Added missing file.

git-svn-id: svn://localhost/ardour2/branches/3.0@3087 d708f5d6-7413-0410-9779-e7cbd77b26cf

diff --git a/libs/ardour/parameter.cc b/libs/ardour/parameter.cc
new file mode 100644 (file)
index 0000000..a908427
--- /dev/null
+++ b/libs/ardour/parameter.cc
@@ -0,0 +1,97 @@
+/*
+    Copyright (C) 2008 Paul Davis 
+    Written by Dave Robillard
+
+    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.
+*/
+
+#include <ardour/parameter.h>
+
+using namespace ARDOUR;
+       
+
+/** Construct an Parameter from a string returned from Parameter::to_string
+ * (AutomationList automation-id property)
+ */
+Parameter::Parameter(const std::string& str)
+       : _type(NullAutomation)
+       , _id(0)
+       , _channel(0)
+{
+       if (str == "gain") {
+               _type = GainAutomation;
+       } else if (str == "solo") {
+               _type = SoloAutomation;
+       } else if (str == "mute") {
+               _type = MuteAutomation;
+       } else if (str == "fadein") {
+               _type = FadeInAutomation;
+       } else if (str == "fadeout") {
+               _type = FadeOutAutomation;
+       } else if (str == "envelope") {
+               _type = EnvelopeAutomation;
+       } else if (str == "pan") {
+               _type = PanAutomation;
+       } else if (str.length() > 4 && str.substr(0, 4) == "pan-") {
+               _type = PanAutomation;
+               _id = atoi(str.c_str()+4);
+       } else if (str.length() > 10 && str.substr(0, 10) == "parameter-") {
+               _type = PluginAutomation;
+               _id = atoi(str.c_str()+10);
+       } else if (str.length() > 7 && str.substr(0, 7) == "midicc-") {
+               _type = MidiCCAutomation;
+               uint32_t channel = 0;
+               sscanf(str.c_str(), "midicc-%d-%d", &channel, &_id);
+               assert(channel < 16);
+               _channel = channel;
+               cout << "LOADED PARAMETER " << str << " chan " << _channel << " id " << _id << endl; 
+               //_id = atoi(str.c_str()+7);
+       } else {
+               PBD::warning << "Unknown Parameter '" << str << "'" << endmsg;
+       }
+}
+
+
+/** Unique string representation, suitable as an XML property value.
+ * e.g. <AutomationList automation-id="whatthisreturns">
+ */
+std::string
+Parameter::to_string() const
+{
+       if (_type == GainAutomation) {
+               return "gain";
+       } else if (_type == PanAutomation) {
+               return string_compose("pan-%1", _id);
+       } else if (_type == SoloAutomation) {
+               return "solo";
+       } else if (_type == MuteAutomation) {
+               return "mute";
+       } else if (_type == FadeInAutomation) {
+               return "fadein";
+       } else if (_type == FadeOutAutomation) {
+               return "fadeout";
+       } else if (_type == EnvelopeAutomation) {
+               return "envelope";
+       } else if (_type == PluginAutomation) {
+               return string_compose("parameter-%1", _id);
+       } else if (_type == MidiCCAutomation) {
+               return string_compose("midicc-%1-%2", _channel, _id);
+       } else {
+               assert(false);
+               PBD::warning << "Uninitialized Parameter to_string() called." << endmsg;
+               return "";
+       }
+}
+