FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/vaapi_encode.c
Date: 2021-09-23 20:34:37
Exec Total Coverage
Lines: 0 1315 0.0%
Branches: 0 830 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 <inttypes.h>
20 #include <string.h>
21
22 #include "libavutil/avassert.h"
23 #include "libavutil/common.h"
24 #include "libavutil/internal.h"
25 #include "libavutil/log.h"
26 #include "libavutil/pixdesc.h"
27
28 #include "vaapi_encode.h"
29 #include "encode.h"
30 #include "avcodec.h"
31
32 const AVCodecHWConfigInternal *const ff_vaapi_encode_hw_configs[] = {
33 HW_CONFIG_ENCODER_FRAMES(VAAPI, VAAPI),
34 NULL,
35 };
36
37 static const char * const picture_type_name[] = { "IDR", "I", "P", "B" };
38
39 static int vaapi_encode_make_packed_header(AVCodecContext *avctx,
40 VAAPIEncodePicture *pic,
41 int type, char *data, size_t bit_len)
42 {
43 VAAPIEncodeContext *ctx = avctx->priv_data;
44 VAStatus vas;
45 VABufferID param_buffer, data_buffer;
46 VABufferID *tmp;
47 VAEncPackedHeaderParameterBuffer params = {
48 .type = type,
49 .bit_length = bit_len,
50 .has_emulation_bytes = 1,
51 };
52
53 tmp = av_realloc_array(pic->param_buffers, sizeof(*tmp), pic->nb_param_buffers + 2);
54 if (!tmp)
55 return AVERROR(ENOMEM);
56 pic->param_buffers = tmp;
57
58 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
59 VAEncPackedHeaderParameterBufferType,
60 sizeof(params), 1, &params, &param_buffer);
61 if (vas != VA_STATUS_SUCCESS) {
62 av_log(avctx, AV_LOG_ERROR, "Failed to create parameter buffer "
63 "for packed header (type %d): %d (%s).\n",
64 type, vas, vaErrorStr(vas));
65 return AVERROR(EIO);
66 }
67 pic->param_buffers[pic->nb_param_buffers++] = param_buffer;
68
69 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
70 VAEncPackedHeaderDataBufferType,
71 (bit_len + 7) / 8, 1, data, &data_buffer);
72 if (vas != VA_STATUS_SUCCESS) {
73 av_log(avctx, AV_LOG_ERROR, "Failed to create data buffer "
74 "for packed header (type %d): %d (%s).\n",
75 type, vas, vaErrorStr(vas));
76 return AVERROR(EIO);
77 }
78 pic->param_buffers[pic->nb_param_buffers++] = data_buffer;
79
80 av_log(avctx, AV_LOG_DEBUG, "Packed header buffer (%d) is %#x/%#x "
81 "(%zu bits).\n", type, param_buffer, data_buffer, bit_len);
82 return 0;
83 }
84
85 static int vaapi_encode_make_param_buffer(AVCodecContext *avctx,
86 VAAPIEncodePicture *pic,
87 int type, char *data, size_t len)
88 {
89 VAAPIEncodeContext *ctx = avctx->priv_data;
90 VAStatus vas;
91 VABufferID *tmp;
92 VABufferID buffer;
93
94 tmp = av_realloc_array(pic->param_buffers, sizeof(*tmp), pic->nb_param_buffers + 1);
95 if (!tmp)
96 return AVERROR(ENOMEM);
97 pic->param_buffers = tmp;
98
99 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
100 type, len, 1, data, &buffer);
101 if (vas != VA_STATUS_SUCCESS) {
102 av_log(avctx, AV_LOG_ERROR, "Failed to create parameter buffer "
103 "(type %d): %d (%s).\n", type, vas, vaErrorStr(vas));
104 return AVERROR(EIO);
105 }
106 pic->param_buffers[pic->nb_param_buffers++] = buffer;
107
108 av_log(avctx, AV_LOG_DEBUG, "Param buffer (%d) is %#x.\n",
109 type, buffer);
110 return 0;
111 }
112
113 static int vaapi_encode_make_misc_param_buffer(AVCodecContext *avctx,
114 VAAPIEncodePicture *pic,
115 int type,
116 const void *data, size_t len)
117 {
118 // Construct the buffer on the stack - 1KB is much larger than any
119 // current misc parameter buffer type (the largest is EncQuality at
120 // 224 bytes).
121 uint8_t buffer[1024];
122 VAEncMiscParameterBuffer header = {
123 .type = type,
124 };
125 size_t buffer_size = sizeof(header) + len;
126 av_assert0(buffer_size <= sizeof(buffer));
127
128 memcpy(buffer, &header, sizeof(header));
129 memcpy(buffer + sizeof(header), data, len);
130
131 return vaapi_encode_make_param_buffer(avctx, pic,
132 VAEncMiscParameterBufferType,
133 buffer, buffer_size);
134 }
135
136 static int vaapi_encode_wait(AVCodecContext *avctx,
137 VAAPIEncodePicture *pic)
138 {
139 VAAPIEncodeContext *ctx = avctx->priv_data;
140 VAStatus vas;
141
142 av_assert0(pic->encode_issued);
143
144 if (pic->encode_complete) {
145 // Already waited for this picture.
146 return 0;
147 }
148
149 av_log(avctx, AV_LOG_DEBUG, "Sync to pic %"PRId64"/%"PRId64" "
150 "(input surface %#x).\n", pic->display_order,
151 pic->encode_order, pic->input_surface);
152
153 vas = vaSyncSurface(ctx->hwctx->display, pic->input_surface);
154 if (vas != VA_STATUS_SUCCESS) {
155 av_log(avctx, AV_LOG_ERROR, "Failed to sync to picture completion: "
156 "%d (%s).\n", vas, vaErrorStr(vas));
157 return AVERROR(EIO);
158 }
159
160 // Input is definitely finished with now.
161 av_frame_free(&pic->input_image);
162
163 pic->encode_complete = 1;
164 return 0;
165 }
166
167 static int vaapi_encode_make_row_slice(AVCodecContext *avctx,
168 VAAPIEncodePicture *pic)
169 {
170 VAAPIEncodeContext *ctx = avctx->priv_data;
171 VAAPIEncodeSlice *slice;
172 int i, rounding;
173
174 for (i = 0; i < pic->nb_slices; i++)
175 pic->slices[i].row_size = ctx->slice_size;
176
177 rounding = ctx->slice_block_rows - ctx->nb_slices * ctx->slice_size;
178 if (rounding > 0) {
179 // Place rounding error at top and bottom of frame.
180 av_assert0(rounding < pic->nb_slices);
181 // Some Intel drivers contain a bug where the encoder will fail
182 // if the last slice is smaller than the one before it. Since
183 // that's straightforward to avoid here, just do so.
184 if (rounding <= 2) {
185 for (i = 0; i < rounding; i++)
186 ++pic->slices[i].row_size;
187 } else {
188 for (i = 0; i < (rounding + 1) / 2; i++)
189 ++pic->slices[pic->nb_slices - i - 1].row_size;
190 for (i = 0; i < rounding / 2; i++)
191 ++pic->slices[i].row_size;
192 }
193 } else if (rounding < 0) {
194 // Remove rounding error from last slice only.
195 av_assert0(rounding < ctx->slice_size);
196 pic->slices[pic->nb_slices - 1].row_size += rounding;
197 }
198
199 for (i = 0; i < pic->nb_slices; i++) {
200 slice = &pic->slices[i];
201 slice->index = i;
202 if (i == 0) {
203 slice->row_start = 0;
204 slice->block_start = 0;
205 } else {
206 const VAAPIEncodeSlice *prev = &pic->slices[i - 1];
207 slice->row_start = prev->row_start + prev->row_size;
208 slice->block_start = prev->block_start + prev->block_size;
209 }
210 slice->block_size = slice->row_size * ctx->slice_block_cols;
211
212 av_log(avctx, AV_LOG_DEBUG, "Slice %d: %d-%d (%d rows), "
213 "%d-%d (%d blocks).\n", i, slice->row_start,
214 slice->row_start + slice->row_size - 1, slice->row_size,
215 slice->block_start, slice->block_start + slice->block_size - 1,
216 slice->block_size);
217 }
218
219 return 0;
220 }
221
222 static int vaapi_encode_make_tile_slice(AVCodecContext *avctx,
223 VAAPIEncodePicture *pic)
224 {
225 VAAPIEncodeContext *ctx = avctx->priv_data;
226 VAAPIEncodeSlice *slice;
227 int i, j, index;
228
229 for (i = 0; i < ctx->tile_cols; i++) {
230 for (j = 0; j < ctx->tile_rows; j++) {
231 index = j * ctx->tile_cols + i;
232 slice = &pic->slices[index];
233 slice->index = index;
234
235 pic->slices[index].block_start = ctx->col_bd[i] +
236 ctx->row_bd[j] * ctx->slice_block_cols;
237 pic->slices[index].block_size = ctx->row_height[j] * ctx->col_width[i];
238
239 av_log(avctx, AV_LOG_DEBUG, "Slice %2d: (%2d, %2d) start at: %4d "
240 "width:%2d height:%2d (%d blocks).\n", index, ctx->col_bd[i],
241 ctx->row_bd[j], slice->block_start, ctx->col_width[i],
242 ctx->row_height[j], slice->block_size);
243 }
244 }
245
246 return 0;
247 }
248
249 static int vaapi_encode_issue(AVCodecContext *avctx,
250 VAAPIEncodePicture *pic)
251 {
252 VAAPIEncodeContext *ctx = avctx->priv_data;
253 VAAPIEncodeSlice *slice;
254 VAStatus vas;
255 int err, i;
256 char data[MAX_PARAM_BUFFER_SIZE];
257 size_t bit_len;
258 av_unused AVFrameSideData *sd;
259
260 av_log(avctx, AV_LOG_DEBUG, "Issuing encode for pic %"PRId64"/%"PRId64" "
261 "as type %s.\n", pic->display_order, pic->encode_order,
262 picture_type_name[pic->type]);
263 if (pic->nb_refs == 0) {
264 av_log(avctx, AV_LOG_DEBUG, "No reference pictures.\n");
265 } else {
266 av_log(avctx, AV_LOG_DEBUG, "Refers to:");
267 for (i = 0; i < pic->nb_refs; i++) {
268 av_log(avctx, AV_LOG_DEBUG, " %"PRId64"/%"PRId64,
269 pic->refs[i]->display_order, pic->refs[i]->encode_order);
270 }
271 av_log(avctx, AV_LOG_DEBUG, ".\n");
272 }
273
274 av_assert0(!pic->encode_issued);
275 for (i = 0; i < pic->nb_refs; i++) {
276 av_assert0(pic->refs[i]);
277 av_assert0(pic->refs[i]->encode_issued);
278 }
279
280 av_log(avctx, AV_LOG_DEBUG, "Input surface is %#x.\n", pic->input_surface);
281
282 pic->recon_image = av_frame_alloc();
283 if (!pic->recon_image) {
284 err = AVERROR(ENOMEM);
285 goto fail;
286 }
287
288 err = av_hwframe_get_buffer(ctx->recon_frames_ref, pic->recon_image, 0);
289 if (err < 0) {
290 err = AVERROR(ENOMEM);
291 goto fail;
292 }
293 pic->recon_surface = (VASurfaceID)(uintptr_t)pic->recon_image->data[3];
294 av_log(avctx, AV_LOG_DEBUG, "Recon surface is %#x.\n", pic->recon_surface);
295
296 pic->output_buffer_ref = av_buffer_pool_get(ctx->output_buffer_pool);
297 if (!pic->output_buffer_ref) {
298 err = AVERROR(ENOMEM);
299 goto fail;
300 }
301 pic->output_buffer = (VABufferID)(uintptr_t)pic->output_buffer_ref->data;
302 av_log(avctx, AV_LOG_DEBUG, "Output buffer is %#x.\n",
303 pic->output_buffer);
304
305 if (ctx->codec->picture_params_size > 0) {
306 pic->codec_picture_params = av_malloc(ctx->codec->picture_params_size);
307 if (!pic->codec_picture_params)
308 goto fail;
309 memcpy(pic->codec_picture_params, ctx->codec_picture_params,
310 ctx->codec->picture_params_size);
311 } else {
312 av_assert0(!ctx->codec_picture_params);
313 }
314
315 pic->nb_param_buffers = 0;
316
317 if (pic->type == PICTURE_TYPE_IDR && ctx->codec->init_sequence_params) {
318 err = vaapi_encode_make_param_buffer(avctx, pic,
319 VAEncSequenceParameterBufferType,
320 ctx->codec_sequence_params,
321 ctx->codec->sequence_params_size);
322 if (err < 0)
323 goto fail;
324 }
325
326 if (pic->type == PICTURE_TYPE_IDR) {
327 for (i = 0; i < ctx->nb_global_params; i++) {
328 err = vaapi_encode_make_misc_param_buffer(avctx, pic,
329 ctx->global_params_type[i],
330 ctx->global_params[i],
331 ctx->global_params_size[i]);
332 if (err < 0)
333 goto fail;
334 }
335 }
336
337 if (ctx->codec->init_picture_params) {
338 err = ctx->codec->init_picture_params(avctx, pic);
339 if (err < 0) {
340 av_log(avctx, AV_LOG_ERROR, "Failed to initialise picture "
341 "parameters: %d.\n", err);
342 goto fail;
343 }
344 err = vaapi_encode_make_param_buffer(avctx, pic,
345 VAEncPictureParameterBufferType,
346 pic->codec_picture_params,
347 ctx->codec->picture_params_size);
348 if (err < 0)
349 goto fail;
350 }
351
352 if (pic->type == PICTURE_TYPE_IDR) {
353 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE &&
354 ctx->codec->write_sequence_header) {
355 bit_len = 8 * sizeof(data);
356 err = ctx->codec->write_sequence_header(avctx, data, &bit_len);
357 if (err < 0) {
358 av_log(avctx, AV_LOG_ERROR, "Failed to write per-sequence "
359 "header: %d.\n", err);
