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Diffstat (limited to 'src/midiio/src/Voice.cpp')
| -rw-r--r-- | src/midiio/src/Voice.cpp | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/src/midiio/src/Voice.cpp b/src/midiio/src/Voice.cpp new file mode 100644 index 0000000..ed05bce --- /dev/null +++ b/src/midiio/src/Voice.cpp @@ -0,0 +1,334 @@ +// +// Programmer: Craig Stuart Sapp <craig@ccrma.stanford.edu> +// Creation Date: Sun Oct 11 18:39:14 PDT 1998 +// Last Modified: Sun Oct 11 18:39:18 PDT 1998 +// Filename: ...sig/maint/code/control/Voice/Voice.cpp +// Web Address: http://www-ccrma.stanford.edu/~craig/improv/src/Voice.cpp +// Syntax: C++ +// +// Description: The Voice class is a MIDI output class which keeps +// track of the last note played in to it. If the last +// note was not turned off when a new note is played, +// then the old note will be turned off before the +// new note is played. +// + +#include "Voice.h" + + +// declare static variables: +SigTimer Voice::timer; + +////////////////////////////// +// +// Voice::Voice +// + +Voice::Voice(int aChannel) { + chan = oldChan = aChannel; + vel = oldVel = key = oldKey = 0; +} + + +Voice::Voice(const Voice& aVoice) { + chan = aVoice.chan; + vel = aVoice.vel; + key = aVoice.key; + oldChan = 0; + oldVel = 0; + oldKey = 0; +} + + +Voice::Voice(void) { + chan = oldChan = key = oldKey = vel = oldVel = 0; +} + + +////////////////////////////// +// +// Voice::~Voice +// + +Voice::~Voice() { + off(); +} + + + +////////////////////////////// +// +// Voice::cont -- use default channel if none specified for +// the continuous controller message. +// + +void Voice::cont(int controller, int data) { + MidiOutput::cont(getChannel(), controller, data); +} + + + +////////////////////////////// +// +// Voice::getChan -- returns the channel of the voice. +// Synonym for getChannel. +// + +int Voice::getChan(void) const { + return chan; +} + + + +////////////////////////////// +// +// Voice::getChannel -- returs the channel of the voice. +// + +int Voice::getChannel(void) const { + return chan; +} + + + +////////////////////////////// +// +// Voice::getKey -- returns the current MIDI key number of the voice. +// Synonym for getKeynum. +// + +int Voice::getKey(void) const { + return key; +} + + + +////////////////////////////// +// +// Voice::getKeynum -- returns the current MIDI key number of the voice. +// + +int Voice::getKeynum(void) const { + return key; +} + + +////////////////////////////// +// +// Voice::getOffTime -- returns the last note off message sent +// out of the voice object +// + +int Voice::getOffTime(void) const { + return offTime; +} + + + +////////////////////////////// +// +// Voice::getOnTime -- returns the last note on message sent +// out of the voice object. +// + +int Voice::getOnTime(void) const { + return onTime; +} + + + +////////////////////////////// +// +// Voice::getVel -- returns the current velocity of the MIDI key. +// Synonym for getVelocity. +// + +int Voice::getVel(void) const { + return vel; +} + + + +////////////////////////////// +// +// Voice::getVelocity -- returns the current velocity of the MIDI key. +// + +int Voice::getVelocity(void) const { + return vel; +} + + + +////////////////////////////// +// +// Voice::off +// + +void Voice::off(void) { + if (status() != 0) { + offTime = timer.getTime(); + MidiOutput::play(oldChan, oldKey, 0); + oldVel = 0; + } +} + + + +////////////////////////////// +// +// Voice::pc -- use default channel if none is specified +// + +void Voice::pc(int aTimbre) { + MidiOutput::pc(getChannel(), aTimbre); +} + + + +////////////////////////////// +// +// Voice::play +// + +void Voice::play(int aChannel, int aKeyno, int aVelocity) { + off(); + MidiOutput::play(aChannel, aKeyno, aVelocity); + oldChan = aChannel; + oldKey = aKeyno; + oldVel = aVelocity; + setChannel(aChannel); + setKeynum(aKeyno); + setVelocity(aVelocity); + + if (aVelocity != 0) { + onTime = timer.getTime(); + } else { + offTime = timer.getTime(); + } +} + + +void Voice::play(int aKeyno, int aVelocity) { + off(); + MidiOutput::play(getChannel(), aKeyno, aVelocity); + oldChan = getChannel(); + oldKey = aKeyno; + oldVel = aVelocity; + setKeynum(aKeyno); + setVelocity(aVelocity); + + if (aVelocity != 0) { + onTime = timer.getTime(); + } else { + offTime = timer.getTime(); + } +} + + +void Voice::play(void) { + off(); + MidiOutput::play(getChannel(), getKey(), getVel()); + oldChan = getChannel(); + oldKey = getKey(); + oldVel = getVel(); + + if (getVel() != 0) { + onTime = timer.getTime(); + } else { + offTime = timer.getTime(); + } +} + + + +////////////////////////////// +// +// Voice::setChan -- set the MIDI channel. Synonym for setChannel. +// + +void Voice::setChan(int aChannel) { + chan = aChannel; +} + + + +////////////////////////////// +// +// Voice::setChannel -- set the MIDI channel of the voice. +// + +void Voice::setChannel(int aChannel) { + chan = aChannel; +} + + + +////////////////////////////// +// +// Voice::setKey -- set the keynumber of the voice +// Synonym for setKeyno. +// + +void Voice::setKey(int aKeynum) { + key = aKeynum; +} + + + +////////////////////////////// +// +// Voice::setKeynum -- set the keynumber of the voice +// + +void Voice::setKeynum(int aKeynum) { + key = aKeynum; +} + + + +////////////////////////////// +// +// Voice::setVel -- set the MIDI velocity of the voice. +// Synonym for setVelocity. +// + +void Voice::setVel(int aVelocity) { + vel = aVelocity; +} + + + +////////////////////////////// +// +// Voice::setVelocity +// + +void Voice::setVelocity(int aVelocity) { + vel = aVelocity; +} + + + +////////////////////////////// +// +// Voice::status -- returns zero if off or positive if on. +// + +int Voice::status(void) const { + return oldVel; +} + + + +////////////////////////////// +// +// Voice::sustain -- uses default channel if none specified. +// + +void Voice::sustain(int aStatus) { + MidiOutput::sustain(getChannel(), aStatus); +} + + +// md5sum: d02ca41ae3b4e07efe7fedc720e52573 - Voice.cpp =css= 20030102 |