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avcodec/hevc/refs: export Stereo 3D side data

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Use the 3D Reference Displays Info SEI message to link a view_id with
an eye.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2024-06-25 18:32:44 -03:00 committed by Anton Khirnov
parent 14746871e1
commit aef221b22a
2 changed files with 19 additions and 0 deletions
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1
libavcodec/hevc/hevcdec.c
View File

@ -3970,6 +3970,7 @@ static int hevc_update_thread_context(AVCodecContext *dst,
s->sei.common.mastering_display = s0->sei.common.mastering_display;
s->sei.common.content_light = s0->sei.common.content_light;
s->sei.common.aom_film_grain = s0->sei.common.aom_film_grain;
s->sei.tdrdi = s0->sei.tdrdi;
return 0;
}

18
libavcodec/hevc/refs.c
View File

@ -22,6 +22,7 @@
*/
#include "libavutil/mem.h"
#include "libavutil/stereo3d.h"
#include "container_fifo.h"
#include "decode.h"
@ -103,6 +104,7 @@ static HEVCFrame *alloc_frame(HEVCContext *s, HEVCLayerContext *l)
// add view ID side data if it's nontrivial
if (vps->nb_layers > 1 || view_id) {
HEVCSEITDRDI *tdrdi = &s->sei.tdrdi;
AVFrameSideData *sd = av_frame_side_data_new(&frame->f->side_data,
&frame->f->nb_side_data,
AV_FRAME_DATA_VIEW_ID,
@ -110,6 +112,22 @@ static HEVCFrame *alloc_frame(HEVCContext *s, HEVCLayerContext *l)
if (!sd)
goto fail;
*(int*)sd->data = view_id;
if (tdrdi->num_ref_displays) {
AVStereo3D *stereo_3d;
stereo_3d = av_stereo3d_create_side_data(frame->f);
if (!stereo_3d)
goto fail;
stereo_3d->type = AV_STEREO3D_FRAMESEQUENCE;
if (tdrdi->left_view_id[0] == view_id)
stereo_3d->view = AV_STEREO3D_VIEW_LEFT;
else if (tdrdi->right_view_id[0] == view_id)
stereo_3d->view = AV_STEREO3D_VIEW_RIGHT;
else
stereo_3d->view = AV_STEREO3D_VIEW_UNSPEC;
}
}
ret = ff_progress_frame_get_buffer(s->avctx, &frame->tf,