$NetBSD: patch-au,v 1.3 2013/05/23 13:12:13 ryoon Exp $

- Fix device name on NetBSD
- SOUND_VERSION just isn't a reliable way to detect features supported by
  particular OSS implementation.

--- media/libsydneyaudio/src/sydney_audio_oss.c.orig	2013-05-11 19:19:43.000000000 +0000
+++ media/libsydneyaudio/src/sydney_audio_oss.c
@@ -23,7 +23,7 @@
 // support only versions newer than 3.6.1
 #define SUPP_OSS_VERSION OSS_VERSION(3,0,1)
 
-#if (SOUND_VERSION < SUPP_OSS_VERSION)
+#if 0 // (SOUND_VERSION < SUPP_OSS_VERSION)
 #error Unsupported OSS Version
 #else
 
@@ -173,7 +173,12 @@ sa_stream_create_pcm(
     return SA_ERROR_SYSTEM;
   }
 
+#if defined(__NetBSD__)
+  /* XXX should use DEVOSSAUDIO provided by pkgsrc. */
+  s->output_unit  = "/dev/audio";
+#else
   s->output_unit  = "/dev/dsp";
+#endif
   s->output_fd    = -1;
   s->thread_id    = 0;
   s->playing      = 0;
@@ -446,6 +451,10 @@ static void audio_callback(void* data)
           printf("!");  /* not enough audio data */
 #endif
           bytes = bytes-bytes_to_copy;
+          struct timespec ts = {0, 1000000};
+          pthread_mutex_unlock(&s->mutex);
+          nanosleep(&ts, NULL);
+          pthread_mutex_lock(&s->mutex);
           break;
         }
         free(s->bl_head);