Bochs/bochs/iodev/soundosx.h

/////////////////////////////////////////////////////////////////////////
// $Id: soundosx.h,v 1.3 2009-02-08 09:05:52 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2004  The Bochs Project
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2 of the License, or (at your option) any later version.
//
//  This library 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
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA

// This file (SOUNDOSX.H) written and donated by Brian Huffman


#ifdef macintosh

#include "bochs.h"

// Do not include OSX sound headers here;
// They define types Float64 and Float32,
// which are already used elsewhere in bochs.
// All OSX-specific types are hidden inside
// soundosx.cc, where nobody else has to see them.

// uncomment one of these two:
#if BX_WITH_MACOS
#define BX_SOUND_OSX_use_quicktime
#else
#define BX_SOUND_OSX_use_converter
//#define BX_SOUND_OSX_use_quicktime
#endif

#define BX_SOUND_OSX_NBUF     8   // number of buffers for digital output

class bx_sound_osx_c : public bx_sound_output_c {
public:
    bx_sound_osx_c(bx_sb16_c *sb16);
    BX_SOUND_VIRTUAL ~bx_sound_osx_c();

    // if virtual functions are used, we have to override them
    // and define our own. Otherwise this file will just implement
    // the original functions
#ifdef BX_USE_SOUND_VIRTUAL
    BX_SOUND_VIRTUAL int    waveready();
    BX_SOUND_VIRTUAL int    midiready();

    BX_SOUND_VIRTUAL int    openmidioutput(char *device);
    BX_SOUND_VIRTUAL int    sendmidicommand(int delta, int command, int length, Bit8u data[]);
    BX_SOUND_VIRTUAL int    closemidioutput();

    BX_SOUND_VIRTUAL int    openwaveoutput(char *device);
    BX_SOUND_VIRTUAL int    startwaveplayback(int frequency, int bits, int stereo, int format);
    BX_SOUND_VIRTUAL int    sendwavepacket(int length, Bit8u data[]);
    BX_SOUND_VIRTUAL int    stopwaveplayback();
    BX_SOUND_VIRTUAL int    closewaveoutput();
#endif
#ifdef BX_SOUND_OSX_use_converter
    void nextbuffer(int *outDataSize, void **outData);
#endif

private:
    bx_sb16_c *sb16;

    int MidiOpen;
    int WaveOpen;

    Bit8u WaveData[BX_SOUND_OSX_NBUF][BX_SOUND_OUTPUT_WAVEPACKETSIZE];
    int WaveLength[BX_SOUND_OSX_NBUF];
    int head, tail;  // buffer pointers

#ifdef BX_SOUND_OSX_use_converter
    int WavePlaying;
#endif
};

#endif  // macintosh