[FFmpeg-devel] [PATCH v2 04/10] avfilter/vf_extractplanes: tag alpha plane as full range

From: Niklas Haas <git@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