summaryrefslogtreecommitdiff
path: root/drumgizmo/input/midifile.h
blob: 85abfc91c782feff45e2922d96a53a33efb13759 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            minifile.h
 *
 *  Mi 20. Jan 16:07:57 CET 2016
 *  Copyright 2016 Christian Glöckner
 *  cgloeckner@freenet.de
 ****************************************************************************/

/*
 *  This file is part of DrumGizmo.
 *
 *  DrumGizmo 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.
 *
 *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#pragma once
#include <string>

#include <event.h>
#include <smf.h>

#include <audioinputengine.h>
#include <midimapper.h>
#include <midimapparser.h>

class MidifileInputEngine
	: public AudioInputEngine {
	public:
		MidifileInputEngine();
		~MidifileInputEngine();
		
		// based on AudioInputEngine
		bool isMidiEngine() override;
		bool init(Instruments &instruments) override;
		void setParm(std::string parm, std::string value) override;
		bool start() override;
		void stop() override;
		void pre() override;
		event_t* run(size_t pos, size_t len, size_t* nevents) override;
		void post() override;
		
	private:
		smf_t* smf;
		smf_event_t* current_event;
		
		MidiMapper midi_mapper;
		
		std::string file, midimap;
		float speed;
		int track;
		bool loop;
		double offset;
};