69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
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/*
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Copyright (C) 1998-99 Paul Barton-Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __nullmidi_h__
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#define __nullmidi_h__
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#include <fcntl.h>
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#include <vector>
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#include <string>
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#include <midi++/port.h>
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namespace MIDI {
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class Null_MidiPort : public Port
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{
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public:
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Null_MidiPort (PortRequest &req)
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: Port (req) {
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/* reset devname and tagname */
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_devname = "nullmidi";
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_tagname = "null";
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_type = Port::Null;
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_ok = true;
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}
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virtual ~Null_MidiPort () {};
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/* Direct I/O */
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int write (byte *msg, size_t msglen, timestamp_t timestamp) {
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return msglen;
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}
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int read (byte *buf, size_t max) {
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return 0;
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}
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virtual int selectable() const { return -1; }
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static std::string typestring;
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protected:
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std::string get_typestring () const {
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return typestring;
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}
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};
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} // namespace MIDI
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#endif // __nullmidi_h__
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