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 *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;
39 VAEncPackedHeaderParameterBuffer params = {
41 .bit_length = bit_len,
42 .has_emulation_bytes = 1,
45 av_assert0(pic->nb_param_buffers + 2 <= MAX_PARAM_BUFFERS);
47 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
48 VAEncPackedHeaderParameterBufferType,
49 sizeof(params), 1, ¶ms, ¶m_buffer);
50 if (vas != VA_STATUS_SUCCESS) {
51 av_log(avctx, AV_LOG_ERROR, "Failed to create parameter buffer "
52 "for packed header (type %d): %d (%s).\n",
53 type, vas, vaErrorStr(vas));
56 pic->param_buffers[pic->nb_param_buffers++] = param_buffer;
58 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
59 VAEncPackedHeaderDataBufferType,
60 (bit_len + 7) / 8, 1, data, &data_buffer);
61 if (vas != VA_STATUS_SUCCESS) {
62 av_log(avctx, AV_LOG_ERROR, "Failed to create data buffer "
63 "for packed header (type %d): %d (%s).\n",
64 type, vas, vaErrorStr(vas));
67 pic->param_buffers[pic->nb_param_buffers++] = data_buffer;
69 av_log(avctx, AV_LOG_DEBUG, "Packed header buffer (%d) is %#x/%#x "
70 "(%zu bits).\n", type, param_buffer, data_buffer, bit_len);
74 static int vaapi_encode_make_param_buffer(AVCodecContext *avctx,
75 VAAPIEncodePicture *pic,
76 int type, char *data, size_t len)
78 VAAPIEncodeContext *ctx = avctx->priv_data;
82 av_assert0(pic->nb_param_buffers + 1 <= MAX_PARAM_BUFFERS);
84 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
85 type, len, 1, data, &buffer);
86 if (vas != VA_STATUS_SUCCESS) {
87 av_log(avctx, AV_LOG_ERROR, "Failed to create parameter buffer "
88 "(type %d): %d (%s).\n", type, vas, vaErrorStr(vas));
91 pic->param_buffers[pic->nb_param_buffers++] = buffer;
93 av_log(avctx, AV_LOG_DEBUG, "Param buffer (%d) is %#x.\n",
98 static int vaapi_encode_wait(AVCodecContext *avctx,
99 VAAPIEncodePicture *pic)
101 VAAPIEncodeContext *ctx = avctx->priv_data;
104 av_assert0(pic->encode_issued);
106 if (pic->encode_complete) {
107 // Already waited for this picture.
111 av_log(avctx, AV_LOG_DEBUG, "Sync to pic %"PRId64"/%"PRId64" "
112 "(recon surface %#x).\n", pic->display_order,
113 pic->encode_order, pic->recon_surface);
115 vas = vaSyncSurface(ctx->hwctx->display, pic->recon_surface);
116 if (vas != VA_STATUS_SUCCESS) {
117 av_log(avctx, AV_LOG_ERROR, "Failed to sync to picture completion: "
118 "%d (%s).\n", vas, vaErrorStr(vas));
122 // Input is definitely finished with now.
123 av_frame_free(&pic->input_image);
125 pic->encode_complete = 1;
129 static int vaapi_encode_issue(AVCodecContext *avctx,
130 VAAPIEncodePicture *pic)
132 VAAPIEncodeContext *ctx = avctx->priv_data;
133 VAAPIEncodeSlice *slice;
136 char data[MAX_PARAM_BUFFER_SIZE];
139 av_log(avctx, AV_LOG_DEBUG, "Issuing encode for pic %"PRId64"/%"PRId64" "
140 "as type %s.\n", pic->display_order, pic->encode_order,
141 picture_type_name[pic->type]);
142 if (pic->nb_refs == 0) {
143 av_log(avctx, AV_LOG_DEBUG, "No reference pictures.\n");
145 av_log(avctx, AV_LOG_DEBUG, "Refers to:");
146 for (i = 0; i < pic->nb_refs; i++) {
147 av_log(avctx, AV_LOG_DEBUG, " %"PRId64"/%"PRId64,
148 pic->refs[i]->display_order, pic->refs[i]->encode_order);
150 av_log(avctx, AV_LOG_DEBUG, ".\n");
153 av_assert0(pic->input_available && !pic->encode_issued);
154 for (i = 0; i < pic->nb_refs; i++) {
155 av_assert0(pic->refs[i]);
156 // If we are serialised then the references must have already
157 // completed. If not, they must have been issued but need not
158 // have completed yet.
