1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/sdl/SoundDriver.h	Sat Mar 03 10:31:27 2012 -0600
     1.3 @@ -0,0 +1,65 @@
     1.4 +// VisualBoyAdvance - Nintendo Gameboy/GameboyAdvance (TM) emulator.
     1.5 +// Copyright (C) 2008 VBA-M development team
     1.6 +
     1.7 +// This program is free software; you can redistribute it and/or modify
     1.8 +// it under the terms of the GNU General Public License as published by
     1.9 +// the Free Software Foundation; either version 2, or(at your option)
    1.10 +// any later version.
    1.11 +//
    1.12 +// This program is distributed in the hope that it will be useful,
    1.13 +// but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.14 +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.15 +// GNU General Public License for more details.
    1.16 +//
    1.17 +// You should have received a copy of the GNU General Public License
    1.18 +// along with this program; if not, write to the Free Software Foundation,
    1.19 +// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
    1.20 +
    1.21 +#ifndef __VBA_SOUND_DRIVER_H__
    1.22 +#define __VBA_SOUND_DRIVER_H__
    1.23 +
    1.24 +#include "Types.h"
    1.25 +
    1.26 +/**
    1.27 + * Sound driver abstract interface for the core to use to output sound.
    1.28 + * Subclass this to implement a new sound driver.
    1.29 + */
    1.30 +class SoundDriver
    1.31 +{
    1.32 +public:
    1.33 +
    1.34 +	/**
    1.35 +	 * Destructor. Free the resources allocated by the sound driver.
    1.36 +	 */
    1.37 +	virtual ~SoundDriver() { };
    1.38 +
    1.39 +	/**
    1.40 +	 * Initialize the sound driver.
    1.41 +	 * @param sampleRate In Hertz
    1.42 +	 */
    1.43 +	virtual bool init() = 0;
    1.44 +
    1.45 +	/**
    1.46 +	 * Tell the driver that the sound stream has paused
    1.47 +	 */
    1.48 +	virtual void pause() = 0;
    1.49 +
    1.50 +	/**
    1.51 +	 * Reset the sound driver
    1.52 +	 */
    1.53 +	virtual void reset() = 0;
    1.54 +
    1.55 +	/**
    1.56 +	 * Tell the driver that the sound stream has resumed
    1.57 +	 */
    1.58 +	virtual void resume() = 0;
    1.59 +
    1.60 +	/**
    1.61 +	 * Write length bytes of data from the finalWave buffer to the driver output buffer.
    1.62 +	 */
    1.63 +	virtual void write(u16 * finalWave, int length) = 0;
    1.64 +
    1.65 +	virtual bool setThrottle(unsigned short throttle) = 0;
    1.66 +};
    1.67 +
    1.68 +#endif // __VBA_SOUND_DRIVER_H__