JANITORIAL: Remove underscores from MidiParser variable names.

This commit is contained in:
Alyssa Milburn 2012-09-07 22:57:14 +02:00
parent 5684475169
commit f08978a075
9 changed files with 350 additions and 350 deletions

View file

@ -32,24 +32,24 @@
//////////////////////////////////////////////////
MidiParser::MidiParser() :
_hanging_notes_count(0),
_hangingNotesCount(0),
_driver(0),
_timer_rate(0x4A0000),
_timerRate(0x4A0000),
_ppqn(96),
_tempo(500000),
_psec_per_tick(5208), // 500000 / 96
_psecPerTick(5208), // 500000 / 96
_autoLoop(false),
_smartJump(false),
_centerPitchWheelOnUnload(false),
_sendSustainOffOnNotesOff(false),
_num_tracks(0),
_active_track(255),
_abort_parse(0) {
memset(_active_notes, 0, sizeof(_active_notes));
_next_event.start = NULL;
_next_event.delta = 0;
_next_event.event = 0;
_next_event.length = 0;
_numTracks(0),
_activeTrack(255),
_abortParse(0) {
memset(_activeNotes, 0, sizeof(_activeNotes));
_nextEvent.start = NULL;
_nextEvent.delta = 0;
_nextEvent.event = 0;
_nextEvent.length = 0;
}
void MidiParser::property(int prop, int value) {
@ -76,7 +76,7 @@ void MidiParser::sendToDriver(uint32 b) {
void MidiParser::setTempo(uint32 tempo) {
_tempo = tempo;
if (_ppqn)
_psec_per_tick = (tempo + (_ppqn >> 2)) / _ppqn;
_psecPerTick = (tempo + (_ppqn >> 2)) / _ppqn;
}
// This is the conventional (i.e. SMF) variable length quantity
@ -100,44 +100,44 @@ void MidiParser::activeNote(byte channel, byte note, bool active) {
return;
if (active)
_active_notes[note] |= (1 << channel);
_activeNotes[note] |= (1 << channel);
else
_active_notes[note] &= ~(1 << channel);
_activeNotes[note] &= ~(1 << channel);
// See if there are hanging notes that we can cancel
NoteTimer *ptr = _hanging_notes;
NoteTimer *ptr = _hangingNotes;
int i;
for (i = ARRAYSIZE(_hanging_notes); i; --i, ++ptr) {
if (ptr->channel == channel && ptr->note == note && ptr->time_left) {
ptr->time_left = 0;
--_hanging_notes_count;
for (i = ARRAYSIZE(_hangingNotes); i; --i, ++ptr) {
if (ptr->channel == channel && ptr->note == note && ptr->timeLeft) {
ptr->timeLeft = 0;
--_hangingNotesCount;
break;
}
}
}
void MidiParser::hangingNote(byte channel, byte note, uint32 time_left, bool recycle) {
void MidiParser::hangingNote(byte channel, byte note, uint32 timeLeft, bool recycle) {
NoteTimer *best = 0;
NoteTimer *ptr = _hanging_notes;
NoteTimer *ptr = _hangingNotes;
int i;
if (_hanging_notes_count >= ARRAYSIZE(_hanging_notes)) {
if (_hangingNotesCount >= ARRAYSIZE(_hangingNotes)) {
warning("MidiParser::hangingNote(): Exceeded polyphony");
return;
}
for (i = ARRAYSIZE(_hanging_notes); i; --i, ++ptr) {
for (i = ARRAYSIZE(_hangingNotes); i; --i, ++ptr) {
if (ptr->channel == channel && ptr->note == note) {
if (ptr->time_left && ptr->time_left < time_left && recycle)
if (ptr->timeLeft && ptr->timeLeft < timeLeft && recycle)
return;
best = ptr;
if (ptr->time_left) {
if (ptr->timeLeft) {
if (recycle)
sendToDriver(0x80 | channel, note, 0);
--_hanging_notes_count;
--_hangingNotesCount;
}
break;
} else if (!best && ptr->time_left == 0) {
} else if (!best && ptr->timeLeft == 0) {
best = ptr;
}
}
@ -146,14 +146,14 @@ void MidiParser::hangingNote(byte channel, byte note, uint32 time_left, bool rec
// length, if the note should be turned on and off in
// the same iteration. For now just set it to 1 and
// we'll turn it off in the next cycle.
if (!time_left || time_left & 0x80000000)
time_left = 1;
if (!timeLeft || timeLeft & 0x80000000)
timeLeft = 1;
if (best) {
best->channel = channel;
best->note = note;
best->time_left = time_left;
++_hanging_notes_count;
best->timeLeft = timeLeft;
++_hangingNotesCount;
} else {
// We checked this up top. We should never get here!
