2 * This file is part of FFmpeg.
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.
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.
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
22 #include "libavutil/avassert.h"
23 #include "libavutil/common.h"
24 #include "libavutil/log.h"
25 #include "libavutil/pixdesc.h"
27 #include "vaapi_encode.h"
30 static const char * const picture_type_name[] = { "IDR", "I", "P", "B" };
32 static int vaapi_encode_make_packed_header(AVCodecContext *avctx,
33 VAAPIEncodePicture *pic,
34 int type, char *data, size_t bit_len)
36 VAAPIEncodeContext *ctx = avctx->priv_data;
38 VABufferID param_buffer, data_buffer;
40 VAEncPackedHeaderParameterBuffer params = {
42 .bit_length = bit_len,
43 .has_emulation_bytes = 1,
46 tmp = av_realloc_array(pic->param_buffers, sizeof(*tmp), pic->nb_param_buffers + 2);
48 return AVERROR(ENOMEM);
49 pic->param_buffers = tmp;
51 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
52 VAEncPackedHeaderParameterBufferType,
53 sizeof(params), 1, ¶ms, ¶m_buffer);
54 if (vas != VA_STATUS_SUCCESS) {
55 av_log(avctx, AV_LOG_ERROR, "Failed to create parameter buffer "
56 "for packed header (type %d): %d (%s).\n",
57 type, vas, vaErrorStr(vas));
60 pic->param_buffers[pic->nb_param_buffers++] = param_buffer;
62 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
63 VAEncPackedHeaderDataBufferType,
64 (bit_len + 7) / 8, 1, data, &data_buffer);
65 if (vas != VA_STATUS_SUCCESS) {
66 av_log(avctx, AV_LOG_ERROR, "Failed to create data buffer "
67 "for packed header (type %d): %d (%s).\n",
68 type, vas, vaErrorStr(vas));
71 pic->param_buffers[pic->nb_param_buffers++] = data_buffer;
73 av_log(avctx, AV_LOG_DEBUG, "Packed header buffer (%d) is %#x/%#x "
74 "(%zu bits).\n", type, param_buffer, data_buffer, bit_len);
78 static int vaapi_encode_make_param_buffer(AVCodecContext *avctx,
79 VAAPIEncodePicture *pic,
80 int type, char *data, size_t len)
82 VAAPIEncodeContext *ctx = avctx->priv_data;
87 tmp = av_realloc_array(pic->param_buffers, sizeof(*tmp), pic->nb_param_buffers + 1);
89 return AVERROR(ENOMEM);
90 pic->param_buffers = tmp;
92 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
93 type, len, 1, data, &buffer);
94 if (vas != VA_STATUS_SUCCESS) {
95 av_log(avctx, AV_LOG_ERROR, "Failed to create parameter buffer "
96 "(type %d): %d (%s).\n", type, vas, vaErrorStr(vas));
99 pic->param_buffers[pic->nb_param_buffers++] = buffer;
101 av_log(avctx, AV_LOG_DEBUG, "Param buffer (%d) is %#x.\n",
106 static int vaapi_encode_wait(AVCodecContext *avctx,
107 VAAPIEncodePicture *pic)
109 VAAPIEncodeContext *ctx = avctx->priv_data;
112 av_assert0(pic->encode_issued);
114 if (pic->encode_complete) {
115 // Already waited for this picture.
119 av_log(avctx, AV_LOG_DEBUG, "Sync to pic %"PRId64"/%"PRId64" "
120 "(input surface %#x).\n", pic->display_order,
121 pic->encode_order, pic->input_surface);
123 vas = vaSyncSurface(ctx->hwctx->display, pic->input_surface);
124 if (vas != VA_STATUS_SUCCESS) {
125 av_log(avctx, AV_LOG_ERROR, "Failed to sync to picture completion: "
126 "%d (%s).\n", vas, vaErrorStr(vas));
130 // Input is definitely finished with now.
131 av_frame_free(&pic->input_image);
133 pic->encode_complete = 1;
137 static int vaapi_encode_issue(AVCodecContext *avctx,
138 VAAPIEncodePicture *pic)
140 VAAPIEncodeContext *ctx = avctx->priv_data;
141 VAAPIEncodeSlice *slice;
144 char data[MAX_PARAM_BUFFER_SIZE];
147 av_log(avctx, AV_LOG_DEBUG, "Issuing encode for pic %"PRId64"/%"PRId64" "
148 "as type %s.\n", pic->display_order, pic->encode_order,
149 picture_type_name[pic->type]);
150 if (pic->nb_refs == 0) {
151 av_log(avctx, AV_LOG_DEBUG, "No reference pictures.\n");
153 av_log(avctx, AV_LOG_DEBUG, "Refers to:");
154 for (i = 0; i < pic->nb_refs; i++) {
155 av_log(avctx, AV_LOG_DEBUG, " %"PRId64"/%"PRId64,
156 pic->refs[i]->display_order, pic->refs[i]->encode_order);
158 av_log(avctx, AV_LOG_DEBUG, ".\n");
161 av_assert0(pic->input_available && !pic->encode_issued);
162 for (i = 0; i < pic->nb_refs; i++) {
163 av_assert0(pic->refs[i]);
164 // If we are serialised then the references must have already
165 // completed. If not, they must have been issued but need not
166 // have completed yet.
167 if (ctx->issue_mode == ISSUE_MODE_SERIALISE_EVERYTHING)
168 av_assert0(pic->refs[i]->encode_complete);
170 av_assert0(pic->refs[i]->encode_issued);
173 av_log(avctx, AV_LOG_DEBUG, "Input surface is %#x.\n", pic->input_surface);
175 pic->recon_image = av_frame_alloc();
176 if (!pic->recon_image) {
177 err = AVERROR(ENOMEM);
181 err = av_hwframe_get_buffer(ctx->recon_frames_ref, pic->recon_image, 0);
183 err = AVERROR(ENOMEM);
186 pic->recon_surface = (VASurfaceID)(uintptr_t)pic->recon_image->data[3];
187 av_log(avctx, AV_LOG_DEBUG, "Recon surface is %#x.\n", pic->recon_surface);
189 pic->output_buffer_ref = av_buffer_pool_get(ctx->output_buffer_pool);
190 if (!pic->output_buffer_ref) {
191 err = AVERROR(ENOMEM);
194 pic->output_buffer = (VABufferID)(uintptr_t)pic->output_buffer_ref->data;
195 av_log(avctx, AV_LOG_DEBUG, "Output buffer is %#x.\n",
198 if (ctx->codec->picture_params_size > 0) {
199 pic->codec_picture_params = av_malloc(ctx->codec->picture_params_size);
200 if (!pic->codec_picture_params)
202 memcpy(pic->codec_picture_params, ctx->codec_picture_params,
203 ctx->codec->picture_params_size);
205 av_assert0(!ctx->codec_picture_params);
208 pic->nb_param_buffers = 0;
210 if (pic->encode_order == 0) {
211 // Global parameter buffers are set on the first picture only.
