diff --git a/driver.h b/driver.h
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--- /dev/null
+++ b/driver.h
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+/*  SSNES - A Super Ninteno Entertainment System (SNES) Emulator frontend for libsnes.
+ *  Copyright (C) 2010 - Hans-Kristian Arntzen
+ *
+ *  Some code herein may be based on code found in BSNES.
+ * 
+ *  SSNES is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *  PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with SSNES.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#ifndef __DRIVER__H
+#define __DRIVER__H
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+struct snes_keybind
+{
+   int id;
+   int key;
+   int joykey;
+};
+
+typedef struct audio_driver
+{
+   void* (*init)(const char* device, int rate, int latency);
+   ssize_t (*write)(void* data, const void* buf, size_t size);
+   bool (*stop)(void* data);
+   bool (*start)(void* data);
+   void (*free)(void* data);
+} audio_driver_t;
+
+typedef struct input_driver
+{
+   void* (*init)(void);
+   void (*poll)(void* data);
+   int16_t (*input_state)(void* data, const struct snes_keybind *snes_keybinds, bool port, unsigned device, unsigned index, unsigned id);
+   void (*free)(void* data);
+} input_driver_t;
+
+typedef struct video_driver
+{
+   void* (*init)(int width, int height, bool fullscreen, bool vsync, bool force_aspect, input_driver_t **input); 
+   // Should the video driver act as an input driver as well? :)
+   bool (*frame)(void* data, const uint16_t* frame, int width, int height);
+   void (*free)(void* data);
+} video_driver_t;
+
+
+typedef struct driver
+{
+   const audio_driver_t *audio;
+   const video_driver_t *video;
+   const input_driver_t *input;
+   void *audio_data;
+   void *video_data;
+   void *input_data;
+} driver_t;
+
+#endif