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];
169 av_unused AVFrameSideData *sd;
171 av_log(avctx, AV_LOG_DEBUG, "Issuing encode for pic %"PRId64"/%"PRId64" "
172 "as type %s.\n", pic->display_order, pic->encode_order,
173 picture_type_name[pic->type]);
174 if (pic->nb_refs == 0) {
175 av_log(avctx, AV_LOG_DEBUG, "No reference pictures.\n");
177 av_log(avctx, AV_LOG_DEBUG, "Refers to:");
178 for (i = 0; i < pic->nb_refs; i++) {
179 av_log(avctx, AV_LOG_DEBUG, " %"PRId64"/%"PRId64,
180 pic->refs[i]->display_order, pic->refs[i]->encode_order);
182 av_log(avctx, AV_LOG_DEBUG, ".\n");
185 av_assert0(!pic->encode_issued);
186 for (i = 0; i < pic->nb_refs; i++) {
187 av_assert0(pic->refs[i]);
188 av_assert0(pic->refs[i]->encode_issued);
191 av_log(avctx, AV_LOG_DEBUG, "Input surface is %#x.\n", pic->input_surface);
193 pic->recon_image = av_frame_alloc();
194 if (!pic->recon_image) {
195 err = AVERROR(ENOMEM);
199 err = av_hwframe_get_buffer(ctx->recon_frames_ref, pic->recon_image, 0);
201 err = AVERROR(ENOMEM);
204 pic->recon_surface = (VASurfaceID)(uintptr_t)pic->recon_image->data[3];
205 av_log(avctx, AV_LOG_DEBUG, "Recon surface is %#x.\n", pic->recon_surface);
207 pic->output_buffer_ref = av_buffer_pool_get(ctx->output_buffer_pool);
208 if (!pic->output_buffer_ref) {
209 err = AVERROR(ENOMEM);
212 pic->output_buffer = (VABufferID)(uintptr_t)pic->output_buffer_ref->data;
213 av_log(avctx, AV_LOG_DEBUG, "Output buffer is %#x.\n",
216 if (ctx->codec->picture_params_size > 0) {
217 pic->codec_picture_params = av_malloc(ctx->codec->picture_params_size);
218 if (!pic->codec_picture_params)
220 memcpy(pic->codec_picture_params, ctx->codec_picture_params,
221 ctx->codec->picture_params_size);
223 av_assert0(!ctx->codec_picture_params);
226 pic->nb_param_buffers = 0;
228 if (pic->type == PICTURE_TYPE_IDR && ctx->codec->init_sequence_params) {
229 err = vaapi_encode_make_param_buffer(avctx, pic,
230 VAEncSequenceParameterBufferType,
231 ctx->codec_sequence_params,
232 ctx->codec->sequence_params_size);
237 if (pic->type == PICTURE_TYPE_IDR) {
238 for (i = 0; i < ctx->nb_global_params; i++) {
239 err = vaapi_encode_make_misc_param_buffer(avctx, pic,
240 ctx->global_params_type[i],
241 ctx->global_params[i],
242 ctx->global_params_size[i]);
248 if (ctx->codec->init_picture_params) {
249 err = ctx->codec->init_picture_params(avctx, pic);
251 av_log(avctx, AV_LOG_ERROR, "Failed to initialise picture "
252 "parameters: %d.\n", err);
255 err = vaapi_encode_make_param_buffer(avctx, pic,
256 VAEncPictureParameterBufferType,
257 pic->codec_picture_params,
258 ctx->codec->picture_params_size);
263 if (pic->type == PICTURE_TYPE_IDR) {
264 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE &&
265 ctx->codec->write_sequence_header) {
266 bit_len = 8 * sizeof(data);
267 err = ctx->codec->write_sequence_header(avctx, data, &bit_len);
269 av_log(avctx, AV_LOG_ERROR, "Failed to write per-sequence "
270 "header: %d.\n", err);
273 err = vaapi_encode_make_packed_header(avctx, pic,
274 ctx->codec->sequence_header_type,
281 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_PICTURE &&
282 ctx->codec->write_picture_header) {
283 bit_len = 8 * sizeof(data);
284 err = ctx->codec->write_picture_header(avctx, pic, data, &bit_len);
286 av_log(avctx, AV_LOG_ERROR, "Failed to write per-picture "
287 "header: %d.\n", err);
290 err = vaapi_encode_make_packed_header(avctx, pic,
291 ctx->codec->picture_header_type,
297 if (ctx->codec->write_extra_buffer) {
299 size_t len = sizeof(data);
301 err = ctx->codec->write_extra_buffer(avctx, pic, i, &type,
303 if (err == AVERROR_EOF)
306 av_log(avctx, AV_LOG_ERROR, "Failed to write extra "
307 "buffer %d: %d.\n", i, err);
311 err = vaapi_encode_make_param_buffer(avctx, pic, type,
318 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_MISC &&
319 ctx->codec->write_extra_header) {
322 bit_len = 8 * sizeof(data);
323 err = ctx->codec->write_extra_header(avctx, pic, i, &type,
325 if (err == AVERROR_EOF)
328 av_log(avctx, AV_LOG_ERROR, "Failed to write extra "
329 "header %d: %d.\n", i, err);
333 err = vaapi_encode_make_packed_header(avctx, pic, type,
340 if (pic->nb_slices == 0)
341 pic->nb_slices = ctx->nb_slices;
342 if (pic->nb_slices > 0) {
345 pic->slices = av_mallocz_array(pic->nb_slices, sizeof(*pic->slices));
347 err = AVERROR(ENOMEM);
351 for (i = 0; i < pic->nb_slices; i++)
352 pic->slices[i].row_size = ctx->slice_size;
354 rounding = ctx->slice_block_rows - ctx->nb_slices * ctx->slice_size;
356 // Place rounding error at top and bottom of frame.
357 av_assert0(rounding < pic->nb_slices);
358 // Some Intel drivers contain a bug where the encoder will fail
359 // if the last slice is smaller than the one before it. Since
360 // that's straightforward to avoid here, just do so.
362 for (i = 0; i < rounding; i++)
363 ++pic->slices[i].row_size;
365 for (i = 0; i < (rounding + 1) / 2; i++)
366 ++pic->slices[pic->nb_slices - i - 1].row_size;
367 for (i = 0; i < rounding / 2; i++)
368 ++pic->slices[i].row_size;
370 } else if (rounding < 0) {
371 // Remove rounding error from last slice only.
372 av_assert0(rounding < ctx->slice_size);
373 pic->slices[pic->nb_slices - 1].row_size += rounding;
376 for (i = 0; i < pic->nb_slices; i++) {
377 slice = &pic->slices[i];
380 slice->row_start = 0;
381 slice->block_start = 0;
383 const VAAPIEncodeSlice *prev = &pic->slices[i - 1];
384 slice->row_start = prev->row_start + prev->row_size;
385 slice->block_start = prev->block_start + prev->block_size;
387 slice->block_size = slice->row_size * ctx->slice_block_cols;
389 av_log(avctx, AV_LOG_DEBUG, "Slice %d: %d-%d (%d rows), "
390 "%d-%d (%d blocks).\n", i, slice->row_start,
391 slice->row_start + slice->row_size - 1, slice->row_size,
392 slice->block_start, slice->block_start + slice->block_size - 1,
395 if (ctx->codec->slice_params_size > 0) {
396 slice->codec_slice_params = av_mallocz(ctx->codec->slice_params_size);
397 if (!slice->codec_slice_params) {
398 err = AVERROR(ENOMEM);
403 if (ctx->codec->init_slice_params) {
404 err = ctx->codec->init_slice_params(avctx, pic, slice);
406 av_log(avctx, AV_LOG_ERROR, "Failed to initialise slice "
407 "parameters: %d.\n", err);
412 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SLICE &&
413 ctx->codec->write_slice_header) {
414 bit_len = 8 * sizeof(data);
415 err = ctx->codec->write_slice_header(avctx, pic, slice,
418 av_log(avctx, AV_LOG_ERROR, "Failed to write per-slice "
419 "header: %d.\n", err);
422 err = vaapi_encode_make_packed_header(avctx, pic,
423 ctx->codec->slice_header_type,
429 if (ctx->codec->init_slice_params) {
430 err = vaapi_encode_make_param_buffer(avctx, pic,
431 VAEncSliceParameterBufferType,
432 slice->codec_slice_params,
433 ctx->codec->slice_params_size);
439 #if VA_CHECK_VERSION(1, 0, 0)
440 sd = av_frame_get_side_data(pic->input_image,
441 AV_FRAME_DATA_REGIONS_OF_INTEREST);
442 if (sd && ctx->roi_allowed) {
443 const AVRegionOfInterest *roi;
445 VAEncMiscParameterBufferROI param_roi;
448 roi = (const AVRegionOfInterest*)sd->data;
449 roi_size = roi->self_size;
450 av_assert0(roi_size && sd->size % roi_size == 0);
451 nb_roi = sd->size / roi_size;
452 if (nb_roi > ctx->roi_max_regions) {
453 if (!ctx->roi_warned) {
454 av_log(avctx, AV_LOG_WARNING, "More ROIs set than "
455 "supported by driver (%d > %d).\n",
456 nb_roi, ctx->roi_max_regions);
459 nb_roi = ctx->roi_max_regions;
462 pic->roi = av_mallocz_array(nb_roi, sizeof(*pic->roi));
464 err = AVERROR(ENOMEM);
467 // For overlapping regions, the first in the array takes priority.
