2 Copyright (C) 1998 Paul Barton-Davis
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.
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.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __midi_parse_h__
21 #define __midi_parse_h__
26 #include "pbd/signals.h"
28 #include "midi++/libmidi_visibility.h"
29 #include "midi++/types.h"
36 typedef PBD::Signal1<void,Parser&> ZeroByteSignal;
37 typedef PBD::Signal2<void,Parser&,unsigned short> BankSignal;
38 typedef PBD::Signal2<void,Parser&,framecnt_t> TimestampedSignal;
39 typedef PBD::Signal2<void,Parser&, byte> OneByteSignal;
40 typedef PBD::Signal2<void,Parser &, EventTwoBytes *> TwoByteSignal;
41 typedef PBD::Signal2<void,Parser &, pitchbend_t> PitchBendSignal;
42 typedef PBD::Signal3<void,Parser &, uint16_t, int> RPNSignal;
43 typedef PBD::Signal3<void,Parser &, uint16_t, float> RPNValueSignal;
44 typedef PBD::Signal3<void,Parser &, byte *, size_t> Signal;
46 class LIBMIDIPP_API Parser {
51 /* sets the time that will be reported for any MTC or MIDI Clock
52 message the next time ::scanner() parses such a message. It should
53 therefore be set before every byte passed into ::scanner().
56 framecnt_t get_timestamp() const { return _timestamp; }
57 void set_timestamp (const framecnt_t timestamp) { _timestamp = timestamp; }
59 /* signals that anyone can connect to */
61 BankSignal bank_change;
62 TwoByteSignal note_on;
63 TwoByteSignal note_off;
64 TwoByteSignal poly_pressure;
65 OneByteSignal pressure;
66 OneByteSignal program_change;
67 PitchBendSignal pitchbend;
68 TwoByteSignal controller;
70 BankSignal channel_bank_change[16];
71 TwoByteSignal channel_note_on[16];
72 TwoByteSignal channel_note_off[16];
73 TwoByteSignal channel_poly_pressure[16];
74 OneByteSignal channel_pressure[16];
75 OneByteSignal channel_program_change[16];
76 PitchBendSignal channel_pitchbend[16];
77 TwoByteSignal channel_controller[16];
78 ZeroByteSignal channel_active_preparse[16];
79 ZeroByteSignal channel_active_postparse[16];
80 RPNValueSignal channel_rpn[16];
81 RPNValueSignal channel_nrpn[16];
82 RPNSignal channel_rpn_change[16];
83 RPNSignal channel_nrpn_change[16];
85 OneByteSignal mtc_quarter_frame; /* see below for more useful signals */
95 ZeroByteSignal all_notes_off;
97 ZeroByteSignal active_sense;
101 TimestampedSignal timing;
102 TimestampedSignal start;
103 TimestampedSignal stop;
104 TimestampedSignal contineu; /* note spelling */
106 /* This should really be protected, but then derivatives of Port
110 void scanner (byte c);
112 size_t *message_counts() { return message_counter; }
113 const char *midi_event_type_name (MIDI::eventType);
114 void trace (bool onoff, std::ostream *o, const std::string &prefix = "");
115 bool tracing() { return trace_stream != 0; }
117 void set_offline (bool);
118 bool offline() const { return _offline; }
119 PBD::Signal0<void> OfflineStatusChanged;
121 PBD::Signal2<int,byte *, size_t> edit;
123 void set_mmc_forwarding (bool yn) {
129 MTC_FPS mtc_fps() const { return _mtc_fps; }
130 MTC_Status mtc_running() const { return _mtc_running; }
131 const byte *mtc_current() const { return _mtc_time; }
132 bool mtc_locked() const { return _mtc_locked; }
134 PBD::Signal3<void, Parser &, int, framecnt_t> mtc_qtr;
135 PBD::Signal3<void, const byte *, bool, framecnt_t> mtc_time;
136 PBD::Signal1<void, MTC_Status> mtc_status;
137 PBD::Signal0<bool> mtc_skipped;
139 void set_mtc_forwarding (bool yn) {
143 void reset_mtc_state ();
148 std::ostream *trace_stream;
149 std::string trace_prefix;
150 void trace_event (Parser &p, byte *msg, size_t len);
151 PBD::ScopedConnection trace_connection;
153 size_t message_counter[256];
162 unsigned char *msgbuf;
165 MIDI::eventType msgtype;
172 int expected_mtc_quarter_frame_code;
174 byte _qtr_mtc_time[5];
175 unsigned long consecutive_qtr_frame_cnt;
177 MTC_Status _mtc_running;
181 framecnt_t _timestamp;
183 ParseState pre_variable_state;
184 MIDI::eventType pre_variable_msgtype;
185 byte last_status_byte;
187 void channel_msg (byte);
188 void realtime_msg (byte);
189 void system_msg (byte);
190 void signal (byte *msg, size_t msglen);
191 bool possible_mmc (byte *msg, size_t msglen);
192 bool possible_mtc (byte *msg, size_t msglen);
193 void process_mtc_quarter_frame (byte *msg);
198 #endif // __midi_parse_h__