433d9a5fc3
Enum and namespace syntax fixes to satisfy -pedantic Resolved a couple "code never reached" areas to satisfy -Wextra git-svn-id: svn://localhost/ardour2/trunk@688 d708f5d6-7413-0410-9779-e7cbd77b26cf
146 lines
3.3 KiB
C++
146 lines
3.3 KiB
C++
/*
|
|
Copyright (C) 1998-99 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.
|
|
|
|
$Id$
|
|
*/
|
|
|
|
#ifndef __libmidi_port_h__
|
|
#define __libmidi_port_h__
|
|
|
|
#include <string>
|
|
|
|
#include <sigc++/sigc++.h>
|
|
|
|
#include <midi++/types.h>
|
|
#include <midi++/parser.h>
|
|
|
|
namespace MIDI {
|
|
|
|
class Channel;
|
|
class PortRequest;
|
|
|
|
class Port : public sigc::trackable {
|
|
public:
|
|
enum Type {
|
|
Unknown,
|
|
ALSA_RawMidi,
|
|
ALSA_Sequencer,
|
|
CoreMidi_MidiPort,
|
|
Null,
|
|
FIFO
|
|
};
|
|
|
|
|
|
Port (PortRequest &);
|
|
virtual ~Port ();
|
|
|
|
/* Direct I/O */
|
|
|
|
virtual int write (byte *msg, size_t msglen) = 0;
|
|
virtual int read (byte *buf, size_t max) = 0;
|
|
|
|
/* slowdown i/o to a loop of single byte emissions
|
|
interspersed with a busy loop of 10000 * this value.
|
|
|
|
This may be ignored by a particular instance
|
|
of this virtual class. See FD_MidiPort for an
|
|
example of where it used.
|
|
*/
|
|
|
|
void set_slowdown (size_t n) { slowdown = n; }
|
|
|
|
/* select(2)/poll(2)-based I/O */
|
|
|
|
virtual int selectable() const = 0;
|
|
|
|
//void selector_read_callback (Select::Selectable *, Select::Condition);
|
|
|
|
static void xforms_read_callback (int cond, int fd, void *ptr);
|
|
static void gtk_read_callback (void *ptr, int fd, int cond);
|
|
|
|
static void write_callback (byte *msg, unsigned int len, void *);
|
|
|
|
Channel *channel (channel_t chn) {
|
|
return _channel[chn&0x7F];
|
|
}
|
|
|
|
Parser *input() { return input_parser; }
|
|
Parser *output() { return output_parser; }
|
|
|
|
void iostat (int *written, int *read,
|
|
const size_t **in_counts,
|
|
const size_t **out_counts) {
|
|
|
|
*written = bytes_written;
|
|
*read = bytes_read;
|
|
if (input_parser) {
|
|
*in_counts = input_parser->message_counts();
|
|
} else {
|
|
*in_counts = 0;
|
|
}
|
|
if (output_parser) {
|
|
*out_counts = output_parser->message_counts();
|
|
} else {
|
|
*out_counts = 0;
|
|
}
|
|
}
|
|
|
|
int midimsg (byte *msg, size_t len) {
|
|
return !(write (msg, len) == (int) len);
|
|
}
|
|
|
|
int three_byte_msg (byte a, byte b, byte c) {
|
|
byte msg[3];
|
|
|
|
msg[0] = a;
|
|
msg[1] = b;
|
|
msg[2] = c;
|
|
|
|
return !(write (msg, 3) == 3);
|
|
}
|
|
|
|
int clock ();
|
|
|
|
const char *device () const { return _devname.c_str(); }
|
|
const char *name () const { return _tagname.c_str(); }
|
|
Type type () const { return _type; }
|
|
int mode () const { return _mode; }
|
|
bool ok () const { return _ok; }
|
|
size_t number () const { return _number; }
|
|
|
|
protected:
|
|
bool _ok;
|
|
Type _type;
|
|
std::string _devname;
|
|
std::string _tagname;
|
|
int _mode;
|
|
size_t _number;
|
|
Channel *_channel[16];
|
|
sigc::connection thru_connection;
|
|
unsigned int bytes_written;
|
|
unsigned int bytes_read;
|
|
Parser *input_parser;
|
|
Parser *output_parser;
|
|
size_t slowdown;
|
|
|
|
private:
|
|
static size_t nports;
|
|
};
|
|
|
|
} // namespace MIDI
|
|
|
|
#endif // __libmidi_port_h__
|