468 for (i = 0; i < nb_roi; i++) {
469 roi = (const AVRegionOfInterest*)(sd->data + roi_size * i);
471 av_assert0(roi->qoffset.den != 0);
472 v = roi->qoffset.num * ctx->roi_quant_range / roi->qoffset.den;
473 av_log(avctx, AV_LOG_DEBUG, "ROI: (%d,%d)-(%d,%d) -> %+d.\n",
474 roi->top, roi->left, roi->bottom, roi->right, v);
476 pic->roi[i] = (VAEncROI) {
480 .width = roi->right - roi->left,
481 .height = roi->bottom - roi->top,
483 .roi_value = av_clip_int8(v),
487 param_roi = (VAEncMiscParameterBufferROI) {
489 .max_delta_qp = INT8_MAX,
490 .min_delta_qp = INT8_MIN,
492 .roi_flags.bits.roi_value_is_qp_delta = 1,
495 err = vaapi_encode_make_misc_param_buffer(avctx, pic,
496 VAEncMiscParameterTypeROI,
504 vas = vaBeginPicture(ctx->hwctx->display, ctx->va_context,
506 if (vas != VA_STATUS_SUCCESS) {
507 av_log(avctx, AV_LOG_ERROR, "Failed to begin picture encode issue: "
508 "%d (%s).\n", vas, vaErrorStr(vas));
510 goto fail_with_picture;
513 vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
514 pic->param_buffers, pic->nb_param_buffers);
515 if (vas != VA_STATUS_SUCCESS) {
516 av_log(avctx, AV_LOG_ERROR, "Failed to upload encode parameters: "
517 "%d (%s).\n", vas, vaErrorStr(vas));
519 goto fail_with_picture;
522 vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
523 if (vas != VA_STATUS_SUCCESS) {
524 av_log(avctx, AV_LOG_ERROR, "Failed to end picture encode issue: "
525 "%d (%s).\n", vas, vaErrorStr(vas));
527 // vaRenderPicture() has been called here, so we should not destroy
528 // the parameter buffers unless separate destruction is required.
529 if (CONFIG_VAAPI_1 || ctx->hwctx->driver_quirks &
530 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS)
536 if (CONFIG_VAAPI_1 || ctx->hwctx->driver_quirks &
537 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS) {
538 for (i = 0; i < pic->nb_param_buffers; i++) {
539 vas = vaDestroyBuffer(ctx->hwctx->display,
540 pic->param_buffers[i]);
541 if (vas != VA_STATUS_SUCCESS) {
542 av_log(avctx, AV_LOG_ERROR, "Failed to destroy "
543 "param buffer %#x: %d (%s).\n",
544 pic->param_buffers[i], vas, vaErrorStr(vas));
550 pic->encode_issued = 1;
555 vaEndPicture(ctx->hwctx->display, ctx->va_context);
557 for(i = 0; i < pic->nb_param_buffers; i++)
558 vaDestroyBuffer(ctx->hwctx->display, pic->param_buffers[i]);
559 for (i = 0; i < pic->nb_slices; i++) {
561 av_freep(&pic->slices[i].priv_data);
562 av_freep(&pic->slices[i].codec_slice_params);
566 av_freep(&pic->codec_picture_params);
567 av_freep(&pic->param_buffers);
568 av_freep(&pic->slices);
570 av_frame_free(&pic->recon_image);
571 av_buffer_unref(&pic->output_buffer_ref);
572 pic->output_buffer = VA_INVALID_ID;
576 static int vaapi_encode_output(AVCodecContext *avctx,
577 VAAPIEncodePicture *pic, AVPacket *pkt)
579 VAAPIEncodeContext *ctx = avctx->priv_data;
580 VACodedBufferSegment *buf_list, *buf;
584 err = vaapi_encode_wait(avctx, pic);
589 vas = vaMapBuffer(ctx->hwctx->display, pic->output_buffer,
591 if (vas != VA_STATUS_SUCCESS) {
592 av_log(avctx, AV_LOG_ERROR, "Failed to map output buffers: "
593 "%d (%s).\n", vas, vaErrorStr(vas));
598 for (buf = buf_list; buf; buf = buf->next) {
599 av_log(avctx, AV_LOG_DEBUG, "Output buffer: %u bytes "
600 "(status %08x).\n", buf->size, buf->status);
602 err = av_new_packet(pkt, buf->size);
606 memcpy(pkt->data, buf->buf, buf->size);
609 if (pic->type == PICTURE_TYPE_IDR)
610 pkt->flags |= AV_PKT_FLAG_KEY;
614 vas = vaUnmapBuffer(ctx->hwctx->display, pic->output_buffer);
615 if (vas != VA_STATUS_SUCCESS) {
616 av_log(avctx, AV_LOG_ERROR, "Failed to unmap output buffers: "
617 "%d (%s).\n", vas, vaErrorStr(vas));
622 av_buffer_unref(&pic->output_buffer_ref);
623 pic->output_buffer = VA_INVALID_ID;
625 av_log(avctx, AV_LOG_DEBUG, "Output read for pic %"PRId64"/%"PRId64".\n",
626 pic->display_order, pic->encode_order);
630 vaUnmapBuffer(ctx->hwctx->display, pic->output_buffer);
632 av_buffer_unref(&pic->output_buffer_ref);
633 pic->output_buffer = VA_INVALID_ID;
637 static int vaapi_encode_discard(AVCodecContext *avctx,
638 VAAPIEncodePicture *pic)
640 vaapi_encode_wait(avctx, pic);
642 if (pic->output_buffer_ref) {
643 av_log(avctx, AV_LOG_DEBUG, "Discard output for pic "
644 "%"PRId64"/%"PRId64".\n",
645 pic->display_order, pic->encode_order);
647 av_buffer_unref(&pic->output_buffer_ref);
648 pic->output_buffer = VA_INVALID_ID;
654 static VAAPIEncodePicture *vaapi_encode_alloc(AVCodecContext *avctx)
656 VAAPIEncodeContext *ctx = avctx->priv_data;
657 VAAPIEncodePicture *pic;
659 pic = av_mallocz(sizeof(*pic));
663 if (ctx->codec->picture_priv_data_size > 0) {
664 pic->priv_data = av_mallocz(ctx->codec->picture_priv_data_size);
665 if (!pic->priv_data) {
671 pic->input_surface = VA_INVALID_ID;
672 pic->recon_surface = VA_INVALID_ID;
673 pic->output_buffer = VA_INVALID_ID;
678 static int vaapi_encode_free(AVCodecContext *avctx,
679 VAAPIEncodePicture *pic)
683 if (pic->encode_issued)
684 vaapi_encode_discard(avctx, pic);
686 for (i = 0; i < pic->nb_slices; i++) {
688 av_freep(&pic->slices[i].priv_data);
689 av_freep(&pic->slices[i].codec_slice_params);
692 av_freep(&pic->codec_picture_params);
694 av_frame_free(&pic->input_image);
695 av_frame_free(&pic->recon_image);
697 av_freep(&pic->param_buffers);
698 av_freep(&pic->slices);
699 // Output buffer should already be destroyed.
700 av_assert0(pic->output_buffer == VA_INVALID_ID);
702 av_freep(&pic->priv_data);
703 av_freep(&pic->codec_picture_params);
711 static void vaapi_encode_add_ref(AVCodecContext *avctx,
712 VAAPIEncodePicture *pic,
713 VAAPIEncodePicture *target,
714 int is_ref, int in_dpb, int prev)
719 av_assert0(pic != target);
720 av_assert0(pic->nb_refs < MAX_PICTURE_REFERENCES);
721 pic->refs[pic->nb_refs++] = target;
726 av_assert0(pic->nb_dpb_pics < MAX_DPB_SIZE);
727 pic->dpb[pic->nb_dpb_pics++] = target;
732 av_assert0(!pic->prev);
737 target->ref_count[0] += refs;
738 target->ref_count[1] += refs;
741 static void vaapi_encode_remove_refs(AVCodecContext *avctx,
742 VAAPIEncodePicture *pic,
747 if (pic->ref_removed[level])
750 for (i = 0; i < pic->nb_refs; i++) {
751 av_assert0(pic->refs[i]);
752 --pic->refs[i]->ref_count[level];
753 av_assert0(pic->refs[i]->ref_count[level] >= 0);
756 for (i = 0; i < pic->nb_dpb_pics; i++) {
757 av_assert0(pic->dpb[i]);
758 --pic->dpb[i]->ref_count[level];
759 av_assert0(pic->dpb[i]->ref_count[level] >= 0);
762 av_assert0(pic->prev || pic->type == PICTURE_TYPE_IDR);
764 --pic->prev->ref_count[level];
765 av_assert0(pic->prev->ref_count[level] >= 0);
768 pic->ref_removed[level] = 1;
771 static void vaapi_encode_set_b_pictures(AVCodecContext *avctx,
772 VAAPIEncodePicture *start,
773 VAAPIEncodePicture *end,
774 VAAPIEncodePicture *prev,
776 VAAPIEncodePicture **last)
778 VAAPIEncodeContext *ctx = avctx->priv_data;
779 VAAPIEncodePicture *pic, *next, *ref;
782 av_assert0(start && end && start != end && start->next != end);
784 // If we are at the maximum depth then encode all pictures as
785 // non-referenced B-pictures. Also do this if there is exactly one
786 // picture left, since there will be nothing to reference it.
787 if (current_depth == ctx->max_b_depth || start->next->next == end) {
788 for (pic = start->next; pic; pic = pic->next) {
791 pic->type = PICTURE_TYPE_B;
792 pic->b_depth = current_depth;
794 vaapi_encode_add_ref(avctx, pic, start, 1, 1, 0);
795 vaapi_encode_add_ref(avctx, pic, end, 1, 1, 0);
796 vaapi_encode_add_ref(avctx, pic, prev, 0, 0, 1);
798 for (ref = end->refs[1]; ref; ref = ref->refs[1])
799 vaapi_encode_add_ref(avctx, pic, ref, 0, 1, 0);
804 // Split the current list at the midpoint with a referenced
805 // B-picture, then descend into each side separately.
