From: Niklas Haas <git@haasn.dev> When using vf_scale to force a specific output color space, also tag this on the AVFrame. (Mirroring existing logic for output range) --- libavfilter/vf_scale.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c index 21cac60779..e3154fcd0a 100644 --- a/libavfilter/vf_scale.c +++ b/libavfilter/vf_scale.c @@ -820,6 +820,9 @@ scale: out->width = outlink->w; out->height = outlink->h; out->color_range = out_full ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG; + if (scale->out_color_matrix >= 0 && + scale->out_color_matrix != AVCOL_SPC_UNSPECIFIED) + out->colorspace = scale->out_color_matrix; // Sanity checks: // 1. If the output is RGB, set the matrix coefficients to RGB. -- 2.42.0