360 goto fail;
361 }
362 err = vaapi_encode_make_packed_header(avctx, pic,
363 ctx->codec->sequence_header_type,
364 data, bit_len);
365 if (err < 0)
366 goto fail;
367 }
368 }
369
370 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_PICTURE &&
371 ctx->codec->write_picture_header) {
372 bit_len = 8 * sizeof(data);
373 err = ctx->codec->write_picture_header(avctx, pic, data, &bit_len);
374 if (err < 0) {
375 av_log(avctx, AV_LOG_ERROR, "Failed to write per-picture "
376 "header: %d.\n", err);
377 goto fail;
378 }
379 err = vaapi_encode_make_packed_header(avctx, pic,
380 ctx->codec->picture_header_type,
381 data, bit_len);
382 if (err < 0)
383 goto fail;
384 }
385
386 if (ctx->codec->write_extra_buffer) {
387 for (i = 0;; i++) {
388 size_t len = sizeof(data);
389 int type;
390 err = ctx->codec->write_extra_buffer(avctx, pic, i, &type,
391 data, &len);
392 if (err == AVERROR_EOF)
393 break;
394 if (err < 0) {
395 av_log(avctx, AV_LOG_ERROR, "Failed to write extra "
396 "buffer %d: %d.\n", i, err);
397 goto fail;
398 }
399
400 err = vaapi_encode_make_param_buffer(avctx, pic, type,
401 data, len);
402 if (err < 0)
403 goto fail;
404 }
405 }
406
407 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_MISC &&
408 ctx->codec->write_extra_header) {
409 for (i = 0;; i++) {
410 int type;
411 bit_len = 8 * sizeof(data);
412 err = ctx->codec->write_extra_header(avctx, pic, i, &type,
413 data, &bit_len);
414 if (err == AVERROR_EOF)
415 break;
416 if (err < 0) {
417 av_log(avctx, AV_LOG_ERROR, "Failed to write extra "
418 "header %d: %d.\n", i, err);
419 goto fail;
420 }
421
422 err = vaapi_encode_make_packed_header(avctx, pic, type,
423 data, bit_len);
424 if (err < 0)
425 goto fail;
426 }
427 }
428
429 if (pic->nb_slices == 0)
430 pic->nb_slices = ctx->nb_slices;
431 if (pic->nb_slices > 0) {
432 pic->slices = av_calloc(pic->nb_slices, sizeof(*pic->slices));
433 if (!pic->slices) {
434 err = AVERROR(ENOMEM);
435 goto fail;
436 }
437
438 if (ctx->tile_rows && ctx->tile_cols)
439 vaapi_encode_make_tile_slice(avctx, pic);
440 else
441 vaapi_encode_make_row_slice(avctx, pic);
442 }
443
444 for (i = 0; i < pic->nb_slices; i++) {
445 slice = &pic->slices[i];
446
447 if (ctx->codec->slice_params_size > 0) {
448 slice->codec_slice_params = av_mallocz(ctx->codec->slice_params_size);
449 if (!slice->codec_slice_params) {
450 err = AVERROR(ENOMEM);
451 goto fail;
452 }
453 }
454
455 if (ctx->codec->init_slice_params) {
456 err = ctx->codec->init_slice_params(avctx, pic, slice);
457 if (err < 0) {
458 av_log(avctx, AV_LOG_ERROR, "Failed to initialise slice "
459 "parameters: %d.\n", err);
460 goto fail;
461 }
462 }
463
464 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SLICE &&
465 ctx->codec->write_slice_header) {
466 bit_len = 8 * sizeof(data);
467 err = ctx->codec->write_slice_header(avctx, pic, slice,
468 data, &bit_len);
469 if (err < 0) {
470 av_log(avctx, AV_LOG_ERROR, "Failed to write per-slice "
471 "header: %d.\n", err);
472 goto fail;
473 }
474 err = vaapi_encode_make_packed_header(avctx, pic,
475 ctx->codec->slice_header_type,
476 data, bit_len);
477 if (err < 0)
478 goto fail;
479 }
480
481 if (ctx->codec->init_slice_params) {
482 err = vaapi_encode_make_param_buffer(avctx, pic,
483 VAEncSliceParameterBufferType,
484 slice->codec_slice_params,
485 ctx->codec->slice_params_size);
486 if (err < 0)
487 goto fail;
488 }
489 }
490
491 #if VA_CHECK_VERSION(1, 0, 0)
492 sd = av_frame_get_side_data(pic->input_image,
493 AV_FRAME_DATA_REGIONS_OF_INTEREST);
494 if (sd && ctx->roi_allowed) {
495 const AVRegionOfInterest *roi;
496 uint32_t roi_size;
497 VAEncMiscParameterBufferROI param_roi;
498 int nb_roi, i, v;
499
500 roi = (const AVRegionOfInterest*)sd->data;
501 roi_size = roi->self_size;
502 av_assert0(roi_size && sd->size % roi_size == 0);
503 nb_roi = sd->size / roi_size;
504 if (nb_roi > ctx->roi_max_regions) {
505 if (!ctx->roi_warned) {
506 av_log(avctx, AV_LOG_WARNING, "More ROIs set than "
507 "supported by driver (%d > %d).\n",
508 nb_roi, ctx->roi_max_regions);
509 ctx->roi_warned = 1;
510 }
511 nb_roi = ctx->roi_max_regions;
512 }
513
514 pic->roi = av_calloc(nb_roi, sizeof(*pic->roi));
515 if (!pic->roi) {
516 err = AVERROR(ENOMEM);
517 goto fail;
518 }
519 // For overlapping regions, the first in the array takes priority.
520 for (i = 0; i < nb_roi; i++) {
521 roi = (const AVRegionOfInterest*)(sd->data + roi_size * i);
522
523 av_assert0(roi->qoffset.den != 0);
524 v = roi->qoffset.num * ctx->roi_quant_range / roi->qoffset.den;
525 av_log(avctx, AV_LOG_DEBUG, "ROI: (%d,%d)-(%d,%d) -> %+d.\n",
526 roi->top, roi->left, roi->bottom, roi->right, v);
527
528 pic->roi[i] = (VAEncROI) {
529 .roi_rectangle = {
530 .x = roi->left,
531 .y = roi->top,
532 .width = roi->right - roi->left,
533 .height = roi->bottom - roi->top,
534 },
535 .roi_value = av_clip_int8(v),
536 };
537 }
538
539 param_roi = (VAEncMiscParameterBufferROI) {
540 .num_roi = nb_roi,
541 .max_delta_qp = INT8_MAX,
542 .min_delta_qp = INT8_MIN,
543 .roi = pic->roi,
544 .roi_flags.bits.roi_value_is_qp_delta = 1,
545 };
546
547 err = vaapi_encode_make_misc_param_buffer(avctx, pic,
548 VAEncMiscParameterTypeROI,
549 &param_roi,
550 sizeof(param_roi));
551 if (err < 0)
552 goto fail;
553 }
554 #endif
555
556 vas = vaBeginPicture(ctx->hwctx->display, ctx->va_context,
557 pic->input_surface);
558 if (vas != VA_STATUS_SUCCESS) {
559 av_log(avctx, AV_LOG_ERROR, "Failed to begin picture encode issue: "
560 "%d (%s).\n", vas, vaErrorStr(vas));
561 err = AVERROR(EIO);
562 goto fail_with_picture;
563 }
564
565 vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
566 pic->param_buffers, pic->nb_param_buffers);
567 if (vas != VA_STATUS_SUCCESS) {
568 av_log(avctx, AV_LOG_ERROR, "Failed to upload encode parameters: "
569 "%d (%s).\n", vas, vaErrorStr(vas));
570 err = AVERROR(EIO);
571 goto fail_with_picture;
572 }
573
574 vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
575 if (vas != VA_STATUS_SUCCESS) {
576 av_log(avctx, AV_LOG_ERROR, "Failed to end picture encode issue: "
577 "%d (%s).\n", vas, vaErrorStr(vas));
578 err = AVERROR(EIO);
579 // vaRenderPicture() has been called here, so we should not destroy
580 // the parameter buffers unless separate destruction is required.
581 if (CONFIG_VAAPI_1 || ctx->hwctx->driver_quirks &
582 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS)
583 goto fail;
584 else
585 goto fail_at_end;
586 }
587
588 if (CONFIG_VAAPI_1 || ctx->hwctx->driver_quirks &
589 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS) {
590 for (i = 0; i < pic->nb_param_buffers; i++) {
591 vas = vaDestroyBuffer(ctx->hwctx->display,
592 pic->param_buffers[i]);
593 if (vas != VA_STATUS_SUCCESS) {
594 av_log(avctx, AV_LOG_ERROR, "Failed to destroy "
595 "param buffer %#x: %d (%s).\n",
596 pic->param_buffers[i], vas, vaErrorStr(vas));
597 // And ignore.
598 }
599 }
600 }
601
602 pic->encode_issued = 1;
603
604 return 0;
605
606 fail_with_picture:
607 vaEndPicture(ctx->hwctx->display, ctx->va_context);
608 fail:
609 for(i = 0; i < pic->nb_param_buffers; i++)
610 vaDestroyBuffer(ctx->hwctx->display, pic->param_buffers[i]);
611 if (pic->slices) {
612 for (i = 0; i < pic->nb_slices; i++)
613 av_freep(&pic->slices[i].codec_slice_params);
614 }
615 fail_at_end:
616 av_freep(&pic->codec_picture_params);
617 av_freep(&pic->param_buffers);
618 av_freep(&pic->slices);
619 av_freep(&pic->roi);
620 av_frame_free(&pic->recon_image);
621 av_buffer_unref(&pic->output_buffer_ref);
622 pic->output_buffer = VA_INVALID_ID;
623 return err;
624 }
625
626 static int vaapi_encode_output(AVCodecContext *avctx,
627 VAAPIEncodePicture *pic, AVPacket *pkt)
628 {
629 VAAPIEncodeContext *ctx = avctx->priv_data;
630 VACodedBufferSegment *buf_list, *buf;
631 VAStatus vas;
632 int total_size = 0;
633 uint8_t *ptr;
634 int err;
635
636 err = vaapi_encode_wait(avctx, pic);
637 if (err < 0)
638 return err;
639
640 buf_list = NULL;
641 vas = vaMapBuffer(ctx->hwctx->display, pic->output_buffer,
642 (void**)&buf_list);
643 if (vas != VA_STATUS_SUCCESS) {
644 av_log(avctx, AV_LOG_ERROR, "Failed to map output buffers: "
645 "%d (%s).\n", vas, vaErrorStr(vas));
646 err = AVERROR(EIO);
647 goto fail;
648 }
649
650 for (buf = buf_list; buf; buf = buf->next)
651 total_size += buf->size;
652
653 err = ff_get_encode_buffer(avctx, pkt, total_size, 0);
654 ptr = pkt->data;
655
656 if (err < 0)
657 goto fail_mapped;
658
659 for (buf = buf_list; buf; buf = buf->next) {
660 av_log(avctx, AV_LOG_DEBUG, "Output buffer: %u bytes "
661 "(status %08x).\n", buf->size, buf->status);
662
663 memcpy(ptr, buf->buf, buf->size);
664 ptr += buf->size;
665 }
666
667 if (pic->type == PICTURE_TYPE_IDR)
668 pkt->flags |= AV_PKT_FLAG_KEY;
669
670 pkt->pts = pic->pts;
671
672 vas = vaUnmapBuffer(ctx->hwctx->display, pic->output_buffer);
673 if (vas != VA_STATUS_SUCCESS) {
674 av_log(avctx, AV_LOG_ERROR, "Failed to unmap output buffers: "
675 "%d (%s).\n", vas, vaErrorStr(vas));
676 err = AVERROR(EIO);
677 goto fail;
678 }
679
680 av_buffer_unref(&pic->output_buffer_ref);
681 pic->output_buffer = VA_INVALID_ID;
682
683 av_log(avctx, AV_LOG_DEBUG, "Output read for pic %"PRId64"/%"PRId64".\n",
684 pic->display_order, pic->encode_order);
685 return 0;
686
687 fail_mapped:
688 vaUnmapBuffer(ctx->hwctx->display, pic->output_buffer);
689 fail:
690 av_buffer_unref(&pic->output_buffer_ref);
691 pic->output_buffer = VA_INVALID_ID;
692 return err;
693 }
694
695 static int vaapi_encode_discard(AVCodecContext *avctx,
696 VAAPIEncodePicture *pic)
697 {
698 vaapi_encode_wait(avctx, pic);
699
700 if (pic->output_buffer_ref) {
701 av_log(avctx, AV_LOG_DEBUG, "Discard output for pic "
702 "%"PRId64"/%"PRId64".\n",
703 pic->display_order, pic->encode_order);
704
705 av_buffer_unref(&pic->output_buffer_ref);
706 pic->output_buffer = VA_INVALID_ID;
707 }
708
709 return 0;
710 }
711
712 static VAAPIEncodePicture *vaapi_encode_alloc(AVCodecContext *avctx)
713 {
714 VAAPIEncodeContext *ctx = avctx->priv_data;
715 VAAPIEncodePicture *pic;
716
717 pic = av_mallocz(sizeof(*pic));
718 if (!pic)
719 return NULL;
720
721 if (ctx->codec->picture_priv_data_size > 0) {
722 pic->priv_data = av_mallocz(ctx->codec->picture_priv_data_size);
723 if (!pic->priv_data) {
724 av_freep(&pic);
725 return NULL;
726 }
727 }
728
729 pic->input_surface = VA_INVALID_ID;
730 pic->recon_surface = VA_INVALID_ID;
731 pic->output_buffer = VA_INVALID_ID;
732
733 return pic;
734 }
735
736 static int vaapi_encode_free(AVCodecContext *avctx,
737 VAAPIEncodePicture *pic)
738 {
739 int i;
740
741 if (pic->encode_issued)
742 vaapi_encode_discard(avctx, pic);
743
744 if (pic->slices) {
745 for (i = 0; i < pic->nb_slices; i++)
746 av_freep(&pic->slices[i].codec_slice_params);
747 }
748 av_freep(&pic->codec_picture_params);
749
750 av_frame_free(&pic->input_image);
751 av_frame_free(&pic->recon_image);
752
753 av_freep(&pic->param_buffers);
754 av_freep(&pic->slices);
755 // Output buffer should already be destroyed.