159 if (ctx->issue_mode == ISSUE_MODE_SERIALISE_EVERYTHING)
160 av_assert0(pic->refs[i]->encode_complete);
162 av_assert0(pic->refs[i]->encode_issued);
165 av_log(avctx, AV_LOG_DEBUG, "Input surface is %#x.\n", pic->input_surface);
167 pic->recon_image = av_frame_alloc();
168 if (!pic->recon_image) {
169 err = AVERROR(ENOMEM);
173 err = av_hwframe_get_buffer(ctx->recon_frames_ref, pic->recon_image, 0);
175 err = AVERROR(ENOMEM);
178 pic->recon_surface = (VASurfaceID)(uintptr_t)pic->recon_image->data[3];
179 av_log(avctx, AV_LOG_DEBUG, "Recon surface is %#x.\n", pic->recon_surface);
181 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
182 VAEncCodedBufferType,
183 MAX_OUTPUT_BUFFER_SIZE, 1, 0,
184 &pic->output_buffer);
185 if (vas != VA_STATUS_SUCCESS) {
186 av_log(avctx, AV_LOG_ERROR, "Failed to create bitstream "
187 "output buffer: %d (%s).\n", vas, vaErrorStr(vas));
188 err = AVERROR(ENOMEM);
191 av_log(avctx, AV_LOG_DEBUG, "Output buffer is %#x.\n",
194 if (ctx->codec->picture_params_size > 0) {
195 pic->codec_picture_params = av_malloc(ctx->codec->picture_params_size);
196 if (!pic->codec_picture_params)
198 memcpy(pic->codec_picture_params, ctx->codec_picture_params,
199 ctx->codec->picture_params_size);
201 av_assert0(!ctx->codec_picture_params);
204 pic->nb_param_buffers = 0;
206 if (pic->encode_order == 0) {
207 // Global parameter buffers are set on the first picture only.
209 for (i = 0; i < ctx->nb_global_params; i++) {
210 err = vaapi_encode_make_param_buffer(avctx, pic,
211 VAEncMiscParameterBufferType,
212 (char*)ctx->global_params[i],
213 ctx->global_params_size[i]);
219 if (pic->type == PICTURE_TYPE_IDR && ctx->codec->init_sequence_params) {
220 err = vaapi_encode_make_param_buffer(avctx, pic,
221 VAEncSequenceParameterBufferType,
222 ctx->codec_sequence_params,
223 ctx->codec->sequence_params_size);
228 if (ctx->codec->init_picture_params) {
229 err = ctx->codec->init_picture_params(avctx, pic);
231 av_log(avctx, AV_LOG_ERROR, "Failed to initialise picture "
232 "parameters: %d.\n", err);
235 err = vaapi_encode_make_param_buffer(avctx, pic,
236 VAEncPictureParameterBufferType,
237 pic->codec_picture_params,
238 ctx->codec->picture_params_size);
243 if (pic->type == PICTURE_TYPE_IDR) {
244 if (ctx->codec->write_sequence_header) {
245 bit_len = 8 * sizeof(data);
246 err = ctx->codec->write_sequence_header(avctx, data, &bit_len);
248 av_log(avctx, AV_LOG_ERROR, "Failed to write per-sequence "
249 "header: %d.\n", err);
252 err = vaapi_encode_make_packed_header(avctx, pic,
253 ctx->codec->sequence_header_type,
260 if (ctx->codec->write_picture_header) {
261 bit_len = 8 * sizeof(data);
262 err = ctx->codec->write_picture_header(avctx, pic, data, &bit_len);
264 av_log(avctx, AV_LOG_ERROR, "Failed to write per-picture "
265 "header: %d.\n", err);
268 err = vaapi_encode_make_packed_header(avctx, pic,
269 ctx->codec->picture_header_type,
275 if (ctx->codec->write_extra_buffer) {
277 size_t len = sizeof(data);
279 err = ctx->codec->write_extra_buffer(avctx, pic, i, &type,
281 if (err == AVERROR_EOF)
284 av_log(avctx, AV_LOG_ERROR, "Failed to write extra "
285 "buffer %d: %d.\n", i, err);
289 err = vaapi_encode_make_param_buffer(avctx, pic, type,
296 if (ctx->codec->write_extra_header) {
299 bit_len = 8 * sizeof(data);
300 err = ctx->codec->write_extra_header(avctx, pic, i, &type,
302 if (err == AVERROR_EOF)
305 av_log(avctx, AV_LOG_ERROR, "Failed to write extra "
306 "header %d: %d.\n", i, err);
310 err = vaapi_encode_make_packed_header(avctx, pic, type,
317 av_assert0(pic->nb_slices <= MAX_PICTURE_SLICES);
318 for (i = 0; i < pic->nb_slices; i++) {
319 slice = av_mallocz(sizeof(*slice));
321 err = AVERROR(ENOMEM);
324 pic->slices[i] = slice;
326 if (ctx->codec->slice_params_size > 0) {
327 slice->codec_slice_params = av_mallocz(ctx->codec->slice_params_size);
328 if (!slice->codec_slice_params) {
329 err = AVERROR(ENOMEM);
334 if (ctx->codec->init_slice_params) {
335 err = ctx->codec->init_slice_params(avctx, pic, slice);
337 av_log(avctx, AV_LOG_ERROR, "Failed to initalise slice "
338 "parameters: %d.\n", err);
343 if (ctx->codec->write_slice_header) {
