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_make_misc_param_buffer(AVCodecContext *avctx,
107 VAAPIEncodePicture *pic,
109 const void *data, size_t len)
111 // Construct the buffer on the stack - 1KB is much larger than any
112 // current misc parameter buffer type (the largest is EncQuality at
114 uint8_t buffer[1024];
115 VAEncMiscParameterBuffer header = {
118 size_t buffer_size = sizeof(header) + len;
119 av_assert0(buffer_size <= sizeof(buffer));
121 memcpy(buffer, &header, sizeof(header));
122 memcpy(buffer + sizeof(header), data, len);
124 return vaapi_encode_make_param_buffer(avctx, pic,
125 VAEncMiscParameterBufferType,
126 buffer, buffer_size);
129 static int vaapi_encode_wait(AVCodecContext *avctx,
130 VAAPIEncodePicture *pic)
132 VAAPIEncodeContext *ctx = avctx->priv_data;
135 av_assert0(pic->encode_issued);
137 if (pic->encode_complete) {
138 // Already waited for this picture.
142 av_log(avctx, AV_LOG_DEBUG, "Sync to pic %"PRId64"/%"PRId64" "
143 "(input surface %#x).\n", pic->display_order,
144 pic->encode_order, pic->input_surface);
146 vas = vaSyncSurface(ctx->hwctx->display, pic->input_surface);
147 if (vas != VA_STATUS_SUCCESS) {
148 av_log(avctx, AV_LOG_ERROR, "Failed to sync to picture completion: "
149 "%d (%s).\n", vas, vaErrorStr(vas));
153 // Input is definitely finished with now.
154 av_frame_free(&pic->input_image);
156 pic->encode_complete = 1;
160 static int vaapi_encode_issue(AVCodecContext *avctx,
161 VAAPIEncodePicture *pic)
163 VAAPIEncodeContext *ctx = avctx->priv_data;
164 VAAPIEncodeSlice *slice;
167 char data[MAX_PARAM_BUFFER_SIZE];
170 av_log(avctx, AV_LOG_DEBUG, "Issuing encode for pic %"PRId64"/%"PRId64" "
171 "as type %s.\n", pic->display_order, pic->encode_order,
172 picture_type_name[pic->type]);
173 if (pic->nb_refs == 0) {
174 av_log(avctx, AV_LOG_DEBUG, "No reference pictures.\n");
176 av_log(avctx, AV_LOG_DEBUG, "Refers to:");
177 for (i = 0; i < pic->nb_refs; i++) {
178 av_log(avctx, AV_LOG_DEBUG, " %"PRId64"/%"PRId64,
179 pic->refs[i]->display_order, pic->refs[i]->encode_order);
181 av_log(avctx, AV_LOG_DEBUG, ".\n");
184 av_assert0(!pic->encode_issued);
185 for (i = 0; i < pic->nb_refs; i++) {
186 av_assert0(pic->refs[i]);
187 av_assert0(pic->refs[i]->encode_issued);
190 av_log(avctx, AV_LOG_DEBUG, "Input surface is %#x.\n", pic->input_surface);
192 pic->recon_image = av_frame_alloc();
193 if (!pic->recon_image) {
194 err = AVERROR(ENOMEM);
198 err = av_hwframe_get_buffer(ctx->recon_frames_ref, pic->recon_image, 0);
200 err = AVERROR(ENOMEM);
203 pic->recon_surface = (VASurfaceID)(uintptr_t)pic->recon_image->data[3];
204 av_log(avctx, AV_LOG_DEBUG, "Recon surface is %#x.\n", pic->recon_surface);
206 pic->output_buffer_ref = av_buffer_pool_get(ctx->output_buffer_pool);
207 if (!pic->output_buffer_ref) {
208 err = AVERROR(ENOMEM);
211 pic->output_buffer = (VABufferID)(uintptr_t)pic->output_buffer_ref->data;
212 av_log(avctx, AV_LOG_DEBUG, "Output buffer is %#x.\n",
215 if (ctx->codec->picture_params_size > 0) {
216 pic->codec_picture_params = av_malloc(ctx->codec->picture_params_size);
217 if (!pic->codec_picture_params)
219 memcpy(pic->codec_picture_params, ctx->codec_picture_params,
220 ctx->codec->picture_params_size);
222 av_assert0(!ctx->codec_picture_params);
225 pic->nb_param_buffers = 0;
227 if (pic->type == PICTURE_TYPE_IDR && ctx->codec->init_sequence_params) {
228 err = vaapi_encode_make_param_buffer(avctx, pic,
229 VAEncSequenceParameterBufferType,
230 ctx->codec_sequence_params,
231 ctx->codec->sequence_params_size);
236 if (pic->type == PICTURE_TYPE_IDR) {
237 for (i = 0; i < ctx->nb_global_params; i++) {
238 err = vaapi_encode_make_misc_param_buffer(avctx, pic,
239 ctx->global_params_type[i],
240 ctx->global_params[i],
241 ctx->global_params_size[i]);
247 if (ctx->codec->init_picture_params) {
248 err = ctx->codec->init_picture_params(avctx, pic);
250 av_log(avctx, AV_LOG_ERROR, "Failed to initialise picture "
251 "parameters: %d.\n", err);
254 err = vaapi_encode_make_param_buffer(avctx, pic,
255 VAEncPictureParameterBufferType,
256 pic->codec_picture_params,
257 ctx->codec->picture_params_size);
262 if (pic->type == PICTURE_TYPE_IDR) {
263 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE &&
264 ctx->codec->write_sequence_header) {
265 bit_len = 8 * sizeof(data);
266 err = ctx->codec->write_sequence_header(avctx, data, &bit_len);
268 av_log(avctx, AV_LOG_ERROR, "Failed to write per-sequence "
269 "header: %d.\n", err);
272 err = vaapi_encode_make_packed_header(avctx, pic,
273 ctx->codec->sequence_header_type,
280 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_PICTURE &&
281 ctx->codec->write_picture_header) {
282 bit_len = 8 * sizeof(data);
283 err = ctx->codec->write_picture_header(avctx, pic, data, &bit_len);
285 av_log(avctx, AV_LOG_ERROR, "Failed to write per-picture "
286 "header: %d.\n", err);
289 err = vaapi_encode_make_packed_header(avctx, pic,
290 ctx->codec->picture_header_type,
296 if (ctx->codec->write_extra_buffer) {
298 size_t len = sizeof(data);
300 err = ctx->codec->write_extra_buffer(avctx, pic, i, &type,
302 if (err == AVERROR_EOF)
305 av_log(avctx, AV_LOG_ERROR, "Failed to write extra "
306 "buffer %d: %d.\n", i, err);
310 err = vaapi_encode_make_param_buffer(avctx, pic, type,
317 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_MISC &&
318 ctx->codec->write_extra_header) {
321 bit_len = 8 * sizeof(data);
322 err = ctx->codec->write_extra_header(avctx, pic, i, &type,
324 if (err == AVERROR_EOF)
327 av_log(avctx, AV_LOG_ERROR, "Failed to write extra "
328 "header %d: %d.\n", i, err);
332 err = vaapi_encode_make_packed_header(avctx, pic, type,
339 if (pic->nb_slices == 0)
340 pic->nb_slices = ctx->nb_slices;
341 if (pic->nb_slices > 0) {
344 pic->slices = av_mallocz_array(pic->nb_slices, sizeof(*pic->slices));
346 err = AVERROR(ENOMEM);
350 for (i = 0; i < pic->nb_slices; i++)
351 pic->slices[i].row_size = ctx->slice_size;
353 rounding = ctx->slice_block_rows - ctx->nb_slices * ctx->slice_size;
355 // Place rounding error at top and bottom of frame.
356 av_assert0(rounding < pic->nb_slices);
357 // Some Intel drivers contain a bug where the encoder will fail
358 // if the last slice is smaller than the one before it. Since
359 // that's straightforward to avoid here, just do so.
361 for (i = 0; i < rounding; i++)
362 ++pic->slices[i].row_size;
364 for (i = 0; i < (rounding + 1) / 2; i++)
365 ++pic->slices[pic->nb_slices - i - 1].row_size;
366 for (i = 0; i < rounding / 2; i++)
367 ++pic->slices[i].row_size;
369 } else if (rounding < 0) {
370 // Remove rounding error from last slice only.
