1 files changed, 37 insertions, 0 deletions
diff --git a/source/core/StarIODeviceCallbacks.hpp b/source/core/StarIODeviceCallbacks.hpp
new file mode 100644
index 0000000..8e2f9ed
--- /dev/null
+++ b/source/core/StarIODeviceCallbacks.hpp
@@ -0,0 +1,37 @@
+#pragma once
+
+#include "StarIODevice.hpp"
+#include "vorbis/codec.h"
+#include "vorbis/vorbisfile.h"
+
+namespace Star {
+
+// Provides callbacks for interfacing IODevice with ogg vorbis callbacks
+class IODeviceCallbacks {
+public:
+  explicit IODeviceCallbacks(IODevicePtr device);
+  
+  // No copying
+  IODeviceCallbacks(IODeviceCallbacks const&) = delete;
+  IODeviceCallbacks& operator=(IODeviceCallbacks const&) = delete;
+  
+  // Moving is ok
+  IODeviceCallbacks(IODeviceCallbacks&&) = default;
+  IODeviceCallbacks& operator=(IODeviceCallbacks&&) = default;
+
+  // Get the underlying device
+  IODevicePtr const& device() const;
+  
+  // Callback functions for Ogg Vorbis
+  static size_t readFunc(void* ptr, size_t size, size_t nmemb, void* datasource);
+  static int seekFunc(void* datasource, ogg_int64_t offset, int whence);
+  static long int tellFunc(void* datasource);
+  
+  // Sets up callbacks for Ogg Vorbis
+  void setupOggCallbacks(ov_callbacks& callbacks);
+
+private:
+  IODevicePtr m_device;
+};
+
+}