756 av_assert0(pic->output_buffer == VA_INVALID_ID);
757
758 av_freep(&pic->priv_data);
759 av_freep(&pic->codec_picture_params);
760 av_freep(&pic->roi);
761
762 av_free(pic);
763
764 return 0;
765 }
766
767 static void vaapi_encode_add_ref(AVCodecContext *avctx,
768 VAAPIEncodePicture *pic,
769 VAAPIEncodePicture *target,
770 int is_ref, int in_dpb, int prev)
771 {
772 int refs = 0;
773
774 if (is_ref) {
775 av_assert0(pic != target);
776 av_assert0(pic->nb_refs < MAX_PICTURE_REFERENCES);
777 pic->refs[pic->nb_refs++] = target;
778 ++refs;
779 }
780
781 if (in_dpb) {
782 av_assert0(pic->nb_dpb_pics < MAX_DPB_SIZE);
783 pic->dpb[pic->nb_dpb_pics++] = target;
784 ++refs;
785 }
786
787 if (prev) {
788 av_assert0(!pic->prev);
789 pic->prev = target;
790 ++refs;
791 }
792
793 target->ref_count[0] += refs;
794 target->ref_count[1] += refs;
795 }
796
797 static void vaapi_encode_remove_refs(AVCodecContext *avctx,
798 VAAPIEncodePicture *pic,
799 int level)
800 {
801 int i;
802
803 if (pic->ref_removed[level])
804 return;
805
806 for (i = 0; i < pic->nb_refs; i++) {
807 av_assert0(pic->refs[i]);
808 --pic->refs[i]->ref_count[level];
809 av_assert0(pic->refs[i]->ref_count[level] >= 0);
810 }
811
812 for (i = 0; i < pic->nb_dpb_pics; i++) {
813 av_assert0(pic->dpb[i]);
814 --pic->dpb[i]->ref_count[level];
815 av_assert0(pic->dpb[i]->ref_count[level] >= 0);
816 }
817
818 av_assert0(pic->prev || pic->type == PICTURE_TYPE_IDR);
819 if (pic->prev) {
820 --pic->prev->ref_count[level];
821 av_assert0(pic->prev->ref_count[level] >= 0);
822 }
823
824 pic->ref_removed[level] = 1;
825 }
826
827 static void vaapi_encode_set_b_pictures(AVCodecContext *avctx,
828 VAAPIEncodePicture *start,
829 VAAPIEncodePicture *end,
830 VAAPIEncodePicture *prev,
831 int current_depth,
832 VAAPIEncodePicture **last)
833 {
834 VAAPIEncodeContext *ctx = avctx->priv_data;
835 VAAPIEncodePicture *pic, *next, *ref;
836 int i, len;
837
838 av_assert0(start && end && start != end && start->next != end);
839
840 // If we are at the maximum depth then encode all pictures as
841 // non-referenced B-pictures. Also do this if there is exactly one
842 // picture left, since there will be nothing to reference it.
843 if (current_depth == ctx->max_b_depth || start->next->next == end) {
844 for (pic = start->next; pic; pic = pic->next) {
845 if (pic == end)
846 break;
847 pic->type = PICTURE_TYPE_B;
848 pic->b_depth = current_depth;
849
850 vaapi_encode_add_ref(avctx, pic, start, 1, 1, 0);
851 vaapi_encode_add_ref(avctx, pic, end, 1, 1, 0);
852 vaapi_encode_add_ref(avctx, pic, prev, 0, 0, 1);
853
854 for (ref = end->refs[1]; ref; ref = ref->refs[1])
855 vaapi_encode_add_ref(avctx, pic, ref, 0, 1, 0);
856 }
857 *last = prev;
858
859 } else {
860 // Split the current list at the midpoint with a referenced
861 // B-picture, then descend into each side separately.
862 len = 0;
863 for (pic = start->next; pic != end; pic = pic->next)
864 ++len;
865 for (pic = start->next, i = 1; 2 * i < len; pic = pic->next, i++);
866
867 pic->type = PICTURE_TYPE_B;
868 pic->b_depth = current_depth;
869
870 pic->is_reference = 1;
871
872 vaapi_encode_add_ref(avctx, pic, pic, 0, 1, 0);
873 vaapi_encode_add_ref(avctx, pic, start, 1, 1, 0);
874 vaapi_encode_add_ref(avctx, pic, end, 1, 1, 0);
875 vaapi_encode_add_ref(avctx, pic, prev, 0, 0, 1);
876
877 for (ref = end->refs[1]; ref; ref = ref->refs[1])
878 vaapi_encode_add_ref(avctx, pic, ref, 0, 1, 0);
879
880 if (i > 1)
881 vaapi_encode_set_b_pictures(avctx, start, pic, pic,
882 current_depth + 1, &next);
883 else
884 next = pic;
885
886 vaapi_encode_set_b_pictures(avctx, pic, end, next,
887 current_depth + 1, last);
888 }
889 }
890
891 static int vaapi_encode_pick_next(AVCodecContext *avctx,
892 VAAPIEncodePicture **pic_out)
893 {
894 VAAPIEncodeContext *ctx = avctx->priv_data;
895 VAAPIEncodePicture *pic = NULL, *next, *start;
896 int i, b_counter, closed_gop_end;
897
898 // If there are any B-frames already queued, the next one to encode
899 // is the earliest not-yet-issued frame for which all references are
900 // available.
901 for (pic = ctx->pic_start; pic; pic = pic->next) {
902 if (pic->encode_issued)
903 continue;
904 if (pic->type != PICTURE_TYPE_B)
905 continue;
906 for (i = 0; i < pic->nb_refs; i++) {
907 if (!pic->refs[i]->encode_issued)
908 break;
909 }
910 if (i == pic->nb_refs)
911 break;
912 }
913
914 if (pic) {
915 av_log(avctx, AV_LOG_DEBUG, "Pick B-picture at depth %d to "
916 "encode next.\n", pic->b_depth);
917 *pic_out = pic;
918 return 0;
919 }
920
921 // Find the B-per-Pth available picture to become the next picture
922 // on the top layer.
923 start = NULL;
924 b_counter = 0;
925 closed_gop_end = ctx->closed_gop ||
926 ctx->idr_counter == ctx->gop_per_idr;
927 for (pic = ctx->pic_start; pic; pic = next) {
928 next = pic->next;
929 if (pic->encode_issued) {
930 start = pic;
931 continue;
932 }
933 // If the next available picture is force-IDR, encode it to start
934 // a new GOP immediately.
935 if (pic->force_idr)
936 break;
937 if (b_counter == ctx->b_per_p)
938 break;
939 // If this picture ends a closed GOP or starts a new GOP then it
940 // needs to be in the top layer.
941 if (ctx->gop_counter + b_counter + closed_gop_end >= ctx->gop_size)
942 break;
943 // If the picture after this one is force-IDR, we need to encode
944 // this one in the top layer.
945 if (next && next->force_idr)
946 break;
947 ++b_counter;
948 }
949
950 // At the end of the stream the last picture must be in the top layer.
951 if (!pic && ctx->end_of_stream) {
952 --b_counter;
953 pic = ctx->pic_end;
954 if (pic->encode_issued)
955 return AVERROR_EOF;
956 }
957
958 if (!pic) {
959 av_log(avctx, AV_LOG_DEBUG, "Pick nothing to encode next - "
960 "need more input for reference pictures.\n");
961 return AVERROR(EAGAIN);
962 }
963 if (ctx->input_order <= ctx->decode_delay && !ctx->end_of_stream) {
964 av_log(avctx, AV_LOG_DEBUG, "Pick nothing to encode next - "
965 "need more input for timestamps.\n");
966 return AVERROR(EAGAIN);
967 }
968
969 if (pic->force_idr) {
970 av_log(avctx, AV_LOG_DEBUG, "Pick forced IDR-picture to "
971 "encode next.\n");
972 pic->type = PICTURE_TYPE_IDR;
973 ctx->idr_counter = 1;
974 ctx->gop_counter = 1;
975
976 } else if (ctx->gop_counter + b_counter >= ctx->gop_size) {
977 if (ctx->idr_counter == ctx->gop_per_idr) {
978 av_log(avctx, AV_LOG_DEBUG, "Pick new-GOP IDR-picture to "
979 "encode next.\n");
980 pic->type = PICTURE_TYPE_IDR;
981 ctx->idr_counter = 1;
982 } else {
983 av_log(avctx, AV_LOG_DEBUG, "Pick new-GOP I-picture to "
984 "encode next.\n");
985 pic->type = PICTURE_TYPE_I;
986 ++ctx->idr_counter;
987 }
988 ctx->gop_counter = 1;
989
990 } else {
991 if (ctx->gop_counter + b_counter + closed_gop_end == ctx->gop_size) {
992 av_log(avctx, AV_LOG_DEBUG, "Pick group-end P-picture to "
993 "encode next.\n");
994 } else {
995 av_log(avctx, AV_LOG_DEBUG, "Pick normal P-picture to "
996 "encode next.\n");
997 }
998 pic->type = PICTURE_TYPE_P;
999 av_assert0(start);
1000 ctx->gop_counter += 1 + b_counter;
1001 }
1002 pic->is_reference = 1;
1003 *pic_out = pic;
1004
1005 vaapi_encode_add_ref(avctx, pic, pic, 0, 1, 0);
1006 if (pic->type != PICTURE_TYPE_IDR) {
1007 vaapi_encode_add_ref(avctx, pic, start,
1008 pic->type == PICTURE_TYPE_P,
1009 b_counter > 0, 0);
1010 vaapi_encode_add_ref(avctx, pic, ctx->next_prev, 0, 0, 1);
1011 }
1012 if (ctx->next_prev)
1013 --ctx->next_prev->ref_count[0];
1014
1015 if (b_counter > 0) {
1016 vaapi_encode_set_b_pictures(avctx, start, pic, pic, 1,
1017 &ctx->next_prev);
1018 } else {
1019 ctx->next_prev = pic;
1020 }
1021 ++ctx->next_prev->ref_count[0];
1022 return 0;
1023 }
1024
1025 static int vaapi_encode_clear_old(AVCodecContext *avctx)
1026 {
1027 VAAPIEncodeContext *ctx = avctx->priv_data;
1028 VAAPIEncodePicture *pic, *prev, *next;
1029
1030 av_assert0(ctx->pic_start);
1031
1032 // Remove direct references once each picture is complete.
1033 for (pic = ctx->pic_start; pic; pic = pic->next) {
1034 if (pic->encode_complete && pic->next)
1035 vaapi_encode_remove_refs(avctx, pic, 0);
1036 }
1037
1038 // Remove indirect references once a picture has no direct references.
1039 for (pic = ctx->pic_start; pic; pic = pic->next) {
1040 if (pic->encode_complete && pic->ref_count[0] == 0)
1041 vaapi_encode_remove_refs(avctx, pic, 1);
1042 }
1043
1044 // Clear out all complete pictures with no remaining references.
