Normalise names of .cc and .h files.

git-svn-id: svn://localhost/ardour2/branches/3.0@5664 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 299 insertions, 0 deletions

diff --git a/libs/midi++2/channel.cc b/libs/midi++2/channel.cc
new file mode 100644
index 0000000000..f19c913644
--- /dev/null
+++ b/libs/midi++2/channel.cc
@@ -0,0 +1,299 @@
+/*
+    Copyright (C) 1998-99 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.
+
+    $Id$
+*/
+
+#include <cstring>
+#include "midi++/types.h"
+#include "midi++/port.h"
+#include "midi++/channel.h"
+
+using namespace sigc;
+using namespace MIDI;
+
+Channel::Channel (byte channelnum, Port &p) : _port (p)
+{
+	_channel_number = channelnum;
+
+	reset (0, 1, false);
+}	
+
+void
+Channel::connect_input_signals ()
+
+{
+	_port.input()->channel_pressure[_channel_number].connect
+		(mem_fun (*this, &Channel::process_chanpress));
+	_port.input()->channel_note_on[_channel_number].connect
+		(mem_fun (*this, &Channel::process_note_on));
+	_port.input()->channel_note_off[_channel_number].connect
+		(mem_fun (*this, &Channel::process_note_off));
+	_port.input()->channel_poly_pressure[_channel_number].connect
+		(mem_fun (*this, &Channel::process_polypress));
+	_port.input()->channel_program_change[_channel_number].connect
+		(mem_fun (*this, &Channel::process_program_change));
+	_port.input()->channel_controller[_channel_number].connect
+		(mem_fun (*this, &Channel::process_controller));
+	_port.input()->channel_pitchbend[_channel_number].connect
+		(mem_fun (*this, &Channel::process_pitchbend));
+	_port.input()->reset.connect (mem_fun (*this, &Channel::process_reset));
+}
+
+void
+Channel::connect_output_signals ()
+
+{
+	_port.output()->channel_pressure[_channel_number].connect
+		(mem_fun (*this, &Channel::process_chanpress));
+	_port.output()->channel_note_on[_channel_number].connect
+		(mem_fun (*this, &Channel::process_note_on));
+	_port.output()->channel_note_off[_channel_number].connect
+		(mem_fun (*this, &Channel::process_note_off));
+	_port.output()->channel_poly_pressure[_channel_number].connect
+		(mem_fun (*this, &Channel::process_polypress));
+	_port.output()->channel_program_change[_channel_number].connect
+		(mem_fun (*this, &Channel::process_program_change));
+	_port.output()->channel_controller[_channel_number].connect
+		(mem_fun (*this, &Channel::process_controller));
+	_port.output()->channel_pitchbend[_channel_number].connect
+		(mem_fun (*this, &Channel::process_pitchbend));
+	_port.output()->reset.connect (mem_fun (*this, &Channel::process_reset));
+}
+
+void
+Channel::reset (timestamp_t timestamp, nframes_t /*nframes*/, bool notes_off)
+{
+	_program_number = _channel_number;
+	_bank_number = 0;
+	_pitch_bend = 0;
+
+	_last_note_on = 0;
+	_last_note_off = 0;
+	_last_on_velocity = 0;
+	_last_off_velocity = 0;
+
+	if (notes_off) {
+		all_notes_off (timestamp);
+	}
+
+	memset (_polypress, 0, sizeof (_polypress));
+	memset (_controller_msb, 0, sizeof (_controller_msb));
+	memset (_controller_lsb, 0, sizeof (_controller_lsb));
+       
+	/* zero all controllers XXX not necessarily the right thing */
+
+	memset (_controller_val, 0, sizeof (_controller_val));
+
+	for (int n = 0; n < 128; n++) {
+		_controller_14bit[n] = false;
+	}
+
+	_rpn_msb = 0;
+	_rpn_lsb = 0;
+	_nrpn_msb = 0;
+	_nrpn_lsb = 0;
+
+	_omni = true;
+	_poly = false;
+	_mono = true;
+	_notes_on = 0;
+}
+
+void
+Channel::process_note_off (Parser & /*parser*/, EventTwoBytes *tb) 
+{
+	_last_note_off = tb->note_number;
+	_last_off_velocity = tb->velocity;
+
+	if (_notes_on) {
+		_notes_on--;
+	}
+}
+
+void
+Channel::process_note_on (Parser & /*parser*/, EventTwoBytes *tb) 
+{
+	_last_note_on = tb->note_number;
+	_last_on_velocity = tb->velocity;
+	_notes_on++;
+}
+
+void
+Channel::process_controller (Parser & /*parser*/, EventTwoBytes *tb) 
+{
+	unsigned short cv;
+
+	/* XXX arguably need a lock here to protect non-atomic changes
+	   to controller_val[...]. or rather, need to make sure that
+	   all changes *are* atomic.