371 av_assert0(rounding < ctx->slice_size);
372 pic->slices[pic->nb_slices - 1].row_size += rounding;
375 for (i = 0; i < pic->nb_slices; i++) {
376 slice = &pic->slices[i];
379 slice->row_start = 0;
380 slice->block_start = 0;
382 const VAAPIEncodeSlice *prev = &pic->slices[i - 1];
383 slice->row_start = prev->row_start + prev->row_size;
384 slice->block_start = prev->block_start + prev->block_size;
386 slice->block_size = slice->row_size * ctx->slice_block_cols;
388 av_log(avctx, AV_LOG_DEBUG, "Slice %d: %d-%d (%d rows), "
389 "%d-%d (%d blocks).\n", i, slice->row_start,
390 slice->row_start + slice->row_size - 1, slice->row_size,
391 slice->block_start, slice->block_start + slice->block_size - 1,
394 if (ctx->codec->slice_params_size > 0) {
395 slice->codec_slice_params = av_mallocz(ctx->codec->slice_params_size);
396 if (!slice->codec_slice_params) {
397 err = AVERROR(ENOMEM);
402 if (ctx->codec->init_slice_params) {
403 err = ctx->codec->init_slice_params(avctx, pic, slice);
405 av_log(avctx, AV_LOG_ERROR, "Failed to initialise slice "
406 "parameters: %d.\n", err);
411 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SLICE &&
412 ctx->codec->write_slice_header) {
413 bit_len = 8 * sizeof(data);
414 err = ctx->codec->write_slice_header(avctx, pic, slice,
417 av_log(avctx, AV_LOG_ERROR, "Failed to write per-slice "
418 "header: %d.\n", err);
421 err = vaapi_encode_make_packed_header(avctx, pic,
422 ctx->codec->slice_header_type,
428 if (ctx->codec->init_slice_params) {
429 err = vaapi_encode_make_param_buffer(avctx, pic,
430 VAEncSliceParameterBufferType,
431 slice->codec_slice_params,
432 ctx->codec->slice_params_size);
438 vas = vaBeginPicture(ctx->hwctx->display, ctx->va_context,
440 if (vas != VA_STATUS_SUCCESS) {
441 av_log(avctx, AV_LOG_ERROR, "Failed to begin picture encode issue: "
442 "%d (%s).\n", vas, vaErrorStr(vas));
444 goto fail_with_picture;
447 vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
448 pic->param_buffers, pic->nb_param_buffers);
449 if (vas != VA_STATUS_SUCCESS) {
450 av_log(avctx, AV_LOG_ERROR, "Failed to upload encode parameters: "
451 "%d (%s).\n", vas, vaErrorStr(vas));
453 goto fail_with_picture;
456 vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
457 if (vas != VA_STATUS_SUCCESS) {
458 av_log(avctx, AV_LOG_ERROR, "Failed to end picture encode issue: "
459 "%d (%s).\n", vas, vaErrorStr(vas));
461 // vaRenderPicture() has been called here, so we should not destroy
462 // the parameter buffers unless separate destruction is required.
463 if (CONFIG_VAAPI_1 || ctx->hwctx->driver_quirks &
464 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS)
470 if (CONFIG_VAAPI_1 || ctx->hwctx->driver_quirks &
471 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS) {
472 for (i = 0; i < pic->nb_param_buffers; i++) {
473 vas = vaDestroyBuffer(ctx->hwctx->display,
474 pic->param_buffers[i]);
475 if (vas != VA_STATUS_SUCCESS) {
476 av_log(avctx, AV_LOG_ERROR, "Failed to destroy "
477 "param buffer %#x: %d (%s).\n",
478 pic->param_buffers[i], vas, vaErrorStr(vas));
484 pic->encode_issued = 1;
489 vaEndPicture(ctx->hwctx->display, ctx->va_context);
491 for(i = 0; i < pic->nb_param_buffers; i++)
492 vaDestroyBuffer(ctx->hwctx->display, pic->param_buffers[i]);
493 for (i = 0; i < pic->nb_slices; i++) {
495 av_freep(&pic->slices[i].priv_data);
496 av_freep(&pic->slices[i].codec_slice_params);
500 av_freep(&pic->codec_picture_params);
501 av_freep(&pic->param_buffers);
502 av_freep(&pic->slices);
503 av_frame_free(&pic->recon_image);
504 av_buffer_unref(&pic->output_buffer_ref);
505 pic->output_buffer = VA_INVALID_ID;
509 static int vaapi_encode_output(AVCodecContext *avctx,
510 VAAPIEncodePicture *pic, AVPacket *pkt)
512 VAAPIEncodeContext *ctx = avctx->priv_data;
513 VACodedBufferSegment *buf_list, *buf;
517 err = vaapi_encode_wait(avctx, pic);
522 vas = vaMapBuffer(ctx->hwctx->display, pic->output_buffer,
524 if (vas != VA_STATUS_SUCCESS) {
525 av_log(avctx, AV_LOG_ERROR, "Failed to map output buffers: "
526 "%d (%s).\n", vas, vaErrorStr(vas));
531 for (buf = buf_list; buf; buf = buf->next) {
532 av_log(avctx, AV_LOG_DEBUG, "Output buffer: %u bytes "
533 "(status %08x).\n", buf->size, buf->status);
535 err = av_new_packet(pkt, buf->size);
539 memcpy(pkt->data, buf->buf, buf->size);
542 if (pic->type == PICTURE_TYPE_IDR)
543 pkt->flags |= AV_PKT_FLAG_KEY;
547 vas = vaUnmapBuffer(ctx->hwctx->display, pic->output_buffer);
548 if (vas != VA_STATUS_SUCCESS) {
549 av_log(avctx, AV_LOG_ERROR, "Failed to unmap output buffers: "
550 "%d (%s).\n", vas, vaErrorStr(vas));
555 av_buffer_unref(&pic->output_buffer_ref);
556 pic->output_buffer = VA_INVALID_ID;
558 av_log(avctx, AV_LOG_DEBUG, "Output read for pic %"PRId64"/%"PRId64".\n",
559 pic->display_order, pic->encode_order);
563 vaUnmapBuffer(ctx->hwctx->display, pic->output_buffer);
565 av_buffer_unref(&pic->output_buffer_ref);
566 pic->output_buffer = VA_INVALID_ID;
570 static int vaapi_encode_discard(AVCodecContext *avctx,
571 VAAPIEncodePicture *pic)
573 vaapi_encode_wait(avctx, pic);
575 if (pic->output_buffer_ref) {
576 av_log(avctx, AV_LOG_DEBUG, "Discard output for pic "
577 "%"PRId64"/%"PRId64".\n",
578 pic->display_order, pic->encode_order);
580 av_buffer_unref(&pic->output_buffer_ref);
581 pic->output_buffer = VA_INVALID_ID;
587 static VAAPIEncodePicture *vaapi_encode_alloc(AVCodecContext *avctx)
589 VAAPIEncodeContext *ctx = avctx->priv_data;
590 VAAPIEncodePicture *pic;
592 pic = av_mallocz(sizeof(*pic));
596 if (ctx->codec->picture_priv_data_size > 0) {
597 pic->priv_data = av_mallocz(ctx->codec->picture_priv_data_size);
598 if (!pic->priv_data) {
604 pic->input_surface = VA_INVALID_ID;
605 pic->recon_surface = VA_INVALID_ID;
606 pic->output_buffer = VA_INVALID_ID;
611 static int vaapi_encode_free(AVCodecContext *avctx,
612 VAAPIEncodePicture *pic)
616 if (pic->encode_issued)
617 vaapi_encode_discard(avctx, pic);
619 for (i = 0; i < pic->nb_slices; i++) {
621 av_freep(&pic->slices[i].priv_data);
622 av_freep(&pic->slices[i].codec_slice_params);
625 av_freep(&pic->codec_picture_params);
627 av_frame_free(&pic->input_image);
628 av_frame_free(&pic->recon_image);
630 av_freep(&pic->param_buffers);
631 av_freep(&pic->slices);
632 // Output buffer should already be destroyed.
633 av_assert0(pic->output_buffer == VA_INVALID_ID);
635 av_freep(&pic->priv_data);
636 av_freep(&pic->codec_picture_params);
643 static void vaapi_encode_add_ref(AVCodecContext *avctx,
644 VAAPIEncodePicture *pic,
645 VAAPIEncodePicture *target,
646 int is_ref, int in_dpb, int prev)
651 av_assert0(pic != target);
652 av_assert0(pic->nb_refs < MAX_PICTURE_REFERENCES);
653 pic->refs[pic->nb_refs++] = target;
658 av_assert0(pic->nb_dpb_pics < MAX_DPB_SIZE);
659 pic->dpb[pic->nb_dpb_pics++] = target;
664 av_assert0(!pic->prev);
669 target->ref_count[0] += refs;
670 target->ref_count[1] += refs;
673 static void vaapi_encode_remove_refs(AVCodecContext *avctx,
674 VAAPIEncodePicture *pic,
679 if (pic->ref_removed[level])
682 for (i = 0; i < pic->nb_refs; i++) {
683 av_assert0(pic->refs[i]);
684 --pic->refs[i]->ref_count[level];
685 av_assert0(pic->refs[i]->ref_count[level] >= 0);
688 for (i = 0; i < pic->nb_dpb_pics; i++) {
689 av_assert0(pic->dpb[i]);
690 --pic->dpb[i]->ref_count[level];
691 av_assert0(pic->dpb[i]->ref_count[level] >= 0);
694 av_assert0(pic->prev || pic->type == PICTURE_TYPE_IDR);
696 --pic->prev->ref_count[level];
697 av_assert0(pic->prev->ref_count[level] >= 0);
700 pic->ref_removed[level] = 1;
703 static void vaapi_encode_set_b_pictures(AVCodecContext *avctx,
704 VAAPIEncodePicture *start,
705 VAAPIEncodePicture *end,
706 VAAPIEncodePicture *prev,
708 VAAPIEncodePicture **last)
710 VAAPIEncodeContext *ctx = avctx->priv_data;
711 VAAPIEncodePicture *pic, *next, *ref;
714 av_assert0(start && end && start != end && start->next != end);
716 // If we are at the maximum depth then encode all pictures as
717 // non-referenced B-pictures. Also do this if there is exactly one
718 // picture left, since there will be nothing to reference it.