1045 prev = NULL;
1046 for (pic = ctx->pic_start; pic; pic = next) {
1047 next = pic->next;
1048 if (pic->encode_complete && pic->ref_count[1] == 0) {
1049 av_assert0(pic->ref_removed[0] && pic->ref_removed[1]);
1050 if (prev)
1051 prev->next = next;
1052 else
1053 ctx->pic_start = next;
1054 vaapi_encode_free(avctx, pic);
1055 } else {
1056 prev = pic;
1057 }
1058 }
1059
1060 return 0;
1061 }
1062
1063 static int vaapi_encode_check_frame(AVCodecContext *avctx,
1064 const AVFrame *frame)
1065 {
1066 VAAPIEncodeContext *ctx = avctx->priv_data;
1067
1068 if ((frame->crop_top || frame->crop_bottom ||
1069 frame->crop_left || frame->crop_right) && !ctx->crop_warned) {
1070 av_log(avctx, AV_LOG_WARNING, "Cropping information on input "
1071 "frames ignored due to lack of API support.\n");
1072 ctx->crop_warned = 1;
1073 }
1074
1075 if (!ctx->roi_allowed) {
1076 AVFrameSideData *sd =
1077 av_frame_get_side_data(frame, AV_FRAME_DATA_REGIONS_OF_INTEREST);
1078
1079 if (sd && !ctx->roi_warned) {
1080 av_log(avctx, AV_LOG_WARNING, "ROI side data on input "
1081 "frames ignored due to lack of driver support.\n");
1082 ctx->roi_warned = 1;
1083 }
1084 }
1085
1086 return 0;
1087 }
1088
1089 static int vaapi_encode_send_frame(AVCodecContext *avctx, AVFrame *frame)
1090 {
1091 VAAPIEncodeContext *ctx = avctx->priv_data;
1092 VAAPIEncodePicture *pic;
1093 int err;
1094
1095 if (frame) {
1096 av_log(avctx, AV_LOG_DEBUG, "Input frame: %ux%u (%"PRId64").\n",
1097 frame->width, frame->height, frame->pts);
1098
1099 err = vaapi_encode_check_frame(avctx, frame);
1100 if (err < 0)
1101 return err;
1102
1103 pic = vaapi_encode_alloc(avctx);
1104 if (!pic)
1105 return AVERROR(ENOMEM);
1106
1107 pic->input_image = av_frame_alloc();
1108 if (!pic->input_image) {
1109 err = AVERROR(ENOMEM);
1110 goto fail;
1111 }
1112
1113 if (ctx->input_order == 0 || frame->pict_type == AV_PICTURE_TYPE_I)
1114 pic->force_idr = 1;
1115
1116 pic->input_surface = (VASurfaceID)(uintptr_t)frame->data[3];
1117 pic->pts = frame->pts;
1118
1119 av_frame_move_ref(pic->input_image, frame);
1120
1121 if (ctx->input_order == 0)
1122 ctx->first_pts = pic->pts;
1123 if (ctx->input_order == ctx->decode_delay)
1124 ctx->dts_pts_diff = pic->pts - ctx->first_pts;
1125 if (ctx->output_delay > 0)
1126 ctx->ts_ring[ctx->input_order % (3 * ctx->output_delay)] = pic->pts;
1127
1128 pic->display_order = ctx->input_order;
1129 ++ctx->input_order;
1130
1131 if (ctx->pic_start) {
1132 ctx->pic_end->next = pic;
1133 ctx->pic_end = pic;
1134 } else {
1135 ctx->pic_start = pic;
1136 ctx->pic_end = pic;
1137 }
1138
1139 } else {
1140 ctx->end_of_stream = 1;
1141
1142 // Fix timestamps if we hit end-of-stream before the initial decode
1143 // delay has elapsed.
1144 if (ctx->input_order < ctx->decode_delay)
1145 ctx->dts_pts_diff = ctx->pic_end->pts - ctx->first_pts;
1146 }
1147
1148 return 0;
1149
1150 fail:
1151 vaapi_encode_free(avctx, pic);
1152 return err;
1153 }
1154
1155 int ff_vaapi_encode_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
1156 {
1157 VAAPIEncodeContext *ctx = avctx->priv_data;
1158 VAAPIEncodePicture *pic;
1159 AVFrame *frame = ctx->frame;
1160 int err;
1161
1162 err = ff_encode_get_frame(avctx, frame);
1163 if (err < 0 && err != AVERROR_EOF)
1164 return err;
1165
1166 if (err == AVERROR_EOF)
1167 frame = NULL;
1168
1169 err = vaapi_encode_send_frame(avctx, frame);
1170 if (err < 0)
1171 return err;
1172
1173 if (!ctx->pic_start) {
1174 if (ctx->end_of_stream)
1175 return AVERROR_EOF;
1176 else
1177 return AVERROR(EAGAIN);
1178 }
1179
1180 pic = NULL;
1181 err = vaapi_encode_pick_next(avctx, &pic);
1182 if (err < 0)
1183 return err;
1184 av_assert0(pic);
1185
1186 pic->encode_order = ctx->encode_order++;
1187
1188 err = vaapi_encode_issue(avctx, pic);
1189 if (err < 0) {
1190 av_log(avctx, AV_LOG_ERROR, "Encode failed: %d.\n", err);
1191 return err;
1192 }
1193
1194 err = vaapi_encode_output(avctx, pic, pkt);
1195 if (err < 0) {
1196 av_log(avctx, AV_LOG_ERROR, "Output failed: %d.\n", err);
1197 return err;
1198 }
1199
1200 if (ctx->output_delay == 0) {
1201 pkt->dts = pkt->pts;
1202 } else if (pic->encode_order < ctx->decode_delay) {
1203 if (ctx->ts_ring[pic->encode_order] < INT64_MIN + ctx->dts_pts_diff)
1204 pkt->dts = INT64_MIN;
1205 else
1206 pkt->dts = ctx->ts_ring[pic->encode_order] - ctx->dts_pts_diff;
1207 } else {
1208 pkt->dts = ctx->ts_ring[(pic->encode_order - ctx->decode_delay) %
1209 (3 * ctx->output_delay)];
1210 }
1211 av_log(avctx, AV_LOG_DEBUG, "Output packet: pts %"PRId64" dts %"PRId64".\n",
1212 pkt->pts, pkt->dts);
1213
1214 ctx->output_order = pic->encode_order;
1215 vaapi_encode_clear_old(avctx);
1216
1217 return 0;
1218 }
1219
1220
1221 static av_cold void vaapi_encode_add_global_param(AVCodecContext *avctx, int type,
1222 void *buffer, size_t size)
1223 {
1224 VAAPIEncodeContext *ctx = avctx->priv_data;
1225
1226 av_assert0(ctx->nb_global_params < MAX_GLOBAL_PARAMS);
1227
1228 ctx->global_params_type[ctx->nb_global_params] = type;
1229 ctx->global_params [ctx->nb_global_params] = buffer;
1230 ctx->global_params_size[ctx->nb_global_params] = size;
1231
1232 ++ctx->nb_global_params;
1233 }
1234
1235 typedef struct VAAPIEncodeRTFormat {
1236 const char *name;
1237 unsigned int value;
1238 int depth;
1239 int nb_components;
1240 int log2_chroma_w;
1241 int log2_chroma_h;
1242 } VAAPIEncodeRTFormat;
1243
1244 static const VAAPIEncodeRTFormat vaapi_encode_rt_formats[] = {
1245 { "YUV400", VA_RT_FORMAT_YUV400, 8, 1, },
1246 { "YUV420", VA_RT_FORMAT_YUV420, 8, 3, 1, 1 },
1247 { "YUV422", VA_RT_FORMAT_YUV422, 8, 3, 1, 0 },
1248 #if VA_CHECK_VERSION(1, 2, 0)
1249 { "YUV422_10", VA_RT_FORMAT_YUV422_10, 10, 3, 1, 0 },
1250 #endif
1251 { "YUV444", VA_RT_FORMAT_YUV444, 8, 3, 0, 0 },
1252 { "YUV411", VA_RT_FORMAT_YUV411, 8, 3, 2, 0 },
1253 #if VA_CHECK_VERSION(0, 38, 1)
1254 { "YUV420_10", VA_RT_FORMAT_YUV420_10BPP, 10, 3, 1, 1 },
1255 #endif
1256 };
1257
1258 static const VAEntrypoint vaapi_encode_entrypoints_normal[] = {
1259 VAEntrypointEncSlice,
1260 VAEntrypointEncPicture,
1261 #if VA_CHECK_VERSION(0, 39, 2)
1262 VAEntrypointEncSliceLP,
1263 #endif
1264 0
1265 };
1266 #if VA_CHECK_VERSION(0, 39, 2)
1267 static const VAEntrypoint vaapi_encode_entrypoints_low_power[] = {
1268 VAEntrypointEncSliceLP,
1269 0
1270 };
1271 #endif
1272
1273 static av_cold int vaapi_encode_profile_entrypoint(AVCodecContext *avctx)
1274 {
1275 VAAPIEncodeContext *ctx = avctx->priv_data;
1276 VAProfile *va_profiles = NULL;
1277 VAEntrypoint *va_entrypoints = NULL;
1278 VAStatus vas;
1279 const VAEntrypoint *usable_entrypoints;
1280 const VAAPIEncodeProfile *profile;
1281 const AVPixFmtDescriptor *desc;
1282 VAConfigAttrib rt_format_attr;
1283 const VAAPIEncodeRTFormat *rt_format;
1284 const char *profile_string, *entrypoint_string;
1285 int i, j, n, depth, err;
1286
1287
1288 if (ctx->low_power) {
1289 #if VA_CHECK_VERSION(0, 39, 2)
1290 usable_entrypoints = vaapi_encode_entrypoints_low_power;
1291 #else
1292 av_log(avctx, AV_LOG_ERROR, "Low-power encoding is not "
1293 "supported with this VAAPI version.\n");
1294 return AVERROR(EINVAL);
1295 #endif
1296 } else {
1297 usable_entrypoints = vaapi_encode_entrypoints_normal;
1298 }
1299
1300 desc = av_pix_fmt_desc_get(ctx->input_frames->sw_format);
1301 if (!desc) {
1302 av_log(avctx, AV_LOG_ERROR, "Invalid input pixfmt (%d).\n",
1303 ctx->input_frames->sw_format);
1304 return AVERROR(EINVAL);
1305 }
1306 depth = desc->comp[0].depth;
1307 for (i = 1; i < desc->nb_components; i++) {
1308 if (desc->comp[i].depth != depth) {
1309 av_log(avctx, AV_LOG_ERROR, "Invalid input pixfmt (%s).\n",
1310 desc->name);
1311 return AVERROR(EINVAL);
1312 }
1313 }
1314 av_log(avctx, AV_LOG_VERBOSE, "Input surface format is %s.\n",
1315 desc->name);
1316
1317 n = vaMaxNumProfiles(ctx->hwctx->display);
1318 va_profiles = av_malloc_array(n, sizeof(VAProfile));
1319 if (!va_profiles) {
1320 err = AVERROR(ENOMEM);
1321 goto fail;
1322 }
1323 vas = vaQueryConfigProfiles(ctx->hwctx->display, va_profiles, &n);
1324 if (vas != VA_STATUS_SUCCESS) {
1325 av_log(avctx, AV_LOG_ERROR, "Failed to query profiles: %d (%s).\n",
1326 vas, vaErrorStr(vas));
1327 err = AVERROR_EXTERNAL;
1328 goto fail;
1329 }
1330
1331 av_assert0(ctx->codec->profiles);
1332 for (i = 0; (ctx->codec->profiles[i].av_profile !=
1333 FF_PROFILE_UNKNOWN); i++) {
1334 profile = &ctx->codec->profiles[i];
1335 if (depth != profile->depth ||
1336 desc->nb_components != profile->nb_components)
1337 continue;
1338 if (desc->nb_components > 1 &&
1339 (desc->log2_chroma_w != profile->log2_chroma_w ||
1340 desc->log2_chroma_h != profile->log2_chroma_h))
1341 continue;
1342 if (avctx->profile != profile->av_profile &&
1343 avctx->profile != FF_PROFILE_UNKNOWN)
1344 continue;
1345
1346 #if VA_CHECK_VERSION(1, 0, 0)
1347 profile_string = vaProfileStr(profile->va_profile);
1348 #else
1349 profile_string = "(no profile names)";
1350 #endif
1351
1352 for (j = 0; j < n; j++) {
1353 if (va_profiles[j] == profile->va_profile)
1354 break;
1355 }
1356 if (j >= n) {
1357 av_log(avctx, AV_LOG_VERBOSE, "Compatible profile %s (%d) "
1358 "is not supported by driver.\n", profile_string,
1359 profile->va_profile);
1360 continue;
1361 }
1362
1363 ctx->profile = profile;
1364 break;
1365 }
1366 if (!ctx->profile) {
1367 av_log(avctx, AV_LOG_ERROR, "No usable encoding profile found.\n");
1368 err = AVERROR(ENOSYS);
1369 goto fail;
1370 }
1371
1372 avctx->profile = profile->av_profile;
1373 ctx->va_profile = profile->va_profile;
1374 av_log(avctx, AV_LOG_VERBOSE, "Using VAAPI profile %s (%d).\n",
1375 profile_string, ctx->va_profile);
1376
1377 n = vaMaxNumEntrypoints(ctx->hwctx->display);
1378 va_entrypoints = av_malloc_array(n, sizeof(VAEntrypoint));
1379 if (!va_entrypoints) {
1380 err = AVERROR(ENOMEM);
