From caef1172ea417f9ab6cfa8c67d26f82828d029d4 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Tue, 21 Sep 2021 06:09:26 +0200
Subject: [PATCH] avfilter/vf_displace: Remove always-false format check

This filter uses ff_set_common_formats_from_list().

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 libavfilter/vf_displace.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/libavfilter/vf_displace.c b/libavfilter/vf_displace.c
index 0bd35b2516..3dbba3b95c 100644
--- a/libavfilter/vf_displace.c
+++ b/libavfilter/vf_displace.c
@@ -311,11 +311,6 @@ static int config_output(AVFilterLink *outlink)
     FFFrameSyncIn *in;
     int ret;
 
-    if (srclink->format != xlink->format ||
-        srclink->format != ylink->format) {
-        av_log(ctx, AV_LOG_ERROR, "inputs must be of same pixel format\n");
-        return AVERROR(EINVAL);
-    }
     if (srclink->w != xlink->w ||
         srclink->h != xlink->h ||
         srclink->w != ylink->w ||