719 if (current_depth == ctx->max_b_depth || start->next->next == end) {
720 for (pic = start->next; pic; pic = pic->next) {
723 pic->type = PICTURE_TYPE_B;
724 pic->b_depth = current_depth;
726 vaapi_encode_add_ref(avctx, pic, start, 1, 1, 0);
727 vaapi_encode_add_ref(avctx, pic, end, 1, 1, 0);
728 vaapi_encode_add_ref(avctx, pic, prev, 0, 0, 1);
730 for (ref = end->refs[1]; ref; ref = ref->refs[1])
731 vaapi_encode_add_ref(avctx, pic, ref, 0, 1, 0);
736 // Split the current list at the midpoint with a referenced
737 // B-picture, then descend into each side separately.
739 for (pic = start->next; pic != end; pic = pic->next)
741 for (pic = start->next, i = 1; 2 * i < len; pic = pic->next, i++);
743 pic->type = PICTURE_TYPE_B;
744 pic->b_depth = current_depth;
746 pic->is_reference = 1;
748 vaapi_encode_add_ref(avctx, pic, pic, 0, 1, 0);
749 vaapi_encode_add_ref(avctx, pic, start, 1, 1, 0);
750 vaapi_encode_add_ref(avctx, pic, end, 1, 1, 0);
751 vaapi_encode_add_ref(avctx, pic, prev, 0, 0, 1);
753 for (ref = end->refs[1]; ref; ref = ref->refs[1])
754 vaapi_encode_add_ref(avctx, pic, ref, 0, 1, 0);
757 vaapi_encode_set_b_pictures(avctx, start, pic, pic,
758 current_depth + 1, &next);
762 vaapi_encode_set_b_pictures(avctx, pic, end, next,
763 current_depth + 1, last);
767 static int vaapi_encode_pick_next(AVCodecContext *avctx,
768 VAAPIEncodePicture **pic_out)
770 VAAPIEncodeContext *ctx = avctx->priv_data;
771 VAAPIEncodePicture *pic = NULL, *next, *start;
772 int i, b_counter, closed_gop_end;
774 // If there are any B-frames already queued, the next one to encode
775 // is the earliest not-yet-issued frame for which all references are
777 for (pic = ctx->pic_start; pic; pic = pic->next) {
778 if (pic->encode_issued)
780 if (pic->type != PICTURE_TYPE_B)
782 for (i = 0; i < pic->nb_refs; i++) {
783 if (!pic->refs[i]->encode_issued)
786 if (i == pic->nb_refs)
791 av_log(avctx, AV_LOG_DEBUG, "Pick B-picture at depth %d to "
792 "encode next.\n", pic->b_depth);
797 // Find the B-per-Pth available picture to become the next picture
801 closed_gop_end = ctx->closed_gop ||
802 ctx->idr_counter == ctx->gop_per_idr;
803 for (pic = ctx->pic_start; pic; pic = next) {
805 if (pic->encode_issued) {
809 // If the next available picture is force-IDR, encode it to start
810 // a new GOP immediately.
813 if (b_counter == ctx->b_per_p)
815 // If this picture ends a closed GOP or starts a new GOP then it
816 // needs to be in the top layer.
817 if (ctx->gop_counter + b_counter + closed_gop_end >= ctx->gop_size)
819 // If the picture after this one is force-IDR, we need to encode
820 // this one in the top layer.
821 if (next && next->force_idr)
826 // At the end of the stream the last picture must be in the top layer.
827 if (!pic && ctx->end_of_stream) {
830 if (pic->encode_issued)
835 av_log(avctx, AV_LOG_DEBUG, "Pick nothing to encode next - "
836 "need more input for reference pictures.\n");
837 return AVERROR(EAGAIN);
839 if (ctx->input_order <= ctx->decode_delay && !ctx->end_of_stream) {
840 av_log(avctx, AV_LOG_DEBUG, "Pick nothing to encode next - "
841 "need more input for timestamps.\n");
842 return AVERROR(EAGAIN);
845 if (pic->force_idr) {
846 av_log(avctx, AV_LOG_DEBUG, "Pick forced IDR-picture to "
848 pic->type = PICTURE_TYPE_IDR;
849 ctx->idr_counter = 1;
850 ctx->gop_counter = 1;
852 } else if (ctx->gop_counter + b_counter >= ctx->gop_size) {
853 if (ctx->idr_counter == ctx->gop_per_idr) {
854 av_log(avctx, AV_LOG_DEBUG, "Pick new-GOP IDR-picture to "
856 pic->type = PICTURE_TYPE_IDR;
857 ctx->idr_counter = 1;
859 av_log(avctx, AV_LOG_DEBUG, "Pick new-GOP I-picture to "
861 pic->type = PICTURE_TYPE_I;
864 ctx->gop_counter = 1;
867 if (ctx->gop_counter + b_counter + closed_gop_end == ctx->gop_size) {
868 av_log(avctx, AV_LOG_DEBUG, "Pick group-end P-picture to "
871 av_log(avctx, AV_LOG_DEBUG, "Pick normal P-picture to "
874 pic->type = PICTURE_TYPE_P;
876 ctx->gop_counter += 1 + b_counter;
878 pic->is_reference = 1;
881 vaapi_encode_add_ref(avctx, pic, pic, 0, 1, 0);
882 if (pic->type != PICTURE_TYPE_IDR) {
883 vaapi_encode_add_ref(avctx, pic, start,
884 pic->type == PICTURE_TYPE_P,
886 vaapi_encode_add_ref(avctx, pic, ctx->next_prev, 0, 0, 1);
889 --ctx->next_prev->ref_count[0];
892 vaapi_encode_set_b_pictures(avctx, start, pic, pic, 1,
895 ctx->next_prev = pic;
897 ++ctx->next_prev->ref_count[0];
901 static int vaapi_encode_clear_old(AVCodecContext *avctx)
903 VAAPIEncodeContext *ctx = avctx->priv_data;
904 VAAPIEncodePicture *pic, *prev, *next;
906 av_assert0(ctx->pic_start);
908 // Remove direct references once each picture is complete.
909 for (pic = ctx->pic_start; pic; pic = pic->next) {
910 if (pic->encode_complete && pic->next)
911 vaapi_encode_remove_refs(avctx, pic, 0);
914 // Remove indirect references once a picture has no direct references.
915 for (pic = ctx->pic_start; pic; pic = pic->next) {
916 if (pic->encode_complete && pic->ref_count[0] == 0)
917 vaapi_encode_remove_refs(avctx, pic, 1);
920 // Clear out all complete pictures with no remaining references.
922 for (pic = ctx->pic_start; pic; pic = next) {
924 if (pic->encode_complete && pic->ref_count[1] == 0) {
925 av_assert0(pic->ref_removed[0] && pic->ref_removed[1]);
929 ctx->pic_start = next;
930 vaapi_encode_free(avctx, pic);
939 static int vaapi_encode_check_frame(AVCodecContext *avctx,
940 const AVFrame *frame)
942 VAAPIEncodeContext *ctx = avctx->priv_data;
944 if ((frame->crop_top || frame->crop_bottom ||
945 frame->crop_left || frame->crop_right) && !ctx->crop_warned) {
946 av_log(avctx, AV_LOG_WARNING, "Cropping information on input "
947 "frames ignored due to lack of API support.\n");
948 ctx->crop_warned = 1;
954 int ff_vaapi_encode_send_frame(AVCodecContext *avctx, const AVFrame *frame)
956 VAAPIEncodeContext *ctx = avctx->priv_data;
957 VAAPIEncodePicture *pic;
961 av_log(avctx, AV_LOG_DEBUG, "Input frame: %ux%u (%"PRId64").\n",
962 frame->width, frame->height, frame->pts);
964 err = vaapi_encode_check_frame(avctx, frame);
968 pic = vaapi_encode_alloc(avctx);
970 return AVERROR(ENOMEM);
972 pic->input_image = av_frame_alloc();
973 if (!pic->input_image) {
974 err = AVERROR(ENOMEM);
977 err = av_frame_ref(pic->input_image, frame);
981 if (ctx->input_order == 0)
984 pic->input_surface = (VASurfaceID)(uintptr_t)frame->data[3];
985 pic->pts = frame->pts;
987 if (ctx->input_order == 0)
988 ctx->first_pts = pic->pts;
989 if (ctx->input_order == ctx->decode_delay)
990 ctx->dts_pts_diff = pic->pts - ctx->first_pts;
991 if (ctx->output_delay > 0)
992 ctx->ts_ring[ctx->input_order % (3 * ctx->output_delay)] = pic->pts;
994 pic->display_order = ctx->input_order;
997 if (ctx->pic_start) {
998 ctx->pic_end->next = pic;
1001 ctx->pic_start = pic;
1006 ctx->end_of_stream = 1;
1008 // Fix timestamps if we hit end-of-stream before the initial decode
1009 // delay has elapsed.
