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Diffstat (limited to 'libs/ardour/parameter.cc')
| -rw-r--r-- | libs/ardour/parameter.cc | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/libs/ardour/parameter.cc b/libs/ardour/parameter.cc new file mode 100644 index 0000000000..1b94e5dc4d --- /dev/null +++ b/libs/ardour/parameter.cc @@ -0,0 +1,121 @@ +/* + 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; + } else if (str.length() > 16 && str.substr(0, 16) == "midi-pgm-change-") { + _type = MidiPgmChangeAutomation; + uint32_t channel = 0; + sscanf(str.c_str(), "midi-pgm-change-%d", &channel); + assert(channel < 16); + _id = 0; + _channel = channel; + } else if (str.length() > 18 && str.substr(0, 18) == "midi-pitch-bender-") { + _type = MidiPitchBenderAutomation; + uint32_t channel = 0; + sscanf(str.c_str(), "midi-pitch-bender-%d", &channel); + assert(channel < 16); + _id = 0; + _channel = channel; + } else if (str.length() > 24 && str.substr(0, 24) == "midi-channel-aftertouch-") { + _type = MidiChannelAftertouchAutomation; + uint32_t channel = 0; + sscanf(str.c_str(), "midi-channel-aftertouch-%d", &channel); + assert(channel < 16); + _id = 0; + _channel = channel; + } 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", int(_channel), _id); + } else if (_type == MidiPgmChangeAutomation) { + return string_compose("midi-pgm-change-%1", int(_channel)); + } else if (_type == MidiPitchBenderAutomation) { + return string_compose("midi-pitch-bender-%1", int(_channel)); + } else if (_type == MidiChannelAftertouchAutomation) { + return string_compose("midi-channel-aftertouch-%1", int(_channel)); + } else { + PBD::warning << "Uninitialized Parameter to_string() called." << endmsg; + return ""; + } +} + |