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_SDL_H__

    19 #define __VBA_SOUND_SDL_H__

    20 

    21 #include "SoundDriver.h"

    22 #include "RingBuffer.h"

    23 

    24 #include <SDL.h>

    25 

    26 const int SDL_SAMPLE_RATE = 44100;

    27 

    28 class SoundSDL: public SoundDriver

    29 {

    30 public:

    31 	SoundSDL();

    32 	virtual ~SoundSDL();

    33 

    34 	virtual bool init();

    35 	virtual void pause();

    36 	virtual void reset();

    37 	virtual void resume();

    38 	virtual void write(u16 * finalWave, int length);

    39 	virtual bool setThrottle(unsigned short throttle);

    40 

    41 //private:

    42 	RingBuffer<u16> _rbuf;

    43 

    44 	SDL_cond  * _cond;

    45 	SDL_mutex * _mutex;

    46 

    47 	bool _initialized;

    48 

    49 	// Defines what delay in seconds we keep in the sound buffer

    50 	static const float _delay;

    51 

    52 	static void soundCallback(void *data, u8 *stream, int length);

    53 	virtual void read(u16 * stream, int length);

    54 };

    55 

    56 #endif // __VBA_SOUND_SDL_H__
author	Robert McIntyre <rlm@mit.edu>
date	Sun, 04 Mar 2012 22:32:01 -0600
parents	f9f4f1b99eed
children