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-rw-r--r--libaf/af.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libaf/af.c b/libaf/af.c
index 9abf947f3d..cecb9f469f 100644
--- a/libaf/af.c
+++ b/libaf/af.c
@@ -503,6 +503,7 @@ af_data_t* af_play(af_stream_t* s, af_data_t* data)
af_instance_t* af=s->first;
// Iterate through all filters
do{
+ if (data->len <= 0) break;
data=af->play(af,data);
af=af->next;
}while(af);