GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/vaapi_encode_h264.c Lines: 0 657 0.0 %
Date: 2021-01-20 23:14:43 Branches: 0 335 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
    H264RawSEI   raw_sei;
94
    H264RawSlice raw_slice;
95
96
    H264RawSEIBufferingPeriod      sei_buffering_period;
97
    H264RawSEIPicTiming            sei_pic_timing;
98
    H264RawSEIRecoveryPoint        sei_recovery_point;
99
    H264RawSEIUserDataUnregistered sei_identifier;
100
    char                          *sei_identifier_string;
101
102
    int aud_needed;
103
    int sei_needed;
104
    int sei_cbr_workaround_needed;
105
} VAAPIEncodeH264Context;
106
107
108
static int vaapi_encode_h264_write_access_unit(AVCodecContext *avctx,
109
                                               char *data, size_t *data_len,
110
                                               CodedBitstreamFragment *au)
111
{
112
    VAAPIEncodeH264Context *priv = avctx->priv_data;
113
    int err;
114
115
    err = ff_cbs_write_fragment_data(priv->cbc, au);
116
    if (err < 0) {
117
        av_log(avctx, AV_LOG_ERROR, "Failed to write packed header.\n");
118
        return err;
119
    }
120
121
    if (*data_len < 8 * au->data_size - au->data_bit_padding) {
122
        av_log(avctx, AV_LOG_ERROR, "Access unit too large: "
123
               "%zu < %zu.\n", *data_len,
124
               8 * au->data_size - au->data_bit_padding);
125
        return AVERROR(ENOSPC);
126
    }
127
128
    memcpy(data, au->data, au->data_size);
129
    *data_len = 8 * au->data_size - au->data_bit_padding;
130
131
    return 0;
132
}
133
134
static int vaapi_encode_h264_add_nal(AVCodecContext *avctx,
135
                                     CodedBitstreamFragment *au,
136
                                     void *nal_unit)
137
{
138
    H264RawNALUnitHeader *header = nal_unit;
139
    int err;
140
141
    err = ff_cbs_insert_unit_content(au, -1,
142
                                     header->nal_unit_type, nal_unit, NULL);
143
    if (err < 0) {
144
        av_log(avctx, AV_LOG_ERROR, "Failed to add NAL unit: "
145
               "type = %d.\n", header->nal_unit_type);
146
        return err;
147
    }
148
149
    return 0;
150
}
151
152
static int vaapi_encode_h264_write_sequence_header(AVCodecContext *avctx,
153
                                                   char *data, size_t *data_len)
154
{
155
    VAAPIEncodeH264Context *priv = avctx->priv_data;
156
    CodedBitstreamFragment   *au = &priv->current_access_unit;
157
    int err;
158
159
    if (priv->aud_needed) {
160
        err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_aud);
161
        if (err < 0)
162
            goto fail;
163
        priv->aud_needed = 0;
164
    }
165
166
    err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_sps);
167
    if (err < 0)
168
        goto fail;
169
170
    err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_pps);
171
    if (err < 0)
172
        goto fail;
173
174
    err = vaapi_encode_h264_write_access_unit(avctx, data, data_len, au);
175
fail:
176
    ff_cbs_fragment_reset(au);
177
    return err;
178
}
179
180
static int vaapi_encode_h264_write_slice_header(AVCodecContext *avctx,
181
                                                VAAPIEncodePicture *pic,
182
                                                VAAPIEncodeSlice *slice,
183
                                                char *data, size_t *data_len)
184
{
185
    VAAPIEncodeH264Context *priv = avctx->priv_data;
186
    CodedBitstreamFragment   *au = &priv->current_access_unit;
187
    int err;
188
189
    if (priv->aud_needed) {
190
        err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_aud);
191
        if (err < 0)
192
            goto fail;
193
        priv->aud_needed = 0;
194
    }
195
196
    err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_slice);
197
    if (err < 0)
198
        goto fail;
199
200
    err = vaapi_encode_h264_write_access_unit(avctx, data, data_len, au);
201
fail:
202
    ff_cbs_fragment_reset(au);
203
    return err;
204
}
205
206
static int vaapi_encode_h264_write_extra_header(AVCodecContext *avctx,
207
                                                VAAPIEncodePicture *pic,
208
                                                int index, int *type,
209
                                                char *data, size_t *data_len)
210
{
211
    VAAPIEncodeH264Context *priv = avctx->priv_data;
212
    CodedBitstreamFragment   *au = &priv->current_access_unit;
213
    int err, i;
214
215
    if (priv->sei_needed) {
216
        H264RawSEI *sei = &priv->raw_sei;
217
218
        if (priv->aud_needed) {
219
            err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_aud);
220
            if (err < 0)
221
                goto fail;
222
            priv->aud_needed = 0;
223
        }
224
225
        *sei = (H264RawSEI) {
226
            .nal_unit_header = {
227
                .nal_unit_type = H264_NAL_SEI,
228
            },
229
        };
230
231
        i = 0;
232
233
        if (priv->sei_needed & SEI_IDENTIFIER) {
234
            sei->payload[i].payload_type = H264_SEI_TYPE_USER_DATA_UNREGISTERED;
235
            sei->payload[i].payload.user_data_unregistered = priv->sei_identifier;
236
            ++i;
237
        }
238
        if (priv->sei_needed & SEI_TIMING) {
239
            if (pic->type == PICTURE_TYPE_IDR) {
240
                sei->payload[i].payload_type = H264_SEI_TYPE_BUFFERING_PERIOD;
241
                sei->payload[i].payload.buffering_period = priv->sei_buffering_period;
242
                ++i;
243
            }
244
            sei->payload[i].payload_type = H264_SEI_TYPE_PIC_TIMING;
245
            sei->payload[i].payload.pic_timing = priv->sei_pic_timing;
246
            ++i;
247
        }
248
        if (priv->sei_needed & SEI_RECOVERY_POINT) {
249
            sei->payload[i].payload_type = H264_SEI_TYPE_RECOVERY_POINT;
250
            sei->payload[i].payload.recovery_point = priv->sei_recovery_point;
251
            ++i;
252
        }
253
254
        sei->payload_count = i;
255
        av_assert0(sei->payload_count > 0);
256
257
        err = vaapi_encode_h264_add_nal(avctx, au, sei);
258
        if (err < 0)
259
            goto fail;
260
        priv->sei_needed = 0;
261
262
        err = vaapi_encode_h264_write_access_unit(avctx, data, data_len, au);
263
        if (err < 0)
264
            goto fail;
265
266
        ff_cbs_fragment_reset(au);
267
268
        *type = VAEncPackedHeaderRawData;
269
        return 0;
270
271
#if !CONFIG_VAAPI_1
272
    } else if (priv->sei_cbr_workaround_needed) {
273
        // Insert a zero-length header using the old SEI type.  This is
274
        // required to avoid triggering broken behaviour on Intel platforms
275
        // in CBR mode where an invalid SEI message is generated by the
276
        // driver and inserted into the stream.