213 for (i = 0; i < ctx->nb_global_params; i++) {
214 err = vaapi_encode_make_param_buffer(avctx, pic,
215 VAEncMiscParameterBufferType,
216 (char*)ctx->global_params[i],
217 ctx->global_params_size[i]);
223 if (pic->type == PICTURE_TYPE_IDR && ctx->codec->init_sequence_params) {
224 err = vaapi_encode_make_param_buffer(avctx, pic,
225 VAEncSequenceParameterBufferType,
226 ctx->codec_sequence_params,
227 ctx->codec->sequence_params_size);
232 if (ctx->codec->init_picture_params) {
233 err = ctx->codec->init_picture_params(avctx, pic);
235 av_log(avctx, AV_LOG_ERROR, "Failed to initialise picture "
236 "parameters: %d.\n", err);
239 err = vaapi_encode_make_param_buffer(avctx, pic,
240 VAEncPictureParameterBufferType,
241 pic->codec_picture_params,
242 ctx->codec->picture_params_size);
247 if (pic->type == PICTURE_TYPE_IDR) {
248 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE &&
249 ctx->codec->write_sequence_header) {
250 bit_len = 8 * sizeof(data);
251 err = ctx->codec->write_sequence_header(avctx, data, &bit_len);
253 av_log(avctx, AV_LOG_ERROR, "Failed to write per-sequence "
254 "header: %d.\n", err);
257 err = vaapi_encode_make_packed_header(avctx, pic,
258 ctx->codec->sequence_header_type,
265 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_PICTURE &&
266 ctx->codec->write_picture_header) {
267 bit_len = 8 * sizeof(data);
268 err = ctx->codec->write_picture_header(avctx, pic, data, &bit_len);
270 av_log(avctx, AV_LOG_ERROR, "Failed to write per-picture "
271 "header: %d.\n", err);
274 err = vaapi_encode_make_packed_header(avctx, pic,
275 ctx->codec->picture_header_type,
281 if (ctx->codec->write_extra_buffer) {
283 size_t len = sizeof(data);
285 err = ctx->codec->write_extra_buffer(avctx, pic, i, &type,
287 if (err == AVERROR_EOF)
290 av_log(avctx, AV_LOG_ERROR, "Failed to write extra "
291 "buffer %d: %d.\n", i, err);
295 err = vaapi_encode_make_param_buffer(avctx, pic, type,
302 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_MISC &&
303 ctx->codec->write_extra_header) {
306 bit_len = 8 * sizeof(data);
307 err = ctx->codec->write_extra_header(avctx, pic, i, &type,
309 if (err == AVERROR_EOF)
312 av_log(avctx, AV_LOG_ERROR, "Failed to write extra "
313 "header %d: %d.\n", i, err);
317 err = vaapi_encode_make_packed_header(avctx, pic, type,
324 if (pic->nb_slices > 0) {
325 pic->slices = av_mallocz_array(pic->nb_slices, sizeof(*pic->slices));
327 err = AVERROR(ENOMEM);
331 for (i = 0; i < pic->nb_slices; i++) {
332 slice = &pic->slices[i];
335 if (ctx->codec->slice_params_size > 0) {
336 slice->codec_slice_params = av_mallocz(ctx->codec->slice_params_size);
337 if (!slice->codec_slice_params) {
338 err = AVERROR(ENOMEM);
343 if (ctx->codec->init_slice_params) {
344 err = ctx->codec->init_slice_params(avctx, pic, slice);
346 av_log(avctx, AV_LOG_ERROR, "Failed to initialise slice "
347 "parameters: %d.\n", err);
352 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SLICE &&
353 ctx->codec->write_slice_header) {
354 bit_len = 8 * sizeof(data);
355 err = ctx->codec->write_slice_header(avctx, pic, slice,
358 av_log(avctx, AV_LOG_ERROR, "Failed to write per-slice "
359 "header: %d.\n", err);
362 err = vaapi_encode_make_packed_header(avctx, pic,
363 ctx->codec->slice_header_type,
369 if (ctx->codec->init_slice_params) {
370 err = vaapi_encode_make_param_buffer(avctx, pic,
371 VAEncSliceParameterBufferType,
372 slice->codec_slice_params,
373 ctx->codec->slice_params_size);
379 vas = vaBeginPicture(ctx->hwctx->display, ctx->va_context,
381 if (vas != VA_STATUS_SUCCESS) {
382 av_log(avctx, AV_LOG_ERROR, "Failed to begin picture encode issue: "
383 "%d (%s).\n", vas, vaErrorStr(vas));
385 goto fail_with_picture;
388 vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
389 pic->param_buffers, pic->nb_param_buffers);
390 if (vas != VA_STATUS_SUCCESS) {
391 av_log(avctx, AV_LOG_ERROR, "Failed to upload encode parameters: "
392 "%d (%s).\n", vas, vaErrorStr(vas));
394 goto fail_with_picture;
397 vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
398 if (vas != VA_STATUS_SUCCESS) {
399 av_log(avctx, AV_LOG_ERROR, "Failed to end picture encode issue: "
400 "%d (%s).\n", vas, vaErrorStr(vas));
402 // vaRenderPicture() has been called here, so we should not destroy
403 // the parameter buffers unless separate destruction is required.
404 if (CONFIG_VAAPI_1 || ctx->hwctx->driver_quirks &
405 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS)
411 if (CONFIG_VAAPI_1 || ctx->hwctx->driver_quirks &
412 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS) {
413 for (i = 0; i < pic->nb_param_buffers; i++) {
414 vas = vaDestroyBuffer(ctx->hwctx->display,
415 pic->param_buffers[i]);
416 if (vas != VA_STATUS_SUCCESS) {
417 av_log(avctx, AV_LOG_ERROR, "Failed to destroy "
418 "param buffer %#x: %d (%s).\n",
419 pic->param_buffers[i], vas, vaErrorStr(vas));
425 pic->encode_issued = 1;
427 if (ctx->issue_mode == ISSUE_MODE_SERIALISE_EVERYTHING)
428 return vaapi_encode_wait(avctx, pic);
433 vaEndPicture(ctx->hwctx->display, ctx->va_context);
435 for(i = 0; i < pic->nb_param_buffers; i++)
436 vaDestroyBuffer(ctx->hwctx->display, pic->param_buffers[i]);
437 for (i = 0; i < pic->nb_slices; i++) {
439 av_freep(&pic->slices[i].priv_data);
440 av_freep(&pic->slices[i].codec_slice_params);
444 av_freep(&pic->codec_picture_params);
445 av_freep(&pic->param_buffers);
446 av_freep(&pic->slices);
447 av_frame_free(&pic->recon_image);
448 av_buffer_unref(&pic->output_buffer_ref);
449 pic->output_buffer = VA_INVALID_ID;
453 static int vaapi_encode_output(AVCodecContext *avctx,
454 VAAPIEncodePicture *pic, AVPacket *pkt)
456 VAAPIEncodeContext *ctx = avctx->priv_data;
457 VACodedBufferSegment *buf_list, *buf;
461 err = vaapi_encode_wait(avctx, pic);
466 vas = vaMapBuffer(ctx->hwctx->display, pic->output_buffer,
468 if (vas != VA_STATUS_SUCCESS) {
469 av_log(avctx, AV_LOG_ERROR, "Failed to map output buffers: "
470 "%d (%s).\n", vas, vaErrorStr(vas));
