Mercurial > vba-linux

     1 // VisualBoyAdvance - Nintendo Gameboy/GameboyAdvance (TM) emulator.

     2 // Copyright (C) 2008 VBA-M development team

     3 

     4 // This program is free software; you can redistribute it and/or modify

     5 // it under the terms of the GNU General Public License as published by

     6 // the Free Software Foundation; either version 2, or(at your option)

     7 // any later version.

     8 //

     9 // This program is distributed in the hope that it will be useful,

    10 // but WITHOUT ANY WARRANTY; without even the implied warranty of

    11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12 // GNU General Public License for more details.

    13 //

    14 // You should have received a copy of the GNU General Public License

    15 // along with this program; if not, write to the Free Software Foundation,

    16 // Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

    17 

    18 #ifndef __VBA_SOUND_DRIVER_H__

    19 #define __VBA_SOUND_DRIVER_H__

    20 

    21 #include "Types.h"

    22 

    23 /**

    24  * Sound driver abstract interface for the core to use to output sound.

    25  * Subclass this to implement a new sound driver.

    26  */

    27 class SoundDriver

    28 {

    29 public:

    30 

    31 	/**

    32 	 * Destructor. Free the resources allocated by the sound driver.

    33 	 */

    34 	virtual ~SoundDriver() { };

    35 

    36 	/**

    37 	 * Initialize the sound driver.

    38 	 * @param sampleRate In Hertz

    39 	 */

    40 	virtual bool init() = 0;

    41 

    42 	/**

    43 	 * Tell the driver that the sound stream has paused

    44 	 */

    45 	virtual void pause() = 0;

    46 

    47 	/**

    48 	 * Reset the sound driver

    49 	 */

    50 	virtual void reset() = 0;

    51 

    52 	/**

    53 	 * Tell the driver that the sound stream has resumed

    54 	 */

    55 	virtual void resume() = 0;

    56 

    57 	/**

    58 	 * Write length bytes of data from the finalWave buffer to the driver output buffer.

    59 	 */

    60 	virtual void write(u16 * finalWave, int length) = 0;

    61 

    62 	virtual bool setThrottle(unsigned short throttle) = 0;

    63 };

    64 

    65 #endif // __VBA_SOUND_DRIVER_H__
author	Robert McIntyre <rlm@mit.edu>
date	Sun, 04 Mar 2012 21:06:50 -0600
parents	f9f4f1b99eed
children