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author | Max Horn | 2002-12-08 20:19:01 +0000 |
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committer | Max Horn | 2002-12-08 20:19:01 +0000 |
commit | 0ac3214fd581e6782b09dcffe220eed2bc09c3dd (patch) | |
tree | 29d8aebd2981ab4a28aee1f9da26327fa02744f1 /backends/midi/null.cpp | |
parent | 3a9ab200921fc3a71ef8c30e73fd82f78a0eba08 (diff) | |
download | scummvm-rg350-0ac3214fd581e6782b09dcffe220eed2bc09c3dd.tar.gz scummvm-rg350-0ac3214fd581e6782b09dcffe220eed2bc09c3dd.tar.bz2 scummvm-rg350-0ac3214fd581e6782b09dcffe220eed2bc09c3dd.zip |
started to split out the midi drivers
svn-id: r5889
Diffstat (limited to 'backends/midi/null.cpp')
-rw-r--r-- | backends/midi/null.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/backends/midi/null.cpp b/backends/midi/null.cpp new file mode 100644 index 0000000000..ea54c9826a --- /dev/null +++ b/backends/midi/null.cpp @@ -0,0 +1,43 @@ +/* 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(); +} |