1381 goto fail;
1382 }
1383 vas = vaQueryConfigEntrypoints(ctx->hwctx->display, ctx->va_profile,
1384 va_entrypoints, &n);
1385 if (vas != VA_STATUS_SUCCESS) {
1386 av_log(avctx, AV_LOG_ERROR, "Failed to query entrypoints for "
1387 "profile %s (%d): %d (%s).\n", profile_string,
1388 ctx->va_profile, vas, vaErrorStr(vas));
1389 err = AVERROR_EXTERNAL;
1390 goto fail;
1391 }
1392
1393 for (i = 0; i < n; i++) {
1394 for (j = 0; usable_entrypoints[j]; j++) {
1395 if (va_entrypoints[i] == usable_entrypoints[j])
1396 break;
1397 }
1398 if (usable_entrypoints[j])
1399 break;
1400 }
1401 if (i >= n) {
1402 av_log(avctx, AV_LOG_ERROR, "No usable encoding entrypoint found "
1403 "for profile %s (%d).\n", profile_string, ctx->va_profile);
1404 err = AVERROR(ENOSYS);
1405 goto fail;
1406 }
1407
1408 ctx->va_entrypoint = va_entrypoints[i];
1409 #if VA_CHECK_VERSION(1, 0, 0)
1410 entrypoint_string = vaEntrypointStr(ctx->va_entrypoint);
1411 #else
1412 entrypoint_string = "(no entrypoint names)";
1413 #endif
1414 av_log(avctx, AV_LOG_VERBOSE, "Using VAAPI entrypoint %s (%d).\n",
1415 entrypoint_string, ctx->va_entrypoint);
1416
1417 for (i = 0; i < FF_ARRAY_ELEMS(vaapi_encode_rt_formats); i++) {
1418 rt_format = &vaapi_encode_rt_formats[i];
1419 if (rt_format->depth == depth &&
1420 rt_format->nb_components == profile->nb_components &&
1421 rt_format->log2_chroma_w == profile->log2_chroma_w &&
1422 rt_format->log2_chroma_h == profile->log2_chroma_h)
1423 break;
1424 }
1425 if (i >= FF_ARRAY_ELEMS(vaapi_encode_rt_formats)) {
1426 av_log(avctx, AV_LOG_ERROR, "No usable render target format "
1427 "found for profile %s (%d) entrypoint %s (%d).\n",
1428 profile_string, ctx->va_profile,
1429 entrypoint_string, ctx->va_entrypoint);
1430 err = AVERROR(ENOSYS);
1431 goto fail;
1432 }
1433
1434 rt_format_attr = (VAConfigAttrib) { VAConfigAttribRTFormat };
1435 vas = vaGetConfigAttributes(ctx->hwctx->display,
1436 ctx->va_profile, ctx->va_entrypoint,
1437 &rt_format_attr, 1);
1438 if (vas != VA_STATUS_SUCCESS) {
1439 av_log(avctx, AV_LOG_ERROR, "Failed to query RT format "
1440 "config attribute: %d (%s).\n", vas, vaErrorStr(vas));
1441 err = AVERROR_EXTERNAL;
1442 goto fail;
1443 }
1444
1445 if (rt_format_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1446 av_log(avctx, AV_LOG_VERBOSE, "RT format config attribute not "
1447 "supported by driver: assuming surface RT format %s "
1448 "is valid.\n", rt_format->name);
1449 } else if (!(rt_format_attr.value & rt_format->value)) {
1450 av_log(avctx, AV_LOG_ERROR, "Surface RT format %s not supported "
1451 "by driver for encoding profile %s (%d) entrypoint %s (%d).\n",
1452 rt_format->name, profile_string, ctx->va_profile,
1453 entrypoint_string, ctx->va_entrypoint);
1454 err = AVERROR(ENOSYS);
1455 goto fail;
1456 } else {
1457 av_log(avctx, AV_LOG_VERBOSE, "Using VAAPI render target "
1458 "format %s (%#x).\n", rt_format->name, rt_format->value);
1459 ctx->config_attributes[ctx->nb_config_attributes++] =
1460 (VAConfigAttrib) {
1461 .type = VAConfigAttribRTFormat,
1462 .value = rt_format->value,
1463 };
1464 }
1465
1466 err = 0;
1467 fail:
1468 av_freep(&va_profiles);
1469 av_freep(&va_entrypoints);
1470 return err;
1471 }
1472
1473 static const VAAPIEncodeRCMode vaapi_encode_rc_modes[] = {
1474 // Bitrate Quality
1475 // | Maxrate | HRD/VBV
1476 { 0 }, // | | | |
1477 { RC_MODE_CQP, "CQP", 1, VA_RC_CQP, 0, 0, 1, 0 },
1478 { RC_MODE_CBR, "CBR", 1, VA_RC_CBR, 1, 0, 0, 1 },
1479 { RC_MODE_VBR, "VBR", 1, VA_RC_VBR, 1, 1, 0, 1 },
1480 #if VA_CHECK_VERSION(1, 1, 0)
1481 { RC_MODE_ICQ, "ICQ", 1, VA_RC_ICQ, 0, 0, 1, 0 },
1482 #else
1483 { RC_MODE_ICQ, "ICQ", 0 },
1484 #endif
1485 #if VA_CHECK_VERSION(1, 3, 0)
1486 { RC_MODE_QVBR, "QVBR", 1, VA_RC_QVBR, 1, 1, 1, 1 },
1487 { RC_MODE_AVBR, "AVBR", 0, VA_RC_AVBR, 1, 0, 0, 0 },
1488 #else
1489 { RC_MODE_QVBR, "QVBR", 0 },
1490 { RC_MODE_AVBR, "AVBR", 0 },
1491 #endif
1492 };
1493
1494 static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx)
1495 {
1496 VAAPIEncodeContext *ctx = avctx->priv_data;
1497 uint32_t supported_va_rc_modes;
1498 const VAAPIEncodeRCMode *rc_mode;
1499 int64_t rc_bits_per_second;
1500 int rc_target_percentage;
1501 int rc_window_size;
1502 int rc_quality;
1503 int64_t hrd_buffer_size;
1504 int64_t hrd_initial_buffer_fullness;
1505 int fr_num, fr_den;
1506 VAConfigAttrib rc_attr = { VAConfigAttribRateControl };
1507 VAStatus vas;
1508 char supported_rc_modes_string[64];
1509
1510 vas = vaGetConfigAttributes(ctx->hwctx->display,
1511 ctx->va_profile, ctx->va_entrypoint,
1512 &rc_attr, 1);
1513 if (vas != VA_STATUS_SUCCESS) {
1514 av_log(avctx, AV_LOG_ERROR, "Failed to query rate control "
1515 "config attribute: %d (%s).\n", vas, vaErrorStr(vas));
1516 return AVERROR_EXTERNAL;
1517 }
1518 if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1519 av_log(avctx, AV_LOG_VERBOSE, "Driver does not report any "
1520 "supported rate control modes: assuming CQP only.\n");
1521 supported_va_rc_modes = VA_RC_CQP;
1522 strcpy(supported_rc_modes_string, "unknown");
1523 } else {
1524 char *str = supported_rc_modes_string;
1525 size_t len = sizeof(supported_rc_modes_string);
1526 int i, first = 1, res;
1527
1528 supported_va_rc_modes = rc_attr.value;
1529 for (i = 0; i < FF_ARRAY_ELEMS(vaapi_encode_rc_modes); i++) {
1530 rc_mode = &vaapi_encode_rc_modes[i];
1531 if (supported_va_rc_modes & rc_mode->va_mode) {
1532 res = snprintf(str, len, "%s%s",
1533 first ? "" : ", ", rc_mode->name);
1534 first = 0;
1535 if (res < 0) {
1536 *str = 0;
1537 break;
1538 }
1539 len -= res;
1540 str += res;
1541 if (len == 0)
1542 break;
1543 }
1544 }
1545
1546 av_log(avctx, AV_LOG_DEBUG, "Driver supports RC modes %s.\n",
1547 supported_rc_modes_string);
1548 }
1549
1550 // Rate control mode selection:
1551 // * If the user has set a mode explicitly with the rc_mode option,
1552 // use it and fail if it is not available.
1553 // * If an explicit QP option has been set, use CQP.
1554 // * If the codec is CQ-only, use CQP.
1555 // * If the QSCALE avcodec option is set, use CQP.
1556 // * If bitrate and quality are both set, try QVBR.
1557 // * If quality is set, try ICQ, then CQP.
1558 // * If bitrate and maxrate are set and have the same value, try CBR.
1559 // * If a bitrate is set, try AVBR, then VBR, then CBR.
1560 // * If no bitrate is set, try ICQ, then CQP.
1561
1562 #define TRY_RC_MODE(mode, fail) do { \
1563 rc_mode = &vaapi_encode_rc_modes[mode]; \
1564 if (!(rc_mode->va_mode & supported_va_rc_modes)) { \
1565 if (fail) { \
1566 av_log(avctx, AV_LOG_ERROR, "Driver does not support %s " \
1567 "RC mode (supported modes: %s).\n", rc_mode->name, \
1568 supported_rc_modes_string); \
1569 return AVERROR(EINVAL); \
1570 } \
1571 av_log(avctx, AV_LOG_DEBUG, "Driver does not support %s " \
1572 "RC mode.\n", rc_mode->name); \
1573 rc_mode = NULL; \
1574 } else { \
1575 goto rc_mode_found; \
1576 } \
1577 } while (0)
1578
1579 if (ctx->explicit_rc_mode)
1580 TRY_RC_MODE(ctx->explicit_rc_mode, 1);
1581
1582 if (ctx->explicit_qp)
1583 TRY_RC_MODE(RC_MODE_CQP, 1);
1584
1585 if (ctx->codec->flags & FLAG_CONSTANT_QUALITY_ONLY)
1586 TRY_RC_MODE(RC_MODE_CQP, 1);
1587
1588 if (avctx->flags & AV_CODEC_FLAG_QSCALE)
1589 TRY_RC_MODE(RC_MODE_CQP, 1);
1590
1591 if (avctx->bit_rate > 0 && avctx->global_quality > 0)
1592 TRY_RC_MODE(RC_MODE_QVBR, 0);
1593
1594 if (avctx->global_quality > 0) {
1595 TRY_RC_MODE(RC_MODE_ICQ, 0);
1596 TRY_RC_MODE(RC_MODE_CQP, 0);
1597 }
1598
1599 if (avctx->bit_rate > 0 && avctx->rc_max_rate == avctx->bit_rate)
1600 TRY_RC_MODE(RC_MODE_CBR, 0);
1601
1602 if (avctx->bit_rate > 0) {
1603 TRY_RC_MODE(RC_MODE_AVBR, 0);
1604 TRY_RC_MODE(RC_MODE_VBR, 0);
1605 TRY_RC_MODE(RC_MODE_CBR, 0);
1606 } else {
1607 TRY_RC_MODE(RC_MODE_ICQ, 0);
1608 TRY_RC_MODE(RC_MODE_CQP, 0);
1609 }
1610
1611 av_log(avctx, AV_LOG_ERROR, "Driver does not support any "
1612 "RC mode compatible with selected options "
1613 "(supported modes: %s).\n", supported_rc_modes_string);
1614 return AVERROR(EINVAL);
1615
1616 rc_mode_found:
1617 if (rc_mode->bitrate) {
1618 if (avctx->bit_rate <= 0) {
1619 av_log(avctx, AV_LOG_ERROR, "Bitrate must be set for %s "
1620 "RC mode.\n", rc_mode->name);
1621 return AVERROR(EINVAL);
1622 }
1623
1624 if (rc_mode->mode == RC_MODE_AVBR) {
1625 // For maximum confusion AVBR is hacked into the existing API
1626 // by overloading some of the fields with completely different
1627 // meanings.
1628
1629 // Target percentage does not apply in AVBR mode.
1630 rc_bits_per_second = avctx->bit_rate;
1631
1632 // Accuracy tolerance range for meeting the specified target
1633 // bitrate. It's very unclear how this is actually intended
1634 // to work - since we do want to get the specified bitrate,
1635 // set the accuracy to 100% for now.
1636 rc_target_percentage = 100;
1637
1638 // Convergence period in frames. The GOP size reflects the
1639 // user's intended block size for cutting, so reusing that
1640 // as the convergence period seems a reasonable default.
1641 rc_window_size = avctx->gop_size > 0 ? avctx->gop_size : 60;
1642
1643 } else if (rc_mode->maxrate) {
1644 if (avctx->rc_max_rate > 0) {
1645 if (avctx->rc_max_rate < avctx->bit_rate) {
1646 av_log(avctx, AV_LOG_ERROR, "Invalid bitrate settings: "
1647 "bitrate (%"PRId64") must not be greater than "
1648 "maxrate (%"PRId64").\n", avctx->bit_rate,
1649 avctx->rc_max_rate);
1650 return AVERROR(EINVAL);
1651 }
1652 rc_bits_per_second = avctx->rc_max_rate;
1653 rc_target_percentage = (avctx->bit_rate * 100) /
1654 avctx->rc_max_rate;
1655 } else {
1656 // We only have a target bitrate, but this mode requires
1657 // that a maximum rate be supplied as well. Since the
1658 // user does not want this to be a constraint, arbitrarily
1659 // pick a maximum rate of double the target rate.
