Fixes ticket #11395
Signed-off-by: James Almer <jamr...@gmail.com>
---
libavfilter/aeval.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/aeval.c b/libavfilter/aeval.c
index 0e7ba8df80..45813dada6 100644
--- a/libavfilter/aeval.c
+++ b/libavfilter/aeval.c
@@ -114,7 +114,7 @@ static int parse_channel_expressions(AVFilterContext *ctx,
if (!args1)
return AVERROR(ENOMEM);
- if (!eval->exprs) {
+ if (!eval->exprs || !*eval->exprs) {
av_log(ctx, AV_LOG_ERROR, "Channels expressions list is empty\n");
return AVERROR(EINVAL);
}
--
2.47.1
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