diff -r 000000000000 -r 6474c204b198 media/libcubeb/src/cubeb-internal.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/media/libcubeb/src/cubeb-internal.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,33 @@
+/*
+ * Copyright © 2013 Mozilla Foundation
+ *
+ * This program is made available under an ISC-style license.  See the
+ * accompanying file LICENSE for details.
+ */
+#if !defined(CUBEB_INTERNAL_0eb56756_4e20_4404_a76d_42bf88cd15a5)
+#define CUBEB_INTERNAL_0eb56756_4e20_4404_a76d_42bf88cd15a5
+
+#include "cubeb/cubeb.h"
+
+struct cubeb_ops {
+  int (* init)(cubeb ** context, char const * context_name);
+  char const * (* get_backend_id)(cubeb * context);
+  int (* get_max_channel_count)(cubeb * context, uint32_t * max_channels);
+  int (* get_min_latency)(cubeb * context,
+                          cubeb_stream_params params,
+                          uint32_t * latency_ms);
+  int (* get_preferred_sample_rate)(cubeb * context, uint32_t * rate);
+  void (* destroy)(cubeb * context);
+  int (* stream_init)(cubeb * context, cubeb_stream ** stream, char const * stream_name,
+                      cubeb_stream_params stream_params, unsigned int latency,
+                      cubeb_data_callback data_callback,
+                      cubeb_state_callback state_callback,
+                      void * user_ptr);
+  void (* stream_destroy)(cubeb_stream * stream);
+  int (* stream_start)(cubeb_stream * stream);
+  int (* stream_stop)(cubeb_stream * stream);
+  int (* stream_get_position)(cubeb_stream * stream, uint64_t * position);
+  int (* stream_get_latency)(cubeb_stream * stream, uint32_t * latency);
+};
+
+#endif /* CUBEB_INTERNAL_0eb56756_4e20_4404_a76d_42bf88cd15a5 */