Paul Davis
f7f9d6fdc4
git-svn-id: svn://localhost/ardour2/trunk@2539 d708f5d6-7413-0410-9779-e7cbd77b26cf
94 lines
2.1 KiB
C++
94 lines
2.1 KiB
C++
/*
|
|
Copyright (C) 1999 Paul Barton-Davis
|
|
|
|
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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
*/
|
|
|
|
#ifndef __fd_midiport_h__
|
|
#define __fd_midiport_h__
|
|
|
|
#include <vector>
|
|
#include <string>
|
|
#include <cerrno>
|
|
|
|
#include <cerrno>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
|
|
#include <midi++/port.h>
|
|
|
|
namespace MIDI {
|
|
|
|
class FD_MidiPort : public Port
|
|
|
|
{
|
|
public:
|
|
FD_MidiPort (const XMLNode& node,
|
|
const std::string &dirpath,
|
|
const std::string &pattern);
|
|
|
|
virtual ~FD_MidiPort () {
|
|
::close (_fd);
|
|
}
|
|
|
|
virtual int selectable() const;
|
|
|
|
static std::vector<std::string *> *list_devices ();
|
|
|
|
protected:
|
|
int _fd;
|
|
virtual void open (const Port::Descriptor&);
|
|
|
|
virtual int write (byte *msg, size_t msglen, timestamp_t ignored) {
|
|
int nwritten;
|
|
|
|
if ((_mode & O_ACCMODE) == O_RDONLY) {
|
|
return -EACCES;
|
|
}
|
|
|
|
if (slowdown) {
|
|
return do_slow_write (msg, msglen);
|
|
}
|
|
|
|
if ((nwritten = ::write (_fd, msg, msglen)) > 0) {
|
|
bytes_written += nwritten;
|
|
|
|
if (output_parser) {
|
|
output_parser->raw_preparse
|
|
(*output_parser, msg, nwritten);
|
|
for (int i = 0; i < nwritten; i++) {
|
|
output_parser->scanner (msg[i]);
|
|
}
|
|
output_parser->raw_postparse
|
|
(*output_parser, msg, nwritten);
|
|
}
|
|
}
|
|
return nwritten;
|
|
}
|
|
|
|
virtual int read (byte *buf, size_t max, timestamp_t ignored);
|
|
|
|
private:
|
|
static std::string *midi_dirpath;
|
|
static std::string *midi_filename_pattern;
|
|
|
|
int do_slow_write (byte *msg, unsigned int msglen);
|
|
};
|
|
|
|
} // namespace MIDI
|
|
|
|
#endif // __fd_midiport_h__
|