+	*/
+
+	if (tb->controller_number <= 31) { /* unsigned: no test for >= 0 */
+
+		/* if this controller is already known to use 14 bits,
+		   then treat this value as the MSB, and combine it 
+		   with the existing LSB.
+
+		   otherwise, just treat it as a 7 bit value, and set
+		   it directly.
+		*/
+
+		cv = (unsigned short) _controller_val[tb->controller_number];
+
+		if (_controller_14bit[tb->controller_number]) {
+			cv = ((tb->value << 7) | (cv & 0x7f));
+		} else {
+			cv = tb->value;
+		}
+
+		_controller_val[tb->controller_number] = (controller_value_t)cv;
+
+	} else if ((tb->controller_number >= 32 && 
+		    tb->controller_number <= 63)) {
+		   
+		cv = (unsigned short) _controller_val[tb->controller_number];
+
+		/* LSB for CC 0-31 arrived. 
+
+		   If this is the first time (i.e. its currently
+		   flagged as a 7 bit controller), mark the
+		   controller as 14 bit, adjust the existing value
+		   to be the MSB, and OR-in the new LSB value. 
+
+		   otherwise, OR-in the new low 7bits with the old
+		   high 7.
+		*/
+
+		int cn = tb->controller_number - 32;
+		   
+		if (_controller_14bit[cn] == false) {
+			_controller_14bit[cn] = true;
+			cv = (cv << 7) | (tb->value & 0x7f);
+		} else {
+			cv = (cv & 0x3f80) | (tb->value & 0x7f);
+		}
+
+		_controller_val[tb->controller_number] = 
+			(controller_value_t) cv;
+	} else {
+
+		/* controller can only take 7 bit values */
+		
+		_controller_val[tb->controller_number] = 
+			(controller_value_t) tb->value;
+	}
+
+	/* bank numbers are special, in that they have their own signal
+	 */
+
+	if (tb->controller_number == 0) {
+		_bank_number = (unsigned short) _controller_val[0];
+		if (_port.input()) {
+			_port.input()->bank_change (*_port.input(), _bank_number);
+			_port.input()->channel_bank_change[_channel_number] 
+				(*_port.input(), _bank_number);
+		}
+	}
+
+}
+
+void
+Channel::process_program_change (Parser & /*parser*/, byte val) 
+{
+	_program_number = val;
+}
+
+void
+Channel::process_chanpress (Parser & /*parser*/, byte val) 
+{
+	_chanpress = val;
+}
+
+void
+Channel::process_polypress (Parser & /*parser*/, EventTwoBytes *tb) 
+{
+	_polypress[tb->note_number] = tb->value;
+}
+
+void
+Channel::process_pitchbend (Parser & /*parser*/, pitchbend_t val) 
+{
+	_pitch_bend = val;
+}
+
+void
+Channel::process_reset (Parser & /*parser*/) 
+{
+	reset (0, 1);
+}
+
+/** Write a message to a channel.
+ * \return true if success
+ */
+bool
+Channel::channel_msg (byte id, byte val1, byte val2, timestamp_t timestamp)
+{
+	unsigned char msg[3];
+	int len = 0;
+
+	msg[0] = id | (_channel_number & 0xf);
+
+	switch (id) {
+	case off:
+		msg[1] = val1 & 0x7F;
+		msg[2] = val2 & 0x7F;
+		len = 3;
+		break;
+
+	case on:
+		msg[1] = val1 & 0x7F;
+		msg[2] = val2 & 0x7F;
+		len = 3;
+		break;
+
+	case MIDI::polypress:
+		msg[1] = val1 & 0x7F;
+		msg[2] = val2 & 0x7F;
+		len = 3;
+		break;
+
+	case controller:
+		msg[1] = val1 & 0x7F;
+		msg[2] = val2 & 0x7F;
+		len = 3;
+		break;
+
+	case MIDI::program:
+		msg[1] = val1 & 0x7F;
+		len = 2;
+		break;
+
+	case MIDI::chanpress:
+		msg[1] = val1 & 0x7F;
+		len = 2;
+		break;
+
+	case MIDI::pitchbend:
+		msg[1] = val1 & 0x7F;
+		msg[2] = val2 & 0x7F;
+		len = 3;
+		break;
+	}
+
+	return _port.midimsg (msg, len, timestamp);
+}