475 for (buf = buf_list; buf; buf = buf->next) {
476 av_log(avctx, AV_LOG_DEBUG, "Output buffer: %u bytes "
477 "(status %08x).\n", buf->size, buf->status);
479 err = av_new_packet(pkt, buf->size);
483 memcpy(pkt->data, buf->buf, buf->size);
486 if (pic->type == PICTURE_TYPE_IDR)
487 pkt->flags |= AV_PKT_FLAG_KEY;
491 vas = vaUnmapBuffer(ctx->hwctx->display, pic->output_buffer);
492 if (vas != VA_STATUS_SUCCESS) {
493 av_log(avctx, AV_LOG_ERROR, "Failed to unmap output buffers: "
494 "%d (%s).\n", vas, vaErrorStr(vas));
499 av_buffer_unref(&pic->output_buffer_ref);
500 pic->output_buffer = VA_INVALID_ID;
502 av_log(avctx, AV_LOG_DEBUG, "Output read for pic %"PRId64"/%"PRId64".\n",
503 pic->display_order, pic->encode_order);
507 vaUnmapBuffer(ctx->hwctx->display, pic->output_buffer);
509 av_buffer_unref(&pic->output_buffer_ref);
510 pic->output_buffer = VA_INVALID_ID;
514 static int vaapi_encode_discard(AVCodecContext *avctx,
515 VAAPIEncodePicture *pic)
517 vaapi_encode_wait(avctx, pic);
519 if (pic->output_buffer_ref) {
520 av_log(avctx, AV_LOG_DEBUG, "Discard output for pic "
521 "%"PRId64"/%"PRId64".\n",
522 pic->display_order, pic->encode_order);
524 av_buffer_unref(&pic->output_buffer_ref);
525 pic->output_buffer = VA_INVALID_ID;
531 static VAAPIEncodePicture *vaapi_encode_alloc(void)
533 VAAPIEncodePicture *pic;
535 pic = av_mallocz(sizeof(*pic));
539 pic->input_surface = VA_INVALID_ID;
540 pic->recon_surface = VA_INVALID_ID;
541 pic->output_buffer = VA_INVALID_ID;
546 static int vaapi_encode_free(AVCodecContext *avctx,
547 VAAPIEncodePicture *pic)
551 if (pic->encode_issued)
552 vaapi_encode_discard(avctx, pic);
554 for (i = 0; i < pic->nb_slices; i++) {
556 av_freep(&pic->slices[i].priv_data);
557 av_freep(&pic->slices[i].codec_slice_params);
560 av_freep(&pic->codec_picture_params);
562 av_frame_free(&pic->input_image);
563 av_frame_free(&pic->recon_image);
565 av_freep(&pic->param_buffers);
566 av_freep(&pic->slices);
567 // Output buffer should already be destroyed.
568 av_assert0(pic->output_buffer == VA_INVALID_ID);
570 av_freep(&pic->priv_data);
571 av_freep(&pic->codec_picture_params);
578 static int vaapi_encode_step(AVCodecContext *avctx,
579 VAAPIEncodePicture *target)
581 VAAPIEncodeContext *ctx = avctx->priv_data;
582 VAAPIEncodePicture *pic;
585 if (ctx->issue_mode == ISSUE_MODE_SERIALISE_EVERYTHING ||
586 ctx->issue_mode == ISSUE_MODE_MINIMISE_LATENCY) {
587 // These two modes are equivalent, except that we wait for
588 // immediate completion on each operation if serialised.
591 // No target, nothing to do yet.
595 if (target->encode_complete) {
601 for (i = 0; i < pic->nb_refs; i++) {
602 if (!pic->refs[i]->encode_complete) {
603 err = vaapi_encode_step(avctx, pic->refs[i]);
609 err = vaapi_encode_issue(avctx, pic);
613 } else if (ctx->issue_mode == ISSUE_MODE_MAXIMISE_THROUGHPUT) {
616 // Run through the list of all available pictures repeatedly
617 // and issue the first one found which has all dependencies
618 // available (including previously-issued but not necessarily
619 // completed pictures).
622 for (pic = ctx->pic_start; pic; pic = pic->next) {
623 if (!pic->input_available || pic->encode_issued)
625 for (i = 0; i < pic->nb_refs; i++) {
626 if (!pic->refs[i]->encode_issued)
629 if (i < pic->nb_refs)
631 err = vaapi_encode_issue(avctx, pic);
635 // Start again from the beginning of the list,
636 // because issuing this picture may have satisfied
637 // forward dependencies of earlier ones.
642 // If we had a defined target for this step then it will
643 // always have been issued by now.
645 av_assert0(target->encode_issued && "broken dependencies?");
655 static int vaapi_encode_get_next(AVCodecContext *avctx,
656 VAAPIEncodePicture **pic_out)
658 VAAPIEncodeContext *ctx = avctx->priv_data;
659 VAAPIEncodePicture *start, *end, *pic;
662 for (pic = ctx->pic_start; pic; pic = pic->next) {
664 av_assert0(pic->display_order + 1 == pic->next->display_order);
665 if (pic->display_order == ctx->input_order) {
671 pic = vaapi_encode_alloc();
673 return AVERROR(ENOMEM);
675 if (ctx->input_order == 0 || ctx->force_idr ||
676 ctx->gop_counter >= avctx->gop_size) {
677 pic->type = PICTURE_TYPE_IDR;
679 ctx->gop_counter = 1;
681 } else if (ctx->p_counter >= ctx->p_per_i) {
682 pic->type = PICTURE_TYPE_I;
686 pic->type = PICTURE_TYPE_P;
687 pic->refs[0] = ctx->pic_end;
694 if (pic->type != PICTURE_TYPE_IDR) {
695 // If that was not an IDR frame, add B-frames display-before and
696 // encode-after it, but not exceeding the GOP size.
698 for (i = 0; i < ctx->b_per_p &&
699 ctx->gop_counter < avctx->gop_size; i++) {
700 pic = vaapi_encode_alloc();
704 pic->type = PICTURE_TYPE_B;
705 pic->refs[0] = ctx->pic_end;
710 pic->display_order = ctx->input_order + ctx->b_per_p - i - 1;
711 pic->encode_order = pic->display_order + 1;
718 if (ctx->input_order == 0) {
719 pic->display_order = 0;
720 pic->encode_order = 0;
722 ctx->pic_start = ctx->pic_end = pic;
725 for (i = 0, pic = start; pic; i++, pic = pic->next) {
726 pic->display_order = ctx->input_order + i;
727 if (end->type == PICTURE_TYPE_IDR)
728 pic->encode_order = ctx->input_order + i;
730 pic->encode_order = ctx->input_order;
732 pic->encode_order = ctx->input_order + i + 1;
735 av_assert0(ctx->pic_end);
736 ctx->pic_end->next = start;
741 av_log(avctx, AV_LOG_DEBUG, "Pictures:");
742 for (pic = ctx->pic_start; pic; pic = pic->next) {
743 av_log(avctx, AV_LOG_DEBUG, " %s (%"PRId64"/%"PRId64")",
744 picture_type_name[pic->type],
745 pic->display_order, pic->encode_order);
747 av_log(avctx, AV_LOG_DEBUG, "\n");
754 vaapi_encode_free(avctx, start);
757 return AVERROR(ENOMEM);
760 static int vaapi_encode_truncate_gop(AVCodecContext *avctx)
762 VAAPIEncodeContext *ctx = avctx->priv_data;
763 VAAPIEncodePicture *pic, *last_pic, *next;
765 av_assert0(!ctx->pic_start || ctx->pic_start->input_available);
767 // Find the last picture we actually have input for.
