1 /*
2  * Copyright (C) 2014-2015 Robin Gareus <robin@gareus.org>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; either version 2 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License along
15  * with this program; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17  */
18 
19 #ifndef __libbackend_alsa_sequencer_h__
20 #define __libbackend_alsa_sequencer_h__
21 
22 #include <stdint.h>
23 #include <poll.h>
24 #include <pthread.h>
25 
26 #include <alsa/asoundlib.h>
27 
28 #include "pbd/ringbuffer.h"
29 #include "ardour/types.h"
30 #include "alsa_midi.h"
31 
32 namespace ARDOUR {
33 
34 class AlsaSeqMidiIO : virtual public AlsaMidiIO {
35 public:
36 	AlsaSeqMidiIO (const std::string &name, const char *port_name, const bool input);
37 	virtual ~AlsaSeqMidiIO ();
38 
39 protected:
40 	snd_seq_t *_seq;
41 	int _port;
42 
43 private:
44 	void init (const char *device_name, const bool input);
45 };
46 
47 class AlsaSeqMidiOut : public AlsaSeqMidiIO, public AlsaMidiOut
48 {
49 public:
50 	AlsaSeqMidiOut (const std::string &name, const char *port_name);
51 	void* main_process_thread ();
52 };
53 
54 class AlsaSeqMidiIn : public AlsaSeqMidiIO, public AlsaMidiIn
55 {
56 public:
57 	AlsaSeqMidiIn (const std::string &name, const char *port_name);
58 
59 	void* main_process_thread ();
60 };
61 
62 } // namespace
63 
64 #endif
65