1660 rc_bits_per_second = 2 * avctx->bit_rate;
1661 rc_target_percentage = 50;
1662 }
1663 } else {
1664 if (avctx->rc_max_rate > avctx->bit_rate) {
1665 av_log(avctx, AV_LOG_WARNING, "Max bitrate is ignored "
1666 "in %s RC mode.\n", rc_mode->name);
1667 }
1668 rc_bits_per_second = avctx->bit_rate;
1669 rc_target_percentage = 100;
1670 }
1671 } else {
1672 rc_bits_per_second = 0;
1673 rc_target_percentage = 100;
1674 }
1675
1676 if (rc_mode->quality) {
1677 if (ctx->explicit_qp) {
1678 rc_quality = ctx->explicit_qp;
1679 } else if (avctx->global_quality > 0) {
1680 rc_quality = avctx->global_quality;
1681 } else {
1682 rc_quality = ctx->codec->default_quality;
1683 av_log(avctx, AV_LOG_WARNING, "No quality level set; "
1684 "using default (%d).\n", rc_quality);
1685 }
1686 } else {
1687 rc_quality = 0;
1688 }
1689
1690 if (rc_mode->hrd) {
1691 if (avctx->rc_buffer_size)
1692 hrd_buffer_size = avctx->rc_buffer_size;
1693 else if (avctx->rc_max_rate > 0)
1694 hrd_buffer_size = avctx->rc_max_rate;
1695 else
1696 hrd_buffer_size = avctx->bit_rate;
1697 if (avctx->rc_initial_buffer_occupancy) {
1698 if (avctx->rc_initial_buffer_occupancy > hrd_buffer_size) {
1699 av_log(avctx, AV_LOG_ERROR, "Invalid RC buffer settings: "
1700 "must have initial buffer size (%d) <= "
1701 "buffer size (%"PRId64").\n",
1702 avctx->rc_initial_buffer_occupancy, hrd_buffer_size);
1703 return AVERROR(EINVAL);
1704 }
1705 hrd_initial_buffer_fullness = avctx->rc_initial_buffer_occupancy;
1706 } else {
1707 hrd_initial_buffer_fullness = hrd_buffer_size * 3 / 4;
1708 }
1709
1710 rc_window_size = (hrd_buffer_size * 1000) / rc_bits_per_second;
1711 } else {
1712 if (avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
1713 av_log(avctx, AV_LOG_WARNING, "Buffering settings are ignored "
1714 "in %s RC mode.\n", rc_mode->name);
1715 }
1716
1717 hrd_buffer_size = 0;
1718 hrd_initial_buffer_fullness = 0;
1719
1720 if (rc_mode->mode != RC_MODE_AVBR) {
1721 // Already set (with completely different meaning) for AVBR.
1722 rc_window_size = 1000;
1723 }
1724 }
1725
1726 if (rc_bits_per_second > UINT32_MAX ||
1727 hrd_buffer_size > UINT32_MAX ||
1728 hrd_initial_buffer_fullness > UINT32_MAX) {
1729 av_log(avctx, AV_LOG_ERROR, "RC parameters of 2^32 or "
1730 "greater are not supported by VAAPI.\n");
1731 return AVERROR(EINVAL);
1732 }
1733
1734 ctx->rc_mode = rc_mode;
1735 ctx->rc_quality = rc_quality;
1736 ctx->va_rc_mode = rc_mode->va_mode;
1737 ctx->va_bit_rate = rc_bits_per_second;
1738
1739 av_log(avctx, AV_LOG_VERBOSE, "RC mode: %s.\n", rc_mode->name);
1740 if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1741 // This driver does not want the RC mode attribute to be set.
1742 } else {
1743 ctx->config_attributes[ctx->nb_config_attributes++] =
1744 (VAConfigAttrib) {
1745 .type = VAConfigAttribRateControl,
1746 .value = ctx->va_rc_mode,
1747 };
1748 }
1749
1750 if (rc_mode->quality)
1751 av_log(avctx, AV_LOG_VERBOSE, "RC quality: %d.\n", rc_quality);
1752
1753 if (rc_mode->va_mode != VA_RC_CQP) {
1754 if (rc_mode->mode == RC_MODE_AVBR) {
1755 av_log(avctx, AV_LOG_VERBOSE, "RC target: %"PRId64" bps "
1756 "converging in %d frames with %d%% accuracy.\n",
1757 rc_bits_per_second, rc_window_size,
1758 rc_target_percentage);
1759 } else if (rc_mode->bitrate) {
1760 av_log(avctx, AV_LOG_VERBOSE, "RC target: %d%% of "
1761 "%"PRId64" bps over %d ms.\n", rc_target_percentage,
1762 rc_bits_per_second, rc_window_size);
1763 }
1764
1765 ctx->rc_params = (VAEncMiscParameterRateControl) {
1766 .bits_per_second = rc_bits_per_second,
1767 .target_percentage = rc_target_percentage,
1768 .window_size = rc_window_size,
1769 .initial_qp = 0,
1770 .min_qp = (avctx->qmin > 0 ? avctx->qmin : 0),
1771 .basic_unit_size = 0,
1772 #if VA_CHECK_VERSION(1, 1, 0)
1773 .ICQ_quality_factor = av_clip(rc_quality, 1, 51),
1774 .max_qp = (avctx->qmax > 0 ? avctx->qmax : 0),
1775 #endif
1776 #if VA_CHECK_VERSION(1, 3, 0)
1777 .quality_factor = rc_quality,
1778 #endif
1779 };
1780 vaapi_encode_add_global_param(avctx,
1781 VAEncMiscParameterTypeRateControl,
1782 &ctx->rc_params,
1783 sizeof(ctx->rc_params));
1784 }
1785
1786 if (rc_mode->hrd) {
1787 av_log(avctx, AV_LOG_VERBOSE, "RC buffer: %"PRId64" bits, "
1788 "initial fullness %"PRId64" bits.\n",
1789 hrd_buffer_size, hrd_initial_buffer_fullness);
1790
1791 ctx->hrd_params = (VAEncMiscParameterHRD) {
1792 .initial_buffer_fullness = hrd_initial_buffer_fullness,
1793 .buffer_size = hrd_buffer_size,
1794 };
1795 vaapi_encode_add_global_param(avctx,
1796 VAEncMiscParameterTypeHRD,
1797 &ctx->hrd_params,
1798 sizeof(ctx->hrd_params));
1799 }
1800
1801 if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
1802 av_reduce(&fr_num, &fr_den,
1803 avctx->framerate.num, avctx->framerate.den, 65535);
1804 else
1805 av_reduce(&fr_num, &fr_den,
1806 avctx->time_base.den, avctx->time_base.num, 65535);
1807
1808 av_log(avctx, AV_LOG_VERBOSE, "RC framerate: %d/%d (%.2f fps).\n",
1809 fr_num, fr_den, (double)fr_num / fr_den);
1810
1811 ctx->fr_params = (VAEncMiscParameterFrameRate) {
1812 .framerate = (unsigned int)fr_den << 16 | fr_num,
1813 };
1814 #if VA_CHECK_VERSION(0, 40, 0)
1815 vaapi_encode_add_global_param(avctx,
1816 VAEncMiscParameterTypeFrameRate,
1817 &ctx->fr_params,
1818 sizeof(ctx->fr_params));
1819 #endif
1820
1821 return 0;
1822 }
1823
1824 static av_cold int vaapi_encode_init_gop_structure(AVCodecContext *avctx)
1825 {
1826 VAAPIEncodeContext *ctx = avctx->priv_data;
1827 VAStatus vas;
1828 VAConfigAttrib attr = { VAConfigAttribEncMaxRefFrames };
1829 uint32_t ref_l0, ref_l1;
1830
1831 vas = vaGetConfigAttributes(ctx->hwctx->display,
1832 ctx->va_profile,
1833 ctx->va_entrypoint,
1834 &attr, 1);
1835 if (vas != VA_STATUS_SUCCESS) {
1836 av_log(avctx, AV_LOG_ERROR, "Failed to query reference frames "
1837 "attribute: %d (%s).\n", vas, vaErrorStr(vas));
1838 return AVERROR_EXTERNAL;
1839 }
1840
1841 if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1842 ref_l0 = ref_l1 = 0;
1843 } else {
1844 ref_l0 = attr.value & 0xffff;
1845 ref_l1 = attr.value >> 16 & 0xffff;
1846 }
1847
1848 if (ctx->codec->flags & FLAG_INTRA_ONLY ||
1849 avctx->gop_size <= 1) {
1850 av_log(avctx, AV_LOG_VERBOSE, "Using intra frames only.\n");
1851 ctx->gop_size = 1;
1852 } else if (ref_l0 < 1) {
1853 av_log(avctx, AV_LOG_ERROR, "Driver does not support any "
1854 "reference frames.\n");
1855 return AVERROR(EINVAL);
1856 } else if (!(ctx->codec->flags & FLAG_B_PICTURES) ||
1857 ref_l1 < 1 || avctx->max_b_frames < 1) {
1858 av_log(avctx, AV_LOG_VERBOSE, "Using intra and P-frames "
1859 "(supported references: %d / %d).\n", ref_l0, ref_l1);
1860 ctx->gop_size = avctx->gop_size;
1861 ctx->p_per_i = INT_MAX;
1862 ctx->b_per_p = 0;
1863 } else {
1864 av_log(avctx, AV_LOG_VERBOSE, "Using intra, P- and B-frames "
1865 "(supported references: %d / %d).\n", ref_l0, ref_l1);
1866 ctx->gop_size = avctx->gop_size;
1867 ctx->p_per_i = INT_MAX;
1868 ctx->b_per_p = avctx->max_b_frames;
1869 if (ctx->codec->flags & FLAG_B_PICTURE_REFERENCES) {
1870 ctx->max_b_depth = FFMIN(ctx->desired_b_depth,
1871 av_log2(ctx->b_per_p) + 1);
1872 } else {
1873 ctx->max_b_depth = 1;
1874 }
1875 }
1876
1877 if (ctx->codec->flags & FLAG_NON_IDR_KEY_PICTURES) {
1878 ctx->closed_gop = !!(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
1879 ctx->gop_per_idr = ctx->idr_interval + 1;
1880 } else {
1881 ctx->closed_gop = 1;
1882 ctx->gop_per_idr = 1;
1883 }
1884
1885 return 0;
1886 }
1887
1888 static av_cold int vaapi_encode_init_row_slice_structure(AVCodecContext *avctx,
1889 uint32_t slice_structure)
1890 {
1891 VAAPIEncodeContext *ctx = avctx->priv_data;
1892 int req_slices;
1893
1894 // For fixed-size slices currently we only support whole rows, making
1895 // rectangular slices. This could be extended to arbitrary runs of
1896 // blocks, but since slices tend to be a conformance requirement and
1897 // most cases (such as broadcast or bluray) want rectangular slices
1898 // only it would need to be gated behind another option.
1899 if (avctx->slices > ctx->slice_block_rows) {
1900 av_log(avctx, AV_LOG_WARNING, "Not enough rows to use "
1901 "configured number of slices (%d < %d); using "
1902 "maximum.\n", ctx->slice_block_rows, avctx->slices);
1903 req_slices = ctx->slice_block_rows;
1904 } else {
1905 req_slices = avctx->slices;
1906 }
1907 if (slice_structure & VA_ENC_SLICE_STRUCTURE_ARBITRARY_ROWS ||
1908 slice_structure & VA_ENC_SLICE_STRUCTURE_ARBITRARY_MACROBLOCKS) {
1909 ctx->nb_slices = req_slices;
1910 ctx->slice_size = ctx->slice_block_rows / ctx->nb_slices;
1911 } else if (slice_structure & VA_ENC_SLICE_STRUCTURE_POWER_OF_TWO_ROWS) {
1912 int k;
1913 for (k = 1;; k *= 2) {
1914 if (2 * k * (req_slices - 1) + 1 >= ctx->slice_block_rows)
1915 break;
1916 }
1917 ctx->nb_slices = (ctx->slice_block_rows + k - 1) / k;
1918 ctx->slice_size = k;
1919 #if VA_CHECK_VERSION(1, 0, 0)
1920 } else if (slice_structure & VA_ENC_SLICE_STRUCTURE_EQUAL_ROWS) {
1921 ctx->nb_slices = ctx->slice_block_rows;
1922 ctx->slice_size = 1;
1923 #endif
1924 } else {
1925 av_log(avctx, AV_LOG_ERROR, "Driver does not support any usable "
1926 "slice structure modes (%#x).\n", slice_structure);
1927 return AVERROR(EINVAL);
1928 }
1929
1930 return 0;
1931 }
1932
1933 static av_cold int vaapi_encode_init_tile_slice_structure(AVCodecContext *avctx,
1934 uint32_t slice_structure)
1935 {
1936 VAAPIEncodeContext *ctx = avctx->priv_data;
1937 int i, req_tiles;
1938
1939 if (!(slice_structure & VA_ENC_SLICE_STRUCTURE_ARBITRARY_MACROBLOCKS ||
1940 (slice_structure & VA_ENC_SLICE_STRUCTURE_ARBITRARY_ROWS &&
1941 ctx->tile_cols == 1))) {
1942 av_log(avctx, AV_LOG_ERROR, "Supported slice structure (%#x) doesn't work for "
1943 "current tile requirement.\n", slice_structure);
1944 return AVERROR(EINVAL);
1945 }
1946
1947 if (ctx->tile_rows > ctx->slice_block_rows ||
1948 ctx->tile_cols > ctx->slice_block_cols) {
1949 av_log(avctx, AV_LOG_WARNING, "Not enough block rows/cols (%d x %d) "
1950 "for configured number of tile (%d x %d); ",
1951 ctx->slice_block_rows, ctx->slice_block_cols,
1952 ctx->tile_rows, ctx->tile_cols);
1953 ctx->tile_rows = ctx->tile_rows > ctx->slice_block_rows ?