1010 if (ctx->input_order < ctx->decode_delay)
1011 ctx->dts_pts_diff = ctx->pic_end->pts - ctx->first_pts;
1020 int ff_vaapi_encode_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
1022 VAAPIEncodeContext *ctx = avctx->priv_data;
1023 VAAPIEncodePicture *pic;
1026 if (!ctx->pic_start) {
1027 if (ctx->end_of_stream)
1030 return AVERROR(EAGAIN);
1034 err = vaapi_encode_pick_next(avctx, &pic);
1039 pic->encode_order = ctx->encode_order++;
1041 err = vaapi_encode_issue(avctx, pic);
1043 av_log(avctx, AV_LOG_ERROR, "Encode failed: %d.\n", err);
1047 err = vaapi_encode_output(avctx, pic, pkt);
1049 av_log(avctx, AV_LOG_ERROR, "Output failed: %d.\n", err);
1053 if (ctx->output_delay == 0) {
1054 pkt->dts = pkt->pts;
1055 } else if (pic->encode_order < ctx->decode_delay) {
1056 if (ctx->ts_ring[pic->encode_order] < INT64_MIN + ctx->dts_pts_diff)
1057 pkt->dts = INT64_MIN;
1059 pkt->dts = ctx->ts_ring[pic->encode_order] - ctx->dts_pts_diff;
1061 pkt->dts = ctx->ts_ring[(pic->encode_order - ctx->decode_delay) %
1062 (3 * ctx->output_delay)];
1064 av_log(avctx, AV_LOG_DEBUG, "Output packet: pts %"PRId64" dts %"PRId64".\n",
1065 pkt->pts, pkt->dts);
1067 ctx->output_order = pic->encode_order;
1068 vaapi_encode_clear_old(avctx);
1074 static av_cold void vaapi_encode_add_global_param(AVCodecContext *avctx, int type,
1075 void *buffer, size_t size)
1077 VAAPIEncodeContext *ctx = avctx->priv_data;
1079 av_assert0(ctx->nb_global_params < MAX_GLOBAL_PARAMS);
1081 ctx->global_params_type[ctx->nb_global_params] = type;
1082 ctx->global_params [ctx->nb_global_params] = buffer;
1083 ctx->global_params_size[ctx->nb_global_params] = size;
1085 ++ctx->nb_global_params;
1088 typedef struct VAAPIEncodeRTFormat {
1095 } VAAPIEncodeRTFormat;
1097 static const VAAPIEncodeRTFormat vaapi_encode_rt_formats[] = {
1098 { "YUV400", VA_RT_FORMAT_YUV400, 8, 1, },
1099 { "YUV420", VA_RT_FORMAT_YUV420, 8, 3, 1, 1 },
1100 { "YUV422", VA_RT_FORMAT_YUV422, 8, 3, 1, 0 },
1101 { "YUV444", VA_RT_FORMAT_YUV444, 8, 3, 0, 0 },
1102 { "YUV411", VA_RT_FORMAT_YUV411, 8, 3, 2, 0 },
1103 #if VA_CHECK_VERSION(0, 38, 1)
1104 { "YUV420_10", VA_RT_FORMAT_YUV420_10BPP, 10, 3, 1, 1 },
1108 static const VAEntrypoint vaapi_encode_entrypoints_normal[] = {
1109 VAEntrypointEncSlice,
1110 VAEntrypointEncPicture,
1111 #if VA_CHECK_VERSION(0, 39, 2)
1112 VAEntrypointEncSliceLP,
1116 #if VA_CHECK_VERSION(0, 39, 2)
1117 static const VAEntrypoint vaapi_encode_entrypoints_low_power[] = {
1118 VAEntrypointEncSliceLP,
1123 static av_cold int vaapi_encode_profile_entrypoint(AVCodecContext *avctx)
1125 VAAPIEncodeContext *ctx = avctx->priv_data;
1126 VAProfile *va_profiles = NULL;
1127 VAEntrypoint *va_entrypoints = NULL;
1129 const VAEntrypoint *usable_entrypoints;
1130 const VAAPIEncodeProfile *profile;
1131 const AVPixFmtDescriptor *desc;
1132 VAConfigAttrib rt_format_attr;
1133 const VAAPIEncodeRTFormat *rt_format;
1134 const char *profile_string, *entrypoint_string;
1135 int i, j, n, depth, err;
1138 if (ctx->low_power) {
1139 #if VA_CHECK_VERSION(0, 39, 2)
1140 usable_entrypoints = vaapi_encode_entrypoints_low_power;
1142 av_log(avctx, AV_LOG_ERROR, "Low-power encoding is not "
1143 "supported with this VAAPI version.\n");
1144 return AVERROR(EINVAL);
1147 usable_entrypoints = vaapi_encode_entrypoints_normal;
1150 desc = av_pix_fmt_desc_get(ctx->input_frames->sw_format);
1152 av_log(avctx, AV_LOG_ERROR, "Invalid input pixfmt (%d).\n",
1153 ctx->input_frames->sw_format);
1154 return AVERROR(EINVAL);
1156 depth = desc->comp[0].depth;
1157 for (i = 1; i < desc->nb_components; i++) {
1158 if (desc->comp[i].depth != depth) {
1159 av_log(avctx, AV_LOG_ERROR, "Invalid input pixfmt (%s).\n",
1161 return AVERROR(EINVAL);
1164 av_log(avctx, AV_LOG_VERBOSE, "Input surface format is %s.\n",
1167 n = vaMaxNumProfiles(ctx->hwctx->display);
1168 va_profiles = av_malloc_array(n, sizeof(VAProfile));
1170 err = AVERROR(ENOMEM);
1173 vas = vaQueryConfigProfiles(ctx->hwctx->display, va_profiles, &n);
1174 if (vas != VA_STATUS_SUCCESS) {
1175 av_log(avctx, AV_LOG_ERROR, "Failed to query profiles: %d (%s).\n",
1176 vas, vaErrorStr(vas));
1177 err = AVERROR_EXTERNAL;
1181 av_assert0(ctx->codec->profiles);
1182 for (i = 0; (ctx->codec->profiles[i].av_profile !=
1183 FF_PROFILE_UNKNOWN); i++) {
1184 profile = &ctx->codec->profiles[i];
1185 if (depth != profile->depth ||
1186 desc->nb_components != profile->nb_components)
1188 if (desc->nb_components > 1 &&
1189 (desc->log2_chroma_w != profile->log2_chroma_w ||
1190 desc->log2_chroma_h != profile->log2_chroma_h))
1192 if (avctx->profile != profile->av_profile &&
1193 avctx->profile != FF_PROFILE_UNKNOWN)
1196 #if VA_CHECK_VERSION(1, 0, 0)
1197 profile_string = vaProfileStr(profile->va_profile);
1199 profile_string = "(no profile names)";
1202 for (j = 0; j < n; j++) {
1203 if (va_profiles[j] == profile->va_profile)
1207 av_log(avctx, AV_LOG_VERBOSE, "Compatible profile %s (%d) "
1208 "is not supported by driver.\n", profile_string,
1209 profile->va_profile);
1213 ctx->profile = profile;
1216 if (!ctx->profile) {
1217 av_log(avctx, AV_LOG_ERROR, "No usable encoding profile found.\n");
1218 err = AVERROR(ENOSYS);
1222 avctx->profile = profile->av_profile;
1223 ctx->va_profile = profile->va_profile;
1224 av_log(avctx, AV_LOG_VERBOSE, "Using VAAPI profile %s (%d).\n",
1225 profile_string, ctx->va_profile);
1227 n = vaMaxNumEntrypoints(ctx->hwctx->display);
1228 va_entrypoints = av_malloc_array(n, sizeof(VAEntrypoint));
1229 if (!va_entrypoints) {
1230 err = AVERROR(ENOMEM);
1233 vas = vaQueryConfigEntrypoints(ctx->hwctx->display, ctx->va_profile,
1234 va_entrypoints, &n);
1235 if (vas != VA_STATUS_SUCCESS) {
1236 av_log(avctx, AV_LOG_ERROR, "Failed to query entrypoints for "
1237 "profile %s (%d): %d (%s).\n", profile_string,
1238 ctx->va_profile, vas, vaErrorStr(vas));
1239 err = AVERROR_EXTERNAL;
1243 for (i = 0; i < n; i++) {
1244 for (j = 0; usable_entrypoints[j]; j++) {
1245 if (va_entrypoints[i] == usable_entrypoints[j])
1248 if (usable_entrypoints[j])
1252 av_log(avctx, AV_LOG_ERROR, "No usable encoding entrypoint found "
1253 "for profile %s (%d).\n", profile_string, ctx->va_profile);
1254 err = AVERROR(ENOSYS);
1258 ctx->va_entrypoint = va_entrypoints[i];
1259 #if VA_CHECK_VERSION(1, 0, 0)
1260 entrypoint_string = vaEntrypointStr(ctx->va_entrypoint);
1262 entrypoint_string = "(no entrypoint names)";
1264 av_log(avctx, AV_LOG_VERBOSE, "Using VAAPI entrypoint %s (%d).\n",
1265 entrypoint_string, ctx->va_entrypoint);
1267 for (i = 0; i < FF_ARRAY_ELEMS(vaapi_encode_rt_formats); i++) {
1268 rt_format = &vaapi_encode_rt_formats[i];
1269 if (rt_format->depth == depth &&
1270 rt_format->nb_components == profile->nb_components &&
1271 rt_format->log2_chroma_w == profile->log2_chroma_w &&
1272 rt_format->log2_chroma_h == profile->log2_chroma_h)
1275 if (i >= FF_ARRAY_ELEMS(vaapi_encode_rt_formats)) {
1276 av_log(avctx, AV_LOG_ERROR, "No usable render target format "
1277 "found for profile %s (%d) entrypoint %s (%d).\n",
1278 profile_string, ctx->va_profile,
1279 entrypoint_string, ctx->va_entrypoint);
1280 err = AVERROR(ENOSYS);