277
        *data_len = 0;
278
        *type = VAEncPackedHeaderH264_SEI;
279
        priv->sei_cbr_workaround_needed = 0;
280
        return 0;
281
#endif
282
283
    } else {
284
        return AVERROR_EOF;
285
    }
286
287
fail:
288
    ff_cbs_fragment_reset(au);
289
    return err;
290
}
291
292
static int vaapi_encode_h264_init_sequence_params(AVCodecContext *avctx)
293
{
294
    VAAPIEncodeContext                *ctx = avctx->priv_data;
295
    VAAPIEncodeH264Context           *priv = avctx->priv_data;
296
    H264RawSPS                        *sps = &priv->raw_sps;
297
    H264RawPPS                        *pps = &priv->raw_pps;
298
    VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
299
    VAEncPictureParameterBufferH264  *vpic = ctx->codec_picture_params;
300
301
    memset(sps, 0, sizeof(*sps));
302
    memset(pps, 0, sizeof(*pps));
303
304
    sps->nal_unit_header.nal_ref_idc   = 3;
305
    sps->nal_unit_header.nal_unit_type = H264_NAL_SPS;
306
307
    sps->profile_idc = avctx->profile & 0xff;
308
309
    if (avctx->profile == FF_PROFILE_H264_CONSTRAINED_BASELINE ||
310
        avctx->profile == FF_PROFILE_H264_MAIN)
311
        sps->constraint_set1_flag = 1;
312
313
    if (avctx->profile == FF_PROFILE_H264_HIGH)
314
        sps->constraint_set3_flag = ctx->gop_size == 1;
315
316
    if (avctx->profile == FF_PROFILE_H264_MAIN ||
317
        avctx->profile == FF_PROFILE_H264_HIGH) {
318
        sps->constraint_set4_flag = 1;
319
        sps->constraint_set5_flag = ctx->b_per_p == 0;
320
    }
321
322
    if (ctx->gop_size == 1)
323
        priv->dpb_frames = 0;
324
    else
325
        priv->dpb_frames = 1 + ctx->max_b_depth;
326
327
    if (avctx->level != FF_LEVEL_UNKNOWN) {
328
        sps->level_idc = avctx->level;
329
    } else {
330
        const H264LevelDescriptor *level;
331
        int framerate;
332
333
        if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
334
            framerate = avctx->framerate.num / avctx->framerate.den;
335
        else
336
            framerate = 0;
337
338
        level = ff_h264_guess_level(sps->profile_idc,
339
                                    avctx->bit_rate,
340
                                    framerate,
341
                                    priv->mb_width  * 16,
342
                                    priv->mb_height * 16,
343
                                    priv->dpb_frames);
344
        if (level) {
345
            av_log(avctx, AV_LOG_VERBOSE, "Using level %s.\n", level->name);
346
            if (level->constraint_set3_flag)
347
                sps->constraint_set3_flag = 1;
348
            sps->level_idc = level->level_idc;
349
        } else {
350
            av_log(avctx, AV_LOG_WARNING, "Stream will not conform "
351
                   "to any level: using level 6.2.\n");
352
            sps->level_idc = 62;
353
        }
354
    }
355
356
    sps->seq_parameter_set_id = 0;
357
    sps->chroma_format_idc    = 1;
358
359
    sps->log2_max_frame_num_minus4 = 4;
360
    sps->pic_order_cnt_type        = 0;
361
    sps->log2_max_pic_order_cnt_lsb_minus4 = 4;
362
363
    sps->max_num_ref_frames = priv->dpb_frames;
364
365
    sps->pic_width_in_mbs_minus1        = priv->mb_width  - 1;
366
    sps->pic_height_in_map_units_minus1 = priv->mb_height - 1;
367
368
    sps->frame_mbs_only_flag = 1;
369
    sps->direct_8x8_inference_flag = 1;
370
371
    if (avctx->width  != 16 * priv->mb_width ||
372
        avctx->height != 16 * priv->mb_height) {
373
        sps->frame_cropping_flag = 1;
374
375
        sps->frame_crop_left_offset   = 0;
376
        sps->frame_crop_right_offset  =
377
            (16 * priv->mb_width - avctx->width) / 2;
378
        sps->frame_crop_top_offset    = 0;
379
        sps->frame_crop_bottom_offset =
380
            (16 * priv->mb_height - avctx->height) / 2;
381
    } else {
382
        sps->frame_cropping_flag = 0;
383
    }
384
385
    sps->vui_parameters_present_flag = 1;
386
387
    if (avctx->sample_aspect_ratio.num != 0 &&
388
        avctx->sample_aspect_ratio.den != 0) {
389
        static const AVRational sar_idc[] = {
390
            {   0,  0 },
391
            {   1,  1 }, {  12, 11 }, {  10, 11 }, {  16, 11 },
392
            {  40, 33 }, {  24, 11 }, {  20, 11 }, {  32, 11 },
393
            {  80, 33 }, {  18, 11 }, {  15, 11 }, {  64, 33 },
394
            { 160, 99 }, {   4,  3 }, {   3,  2 }, {   2,  1 },
395
        };
396
        int num, den, i;
397
        av_reduce(&num, &den, avctx->sample_aspect_ratio.num,
398
                  avctx->sample_aspect_ratio.den, 65535);
399
        for (i = 0; i < FF_ARRAY_ELEMS(sar_idc); i++) {
400
            if (num == sar_idc[i].num &&
401
                den == sar_idc[i].den) {
402
                sps->vui.aspect_ratio_idc = i;
403
                break;
404
            }
405
        }
406
        if (i >= FF_ARRAY_ELEMS(sar_idc)) {
407
            sps->vui.aspect_ratio_idc = 255;
408
            sps->vui.sar_width  = num;
409
            sps->vui.sar_height = den;
410
        }
411
        sps->vui.aspect_ratio_info_present_flag = 1;
412
    }
413
414
    // Unspecified video format, from table E-2.
415
    sps->vui.video_format             = 5;
416
    sps->vui.video_full_range_flag    =
417
        avctx->color_range == AVCOL_RANGE_JPEG;
418
    sps->vui.colour_primaries         = avctx->color_primaries;
419
    sps->vui.transfer_characteristics = avctx->color_trc;
420
    sps->vui.matrix_coefficients      = avctx->colorspace;
421
    if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED ||
422
        avctx->color_trc       != AVCOL_TRC_UNSPECIFIED ||
423
        avctx->colorspace      != AVCOL_SPC_UNSPECIFIED)
424
        sps->vui.colour_description_present_flag = 1;
425
    if (avctx->color_range     != AVCOL_RANGE_UNSPECIFIED ||
426
        sps->vui.colour_description_present_flag)
427
        sps->vui.video_signal_type_present_flag = 1;
428
429
    if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) {
430
        sps->vui.chroma_loc_info_present_flag = 1;
431
        sps->vui.chroma_sample_loc_type_top_field    =
432
        sps->vui.chroma_sample_loc_type_bottom_field =
433
            avctx->chroma_sample_location - 1;
434
    }
435
436
    sps->vui.timing_info_present_flag = 1;
437
    if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
438
        sps->vui.num_units_in_tick = avctx->framerate.den;
439
        sps->vui.time_scale        = 2 * avctx->framerate.num;
440
        sps->vui.fixed_frame_rate_flag = 1;
441
    } else {
442
        sps->vui.num_units_in_tick = avctx->time_base.num;
443
        sps->vui.time_scale        = 2 * avctx->time_base.den;
444
        sps->vui.fixed_frame_rate_flag = 0;
445
    }
446
447
    if (priv->sei & SEI_TIMING) {
448
        H264RawHRD *hrd = &sps->vui.nal_hrd_parameters;
449
        H264RawSEIBufferingPeriod *bp = &priv->sei_buffering_period;
450
451
        sps->vui.nal_hrd_parameters_present_flag = 1;
452
453
        hrd->cpb_cnt_minus1 = 0;
454
455
        // Try to scale these to a sensible range so that the
456
        // golomb encode of the value is not overlong.