344 bit_len = 8 * sizeof(data);
345 err = ctx->codec->write_slice_header(avctx, pic, slice,
348 av_log(avctx, AV_LOG_ERROR, "Failed to write per-slice "
349 "header: %d.\n", err);
352 err = vaapi_encode_make_packed_header(avctx, pic,
353 ctx->codec->slice_header_type,
359 if (ctx->codec->init_slice_params) {
360 err = vaapi_encode_make_param_buffer(avctx, pic,
361 VAEncSliceParameterBufferType,
362 slice->codec_slice_params,
363 ctx->codec->slice_params_size);
369 vas = vaBeginPicture(ctx->hwctx->display, ctx->va_context,
371 if (vas != VA_STATUS_SUCCESS) {
372 av_log(avctx, AV_LOG_ERROR, "Failed to begin picture encode issue: "
373 "%d (%s).\n", vas, vaErrorStr(vas));
375 goto fail_with_picture;
378 vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
379 pic->param_buffers, pic->nb_param_buffers);
380 if (vas != VA_STATUS_SUCCESS) {
381 av_log(avctx, AV_LOG_ERROR, "Failed to upload encode parameters: "
382 "%d (%s).\n", vas, vaErrorStr(vas));
384 goto fail_with_picture;
387 vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
388 if (vas != VA_STATUS_SUCCESS) {
389 av_log(avctx, AV_LOG_ERROR, "Failed to end picture encode issue: "
390 "%d (%s).\n", vas, vaErrorStr(vas));
395 pic->encode_issued = 1;
397 if (ctx->issue_mode == ISSUE_MODE_SERIALISE_EVERYTHING)
398 return vaapi_encode_wait(avctx, pic);
403 vaEndPicture(ctx->hwctx->display, ctx->va_context);
405 for(i = 0; i < pic->nb_param_buffers; i++)
406 vaDestroyBuffer(ctx->hwctx->display, pic->param_buffers[i]);
408 av_freep(&pic->codec_picture_params);
409 av_frame_free(&pic->recon_image);
413 static int vaapi_encode_output(AVCodecContext *avctx,
414 VAAPIEncodePicture *pic, AVPacket *pkt)
416 VAAPIEncodeContext *ctx = avctx->priv_data;
417 VACodedBufferSegment *buf_list, *buf;
421 err = vaapi_encode_wait(avctx, pic);
426 vas = vaMapBuffer(ctx->hwctx->display, pic->output_buffer,
428 if (vas != VA_STATUS_SUCCESS) {
429 av_log(avctx, AV_LOG_ERROR, "Failed to map output buffers: "
430 "%d (%s).\n", vas, vaErrorStr(vas));
435 for (buf = buf_list; buf; buf = buf->next) {
436 av_log(avctx, AV_LOG_DEBUG, "Output buffer: %u bytes "
437 "(status %08x).\n", buf->size, buf->status);
439 err = av_new_packet(pkt, buf->size);
443 memcpy(pkt->data, buf->buf, buf->size);
446 if (pic->type == PICTURE_TYPE_IDR)
447 pkt->flags |= AV_PKT_FLAG_KEY;
451 vas = vaUnmapBuffer(ctx->hwctx->display, pic->output_buffer);
452 if (vas != VA_STATUS_SUCCESS) {
453 av_log(avctx, AV_LOG_ERROR, "Failed to unmap output buffers: "
454 "%d (%s).\n", vas, vaErrorStr(vas));
459 vaDestroyBuffer(ctx->hwctx->display, pic->output_buffer);
460 pic->output_buffer = VA_INVALID_ID;
462 av_log(avctx, AV_LOG_DEBUG, "Output read for pic %"PRId64"/%"PRId64".\n",
463 pic->display_order, pic->encode_order);
467 if (pic->output_buffer != VA_INVALID_ID) {
468 vaUnmapBuffer(ctx->hwctx->display, pic->output_buffer);
469 vaDestroyBuffer(ctx->hwctx->display, pic->output_buffer);
470 pic->output_buffer = VA_INVALID_ID;
475 static int vaapi_encode_discard(AVCodecContext *avctx,
476 VAAPIEncodePicture *pic)
478 VAAPIEncodeContext *ctx = avctx->priv_data;
480 vaapi_encode_wait(avctx, pic);
482 if (pic->output_buffer != VA_INVALID_ID) {
483 av_log(avctx, AV_LOG_DEBUG, "Discard output for pic "
484 "%"PRId64"/%"PRId64".\n",
485 pic->display_order, pic->encode_order);
487 vaDestroyBuffer(ctx->hwctx->display, pic->output_buffer);
488 pic->output_buffer = VA_INVALID_ID;
494 static VAAPIEncodePicture *vaapi_encode_alloc(void)
496 VAAPIEncodePicture *pic;
498 pic = av_mallocz(sizeof(*pic));
502 pic->input_surface = VA_INVALID_ID;
503 pic->recon_surface = VA_INVALID_ID;
504 pic->output_buffer = VA_INVALID_ID;
509 static int vaapi_encode_free(AVCodecContext *avctx,
510 VAAPIEncodePicture *pic)
514 if (pic->encode_issued)
515 vaapi_encode_discard(avctx, pic);
517 for (i = 0; i < pic->nb_slices; i++) {
518 av_freep(&pic->slices[i]->priv_data);
519 av_freep(&pic->slices[i]->codec_slice_params);
520 av_freep(&pic->slices[i]);
522 av_freep(&pic->codec_picture_params);
524 av_frame_free(&pic->input_image);
525 av_frame_free(&pic->recon_image);
527 // Output buffer should already be destroyed.