warning("MidiParser::hangingNote(): Internal error");
@ -161,45 +161,45 @@ void MidiParser::hangingNote(byte channel, byte note, uint32 time_left, bool rec
}
void MidiParser::onTimer() {
uint32 end_time;
uint32 event_time;
uint32 endTime;
uint32 eventTime;
if (!_position._play_pos || !_driver)
if (!_position._playPos || !_driver)
return;
_abort_parse = false;
end_time = _position._play_time + _timer_rate;
_abortParse = false;
endTime = _position._playTime + _timerRate;
// Scan our hanging notes for any
// that should be turned off.
if (_hanging_notes_count) {
NoteTimer *ptr = &_hanging_notes[0];
if (_hangingNotesCount) {
NoteTimer *ptr = &_hangingNotes[0];
int i;
for (i = ARRAYSIZE(_hanging_notes); i; --i, ++ptr) {
if (ptr->time_left) {
if (ptr->time_left <= _timer_rate) {
for (i = ARRAYSIZE(_hangingNotes); i; --i, ++ptr) {
if (ptr->timeLeft) {
if (ptr->timeLeft <= _timerRate) {
sendToDriver(0x80 | ptr->channel, ptr->note, 0);
ptr->time_left = 0;
--_hanging_notes_count;
ptr->timeLeft = 0;
--_hangingNotesCount;
} else {
ptr->time_left -= _timer_rate;
ptr->timeLeft -= _timerRate;
}
}
}
}
while (!_abort_parse) {
EventInfo &info = _next_event;
while (!_abortParse) {
EventInfo &info = _nextEvent;
event_time = _position._last_event_time + info.delta * _psec_per_tick;
if (event_time > end_time)
eventTime = _position._lastEventTime + info.delta * _psecPerTick;
if (eventTime > endTime)
break;
// Process the next info.
_position._last_event_tick += info.delta;
_position._lastEventTick += info.delta;
if (info.event < 0x80) {
warning("Bad command or running status %02X", info.event);
_position._play_pos = 0;
_position._playPos = 0;
return;
}
@ -217,7 +217,7 @@ void MidiParser::onTimer() {
// as well as sending it to the output device.
if (_autoLoop) {
jumpToTick(0);
parseNextEvent(_next_event);
parseNextEvent(_nextEvent);
} else {
stopPlaying();
_driver->metaEvent(info.ext.type, info.ext.data, (uint16)info.length);
@ -234,7 +234,7 @@ void MidiParser::onTimer() {
activeNote(info.channel(), info.basic.param1, false);
} else if (info.command() == 0x9) {
if (info.length > 0)
hangingNote(info.channel(), info.basic.param1, info.length * _psec_per_tick - (end_time - event_time));
hangingNote(info.channel(), info.basic.param1, info.length * _psecPerTick - (endTime - eventTime));
else
activeNote(info.channel(), info.basic.param1, true);
}
@ -242,15 +242,15 @@ void MidiParser::onTimer() {
}
if (!_abort_parse) {
_position._last_event_time = event_time;
parseNextEvent(_next_event);
if (!_abortParse) {
_position._lastEventTime = eventTime;
parseNextEvent(_nextEvent);
}
}
if (!_abort_parse) {
_position._play_time = end_time;
_position._play_tick = (_position._play_time - _position._last_event_time) / _psec_per_tick + _position._last_event_tick;
if (!_abortParse) {
_position._playTime = endTime;
_position._playTick = (_position._playTime - _position._lastEventTime) / _psecPerTick + _position._lastEventTick;
}
}
@ -263,20 +263,20 @@ void MidiParser::allNotesOff() {
// Turn off all active notes
for (i = 0; i < 128; ++i) {
for (j = 0; j < 16; ++j) {
if (_active_notes[i] & (1 << j)) {
if (_activeNotes[i] & (1 << j)) {
sendToDriver(0x80 | j, i, 0);
}
}
}
// Turn off all hanging notes
for (i = 0; i < ARRAYSIZE(_hanging_notes); i++) {
if (_hanging_notes[i].time_left) {
sendToDriver(0x80 | _hanging_notes[i].channel, _hanging_notes[i].note, 0);
_hanging_notes[i].time_left = 0;
for (i = 0; i < ARRAYSIZE(_hangingNotes); i++) {
if (_hangingNotes[i].timeLeft) {
sendToDriver(0x80 | _hangingNotes[i].channel, _hangingNotes[i].note, 0);
_hangingNotes[i].timeLeft = 0;
}
}
_hanging_notes_count = 0;
_hangingNotesCount = 0;
// To be sure, send an "All Note Off" event (but not all MIDI devices
// support this...).