457
        hrd->bit_rate_scale =
458
            av_clip_uintp2(av_log2(ctx->va_bit_rate) - 15 - 6, 4);
459
        hrd->bit_rate_value_minus1[0] =
460
            (ctx->va_bit_rate >> hrd->bit_rate_scale + 6) - 1;
461
462
        hrd->cpb_size_scale =
463
            av_clip_uintp2(av_log2(ctx->hrd_params.buffer_size) - 15 - 4, 4);
464
        hrd->cpb_size_value_minus1[0] =
465
            (ctx->hrd_params.buffer_size >> hrd->cpb_size_scale + 4) - 1;
466
467
        // CBR mode as defined for the HRD cannot be achieved without filler
468
        // data, so this flag cannot be set even with VAAPI CBR modes.
469
        hrd->cbr_flag[0] = 0;
470
471
        hrd->initial_cpb_removal_delay_length_minus1 = 23;
472
        hrd->cpb_removal_delay_length_minus1         = 23;
473
        hrd->dpb_output_delay_length_minus1          = 7;
474
        hrd->time_offset_length                      = 0;
475
476
        bp->seq_parameter_set_id = sps->seq_parameter_set_id;
477
478
        // This calculation can easily overflow 32 bits.
479
        bp->nal.initial_cpb_removal_delay[0] = 90000 *
480
            (uint64_t)ctx->hrd_params.initial_buffer_fullness /
481
            ctx->hrd_params.buffer_size;
482
        bp->nal.initial_cpb_removal_delay_offset[0] = 0;
483
    } else {
484
        sps->vui.nal_hrd_parameters_present_flag = 0;
485
        sps->vui.low_delay_hrd_flag = 1 - sps->vui.fixed_frame_rate_flag;
486
    }
487
488
    sps->vui.bitstream_restriction_flag    = 1;
489
    sps->vui.motion_vectors_over_pic_boundaries_flag = 1;
490
    sps->vui.log2_max_mv_length_horizontal = 15;
491
    sps->vui.log2_max_mv_length_vertical   = 15;
492
    sps->vui.max_num_reorder_frames        = ctx->max_b_depth;
493
    sps->vui.max_dec_frame_buffering       = ctx->max_b_depth + 1;
494
495
    pps->nal_unit_header.nal_ref_idc = 3;
496
    pps->nal_unit_header.nal_unit_type = H264_NAL_PPS;
497
498
    pps->pic_parameter_set_id = 0;
499
    pps->seq_parameter_set_id = 0;
500
501
    pps->entropy_coding_mode_flag =
502
        !(sps->profile_idc == FF_PROFILE_H264_BASELINE ||
503
          sps->profile_idc == FF_PROFILE_H264_EXTENDED ||
504
          sps->profile_idc == FF_PROFILE_H264_CAVLC_444);
505
    if (!priv->coder && pps->entropy_coding_mode_flag)
506
        pps->entropy_coding_mode_flag = 0;
507
508
    pps->num_ref_idx_l0_default_active_minus1 = 0;
509
    pps->num_ref_idx_l1_default_active_minus1 = 0;
510
511
    pps->pic_init_qp_minus26 = priv->fixed_qp_idr - 26;
512
513
    if (sps->profile_idc == FF_PROFILE_H264_BASELINE ||
514
        sps->profile_idc == FF_PROFILE_H264_EXTENDED ||
515
        sps->profile_idc == FF_PROFILE_H264_MAIN) {
516
        pps->more_rbsp_data = 0;
517
    } else {
518
        pps->more_rbsp_data = 1;
519
520
        pps->transform_8x8_mode_flag = 1;
521
    }
522
523
    *vseq = (VAEncSequenceParameterBufferH264) {
524
        .seq_parameter_set_id = sps->seq_parameter_set_id,
525
        .level_idc        = sps->level_idc,
526
        .intra_period     = ctx->gop_size,
527
        .intra_idr_period = ctx->gop_size,
528
        .ip_period        = ctx->b_per_p + 1,
529
530
        .bits_per_second       = ctx->va_bit_rate,
531
        .max_num_ref_frames    = sps->max_num_ref_frames,
532
        .picture_width_in_mbs  = sps->pic_width_in_mbs_minus1 + 1,
533
        .picture_height_in_mbs = sps->pic_height_in_map_units_minus1 + 1,
534
535
        .seq_fields.bits = {
536
            .chroma_format_idc                 = sps->chroma_format_idc,
537
            .frame_mbs_only_flag               = sps->frame_mbs_only_flag,
538
            .mb_adaptive_frame_field_flag      = sps->mb_adaptive_frame_field_flag,
539
            .seq_scaling_matrix_present_flag   = sps->seq_scaling_matrix_present_flag,
540
            .direct_8x8_inference_flag         = sps->direct_8x8_inference_flag,
541
            .log2_max_frame_num_minus4         = sps->log2_max_frame_num_minus4,
542
            .pic_order_cnt_type                = sps->pic_order_cnt_type,
543
            .log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_pic_order_cnt_lsb_minus4,
544
            .delta_pic_order_always_zero_flag  = sps->delta_pic_order_always_zero_flag,
545
        },
546
547
        .bit_depth_luma_minus8   = sps->bit_depth_luma_minus8,
548
        .bit_depth_chroma_minus8 = sps->bit_depth_chroma_minus8,
549
550
        .frame_cropping_flag      = sps->frame_cropping_flag,
551
        .frame_crop_left_offset   = sps->frame_crop_left_offset,
552
        .frame_crop_right_offset  = sps->frame_crop_right_offset,
553
        .frame_crop_top_offset    = sps->frame_crop_top_offset,
554
        .frame_crop_bottom_offset = sps->frame_crop_bottom_offset,
555
556
        .vui_parameters_present_flag = sps->vui_parameters_present_flag,
557
558
        .vui_fields.bits = {
559
            .aspect_ratio_info_present_flag = sps->vui.aspect_ratio_info_present_flag,
560
            .timing_info_present_flag       = sps->vui.timing_info_present_flag,
561
            .bitstream_restriction_flag     = sps->vui.bitstream_restriction_flag,
562
            .log2_max_mv_length_horizontal  = sps->vui.log2_max_mv_length_horizontal,
563
            .log2_max_mv_length_vertical    = sps->vui.log2_max_mv_length_vertical,
564
        },
565
566
        .aspect_ratio_idc  = sps->vui.aspect_ratio_idc,
567
        .sar_width         = sps->vui.sar_width,
568
        .sar_height        = sps->vui.sar_height,
569
        .num_units_in_tick = sps->vui.num_units_in_tick,
570
        .time_scale        = sps->vui.time_scale,
571
    };
572
573
    *vpic = (VAEncPictureParameterBufferH264) {
574
        .CurrPic = {
575
            .picture_id = VA_INVALID_ID,
576
            .flags      = VA_PICTURE_H264_INVALID,
577
        },
578
579
        .coded_buf = VA_INVALID_ID,
580
581
        .pic_parameter_set_id = pps->pic_parameter_set_id,
582
        .seq_parameter_set_id = pps->seq_parameter_set_id,
583
584
        .pic_init_qp                  = pps->pic_init_qp_minus26 + 26,
585
        .num_ref_idx_l0_active_minus1 = pps->num_ref_idx_l0_default_active_minus1,
586
        .num_ref_idx_l1_active_minus1 = pps->num_ref_idx_l1_default_active_minus1,
587
588
        .chroma_qp_index_offset        = pps->chroma_qp_index_offset,
589
        .second_chroma_qp_index_offset = pps->second_chroma_qp_index_offset,
590
591
        .pic_fields.bits = {
592
