Paul Davis
f7f9d6fdc4
git-svn-id: svn://localhost/ardour2/trunk@2539 d708f5d6-7413-0410-9779-e7cbd77b26cf
78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
/*
|
|
Copyright (C) 2004 Paul 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 __alsa_sequencer_midiport_h__
|
|
#define __alsa_sequencer_midiport_h__
|
|
|
|
#include <vector>
|
|
#include <string>
|
|
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
|
|
#include <alsa/asoundlib.h>
|
|
#include <midi++/port.h>
|
|
|
|
namespace MIDI {
|
|
|
|
class ALSA_SequencerMidiPort : public Port
|
|
|
|
{
|
|
public:
|
|
ALSA_SequencerMidiPort (const XMLNode&);
|
|
virtual ~ALSA_SequencerMidiPort ();
|
|
|
|
/* select(2)/poll(2)-based I/O */
|
|
|
|
virtual int selectable() const;
|
|
|
|
static int discover (std::vector<PortSet>&);
|
|
static std::string typestring;
|
|
|
|
XMLNode& get_state() const;
|
|
void set_state (const XMLNode&);
|
|
|
|
protected:
|
|
/* Direct I/O */
|
|
|
|
int write (byte *msg, size_t msglen, timestamp_t timestamp);
|
|
int read (byte *buf, size_t max, timestamp_t timestamp);
|
|
|
|
std::string get_typestring () const {
|
|
return typestring;
|
|
}
|
|
|
|
private:
|
|
snd_midi_event_t *decoder, *encoder;
|
|
int port_id;
|
|
snd_seq_event_t SEv;
|
|
|
|
int create_ports (const Port::Descriptor&);
|
|
|
|
static int init_client (std::string name);
|
|
static snd_seq_t* seq;
|
|
|
|
typedef std::pair<int,int> SequencerPortAddress;
|
|
void get_connections (std::vector<SequencerPortAddress>&, int dir) const;
|
|
};
|
|
|
|
}; /* namespace MIDI */
|
|
|
|
#endif // __alsa_sequencer_midiport_h__
|
|
|