1284 rt_format_attr = (VAConfigAttrib) { VAConfigAttribRTFormat };
1285 vas = vaGetConfigAttributes(ctx->hwctx->display,
1286 ctx->va_profile, ctx->va_entrypoint,
1287 &rt_format_attr, 1);
1288 if (vas != VA_STATUS_SUCCESS) {
1289 av_log(avctx, AV_LOG_ERROR, "Failed to query RT format "
1290 "config attribute: %d (%s).\n", vas, vaErrorStr(vas));
1291 err = AVERROR_EXTERNAL;
1295 if (rt_format_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1296 av_log(avctx, AV_LOG_VERBOSE, "RT format config attribute not "
1297 "supported by driver: assuming surface RT format %s "
1298 "is valid.\n", rt_format->name);
1299 } else if (!(rt_format_attr.value & rt_format->value)) {
1300 av_log(avctx, AV_LOG_ERROR, "Surface RT format %s not supported "
1301 "by driver for encoding profile %s (%d) entrypoint %s (%d).\n",
1302 rt_format->name, profile_string, ctx->va_profile,
1303 entrypoint_string, ctx->va_entrypoint);
1304 err = AVERROR(ENOSYS);
1307 av_log(avctx, AV_LOG_VERBOSE, "Using VAAPI render target "
1308 "format %s (%#x).\n", rt_format->name, rt_format->value);
1309 ctx->config_attributes[ctx->nb_config_attributes++] =
1311 .type = VAConfigAttribRTFormat,
1312 .value = rt_format->value,
1318 av_freep(&va_profiles);
1319 av_freep(&va_entrypoints);
1323 static const VAAPIEncodeRCMode vaapi_encode_rc_modes[] = {
1325 // | Maxrate | HRD/VBV
1327 { RC_MODE_CQP, "CQP", 1, VA_RC_CQP, 0, 0, 1, 0 },
1328 { RC_MODE_CBR, "CBR", 1, VA_RC_CBR, 1, 0, 0, 1 },
1329 { RC_MODE_VBR, "VBR", 1, VA_RC_VBR, 1, 1, 0, 1 },
1330 #if VA_CHECK_VERSION(1, 1, 0)
1331 { RC_MODE_ICQ, "ICQ", 1, VA_RC_ICQ, 0, 0, 1, 0 },
1333 { RC_MODE_ICQ, "ICQ", 0 },
1335 #if VA_CHECK_VERSION(1, 3, 0)
1336 { RC_MODE_QVBR, "QVBR", 1, VA_RC_QVBR, 1, 1, 1, 1 },
1337 { RC_MODE_AVBR, "AVBR", 0, VA_RC_AVBR, 1, 0, 0, 0 },
1339 { RC_MODE_QVBR, "QVBR", 0 },
1340 { RC_MODE_AVBR, "AVBR", 0 },
1344 static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx)
1346 VAAPIEncodeContext *ctx = avctx->priv_data;
1347 uint32_t supported_va_rc_modes;
1348 const VAAPIEncodeRCMode *rc_mode;
1349 int64_t rc_bits_per_second;
1350 int rc_target_percentage;
1353 int64_t hrd_buffer_size;
1354 int64_t hrd_initial_buffer_fullness;
1356 VAConfigAttrib rc_attr = { VAConfigAttribRateControl };
1358 char supported_rc_modes_string[64];
1360 vas = vaGetConfigAttributes(ctx->hwctx->display,
1361 ctx->va_profile, ctx->va_entrypoint,
1363 if (vas != VA_STATUS_SUCCESS) {
1364 av_log(avctx, AV_LOG_ERROR, "Failed to query rate control "
1365 "config attribute: %d (%s).\n", vas, vaErrorStr(vas));
1366 return AVERROR_EXTERNAL;
1368 if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1369 av_log(avctx, AV_LOG_VERBOSE, "Driver does not report any "
1370 "supported rate control modes: assuming CQP only.\n");
1371 supported_va_rc_modes = VA_RC_CQP;
1372 strcpy(supported_rc_modes_string, "unknown");
1374 char *str = supported_rc_modes_string;
1375 size_t len = sizeof(supported_rc_modes_string);
1376 int i, first = 1, res;
1378 supported_va_rc_modes = rc_attr.value;
1379 for (i = 0; i < FF_ARRAY_ELEMS(vaapi_encode_rc_modes); i++) {
1380 rc_mode = &vaapi_encode_rc_modes[i];
1381 if (supported_va_rc_modes & rc_mode->va_mode) {
1382 res = snprintf(str, len, "%s%s",
1383 first ? "" : ", ", rc_mode->name);
1396 av_log(avctx, AV_LOG_DEBUG, "Driver supports RC modes %s.\n",
1397 supported_rc_modes_string);
1400 // Rate control mode selection:
1401 // * If the user has set a mode explicitly with the rc_mode option,
1402 // use it and fail if it is not available.
1403 // * If an explicit QP option has been set, use CQP.
1404 // * If the codec is CQ-only, use CQP.
1405 // * If the QSCALE avcodec option is set, use CQP.
1406 // * If bitrate and quality are both set, try QVBR.
1407 // * If quality is set, try ICQ, then CQP.
1408 // * If bitrate and maxrate are set and have the same value, try CBR.
1409 // * If a bitrate is set, try AVBR, then VBR, then CBR.
1410 // * If no bitrate is set, try ICQ, then CQP.
1412 #define TRY_RC_MODE(mode, fail) do { \
1413 rc_mode = &vaapi_encode_rc_modes[mode]; \
1414 if (!(rc_mode->va_mode & supported_va_rc_modes)) { \
1416 av_log(avctx, AV_LOG_ERROR, "Driver does not support %s " \
1417 "RC mode (supported modes: %s).\n", rc_mode->name, \
1418 supported_rc_modes_string); \
1419 return AVERROR(EINVAL); \
1421 av_log(avctx, AV_LOG_DEBUG, "Driver does not support %s " \
1422 "RC mode.\n", rc_mode->name); \
1425 goto rc_mode_found; \
1429 if (ctx->explicit_rc_mode)
1430 TRY_RC_MODE(ctx->explicit_rc_mode, 1);
1432 if (ctx->explicit_qp)
1433 TRY_RC_MODE(RC_MODE_CQP, 1);
1435 if (ctx->codec->flags & FLAG_CONSTANT_QUALITY_ONLY)
1436 TRY_RC_MODE(RC_MODE_CQP, 1);
1438 if (avctx->flags & AV_CODEC_FLAG_QSCALE)
1439 TRY_RC_MODE(RC_MODE_CQP, 1);
1441 if (avctx->bit_rate > 0 && avctx->global_quality > 0)
1442 TRY_RC_MODE(RC_MODE_QVBR, 0);
1444 if (avctx->global_quality > 0) {
1445 TRY_RC_MODE(RC_MODE_ICQ, 0);
1446 TRY_RC_MODE(RC_MODE_CQP, 0);
1449 if (avctx->bit_rate > 0 && avctx->rc_max_rate == avctx->bit_rate)
1450 TRY_RC_MODE(RC_MODE_CBR, 0);
1452 if (avctx->bit_rate > 0) {
1453 TRY_RC_MODE(RC_MODE_AVBR, 0);
1454 TRY_RC_MODE(RC_MODE_VBR, 0);
1455 TRY_RC_MODE(RC_MODE_CBR, 0);
1457 TRY_RC_MODE(RC_MODE_ICQ, 0);
1458 TRY_RC_MODE(RC_MODE_CQP, 0);
1461 av_log(avctx, AV_LOG_ERROR, "Driver does not support any "
1462 "RC mode compatible with selected options "
1463 "(supported modes: %s).\n", supported_rc_modes_string);
1464 return AVERROR(EINVAL);
1467 if (rc_mode->bitrate) {
1468 if (avctx->bit_rate <= 0) {
1469 av_log(avctx, AV_LOG_ERROR, "Bitrate must be set for %s "
1470 "RC mode.\n", rc_mode->name);
1471 return AVERROR(EINVAL);
1474 if (rc_mode->mode == RC_MODE_AVBR) {
1475 // For maximum confusion AVBR is hacked into the existing API
1476 // by overloading some of the fields with completely different
1479 // Target percentage does not apply in AVBR mode.
1480 rc_bits_per_second = avctx->bit_rate;
1482 // Accuracy tolerance range for meeting the specified target
1483 // bitrate. It's very unclear how this is actually intended
1484 // to work - since we do want to get the specified bitrate,
1485 // set the accuracy to 100% for now.
1486 rc_target_percentage = 100;
1488 // Convergence period in frames. The GOP size reflects the
1489 // user's intended block size for cutting, so reusing that
1490 // as the convergence period seems a reasonable default.
1491 rc_window_size = avctx->gop_size > 0 ? avctx->gop_size : 60;
1493 } else if (rc_mode->maxrate) {
1494 if (avctx->rc_max_rate > 0) {
1495 if (avctx->rc_max_rate < avctx->bit_rate) {
1496 av_log(avctx, AV_LOG_ERROR, "Invalid bitrate settings: "
1497 "bitrate (%"PRId64") must not be greater than "
1498 "maxrate (%"PRId64").\n", avctx->bit_rate,
1499 avctx->rc_max_rate);
1500 return AVERROR(EINVAL);
1502 rc_bits_per_second = avctx->rc_max_rate;
1503 rc_target_percentage = (avctx->bit_rate * 100) /
1506 // We only have a target bitrate, but this mode requires
1507 // that a maximum rate be supplied as well. Since the
1508 // user does not want this to be a constraint, arbitrarily
1509 // pick a maximum rate of double the target rate.
