rollback to 3428, before the mysterious removal of libs/* at 3431/3432

git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 188 insertions, 0 deletions

diff --git a/libs/midi++2/midi++/parser.h b/libs/midi++2/midi++/parser.h
new file mode 100644
index 0000000000..73c7c75f61
--- /dev/null
+++ b/libs/midi++2/midi++/parser.h
@@ -0,0 +1,188 @@
+/*
+    Copyright (C) 1998 Paul Barton-Davis
+    
+    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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef  __midi_parse_h__
+#define  __midi_parse_h__
+
+#include <string>
+#include <iostream>
+
+#include <sigc++/sigc++.h>
+
+#include <midi++/types.h>
+
+namespace MIDI {
+
+class Port;
+class Parser;
+
+typedef sigc::signal<void, Parser &, byte>                 OneByteSignal;
+typedef sigc::signal<void, Parser &, EventTwoBytes *>      TwoByteSignal;
+typedef sigc::signal<void, Parser &, pitchbend_t>          PitchBendSignal;
+typedef sigc::signal<void, Parser &, byte *, size_t> Signal;
+
+class Parser : public sigc::trackable {
+ public:
+	Parser (Port &p);
+	~Parser ();
+	
+	/* signals that anyone can connect to */
+	
+	OneByteSignal         bank_change;
+	TwoByteSignal         note_on;
+	TwoByteSignal         note_off;
+	TwoByteSignal         poly_pressure;
+	OneByteSignal         pressure;
+	OneByteSignal         program_change;
+	PitchBendSignal       pitchbend;
+	TwoByteSignal         controller;
+
+	OneByteSignal         channel_bank_change[16];
+	TwoByteSignal         channel_note_on[16];
+	TwoByteSignal         channel_note_off[16];
+	TwoByteSignal         channel_poly_pressure[16];
+	OneByteSignal         channel_pressure[16];
+	OneByteSignal         channel_program_change[16];
+	PitchBendSignal       channel_pitchbend[16];
+	TwoByteSignal         channel_controller[16];
+	sigc::signal<void, Parser &>          channel_active_preparse[16];
+	sigc::signal<void, Parser &>          channel_active_postparse[16];
+
+	OneByteSignal         mtc_quarter_frame;
+
+	Signal                raw_preparse;
+	Signal                raw_postparse;
+	Signal                any;
+	Signal                sysex;
+	Signal                mmc;
+	Signal                position;
+	Signal                song;
+
+	Signal                        mtc;
+	sigc::signal<void,Parser&>   mtc_qtr;
+
+	sigc::signal<void, Parser &>          all_notes_off;
+	sigc::signal<void, Parser &>          tune;
+	sigc::signal<void, Parser &>          timing;
+	sigc::signal<void, Parser &>          start;
+	sigc::signal<void, Parser &>          stop;
+	sigc::signal<void, Parser &>          contineu;  /* note spelling */
+	sigc::signal<void, Parser &>          active_sense;
+	sigc::signal<void, Parser &>          reset;
+	sigc::signal<void, Parser &>          eox;
+
+	/* This should really be protected, but then derivatives of Port
+	   can't access it.
+	*/
+
+	void scanner (byte c);
+
+	size_t *message_counts() { return message_counter; }
+	const char *midi_event_type_name (MIDI::eventType);
+	void trace (bool onoff, std::ostream *o, const std::string &prefix = "");
+	bool tracing() { return trace_stream != 0; }
+	Port &port() { return _port; }
+
+	void set_offline (bool);
+	bool offline() const { return _offline; }
+	sigc::signal<void> OfflineStatusChanged;
+
+	sigc::signal<int, byte *, size_t> edit;
+
+	void set_mmc_forwarding (bool yn) {
+		_mmc_forward = yn;
+	}
+
+	/* MTC */
+
+	enum MTC_Status {
+		MTC_Stopped = 0,
+		MTC_Forward,
+		MTC_Backward
+	};
+
+	MTC_FPS mtc_fps() const { return _mtc_fps; }
+	MTC_Status  mtc_running() const { return _mtc_running; }
+	const byte *mtc_current() const { return _mtc_time; }
+	bool        mtc_locked() const  { return _mtc_locked; }
+
+	sigc::signal<void,MTC_Status> mtc_status;
+	sigc::signal<bool>            mtc_skipped;
+	sigc::signal<void,const byte*,bool> mtc_time;
+
+	void set_mtc_forwarding (bool yn) {
+		_mtc_forward = yn;
+	}
+
+	void reset_mtc_state ();
+	
+  private:
+	Port &_port;
+	/* tracing */
+
+	std::ostream *trace_stream;
+	std::string trace_prefix;
+	void trace_event (Parser &p, byte *msg, size_t len);
+	sigc::connection trace_connection;
+
+	size_t message_counter[256];
+
+	enum ParseState { 
+		NEEDSTATUS,
+		NEEDONEBYTE,
+		NEEDTWOBYTES,
+		VARIABLELENGTH
+	};
+	ParseState state;
+	unsigned char *msgbuf;
+	int msglen;
+	int msgindex;
+	MIDI::eventType msgtype;
+	channel_t channel;
+	bool _offline;
+	bool runnable;
+	bool was_runnable;
+	bool _mmc_forward;
+	bool _mtc_forward;
+	int   expected_mtc_quarter_frame_code;
+	byte _mtc_time[5];
+	byte _qtr_mtc_time[5];
+	unsigned long consecutive_qtr_frame_cnt;
+	MTC_FPS _mtc_fps;
+	MTC_Status _mtc_running;
+	bool       _mtc_locked;
+	byte last_qtr_frame;
+
+	ParseState pre_variable_state;
+	MIDI::eventType pre_variable_msgtype;
+	byte last_status_byte;
+
+	void channel_msg (byte);
+	void realtime_msg (byte);
+	void system_msg (byte);
+	void signal (byte *msg, size_t msglen);
+	bool possible_mmc (byte *msg, size_t msglen);
+	bool possible_mtc (byte *msg, size_t msglen);
+	void process_mtc_quarter_frame (byte *msg);
+};
+
+} // namespace MIDI
+
+#endif   // __midi_parse_h__
+