            .entropy_coding_mode_flag        = pps->entropy_coding_mode_flag,
593
            .weighted_pred_flag              = pps->weighted_pred_flag,
594
            .weighted_bipred_idc             = pps->weighted_bipred_idc,
595
            .constrained_intra_pred_flag     = pps->constrained_intra_pred_flag,
596
            .transform_8x8_mode_flag         = pps->transform_8x8_mode_flag,
597
            .deblocking_filter_control_present_flag =
598
                pps->deblocking_filter_control_present_flag,
599
            .redundant_pic_cnt_present_flag  = pps->redundant_pic_cnt_present_flag,
600
            .pic_order_present_flag          =
601
                pps->bottom_field_pic_order_in_frame_present_flag,
602
            .pic_scaling_matrix_present_flag = pps->pic_scaling_matrix_present_flag,
603
        },
604
    };
605
606
    return 0;
607
}
608
609
static int vaapi_encode_h264_init_picture_params(AVCodecContext *avctx,
610
                                                 VAAPIEncodePicture *pic)
611
{
612
    VAAPIEncodeContext               *ctx = avctx->priv_data;
613
    VAAPIEncodeH264Context          *priv = avctx->priv_data;
614
    VAAPIEncodeH264Picture          *hpic = pic->priv_data;
615
    VAAPIEncodePicture              *prev = pic->prev;
616
    VAAPIEncodeH264Picture         *hprev = prev ? prev->priv_data : NULL;
617
    VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
618
    int i;
619
620
    if (pic->type == PICTURE_TYPE_IDR) {
621
        av_assert0(pic->display_order == pic->encode_order);
622
623
        hpic->frame_num      = 0;
624
        hpic->last_idr_frame = pic->display_order;
625
        hpic->idr_pic_id     = hprev ? hprev->idr_pic_id + 1 : 0;
626
627
        hpic->primary_pic_type = 0;
628
        hpic->slice_type       = 7;
629
    } else {
630
        av_assert0(prev);
631
632
        hpic->frame_num = hprev->frame_num + prev->is_reference;
633
634
        hpic->last_idr_frame = hprev->last_idr_frame;
635
        hpic->idr_pic_id     = hprev->idr_pic_id;
636
637
        if (pic->type == PICTURE_TYPE_I) {
638
            hpic->slice_type       = 7;
639
            hpic->primary_pic_type = 0;
640
        } else if (pic->type == PICTURE_TYPE_P) {
641
            hpic->slice_type       = 5;
642
            hpic->primary_pic_type = 1;
643
        } else {
644
            hpic->slice_type       = 6;
645
            hpic->primary_pic_type = 2;
646
        }
647
    }
648
    hpic->pic_order_cnt = pic->display_order - hpic->last_idr_frame;
649
    hpic->dpb_delay     = pic->display_order - pic->encode_order + ctx->max_b_depth;
650
    hpic->cpb_delay     = pic->encode_order - hpic->last_idr_frame;
651
652
    if (priv->aud) {
653
        priv->aud_needed = 1;
654
        priv->raw_aud = (H264RawAUD) {
655
            .nal_unit_header = {
656
                .nal_unit_type = H264_NAL_AUD,
657
            },
658
            .primary_pic_type  = hpic->primary_pic_type,
659
        };
660
    } else {
661
        priv->aud_needed = 0;
662
    }
663
664
    priv->sei_needed = 0;
665
666
    if (priv->sei & SEI_IDENTIFIER && pic->encode_order == 0)
667
        priv->sei_needed |= SEI_IDENTIFIER;
668
#if !CONFIG_VAAPI_1
669
    if (ctx->va_rc_mode == VA_RC_CBR)
670
        priv->sei_cbr_workaround_needed = 1;
671
#endif
672
673
    if (priv->sei & SEI_TIMING) {
674
        priv->sei_pic_timing = (H264RawSEIPicTiming) {
675
            .cpb_removal_delay = 2 * hpic->cpb_delay,
676
            .dpb_output_delay  = 2 * hpic->dpb_delay,
677
        };
678
679
        priv->sei_needed |= SEI_TIMING;
680
    }
681
682
    if (priv->sei & SEI_RECOVERY_POINT && pic->type == PICTURE_TYPE_I) {
683
        priv->sei_recovery_point = (H264RawSEIRecoveryPoint) {
684
            .recovery_frame_cnt = 0,
685
            .exact_match_flag   = 1,
686
            .broken_link_flag   = ctx->b_per_p > 0,
687
        };
688
689
        priv->sei_needed |= SEI_RECOVERY_POINT;
690
    }
691
692
    vpic->CurrPic = (VAPictureH264) {
693
        .picture_id          = pic->recon_surface,
694
        .frame_idx           = hpic->frame_num,
695
        .flags               = 0,
696
        .TopFieldOrderCnt    = hpic->pic_order_cnt,
697
        .BottomFieldOrderCnt = hpic->pic_order_cnt,
698
    };
699
700
    for (i = 0; i < pic->nb_refs; i++) {
701
        VAAPIEncodePicture      *ref = pic->refs[i];
702
        VAAPIEncodeH264Picture *href;
703
704
        av_assert0(ref && ref->encode_order < pic->encode_order);
705
        href = ref->priv_data;
706
707
        vpic->ReferenceFrames[i] = (VAPictureH264) {
708
            .picture_id          = ref->recon_surface,
709
            .frame_idx           = href->frame_num,
710
            .flags               = VA_PICTURE_H264_SHORT_TERM_REFERENCE,
711
            .TopFieldOrderCnt    = href->pic_order_cnt,
712
            .BottomFieldOrderCnt = href->pic_order_cnt,
713
        };
714
    }
715
    for (; i < FF_ARRAY_ELEMS(vpic->ReferenceFrames); i++) {
716
        vpic->ReferenceFrames[i] = (VAPictureH264) {
717
            .picture_id = VA_INVALID_ID,
718
            .flags      = VA_PICTURE_H264_INVALID,
719
        };
720
    }
721
722
    vpic->coded_buf = pic->output_buffer;
723
724
    vpic->frame_num = hpic->frame_num;
725
726
    vpic->pic_fields.bits.idr_pic_flag       = (pic->type == PICTURE_TYPE_IDR);
727
    vpic->pic_fields.bits.reference_pic_flag = (pic->type != PICTURE_TYPE_B);
728
729
    return 0;
730
}
731
732
static void vaapi_encode_h264_default_ref_pic_list(AVCodecContext *avctx,
733
                                                   VAAPIEncodePicture *pic,
734
                                                   VAAPIEncodePicture **rpl0,
735
                                                   VAAPIEncodePicture **rpl1,
736
                                                   int *rpl_size)
737
{
738
    VAAPIEncodePicture *prev;
739
    VAAPIEncodeH264Picture *hp, *hn, *hc;
740
    int i, j, n = 0;
741
742
    prev = pic->prev;
743
    av_assert0(prev);
744
    hp = pic->priv_data;
745
746
    for (i = 0; i < pic->prev->nb_dpb_pics; i++) {
747
        hn = prev->dpb[i]->priv_data;
748
        av_assert0(hn->frame_num < hp->frame_num);
749
750
        if (pic->type == PICTURE_TYPE_P) {
751
            for (j = n; j > 0; j--) {
752
                hc = rpl0[j - 1]->priv_data;
753
                av_assert0(hc->frame_num != hn->frame_num);
