { LEVEL("3.2", 32) },
1293
    { LEVEL("4",   40) },
1294
    { LEVEL("4.1", 41) },
1295
    { LEVEL("4.2", 42) },
1296
    { LEVEL("5",   50) },
1297
    { LEVEL("5.1", 51) },
1298
    { LEVEL("5.2", 52) },
1299
    { LEVEL("6",   60) },
1300
    { LEVEL("6.1", 61) },
1301
    { LEVEL("6.2", 62) },
1302
#undef LEVEL
1303
1304
    { NULL },
1305
};
1306
1307
static const AVCodecDefault vaapi_encode_h264_defaults[] = {
1308
    { "b",              "0"   },
1309
    { "bf",             "2"   },
1310
    { "g",              "120" },
1311
    { "i_qfactor",      "1"   },
1312
    { "i_qoffset",      "0"   },
1313
    { "b_qfactor",      "6/5" },
1314
    { "b_qoffset",      "0"   },
1315
    { "qmin",           "-1"  },
1316
    { "qmax",           "-1"  },
1317
    { NULL },
1318
};
1319
1320
static const AVClass vaapi_encode_h264_class = {
1321
    .class_name = "h264_vaapi",
1322
    .item_name  = av_default_item_name,
1323
    .option     = vaapi_encode_h264_options,
1324
    .version    = LIBAVUTIL_VERSION_INT,
1325
};
1326
1327
AVCodec ff_h264_vaapi_encoder = {
1328
    .name           = "h264_vaapi",
1329
    .long_name      = NULL_IF_CONFIG_SMALL("H.264/AVC (VAAPI)"),
1330
    .type           = AVMEDIA_TYPE_VIDEO,
1331
    .id             = AV_CODEC_ID_H264,
1332
    .priv_data_size = sizeof(VAAPIEncodeH264Context),
1333
    .init           = &vaapi_encode_h264_init,
1334
    .receive_packet = &ff_vaapi_encode_receive_packet,
1335
    .close          = &vaapi_encode_h264_close,
1336
    .priv_class     = &vaapi_encode_h264_class,
1337
    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
1338
                      AV_CODEC_CAP_DR1,
1339
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
1340
    .defaults       = vaapi_encode_h264_defaults,
1341
    .pix_fmts = (const enum AVPixelFormat[]) {
1342
        AV_PIX_FMT_VAAPI,
1343
        AV_PIX_FMT_NONE,
1344
    },
1345
    .hw_configs     = ff_vaapi_encode_hw_configs,
1346
    .wrapper_name   = "vaapi",
1347
};