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-rw-r--r--libavfilter/asrc_aevalsrc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavfilter/asrc_aevalsrc.c b/libavfilter/asrc_aevalsrc.c
index 4c1bbdf1f8..41ad632145 100644
--- a/libavfilter/asrc_aevalsrc.c
+++ b/libavfilter/asrc_aevalsrc.c
@@ -101,6 +101,7 @@ static av_cold int init(AVFilterContext *ctx)
ret = AVERROR(ENOMEM);
goto end;
}
+ eval->expr[eval->nb_channels-1] = NULL;
ret = av_expr_parse(&eval->expr[eval->nb_channels - 1], expr, var_names,
NULL, NULL, NULL, NULL, 0, ctx);
if (ret < 0)