754
                if (hc->frame_num > hn->frame_num)
755
                    break;
756
                rpl0[j] = rpl0[j - 1];
757
            }
758
            rpl0[j] = prev->dpb[i];
759
760
        } else if (pic->type == PICTURE_TYPE_B) {
761
            for (j = n; j > 0; j--) {
762
                hc = rpl0[j - 1]->priv_data;
763
                av_assert0(hc->pic_order_cnt != hp->pic_order_cnt);
764
                if (hc->pic_order_cnt < hp->pic_order_cnt) {
765
                    if (hn->pic_order_cnt > hp->pic_order_cnt ||
766
                        hn->pic_order_cnt < hc->pic_order_cnt)
767
                        break;
768
                } else {
769
                    if (hn->pic_order_cnt > hc->pic_order_cnt)
770
                        break;
771
                }
772
                rpl0[j] = rpl0[j - 1];
773
            }
774
            rpl0[j] = prev->dpb[i];
775
776
            for (j = n; j > 0; j--) {
777
                hc = rpl1[j - 1]->priv_data;
778
                av_assert0(hc->pic_order_cnt != hp->pic_order_cnt);
779
                if (hc->pic_order_cnt > hp->pic_order_cnt) {
780
                    if (hn->pic_order_cnt < hp->pic_order_cnt ||
781
                        hn->pic_order_cnt > hc->pic_order_cnt)
782
                        break;
783
                } else {
784
                    if (hn->pic_order_cnt < hc->pic_order_cnt)
785
                        break;
786
                }
787
                rpl1[j] = rpl1[j - 1];
788
            }
789
            rpl1[j] = prev->dpb[i];
790
        }
791
792
        ++n;
793
    }
794
795
    if (pic->type == PICTURE_TYPE_B) {
796
        for (i = 0; i < n; i++) {
797
            if (rpl0[i] != rpl1[i])
798
                break;
799
        }
800
        if (i == n)
801
            FFSWAP(VAAPIEncodePicture*, rpl1[0], rpl1[1]);
802
    }
803
804
    if (pic->type == PICTURE_TYPE_P ||
805
        pic->type == PICTURE_TYPE_B) {
806
        av_log(avctx, AV_LOG_DEBUG, "Default RefPicList0 for fn=%d/poc=%d:",
807
               hp->frame_num, hp->pic_order_cnt);
808
        for (i = 0; i < n; i++) {
809
            hn = rpl0[i]->priv_data;
810
            av_log(avctx, AV_LOG_DEBUG, "  fn=%d/poc=%d",
811
                   hn->frame_num, hn->pic_order_cnt);
812
        }
813
        av_log(avctx, AV_LOG_DEBUG, "\n");
814
    }
815
    if (pic->type == PICTURE_TYPE_B) {
816
        av_log(avctx, AV_LOG_DEBUG, "Default RefPicList1 for fn=%d/poc=%d:",
817
               hp->frame_num, hp->pic_order_cnt);
818
        for (i = 0; i < n; i++) {
819
            hn = rpl1[i]->priv_data;
820
            av_log(avctx, AV_LOG_DEBUG, "  fn=%d/poc=%d",
821
                   hn->frame_num, hn->pic_order_cnt);
822
        }
823
        av_log(avctx, AV_LOG_DEBUG, "\n");
824
    }
825
826
    *rpl_size = n;
827
}
828
829
static int vaapi_encode_h264_init_slice_params(AVCodecContext *avctx,
830
                                               VAAPIEncodePicture *pic,
831
                                               VAAPIEncodeSlice *slice)
832
{
833
    VAAPIEncodeH264Context          *priv = avctx->priv_data;
834
    VAAPIEncodeH264Picture          *hpic = pic->priv_data;
835
    VAAPIEncodePicture              *prev = pic->prev;
836
    H264RawSPS                       *sps = &priv->raw_sps;
837
    H264RawPPS                       *pps = &priv->raw_pps;
838
    H264RawSliceHeader                *sh = &priv->raw_slice.header;
839
    VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params;
840
    VAEncSliceParameterBufferH264 *vslice = slice->codec_slice_params;
841
    int i, j;
842
843
    if (pic->type == PICTURE_TYPE_IDR) {
844
        sh->nal_unit_header.nal_unit_type = H264_NAL_IDR_SLICE;
845
        sh->nal_unit_header.nal_ref_idc   = 3;
846
    } else {
847
        sh->nal_unit_header.nal_unit_type = H264_NAL_SLICE;
848
        sh->nal_unit_header.nal_ref_idc   = pic->is_reference;
849
    }
850
851
    sh->first_mb_in_slice = slice->block_start;
852
    sh->slice_type        = hpic->slice_type;
853
854
    sh->pic_parameter_set_id = pps->pic_parameter_set_id;
855
856
    sh->frame_num = hpic->frame_num &
857
        ((1 << (4 + sps->log2_max_frame_num_minus4)) - 1);
858
    sh->idr_pic_id = hpic->idr_pic_id;
859
    sh->pic_order_cnt_lsb = hpic->pic_order_cnt &
860
        ((1 << (4 + sps->log2_max_pic_order_cnt_lsb_minus4)) - 1);
861
862
    sh->direct_spatial_mv_pred_flag = 1;
863
864
    if (pic->type == PICTURE_TYPE_B)
865
        sh->slice_qp_delta = priv->fixed_qp_b - (pps->pic_init_qp_minus26 + 26);
866
    else if (pic->type == PICTURE_TYPE_P)
867
        sh->slice_qp_delta = priv->fixed_qp_p - (pps->pic_init_qp_minus26 + 26);
868
    else
869
        sh->slice_qp_delta = priv->fixed_qp_idr - (pps->pic_init_qp_minus26 + 26);
870
871
    if (pic->is_reference && pic->type != PICTURE_TYPE_IDR) {
872
        VAAPIEncodePicture *discard_list[MAX_DPB_SIZE];
873
        int discard = 0, keep = 0;
874
875
        // Discard everything which is in the DPB of the previous frame but
876
        // not in the DPB of this one.
877
        for (i = 0; i < prev->nb_dpb_pics; i++) {
878
            for (j = 0; j < pic->nb_dpb_pics; j++) {
879
                if (prev->dpb[i] == pic->dpb[j])
880
                    break;
881
            }
882
            if (j == pic->nb_dpb_pics) {
883
                discard_list[discard] = prev->dpb[i];
884
                ++discard;
885
            } else {
886
                ++keep;
887
            }
888
        }
889
        av_assert0(keep <= priv->dpb_frames);
890
891
        if (discard == 0) {
892
            sh->adaptive_ref_pic_marking_mode_flag = 0;
893
        } else {
894
            sh->adaptive_ref_pic_marking_mode_flag = 1;
895
            for (i = 0; i < discard; i++) {
896
                VAAPIEncodeH264Picture *old = discard_list[i]->priv_data;
897
                av_assert0(old->frame_num < hpic->frame_num);
898
                sh->mmco[i].memory_management_control_operation = 1;
899
                sh->mmco[i].difference_of_pic_nums_minus1 =
900
                    hpic->frame_num - old->frame_num - 1;
901
            }
902
            sh->mmco[i].memory_management_control_operation = 0;
903
        }
904
    }
905
906
    // If the intended references are not the first entries of RefPicListN
907
    // by default, use ref-pic-list-modification to move them there.