1954 ctx->slice_block_rows : ctx->tile_rows;
1955 ctx->tile_cols = ctx->tile_cols > ctx->slice_block_cols ?
1956 ctx->slice_block_cols : ctx->tile_cols;
1957 av_log(avctx, AV_LOG_WARNING, "using allowed maximum (%d x %d).\n",
1958 ctx->tile_rows, ctx->tile_cols);
1959 }
1960
1961 req_tiles = ctx->tile_rows * ctx->tile_cols;
1962
1963 // Tile slice is not allowed to cross the boundary of a tile due to
1964 // the constraints of media-driver. Currently we support one slice
1965 // per tile. This could be extended to multiple slices per tile.
1966 if (avctx->slices != req_tiles)
1967 av_log(avctx, AV_LOG_WARNING, "The number of requested slices "
1968 "mismatches with configured number of tile (%d != %d); "
1969 "using requested tile number for slice.\n",
1970 avctx->slices, req_tiles);
1971
1972 ctx->nb_slices = req_tiles;
1973
1974 // Default in uniform spacing
1975 // 6-3, 6-5
1976 for (i = 0; i < ctx->tile_cols; i++) {
1977 ctx->col_width[i] = ( i + 1 ) * ctx->slice_block_cols / ctx->tile_cols -
1978 i * ctx->slice_block_cols / ctx->tile_cols;
1979 ctx->col_bd[i + 1] = ctx->col_bd[i] + ctx->col_width[i];
1980 }
1981 // 6-4, 6-6
1982 for (i = 0; i < ctx->tile_rows; i++) {
1983 ctx->row_height[i] = ( i + 1 ) * ctx->slice_block_rows / ctx->tile_rows -
1984 i * ctx->slice_block_rows / ctx->tile_rows;
1985 ctx->row_bd[i + 1] = ctx->row_bd[i] + ctx->row_height[i];
1986 }
1987
1988 av_log(avctx, AV_LOG_VERBOSE, "Encoding pictures with %d x %d tile.\n",
1989 ctx->tile_rows, ctx->tile_cols);
1990
1991 return 0;
1992 }
1993
1994 static av_cold int vaapi_encode_init_slice_structure(AVCodecContext *avctx)
1995 {
1996 VAAPIEncodeContext *ctx = avctx->priv_data;
1997 VAConfigAttrib attr[3] = { { VAConfigAttribEncMaxSlices },
1998 { VAConfigAttribEncSliceStructure },
1999 #if VA_CHECK_VERSION(1, 1, 0)
2000 { VAConfigAttribEncTileSupport },
2001 #endif
2002 };
2003 VAStatus vas;
2004 uint32_t max_slices, slice_structure;
2005 int ret;
2006
2007 if (!(ctx->codec->flags & FLAG_SLICE_CONTROL)) {
2008 if (avctx->slices > 0) {
2009 av_log(avctx, AV_LOG_WARNING, "Multiple slices were requested "
2010 "but this codec does not support controlling slices.\n");
2011 }
2012 return 0;
2013 }
2014
2015 ctx->slice_block_rows = (avctx->height + ctx->slice_block_height - 1) /
2016 ctx->slice_block_height;
2017 ctx->slice_block_cols = (avctx->width + ctx->slice_block_width - 1) /
2018 ctx->slice_block_width;
2019
2020 if (avctx->slices <= 1 && !ctx->tile_rows && !ctx->tile_cols) {
2021 ctx->nb_slices = 1;
2022 ctx->slice_size = ctx->slice_block_rows;
2023 return 0;
2024 }
2025
2026 vas = vaGetConfigAttributes(ctx->hwctx->display,
2027 ctx->va_profile,
2028 ctx->va_entrypoint,
2029 attr, FF_ARRAY_ELEMS(attr));
2030 if (vas != VA_STATUS_SUCCESS) {
2031 av_log(avctx, AV_LOG_ERROR, "Failed to query slice "
2032 "attributes: %d (%s).\n", vas, vaErrorStr(vas));
2033 return AVERROR_EXTERNAL;
2034 }
2035 max_slices = attr[0].value;
2036 slice_structure = attr[1].value;
2037 if (max_slices == VA_ATTRIB_NOT_SUPPORTED ||
2038 slice_structure == VA_ATTRIB_NOT_SUPPORTED) {
2039 av_log(avctx, AV_LOG_ERROR, "Driver does not support encoding "
2040 "pictures as multiple slices.\n.");
2041 return AVERROR(EINVAL);
2042 }
2043
2044 if (ctx->tile_rows && ctx->tile_cols) {
2045 #if VA_CHECK_VERSION(1, 1, 0)
2046 uint32_t tile_support = attr[2].value;
2047 if (tile_support == VA_ATTRIB_NOT_SUPPORTED) {
2048 av_log(avctx, AV_LOG_ERROR, "Driver does not support encoding "
2049 "pictures as multiple tiles.\n.");
2050 return AVERROR(EINVAL);
2051 }
2052 #else
2053 av_log(avctx, AV_LOG_ERROR, "Tile encoding option is "
2054 "not supported with this VAAPI version.\n");
2055 return AVERROR(EINVAL);
2056 #endif
2057 }
2058
2059 if (ctx->tile_rows && ctx->tile_cols)
2060 ret = vaapi_encode_init_tile_slice_structure(avctx, slice_structure);
2061 else
2062 ret = vaapi_encode_init_row_slice_structure(avctx, slice_structure);
2063 if (ret < 0)
2064 return ret;
2065
2066 if (ctx->nb_slices > avctx->slices) {
2067 av_log(avctx, AV_LOG_WARNING, "Slice count rounded up to "
2068 "%d (from %d) due to driver constraints on slice "
2069 "structure.\n", ctx->nb_slices, avctx->slices);
2070 }
2071 if (ctx->nb_slices > max_slices) {
2072 av_log(avctx, AV_LOG_ERROR, "Driver does not support "
2073 "encoding with %d slices (max %"PRIu32").\n",
2074 ctx->nb_slices, max_slices);
2075 return AVERROR(EINVAL);
2076 }
2077
2078 av_log(avctx, AV_LOG_VERBOSE, "Encoding pictures with %d slices.\n",
2079 ctx->nb_slices);
2080 return 0;
2081 }
2082
2083 static av_cold int vaapi_encode_init_packed_headers(AVCodecContext *avctx)
2084 {
2085 VAAPIEncodeContext *ctx = avctx->priv_data;
2086 VAStatus vas;
2087 VAConfigAttrib attr = { VAConfigAttribEncPackedHeaders };
2088
2089 vas = vaGetConfigAttributes(ctx->hwctx->display,
2090 ctx->va_profile,
2091 ctx->va_entrypoint,
2092 &attr, 1);
2093 if (vas != VA_STATUS_SUCCESS) {
2094 av_log(avctx, AV_LOG_ERROR, "Failed to query packed headers "
2095 "attribute: %d (%s).\n", vas, vaErrorStr(vas));
2096 return AVERROR_EXTERNAL;
2097 }
2098
2099 if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
2100 if (ctx->desired_packed_headers) {
2101 av_log(avctx, AV_LOG_WARNING, "Driver does not support any "
2102 "packed headers (wanted %#x).\n",
2103 ctx->desired_packed_headers);
2104 } else {
2105 av_log(avctx, AV_LOG_VERBOSE, "Driver does not support any "
2106 "packed headers (none wanted).\n");
2107 }
2108 ctx->va_packed_headers = 0;
2109 } else {
2110 if (ctx->desired_packed_headers & ~attr.value) {
2111 av_log(avctx, AV_LOG_WARNING, "Driver does not support some "
2112 "wanted packed headers (wanted %#x, found %#x).\n",
2113 ctx->desired_packed_headers, attr.value);
2114 } else {
2115 av_log(avctx, AV_LOG_VERBOSE, "All wanted packed headers "
2116 "available (wanted %#x, found %#x).\n",
2117 ctx->desired_packed_headers, attr.value);
2118 }
2119 ctx->va_packed_headers = ctx->desired_packed_headers & attr.value;
2120 }
2121
2122 if (ctx->va_packed_headers) {
2123 ctx->config_attributes[ctx->nb_config_attributes++] =
2124 (VAConfigAttrib) {
2125 .type = VAConfigAttribEncPackedHeaders,
2126 .value = ctx->va_packed_headers,
2127 };
2128 }
2129
2130 if ( (ctx->desired_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE) &&
2131 !(ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE) &&
2132 (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)) {
2133 av_log(avctx, AV_LOG_WARNING, "Driver does not support packed "
2134 "sequence headers, but a global header is requested.\n");
2135 av_log(avctx, AV_LOG_WARNING, "No global header will be written: "
2136 "this may result in a stream which is not usable for some "
2137 "purposes (e.g. not muxable to some containers).\n");
2138 }
2139
2140 return 0;
2141 }
2142
2143 static av_cold int vaapi_encode_init_quality(AVCodecContext *avctx)
2144 {
2145 #if VA_CHECK_VERSION(0, 36, 0)
2146 VAAPIEncodeContext *ctx = avctx->priv_data;
2147 VAStatus vas;
2148 VAConfigAttrib attr = { VAConfigAttribEncQualityRange };
2149 int quality = avctx->compression_level;
2150
2151 vas = vaGetConfigAttributes(ctx->hwctx->display,
2152 ctx->va_profile,
2153 ctx->va_entrypoint,
2154 &attr, 1);
2155 if (vas != VA_STATUS_SUCCESS) {
2156 av_log(avctx, AV_LOG_ERROR, "Failed to query quality "
2157 "config attribute: %d (%s).\n", vas, vaErrorStr(vas));
2158 return AVERROR_EXTERNAL;
2159 }
2160
2161 if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
2162 if (quality != 0) {
2163 av_log(avctx, AV_LOG_WARNING, "Quality attribute is not "
2164 "supported: will use default quality level.\n");
2165 }
2166 } else {
2167 if (quality > attr.value) {
2168 av_log(avctx, AV_LOG_WARNING, "Invalid quality level: "
2169 "valid range is 0-%d, using %d.\n",
2170 attr.value, attr.value);
2171 quality = attr.value;
2172 }
2173
2174 ctx->quality_params = (VAEncMiscParameterBufferQualityLevel) {
2175 .quality_level = quality,
2176 };
2177 vaapi_encode_add_global_param(avctx,
2178 VAEncMiscParameterTypeQualityLevel,
2179 &ctx->quality_params,
2180 sizeof(ctx->quality_params));
2181 }
2182 #else
2183 av_log(avctx, AV_LOG_WARNING, "The encode quality option is "
2184 "not supported with this VAAPI version.\n");
2185 #endif
2186
2187 return 0;
2188 }
2189
2190 static av_cold int vaapi_encode_init_roi(AVCodecContext *avctx)
2191 {
2192 #if VA_CHECK_VERSION(1, 0, 0)
2193 VAAPIEncodeContext *ctx = avctx->priv_data;
2194 VAStatus vas;
2195 VAConfigAttrib attr = { VAConfigAttribEncROI };
2196
2197 vas = vaGetConfigAttributes(ctx->hwctx->display,
2198 ctx->va_profile,
2199 ctx->va_entrypoint,
2200 &attr, 1);
2201 if (vas != VA_STATUS_SUCCESS) {
2202 av_log(avctx, AV_LOG_ERROR, "Failed to query ROI "
2203 "config attribute: %d (%s).\n", vas, vaErrorStr(vas));
2204 return AVERROR_EXTERNAL;
2205 }
2206
2207 if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
2208 ctx->roi_allowed = 0;
2209 } else {
2210 VAConfigAttribValEncROI roi = {
2211 .value = attr.value,
2212 };
2213
2214 ctx->roi_max_regions = roi.bits.num_roi_regions;
2215 ctx->roi_allowed = ctx->roi_max_regions > 0 &&
2216 (ctx->va_rc_mode == VA_RC_CQP ||
2217 roi.bits.roi_rc_qp_delta_support);
2218 }
2219 #endif
2220 return 0;
2221 }
2222
2223 static void vaapi_encode_free_output_buffer(void *opaque,
2224 uint8_t *data)
2225 {
2226 AVCodecContext *avctx = opaque;
2227 VAAPIEncodeContext *ctx = avctx->priv_data;
2228 VABufferID buffer_id;
2229
2230 buffer_id = (VABufferID)(uintptr_t)data;
2231
2232 vaDestroyBuffer(ctx->hwctx->display, buffer_id);
2233
2234 av_log(avctx, AV_LOG_DEBUG, "Freed output buffer %#x\n", buffer_id);
2235 }
2236
2237 static AVBufferRef *vaapi_encode_alloc_output_buffer(void *opaque,
2238 size_t size)
2239 {
2240 AVCodecContext *avctx = opaque;
2241 VAAPIEncodeContext *ctx = avctx->priv_data;
2242 VABufferID buffer_id;
2243 VAStatus vas;
2244 AVBufferRef *ref;
2245
2246 // The output buffer size is fixed, so it needs to be large enough
2247 // to hold the largest possible compressed frame. We assume here
2248 // that the uncompressed frame plus some header data is an upper
2249 // bound on that.