807 for (pic = start->next; pic != end; pic = pic->next)
809 for (pic = start->next, i = 1; 2 * i < len; pic = pic->next, i++);
811 pic->type = PICTURE_TYPE_B;
812 pic->b_depth = current_depth;
814 pic->is_reference = 1;
816 vaapi_encode_add_ref(avctx, pic, pic, 0, 1, 0);
817 vaapi_encode_add_ref(avctx, pic, start, 1, 1, 0);
818 vaapi_encode_add_ref(avctx, pic, end, 1, 1, 0);
819 vaapi_encode_add_ref(avctx, pic, prev, 0, 0, 1);
821 for (ref = end->refs[1]; ref; ref = ref->refs[1])
822 vaapi_encode_add_ref(avctx, pic, ref, 0, 1, 0);
825 vaapi_encode_set_b_pictures(avctx, start, pic, pic,
826 current_depth + 1, &next);
830 vaapi_encode_set_b_pictures(avctx, pic, end, next,
831 current_depth + 1, last);
835 static int vaapi_encode_pick_next(AVCodecContext *avctx,
836 VAAPIEncodePicture **pic_out)
838 VAAPIEncodeContext *ctx = avctx->priv_data;
839 VAAPIEncodePicture *pic = NULL, *next, *start;
840 int i, b_counter, closed_gop_end;
842 // If there are any B-frames already queued, the next one to encode
843 // is the earliest not-yet-issued frame for which all references are
845 for (pic = ctx->pic_start; pic; pic = pic->next) {
846 if (pic->encode_issued)
848 if (pic->type != PICTURE_TYPE_B)
850 for (i = 0; i < pic->nb_refs; i++) {
851 if (!pic->refs[i]->encode_issued)
854 if (i == pic->nb_refs)
859 av_log(avctx, AV_LOG_DEBUG, "Pick B-picture at depth %d to "
860 "encode next.\n", pic->b_depth);
865 // Find the B-per-Pth available picture to become the next picture
869 closed_gop_end = ctx->closed_gop ||
870 ctx->idr_counter == ctx->gop_per_idr;
871 for (pic = ctx->pic_start; pic; pic = next) {
873 if (pic->encode_issued) {
877 // If the next available picture is force-IDR, encode it to start
878 // a new GOP immediately.
881 if (b_counter == ctx->b_per_p)
883 // If this picture ends a closed GOP or starts a new GOP then it
884 // needs to be in the top layer.
885 if (ctx->gop_counter + b_counter + closed_gop_end >= ctx->gop_size)
887 // If the picture after this one is force-IDR, we need to encode
888 // this one in the top layer.
889 if (next && next->force_idr)
894 // At the end of the stream the last picture must be in the top layer.
895 if (!pic && ctx->end_of_stream) {
898 if (pic->encode_issued)
903 av_log(avctx, AV_LOG_DEBUG, "Pick nothing to encode next - "
904 "need more input for reference pictures.\n");
905 return AVERROR(EAGAIN);
907 if (ctx->input_order <= ctx->decode_delay && !ctx->end_of_stream) {
908 av_log(avctx, AV_LOG_DEBUG, "Pick nothing to encode next - "
909 "need more input for timestamps.\n");
910 return AVERROR(EAGAIN);
913 if (pic->force_idr) {
914 av_log(avctx, AV_LOG_DEBUG, "Pick forced IDR-picture to "
916 pic->type = PICTURE_TYPE_IDR;
917 ctx->idr_counter = 1;
918 ctx->gop_counter = 1;
920 } else if (ctx->gop_counter + b_counter >= ctx->gop_size) {
921 if (ctx->idr_counter == ctx->gop_per_idr) {
922 av_log(avctx, AV_LOG_DEBUG, "Pick new-GOP IDR-picture to "
924 pic->type = PICTURE_TYPE_IDR;
925 ctx->idr_counter = 1;
927 av_log(avctx, AV_LOG_DEBUG, "Pick new-GOP I-picture to "
929 pic->type = PICTURE_TYPE_I;
932 ctx->gop_counter = 1;
935 if (ctx->gop_counter + b_counter + closed_gop_end == ctx->gop_size) {
936 av_log(avctx, AV_LOG_DEBUG, "Pick group-end P-picture to "
939 av_log(avctx, AV_LOG_DEBUG, "Pick normal P-picture to "
942 pic->type = PICTURE_TYPE_P;
944 ctx->gop_counter += 1 + b_counter;
946 pic->is_reference = 1;
949 vaapi_encode_add_ref(avctx, pic, pic, 0, 1, 0);
950 if (pic->type != PICTURE_TYPE_IDR) {
951 vaapi_encode_add_ref(avctx, pic, start,
952 pic->type == PICTURE_TYPE_P,
954 vaapi_encode_add_ref(avctx, pic, ctx->next_prev, 0, 0, 1);
957 --ctx->next_prev->ref_count[0];
960 vaapi_encode_set_b_pictures(avctx, start, pic, pic, 1,
963 ctx->next_prev = pic;
965 ++ctx->next_prev->ref_count[0];
969 static int vaapi_encode_clear_old(AVCodecContext *avctx)
971 VAAPIEncodeContext *ctx = avctx->priv_data;
972 VAAPIEncodePicture *pic, *prev, *next;
974 av_assert0(ctx->pic_start);
976 // Remove direct references once each picture is complete.
977 for (pic = ctx->pic_start; pic; pic = pic->next) {
978 if (pic->encode_complete && pic->next)
979 vaapi_encode_remove_refs(avctx, pic, 0);
982 // Remove indirect references once a picture has no direct references.
983 for (pic = ctx->pic_start; pic; pic = pic->next) {
984 if (pic->encode_complete && pic->ref_count[0] == 0)
985 vaapi_encode_remove_refs(avctx, pic, 1);
988 // Clear out all complete pictures with no remaining references.
990 for (pic = ctx->pic_start; pic; pic = next) {
992 if (pic->encode_complete && pic->ref_count[1] == 0) {
993 av_assert0(pic->ref_removed[0] && pic->ref_removed[1]);
997 ctx->pic_start = next;
998 vaapi_encode_free(avctx, pic);
1007 static int vaapi_encode_check_frame(AVCodecContext *avctx,
1008 const AVFrame *frame)
1010 VAAPIEncodeContext *ctx = avctx->priv_data;
1012 if ((frame->crop_top || frame->crop_bottom ||
1013 frame->crop_left || frame->crop_right) && !ctx->crop_warned) {
1014 av_log(avctx, AV_LOG_WARNING, "Cropping information on input "
1015 "frames ignored due to lack of API support.\n");
1016 ctx->crop_warned = 1;
1019 if (!ctx->roi_allowed) {
1020 AVFrameSideData *sd =
1021 av_frame_get_side_data(frame, AV_FRAME_DATA_REGIONS_OF_INTEREST);
1023 if (sd && !ctx->roi_warned) {
1024 av_log(avctx, AV_LOG_WARNING, "ROI side data on input "
1025 "frames ignored due to lack of driver support.\n");
1026 ctx->roi_warned = 1;
1033 int ff_vaapi_encode_send_frame(AVCodecContext *avctx, const AVFrame *frame)
1035 VAAPIEncodeContext *ctx = avctx->priv_data;
1036 VAAPIEncodePicture *pic;
1040 av_log(avctx, AV_LOG_DEBUG, "Input frame: %ux%u (%"PRId64").\n",
1041 frame->width, frame->height, frame->pts);
1043 err = vaapi_encode_check_frame(avctx, frame);
1047 pic = vaapi_encode_alloc(avctx);
1049 return AVERROR(ENOMEM);
1051 pic->input_image = av_frame_alloc();
1052 if (!pic->input_image) {
1053 err = AVERROR(ENOMEM);
1056 err = av_frame_ref(pic->input_image, frame);
1060 if (ctx->input_order == 0 || frame->pict_type == AV_PICTURE_TYPE_I)
1063 pic->input_surface = (VASurfaceID)(uintptr_t)frame->data[3];
1064 pic->pts = frame->pts;
1066 if (ctx->input_order == 0)
1067 ctx->first_pts = pic->pts;
1068 if (ctx->input_order == ctx->decode_delay)
1069 ctx->dts_pts_diff = pic->pts - ctx->first_pts;
1070 if (ctx->output_delay > 0)
1071 ctx->ts_ring[ctx->input_order % (3 * ctx->output_delay)] = pic->pts;
1073 pic->display_order = ctx->input_order;
1076 if (ctx->pic_start) {
1077 ctx->pic_end->next = pic;
1080 ctx->pic_start = pic;
1085 ctx->end_of_stream = 1;
1087 // Fix timestamps if we hit end-of-stream before the initial decode
1088 // delay has elapsed.
