From 4383b9e8a325a63b4b50022abc68122e6bab9462 Mon Sep 17 00:00:00 2001 From: nyanmisaka Date: Wed, 3 Feb 2021 01:10:11 +0800 Subject: [PATCH] avfilter/overlay_cuda: fix framesync with embedded PGS subtitle Signed-off-by: nyanmisaka --- libavfilter/vf_overlay_cuda.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libavfilter/vf_overlay_cuda.c b/libavfilter/vf_overlay_cuda.c index 2f0f860e50..f6ee43e929 100644 --- a/libavfilter/vf_overlay_cuda.c +++ b/libavfilter/vf_overlay_cuda.c @@ -157,9 +157,12 @@ static int overlay_cuda_blend(FFFrameSync *fs) if (ret < 0) return ret; - if (!input_main || !input_overlay) + if (!input_main) return AVERROR_BUG; + if (!input_overlay) + return ff_filter_frame(outlink, input_main); + ret = av_frame_make_writable(input_main); if (ret < 0) { av_frame_free(&input_main);