2250 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
2251 VAEncCodedBufferType,
2252 3 * ctx->surface_width * ctx->surface_height +
2253 (1 << 16), 1, 0, &buffer_id);
2254 if (vas != VA_STATUS_SUCCESS) {
2255 av_log(avctx, AV_LOG_ERROR, "Failed to create bitstream "
2256 "output buffer: %d (%s).\n", vas, vaErrorStr(vas));
2257 return NULL;
2258 }
2259
2260 av_log(avctx, AV_LOG_DEBUG, "Allocated output buffer %#x\n", buffer_id);
2261
2262 ref = av_buffer_create((uint8_t*)(uintptr_t)buffer_id,
2263 sizeof(buffer_id),
2264 &vaapi_encode_free_output_buffer,
2265 avctx, AV_BUFFER_FLAG_READONLY);
2266 if (!ref) {
2267 vaDestroyBuffer(ctx->hwctx->display, buffer_id);
2268 return NULL;
2269 }
2270
2271 return ref;
2272 }
2273
2274 static av_cold int vaapi_encode_create_recon_frames(AVCodecContext *avctx)
2275 {
2276 VAAPIEncodeContext *ctx = avctx->priv_data;
2277 AVVAAPIHWConfig *hwconfig = NULL;
2278 AVHWFramesConstraints *constraints = NULL;
2279 enum AVPixelFormat recon_format;
2280 int err, i;
2281
2282 hwconfig = av_hwdevice_hwconfig_alloc(ctx->device_ref);
2283 if (!hwconfig) {
2284 err = AVERROR(ENOMEM);
2285 goto fail;
2286 }
2287 hwconfig->config_id = ctx->va_config;
2288
2289 constraints = av_hwdevice_get_hwframe_constraints(ctx->device_ref,
2290 hwconfig);
2291 if (!constraints) {
2292 err = AVERROR(ENOMEM);
2293 goto fail;
2294 }
2295
2296 // Probably we can use the input surface format as the surface format
2297 // of the reconstructed frames. If not, we just pick the first (only?)
2298 // format in the valid list and hope that it all works.
2299 recon_format = AV_PIX_FMT_NONE;
2300 if (constraints->valid_sw_formats) {
2301 for (i = 0; constraints->valid_sw_formats[i] != AV_PIX_FMT_NONE; i++) {
2302 if (ctx->input_frames->sw_format ==
2303 constraints->valid_sw_formats[i]) {
2304 recon_format = ctx->input_frames->sw_format;
2305 break;
2306 }
2307 }
2308 if (recon_format == AV_PIX_FMT_NONE) {
2309 // No match. Just use the first in the supported list and
2310 // hope for the best.
2311 recon_format = constraints->valid_sw_formats[0];
2312 }
2313 } else {
2314 // No idea what to use; copy input format.
2315 recon_format = ctx->input_frames->sw_format;
2316 }
2317 av_log(avctx, AV_LOG_DEBUG, "Using %s as format of "
2318 "reconstructed frames.\n", av_get_pix_fmt_name(recon_format));
2319
2320 if (ctx->surface_width < constraints->min_width ||
2321 ctx->surface_height < constraints->min_height ||
2322 ctx->surface_width > constraints->max_width ||
2323 ctx->surface_height > constraints->max_height) {
2324 av_log(avctx, AV_LOG_ERROR, "Hardware does not support encoding at "
2325 "size %dx%d (constraints: width %d-%d height %d-%d).\n",
2326 ctx->surface_width, ctx->surface_height,
2327 constraints->min_width, constraints->max_width,
2328 constraints->min_height, constraints->max_height);
2329 err = AVERROR(EINVAL);
2330 goto fail;
2331 }
2332
2333 av_freep(&hwconfig);
2334 av_hwframe_constraints_free(&constraints);
2335
2336 ctx->recon_frames_ref = av_hwframe_ctx_alloc(ctx->device_ref);
2337 if (!ctx->recon_frames_ref) {
2338 err = AVERROR(ENOMEM);
2339 goto fail;
2340 }
2341 ctx->recon_frames = (AVHWFramesContext*)ctx->recon_frames_ref->data;
2342
2343 ctx->recon_frames->format = AV_PIX_FMT_VAAPI;
2344 ctx->recon_frames->sw_format = recon_format;
2345 ctx->recon_frames->width = ctx->surface_width;
2346 ctx->recon_frames->height = ctx->surface_height;
2347
2348 err = av_hwframe_ctx_init(ctx->recon_frames_ref);
2349 if (err < 0) {
2350 av_log(avctx, AV_LOG_ERROR, "Failed to initialise reconstructed "
2351 "frame context: %d.\n", err);
2352 goto fail;
2353 }
2354
2355 err = 0;
2356 fail:
2357 av_freep(&hwconfig);
2358 av_hwframe_constraints_free(&constraints);
2359 return err;
2360 }
2361
2362 av_cold int ff_vaapi_encode_init(AVCodecContext *avctx)
2363 {
2364 VAAPIEncodeContext *ctx = avctx->priv_data;
2365 AVVAAPIFramesContext *recon_hwctx = NULL;
2366 VAStatus vas;
2367 int err;
2368
2369 ctx->frame = av_frame_alloc();
2370 if (!ctx->frame) {
2371 return AVERROR(ENOMEM);
2372 }
2373
2374 if (!avctx->hw_frames_ctx) {
2375 av_log(avctx, AV_LOG_ERROR, "A hardware frames reference is "
2376 "required to associate the encoding device.\n");
2377 return AVERROR(EINVAL);
2378 }
2379
2380 ctx->va_config = VA_INVALID_ID;
2381 ctx->va_context = VA_INVALID_ID;
2382
2383 ctx->input_frames_ref = av_buffer_ref(avctx->hw_frames_ctx);
2384 if (!ctx->input_frames_ref) {
2385 err = AVERROR(ENOMEM);
2386 goto fail;
2387 }
2388 ctx->input_frames = (AVHWFramesContext*)ctx->input_frames_ref->data;
2389
2390 ctx->device_ref = av_buffer_ref(ctx->input_frames->device_ref);
2391 if (!ctx->device_ref) {
2392 err = AVERROR(ENOMEM);
2393 goto fail;
2394 }
2395 ctx->device = (AVHWDeviceContext*)ctx->device_ref->data;
2396 ctx->hwctx = ctx->device->hwctx;
2397
2398 err = vaapi_encode_profile_entrypoint(avctx);
2399 if (err < 0)
2400 goto fail;
2401
2402 err = vaapi_encode_init_rate_control(avctx);
2403 if (err < 0)
2404 goto fail;
2405
2406 err = vaapi_encode_init_gop_structure(avctx);
2407 if (err < 0)
2408 goto fail;
2409
2410 err = vaapi_encode_init_slice_structure(avctx);
2411 if (err < 0)
2412 goto fail;
2413
2414 err = vaapi_encode_init_packed_headers(avctx);
2415 if (err < 0)
2416 goto fail;
2417
2418 err = vaapi_encode_init_roi(avctx);
2419 if (err < 0)
2420 goto fail;
2421
2422 if (avctx->compression_level >= 0) {
2423 err = vaapi_encode_init_quality(avctx);
2424 if (err < 0)
2425 goto fail;
2426 }
2427
2428 vas = vaCreateConfig(ctx->hwctx->display,
2429 ctx->va_profile, ctx->va_entrypoint,
2430 ctx->config_attributes, ctx->nb_config_attributes,
2431 &ctx->va_config);
2432 if (vas != VA_STATUS_SUCCESS) {
2433 av_log(avctx, AV_LOG_ERROR, "Failed to create encode pipeline "
2434 "configuration: %d (%s).\n", vas, vaErrorStr(vas));
2435 err = AVERROR(EIO);
2436 goto fail;
2437 }
2438
2439 err = vaapi_encode_create_recon_frames(avctx);
2440 if (err < 0)
2441 goto fail;
2442
2443 recon_hwctx = ctx->recon_frames->hwctx;
2444 vas = vaCreateContext(ctx->hwctx->display, ctx->va_config,
2445 ctx->surface_width, ctx->surface_height,
2446 VA_PROGRESSIVE,
2447 recon_hwctx->surface_ids,
2448 recon_hwctx->nb_surfaces,
2449 &ctx->va_context);
2450 if (vas != VA_STATUS_SUCCESS) {
2451 av_log(avctx, AV_LOG_ERROR, "Failed to create encode pipeline "
2452 "context: %d (%s).\n", vas, vaErrorStr(vas));
2453 err = AVERROR(EIO);
2454 goto fail;
2455 }
2456
2457 ctx->output_buffer_pool =
2458 av_buffer_pool_init2(sizeof(VABufferID), avctx,
2459 &vaapi_encode_alloc_output_buffer, NULL);
2460 if (!ctx->output_buffer_pool) {
2461 err = AVERROR(ENOMEM);
2462 goto fail;
2463 }
2464
2465 if (ctx->codec->configure) {
2466 err = ctx->codec->configure(avctx);
2467 if (err < 0)
2468 goto fail;
2469 }
2470
2471 ctx->output_delay = ctx->b_per_p;
2472 ctx->decode_delay = ctx->max_b_depth;
2473
2474 if (ctx->codec->sequence_params_size > 0) {
2475 ctx->codec_sequence_params =
2476 av_mallocz(ctx->codec->sequence_params_size);
2477 if (!ctx->codec_sequence_params) {
2478 err = AVERROR(ENOMEM);
2479 goto fail;
2480 }
2481 }
2482 if (ctx->codec->picture_params_size > 0) {
2483 ctx->codec_picture_params =
2484 av_mallocz(ctx->codec->picture_params_size);
2485 if (!ctx->codec_picture_params) {
2486 err = AVERROR(ENOMEM);
2487 goto fail;
2488 }
2489 }
2490
2491 if (ctx->codec->init_sequence_params) {
2492 err = ctx->codec->init_sequence_params(avctx);
2493 if (err < 0) {
2494 av_log(avctx, AV_LOG_ERROR, "Codec sequence initialisation "
2495 "failed: %d.\n", err);
2496 goto fail;
2497 }
2498 }
2499
2500 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE &&
2501 ctx->codec->write_sequence_header &&
2502 avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
2503 char data[MAX_PARAM_BUFFER_SIZE];
2504 size_t bit_len = 8 * sizeof(data);
2505
2506 err = ctx->codec->write_sequence_header(avctx, data, &bit_len);
2507 if (err < 0) {
2508 av_log(avctx, AV_LOG_ERROR, "Failed to write sequence header "
2509 "for extradata: %d.\n", err);
2510 goto fail;
2511 } else {
2512 avctx->extradata_size = (bit_len + 7) / 8;
2513 avctx->extradata = av_mallocz(avctx->extradata_size +
2514 AV_INPUT_BUFFER_PADDING_SIZE);
2515 if (!avctx->extradata) {
2516 err = AVERROR(ENOMEM);
2517 goto fail;
2518 }
2519 memcpy(avctx->extradata, data, avctx->extradata_size);
2520 }
2521 }
2522
2523 return 0;
2524
2525 fail:
2526 return err;
2527 }
2528
2529 av_cold int ff_vaapi_encode_close(AVCodecContext *avctx)
2530 {
2531 VAAPIEncodeContext *ctx = avctx->priv_data;
2532 VAAPIEncodePicture *pic, *next;
2533
2534 for (pic = ctx->pic_start; pic; pic = next) {
2535 next = pic->next;
2536 vaapi_encode_free(avctx, pic);
2537 }
2538
2539 av_buffer_pool_uninit(&ctx->output_buffer_pool);
2540
2541 if (ctx->va_context != VA_INVALID_ID) {
2542 vaDestroyContext(ctx->hwctx->display, ctx->va_context);
2543 ctx->va_context = VA_INVALID_ID;
2544 }
2545
2546 if (ctx->va_config != VA_INVALID_ID) {
2547 vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
2548 ctx->va_config = VA_INVALID_ID;
2549 }
2550
2551 av_frame_free(&ctx->frame);
2552
2553 av_freep(&ctx->codec_sequence_params);
2554 av_freep(&ctx->codec_picture_params);
2555
2556 av_buffer_unref(&ctx->recon_frames_ref);
2557 av_buffer_unref(&ctx->input_frames_ref);
2558 av_buffer_unref(&ctx->device_ref);
2559
2560 return 0;
2561 }
2562