[FFmpeg-devel] [PATCH v2 09/10] avfilter/vf_scale: tag output color space

Niklas Haas ffmpeg at haasn.xyz
Sat Oct 28 17:41:16 EEST 2023


From: Niklas Haas <git at 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



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