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-rw-r--r--src/base/MidiTypes.cpp320
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diff --git a/src/base/MidiTypes.cpp b/src/base/MidiTypes.cpp
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+// -*- c-basic-offset: 4 -*-
+
+
+/*
+ Rosegarden
+ A sequencer and musical notation editor.
+
+ This program is Copyright 2000-2008
+ Guillaume Laurent <[email protected]>,
+ Chris Cannam <[email protected]>,
+ Richard Bown <[email protected]>
+
+ The moral right of the authors to claim authorship of this work
+ has been asserted.
+
+ 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. See the file
+ COPYING included with this distribution for more information.
+*/
+
+#include "MidiTypes.h"
+
+namespace Rosegarden
+{
+
+static MidiByte getByte(const Event &e, const PropertyName &name) {
+ long value = -1;
+ try {
+ value = e.get<Int>(name);
+ } catch (...) { }
+ if (value < 0 || value > 255) throw MIDIValueOutOfRange(name.getName());
+ return MidiByte(value);
+}
+
+//////////////////////////////////////////////////////////////////////
+// PitchBend
+//////////////////////////////////////////////////////////////////////
+
+const std::string PitchBend::EventType = "pitchbend";
+const int PitchBend::EventSubOrdering = -5;
+
+const PropertyName PitchBend::MSB = "msb";
+const PropertyName PitchBend::LSB = "lsb";
+
+PitchBend::PitchBend(Rosegarden::MidiByte msb,
+ Rosegarden::MidiByte lsb) :
+ m_msb(msb),
+ m_lsb(lsb)
+{
+}
+
+PitchBend::PitchBend(const Event &e)
+{
+ if (e.getType() != EventType) {
+ throw Event::BadType("PitchBend model event", EventType, e.getType());
+ }
+ m_msb = getByte(e, MSB);
+ m_lsb = getByte(e, LSB);
+}
+
+PitchBend::~PitchBend()
+{
+}
+
+Event*
+PitchBend::getAsEvent(timeT absoluteTime) const
+{
+ Event *e = new Event(EventType, absoluteTime, 0, EventSubOrdering);
+ e->set<Int>(MSB, (long)m_msb);
+ e->set<Int>(LSB, (long)m_lsb);
+ return e;
+}
+
+
+//////////////////////////////////////////////////////////////////////
+// Controller
+//////////////////////////////////////////////////////////////////////
+
+const std::string Controller::EventType = "controller";
+const int Controller::EventSubOrdering = -5;
+
+const PropertyName Controller::NUMBER = "number";
+const PropertyName Controller::VALUE = "value";
+
+Controller::Controller(Rosegarden::MidiByte number,
+ Rosegarden::MidiByte value):
+ m_number(number),
+ m_value(value)
+{
+}
+
+Controller::Controller(const Event &e)
+{
+ if (e.getType() != EventType) {
+ throw Event::BadType("Controller model event", EventType, e.getType());
+ }
+ m_number = getByte(e, NUMBER);
+ m_value = getByte(e, VALUE);
+}
+
+Controller::~Controller()
+{
+}
+
+Event*
+Controller::getAsEvent(timeT absoluteTime) const
+{
+ Event *e = new Event(EventType, absoluteTime, 0, EventSubOrdering);
+ e->set<Int>(NUMBER, (long)m_number);
+ e->set<Int>(VALUE, (long)m_value);
+ return e;
+}
+
+
+//////////////////////////////////////////////////////////////////////
+// Key Pressure
+//////////////////////////////////////////////////////////////////////
+
+const std::string KeyPressure::EventType = "keypressure";
+const int KeyPressure::EventSubOrdering = -5;
+
+const PropertyName KeyPressure::PITCH = "pitch";
+const PropertyName KeyPressure::PRESSURE = "pressure";
+
+KeyPressure::KeyPressure(Rosegarden::MidiByte pitch,
+ Rosegarden::MidiByte pressure):
+ m_pitch(pitch),
+ m_pressure(pressure)
+{
+}
+
+KeyPressure::KeyPressure(const Event &e)
+{
+ if (e.getType() != EventType) {
+ throw Event::BadType("KeyPressure model event", EventType, e.getType());
+ }
+ m_pitch = getByte(e, PITCH);
+ m_pressure = getByte(e, PRESSURE);
+}
+
+KeyPressure::~KeyPressure()
+{
+}
+
+Event*
+KeyPressure::getAsEvent(timeT absoluteTime) const
+{
+ Event *e = new Event(EventType, absoluteTime, 0, EventSubOrdering);
+ e->set<Int>(PITCH, (long)m_pitch);