908
    if (pic->type == PICTURE_TYPE_P || pic->type == PICTURE_TYPE_B) {
909
        VAAPIEncodePicture *def_l0[MAX_DPB_SIZE], *def_l1[MAX_DPB_SIZE];
910
        VAAPIEncodeH264Picture *href;
911
        int n;
912
913
        vaapi_encode_h264_default_ref_pic_list(avctx, pic,
914
                                               def_l0, def_l1, &n);
915
916
        if (pic->type == PICTURE_TYPE_P) {
917
            int need_rplm = 0;
918
            for (i = 0; i < pic->nb_refs; i++) {
919
                av_assert0(pic->refs[i]);
920
                if (pic->refs[i] != def_l0[i])
921
                    need_rplm = 1;
922
            }
923
924
            sh->ref_pic_list_modification_flag_l0 = need_rplm;
925
            if (need_rplm) {
926
                int pic_num = hpic->frame_num;
927
                for (i = 0; i < pic->nb_refs; i++) {
928
                    href = pic->refs[i]->priv_data;
929
                    av_assert0(href->frame_num != pic_num);
930
                    if (href->frame_num < pic_num) {
931
                        sh->rplm_l0[i].modification_of_pic_nums_idc = 0;
932
                        sh->rplm_l0[i].abs_diff_pic_num_minus1 =
933
                            pic_num - href->frame_num - 1;
934
                    } else {
935
                        sh->rplm_l0[i].modification_of_pic_nums_idc = 1;
936
                        sh->rplm_l0[i].abs_diff_pic_num_minus1 =
937
                            href->frame_num - pic_num - 1;
938
                    }
939
                    pic_num = href->frame_num;
940
                }
941
                sh->rplm_l0[i].modification_of_pic_nums_idc = 3;
942
            }
943
944
        } else {
945
            int need_rplm_l0 = 0, need_rplm_l1 = 0;
946
            int n0 = 0, n1 = 0;
947
            for (i = 0; i < pic->nb_refs; i++) {
948
                av_assert0(pic->refs[i]);
949
                href = pic->refs[i]->priv_data;
950
                av_assert0(href->pic_order_cnt != hpic->pic_order_cnt);
951
                if (href->pic_order_cnt < hpic->pic_order_cnt) {
952
                    if (pic->refs[i] != def_l0[n0])
953
                        need_rplm_l0 = 1;
954
                    ++n0;
955
                } else {
956
                    if (pic->refs[i] != def_l1[n1])
957
                        need_rplm_l1 = 1;
958
                    ++n1;
959
                }
960
            }
961
962
            sh->ref_pic_list_modification_flag_l0 = need_rplm_l0;
963
            if (need_rplm_l0) {
964
                int pic_num = hpic->frame_num;
965
                for (i = j = 0; i < pic->nb_refs; i++) {
966
                    href = pic->refs[i]->priv_data;
967
                    if (href->pic_order_cnt > hpic->pic_order_cnt)
968
                        continue;
969
                    av_assert0(href->frame_num != pic_num);
970
                    if (href->frame_num < pic_num) {
971
                        sh->rplm_l0[j].modification_of_pic_nums_idc = 0;
972
                        sh->rplm_l0[j].abs_diff_pic_num_minus1 =
973
                            pic_num - href->frame_num - 1;
974
                    } else {
975
                        sh->rplm_l0[j].modification_of_pic_nums_idc = 1;
976
                        sh->rplm_l0[j].abs_diff_pic_num_minus1 =
977
                            href->frame_num - pic_num - 1;
978
                    }
979
                    pic_num = href->frame_num;
980
                    ++j;
981
                }
982
                av_assert0(j == n0);
983
                sh->rplm_l0[j].modification_of_pic_nums_idc = 3;
984
            }
985
986
            sh->ref_pic_list_modification_flag_l1 = need_rplm_l1;
987
            if (need_rplm_l1) {
988
                int pic_num = hpic->frame_num;
989
                for (i = j = 0; i < pic->nb_refs; i++) {
990
                    href = pic->refs[i]->priv_data;
991
                    if (href->pic_order_cnt < hpic->pic_order_cnt)
992
                        continue;
993
                    av_assert0(href->frame_num != pic_num);
994
                    if (href->frame_num < pic_num) {
995
                        sh->rplm_l1[j].modification_of_pic_nums_idc = 0;
996
                        sh->rplm_l1[j].abs_diff_pic_num_minus1 =
997
                            pic_num - href->frame_num - 1;
998
                    } else {
999
                        sh->rplm_l1[j].modification_of_pic_nums_idc = 1;
1000
                        sh->rplm_l1[j].abs_diff_pic_num_minus1 =
1001
                            href->frame_num - pic_num - 1;
1002
                    }
1003
                    pic_num = href->frame_num;
1004
                    ++j;
1005
                }
1006
                av_assert0(j == n1);
1007
                sh->rplm_l1[j].modification_of_pic_nums_idc = 3;
1008
            }
1009
        }
1010
    }
1011
1012
    vslice->macroblock_address = slice->block_start;
1013
    vslice->num_macroblocks    = slice->block_size;
1014
1015
    vslice->macroblock_info = VA_INVALID_ID;
1016
1017
    vslice->slice_type           = sh->slice_type % 5;
1018
    vslice->pic_parameter_set_id = sh->pic_parameter_set_id;
1019
    vslice->idr_pic_id           = sh->idr_pic_id;
1020
1021
    vslice->pic_order_cnt_lsb = sh->pic_order_cnt_lsb;
1022
1023
    vslice->direct_spatial_mv_pred_flag = sh->direct_spatial_mv_pred_flag;
1024
1025
    for (i = 0; i < FF_ARRAY_ELEMS(vslice->RefPicList0); i++) {
1026
        vslice->RefPicList0[i].picture_id = VA_INVALID_ID;
1027
        vslice->RefPicList0[i].flags      = VA_PICTURE_H264_INVALID;
1028
        vslice->RefPicList1[i].picture_id = VA_INVALID_ID;
1029
        vslice->RefPicList1[i].flags      = VA_PICTURE_H264_INVALID;
1030
    }
1031
1032
    av_assert0(pic->nb_refs <= 2);
1033
    if (pic->nb_refs >= 1) {
1034
        // Backward reference for P- or B-frame.
1035
        av_assert0(pic->type == PICTURE_TYPE_P ||
1036
                   pic->type == PICTURE_TYPE_B);
1037
        vslice->RefPicList0[0] = vpic->ReferenceFrames[0];
1038
    }
1039
    if (pic->nb_refs >= 2) {
1040
        // Forward reference for B-frame.
