[FFmpeg-user] In and out-range Scale option able to correct 0-255 video to 0-235?

[Carl Eugen Hoyos]

Christoph Gerstbauer <christoph.gerstbauer <at> gmail.com> writes:

> C:\Windows\System32>ffmpeg -i
> C:\Users\Administrator\Desktop\big_buck_bunny_ffvhuff.avi -vf
> "scale=in_range=full:out_range=tv" -vcodec ffvhuff

Please test with the following inlined patch 
and -cpuflags 0:

diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c
index 2a3d008..3c488ca 100644
--- a/libavfilter/vf_scale.c
+++ b/libavfilter/vf_scale.c
@@ -343,7 +343,7 @@ static int config_props(AVFilterLink *outlink)
     if (scale->isws[1])
         sws_freeContext(scale->isws[1]);
     scale->isws[0] = scale->isws[1] = scale->sws = NULL;
-    if (inlink->w == outlink->w && inlink->h == outlink->h &&
+    if (0&&inlink->w == outlink->w && inlink->h == outlink->h &&
         inlink->format == outlink->format)
         ;
     else {


Carl Eugen