1089 if (ctx->input_order < ctx->decode_delay)
1090 ctx->dts_pts_diff = ctx->pic_end->pts - ctx->first_pts;
1099 int ff_vaapi_encode_receive_packet(AVCodecContext *avctx, AVPacket *pkt)
1101 VAAPIEncodeContext *ctx = avctx->priv_data;
1102 VAAPIEncodePicture *pic;
1105 if (!ctx->pic_start) {
1106 if (ctx->end_of_stream)
1109 return AVERROR(EAGAIN);
1113 err = vaapi_encode_pick_next(avctx, &pic);
1118 pic->encode_order = ctx->encode_order++;
1120 err = vaapi_encode_issue(avctx, pic);
1122 av_log(avctx, AV_LOG_ERROR, "Encode failed: %d.\n", err);
1126 err = vaapi_encode_output(avctx, pic, pkt);
1128 av_log(avctx, AV_LOG_ERROR, "Output failed: %d.\n", err);
1132 if (ctx->output_delay == 0) {
1133 pkt->dts = pkt->pts;
1134 } else if (pic->encode_order < ctx->decode_delay) {
1135 if (ctx->ts_ring[pic->encode_order] < INT64_MIN + ctx->dts_pts_diff)
1136 pkt->dts = INT64_MIN;
1138 pkt->dts = ctx->ts_ring[pic->encode_order] - ctx->dts_pts_diff;
1140 pkt->dts = ctx->ts_ring[(pic->encode_order - ctx->decode_delay) %
1141 (3 * ctx->output_delay)];
1143 av_log(avctx, AV_LOG_DEBUG, "Output packet: pts %"PRId64" dts %"PRId64".\n",
1144 pkt->pts, pkt->dts);
1146 ctx->output_order = pic->encode_order;
1147 vaapi_encode_clear_old(avctx);
1153 static av_cold void vaapi_encode_add_global_param(AVCodecContext *avctx, int type,
1154 void *buffer, size_t size)
1156 VAAPIEncodeContext *ctx = avctx->priv_data;
1158 av_assert0(ctx->nb_global_params < MAX_GLOBAL_PARAMS);
1160 ctx->global_params_type[ctx->nb_global_params] = type;
1161 ctx->global_params [ctx->nb_global_params] = buffer;
1162 ctx->global_params_size[ctx->nb_global_params] = size;
1164 ++ctx->nb_global_params;
1167 typedef struct VAAPIEncodeRTFormat {
1174 } VAAPIEncodeRTFormat;
1176 static const VAAPIEncodeRTFormat vaapi_encode_rt_formats[] = {
1177 { "YUV400", VA_RT_FORMAT_YUV400, 8, 1, },
1178 { "YUV420", VA_RT_FORMAT_YUV420, 8, 3, 1, 1 },
1179 { "YUV422", VA_RT_FORMAT_YUV422, 8, 3, 1, 0 },
1180 { "YUV444", VA_RT_FORMAT_YUV444, 8, 3, 0, 0 },
1181 { "YUV411", VA_RT_FORMAT_YUV411, 8, 3, 2, 0 },
1182 #if VA_CHECK_VERSION(0, 38, 1)
1183 { "YUV420_10", VA_RT_FORMAT_YUV420_10BPP, 10, 3, 1, 1 },
1187 static const VAEntrypoint vaapi_encode_entrypoints_normal[] = {
1188 VAEntrypointEncSlice,
1189 VAEntrypointEncPicture,
1190 #if VA_CHECK_VERSION(0, 39, 2)
1191 VAEntrypointEncSliceLP,
1195 #if VA_CHECK_VERSION(0, 39, 2)
1196 static const VAEntrypoint vaapi_encode_entrypoints_low_power[] = {
1197 VAEntrypointEncSliceLP,
1202 static av_cold int vaapi_encode_profile_entrypoint(AVCodecContext *avctx)
1204 VAAPIEncodeContext *ctx = avctx->priv_data;
1205 VAProfile *va_profiles = NULL;
1206 VAEntrypoint *va_entrypoints = NULL;
1208 const VAEntrypoint *usable_entrypoints;
1209 const VAAPIEncodeProfile *profile;
1210 const AVPixFmtDescriptor *desc;
1211 VAConfigAttrib rt_format_attr;
1212 const VAAPIEncodeRTFormat *rt_format;
1213 const char *profile_string, *entrypoint_string;
1214 int i, j, n, depth, err;
1217 if (ctx->low_power) {
1218 #if VA_CHECK_VERSION(0, 39, 2)
1219 usable_entrypoints = vaapi_encode_entrypoints_low_power;
1221 av_log(avctx, AV_LOG_ERROR, "Low-power encoding is not "
1222 "supported with this VAAPI version.\n");
1223 return AVERROR(EINVAL);
1226 usable_entrypoints = vaapi_encode_entrypoints_normal;
1229 desc = av_pix_fmt_desc_get(ctx->input_frames->sw_format);
1231 av_log(avctx, AV_LOG_ERROR, "Invalid input pixfmt (%d).\n",
1232 ctx->input_frames->sw_format);
1233 return AVERROR(EINVAL);
1235 depth = desc->comp[0].depth;
1236 for (i = 1; i < desc->nb_components; i++) {
1237 if (desc->comp[i].depth != depth) {
1238 av_log(avctx, AV_LOG_ERROR, "Invalid input pixfmt (%s).\n",
1240 return AVERROR(EINVAL);
1243 av_log(avctx, AV_LOG_VERBOSE, "Input surface format is %s.\n",
1246 n = vaMaxNumProfiles(ctx->hwctx->display);
1247 va_profiles = av_malloc_array(n, sizeof(VAProfile));
1249 err = AVERROR(ENOMEM);
1252 vas = vaQueryConfigProfiles(ctx->hwctx->display, va_profiles, &n);
1253 if (vas != VA_STATUS_SUCCESS) {
1254 av_log(avctx, AV_LOG_ERROR, "Failed to query profiles: %d (%s).\n",
1255 vas, vaErrorStr(vas));
1256 err = AVERROR_EXTERNAL;
1260 av_assert0(ctx->codec->profiles);
1261 for (i = 0; (ctx->codec->profiles[i].av_profile !=
1262 FF_PROFILE_UNKNOWN); i++) {
1263 profile = &ctx->codec->profiles[i];
1264 if (depth != profile->depth ||
1265 desc->nb_components != profile->nb_components)
1267 if (desc->nb_components > 1 &&
1268 (desc->log2_chroma_w != profile->log2_chroma_w ||
1269 desc->log2_chroma_h != profile->log2_chroma_h))
1271 if (avctx->profile != profile->av_profile &&
1272 avctx->profile != FF_PROFILE_UNKNOWN)
1275 #if VA_CHECK_VERSION(1, 0, 0)
1276 profile_string = vaProfileStr(profile->va_profile);
1278 profile_string = "(no profile names)";
1281 for (j = 0; j < n; j++) {
1282 if (va_profiles[j] == profile->va_profile)
1286 av_log(avctx, AV_LOG_VERBOSE, "Compatible profile %s (%d) "
1287 "is not supported by driver.\n", profile_string,
1288 profile->va_profile);
1292 ctx->profile = profile;
1295 if (!ctx->profile) {
1296 av_log(avctx, AV_LOG_ERROR, "No usable encoding profile found.\n");
1297 err = AVERROR(ENOSYS);
1301 avctx->profile = profile->av_profile;
1302 ctx->va_profile = profile->va_profile;
1303 av_log(avctx, AV_LOG_VERBOSE, "Using VAAPI profile %s (%d).\n",
1304 profile_string, ctx->va_profile);
1306 n = vaMaxNumEntrypoints(ctx->hwctx->display);
1307 va_entrypoints = av_malloc_array(n, sizeof(VAEntrypoint));
1308 if (!va_entrypoints) {
1309 err = AVERROR(ENOMEM);
1312 vas = vaQueryConfigEntrypoints(ctx->hwctx->display, ctx->va_profile,
1313 va_entrypoints, &n);
1314 if (vas != VA_STATUS_SUCCESS) {
1315 av_log(avctx, AV_LOG_ERROR, "Failed to query entrypoints for "
1316 "profile %s (%d): %d (%s).\n", profile_string,
1317 ctx->va_profile, vas, vaErrorStr(vas));
1318 err = AVERROR_EXTERNAL;
1322 for (i = 0; i < n; i++) {
1323 for (j = 0; usable_entrypoints[j]; j++) {
1324 if (va_entrypoints[i] == usable_entrypoints[j])
1327 if (usable_entrypoints[j])
1331 av_log(avctx, AV_LOG_ERROR, "No usable encoding entrypoint found "
1332 "for profile %s (%d).\n", profile_string, ctx->va_profile);
1333 err = AVERROR(ENOSYS);
1337 ctx->va_entrypoint = va_entrypoints[i];
1338 #if VA_CHECK_VERSION(1, 0, 0)
1339 entrypoint_string = vaEntrypointStr(ctx->va_entrypoint);
1341 entrypoint_string = "(no entrypoint names)";
1343 av_log(avctx, AV_LOG_VERBOSE, "Using VAAPI entrypoint %s (%d).\n",
1344 entrypoint_string, ctx->va_entrypoint);
1346 for (i = 0; i < FF_ARRAY_ELEMS(vaapi_encode_rt_formats); i++) {
1347 rt_format = &vaapi_encode_rt_formats[i];
1348 if (rt_format->depth == depth &&
1349 rt_format->nb_components == profile->nb_components &&
1350 rt_format->log2_chroma_w == profile->log2_chroma_w &&
1351 rt_format->log2_chroma_h == profile->log2_chroma_h)
1354 if (i >= FF_ARRAY_ELEMS(vaapi_encode_rt_formats)) {
1355 av_log(avctx, AV_LOG_ERROR, "No usable render target format "
1356 "found for profile %s (%d) entrypoint %s (%d).\n",
1357 profile_string, ctx->va_profile,
1358 entrypoint_string, ctx->va_entrypoint);
1359 err = AVERROR(ENOSYS);