1510 rc_bits_per_second = 2 * avctx->bit_rate;
1511 rc_target_percentage = 50;
1514 if (avctx->rc_max_rate > avctx->bit_rate) {
1515 av_log(avctx, AV_LOG_WARNING, "Max bitrate is ignored "
1516 "in %s RC mode.\n", rc_mode->name);
1518 rc_bits_per_second = avctx->bit_rate;
1519 rc_target_percentage = 100;
1522 rc_bits_per_second = 0;
1523 rc_target_percentage = 100;
1526 if (rc_mode->quality) {
1527 if (ctx->explicit_qp) {
1528 rc_quality = ctx->explicit_qp;
1529 } else if (avctx->global_quality > 0) {
1530 rc_quality = avctx->global_quality;
1532 rc_quality = ctx->codec->default_quality;
1533 av_log(avctx, AV_LOG_WARNING, "No quality level set; "
1534 "using default (%d).\n", rc_quality);
1541 if (avctx->rc_buffer_size)
1542 hrd_buffer_size = avctx->rc_buffer_size;
1543 else if (avctx->rc_max_rate > 0)
1544 hrd_buffer_size = avctx->rc_max_rate;
1546 hrd_buffer_size = avctx->bit_rate;
1547 if (avctx->rc_initial_buffer_occupancy) {
1548 if (avctx->rc_initial_buffer_occupancy > hrd_buffer_size) {
1549 av_log(avctx, AV_LOG_ERROR, "Invalid RC buffer settings: "
1550 "must have initial buffer size (%d) <= "
1551 "buffer size (%"PRId64").\n",
1552 avctx->rc_initial_buffer_occupancy, hrd_buffer_size);
1553 return AVERROR(EINVAL);
1555 hrd_initial_buffer_fullness = avctx->rc_initial_buffer_occupancy;
1557 hrd_initial_buffer_fullness = hrd_buffer_size * 3 / 4;
1560 rc_window_size = (hrd_buffer_size * 1000) / rc_bits_per_second;
1562 if (avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
1563 av_log(avctx, AV_LOG_WARNING, "Buffering settings are ignored "
1564 "in %s RC mode.\n", rc_mode->name);
1567 hrd_buffer_size = 0;
1568 hrd_initial_buffer_fullness = 0;
1570 if (rc_mode->mode != RC_MODE_AVBR) {
1571 // Already set (with completely different meaning) for AVBR.
1572 rc_window_size = 1000;
1576 if (rc_bits_per_second > UINT32_MAX ||
1577 hrd_buffer_size > UINT32_MAX ||
1578 hrd_initial_buffer_fullness > UINT32_MAX) {
1579 av_log(avctx, AV_LOG_ERROR, "RC parameters of 2^32 or "
1580 "greater are not supported by VAAPI.\n");
1581 return AVERROR(EINVAL);
1584 ctx->rc_mode = rc_mode;
1585 ctx->rc_quality = rc_quality;
1586 ctx->va_rc_mode = rc_mode->va_mode;
1587 ctx->va_bit_rate = rc_bits_per_second;
1589 av_log(avctx, AV_LOG_VERBOSE, "RC mode: %s.\n", rc_mode->name);
1590 if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1591 // This driver does not want the RC mode attribute to be set.
1593 ctx->config_attributes[ctx->nb_config_attributes++] =
1595 .type = VAConfigAttribRateControl,
1596 .value = ctx->va_rc_mode,
1600 if (rc_mode->quality)
1601 av_log(avctx, AV_LOG_VERBOSE, "RC quality: %d.\n", rc_quality);
1603 if (rc_mode->va_mode != VA_RC_CQP) {
1604 if (rc_mode->mode == RC_MODE_AVBR) {
1605 av_log(avctx, AV_LOG_VERBOSE, "RC target: %"PRId64" bps "
1606 "converging in %d frames with %d%% accuracy.\n",
1607 rc_bits_per_second, rc_window_size,
1608 rc_target_percentage);
1609 } else if (rc_mode->bitrate) {
1610 av_log(avctx, AV_LOG_VERBOSE, "RC target: %d%% of "
1611 "%"PRId64" bps over %d ms.\n", rc_target_percentage,
1612 rc_bits_per_second, rc_window_size);
1615 ctx->rc_params = (VAEncMiscParameterRateControl) {
1616 .bits_per_second = rc_bits_per_second,
1617 .target_percentage = rc_target_percentage,
1618 .window_size = rc_window_size,
1620 .min_qp = (avctx->qmin > 0 ? avctx->qmin : 0),
1621 .basic_unit_size = 0,
1622 #if VA_CHECK_VERSION(1, 1, 0)
1623 .ICQ_quality_factor = av_clip(rc_quality, 1, 51),
1624 .max_qp = (avctx->qmax > 0 ? avctx->qmax : 0),
1626 #if VA_CHECK_VERSION(1, 3, 0)
1627 .quality_factor = rc_quality,
1630 vaapi_encode_add_global_param(avctx,
1631 VAEncMiscParameterTypeRateControl,
1633 sizeof(ctx->rc_params));
1637 av_log(avctx, AV_LOG_VERBOSE, "RC buffer: %"PRId64" bits, "
1638 "initial fullness %"PRId64" bits.\n",
1639 hrd_buffer_size, hrd_initial_buffer_fullness);
1641 ctx->hrd_params = (VAEncMiscParameterHRD) {
1642 .initial_buffer_fullness = hrd_initial_buffer_fullness,
1643 .buffer_size = hrd_buffer_size,
1645 vaapi_encode_add_global_param(avctx,
1646 VAEncMiscParameterTypeHRD,
1648 sizeof(ctx->hrd_params));
1651 if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
1652 av_reduce(&fr_num, &fr_den,
1653 avctx->framerate.num, avctx->framerate.den, 65535);
1655 av_reduce(&fr_num, &fr_den,
1656 avctx->time_base.den, avctx->time_base.num, 65535);
1658 av_log(avctx, AV_LOG_VERBOSE, "RC framerate: %d/%d (%.2f fps).\n",
1659 fr_num, fr_den, (double)fr_num / fr_den);
1661 ctx->fr_params = (VAEncMiscParameterFrameRate) {
1662 .framerate = (unsigned int)fr_den << 16 | fr_num,
1664 #if VA_CHECK_VERSION(0, 40, 0)
1665 vaapi_encode_add_global_param(avctx,
1666 VAEncMiscParameterTypeFrameRate,
1668 sizeof(ctx->fr_params));
1674 static av_cold int vaapi_encode_init_gop_structure(AVCodecContext *avctx)
1676 VAAPIEncodeContext *ctx = avctx->priv_data;
1678 VAConfigAttrib attr = { VAConfigAttribEncMaxRefFrames };
1679 uint32_t ref_l0, ref_l1;
1681 vas = vaGetConfigAttributes(ctx->hwctx->display,
1685 if (vas != VA_STATUS_SUCCESS) {
1686 av_log(avctx, AV_LOG_ERROR, "Failed to query reference frames "
1687 "attribute: %d (%s).\n", vas, vaErrorStr(vas));
1688 return AVERROR_EXTERNAL;
1691 if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1692 ref_l0 = ref_l1 = 0;
1694 ref_l0 = attr.value & 0xffff;
1695 ref_l1 = attr.value >> 16 & 0xffff;
1698 if (ctx->codec->flags & FLAG_INTRA_ONLY ||
1699 avctx->gop_size <= 1) {
1700 av_log(avctx, AV_LOG_VERBOSE, "Using intra frames only.\n");
1702 } else if (ref_l0 < 1) {
1703 av_log(avctx, AV_LOG_ERROR, "Driver does not support any "
1704 "reference frames.\n");
1705 return AVERROR(EINVAL);
1706 } else if (!(ctx->codec->flags & FLAG_B_PICTURES) ||
1707 ref_l1 < 1 || avctx->max_b_frames < 1) {
1708 av_log(avctx, AV_LOG_VERBOSE, "Using intra and P-frames "
1709 "(supported references: %d / %d).\n", ref_l0, ref_l1);
1710 ctx->gop_size = avctx->gop_size;
1711 ctx->p_per_i = INT_MAX;
1714 av_log(avctx, AV_LOG_VERBOSE, "Using intra, P- and B-frames "
1715 "(supported references: %d / %d).\n", ref_l0, ref_l1);
1716 ctx->gop_size = avctx->gop_size;
1717 ctx->p_per_i = INT_MAX;
1718 ctx->b_per_p = avctx->max_b_frames;
1719 if (ctx->codec->flags & FLAG_B_PICTURE_REFERENCES) {
1720 ctx->max_b_depth = FFMIN(ctx->desired_b_depth,
1721 av_log2(ctx->b_per_p) + 1);
1723 ctx->max_b_depth = 1;
1727 if (ctx->codec->flags & FLAG_NON_IDR_KEY_PICTURES) {
1728 ctx->closed_gop = !!(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
1729 ctx->gop_per_idr = ctx->idr_interval + 1;
1731 ctx->closed_gop = 1;
1732 ctx->gop_per_idr = 1;
1738 static av_cold int vaapi_encode_init_slice_structure(AVCodecContext *avctx)
1740 VAAPIEncodeContext *ctx = avctx->priv_data;
1741 VAConfigAttrib attr[2] = { { VAConfigAttribEncMaxSlices },
1742 { VAConfigAttribEncSliceStructure } };
1744 uint32_t max_slices, slice_structure;
1747 if (!(ctx->codec->flags & FLAG_SLICE_CONTROL)) {
1748 if (avctx->slices > 0) {
1749 av_log(avctx, AV_LOG_WARNING, "Multiple slices were requested "
1750 "but this codec does not support controlling slices.\n");
1755 ctx->slice_block_rows = (avctx->height + ctx->slice_block_height - 1) /
1756 ctx->slice_block_height;
1757 ctx->slice_block_cols = (avctx->width + ctx->slice_block_width - 1) /
1758 ctx->slice_block_width;
1760 if (avctx->slices <= 1) {
1762 ctx->slice_size = ctx->slice_block_rows;
1766 vas = vaGetConfigAttributes(ctx->hwctx->display,
1769 attr, FF_ARRAY_ELEMS(attr));
1770 if (vas != VA_STATUS_SUCCESS) {
1771 av_log(avctx, AV_LOG_ERROR, "Failed to query slice "
1772 "attributes: %d (%s).\n", vas, vaErrorStr(vas));
1773 return AVERROR_EXTERNAL;
1775 max_slices = attr[0].value;
1776 slice_structure = attr[1].value;
1777 if (max_slices == VA_ATTRIB_NOT_SUPPORTED ||
1778 slice_structure == VA_ATTRIB_NOT_SUPPORTED) {
1779 av_log(avctx, AV_LOG_ERROR, "Driver does not support encoding "
1780 "pictures as multiple slices.\n.");
1781 return AVERROR(EINVAL);
1784 // For fixed-size slices currently we only support whole rows, making
1785 // rectangular slices. This could be extended to arbitrary runs of
1786 // blocks, but since slices tend to be a conformance requirement and
1787 // most cases (such as broadcast or bluray) want rectangular slices
1788 // only it would need to be gated behind another option.