528 av_assert0(pic->output_buffer == VA_INVALID_ID);
530 av_freep(&pic->priv_data);
531 av_freep(&pic->codec_picture_params);
538 static int vaapi_encode_step(AVCodecContext *avctx,
539 VAAPIEncodePicture *target)
541 VAAPIEncodeContext *ctx = avctx->priv_data;
542 VAAPIEncodePicture *pic;
545 if (ctx->issue_mode == ISSUE_MODE_SERIALISE_EVERYTHING ||
546 ctx->issue_mode == ISSUE_MODE_MINIMISE_LATENCY) {
547 // These two modes are equivalent, except that we wait for
548 // immediate completion on each operation if serialised.
551 // No target, nothing to do yet.
555 if (target->encode_complete) {
561 for (i = 0; i < pic->nb_refs; i++) {
562 if (!pic->refs[i]->encode_complete) {
563 err = vaapi_encode_step(avctx, pic->refs[i]);
569 err = vaapi_encode_issue(avctx, pic);
573 } else if (ctx->issue_mode == ISSUE_MODE_MAXIMISE_THROUGHPUT) {
578 for (pic = ctx->pic_start; pic; pic = pic->next) {
579 if (!pic->input_available || pic->encode_issued)
581 for (i = 0; i < pic->nb_refs; i++) {
582 if (!pic->refs[i]->encode_issued)
585 if (i < pic->nb_refs)
587 err = vaapi_encode_issue(avctx, pic);
595 av_assert0(target->encode_issued && "broken dependencies?");
605 static int vaapi_encode_get_next(AVCodecContext *avctx,
606 VAAPIEncodePicture **pic_out)
608 VAAPIEncodeContext *ctx = avctx->priv_data;
609 VAAPIEncodePicture *start, *end, *pic;
612 for (pic = ctx->pic_start; pic; pic = pic->next) {
614 av_assert0(pic->display_order + 1 == pic->next->display_order);
615 if (pic->display_order == ctx->input_order) {
621 if (ctx->input_order == 0) {
622 // First frame is always an IDR frame.
623 av_assert0(!ctx->pic_start && !ctx->pic_end);
625 pic = vaapi_encode_alloc();
627 return AVERROR(ENOMEM);
629 pic->type = PICTURE_TYPE_IDR;
630 pic->display_order = 0;
631 pic->encode_order = 0;
633 ctx->pic_start = ctx->pic_end = pic;
639 pic = vaapi_encode_alloc();
641 return AVERROR(ENOMEM);
643 if (ctx->p_per_i == 0 || ctx->p_counter == ctx->p_per_i) {
644 if (ctx->i_per_idr == 0 || ctx->i_counter == ctx->i_per_idr) {
645 pic->type = PICTURE_TYPE_IDR;
648 pic->type = PICTURE_TYPE_I;
653 pic->type = PICTURE_TYPE_P;
654 pic->refs[0] = ctx->pic_end;
660 if (pic->type != PICTURE_TYPE_IDR) {
661 // If that was not an IDR frame, add B-frames display-before and
664 for (i = 0; i < ctx->b_per_p; i++) {
665 pic = vaapi_encode_alloc();
669 pic->type = PICTURE_TYPE_B;
670 pic->refs[0] = ctx->pic_end;
675 pic->display_order = ctx->input_order + ctx->b_per_p - i - 1;
676 pic->encode_order = pic->display_order + 1;
681 for (i = 0, pic = start; pic; i++, pic = pic->next) {
682 pic->display_order = ctx->input_order + i;
683 if (end->type == PICTURE_TYPE_IDR)
684 pic->encode_order = ctx->input_order + i;
686 pic->encode_order = ctx->input_order;
688 pic->encode_order = ctx->input_order + i + 1;
691 av_assert0(ctx->pic_end);
692 ctx->pic_end->next = start;
697 av_log(avctx, AV_LOG_DEBUG, "Pictures:");
698 for (pic = ctx->pic_start; pic; pic = pic->next) {
699 av_log(avctx, AV_LOG_DEBUG, " %s (%"PRId64"/%"PRId64")",
700 picture_type_name[pic->type],
701 pic->display_order, pic->encode_order);
703 av_log(avctx, AV_LOG_DEBUG, "\n");
710 vaapi_encode_free(avctx, start);
713 return AVERROR(ENOMEM);
716 static int vaapi_encode_mangle_end(AVCodecContext *avctx)
718 VAAPIEncodeContext *ctx = avctx->priv_data;
719 VAAPIEncodePicture *pic, *last_pic, *next;
721 // Find the last picture we actually have input for.
