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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
* Copyright (C) 2006-2015 David Robillard <d@drobilla.net>
* Copyright (C) 2007-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2008-2009 Hans Baier <hansfbaier@googlemail.com>
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2015-2019 Robin Gareus <robin@gareus.org>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __ardour_smf_source_h__
#define __ardour_smf_source_h__
#include <cstdio>
#include <time.h>
#include "evoral/SMF.h"
#include "ardour/midi_source.h"
#include "ardour/file_source.h"
namespace Evoral { template<typename T> class Event; }
namespace ARDOUR {
template<typename T> class MidiRingBuffer;
/** Standard Midi File (Type 0) Source */
class LIBARDOUR_API SMFSource : public MidiSource, public FileSource, public Evoral::SMF {
public:
/** Constructor for new internal-to-session files */
SMFSource (Session& session, const std::string& path, Source::Flag flags);
/** Constructor for existing external-to-session files */
SMFSource (Session& session, const std::string& path);
/** Constructor for existing in-session files */
SMFSource (Session& session, const XMLNode&, bool must_exist = false);
virtual ~SMFSource ();
bool safe_file_extension (const std::string& path) const {
return safe_midi_file_extension(path);
}
void append_event_beats (const Lock& lock, const Evoral::Event<Temporal::Beats>& ev);
void append_event_samples (const Lock& lock, const Evoral::Event<samplepos_t>& ev, samplepos_t source_start);
void mark_streaming_midi_write_started (const Lock& lock, NoteMode mode);
void mark_streaming_write_completed (const Lock& lock);
void mark_midi_streaming_write_completed (const Lock& lock,
Evoral::Sequence<Temporal::Beats>::StuckNoteOption,
Temporal::Beats when = Temporal::Beats());
XMLNode& get_state ();
int set_state (const XMLNode&, int version);
void load_model (const Glib::Threads::Mutex::Lock& lock, bool force_reload=false);
void destroy_model (const Glib::Threads::Mutex::Lock& lock);
static bool safe_midi_file_extension (const std::string& path);
static bool valid_midi_file (const std::string& path);
void prevent_deletion ();
void set_path (const std::string& newpath);
protected:
void close ();
void flush_midi (const Lock& lock);
private:
bool _open;
Temporal::Beats _last_ev_time_beats;
samplepos_t _last_ev_time_samples;
/** end time (start + duration) of last call to read_unlocked */
mutable samplepos_t _smf_last_read_end;
/** time (in SMF ticks, 1 tick per _ppqn) of the last event read by read_unlocked */
mutable samplepos_t _smf_last_read_time;
int open_for_write ();
void ensure_disk_file (const Lock& lock);
samplecnt_t read_unlocked (const Lock& lock,
Evoral::EventSink<samplepos_t>& dst,
samplepos_t position,
samplepos_t start,
samplecnt_t cnt,
Evoral::Range<samplepos_t>* loop_range,
MidiStateTracker* tracker,
MidiChannelFilter* filter) const;
samplecnt_t write_unlocked (const Lock& lock,
MidiRingBuffer<samplepos_t>& src,
samplepos_t position,
samplecnt_t cnt);
};
}; /* namespace ARDOUR */
#endif /* __ardour_smf_source_h__ */
|