1041
        av_assert0(pic->type == PICTURE_TYPE_B);
1042
        vslice->RefPicList1[0] = vpic->ReferenceFrames[1];
1043
    }
1044
1045
    vslice->slice_qp_delta = sh->slice_qp_delta;
1046
1047
    return 0;
1048
}
1049
1050
static av_cold int vaapi_encode_h264_configure(AVCodecContext *avctx)
1051
{
1052
    VAAPIEncodeContext      *ctx = avctx->priv_data;
1053
    VAAPIEncodeH264Context *priv = avctx->priv_data;
1054
    int err;
1055
1056
    err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_H264, avctx);
1057
    if (err < 0)
1058
        return err;
1059
1060
    priv->mb_width  = FFALIGN(avctx->width,  16) / 16;
1061
    priv->mb_height = FFALIGN(avctx->height, 16) / 16;
1062
1063
    if (ctx->va_rc_mode == VA_RC_CQP) {
1064
        priv->fixed_qp_p = av_clip(ctx->rc_quality, 1, 51);
1065
        if (avctx->i_quant_factor > 0.0)
1066
            priv->fixed_qp_idr =
1067
                av_clip((avctx->i_quant_factor * priv->fixed_qp_p +
1068
                         avctx->i_quant_offset) + 0.5, 1, 51);
1069
        else
1070
            priv->fixed_qp_idr = priv->fixed_qp_p;
1071
        if (avctx->b_quant_factor > 0.0)
1072
            priv->fixed_qp_b =
1073
                av_clip((avctx->b_quant_factor * priv->fixed_qp_p +
1074
                         avctx->b_quant_offset) + 0.5, 1, 51);
1075
        else
1076
            priv->fixed_qp_b = priv->fixed_qp_p;
1077
1078
        av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = "
1079
               "%d / %d / %d for IDR- / P- / B-frames.\n",
1080
               priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b);
1081
1082
    } else {
1083
        // These still need to be  set for pic_init_qp/slice_qp_delta.
1084
        priv->fixed_qp_idr = 26;
1085
        priv->fixed_qp_p   = 26;
1086
        priv->fixed_qp_b   = 26;
1087
    }
1088
1089
    if (!ctx->rc_mode->hrd) {
1090
        // Timing SEI requires a mode respecting HRD parameters.
1091
        priv->sei &= ~SEI_TIMING;
1092
    }
1093
1094
    if (priv->sei & SEI_IDENTIFIER) {
1095
        const char *lavc  = LIBAVCODEC_IDENT;
1096
        const char *vaapi = VA_VERSION_S;
1097
        const char *driver;
1098
        int len;
1099
1100
        memcpy(priv->sei_identifier.uuid_iso_iec_11578,
1101
               vaapi_encode_h264_sei_identifier_uuid,
1102
               sizeof(priv->sei_identifier.uuid_iso_iec_11578));
1103
1104
        driver = vaQueryVendorString(ctx->hwctx->display);
1105
        if (!driver)
1106
            driver = "unknown driver";
1107
1108
        len = snprintf(NULL, 0, "%s / VAAPI %s / %s", lavc, vaapi, driver);
1109
        if (len >= 0) {
1110
            priv->sei_identifier_string = av_malloc(len + 1);
1111
            if (!priv->sei_identifier_string)
1112
                return AVERROR(ENOMEM);
1113
1114
            snprintf(priv->sei_identifier_string, len + 1,
1115
                     "%s / VAAPI %s / %s", lavc, vaapi, driver);
1116
1117
            priv->sei_identifier.data        = priv->sei_identifier_string;
1118
            priv->sei_identifier.data_length = len + 1;
1119
        }
1120
    }
1121
1122
    ctx->roi_quant_range = 51 + 6 * (ctx->profile->depth - 8);
1123
1124
    return 0;
1125
}
1126
1127
static const VAAPIEncodeProfile vaapi_encode_h264_profiles[] = {
1128
    { FF_PROFILE_H264_HIGH, 8, 3, 1, 1, VAProfileH264High },
1129
    { FF_PROFILE_H264_MAIN, 8, 3, 1, 1, VAProfileH264Main },
1130
    { FF_PROFILE_H264_CONSTRAINED_BASELINE,
1131
                            8, 3, 1, 1, VAProfileH264ConstrainedBaseline },
1132
    { FF_PROFILE_UNKNOWN }
1133
};
1134
1135
static const VAAPIEncodeType vaapi_encode_type_h264 = {
1136
    .profiles              = vaapi_encode_h264_profiles,
1137
1138
    .flags                 = FLAG_SLICE_CONTROL |
1139
                             FLAG_B_PICTURES |
1140
                             FLAG_B_PICTURE_REFERENCES |
1141
                             FLAG_NON_IDR_KEY_PICTURES,
1142
1143
    .default_quality       = 20,
1144
1145
    .configure             = &vaapi_encode_h264_configure,
1146
1147
    .picture_priv_data_size = sizeof(VAAPIEncodeH264Picture),
1148
1149
    .sequence_params_size  = sizeof(VAEncSequenceParameterBufferH264),
1150
    .init_sequence_params  = &vaapi_encode_h264_init_sequence_params,
1151
1152
    .picture_params_size   = sizeof(VAEncPictureParameterBufferH264),
1153
    .init_picture_params   = &vaapi_encode_h264_init_picture_params,
1154
1155
    .slice_params_size     = sizeof(VAEncSliceParameterBufferH264),
1156
    .init_slice_params     = &vaapi_encode_h264_init_slice_params,
1157
1158
    .sequence_header_type  = VAEncPackedHeaderSequence,
1159
    .write_sequence_header = &vaapi_encode_h264_write_sequence_header,
1160
1161
    .slice_header_type     = VAEncPackedHeaderH264_Slice,
1162
    .write_slice_header    = &vaapi_encode_h264_write_slice_header,
1163
1164
    .write_extra_header    = &vaapi_encode_h264_write_extra_header,
1165
};
1166
1167
static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx)
1168
{
1169
    VAAPIEncodeContext      *ctx = avctx->priv_data;
1170
    VAAPIEncodeH264Context *priv = avctx->priv_data;
1171
1172
    ctx->codec = &vaapi_encode_type_h264;
1173
1174
    if (avctx->profile == FF_PROFILE_UNKNOWN)
1175
        avctx->profile = priv->profile;
1176
    if (avctx->level == FF_LEVEL_UNKNOWN)
1177
        avctx->level = priv->level;
1178
    if (avctx->compression_level == FF_COMPRESSION_DEFAULT)
1179
        avctx->compression_level = priv->quality;
1180
1181
    // Reject unsupported profiles.
1182
    switch (avctx->profile) {
1183
    case FF_PROFILE_H264_BASELINE:
1184
        av_log(avctx, AV_LOG_WARNING, "H.264 baseline profile is not "
1185
               "supported, using constrained baseline profile instead.\n");
1186
        avctx->profile = FF_PROFILE_H264_CONSTRAINED_BASELINE;
1187
        break;
1188
    case FF_PROFILE_H264_EXTENDED:
1189
        av_log(avctx, AV_LOG_ERROR, "H.264 extended profile "
1190
               "is not supported.\n");
1191
        return AVERROR_PATCHWELCOME;
1192
    case FF_PROFILE_H264_HIGH_10:
1193
    case FF_PROFILE_H264_HIGH_10_INTRA:
1194
        av_log(avctx, AV_LOG_ERROR, "H.264 10-bit profiles "
1195
               "are not supported.\n");
1196
        return AVERROR_PATCHWELCOME;
1197
    case FF_PROFILE_H264_HIGH_422:
1198
    case FF_PROFILE_H264_HIGH_422_INTRA:
1199
    case FF_PROFILE_H264_HIGH_444:
1200
    case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
1201
    case FF_PROFILE_H264_HIGH_444_INTRA:
1202
    case FF_PROFILE_H264_CAVLC_444:
1203
        av_log(avctx, AV_LOG_ERROR, "H.264 non-4:2:0 profiles "
1204
               "are not supported.\n");
1205
        return AVERROR_PATCHWELCOME;
1206
    }
1207
1208
    if (avctx->level != FF_LEVEL_UNKNOWN && avctx->level & ~0xff) {
1209
        av_log(avctx, AV_LOG_ERROR, "Invalid level %d: must fit "
1210
               "in 8-bit unsigned integer.\n", avctx->level);
1211
        return AVERROR(EINVAL);
1212
    }
1213
1214
    ctx->desired_packed_headers =
1215
        VA_ENC_PACKED_HEADER_SEQUENCE | // SPS and PPS.
