1 files changed, 2 insertions, 0 deletions
diff --git a/common.h b/common.h
index 58a9a3e..79439c8 100644
--- a/common.h
+++ b/common.h
@@ -58,6 +58,8 @@ struct sa_stream {
     size_t meta_data_size[_META_NAMES_MAX];
 
     sa_mutex_t *mutex;
+
+    sa_event_callback_t callback;
 };
 
 size_t get_pcm_sample_size(sa_pcm_format_t f);