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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001/2002 The ScummVM project
*
* This program 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 Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*/
#if defined(WIN32) && !defined(_WIN32_WCE)
#include "stdafx.h"
#include "sound/mpu401.h"
#include "common/engine.h" // For warning/error/debug
////////////////////////////////////////
//
// Windows MIDI driver
//
////////////////////////////////////////
class MidiDriver_WIN : public MidiDriver_MPU401 {
private:
HMIDIOUT _mo;
bool _isOpen;
void check_error(MMRESULT result);
uint32 property(int prop, uint32 param) { return 0; }
public:
MidiDriver_WIN() : _isOpen (false) { }
int open();
void close();
void send(uint32 b);
};
int MidiDriver_WIN::open()
{
if (_isOpen)
return MERR_ALREADY_OPEN;
MMRESULT res = midiOutOpen((HMIDIOUT *) &_mo, MIDI_MAPPER, 0, 0, 0);
if (res != MMSYSERR_NOERROR) {
check_error(res);
return MERR_DEVICE_NOT_AVAILABLE;
}
_isOpen = true;
return 0;
}
void MidiDriver_WIN::close()
{
_isOpen = false;
check_error(midiOutClose(_mo));
}
void MidiDriver_WIN::send(uint32 b)
{
union {
DWORD dwData;
BYTE bData[4];
} u;
u.bData[3] = (byte)((b & 0xFF000000) >> 24);
u.bData[2] = (byte)((b & 0x00FF0000) >> 16);
u.bData[1] = (byte)((b & 0x0000FF00) >> 8);
u.bData[0] = (byte)(b & 0x000000FF);
// printMidi(u.bData[0], u.bData[1], u.bData[2], u.bData[3]);
check_error(midiOutShortMsg(_mo, u.dwData));
}
void MidiDriver_WIN::check_error(MMRESULT result)
{
char buf[200];
if (result != MMSYSERR_NOERROR) {
midiOutGetErrorText(result, buf, 200);
warning("MM System Error '%s'", buf);
}
}
MidiDriver *MidiDriver_WIN_create()
{
return new MidiDriver_WIN();
}
#endif
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