1 files changed, 7 insertions, 0 deletions
diff --git a/audio/out/ao.c b/audio/out/ao.c
index a2a001c50c..b699b64c5a 100644
--- a/audio/out/ao.c
+++ b/audio/out/ao.c
@@ -194,6 +194,8 @@ static struct ao *ao_init(bool probing, struct mpv_global *global,
 
     ao->stream_silence = flags & AO_INIT_STREAM_SILENCE;
 
+    ao->period_size = 1;
+
     int r = ao->driver->init(ao);
     if (r < 0) {
         // Silly exception for coreaudio spdif redirection
@@ -209,6 +211,11 @@ static struct ao *ao_init(bool probing, struct mpv_global *global,
         goto fail;
     }
 
+    if (ao->period_size < 1) {
+        MP_ERR(ao, "Invalid period size set.\n");
+        goto fail;
+    }
+
     ao->sstride = af_fmt_to_bytes(ao->format);
     ao->num_planes = 1;
     if (af_fmt_is_planar(ao->format)) {