1789 if (avctx->slices > ctx->slice_block_rows) {
1790 av_log(avctx, AV_LOG_WARNING, "Not enough rows to use "
1791 "configured number of slices (%d < %d); using "
1792 "maximum.\n", ctx->slice_block_rows, avctx->slices);
1793 req_slices = ctx->slice_block_rows;
1795 req_slices = avctx->slices;
1797 if (slice_structure & VA_ENC_SLICE_STRUCTURE_ARBITRARY_ROWS ||
1798 slice_structure & VA_ENC_SLICE_STRUCTURE_ARBITRARY_MACROBLOCKS) {
1799 ctx->nb_slices = req_slices;
1800 ctx->slice_size = ctx->slice_block_rows / ctx->nb_slices;
1801 } else if (slice_structure & VA_ENC_SLICE_STRUCTURE_POWER_OF_TWO_ROWS) {
1803 for (k = 1;; k *= 2) {
1804 if (2 * k * (req_slices - 1) + 1 >= ctx->slice_block_rows)
1807 ctx->nb_slices = (ctx->slice_block_rows + k - 1) / k;
1808 ctx->slice_size = k;
1809 #if VA_CHECK_VERSION(1, 0, 0)
1810 } else if (slice_structure & VA_ENC_SLICE_STRUCTURE_EQUAL_ROWS) {
1811 ctx->nb_slices = ctx->slice_block_rows;
1812 ctx->slice_size = 1;
1815 av_log(avctx, AV_LOG_ERROR, "Driver does not support any usable "
1816 "slice structure modes (%#x).\n", slice_structure);
1817 return AVERROR(EINVAL);
1820 if (ctx->nb_slices > avctx->slices) {
1821 av_log(avctx, AV_LOG_WARNING, "Slice count rounded up to "
1822 "%d (from %d) due to driver constraints on slice "
1823 "structure.\n", ctx->nb_slices, avctx->slices);
1825 if (ctx->nb_slices > max_slices) {
1826 av_log(avctx, AV_LOG_ERROR, "Driver does not support "
1827 "encoding with %d slices (max %"PRIu32").\n",
1828 ctx->nb_slices, max_slices);
1829 return AVERROR(EINVAL);
1832 av_log(avctx, AV_LOG_VERBOSE, "Encoding pictures with %d slices "
1833 "(default size %d block rows).\n",
1834 ctx->nb_slices, ctx->slice_size);
1838 static av_cold int vaapi_encode_init_packed_headers(AVCodecContext *avctx)
1840 VAAPIEncodeContext *ctx = avctx->priv_data;
1842 VAConfigAttrib attr = { VAConfigAttribEncPackedHeaders };
1844 vas = vaGetConfigAttributes(ctx->hwctx->display,
1848 if (vas != VA_STATUS_SUCCESS) {
1849 av_log(avctx, AV_LOG_ERROR, "Failed to query packed headers "
1850 "attribute: %d (%s).\n", vas, vaErrorStr(vas));
1851 return AVERROR_EXTERNAL;
1854 if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1855 if (ctx->desired_packed_headers) {
1856 av_log(avctx, AV_LOG_WARNING, "Driver does not support any "
1857 "packed headers (wanted %#x).\n",
1858 ctx->desired_packed_headers);
1860 av_log(avctx, AV_LOG_VERBOSE, "Driver does not support any "
1861 "packed headers (none wanted).\n");
1863 ctx->va_packed_headers = 0;
1865 if (ctx->desired_packed_headers & ~attr.value) {
1866 av_log(avctx, AV_LOG_WARNING, "Driver does not support some "
1867 "wanted packed headers (wanted %#x, found %#x).\n",
1868 ctx->desired_packed_headers, attr.value);
1870 av_log(avctx, AV_LOG_VERBOSE, "All wanted packed headers "
1871 "available (wanted %#x, found %#x).\n",
1872 ctx->desired_packed_headers, attr.value);
1874 ctx->va_packed_headers = ctx->desired_packed_headers & attr.value;
1877 if (ctx->va_packed_headers) {
1878 ctx->config_attributes[ctx->nb_config_attributes++] =
1880 .type = VAConfigAttribEncPackedHeaders,
1881 .value = ctx->va_packed_headers,
1885 if ( (ctx->desired_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE) &&
1886 !(ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE) &&
1887 (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)) {
1888 av_log(avctx, AV_LOG_WARNING, "Driver does not support packed "
1889 "sequence headers, but a global header is requested.\n");
1890 av_log(avctx, AV_LOG_WARNING, "No global header will be written: "
1891 "this may result in a stream which is not usable for some "
1892 "purposes (e.g. not muxable to some containers).\n");
1898 static av_cold int vaapi_encode_init_quality(AVCodecContext *avctx)
1900 #if VA_CHECK_VERSION(0, 36, 0)
1901 VAAPIEncodeContext *ctx = avctx->priv_data;
1903 VAConfigAttrib attr = { VAConfigAttribEncQualityRange };
1904 int quality = avctx->compression_level;
1906 vas = vaGetConfigAttributes(ctx->hwctx->display,
1910 if (vas != VA_STATUS_SUCCESS) {
1911 av_log(avctx, AV_LOG_ERROR, "Failed to query quality "
1912 "config attribute: %d (%s).\n", vas, vaErrorStr(vas));
1913 return AVERROR_EXTERNAL;
1916 if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1918 av_log(avctx, AV_LOG_WARNING, "Quality attribute is not "
1919 "supported: will use default quality level.\n");
1922 if (quality > attr.value) {
1923 av_log(avctx, AV_LOG_WARNING, "Invalid quality level: "
1924 "valid range is 0-%d, using %d.\n",
1925 attr.value, attr.value);
1926 quality = attr.value;
1929 ctx->quality_params = (VAEncMiscParameterBufferQualityLevel) {
1930 .quality_level = quality,
1932 vaapi_encode_add_global_param(avctx,
1933 VAEncMiscParameterTypeQualityLevel,
1934 &ctx->quality_params,
1935 sizeof(ctx->quality_params));
1938 av_log(avctx, AV_LOG_WARNING, "The encode quality option is "
1939 "not supported with this VAAPI version.\n");
1945 static void vaapi_encode_free_output_buffer(void *opaque,
1948 AVCodecContext *avctx = opaque;
1949 VAAPIEncodeContext *ctx = avctx->priv_data;
1950 VABufferID buffer_id;
1952 buffer_id = (VABufferID)(uintptr_t)data;
1954 vaDestroyBuffer(ctx->hwctx->display, buffer_id);
1956 av_log(avctx, AV_LOG_DEBUG, "Freed output buffer %#x\n", buffer_id);
1959 static AVBufferRef *vaapi_encode_alloc_output_buffer(void *opaque,
1962 AVCodecContext *avctx = opaque;
1963 VAAPIEncodeContext *ctx = avctx->priv_data;
1964 VABufferID buffer_id;
1968 // The output buffer size is fixed, so it needs to be large enough
1969 // to hold the largest possible compressed frame. We assume here
1970 // that the uncompressed frame plus some header data is an upper
1972 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
1973 VAEncCodedBufferType,
1974 3 * ctx->surface_width * ctx->surface_height +
1975 (1 << 16), 1, 0, &buffer_id);
1976 if (vas != VA_STATUS_SUCCESS) {
1977 av_log(avctx, AV_LOG_ERROR, "Failed to create bitstream "
1978 "output buffer: %d (%s).\n", vas, vaErrorStr(vas));
1982 av_log(avctx, AV_LOG_DEBUG, "Allocated output buffer %#x\n", buffer_id);
1984 ref = av_buffer_create((uint8_t*)(uintptr_t)buffer_id,
1986 &vaapi_encode_free_output_buffer,
1987 avctx, AV_BUFFER_FLAG_READONLY);
1989 vaDestroyBuffer(ctx->hwctx->display, buffer_id);
1996 static av_cold int vaapi_encode_create_recon_frames(AVCodecContext *avctx)
1998 VAAPIEncodeContext *ctx = avctx->priv_data;
1999 AVVAAPIHWConfig *hwconfig = NULL;
2000 AVHWFramesConstraints *constraints = NULL;
2001 enum AVPixelFormat recon_format;
2004 hwconfig = av_hwdevice_hwconfig_alloc(ctx->device_ref);
2006 err = AVERROR(ENOMEM);
2009 hwconfig->config_id = ctx->va_config;
2011 constraints = av_hwdevice_get_hwframe_constraints(ctx->device_ref,
2014 err = AVERROR(ENOMEM);
2018 // Probably we can use the input surface format as the surface format
2019 // of the reconstructed frames. If not, we just pick the first (only?)