722 for (pic = ctx->pic_start; pic; pic = pic->next) {
723 if (!pic->input_available)
729 av_assert0(last_pic);
731 if (last_pic->type == PICTURE_TYPE_B) {
732 // Some fixing up is required. Change the type of this
733 // picture to P, then modify preceding B references which
734 // point beyond it to point at it instead.
736 last_pic->type = PICTURE_TYPE_P;
737 last_pic->encode_order = last_pic->refs[1]->encode_order;
739 for (pic = ctx->pic_start; pic != last_pic; pic = pic->next) {
740 if (pic->type == PICTURE_TYPE_B &&
741 pic->refs[1] == last_pic->refs[1])
742 pic->refs[1] = last_pic;
745 last_pic->nb_refs = 1;
746 last_pic->refs[1] = NULL;
748 // We can use the current structure (no references point
749 // beyond the end), but there are unused pics to discard.
752 // Discard all following pics, they will never be used.
753 for (pic = last_pic->next; pic; pic = next) {
755 vaapi_encode_free(avctx, pic);
758 last_pic->next = NULL;
759 ctx->pic_end = last_pic;
762 // Input is available for all pictures, so we don't need to
766 av_log(avctx, AV_LOG_DEBUG, "Pictures at end of stream:");
767 for (pic = ctx->pic_start; pic; pic = pic->next) {
768 av_log(avctx, AV_LOG_DEBUG, " %s (%"PRId64"/%"PRId64")",
769 picture_type_name[pic->type],
770 pic->display_order, pic->encode_order);
772 av_log(avctx, AV_LOG_DEBUG, "\n");
777 static int vaapi_encode_clear_old(AVCodecContext *avctx)
779 VAAPIEncodeContext *ctx = avctx->priv_data;
780 VAAPIEncodePicture *pic, *old;
783 while (ctx->pic_start != ctx->pic_end) {
784 old = ctx->pic_start;
785 if (old->encode_order > ctx->output_order)
788 for (pic = old->next; pic; pic = pic->next) {
789 if (pic->encode_complete)
791 for (i = 0; i < pic->nb_refs; i++) {
792 if (pic->refs[i] == old) {
793 // We still need this picture because it's referred to
794 // directly by a later one, so it and all following
795 // pictures have to stay.
801 pic = ctx->pic_start;
802 ctx->pic_start = pic->next;
803 vaapi_encode_free(avctx, pic);
809 int ff_vaapi_encode2(AVCodecContext *avctx, AVPacket *pkt,
810 const AVFrame *input_image, int *got_packet)
812 VAAPIEncodeContext *ctx = avctx->priv_data;
813 VAAPIEncodePicture *pic;
817 av_log(avctx, AV_LOG_DEBUG, "Encode frame: %ux%u (%"PRId64").\n",
818 input_image->width, input_image->height, input_image->pts);
820 err = vaapi_encode_get_next(avctx, &pic);
822 av_log(avctx, AV_LOG_ERROR, "Input setup failed: %d.\n", err);
826 pic->input_image = av_frame_alloc();
827 if (!pic->input_image) {
828 err = AVERROR(ENOMEM);
831 err = av_frame_ref(pic->input_image, input_image);
834 pic->input_surface = (VASurfaceID)(uintptr_t)input_image->data[3];
835 pic->pts = input_image->pts;
837 if (ctx->input_order == 0)
838 ctx->first_pts = pic->pts;
839 if (ctx->input_order == ctx->decode_delay)
840 ctx->dts_pts_diff = pic->pts - ctx->first_pts;
841 if (ctx->output_delay > 0)
842 ctx->ts_ring[ctx->input_order % (3 * ctx->output_delay)] = pic->pts;
844 pic->input_available = 1;
847 if (!ctx->end_of_stream) {
848 err = vaapi_encode_mangle_end(avctx);
851 ctx->end_of_stream = 1;
857 av_assert0(ctx->output_order + ctx->output_delay + 1 == ctx->input_order);
859 for (pic = ctx->pic_start; pic; pic = pic->next)
860 if (pic->encode_order == ctx->output_order)
863 // pic can be null here if we don't have a specific target in this
864 // iteration. We might still issue encodes if things can be overlapped,
865 // even though we don't intend to output anything.
