Fixed possible threading issue.

1 files changed, 7 insertions, 1 deletions

diff --git a/toxav/toxav.c b/toxav/toxav.c
index 8101cbdb..7633edf9 100644
--- a/toxav/toxav.c
+++ b/toxav/toxav.c
@@ -156,11 +156,17 @@ uint32_t toxav_do_interval(ToxAv *av)
     int i = 0;
     uint32_t rc = 200 + av->avgdectms; /* Return 200 if no call is active */
 
-    for (; i < av->max_calls; i ++) if (av->calls[i].active) {
+    for (; i < av->max_calls; i ++) {
+        pthread_mutex_lock(av->calls[i].mutex);
+
+        if (av->calls[i].active) {
             /* This should work. Video payload will always come in greater intervals */
             rc = MIN(av->calls[i].cs->audio_decoder_frame_duration, rc);
         }
 
+        pthread_mutex_unlock(av->calls[i].mutex);
+    }
+
     return rc < av->avgdectms ? 0 : rc - av->avgdectms;
 }