1363 rt_format_attr = (VAConfigAttrib) { VAConfigAttribRTFormat };
1364 vas = vaGetConfigAttributes(ctx->hwctx->display,
1365 ctx->va_profile, ctx->va_entrypoint,
1366 &rt_format_attr, 1);
1367 if (vas != VA_STATUS_SUCCESS) {
1368 av_log(avctx, AV_LOG_ERROR, "Failed to query RT format "
1369 "config attribute: %d (%s).\n", vas, vaErrorStr(vas));
1370 err = AVERROR_EXTERNAL;
1374 if (rt_format_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1375 av_log(avctx, AV_LOG_VERBOSE, "RT format config attribute not "
1376 "supported by driver: assuming surface RT format %s "
1377 "is valid.\n", rt_format->name);
1378 } else if (!(rt_format_attr.value & rt_format->value)) {
1379 av_log(avctx, AV_LOG_ERROR, "Surface RT format %s not supported "
1380 "by driver for encoding profile %s (%d) entrypoint %s (%d).\n",
1381 rt_format->name, profile_string, ctx->va_profile,
1382 entrypoint_string, ctx->va_entrypoint);
1383 err = AVERROR(ENOSYS);
1386 av_log(avctx, AV_LOG_VERBOSE, "Using VAAPI render target "
1387 "format %s (%#x).\n", rt_format->name, rt_format->value);
1388 ctx->config_attributes[ctx->nb_config_attributes++] =
1390 .type = VAConfigAttribRTFormat,
1391 .value = rt_format->value,
1397 av_freep(&va_profiles);
1398 av_freep(&va_entrypoints);
1402 static const VAAPIEncodeRCMode vaapi_encode_rc_modes[] = {
1404 // | Maxrate | HRD/VBV
1406 { RC_MODE_CQP, "CQP", 1, VA_RC_CQP, 0, 0, 1, 0 },
1407 { RC_MODE_CBR, "CBR", 1, VA_RC_CBR, 1, 0, 0, 1 },
1408 { RC_MODE_VBR, "VBR", 1, VA_RC_VBR, 1, 1, 0, 1 },
1409 #if VA_CHECK_VERSION(1, 1, 0)
1410 { RC_MODE_ICQ, "ICQ", 1, VA_RC_ICQ, 0, 0, 1, 0 },
1412 { RC_MODE_ICQ, "ICQ", 0 },
1414 #if VA_CHECK_VERSION(1, 3, 0)
1415 { RC_MODE_QVBR, "QVBR", 1, VA_RC_QVBR, 1, 1, 1, 1 },
1416 { RC_MODE_AVBR, "AVBR", 0, VA_RC_AVBR, 1, 0, 0, 0 },
1418 { RC_MODE_QVBR, "QVBR", 0 },
1419 { RC_MODE_AVBR, "AVBR", 0 },
1423 static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx)
1425 VAAPIEncodeContext *ctx = avctx->priv_data;
1426 uint32_t supported_va_rc_modes;
1427 const VAAPIEncodeRCMode *rc_mode;
1428 int64_t rc_bits_per_second;
1429 int rc_target_percentage;
1432 int64_t hrd_buffer_size;
1433 int64_t hrd_initial_buffer_fullness;
1435 VAConfigAttrib rc_attr = { VAConfigAttribRateControl };
1437 char supported_rc_modes_string[64];
1439 vas = vaGetConfigAttributes(ctx->hwctx->display,
1440 ctx->va_profile, ctx->va_entrypoint,
1442 if (vas != VA_STATUS_SUCCESS) {
1443 av_log(avctx, AV_LOG_ERROR, "Failed to query rate control "
1444 "config attribute: %d (%s).\n", vas, vaErrorStr(vas));
1445 return AVERROR_EXTERNAL;
1447 if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1448 av_log(avctx, AV_LOG_VERBOSE, "Driver does not report any "
1449 "supported rate control modes: assuming CQP only.\n");
1450 supported_va_rc_modes = VA_RC_CQP;
1451 strcpy(supported_rc_modes_string, "unknown");
1453 char *str = supported_rc_modes_string;
1454 size_t len = sizeof(supported_rc_modes_string);
1455 int i, first = 1, res;
1457 supported_va_rc_modes = rc_attr.value;
1458 for (i = 0; i < FF_ARRAY_ELEMS(vaapi_encode_rc_modes); i++) {
1459 rc_mode = &vaapi_encode_rc_modes[i];
1460 if (supported_va_rc_modes & rc_mode->va_mode) {
1461 res = snprintf(str, len, "%s%s",
1462 first ? "" : ", ", rc_mode->name);
1475 av_log(avctx, AV_LOG_DEBUG, "Driver supports RC modes %s.\n",
1476 supported_rc_modes_string);
1479 // Rate control mode selection:
1480 // * If the user has set a mode explicitly with the rc_mode option,
1481 // use it and fail if it is not available.
1482 // * If an explicit QP option has been set, use CQP.
1483 // * If the codec is CQ-only, use CQP.
1484 // * If the QSCALE avcodec option is set, use CQP.
1485 // * If bitrate and quality are both set, try QVBR.
1486 // * If quality is set, try ICQ, then CQP.
1487 // * If bitrate and maxrate are set and have the same value, try CBR.
1488 // * If a bitrate is set, try AVBR, then VBR, then CBR.
1489 // * If no bitrate is set, try ICQ, then CQP.
1491 #define TRY_RC_MODE(mode, fail) do { \
1492 rc_mode = &vaapi_encode_rc_modes[mode]; \
1493 if (!(rc_mode->va_mode & supported_va_rc_modes)) { \
1495 av_log(avctx, AV_LOG_ERROR, "Driver does not support %s " \
1496 "RC mode (supported modes: %s).\n", rc_mode->name, \
1497 supported_rc_modes_string); \
1498 return AVERROR(EINVAL); \
1500 av_log(avctx, AV_LOG_DEBUG, "Driver does not support %s " \
1501 "RC mode.\n", rc_mode->name); \
1504 goto rc_mode_found; \
1508 if (ctx->explicit_rc_mode)
1509 TRY_RC_MODE(ctx->explicit_rc_mode, 1);
1511 if (ctx->explicit_qp)
1512 TRY_RC_MODE(RC_MODE_CQP, 1);
1514 if (ctx->codec->flags & FLAG_CONSTANT_QUALITY_ONLY)
1515 TRY_RC_MODE(RC_MODE_CQP, 1);
1517 if (avctx->flags & AV_CODEC_FLAG_QSCALE)
1518 TRY_RC_MODE(RC_MODE_CQP, 1);
1520 if (avctx->bit_rate > 0 && avctx->global_quality > 0)
1521 TRY_RC_MODE(RC_MODE_QVBR, 0);
1523 if (avctx->global_quality > 0) {
1524 TRY_RC_MODE(RC_MODE_ICQ, 0);
1525 TRY_RC_MODE(RC_MODE_CQP, 0);
1528 if (avctx->bit_rate > 0 && avctx->rc_max_rate == avctx->bit_rate)
1529 TRY_RC_MODE(RC_MODE_CBR, 0);
1531 if (avctx->bit_rate > 0) {
1532 TRY_RC_MODE(RC_MODE_AVBR, 0);
1533 TRY_RC_MODE(RC_MODE_VBR, 0);
1534 TRY_RC_MODE(RC_MODE_CBR, 0);
1536 TRY_RC_MODE(RC_MODE_ICQ, 0);
1537 TRY_RC_MODE(RC_MODE_CQP, 0);
1540 av_log(avctx, AV_LOG_ERROR, "Driver does not support any "
1541 "RC mode compatible with selected options "
1542 "(supported modes: %s).\n", supported_rc_modes_string);
1543 return AVERROR(EINVAL);
1546 if (rc_mode->bitrate) {
1547 if (avctx->bit_rate <= 0) {
1548 av_log(avctx, AV_LOG_ERROR, "Bitrate must be set for %s "
1549 "RC mode.\n", rc_mode->name);
1550 return AVERROR(EINVAL);
1553 if (rc_mode->mode == RC_MODE_AVBR) {
1554 // For maximum confusion AVBR is hacked into the existing API
1555 // by overloading some of the fields with completely different
1558 // Target percentage does not apply in AVBR mode.
1559 rc_bits_per_second = avctx->bit_rate;
1561 // Accuracy tolerance range for meeting the specified target
1562 // bitrate. It's very unclear how this is actually intended
1563 // to work - since we do want to get the specified bitrate,
1564 // set the accuracy to 100% for now.
1565 rc_target_percentage = 100;
1567 // Convergence period in frames. The GOP size reflects the
1568 // user's intended block size for cutting, so reusing that
1569 // as the convergence period seems a reasonable default.
1570 rc_window_size = avctx->gop_size > 0 ? avctx->gop_size : 60;
1572 } else if (rc_mode->maxrate) {
1573 if (avctx->rc_max_rate > 0) {
1574 if (avctx->rc_max_rate < avctx->bit_rate) {
1575 av_log(avctx, AV_LOG_ERROR, "Invalid bitrate settings: "
1576 "bitrate (%"PRId64") must not be greater than "
1577 "maxrate (%"PRId64").\n", avctx->bit_rate,
1578 avctx->rc_max_rate);
1579 return AVERROR(EINVAL);
1581 rc_bits_per_second = avctx->rc_max_rate;
1582 rc_target_percentage = (avctx->bit_rate * 100) /
1585 // We only have a target bitrate, but this mode requires
1586 // that a maximum rate be supplied as well. Since the
1587 // user does not want this to be a constraint, arbitrarily
1588 // pick a maximum rate of double the target rate.