867 err = vaapi_encode_step(avctx, pic);
869 av_log(avctx, AV_LOG_ERROR, "Encode failed: %d.\n", err);
876 err = vaapi_encode_output(avctx, pic, pkt);
878 av_log(avctx, AV_LOG_ERROR, "Output failed: %d.\n", err);
882 if (ctx->output_delay == 0) {
884 } else if (ctx->output_order < ctx->decode_delay) {
885 if (ctx->ts_ring[ctx->output_order] < INT64_MIN + ctx->dts_pts_diff)
886 pkt->dts = INT64_MIN;
888 pkt->dts = ctx->ts_ring[ctx->output_order] - ctx->dts_pts_diff;
890 pkt->dts = ctx->ts_ring[(ctx->output_order - ctx->decode_delay) %
891 (3 * ctx->output_delay)];
897 err = vaapi_encode_clear_old(avctx);
899 av_log(avctx, AV_LOG_ERROR, "List clearing failed: %d.\n", err);
906 // Unclear what to clean up on failure. There are probably some things we
907 // could do usefully clean up here, but for now just leave them for uninit()
912 static av_cold int vaapi_encode_check_config(AVCodecContext *avctx)
914 VAAPIEncodeContext *ctx = avctx->priv_data;
917 VAProfile *profiles = NULL;
918 VAEntrypoint *entrypoints = NULL;
919 VAConfigAttrib attr[] = {
920 { VAConfigAttribRateControl },
921 { VAConfigAttribEncMaxRefFrames },
924 n = vaMaxNumProfiles(ctx->hwctx->display);
925 profiles = av_malloc_array(n, sizeof(VAProfile));
927 err = AVERROR(ENOMEM);
930 vas = vaQueryConfigProfiles(ctx->hwctx->display, profiles, &n);
931 if (vas != VA_STATUS_SUCCESS) {
932 av_log(ctx, AV_LOG_ERROR, "Failed to query profiles: %d (%s).\n",
933 vas, vaErrorStr(vas));
934 err = AVERROR(ENOSYS);
937 for (i = 0; i < n; i++) {
938 if (profiles[i] == ctx->va_profile)
942 av_log(ctx, AV_LOG_ERROR, "Encoding profile not found (%d).\n",
944 err = AVERROR(ENOSYS);
948 n = vaMaxNumEntrypoints(ctx->hwctx->display);
949 entrypoints = av_malloc_array(n, sizeof(VAEntrypoint));
951 err = AVERROR(ENOMEM);
954 vas = vaQueryConfigEntrypoints(ctx->hwctx->display, ctx->va_profile,
956 if (vas != VA_STATUS_SUCCESS) {
957 av_log(ctx, AV_LOG_ERROR, "Failed to query entrypoints for "
958 "profile %u: %d (%s).\n", ctx->va_profile,
959 vas, vaErrorStr(vas));
960 err = AVERROR(ENOSYS);
963 for (i = 0; i < n; i++) {
964 if (entrypoints[i] == ctx->va_entrypoint)
968 av_log(ctx, AV_LOG_ERROR, "Encoding entrypoint not found "
969 "(%d / %d).\n", ctx->va_profile, ctx->va_entrypoint);
970 err = AVERROR(ENOSYS);
974 vas = vaGetConfigAttributes(ctx->hwctx->display,
975 ctx->va_profile, ctx->va_entrypoint,
976 attr, FF_ARRAY_ELEMS(attr));
977 if (vas != VA_STATUS_SUCCESS) {
978 av_log(avctx, AV_LOG_ERROR, "Failed to fetch config "
979 "attributes: %d (%s).\n", vas, vaErrorStr(vas));
980 return AVERROR(EINVAL);
983 for (i = 0; i < FF_ARRAY_ELEMS(attr); i++) {
984 if (attr[i].value == VA_ATTRIB_NOT_SUPPORTED) {
985 // Unfortunately we have to treat this as "don't know" and hope
986 // for the best, because the Intel MJPEG encoder returns this
987 // for all the interesting attributes.