2020 // format in the valid list and hope that it all works.
2021 recon_format = AV_PIX_FMT_NONE;
2022 if (constraints->valid_sw_formats) {
2023 for (i = 0; constraints->valid_sw_formats[i] != AV_PIX_FMT_NONE; i++) {
2024 if (ctx->input_frames->sw_format ==
2025 constraints->valid_sw_formats[i]) {
2026 recon_format = ctx->input_frames->sw_format;
2030 if (recon_format == AV_PIX_FMT_NONE) {
2031 // No match. Just use the first in the supported list and
2032 // hope for the best.
2033 recon_format = constraints->valid_sw_formats[0];
2036 // No idea what to use; copy input format.
2037 recon_format = ctx->input_frames->sw_format;
2039 av_log(avctx, AV_LOG_DEBUG, "Using %s as format of "
2040 "reconstructed frames.\n", av_get_pix_fmt_name(recon_format));
2042 if (ctx->surface_width < constraints->min_width ||
2043 ctx->surface_height < constraints->min_height ||
2044 ctx->surface_width > constraints->max_width ||
2045 ctx->surface_height > constraints->max_height) {
2046 av_log(avctx, AV_LOG_ERROR, "Hardware does not support encoding at "
2047 "size %dx%d (constraints: width %d-%d height %d-%d).\n",
2048 ctx->surface_width, ctx->surface_height,
2049 constraints->min_width, constraints->max_width,
2050 constraints->min_height, constraints->max_height);
2051 err = AVERROR(EINVAL);
2055 av_freep(&hwconfig);
2056 av_hwframe_constraints_free(&constraints);
2058 ctx->recon_frames_ref = av_hwframe_ctx_alloc(ctx->device_ref);
2059 if (!ctx->recon_frames_ref) {
2060 err = AVERROR(ENOMEM);
2063 ctx->recon_frames = (AVHWFramesContext*)ctx->recon_frames_ref->data;
2065 ctx->recon_frames->format = AV_PIX_FMT_VAAPI;
2066 ctx->recon_frames->sw_format = recon_format;
2067 ctx->recon_frames->width = ctx->surface_width;
2068 ctx->recon_frames->height = ctx->surface_height;
2070 err = av_hwframe_ctx_init(ctx->recon_frames_ref);
2072 av_log(avctx, AV_LOG_ERROR, "Failed to initialise reconstructed "
2073 "frame context: %d.\n", err);
2079 av_freep(&hwconfig);
2080 av_hwframe_constraints_free(&constraints);
2084 av_cold int ff_vaapi_encode_init(AVCodecContext *avctx)
2086 VAAPIEncodeContext *ctx = avctx->priv_data;
2087 AVVAAPIFramesContext *recon_hwctx = NULL;
2091 if (!avctx->hw_frames_ctx) {
2092 av_log(avctx, AV_LOG_ERROR, "A hardware frames reference is "
2093 "required to associate the encoding device.\n");
2094 return AVERROR(EINVAL);
2097 ctx->va_config = VA_INVALID_ID;
2098 ctx->va_context = VA_INVALID_ID;
2100 ctx->input_frames_ref = av_buffer_ref(avctx->hw_frames_ctx);
2101 if (!ctx->input_frames_ref) {
2102 err = AVERROR(ENOMEM);
2105 ctx->input_frames = (AVHWFramesContext*)ctx->input_frames_ref->data;
2107 ctx->device_ref = av_buffer_ref(ctx->input_frames->device_ref);
2108 if (!ctx->device_ref) {
2109 err = AVERROR(ENOMEM);
2112 ctx->device = (AVHWDeviceContext*)ctx->device_ref->data;
2113 ctx->hwctx = ctx->device->hwctx;
2115 err = vaapi_encode_profile_entrypoint(avctx);
2119 err = vaapi_encode_init_rate_control(avctx);
2123 err = vaapi_encode_init_gop_structure(avctx);
2127 err = vaapi_encode_init_slice_structure(avctx);
2131 err = vaapi_encode_init_packed_headers(avctx);
2135 if (avctx->compression_level >= 0) {
2136 err = vaapi_encode_init_quality(avctx);
2141 vas = vaCreateConfig(ctx->hwctx->display,
2142 ctx->va_profile, ctx->va_entrypoint,
2143 ctx->config_attributes, ctx->nb_config_attributes,
2145 if (vas != VA_STATUS_SUCCESS) {
2146 av_log(avctx, AV_LOG_ERROR, "Failed to create encode pipeline "
2147 "configuration: %d (%s).\n", vas, vaErrorStr(vas));
2152 err = vaapi_encode_create_recon_frames(avctx);
2156 recon_hwctx = ctx->recon_frames->hwctx;
2157 vas = vaCreateContext(ctx->hwctx->display, ctx->va_config,
2158 ctx->surface_width, ctx->surface_height,
2160 recon_hwctx->surface_ids,
2161 recon_hwctx->nb_surfaces,
2163 if (vas != VA_STATUS_SUCCESS) {
2164 av_log(avctx, AV_LOG_ERROR, "Failed to create encode pipeline "
2165 "context: %d (%s).\n", vas, vaErrorStr(vas));
2170 ctx->output_buffer_pool =
2171 av_buffer_pool_init2(sizeof(VABufferID), avctx,
2172 &vaapi_encode_alloc_output_buffer, NULL);
2173 if (!ctx->output_buffer_pool) {
2174 err = AVERROR(ENOMEM);
2178 if (ctx->codec->configure) {
2179 err = ctx->codec->configure(avctx);
2184 ctx->output_delay = ctx->b_per_p;
2185 ctx->decode_delay = ctx->max_b_depth;
2187 if (ctx->codec->sequence_params_size > 0) {
2188 ctx->codec_sequence_params =
2189 av_mallocz(ctx->codec->sequence_params_size);
2190 if (!ctx->codec_sequence_params) {
2191 err = AVERROR(ENOMEM);
2195 if (ctx->codec->picture_params_size > 0) {
2196 ctx->codec_picture_params =
2197 av_mallocz(ctx->codec->picture_params_size);
2198 if (!ctx->codec_picture_params) {
2199 err = AVERROR(ENOMEM);
2204 if (ctx->codec->init_sequence_params) {
2205 err = ctx->codec->init_sequence_params(avctx);
2207 av_log(avctx, AV_LOG_ERROR, "Codec sequence initialisation "
2208 "failed: %d.\n", err);
2213 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE &&
2214 ctx->codec->write_sequence_header &&
2215 avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
2216 char data[MAX_PARAM_BUFFER_SIZE];
2217 size_t bit_len = 8 * sizeof(data);
2219 err = ctx->codec->write_sequence_header(avctx, data, &bit_len);
2221 av_log(avctx, AV_LOG_ERROR, "Failed to write sequence header "
2222 "for extradata: %d.\n", err);
2225 avctx->extradata_size = (bit_len + 7) / 8;
2226 avctx->extradata = av_mallocz(avctx->extradata_size +
2227 AV_INPUT_BUFFER_PADDING_SIZE);
2228 if (!avctx->extradata) {
2229 err = AVERROR(ENOMEM);
2232 memcpy(avctx->extradata, data, avctx->extradata_size);
2239 ff_vaapi_encode_close(avctx);
2243 av_cold int ff_vaapi_encode_close(AVCodecContext *avctx)
2245 VAAPIEncodeContext *ctx = avctx->priv_data;
2246 VAAPIEncodePicture *pic, *next;
2248 for (pic = ctx->pic_start; pic; pic = next) {
2250 vaapi_encode_free(avctx, pic);
2253 av_buffer_pool_uninit(&ctx->output_buffer_pool);
2255 if (ctx->va_context != VA_INVALID_ID) {
2256 vaDestroyContext(ctx->hwctx->display, ctx->va_context);
2257 ctx->va_context = VA_INVALID_ID;
2260 if (ctx->va_config != VA_INVALID_ID) {
2261 vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
2262 ctx->va_config = VA_INVALID_ID;
2265 av_freep(&ctx->codec_sequence_params);
2266 av_freep(&ctx->codec_picture_params);
2268 av_buffer_unref(&ctx->recon_frames_ref);
2269 av_buffer_unref(&ctx->input_frames_ref);
2270 av_buffer_unref(&ctx->device_ref);