working sync and audio

1 files changed, 33 insertions, 0 deletions

diff --git a/audio.c b/audio.c
new file mode 100644
index 0000000..83e6de9
--- /dev/null
+++ b/audio.c
@@ -0,0 +1,33 @@
+#include "project.h"
+#include <ao/ao.h>
+
+static ao_device  *device;
+static int d_num;
+
+void audio_init (void)
+{
+
+  ao_initialize();
+
+  d_num = ao_default_driver_id();
+}
+
+void audio_start (void)
+{
+  ao_sample_format fmt = {0};
+
+
+  fmt.bits = 16;
+  fmt.rate = SAMPLE_RATE;
+  fmt.channels = 1;
+  fmt.byte_format = AO_FMT_NATIVE;
+  fmt.matrix = 0;
+
+  device = ao_open_live (d_num, &fmt, NULL);
+}
+
+
+void audio_play (void *data, size_t len)
+{
+  ao_play (device, data, len);
+}