[FFmpeg-cvslog] avfilter/vf_hysteresis: Remove always-false format check

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Tue Sep 21 06:09:26 2021 +0200| [0d3841b59b1ff969b18cddf899a77797bccdab9d] | committer: Andreas Rheinhardt

avfilter/vf_hysteresis: Remove always-false format check

This filter uses ff_set_common_formats_from_list().

Reviewed-by: Paul B Mahol <onemda at gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0d3841b59b1ff969b18cddf899a77797bccdab9d
---

 libavfilter/vf_hysteresis.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/libavfilter/vf_hysteresis.c b/libavfilter/vf_hysteresis.c
index cbbee2691b..0346465e43 100644
--- a/libavfilter/vf_hysteresis.c
+++ b/libavfilter/vf_hysteresis.c
@@ -295,10 +295,6 @@ static int config_output(AVFilterLink *outlink)
     FFFrameSyncIn *in;
     int ret;
 
-    if (base->format != alt->format) {
-        av_log(ctx, AV_LOG_ERROR, "inputs must be of same pixel format\n");
-        return AVERROR(EINVAL);
-    }
     if (base->w != alt->w || base->h != alt->h) {
         av_log(ctx, AV_LOG_ERROR, "First input link %s parameters "
                "(size %dx%d) do not match the corresponding "