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avfilter/vf_xfade: ensure metadata is copied to transition frames

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I was having an issue where, using a filter chain of xfade -> ass, the
colors on the subtitles were incorrect only on the frames where xfade
was being used. This resolves that issue for me.

Signed-off-by: Musee Ullah <lae@lae.is>
This commit is contained in:
Musee Ullah 2020-11-23 13:52:01 -06:00 committed by Paul B Mahol
parent c6a7ca271b
commit 7bb8b81955
1 changed files with 1 additions and 0 deletions
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libavfilter/vf_xfade.c
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@ -1830,6 +1830,7 @@ static int xfade_frame(AVFilterContext *ctx, AVFrame *a, AVFrame *b)
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out)
return AVERROR(ENOMEM);
av_frame_copy_props(out, a);
td.xf[0] = a, td.xf[1] = b, td.out = out, td.progress = progress;
ctx->internal->execute(ctx, xfade_slice, &td, NULL, FFMIN(outlink->h, ff_filter_get_nb_threads(ctx)));