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-rw-r--r--libavfilter/vf_zoompan.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/vf_zoompan.c b/libavfilter/vf_zoompan.c
index 8d640e7..8d0103b 100644
--- a/libavfilter/vf_zoompan.c
+++ b/libavfilter/vf_zoompan.c
@@ -265,7 +265,7 @@ static int request_frame(AVFilterLink *outlink)
AVFilterContext *ctx = outlink->src;
ZPContext *s = ctx->priv;
AVFrame *in = s->in;
- double zoom, dx, dy;
+ double zoom=1, dx=0, dy=0;
int ret;
if (in) {
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