1589 rc_bits_per_second = 2 * avctx->bit_rate;
1590 rc_target_percentage = 50;
1593 if (avctx->rc_max_rate > avctx->bit_rate) {
1594 av_log(avctx, AV_LOG_WARNING, "Max bitrate is ignored "
1595 "in %s RC mode.\n", rc_mode->name);
1597 rc_bits_per_second = avctx->bit_rate;
1598 rc_target_percentage = 100;
1601 rc_bits_per_second = 0;
1602 rc_target_percentage = 100;
1605 if (rc_mode->quality) {
1606 if (ctx->explicit_qp) {
1607 rc_quality = ctx->explicit_qp;
1608 } else if (avctx->global_quality > 0) {
1609 rc_quality = avctx->global_quality;
1611 rc_quality = ctx->codec->default_quality;
1612 av_log(avctx, AV_LOG_WARNING, "No quality level set; "
1613 "using default (%d).\n", rc_quality);
1620 if (avctx->rc_buffer_size)
1621 hrd_buffer_size = avctx->rc_buffer_size;
1622 else if (avctx->rc_max_rate > 0)
1623 hrd_buffer_size = avctx->rc_max_rate;
1625 hrd_buffer_size = avctx->bit_rate;
1626 if (avctx->rc_initial_buffer_occupancy) {
1627 if (avctx->rc_initial_buffer_occupancy > hrd_buffer_size) {
1628 av_log(avctx, AV_LOG_ERROR, "Invalid RC buffer settings: "
1629 "must have initial buffer size (%d) <= "
1630 "buffer size (%"PRId64").\n",
1631 avctx->rc_initial_buffer_occupancy, hrd_buffer_size);
1632 return AVERROR(EINVAL);
1634 hrd_initial_buffer_fullness = avctx->rc_initial_buffer_occupancy;
1636 hrd_initial_buffer_fullness = hrd_buffer_size * 3 / 4;
1639 rc_window_size = (hrd_buffer_size * 1000) / rc_bits_per_second;
1641 if (avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
1642 av_log(avctx, AV_LOG_WARNING, "Buffering settings are ignored "
1643 "in %s RC mode.\n", rc_mode->name);
1646 hrd_buffer_size = 0;
1647 hrd_initial_buffer_fullness = 0;
1649 if (rc_mode->mode != RC_MODE_AVBR) {
1650 // Already set (with completely different meaning) for AVBR.
1651 rc_window_size = 1000;
1655 if (rc_bits_per_second > UINT32_MAX ||
1656 hrd_buffer_size > UINT32_MAX ||
1657 hrd_initial_buffer_fullness > UINT32_MAX) {
1658 av_log(avctx, AV_LOG_ERROR, "RC parameters of 2^32 or "
1659 "greater are not supported by VAAPI.\n");
1660 return AVERROR(EINVAL);
1663 ctx->rc_mode = rc_mode;
1664 ctx->rc_quality = rc_quality;
1665 ctx->va_rc_mode = rc_mode->va_mode;
1666 ctx->va_bit_rate = rc_bits_per_second;
1668 av_log(avctx, AV_LOG_VERBOSE, "RC mode: %s.\n", rc_mode->name);
1669 if (rc_attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1670 // This driver does not want the RC mode attribute to be set.
1672 ctx->config_attributes[ctx->nb_config_attributes++] =
1674 .type = VAConfigAttribRateControl,
1675 .value = ctx->va_rc_mode,
1679 if (rc_mode->quality)
1680 av_log(avctx, AV_LOG_VERBOSE, "RC quality: %d.\n", rc_quality);
1682 if (rc_mode->va_mode != VA_RC_CQP) {
1683 if (rc_mode->mode == RC_MODE_AVBR) {
1684 av_log(avctx, AV_LOG_VERBOSE, "RC target: %"PRId64" bps "
1685 "converging in %d frames with %d%% accuracy.\n",
1686 rc_bits_per_second, rc_window_size,
1687 rc_target_percentage);
1688 } else if (rc_mode->bitrate) {
1689 av_log(avctx, AV_LOG_VERBOSE, "RC target: %d%% of "
1690 "%"PRId64" bps over %d ms.\n", rc_target_percentage,
1691 rc_bits_per_second, rc_window_size);
1694 ctx->rc_params = (VAEncMiscParameterRateControl) {
1695 .bits_per_second = rc_bits_per_second,
1696 .target_percentage = rc_target_percentage,
1697 .window_size = rc_window_size,
1699 .min_qp = (avctx->qmin > 0 ? avctx->qmin : 0),
1700 .basic_unit_size = 0,
1701 #if VA_CHECK_VERSION(1, 1, 0)
1702 .ICQ_quality_factor = av_clip(rc_quality, 1, 51),
1703 .max_qp = (avctx->qmax > 0 ? avctx->qmax : 0),
1705 #if VA_CHECK_VERSION(1, 3, 0)
1706 .quality_factor = rc_quality,
1709 vaapi_encode_add_global_param(avctx,
1710 VAEncMiscParameterTypeRateControl,
1712 sizeof(ctx->rc_params));
1716 av_log(avctx, AV_LOG_VERBOSE, "RC buffer: %"PRId64" bits, "
1717 "initial fullness %"PRId64" bits.\n",
1718 hrd_buffer_size, hrd_initial_buffer_fullness);
1720 ctx->hrd_params = (VAEncMiscParameterHRD) {
1721 .initial_buffer_fullness = hrd_initial_buffer_fullness,
1722 .buffer_size = hrd_buffer_size,
1724 vaapi_encode_add_global_param(avctx,
1725 VAEncMiscParameterTypeHRD,
1727 sizeof(ctx->hrd_params));
1730 if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
1731 av_reduce(&fr_num, &fr_den,
1732 avctx->framerate.num, avctx->framerate.den, 65535);
1734 av_reduce(&fr_num, &fr_den,
1735 avctx->time_base.den, avctx->time_base.num, 65535);
1737 av_log(avctx, AV_LOG_VERBOSE, "RC framerate: %d/%d (%.2f fps).\n",
1738 fr_num, fr_den, (double)fr_num / fr_den);
1740 ctx->fr_params = (VAEncMiscParameterFrameRate) {
1741 .framerate = (unsigned int)fr_den << 16 | fr_num,
1743 #if VA_CHECK_VERSION(0, 40, 0)
1744 vaapi_encode_add_global_param(avctx,
1745 VAEncMiscParameterTypeFrameRate,
1747 sizeof(ctx->fr_params));
1753 static av_cold int vaapi_encode_init_gop_structure(AVCodecContext *avctx)
1755 VAAPIEncodeContext *ctx = avctx->priv_data;
1757 VAConfigAttrib attr = { VAConfigAttribEncMaxRefFrames };
1758 uint32_t ref_l0, ref_l1;
1760 vas = vaGetConfigAttributes(ctx->hwctx->display,
1764 if (vas != VA_STATUS_SUCCESS) {
1765 av_log(avctx, AV_LOG_ERROR, "Failed to query reference frames "
1766 "attribute: %d (%s).\n", vas, vaErrorStr(vas));
1767 return AVERROR_EXTERNAL;
1770 if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1771 ref_l0 = ref_l1 = 0;
1773 ref_l0 = attr.value & 0xffff;
1774 ref_l1 = attr.value >> 16 & 0xffff;
1777 if (ctx->codec->flags & FLAG_INTRA_ONLY ||
1778 avctx->gop_size <= 1) {
1779 av_log(avctx, AV_LOG_VERBOSE, "Using intra frames only.\n");
1781 } else if (ref_l0 < 1) {
1782 av_log(avctx, AV_LOG_ERROR, "Driver does not support any "
1783 "reference frames.\n");
1784 return AVERROR(EINVAL);
1785 } else if (!(ctx->codec->flags & FLAG_B_PICTURES) ||
1786 ref_l1 < 1 || avctx->max_b_frames < 1) {
1787 av_log(avctx, AV_LOG_VERBOSE, "Using intra and P-frames "
1788 "(supported references: %d / %d).\n", ref_l0, ref_l1);
1789 ctx->gop_size = avctx->gop_size;
1790 ctx->p_per_i = INT_MAX;
1793 av_log(avctx, AV_LOG_VERBOSE, "Using intra, P- and B-frames "
1794 "(supported references: %d / %d).\n", ref_l0, ref_l1);
1795 ctx->gop_size = avctx->gop_size;
1796 ctx->p_per_i = INT_MAX;
1797 ctx->b_per_p = avctx->max_b_frames;
1798 if (ctx->codec->flags & FLAG_B_PICTURE_REFERENCES) {
1799 ctx->max_b_depth = FFMIN(ctx->desired_b_depth,
1800 av_log2(ctx->b_per_p) + 1);
1802 ctx->max_b_depth = 1;
1806 if (ctx->codec->flags & FLAG_NON_IDR_KEY_PICTURES) {
1807 ctx->closed_gop = !!(avctx->flags & AV_CODEC_FLAG_CLOSED_GOP);
1808 ctx->gop_per_idr = ctx->idr_interval + 1;
1810 ctx->closed_gop = 1;
1811 ctx->gop_per_idr = 1;
1817 static av_cold int vaapi_encode_init_slice_structure(AVCodecContext *avctx)
1819 VAAPIEncodeContext *ctx = avctx->priv_data;
1820 VAConfigAttrib attr[2] = { { VAConfigAttribEncMaxSlices },
1821 { VAConfigAttribEncSliceStructure } };
1823 uint32_t max_slices, slice_structure;
1826 if (!(ctx->codec->flags & FLAG_SLICE_CONTROL)) {
1827 if (avctx->slices > 0) {
1828 av_log(avctx, AV_LOG_WARNING, "Multiple slices were requested "
1829 "but this codec does not support controlling slices.\n");
1834 ctx->slice_block_rows = (avctx->height + ctx->slice_block_height - 1) /
1835 ctx->slice_block_height;
1836 ctx->slice_block_cols = (avctx->width + ctx->slice_block_width - 1) /
1837 ctx->slice_block_width;
1839 if (avctx->slices <= 1) {
1841 ctx->slice_size = ctx->slice_block_rows;
1845 vas = vaGetConfigAttributes(ctx->hwctx->display,
1848 attr, FF_ARRAY_ELEMS(attr));
1849 if (vas != VA_STATUS_SUCCESS) {
1850 av_log(avctx, AV_LOG_ERROR, "Failed to query slice "
1851 "attributes: %d (%s).\n", vas, vaErrorStr(vas));
1852 return AVERROR_EXTERNAL;
1854 max_slices = attr[0].value;
1855 slice_structure = attr[1].value;
1856 if (max_slices == VA_ATTRIB_NOT_SUPPORTED ||
1857 slice_structure == VA_ATTRIB_NOT_SUPPORTED) {
1858 av_log(avctx, AV_LOG_ERROR, "Driver does not support encoding "
1859 "pictures as multiple slices.\n.");
1860 return AVERROR(EINVAL);
1863 // For fixed-size slices currently we only support whole rows, making
1864 // rectangular slices. This could be extended to arbitrary runs of
1865 // blocks, but since slices tend to be a conformance requirement and
1866 // most cases (such as broadcast or bluray) want rectangular slices
1867 // only it would need to be gated behind another option.