1216
        VA_ENC_PACKED_HEADER_SLICE    | // Slice headers.
1217
        VA_ENC_PACKED_HEADER_MISC;      // SEI.
1218
1219
    ctx->surface_width  = FFALIGN(avctx->width,  16);
1220
    ctx->surface_height = FFALIGN(avctx->height, 16);
1221
1222
    ctx->slice_block_height = ctx->slice_block_width = 16;
1223
1224
    if (priv->qp > 0)
1225
        ctx->explicit_qp = priv->qp;
1226
1227
    return ff_vaapi_encode_init(avctx);
1228
}
1229
1230
static av_cold int vaapi_encode_h264_close(AVCodecContext *avctx)
1231
{
1232
    VAAPIEncodeH264Context *priv = avctx->priv_data;
1233
1234
    ff_cbs_fragment_free(&priv->current_access_unit);
1235
    ff_cbs_close(&priv->cbc);
1236
    av_freep(&priv->sei_identifier_string);
1237
1238
    return ff_vaapi_encode_close(avctx);
1239
}
1240
1241
#define OFFSET(x) offsetof(VAAPIEncodeH264Context, x)
1242
#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
1243
static const AVOption vaapi_encode_h264_options[] = {
1244
    VAAPI_ENCODE_COMMON_OPTIONS,
1245
    VAAPI_ENCODE_RC_OPTIONS,
1246
1247
    { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)",
1248
      OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 52, FLAGS },
1249
    { "quality", "Set encode quality (trades off against speed, higher is faster)",
1250
      OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS },
1251
    { "coder", "Entropy coder type",
1252
      OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, FLAGS, "coder" },
1253
        { "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1254
        { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1255
        { "vlc",   NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1256
        { "ac",    NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, FLAGS, "coder" },
1257
1258
    { "aud", "Include AUD",
1259
      OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
1260
1261
    { "sei", "Set SEI to include",
1262
      OFFSET(sei), AV_OPT_TYPE_FLAGS,
1263
      { .i64 = SEI_IDENTIFIER | SEI_TIMING | SEI_RECOVERY_POINT },
1264
      0, INT_MAX, FLAGS, "sei" },
1265
    { "identifier", "Include encoder version identifier",
1266
      0, AV_OPT_TYPE_CONST, { .i64 = SEI_IDENTIFIER },
1267
      INT_MIN, INT_MAX, FLAGS, "sei" },
1268
    { "timing", "Include timing parameters (buffering_period and pic_timing)",
1269
      0, AV_OPT_TYPE_CONST, { .i64 = SEI_TIMING },
1270
      INT_MIN, INT_MAX, FLAGS, "sei" },
1271
    { "recovery_point", "Include recovery points where appropriate",
1272
      0, AV_OPT_TYPE_CONST, { .i64 = SEI_RECOVERY_POINT },
1273
      INT_MIN, INT_MAX, FLAGS, "sei" },
1274
1275
    { "profile", "Set profile (profile_idc and constraint_set*_flag)",
1276
      OFFSET(profile), AV_OPT_TYPE_INT,
1277
      { .i64 = FF_PROFILE_UNKNOWN }, FF_PROFILE_UNKNOWN, 0xffff, FLAGS, "profile" },
1278
1279
#define PROFILE(name, value)  name, NULL, 0, AV_OPT_TYPE_CONST, \
1280
      { .i64 = value }, 0, 0, FLAGS, "profile"
1281
    { PROFILE("constrained_baseline", FF_PROFILE_H264_CONSTRAINED_BASELINE) },
1282
    { PROFILE("main",                 FF_PROFILE_H264_MAIN) },
1283
    { PROFILE("high",                 FF_PROFILE_H264_HIGH) },
1284
#undef PROFILE
1285
1286
    { "level", "Set level (level_idc)",
1287
      OFFSET(level), AV_OPT_TYPE_INT,
1288
      { .i64 = FF_LEVEL_UNKNOWN }, FF_LEVEL_UNKNOWN, 0xff, FLAGS, "level" },
1289
1290
#define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
1291
      { .i64 = value }, 0, 0, FLAGS, "level"
1292
    { LEVEL("1",   10) },
1293
    { LEVEL("1.1", 11) },
1294
    { LEVEL("1.2", 12) },
1295
    { LEVEL("1.3", 13) },
1296
    { LEVEL("2",   20) },
1297
    { LEVEL("2.1", 21) },
1298
    { LEVEL("2.2", 22) },
1299
    { LEVEL("3",   30) },
1300
    { LEVEL("3.1", 31) },
1301
    { LEVEL("3.2", 32) },
1302
    { LEVEL("4",   40) },
1303
    { LEVEL("4.1", 41) },
1304
    { LEVEL("4.2", 42) },
1305
    { LEVEL("5",   50) },
1306
    { LEVEL("5.1", 51) },
1307
    { LEVEL("5.2", 52) },
1308
    { LEVEL("6",   60) },
1309
    { LEVEL("6.1", 61) },
1310
    { LEVEL("6.2", 62) },
1311
#undef LEVEL
1312
1313
    { NULL },
1314
};
1315
1316
static const AVCodecDefault vaapi_encode_h264_defaults[] = {
1317
    { "b",              "0"   },
1318
    { "bf",             "2"   },
1319
    { "g",              "120" },
1320
    { "i_qfactor",      "1"   },
1321
    { "i_qoffset",      "0"   },
1322
    { "b_qfactor",      "6/5" },
1323
    { "b_qoffset",      "0"   },
1324
    { "qmin",           "-1"  },
1325
    { "qmax",           "-1"  },
1326
    { NULL },
1327
};
1328
1329
static const AVClass vaapi_encode_h264_class = {
1330
    .class_name = "h264_vaapi",
1331
    .item_name  = av_default_item_name,
1332
    .option     = vaapi_encode_h264_options,
1333
    .version    = LIBAVUTIL_VERSION_INT,
1334
};
1335
1336
AVCodec ff_h264_vaapi_encoder = {
1337
    .name           = "h264_vaapi",
1338
    .long_name      = NULL_IF_CONFIG_SMALL("H.264/AVC (VAAPI)"),
1339
    .type           = AVMEDIA_TYPE_VIDEO,
1340
    .id             = AV_CODEC_ID_H264,
1341
    .priv_data_size = sizeof(VAAPIEncodeH264Context),
1342
    .init           = &vaapi_encode_h264_init,
1343
    .receive_packet = &ff_vaapi_encode_receive_packet,
1344
    .close          = &vaapi_encode_h264_close,
1345
    .priv_class     = &vaapi_encode_h264_class,
1346
    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
1347
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
1348
    .defaults       = vaapi_encode_h264_defaults,
1349
    .pix_fmts = (const enum AVPixelFormat[]) {
1350
        AV_PIX_FMT_VAAPI,
1351
        AV_PIX_FMT_NONE,
1352
    },
1353
    .hw_configs     = ff_vaapi_encode_hw_configs,
1354
    .wrapper_name   = "vaapi",
1355
};