768 for (pic = ctx->pic_start; pic; pic = pic->next) {
769 if (!pic->input_available)
775 if (last_pic->type == PICTURE_TYPE_B) {
776 // Some fixing up is required. Change the type of this
777 // picture to P, then modify preceding B references which
778 // point beyond it to point at it instead.
780 last_pic->type = PICTURE_TYPE_P;
781 last_pic->encode_order = last_pic->refs[1]->encode_order;
783 for (pic = ctx->pic_start; pic != last_pic; pic = pic->next) {
784 if (pic->type == PICTURE_TYPE_B &&
785 pic->refs[1] == last_pic->refs[1])
786 pic->refs[1] = last_pic;
789 last_pic->nb_refs = 1;
790 last_pic->refs[1] = NULL;
792 // We can use the current structure (no references point
793 // beyond the end), but there are unused pics to discard.
796 // Discard all following pics, they will never be used.
797 for (pic = last_pic->next; pic; pic = next) {
799 vaapi_encode_free(avctx, pic);
802 last_pic->next = NULL;
803 ctx->pic_end = last_pic;
806 // Input is available for all pictures, so we don't need to
810 av_log(avctx, AV_LOG_DEBUG, "Pictures ending truncated GOP:");
811 for (pic = ctx->pic_start; pic; pic = pic->next) {
812 av_log(avctx, AV_LOG_DEBUG, " %s (%"PRId64"/%"PRId64")",
813 picture_type_name[pic->type],
814 pic->display_order, pic->encode_order);
816 av_log(avctx, AV_LOG_DEBUG, "\n");
821 static int vaapi_encode_clear_old(AVCodecContext *avctx)
823 VAAPIEncodeContext *ctx = avctx->priv_data;
824 VAAPIEncodePicture *pic, *old;
827 while (ctx->pic_start != ctx->pic_end) {
828 old = ctx->pic_start;
829 if (old->encode_order > ctx->output_order)
832 for (pic = old->next; pic; pic = pic->next) {
833 if (pic->encode_complete)
835 for (i = 0; i < pic->nb_refs; i++) {
836 if (pic->refs[i] == old) {
837 // We still need this picture because it's referred to
838 // directly by a later one, so it and all following
839 // pictures have to stay.
845 pic = ctx->pic_start;
846 ctx->pic_start = pic->next;
847 vaapi_encode_free(avctx, pic);
853 int ff_vaapi_encode2(AVCodecContext *avctx, AVPacket *pkt,
854 const AVFrame *input_image, int *got_packet)
856 VAAPIEncodeContext *ctx = avctx->priv_data;
857 VAAPIEncodePicture *pic;
861 av_log(avctx, AV_LOG_DEBUG, "Encode frame: %ux%u (%"PRId64").\n",
862 input_image->width, input_image->height, input_image->pts);
864 if (input_image->pict_type == AV_PICTURE_TYPE_I) {
865 err = vaapi_encode_truncate_gop(avctx);
871 err = vaapi_encode_get_next(avctx, &pic);
873 av_log(avctx, AV_LOG_ERROR, "Input setup failed: %d.\n", err);
877 pic->input_image = av_frame_alloc();
878 if (!pic->input_image) {
879 err = AVERROR(ENOMEM);
882 err = av_frame_ref(pic->input_image, input_image);
885 pic->input_surface = (VASurfaceID)(uintptr_t)input_image->data[3];
886 pic->pts = input_image->pts;
888 if (ctx->input_order == 0)
889 ctx->first_pts = pic->pts;
890 if (ctx->input_order == ctx->decode_delay)
891 ctx->dts_pts_diff = pic->pts - ctx->first_pts;
892 if (ctx->output_delay > 0)
893 ctx->ts_ring[ctx->input_order % (3 * ctx->output_delay)] = pic->pts;
895 pic->input_available = 1;
898 if (!ctx->end_of_stream) {
899 err = vaapi_encode_truncate_gop(avctx);
902 ctx->end_of_stream = 1;
908 av_assert0(ctx->output_order + ctx->output_delay + 1 == ctx->input_order);
910 for (pic = ctx->pic_start; pic; pic = pic->next)
911 if (pic->encode_order == ctx->output_order)
914 // pic can be null here if we don't have a specific target in this
915 // iteration. We might still issue encodes if things can be overlapped,
916 // even though we don't intend to output anything.
918 err = vaapi_encode_step(avctx, pic);
920 av_log(avctx, AV_LOG_ERROR, "Encode failed: %d.\n", err);
927 err = vaapi_encode_output(avctx, pic, pkt);
929 av_log(avctx, AV_LOG_ERROR, "Output failed: %d.\n", err);
933 if (ctx->output_delay == 0) {
935 } else if (ctx->output_order < ctx->decode_delay) {
936 if (ctx->ts_ring[ctx->output_order] < INT64_MIN + ctx->dts_pts_diff)
937 pkt->dts = INT64_MIN;
939 pkt->dts = ctx->ts_ring[ctx->output_order] - ctx->dts_pts_diff;
941 pkt->dts = ctx->ts_ring[(ctx->output_order - ctx->decode_delay) %
942 (3 * ctx->output_delay)];
948 err = vaapi_encode_clear_old(avctx);
950 av_log(avctx, AV_LOG_ERROR, "List clearing failed: %d.\n", err);
957 // Unclear what to clean up on failure. There are probably some things we
958 // could do usefully clean up here, but for now just leave them for uninit()
963 static av_cold void vaapi_encode_add_global_param(AVCodecContext *avctx,
964 VAEncMiscParameterBuffer *buffer,
967 VAAPIEncodeContext *ctx = avctx->priv_data;
969 av_assert0(ctx->nb_global_params < MAX_GLOBAL_PARAMS);
971 ctx->global_params [ctx->nb_global_params] = buffer;
972 ctx->global_params_size[ctx->nb_global_params] = size;
974 ++ctx->nb_global_params;
977 typedef struct VAAPIEncodeRTFormat {
984 } VAAPIEncodeRTFormat;
986 static const VAAPIEncodeRTFormat vaapi_encode_rt_formats[] = {
987 { "YUV400", VA_RT_FORMAT_YUV400, 8, 1, },
988 { "YUV420", VA_RT_FORMAT_YUV420, 8, 3, 1, 1 },
989 { "YUV422", VA_RT_FORMAT_YUV422, 8, 3, 1, 0 },
990 { "YUV444", VA_RT_FORMAT_YUV444, 8, 3, 0, 0 },
991 { "YUV411", VA_RT_FORMAT_YUV411, 8, 3, 2, 0 },
992 #if VA_CHECK_VERSION(0, 38, 1)