990 switch (attr[i].type) {
991 case VAConfigAttribRateControl:
992 if (!(ctx->va_rc_mode & attr[i].value)) {
993 av_log(avctx, AV_LOG_ERROR, "Rate control mode is not "
994 "supported: %x\n", attr[i].value);
995 err = AVERROR(EINVAL);
999 case VAConfigAttribEncMaxRefFrames:
1001 unsigned int ref_l0 = attr[i].value & 0xffff;
1002 unsigned int ref_l1 = (attr[i].value >> 16) & 0xffff;
1004 if (avctx->gop_size > 1 && ref_l0 < 1) {
1005 av_log(avctx, AV_LOG_ERROR, "P frames are not "
1006 "supported (%x).\n", attr[i].value);
1007 err = AVERROR(EINVAL);
1010 if (avctx->max_b_frames > 0 && ref_l1 < 1) {
1011 av_log(avctx, AV_LOG_ERROR, "B frames are not "
1012 "supported (%x).\n", attr[i].value);
1013 err = AVERROR(EINVAL);
1023 av_freep(&profiles);
1024 av_freep(&entrypoints);
1028 av_cold int ff_vaapi_encode_init(AVCodecContext *avctx,
1029 const VAAPIEncodeType *type)
1031 VAAPIEncodeContext *ctx = avctx->priv_data;
1032 AVVAAPIFramesContext *recon_hwctx = NULL;
1033 AVVAAPIHWConfig *hwconfig = NULL;
1034 AVHWFramesConstraints *constraints = NULL;
1035 enum AVPixelFormat recon_format;
1039 if (!avctx->hw_frames_ctx) {
1040 av_log(avctx, AV_LOG_ERROR, "A hardware frames reference is "
1041 "required to associate the encoding device.\n");
1042 return AVERROR(EINVAL);
1046 ctx->codec_options = ctx->codec_options_data;
1048 ctx->va_config = VA_INVALID_ID;
1049 ctx->va_context = VA_INVALID_ID;
1051 ctx->priv_data = av_mallocz(type->priv_data_size);
1052 if (!ctx->priv_data) {
1053 err = AVERROR(ENOMEM);
1057 ctx->input_frames_ref = av_buffer_ref(avctx->hw_frames_ctx);
1058 if (!ctx->input_frames_ref) {
1059 err = AVERROR(ENOMEM);
1062 ctx->input_frames = (AVHWFramesContext*)ctx->input_frames_ref->data;
1064 ctx->device_ref = av_buffer_ref(ctx->input_frames->device_ref);
1065 if (!ctx->device_ref) {
1066 err = AVERROR(ENOMEM);
1069 ctx->device = (AVHWDeviceContext*)ctx->device_ref->data;
1070 ctx->hwctx = ctx->device->hwctx;
1072 err = ctx->codec->init(avctx);
1076 err = vaapi_encode_check_config(avctx);
1080 vas = vaCreateConfig(ctx->hwctx->display,
1081 ctx->va_profile, ctx->va_entrypoint,
1082 ctx->config_attributes, ctx->nb_config_attributes,
1084 if (vas != VA_STATUS_SUCCESS) {
1085 av_log(avctx, AV_LOG_ERROR, "Failed to create encode pipeline "
1086 "configuration: %d (%s).\n", vas, vaErrorStr(vas));
1091 hwconfig = av_hwdevice_hwconfig_alloc(ctx->device_ref);
1093 err = AVERROR(ENOMEM);
1096 hwconfig->config_id = ctx->va_config;
1098 constraints = av_hwdevice_get_hwframe_constraints(ctx->device_ref,
1101 err = AVERROR(ENOMEM);
1105 // Probably we can use the input surface format as the surface format
1106 // of the reconstructed frames. If not, we just pick the first (only?)
1107 // format in the valid list and hope that it all works.
1108 recon_format = AV_PIX_FMT_NONE;
1109 if (constraints->valid_sw_formats) {
1110 for (i = 0; constraints->valid_sw_formats[i] != AV_PIX_FMT_NONE; i++) {
1111 if (ctx->input_frames->sw_format ==
1112 constraints->valid_sw_formats[i]) {
1113 recon_format = ctx->input_frames->sw_format;
1117 if (recon_format == AV_PIX_FMT_NONE)
1118 recon_format = constraints->valid_sw_formats[i];
1120 // No idea what to use; copy input format.
