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avfilter/overlay_cuda: fix framesync with embedded PGS subtitle

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Signed-off-by: nyanmisaka <nst799610810@gmail.com>
This commit is contained in:
nyanmisaka
2021-02-03 01:10:11 +08:00
committed by Timo Rothenpieler
parent 3d79b9357d
commit 5f2018c490
1 changed files with 4 additions and 1 deletions
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5
libavfilter/vf_overlay_cuda.c
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@ -157,9 +157,12 @@ static int overlay_cuda_blend(FFFrameSync *fs)
if (ret < 0) if (ret < 0)
return ret; return ret;
if (!input_main || !input_overlay) if (!input_main)
return AVERROR_BUG; return AVERROR_BUG;
if (!input_overlay)
return ff_filter_frame(outlink, input_main);
ret = av_frame_make_writable(input_main); ret = av_frame_make_writable(input_main);
if (ret < 0) { if (ret < 0) {
av_frame_free(&input_main); av_frame_free(&input_main);