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 <sigc++/sigc++.h>
28 #include "midi++/types.h"
35 typedef sigc::signal<void, Parser &, byte> OneByteSignal;
36 typedef sigc::signal<void, Parser &, EventTwoBytes *> TwoByteSignal;
37 typedef sigc::signal<void, Parser &, pitchbend_t> PitchBendSignal;
38 typedef sigc::signal<void, Parser &, byte *, size_t> Signal;
40 class Parser : public sigc::trackable {
45 /* signals that anyone can connect to */
47 OneByteSignal bank_change;
48 TwoByteSignal note_on;
49 TwoByteSignal note_off;
50 TwoByteSignal poly_pressure;
51 OneByteSignal pressure;
52 OneByteSignal program_change;
53 PitchBendSignal pitchbend;
54 TwoByteSignal controller;
56 OneByteSignal channel_bank_change[16];
57 TwoByteSignal channel_note_on[16];
58 TwoByteSignal channel_note_off[16];
59 TwoByteSignal channel_poly_pressure[16];
60 OneByteSignal channel_pressure[16];
61 OneByteSignal channel_program_change[16];
62 PitchBendSignal channel_pitchbend[16];
63 TwoByteSignal channel_controller[16];
64 sigc::signal<void, Parser &> channel_active_preparse[16];
65 sigc::signal<void, Parser &> channel_active_postparse[16];
67 OneByteSignal mtc_quarter_frame;
78 sigc::signal<void,Parser&,int> mtc_qtr;
80 sigc::signal<void, Parser &> all_notes_off;
81 sigc::signal<void, Parser &> tune;
82 sigc::signal<void, Parser &, nframes_t> timing;
83 sigc::signal<void, Parser &, nframes_t> start;
84 sigc::signal<void, Parser &, nframes_t> stop;
85 sigc::signal<void, Parser &, nframes_t> contineu; /* note spelling */
86 sigc::signal<void, Parser &> active_sense;
87 sigc::signal<void, Parser &> reset;
88 sigc::signal<void, Parser &> eox;
90 /* This should really be protected, but then derivatives of Port
94 void scanner (byte c);
96 size_t *message_counts() { return message_counter; }
97 const char *midi_event_type_name (MIDI::eventType);
98 void trace (bool onoff, std::ostream *o, const std::string &prefix = "");
99 bool tracing() { return trace_stream != 0; }
100 Port &port() { return _port; }
102 void set_offline (bool);
103 bool offline() const { return _offline; }
104 sigc::signal<void> OfflineStatusChanged;
106 sigc::signal<int, byte *, size_t> edit;
108 void set_mmc_forwarding (bool yn) {
120 MTC_FPS mtc_fps() const { return _mtc_fps; }
121 MTC_Status mtc_running() const { return _mtc_running; }
122 const byte *mtc_current() const { return _mtc_time; }
123 bool mtc_locked() const { return _mtc_locked; }
125 nframes_t get_midi_clock_timestamp() const { return _midi_clock_timestamp; }
126 void set_midi_clock_timestamp(const nframes_t timestamp) { _midi_clock_timestamp = timestamp; }
128 sigc::signal<void,MTC_Status> mtc_status;
129 sigc::signal<bool> mtc_skipped;
130 sigc::signal<void,const byte*,bool> mtc_time;
132 void set_mtc_forwarding (bool yn) {
136 void reset_mtc_state ();
142 std::ostream *trace_stream;
143 std::string trace_prefix;
144 void trace_event (Parser &p, byte *msg, size_t len);
145 sigc::connection trace_connection;
147 size_t message_counter[256];
156 unsigned char *msgbuf;
159 MIDI::eventType msgtype;
166 int expected_mtc_quarter_frame_code;
168 byte _qtr_mtc_time[5];
169 unsigned long consecutive_qtr_frame_cnt;
171 MTC_Status _mtc_running;
175 nframes_t _midi_clock_timestamp;
177 ParseState pre_variable_state;
178 MIDI::eventType pre_variable_msgtype;
179 byte last_status_byte;
181 void channel_msg (byte);
182 void realtime_msg (byte);
183 void system_msg (byte);
184 void signal (byte *msg, size_t msglen);
185 bool possible_mmc (byte *msg, size_t msglen);
186 bool possible_mtc (byte *msg, size_t msglen);
187 void process_mtc_quarter_frame (byte *msg);
192 #endif // __midi_parse_h__