1121 recon_format = ctx->input_frames->sw_format;
1123 av_log(avctx, AV_LOG_DEBUG, "Using %s as format of "
1124 "reconstructed frames.\n", av_get_pix_fmt_name(recon_format));
1126 if (ctx->aligned_width < constraints->min_width ||
1127 ctx->aligned_height < constraints->min_height ||
1128 ctx->aligned_width > constraints->max_width ||
1129 ctx->aligned_height > constraints->max_height) {
1130 av_log(avctx, AV_LOG_ERROR, "Hardware does not support encoding at "
1131 "size %dx%d (constraints: width %d-%d height %d-%d).\n",
1132 ctx->aligned_width, ctx->aligned_height,
1133 constraints->min_width, constraints->max_width,
1134 constraints->min_height, constraints->max_height);
1135 err = AVERROR(EINVAL);
1139 av_freep(&hwconfig);
1140 av_hwframe_constraints_free(&constraints);
1142 ctx->recon_frames_ref = av_hwframe_ctx_alloc(ctx->device_ref);
1143 if (!ctx->recon_frames_ref) {
1144 err = AVERROR(ENOMEM);
1147 ctx->recon_frames = (AVHWFramesContext*)ctx->recon_frames_ref->data;
1149 ctx->recon_frames->format = AV_PIX_FMT_VAAPI;
1150 ctx->recon_frames->sw_format = recon_format;
1151 ctx->recon_frames->width = ctx->aligned_width;
1152 ctx->recon_frames->height = ctx->aligned_height;
1153 ctx->recon_frames->initial_pool_size = ctx->nb_recon_frames;
1155 err = av_hwframe_ctx_init(ctx->recon_frames_ref);
1157 av_log(avctx, AV_LOG_ERROR, "Failed to initialise reconstructed "
1158 "frame context: %d.\n", err);
1161 recon_hwctx = ctx->recon_frames->hwctx;
1163 vas = vaCreateContext(ctx->hwctx->display, ctx->va_config,
1164 ctx->aligned_width, ctx->aligned_height,
1166 recon_hwctx->surface_ids,
1167 recon_hwctx->nb_surfaces,
1169 if (vas != VA_STATUS_SUCCESS) {
1170 av_log(avctx, AV_LOG_ERROR, "Failed to create encode pipeline "
1171 "context: %d (%s).\n", vas, vaErrorStr(vas));
1176 ctx->input_order = 0;
1177 ctx->output_delay = avctx->max_b_frames;
1178 ctx->decode_delay = 1;
1179 ctx->output_order = - ctx->output_delay - 1;
1181 if (ctx->codec->sequence_params_size > 0) {
1182 ctx->codec_sequence_params =
1183 av_mallocz(ctx->codec->sequence_params_size);
1184 if (!ctx->codec_sequence_params) {
1185 err = AVERROR(ENOMEM);
1189 if (ctx->codec->picture_params_size > 0) {
1190 ctx->codec_picture_params =
1191 av_mallocz(ctx->codec->picture_params_size);
1192 if (!ctx->codec_picture_params) {
1193 err = AVERROR(ENOMEM);
1198 if (ctx->codec->init_sequence_params) {
1199 err = ctx->codec->init_sequence_params(avctx);
1201 av_log(avctx, AV_LOG_ERROR, "Codec sequence initialisation "
1202 "failed: %d.\n", err);
1207 // All I are IDR for now.
1209 ctx->p_per_i = ((avctx->gop_size + avctx->max_b_frames) /
1210 (avctx->max_b_frames + 1));
1211 ctx->b_per_p = avctx->max_b_frames;
1213 // This should be configurable somehow. (Needs testing on a machine
1214 // where it actually overlaps properly, though.)
1215 ctx->issue_mode = ISSUE_MODE_MAXIMISE_THROUGHPUT;
1220 av_freep(&hwconfig);
1221 av_hwframe_constraints_free(&constraints);
1222 ff_vaapi_encode_close(avctx);
1226 av_cold int ff_vaapi_encode_close(AVCodecContext *avctx)
1228 VAAPIEncodeContext *ctx = avctx->priv_data;
1229 VAAPIEncodePicture *pic, *next;
1231 for (pic = ctx->pic_start; pic; pic = next) {
1233 vaapi_encode_free(avctx, pic);
1236 if (ctx->va_context != VA_INVALID_ID) {
1237 vaDestroyContext(ctx->hwctx->display, ctx->va_context);
1238 ctx->va_context = VA_INVALID_ID;
1241 if (ctx->va_config != VA_INVALID_ID) {
1242 vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
1243 ctx->va_config = VA_INVALID_ID;
1246 if (ctx->codec->close)
1247 ctx->codec->close(avctx);
1249 av_freep(&ctx->codec_sequence_params);
1250 av_freep(&ctx->codec_picture_params);
1252 av_buffer_unref(&ctx->recon_frames_ref);
1253 av_buffer_unref(&ctx->input_frames_ref);
1254 av_buffer_unref(&ctx->device_ref);
1256 av_freep(&ctx->priv_data);