993 { "YUV420_10", VA_RT_FORMAT_YUV420_10BPP, 10, 3, 1, 1 },
997 static const VAEntrypoint vaapi_encode_entrypoints_normal[] = {
998 VAEntrypointEncSlice,
999 VAEntrypointEncPicture,
1000 #if VA_CHECK_VERSION(0, 39, 2)
1001 VAEntrypointEncSliceLP,
1005 #if VA_CHECK_VERSION(0, 39, 2)
1006 static const VAEntrypoint vaapi_encode_entrypoints_low_power[] = {
1007 VAEntrypointEncSliceLP,
1012 static av_cold int vaapi_encode_profile_entrypoint(AVCodecContext *avctx)
1014 VAAPIEncodeContext *ctx = avctx->priv_data;
1015 VAProfile *va_profiles = NULL;
1016 VAEntrypoint *va_entrypoints = NULL;
1018 const VAEntrypoint *usable_entrypoints;
1019 const VAAPIEncodeProfile *profile;
1020 const AVPixFmtDescriptor *desc;
1021 VAConfigAttrib rt_format_attr;
1022 const VAAPIEncodeRTFormat *rt_format;
1023 const char *profile_string, *entrypoint_string;
1024 int i, j, n, depth, err;
1027 if (ctx->low_power) {
1028 #if VA_CHECK_VERSION(0, 39, 2)
1029 usable_entrypoints = vaapi_encode_entrypoints_low_power;
1031 av_log(avctx, AV_LOG_ERROR, "Low-power encoding is not "
1032 "supported with this VAAPI version.\n");
1033 return AVERROR(EINVAL);
1036 usable_entrypoints = vaapi_encode_entrypoints_normal;
1039 desc = av_pix_fmt_desc_get(ctx->input_frames->sw_format);
1041 av_log(avctx, AV_LOG_ERROR, "Invalid input pixfmt (%d).\n",
1042 ctx->input_frames->sw_format);
1043 return AVERROR(EINVAL);
1045 depth = desc->comp[0].depth;
1046 for (i = 1; i < desc->nb_components; i++) {
1047 if (desc->comp[i].depth != depth) {
1048 av_log(avctx, AV_LOG_ERROR, "Invalid input pixfmt (%s).\n",
1050 return AVERROR(EINVAL);
1053 av_log(avctx, AV_LOG_VERBOSE, "Input surface format is %s.\n",
1056 n = vaMaxNumProfiles(ctx->hwctx->display);
1057 va_profiles = av_malloc_array(n, sizeof(VAProfile));
1059 err = AVERROR(ENOMEM);
1062 vas = vaQueryConfigProfiles(ctx->hwctx->display, va_profiles, &n);
1063 if (vas != VA_STATUS_SUCCESS) {
1064 av_log(avctx, AV_LOG_ERROR, "Failed to query profiles: %d (%s).\n",
1065 vas, vaErrorStr(vas));
1066 err = AVERROR_EXTERNAL;
1070 av_assert0(ctx->codec->profiles);
1071 for (i = 0; (ctx->codec->profiles[i].av_profile !=
1072 FF_PROFILE_UNKNOWN); i++) {
1073 profile = &ctx->codec->profiles[i];
1074 if (depth != profile->depth ||
1075 desc->nb_components != profile->nb_components)
1077 if (desc->nb_components > 1 &&
1078 (desc->log2_chroma_w != profile->log2_chroma_w ||
1079 desc->log2_chroma_h != profile->log2_chroma_h))
1081 if (avctx->profile != profile->av_profile &&
1082 avctx->profile != FF_PROFILE_UNKNOWN)
1085 #if VA_CHECK_VERSION(1, 0, 0)
1086 profile_string = vaProfileStr(profile->va_profile);
1088 profile_string = "(no profile names)";
1091 for (j = 0; j < n; j++) {
1092 if (va_profiles[j] == profile->va_profile)
1096 av_log(avctx, AV_LOG_VERBOSE, "Matching profile %d is "
1097 "not supported by driver.\n", profile->va_profile);
1101 ctx->profile = profile;
1104 if (!ctx->profile) {
1105 av_log(avctx, AV_LOG_ERROR, "No usable encoding profile found.\n");
1106 err = AVERROR(ENOSYS);
1110 avctx->profile = profile->av_profile;
1111 ctx->va_profile = profile->va_profile;
1112 av_log(avctx, AV_LOG_VERBOSE, "Using VAAPI profile %s (%d).\n",
1113 profile_string, ctx->va_profile);
1115 n = vaMaxNumEntrypoints(ctx->hwctx->display);
1116 va_entrypoints = av_malloc_array(n, sizeof(VAEntrypoint));
1117 if (!va_entrypoints) {
1118 err = AVERROR(ENOMEM);
1121 vas = vaQueryConfigEntrypoints(ctx->hwctx->display, ctx->va_profile,
1122 va_entrypoints, &n);
1123 if (vas != VA_STATUS_SUCCESS) {
1124 av_log(avctx, AV_LOG_ERROR, "Failed to query entrypoints for "
1125 "profile %s (%d): %d (%s).\n", profile_string,
1126 ctx->va_profile, vas, vaErrorStr(vas));
1127 err = AVERROR_EXTERNAL;
1131 for (i = 0; i < n; i++) {
1132 for (j = 0; usable_entrypoints[j]; j++) {
1133 if (va_entrypoints[i] == usable_entrypoints[j])
1136 if (usable_entrypoints[j])
1140 av_log(avctx, AV_LOG_ERROR, "No usable encoding entrypoint found "
1141 "for profile %s (%d).\n", profile_string, ctx->va_profile);
1142 err = AVERROR(ENOSYS);
1146 ctx->va_entrypoint = va_entrypoints[i];
1147 #if VA_CHECK_VERSION(1, 0, 0)
1148 entrypoint_string = vaEntrypointStr(ctx->va_entrypoint);
1150 entrypoint_string = "(no entrypoint names)";
1152 av_log(avctx, AV_LOG_VERBOSE, "Using VAAPI entrypoint %s (%d).\n",
1153 entrypoint_string, ctx->va_entrypoint);
1155 for (i = 0; i < FF_ARRAY_ELEMS(vaapi_encode_rt_formats); i++) {
1156 rt_format = &vaapi_encode_rt_formats[i];
1157 if (rt_format->depth == depth &&
1158 rt_format->nb_components == profile->nb_components &&
1159 rt_format->log2_chroma_w == profile->log2_chroma_w &&
1160 rt_format->log2_chroma_h == profile->log2_chroma_h)
1163 if (i >= FF_ARRAY_ELEMS(vaapi_encode_rt_formats)) {
1164 av_log(avctx, AV_LOG_ERROR, "No usable render target format "
1165 "found for profile %s (%d) entrypoint %s (%d).\n",
1166 profile_string, ctx->va_profile,
1167 entrypoint_string, ctx->va_entrypoint);
1168 err = AVERROR(ENOSYS);
1172 rt_format_attr = (VAConfigAttrib) { VAConfigAttribRTFormat };
1173 vas = vaGetConfigAttributes(ctx->hwctx->display,
1174 ctx->va_profile, ctx->va_entrypoint,
1175 &rt_format_attr, 1);