1868 if (avctx->slices > ctx->slice_block_rows) {
1869 av_log(avctx, AV_LOG_WARNING, "Not enough rows to use "
1870 "configured number of slices (%d < %d); using "
1871 "maximum.\n", ctx->slice_block_rows, avctx->slices);
1872 req_slices = ctx->slice_block_rows;
1874 req_slices = avctx->slices;
1876 if (slice_structure & VA_ENC_SLICE_STRUCTURE_ARBITRARY_ROWS ||
1877 slice_structure & VA_ENC_SLICE_STRUCTURE_ARBITRARY_MACROBLOCKS) {
1878 ctx->nb_slices = req_slices;
1879 ctx->slice_size = ctx->slice_block_rows / ctx->nb_slices;
1880 } else if (slice_structure & VA_ENC_SLICE_STRUCTURE_POWER_OF_TWO_ROWS) {
1882 for (k = 1;; k *= 2) {
1883 if (2 * k * (req_slices - 1) + 1 >= ctx->slice_block_rows)
1886 ctx->nb_slices = (ctx->slice_block_rows + k - 1) / k;
1887 ctx->slice_size = k;
1888 #if VA_CHECK_VERSION(1, 0, 0)
1889 } else if (slice_structure & VA_ENC_SLICE_STRUCTURE_EQUAL_ROWS) {
1890 ctx->nb_slices = ctx->slice_block_rows;
1891 ctx->slice_size = 1;
1894 av_log(avctx, AV_LOG_ERROR, "Driver does not support any usable "
1895 "slice structure modes (%#x).\n", slice_structure);
1896 return AVERROR(EINVAL);
1899 if (ctx->nb_slices > avctx->slices) {
1900 av_log(avctx, AV_LOG_WARNING, "Slice count rounded up to "
1901 "%d (from %d) due to driver constraints on slice "
1902 "structure.\n", ctx->nb_slices, avctx->slices);
1904 if (ctx->nb_slices > max_slices) {
1905 av_log(avctx, AV_LOG_ERROR, "Driver does not support "
1906 "encoding with %d slices (max %"PRIu32").\n",
1907 ctx->nb_slices, max_slices);
1908 return AVERROR(EINVAL);
1911 av_log(avctx, AV_LOG_VERBOSE, "Encoding pictures with %d slices "
1912 "(default size %d block rows).\n",
1913 ctx->nb_slices, ctx->slice_size);
1917 static av_cold int vaapi_encode_init_packed_headers(AVCodecContext *avctx)
1919 VAAPIEncodeContext *ctx = avctx->priv_data;
1921 VAConfigAttrib attr = { VAConfigAttribEncPackedHeaders };
1923 vas = vaGetConfigAttributes(ctx->hwctx->display,
1927 if (vas != VA_STATUS_SUCCESS) {
1928 av_log(avctx, AV_LOG_ERROR, "Failed to query packed headers "
1929 "attribute: %d (%s).\n", vas, vaErrorStr(vas));
1930 return AVERROR_EXTERNAL;
1933 if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1934 if (ctx->desired_packed_headers) {
1935 av_log(avctx, AV_LOG_WARNING, "Driver does not support any "
1936 "packed headers (wanted %#x).\n",
1937 ctx->desired_packed_headers);
1939 av_log(avctx, AV_LOG_VERBOSE, "Driver does not support any "
1940 "packed headers (none wanted).\n");
1942 ctx->va_packed_headers = 0;
1944 if (ctx->desired_packed_headers & ~attr.value) {
1945 av_log(avctx, AV_LOG_WARNING, "Driver does not support some "
1946 "wanted packed headers (wanted %#x, found %#x).\n",
1947 ctx->desired_packed_headers, attr.value);
1949 av_log(avctx, AV_LOG_VERBOSE, "All wanted packed headers "
1950 "available (wanted %#x, found %#x).\n",
1951 ctx->desired_packed_headers, attr.value);
1953 ctx->va_packed_headers = ctx->desired_packed_headers & attr.value;
1956 if (ctx->va_packed_headers) {
1957 ctx->config_attributes[ctx->nb_config_attributes++] =
1959 .type = VAConfigAttribEncPackedHeaders,
1960 .value = ctx->va_packed_headers,
1964 if ( (ctx->desired_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE) &&
1965 !(ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE) &&
1966 (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER)) {
1967 av_log(avctx, AV_LOG_WARNING, "Driver does not support packed "
1968 "sequence headers, but a global header is requested.\n");
1969 av_log(avctx, AV_LOG_WARNING, "No global header will be written: "
1970 "this may result in a stream which is not usable for some "
1971 "purposes (e.g. not muxable to some containers).\n");
1977 static av_cold int vaapi_encode_init_quality(AVCodecContext *avctx)
1979 #if VA_CHECK_VERSION(0, 36, 0)
1980 VAAPIEncodeContext *ctx = avctx->priv_data;
1982 VAConfigAttrib attr = { VAConfigAttribEncQualityRange };
1983 int quality = avctx->compression_level;
1985 vas = vaGetConfigAttributes(ctx->hwctx->display,
1989 if (vas != VA_STATUS_SUCCESS) {
1990 av_log(avctx, AV_LOG_ERROR, "Failed to query quality "
1991 "config attribute: %d (%s).\n", vas, vaErrorStr(vas));
1992 return AVERROR_EXTERNAL;
1995 if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
1997 av_log(avctx, AV_LOG_WARNING, "Quality attribute is not "
1998 "supported: will use default quality level.\n");
2001 if (quality > attr.value) {
2002 av_log(avctx, AV_LOG_WARNING, "Invalid quality level: "
2003 "valid range is 0-%d, using %d.\n",
2004 attr.value, attr.value);
2005 quality = attr.value;
2008 ctx->quality_params = (VAEncMiscParameterBufferQualityLevel) {
2009 .quality_level = quality,
2011 vaapi_encode_add_global_param(avctx,
2012 VAEncMiscParameterTypeQualityLevel,
2013 &ctx->quality_params,
2014 sizeof(ctx->quality_params));
2017 av_log(avctx, AV_LOG_WARNING, "The encode quality option is "
2018 "not supported with this VAAPI version.\n");
2024 static av_cold int vaapi_encode_init_roi(AVCodecContext *avctx)
2026 #if VA_CHECK_VERSION(1, 0, 0)
2027 VAAPIEncodeContext *ctx = avctx->priv_data;
2029 VAConfigAttrib attr = { VAConfigAttribEncROI };
2031 vas = vaGetConfigAttributes(ctx->hwctx->display,
2035 if (vas != VA_STATUS_SUCCESS) {
2036 av_log(avctx, AV_LOG_ERROR, "Failed to query ROI "
2037 "config attribute: %d (%s).\n", vas, vaErrorStr(vas));
2038 return AVERROR_EXTERNAL;
2041 if (attr.value == VA_ATTRIB_NOT_SUPPORTED) {
2042 ctx->roi_allowed = 0;
2044 VAConfigAttribValEncROI roi = {
2045 .value = attr.value,
2048 ctx->roi_max_regions = roi.bits.num_roi_regions;
2049 ctx->roi_allowed = ctx->roi_max_regions > 0 &&
2050 (ctx->va_rc_mode == VA_RC_CQP ||
2051 roi.bits.roi_rc_qp_delta_support);
2057 static void vaapi_encode_free_output_buffer(void *opaque,
2060 AVCodecContext *avctx = opaque;
2061 VAAPIEncodeContext *ctx = avctx->priv_data;
2062 VABufferID buffer_id;
2064 buffer_id = (VABufferID)(uintptr_t)data;
2066 vaDestroyBuffer(ctx->hwctx->display, buffer_id);
2068 av_log(avctx, AV_LOG_DEBUG, "Freed output buffer %#x\n", buffer_id);
2071 static AVBufferRef *vaapi_encode_alloc_output_buffer(void *opaque,
2074 AVCodecContext *avctx = opaque;
2075 VAAPIEncodeContext *ctx = avctx->priv_data;
2076 VABufferID buffer_id;
2080 // The output buffer size is fixed, so it needs to be large enough
2081 // to hold the largest possible compressed frame. We assume here
2082 // that the uncompressed frame plus some header data is an upper
2084 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
2085 VAEncCodedBufferType,
2086 3 * ctx->surface_width * ctx->surface_height +
2087 (1 << 16), 1, 0, &buffer_id);
2088 if (vas != VA_STATUS_SUCCESS) {
2089 av_log(avctx, AV_LOG_ERROR, "Failed to create bitstream "
2090 "output buffer: %d (%s).\n", vas, vaErrorStr(vas));
2094 av_log(avctx, AV_LOG_DEBUG, "Allocated output buffer %#x\n", buffer_id);
2096 ref = av_buffer_create((uint8_t*)(uintptr_t)buffer_id,
2098 &vaapi_encode_free_output_buffer,
2099 avctx, AV_BUFFER_FLAG_READONLY);
2101 vaDestroyBuffer(ctx->hwctx->display, buffer_id);
2108 static av_cold int vaapi_encode_create_recon_frames(AVCodecContext *avctx)
2110 VAAPIEncodeContext *ctx = avctx->priv_data;
2111 AVVAAPIHWConfig *hwconfig = NULL;
2112 AVHWFramesConstraints *constraints = NULL;
2113 enum AVPixelFormat recon_format;
2116 hwconfig = av_hwdevice_hwconfig_alloc(ctx->device_ref);
2118 err = AVERROR(ENOMEM);
2121 hwconfig->config_id = ctx->va_config;
2123 constraints = av_hwdevice_get_hwframe_constraints(ctx->device_ref,
2126 err = AVERROR(ENOMEM);
2130 // Probably we can use the input surface format as the surface format
2131 // of the reconstructed frames. If not, we just pick the first (only?)
