spu: don't block on audio

[pcsx_rearmed.git] / plugins / dfsound / alsa.c

diff --git a/plugins/dfsound/alsa.c b/plugins/dfsound/alsa.c
index b5655a9..6b9f83e 100644 (file)
--- a/plugins/dfsound/alsa.c
+++ b/plugins/dfsound/alsa.c
@@ -195,8 +195,21 @@ static void alsa_feed(void *pSound, int lBytes)
    snd_pcm_prepare(handle);
    snd_pcm_writei(handle, sbuf, sizeof(sbuf) / 4);
    snd_pcm_writei(handle, sbuf, sizeof(sbuf) / 4);
+   snd_pcm_writei(handle, sbuf, sizeof(sbuf) / 4);
+  }
+ else
+  {
+   int l = snd_pcm_avail(handle);
+   if (l < lBytes / 4)
+    {
+     if (l == 0)
+      return;
+
+     lBytes = l * 4;
+    }
   }
- snd_pcm_writei(handle,pSound, lBytes / 4);
+
+ snd_pcm_writei(handle, pSound, lBytes / 4);
 }
 
 void out_register_alsa(struct out_driver *drv)