1176 if (vas != VA_STATUS_SUCCESS) {
1177 av_log(avctx, AV_LOG_ERROR, "Failed to query RT format "
1178 "config attribute: %d (%s).\n", vas, vaErrorStr(vas));
1179 err = AVERROR_EXTERNAL;
1183 if (rt_format_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1184 av_log(avctx, AV_LOG_VERBOSE, "RT format config attribute not "
1185 "supported by driver: assuming surface RT format %s "
1186 "is valid.\n", rt_format->name);
1187 } else if (!(rt_format_attr.value & rt_format->value)) {
1188 av_log(avctx, AV_LOG_ERROR, "Surface RT format %s not supported "
1189 "by driver for encoding profile %s (%d) entrypoint %s (%d).\n",
1190 rt_format->name, profile_string, ctx->va_profile,
1191 entrypoint_string, ctx->va_entrypoint);
1192 err = AVERROR(ENOSYS);
1195 av_log(avctx, AV_LOG_VERBOSE, "Using VAAPI render target "
1196 "format %s (%#x).\n", rt_format->name, rt_format->value);
1197 ctx->config_attributes[ctx->nb_config_attributes++] =
1199 .type = VAConfigAttribRTFormat,
1200 .value = rt_format->value,
1206 av_freep(&va_profiles);
1207 av_freep(&va_entrypoints);
1211 static av_cold int vaapi_encode_config_attributes(AVCodecContext *avctx)
1213 VAAPIEncodeContext *ctx = avctx->priv_data;
1217 VAConfigAttrib attr[] = {
1218 { VAConfigAttribRateControl },
1219 { VAConfigAttribEncMaxRefFrames },
1220 { VAConfigAttribEncPackedHeaders },
1223 vas = vaGetConfigAttributes(ctx->hwctx->display,
1224 ctx->va_profile, ctx->va_entrypoint,
1225 attr, FF_ARRAY_ELEMS(attr));
1226 if (vas != VA_STATUS_SUCCESS) {
1227 av_log(avctx, AV_LOG_ERROR, "Failed to fetch config "
1228 "attributes: %d (%s).\n", vas, vaErrorStr(vas));
1229 return AVERROR(EINVAL);
1232 for (i = 0; i < FF_ARRAY_ELEMS(attr); i++) {
1233 if (attr[i].value == VA_ATTRIB_NOT_SUPPORTED) {
1234 // Unfortunately we have to treat this as "don't know" and hope
1235 // for the best, because the Intel MJPEG encoder returns this
1236 // for all the interesting attributes.
1237 av_log(avctx, AV_LOG_DEBUG, "Attribute (%d) is not supported.\n",
1241 switch (attr[i].type) {
1242 case VAConfigAttribRateControl:
1243 // Hack for backward compatibility: CBR was the only
1244 // usable RC mode for a long time, so old drivers will
1245 // only have it. Normal default options may now choose
1246 // VBR and then fail, however, so override it here with
1247 // CBR if that is the only supported mode.
1248 if (ctx->va_rc_mode == VA_RC_VBR &&
1249 !(attr[i].value & VA_RC_VBR) &&
1250 (attr[i].value & VA_RC_CBR)) {
1251 av_log(avctx, AV_LOG_WARNING, "VBR rate control is "
1252 "not supported with this driver version; "
1253 "using CBR instead.\n");
1254 ctx->va_rc_mode = VA_RC_CBR;
1256 if (!(ctx->va_rc_mode & attr[i].value)) {
1257 av_log(avctx, AV_LOG_ERROR, "Rate control mode %#x "
1258 "is not supported (mask: %#x).\n",
1259 ctx->va_rc_mode, attr[i].value);
1260 return AVERROR(EINVAL);
1262 ctx->config_attributes[ctx->nb_config_attributes++] =
1264 .type = VAConfigAttribRateControl,
1265 .value = ctx->va_rc_mode,
1268 case VAConfigAttribEncMaxRefFrames:
1270 unsigned int ref_l0 = attr[i].value & 0xffff;
1271 unsigned int ref_l1 = (attr[i].value >> 16) & 0xffff;
1273 if (avctx->gop_size > 1 && ref_l0 < 1) {
1274 av_log(avctx, AV_LOG_ERROR, "P frames are not "
1275 "supported (%#x).\n", attr[i].value);
1276 return AVERROR(EINVAL);
1278 if (avctx->max_b_frames > 0 && ref_l1 < 1) {
1279 av_log(avctx, AV_LOG_WARNING, "B frames are not "
1280 "supported (%#x) by the underlying driver.\n",
1282 avctx->max_b_frames = 0;
1286 case VAConfigAttribEncPackedHeaders:
1287 if (ctx->va_packed_headers & ~attr[i].value) {
1288 // This isn't fatal, but packed headers are always
1289 // preferable because they are under our control.
1290 // When absent, the driver is generating them and some
1291 // features may not work (e.g. VUI or SEI in H.264).
1292 av_log(avctx, AV_LOG_WARNING, "Warning: some packed "
1293 "headers are not supported (want %#x, got %#x).\n",
1294 ctx->va_packed_headers, attr[i].value);
1295 ctx->va_packed_headers &= attr[i].value;
1297 ctx->config_attributes[ctx->nb_config_attributes++] =
1299 .type = VAConfigAttribEncPackedHeaders,
1300 .value = ctx->va_packed_headers,
1304 av_assert0(0 && "Unexpected config attribute.");
1311 static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx)
1313 VAAPIEncodeContext *ctx = avctx->priv_data;
1314 int rc_bits_per_second;
1315 int rc_target_percentage;
1317 int hrd_buffer_size;
1318 int hrd_initial_buffer_fullness;
1321 if (avctx->bit_rate > INT32_MAX) {
1322 av_log(avctx, AV_LOG_ERROR, "Target bitrate of 2^31 bps or "
1323 "higher is not supported.\n");
1324 return AVERROR(EINVAL);
1327 if (avctx->rc_buffer_size)
1328 hrd_buffer_size = avctx->rc_buffer_size;
1330 hrd_buffer_size = avctx->bit_rate;
1331 if (avctx->rc_initial_buffer_occupancy)
1332 hrd_initial_buffer_fullness = avctx->rc_initial_buffer_occupancy;
1334 hrd_initial_buffer_fullness = hrd_buffer_size * 3 / 4;
1336 if (ctx->va_rc_mode == VA_RC_CBR) {
1337 rc_bits_per_second = avctx->bit_rate;
1338 rc_target_percentage = 100;
1339 rc_window_size = 1000;
1341 if (avctx->rc_max_rate < avctx->bit_rate) {
1342 // Max rate is unset or invalid, just use the normal bitrate.