2132 // format in the valid list and hope that it all works.
2133 recon_format = AV_PIX_FMT_NONE;
2134 if (constraints->valid_sw_formats) {
2135 for (i = 0; constraints->valid_sw_formats[i] != AV_PIX_FMT_NONE; i++) {
2136 if (ctx->input_frames->sw_format ==
2137 constraints->valid_sw_formats[i]) {
2138 recon_format = ctx->input_frames->sw_format;
2142 if (recon_format == AV_PIX_FMT_NONE) {
2143 // No match. Just use the first in the supported list and
2144 // hope for the best.
2145 recon_format = constraints->valid_sw_formats[0];
2148 // No idea what to use; copy input format.
2149 recon_format = ctx->input_frames->sw_format;
2151 av_log(avctx, AV_LOG_DEBUG, "Using %s as format of "
2152 "reconstructed frames.\n", av_get_pix_fmt_name(recon_format));
2154 if (ctx->surface_width < constraints->min_width ||
2155 ctx->surface_height < constraints->min_height ||
2156 ctx->surface_width > constraints->max_width ||
2157 ctx->surface_height > constraints->max_height) {
2158 av_log(avctx, AV_LOG_ERROR, "Hardware does not support encoding at "
2159 "size %dx%d (constraints: width %d-%d height %d-%d).\n",
2160 ctx->surface_width, ctx->surface_height,
2161 constraints->min_width, constraints->max_width,
2162 constraints->min_height, constraints->max_height);
2163 err = AVERROR(EINVAL);
2167 av_freep(&hwconfig);
2168 av_hwframe_constraints_free(&constraints);
2170 ctx->recon_frames_ref = av_hwframe_ctx_alloc(ctx->device_ref);
2171 if (!ctx->recon_frames_ref) {
2172 err = AVERROR(ENOMEM);
2175 ctx->recon_frames = (AVHWFramesContext*)ctx->recon_frames_ref->data;
2177 ctx->recon_frames->format = AV_PIX_FMT_VAAPI;
2178 ctx->recon_frames->sw_format = recon_format;
2179 ctx->recon_frames->width = ctx->surface_width;
2180 ctx->recon_frames->height = ctx->surface_height;
2182 err = av_hwframe_ctx_init(ctx->recon_frames_ref);
2184 av_log(avctx, AV_LOG_ERROR, "Failed to initialise reconstructed "
2185 "frame context: %d.\n", err);
2191 av_freep(&hwconfig);
2192 av_hwframe_constraints_free(&constraints);
2196 av_cold int ff_vaapi_encode_init(AVCodecContext *avctx)
2198 VAAPIEncodeContext *ctx = avctx->priv_data;
2199 AVVAAPIFramesContext *recon_hwctx = NULL;
2203 if (!avctx->hw_frames_ctx) {
2204 av_log(avctx, AV_LOG_ERROR, "A hardware frames reference is "
2205 "required to associate the encoding device.\n");
2206 return AVERROR(EINVAL);
2209 ctx->va_config = VA_INVALID_ID;
2210 ctx->va_context = VA_INVALID_ID;
2212 ctx->input_frames_ref = av_buffer_ref(avctx->hw_frames_ctx);
2213 if (!ctx->input_frames_ref) {
2214 err = AVERROR(ENOMEM);
2217 ctx->input_frames = (AVHWFramesContext*)ctx->input_frames_ref->data;
2219 ctx->device_ref = av_buffer_ref(ctx->input_frames->device_ref);
2220 if (!ctx->device_ref) {
2221 err = AVERROR(ENOMEM);
2224 ctx->device = (AVHWDeviceContext*)ctx->device_ref->data;
2225 ctx->hwctx = ctx->device->hwctx;
2227 err = vaapi_encode_profile_entrypoint(avctx);
2231 err = vaapi_encode_init_rate_control(avctx);
2235 err = vaapi_encode_init_gop_structure(avctx);
2239 err = vaapi_encode_init_slice_structure(avctx);
2243 err = vaapi_encode_init_packed_headers(avctx);
2247 err = vaapi_encode_init_roi(avctx);
2251 if (avctx->compression_level >= 0) {
2252 err = vaapi_encode_init_quality(avctx);
2257 vas = vaCreateConfig(ctx->hwctx->display,
2258 ctx->va_profile, ctx->va_entrypoint,
2259 ctx->config_attributes, ctx->nb_config_attributes,
2261 if (vas != VA_STATUS_SUCCESS) {
2262 av_log(avctx, AV_LOG_ERROR, "Failed to create encode pipeline "
2263 "configuration: %d (%s).\n", vas, vaErrorStr(vas));
2268 err = vaapi_encode_create_recon_frames(avctx);
2272 recon_hwctx = ctx->recon_frames->hwctx;
2273 vas = vaCreateContext(ctx->hwctx->display, ctx->va_config,
2274 ctx->surface_width, ctx->surface_height,
2276 recon_hwctx->surface_ids,
2277 recon_hwctx->nb_surfaces,
2279 if (vas != VA_STATUS_SUCCESS) {
2280 av_log(avctx, AV_LOG_ERROR, "Failed to create encode pipeline "
2281 "context: %d (%s).\n", vas, vaErrorStr(vas));
2286 ctx->output_buffer_pool =
2287 av_buffer_pool_init2(sizeof(VABufferID), avctx,
2288 &vaapi_encode_alloc_output_buffer, NULL);
2289 if (!ctx->output_buffer_pool) {
2290 err = AVERROR(ENOMEM);
2294 if (ctx->codec->configure) {
2295 err = ctx->codec->configure(avctx);
2300 ctx->output_delay = ctx->b_per_p;
2301 ctx->decode_delay = ctx->max_b_depth;
2303 if (ctx->codec->sequence_params_size > 0) {
2304 ctx->codec_sequence_params =
2305 av_mallocz(ctx->codec->sequence_params_size);
2306 if (!ctx->codec_sequence_params) {
2307 err = AVERROR(ENOMEM);
2311 if (ctx->codec->picture_params_size > 0) {
2312 ctx->codec_picture_params =
2313 av_mallocz(ctx->codec->picture_params_size);
2314 if (!ctx->codec_picture_params) {
2315 err = AVERROR(ENOMEM);
2320 if (ctx->codec->init_sequence_params) {
2321 err = ctx->codec->init_sequence_params(avctx);
2323 av_log(avctx, AV_LOG_ERROR, "Codec sequence initialisation "
2324 "failed: %d.\n", err);
2329 if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SEQUENCE &&
2330 ctx->codec->write_sequence_header &&
2331 avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
2332 char data[MAX_PARAM_BUFFER_SIZE];
2333 size_t bit_len = 8 * sizeof(data);
2335 err = ctx->codec->write_sequence_header(avctx, data, &bit_len);
2337 av_log(avctx, AV_LOG_ERROR, "Failed to write sequence header "
2338 "for extradata: %d.\n", err);
2341 avctx->extradata_size = (bit_len + 7) / 8;
2342 avctx->extradata = av_mallocz(avctx->extradata_size +
2343 AV_INPUT_BUFFER_PADDING_SIZE);
2344 if (!avctx->extradata) {
2345 err = AVERROR(ENOMEM);
2348 memcpy(avctx->extradata, data, avctx->extradata_size);
2355 ff_vaapi_encode_close(avctx);
2359 av_cold int ff_vaapi_encode_close(AVCodecContext *avctx)
2361 VAAPIEncodeContext *ctx = avctx->priv_data;
2362 VAAPIEncodePicture *pic, *next;
2364 for (pic = ctx->pic_start; pic; pic = next) {
2366 vaapi_encode_free(avctx, pic);
2369 av_buffer_pool_uninit(&ctx->output_buffer_pool);
2371 if (ctx->va_context != VA_INVALID_ID) {
2372 vaDestroyContext(ctx->hwctx->display, ctx->va_context);
2373 ctx->va_context = VA_INVALID_ID;
2376 if (ctx->va_config != VA_INVALID_ID) {
2377 vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
2378 ctx->va_config = VA_INVALID_ID;
2381 av_freep(&ctx->codec_sequence_params);
2382 av_freep(&ctx->codec_picture_params);
2384 av_buffer_unref(&ctx->recon_frames_ref);
2385 av_buffer_unref(&ctx->input_frames_ref);
2386 av_buffer_unref(&ctx->device_ref);