From: Niklas Haas <g...@haasn.dev>
Alpha planes are explicitly full range, even for limited range YUVA
formats. Mark them as such.
---
libavfilter/vf_extractplanes.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavfilter/vf_extractplanes.c b/libavfilter/vf_extractplanes.c
index 7b7149ab24..ca406ff323 100644
--- a/libavfilter/vf_extractplanes.c
+++ b/libavfilter/vf_extractplanes.c
@@ -312,6 +312,8 @@ static int extract_plane(AVFilterLink *outlink, AVFrame
*frame)
if (!out)
return AVERROR(ENOMEM);
av_frame_copy_props(out, frame);
+ if (idx == 3 /* alpha */)
+ out->color_range = AVCOL_RANGE_JPEG;
if (s->is_packed) {
extract_from_packed(out->data[0], out->linesize[0],
--
2.42.0
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