1343 rc_bits_per_second = avctx->bit_rate;
1344 rc_target_percentage = 100;
1346 rc_bits_per_second = avctx->rc_max_rate;
1347 rc_target_percentage = (avctx->bit_rate * 100) / rc_bits_per_second;
1349 rc_window_size = (hrd_buffer_size * 1000) / avctx->bit_rate;
1352 ctx->rc_params.misc.type = VAEncMiscParameterTypeRateControl;
1353 ctx->rc_params.rc = (VAEncMiscParameterRateControl) {
1354 .bits_per_second = rc_bits_per_second,
1355 .target_percentage = rc_target_percentage,
1356 .window_size = rc_window_size,
1358 .min_qp = (avctx->qmin > 0 ? avctx->qmin : 0),
1359 .basic_unit_size = 0,
1361 vaapi_encode_add_global_param(avctx, &ctx->rc_params.misc,
1362 sizeof(ctx->rc_params));
1364 ctx->hrd_params.misc.type = VAEncMiscParameterTypeHRD;
1365 ctx->hrd_params.hrd = (VAEncMiscParameterHRD) {
1366 .initial_buffer_fullness = hrd_initial_buffer_fullness,
1367 .buffer_size = hrd_buffer_size,
1369 vaapi_encode_add_global_param(avctx, &ctx->hrd_params.misc,
1370 sizeof(ctx->hrd_params));
1372 if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
1373 av_reduce(&fr_num, &fr_den,
1374 avctx->framerate.num, avctx->framerate.den, 65535);
1376 av_reduce(&fr_num, &fr_den,
1377 avctx->time_base.den, avctx->time_base.num, 65535);
1379 ctx->fr_params.misc.type = VAEncMiscParameterTypeFrameRate;
1380 ctx->fr_params.fr.framerate = (unsigned int)fr_den << 16 | fr_num;
1382 #if VA_CHECK_VERSION(0, 40, 0)
1383 vaapi_encode_add_global_param(avctx, &ctx->fr_params.misc,
1384 sizeof(ctx->fr_params));
1390 static av_cold int vaapi_encode_init_quality(AVCodecContext *avctx)
1392 #if VA_CHECK_VERSION(0, 36, 0)
1393 VAAPIEncodeContext *ctx = avctx->priv_data;
1395 VAConfigAttrib attr = { VAConfigAttribEncQualityRange };
1396 int quality = avctx->compression_level;
1398 vas = vaGetConfigAttributes(ctx->hwctx->display,
1402 if (vas != VA_STATUS_SUCCESS) {
1403 av_log(avctx, AV_LOG_ERROR, "Failed to query quality "
1404 "config attribute: %d (%s).\n", vas, vaErrorStr(vas));
1405 return AVERROR_EXTERNAL;
1408 if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1410 av_log(avctx, AV_LOG_WARNING, "Quality attribute is not "
1411 "supported: will use default quality level.\n");
1414 if (quality > attr.value) {
1415 av_log(avctx, AV_LOG_WARNING, "Invalid quality level: "
1416 "valid range is 0-%d, using %d.\n",
1417 attr.value, attr.value);
1418 quality = attr.value;
1421 ctx->quality_params.misc.type = VAEncMiscParameterTypeQualityLevel;
1422 ctx->quality_params.quality.quality_level = quality;
1424 vaapi_encode_add_global_param(avctx, &ctx->quality_params.misc,
1425 sizeof(ctx->quality_params));
1428 av_log(avctx, AV_LOG_WARNING, "The encode quality option is "
1429 "not supported with this VAAPI version.\n");
1435 static void vaapi_encode_free_output_buffer(void *opaque,
1438 AVCodecContext *avctx = opaque;
1439 VAAPIEncodeContext *ctx = avctx->priv_data;
1440 VABufferID buffer_id;
1442 buffer_id = (VABufferID)(uintptr_t)data;
1444 vaDestroyBuffer(ctx->hwctx->display, buffer_id);
1446 av_log(avctx, AV_LOG_DEBUG, "Freed output buffer %#x\n", buffer_id);
1449 static AVBufferRef *vaapi_encode_alloc_output_buffer(void *opaque,
1452 AVCodecContext *avctx = opaque;
1453 VAAPIEncodeContext *ctx = avctx->priv_data;
1454 VABufferID buffer_id;
1458 // The output buffer size is fixed, so it needs to be large enough
1459 // to hold the largest possible compressed frame. We assume here
1460 // that the uncompressed frame plus some header data is an upper
1462 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
1463 VAEncCodedBufferType,
1464 3 * ctx->surface_width * ctx->surface_height +
1465 (1 << 16), 1, 0, &buffer_id);
1466 if (vas != VA_STATUS_SUCCESS) {
1467 av_log(avctx, AV_LOG_ERROR, "Failed to create bitstream "
1468 "output buffer: %d (%s).\n", vas, vaErrorStr(vas));
1472 av_log(avctx, AV_LOG_DEBUG, "Allocated output buffer %#x\n", buffer_id);
1474 ref = av_buffer_create((uint8_t*)(uintptr_t)buffer_id,
1476 &vaapi_encode_free_output_buffer,
1477 avctx, AV_BUFFER_FLAG_READONLY);
1479 vaDestroyBuffer(ctx->hwctx->display, buffer_id);
1486 static av_cold int vaapi_encode_create_recon_frames(AVCodecContext *avctx)
1488 VAAPIEncodeContext *ctx = avctx->priv_data;
1489 AVVAAPIHWConfig *hwconfig = NULL;
1490 AVHWFramesConstraints *constraints = NULL;
1491 enum AVPixelFormat recon_format;
1494 hwconfig = av_hwdevice_hwconfig_alloc(ctx->device_ref);
1496 err = AVERROR(ENOMEM);
1499 hwconfig->config_id = ctx->va_config;
1501 constraints = av_hwdevice_get_hwframe_constraints(ctx->device_ref,
1504 err = AVERROR(ENOMEM);
1508 // Probably we can use the input surface format as the surface format
1509 // of the reconstructed frames. If not, we just pick the first (only?)
1510 // format in the valid list and hope that it all works.
1511 recon_format = AV_PIX_FMT_NONE;
1512 if (constraints->valid_sw_formats) {
1513 for (i = 0; constraints->valid_sw_formats[i] != AV_PIX_FMT_NONE; i++) {
1514 if (ctx->input_frames->sw_format ==
1515 constraints->valid_sw_formats[i]) {
1516 recon_format = ctx->input_frames->sw_format;
1520 if (recon_format == AV_PIX_FMT_NONE) {
1521 // No match. Just use the first in the supported list and
1522 // hope for the best.
1523 recon_format = constraints->valid_sw_formats[0];
1526 // No idea what to use; copy input format.
1527 recon_format = ctx->input_frames->sw_format;
1529 av_log(avctx, AV_LOG_DEBUG, "Using %s as format of "
1530 "reconstructed frames.\n", av_get_pix_fmt_name(recon_format));
1532 if (ctx->surface_width < constraints->min_width ||
1533 ctx->surface_height < constraints->min_height ||
1534 ctx->surface_width > constraints->max_width ||
1535 ctx->surface_height > constraints->max_height) {
1536 av_log(avctx, AV_LOG_ERROR, "Hardware does not support encoding at "
1537 "size %dx%d (constraints: width %d-%d height %d-%d).\n",
1538 ctx->surface_width, ctx->surface_height,
1539 constraints->min_width, constraints->max_width,
1540 constraints->min_height, constraints->max_height);
1541 err = AVERROR(EINVAL);
1545 av_freep(&hwconfig);
1546 av_hwframe_constraints_free(&constraints);
1548 ctx->recon_frames_ref = av_hwframe_ctx_alloc(ctx->device_ref);
1549 if (!ctx->recon_frames_ref) {
1550 err = AVERROR(ENOMEM);
1553 ctx->recon_frames = (AVHWFramesContext*)ctx->recon_frames_ref->data;
1555 ctx->recon_frames->format = AV_PIX_FMT_VAAPI;
1556 ctx->recon_frames->sw_format = recon_format;
1557 ctx->recon_frames->width = ctx->surface_width;
1558 ctx->recon_frames->height = ctx->surface_height;
1559 // At most three IDR/I/P frames and two runs of B frames can be in
1560 // flight at any one time.
