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started to split out the midi drivers

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svn-id: r5889
This commit is contained in:
Max Horn 2002-12-08 20:19:01 +00:00
parent 3a9ab20092
commit 0ac3214fd5
9 changed files with 660 additions and 558 deletions
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43
backends/midi/null.cpp Normal file
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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.
*
* $Header$
*/
#include "sound/mpu401.h"
#include "common/engine.h" // for warning/error/debug
/* NULL driver */
class MidiDriver_NULL : public MidiDriver_MPU401 {
public:
int open(int mode);
void close() { }
void send(uint32 b) { }
void pause(bool p) { }
void set_stream_callback(void *param, StreamCallback *sc) { }
};
int MidiDriver_NULL::open(int mode)
{
warning("Music not enabled - MIDI support selected with no MIDI driver available. Try Adlib");
return 0;
}
MidiDriver *MidiDriver_NULL_create()
{
return new MidiDriver_NULL();
}