avfilter/af_dynaudnorm: move channels variable setup first

diff --git a/libavfilter/af_dynaudnorm.c b/libavfilter/af_dynaudnorm.c
index 27c13bf4247a996b8aa06ba8391615ac1ea9128d..6d0a71c0b739e889c75ef65272e95d9765d60e30 100644 (file)
--- a/libavfilter/af_dynaudnorm.c
+++ b/libavfilter/af_dynaudnorm.c
@@ -320,6 +320,7 @@ static int config_input(AVFilterLink *inlink)
 
     uninit(ctx);
 
+    s->channels = inlink->channels;
     s->frame_len = frame_size(inlink->sample_rate, s->frame_len_msec);
     av_log(ctx, AV_LOG_DEBUG, "frame len %d\n", s->frame_len);
 
@@ -358,8 +359,6 @@ static int config_input(AVFilterLink *inlink)
     precalculate_fade_factors(s->fade_factors, s->frame_len);
     init_gaussian_filter(s);
 
-    s->channels = inlink->channels;
-
     return 0;
 }