1561 ctx->recon_frames->initial_pool_size = 3 + 2 * avctx->max_b_frames;
1563 err = av_hwframe_ctx_init(ctx->recon_frames_ref);
1565 av_log(avctx, AV_LOG_ERROR, "Failed to initialise reconstructed "
1566 "frame context: %d.\n", err);
1572 av_freep(&hwconfig);
1573 av_hwframe_constraints_free(&constraints);
1577 av_cold int ff_vaapi_encode_init(AVCodecContext *avctx)
1579 VAAPIEncodeContext *ctx = avctx->priv_data;
1580 AVVAAPIFramesContext *recon_hwctx = NULL;
1584 if (!avctx->hw_frames_ctx) {
1585 av_log(avctx, AV_LOG_ERROR, "A hardware frames reference is "
1586 "required to associate the encoding device.\n");
1587 return AVERROR(EINVAL);
1590 ctx->va_config = VA_INVALID_ID;
1591 ctx->va_context = VA_INVALID_ID;
1593 ctx->input_frames_ref = av_buffer_ref(avctx->hw_frames_ctx);
1594 if (!ctx->input_frames_ref) {
1595 err = AVERROR(ENOMEM);
1598 ctx->input_frames = (AVHWFramesContext*)ctx->input_frames_ref->data;
1600 ctx->device_ref = av_buffer_ref(ctx->input_frames->device_ref);
1601 if (!ctx->device_ref) {
1602 err = AVERROR(ENOMEM);
1605 ctx->device = (AVHWDeviceContext*)ctx->device_ref->data;
1606 ctx->hwctx = ctx->device->hwctx;
1608 err = vaapi_encode_profile_entrypoint(avctx);
1612 err = vaapi_encode_config_attributes(avctx);
1616 if (avctx->compression_level >= 0) {
1617 err = vaapi_encode_init_quality(avctx);
1622 vas = vaCreateConfig(ctx->hwctx->display,
1623 ctx->va_profile, ctx->va_entrypoint,
1624 ctx->config_attributes, ctx->nb_config_attributes,
1626 if (vas != VA_STATUS_SUCCESS) {
1627 av_log(avctx, AV_LOG_ERROR, "Failed to create encode pipeline "
1628 "configuration: %d (%s).\n", vas, vaErrorStr(vas));
1633 err = vaapi_encode_create_recon_frames(avctx);
1637 recon_hwctx = ctx->recon_frames->hwctx;
1638 vas = vaCreateContext(ctx->hwctx->display, ctx->va_config,
1639 ctx->surface_width, ctx->surface_height,
1641 recon_hwctx->surface_ids,
1642 recon_hwctx->nb_surfaces,
1644 if (vas != VA_STATUS_SUCCESS) {
1645 av_log(avctx, AV_LOG_ERROR, "Failed to create encode pipeline "
1646 "context: %d (%s).\n", vas, vaErrorStr(vas));
1651 ctx->output_buffer_pool =
1652 av_buffer_pool_init2(sizeof(VABufferID), avctx,
1653 &vaapi_encode_alloc_output_buffer, NULL);
1654 if (!ctx->output_buffer_pool) {
1655 err = AVERROR(ENOMEM);
1659 if (ctx->va_rc_mode & ~VA_RC_CQP) {
1660 err = vaapi_encode_init_rate_control(avctx);
1665 if (ctx->codec->configure) {
1666 err = ctx->codec->configure(avctx);
1671 ctx->input_order = 0;
1672 ctx->output_delay = avctx->max_b_frames;
1673 ctx->decode_delay = 1;
1674 ctx->output_order = - ctx->output_delay - 1;
1676 // Currently we never generate I frames, only IDR.
1677 ctx->p_per_i = INT_MAX;
1678 ctx->b_per_p = avctx->max_b_frames;
1680 if (ctx->codec->sequence_params_size > 0) {
1681 ctx->codec_sequence_params =
1682 av_mallocz(ctx->codec->sequence_params_size);
1683 if (!ctx->codec_sequence_params) {
1684 err = AVERROR(ENOMEM);
1688 if (ctx->codec->picture_params_size > 0) {
1689 ctx->codec_picture_params =
1690 av_mallocz(ctx->codec->picture_params_size);
1691 if (!ctx->codec_picture_params) {
1692 err = AVERROR(ENOMEM);
1697 if (ctx->codec->init_sequence_params) {
1698 err = ctx->codec->init_sequence_params(avctx);
1700 av_log(avctx, AV_LOG_ERROR, "Codec sequence initialisation "
1701 "failed: %d.\n", err);
1706 // This should be configurable somehow. (Needs testing on a machine
1707 // where it actually overlaps properly, though.)
1708 ctx->issue_mode = ISSUE_MODE_MAXIMISE_THROUGHPUT;
1710 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE &&
1711 ctx->codec->write_sequence_header) {
1712 char data[MAX_PARAM_BUFFER_SIZE];
1713 size_t bit_len = 8 * sizeof(data);
1715 err = ctx->codec->write_sequence_header(avctx, data, &bit_len);
1717 av_log(avctx, AV_LOG_ERROR, "Failed to write sequence header "
1718 "for extradata: %d.\n", err);
1721 avctx->extradata_size = (bit_len + 7) / 8;
1722 avctx->extradata = av_mallocz(avctx->extradata_size +
1723 AV_INPUT_BUFFER_PADDING_SIZE);
1724 if (!avctx->extradata) {
1725 err = AVERROR(ENOMEM);
1728 memcpy(avctx->extradata, data, avctx->extradata_size);
1735 ff_vaapi_encode_close(avctx);
1739 av_cold int ff_vaapi_encode_close(AVCodecContext *avctx)
1741 VAAPIEncodeContext *ctx = avctx->priv_data;
1742 VAAPIEncodePicture *pic, *next;
1744 for (pic = ctx->pic_start; pic; pic = next) {
1746 vaapi_encode_free(avctx, pic);
1749 av_buffer_pool_uninit(&ctx->output_buffer_pool);
1751 if (ctx->va_context != VA_INVALID_ID) {
1752 vaDestroyContext(ctx->hwctx->display, ctx->va_context);
1753 ctx->va_context = VA_INVALID_ID;
1756 if (ctx->va_config != VA_INVALID_ID) {
1757 vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
1758 ctx->va_config = VA_INVALID_ID;
1761 av_freep(&ctx->codec_sequence_params);
1762 av_freep(&ctx->codec_picture_params);
1764 av_buffer_unref(&ctx->recon_frames_ref);
1765 av_buffer_unref(&ctx->input_frames_ref);
1766 av_buffer_unref(&ctx->device_ref);