+ e->set<Int>(PRESSURE, (long)m_pressure);
+ return e;
+}
+
+
+//////////////////////////////////////////////////////////////////////
+// Channel Pressure
+//////////////////////////////////////////////////////////////////////
+
+const std::string ChannelPressure::EventType = "channelpressure";
+const int ChannelPressure::EventSubOrdering = -5;
+
+const PropertyName ChannelPressure::PRESSURE = "pressure";
+
+ChannelPressure::ChannelPressure(Rosegarden::MidiByte pressure):
+ m_pressure(pressure)
+{
+}
+
+ChannelPressure::ChannelPressure(const Event &e)
+{
+ if (e.getType() != EventType) {
+ throw Event::BadType("ChannelPressure model event", EventType, e.getType());
+ }
+ m_pressure = getByte(e, PRESSURE);
+}
+
+ChannelPressure::~ChannelPressure()
+{
+}
+
+Event*
+ChannelPressure::getAsEvent(timeT absoluteTime) const
+{
+ Event *e = new Event(EventType, absoluteTime, 0, EventSubOrdering);
+ e->set<Int>(PRESSURE, (long)m_pressure);
+ return e;
+}
+
+
+//////////////////////////////////////////////////////////////////////
+// ProgramChange
+//////////////////////////////////////////////////////////////////////
+
+const std::string ProgramChange::EventType = "programchange";
+const int ProgramChange::EventSubOrdering = -5;
+
+const PropertyName ProgramChange::PROGRAM = "program";
+
+ProgramChange::ProgramChange(Rosegarden::MidiByte program):
+ m_program(program)
+{
+}
+
+ProgramChange::ProgramChange(const Event &e)
+{
+ if (e.getType() != EventType) {
+ throw Event::BadType("ProgramChange model event", EventType, e.getType());
+ }
+ m_program = getByte(e, PROGRAM);
+}
+
+ProgramChange::~ProgramChange()
+{
+}
+
+Event*
+ProgramChange::getAsEvent(timeT absoluteTime) const
+{
+ Event *e = new Event(EventType, absoluteTime, 0, EventSubOrdering);
+ e->set<Int>(PROGRAM, (long)m_program);
+ return e;
+}
+
+
+//////////////////////////////////////////////////////////////////////
+// SystemExclusive
+//////////////////////////////////////////////////////////////////////
+
+const std::string SystemExclusive::EventType = "systemexclusive";
+const int SystemExclusive::EventSubOrdering = -5;
+
+const PropertyName SystemExclusive::DATABLOCK = "datablock";
+
+SystemExclusive::SystemExclusive(std::string rawData) :
+ m_rawData(rawData)
+{
+}
+
+SystemExclusive::SystemExclusive(const Event &e)
+{
+ if (e.getType() != EventType) {
+ throw Event::BadType("SystemExclusive model event", EventType, e.getType());
+ }
+ std::string datablock;
+ e.get<String>(DATABLOCK, datablock);
+ m_rawData = toRaw(datablock);
+}
+
+SystemExclusive::~SystemExclusive()
+{
+}
+
+Event*
+SystemExclusive::getAsEvent(timeT absoluteTime) const
+{
+ Event *e = new Event(EventType, absoluteTime, 0, EventSubOrdering);
+ std::string hex(toHex(m_rawData));
+ e->set<String>(DATABLOCK, hex);
+ return e;
+}
+
+std::string
+SystemExclusive::toHex(std::string r)
+{
+ static char hexchars[] = "0123456789ABCDEF";
+ std::string h;
+ for (unsigned int i = 0; i < r.size(); ++i) {
+ if (i > 0) h += ' ';
+ unsigned char b = (unsigned char)r[i];
+ h += hexchars[(b / 16) % 16];
+ h += hexchars[b % 16];
+ }
+ return h;
+}
+
+std::string
+SystemExclusive::toRaw(std::string rh)
+{
+ std::string r;
+ std::string h;
+
+ // remove whitespace
+ for (unsigned int i = 0; i < rh.size(); ++i) {
+ if (!isspace(rh[i])) h += rh[i];
+ }
+
+ for (unsigned int i = 0; i < h.size()/2; ++i) {
+ unsigned char b = toRawNibble(h[2*i]) * 16 + toRawNibble(h[2*i+1]);
+ r += b;
+ }
+
+ return r;
+}
+
+unsigned char
+SystemExclusive::toRawNibble(char c)
+{
+ if (islower(c)) c = toupper(c);
+ if (isdigit(c)) return c - '0';
+ if (c >= 'A' && c <= 'F') return c - 'A' + 10;
+ throw BadEncoding();
+}
+
+bool
+SystemExclusive::isHex(std::string rh)
+{
+ // arf
+ try {
+ std::string r = toRaw(rh);
+ } catch (BadEncoding) {
+ return false;
+ }
+ return true;
+}
+
+
+}
+
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