@ -287,7 +287,7 @@ void MidiParser::allNotesOff() {
sendToDriver(0xB0 | i, 0x40, 0); // Also send a sustain off event (bug #3116608)
}
memset(_active_notes, 0, sizeof(_active_notes));
memset(_activeNotes, 0, sizeof(_activeNotes));
}
void MidiParser::resetTracking() {
@ -295,7 +295,7 @@ void MidiParser::resetTracking() {
}
bool MidiParser::setTrack(int track) {
if (track < 0 || track >= _num_tracks)
if (track < 0 || track >= _numTracks)
return false;
// We allow restarting the track via setTrack when
// it isn't playing anymore. This allows us to reuse
@ -308,7 +308,7 @@ bool MidiParser::setTrack(int track) {
// TODO: Check if any engine has problem with this
// handling, if so we need to find a better way to handle
// track restarts. (KYRA relies on this working)
else if (track == _active_track && isPlaying())
else if (track == _activeTrack && isPlaying())
return true;
if (_smartJump)
@ -317,10 +317,10 @@ bool MidiParser::setTrack(int track) {
allNotesOff();
resetTracking();
memset(_active_notes, 0, sizeof(_active_notes));
_active_track = track;
_position._play_pos = _tracks[track];
parseNextEvent(_next_event);
memset(_activeNotes, 0, sizeof(_activeNotes));
_activeTrack = track;
_position._playPos = _tracks[track];
parseNextEvent(_nextEvent);
return true;
}
@ -332,29 +332,29 @@ void MidiParser::stopPlaying() {
void MidiParser::hangAllActiveNotes() {
// Search for note off events until we have
// accounted for every active note.
uint16 temp_active[128];
memcpy(temp_active, _active_notes, sizeof (temp_active));
uint16 tempActive[128];
memcpy(tempActive, _activeNotes, sizeof (tempActive));
uint32 advance_tick = _position._last_event_tick;
uint32 advanceTick = _position._lastEventTick;
while (true) {
int i;
for (i = 0; i < 128; ++i)
if (temp_active[i] != 0)
if (tempActive[i] != 0)
break;
if (i == 128)
break;
parseNextEvent(_next_event);
advance_tick += _next_event.delta;
if (_next_event.command() == 0x8) {
if (temp_active[_next_event.basic.param1] & (1 << _next_event.channel())) {
hangingNote(_next_event.channel(), _next_event.basic.param1, (advance_tick - _position._last_event_tick) * _psec_per_tick, false);
temp_active[_next_event.basic.param1] &= ~(1 << _next_event.channel());
parseNextEvent(_nextEvent);
advanceTick += _nextEvent.delta;
if (_nextEvent.command() == 0x8) {
if (tempActive[_nextEvent.basic.param1] & (1 << _nextEvent.channel())) {
hangingNote(_nextEvent.channel(), _nextEvent.basic.param1, (advanceTick - _position._lastEventTick) * _psecPerTick, false);
tempActive[_nextEvent.basic.param1] &= ~(1 << _nextEvent.channel());
}
} else if (_next_event.event == 0xFF && _next_event.ext.type == 0x2F) {
} else if (_nextEvent.event == 0xFF && _nextEvent.ext.type == 0x2F) {
// warning("MidiParser::hangAllActiveNotes(): Hit End of Track with active notes left");
for (i = 0; i < 128; ++i) {
for (int j = 0; j < 16; ++j) {
if (temp_active[i] & (1 << j)) {
if (tempActive[i] & (1 << j)) {
activeNote(j, i, false);
sendToDriver(0x80 | j, i, 0);
}
@ -366,33 +366,33 @@ void MidiParser::hangAllActiveNotes() {
}
bool MidiParser::jumpToTick(uint32 tick, bool fireEvents, bool stopNotes, bool dontSendNoteOn) {
if (_active_track >= _num_tracks)
if (_activeTrack >= _numTracks)
return false;
Tracker currentPos(_position);
EventInfo currentEvent(_next_event);
EventInfo currentEvent(_nextEvent);
resetTracking();
_position._play_pos = _tracks[_active_track];
parseNextEvent(_next_event);
_position._playPos = _tracks[_activeTrack];
parseNextEvent(_nextEvent);
if (tick > 0) {
while (true) {
EventInfo &info = _next_event;
if (_position._last_event_tick + info.delta >= tick) {
_position._play_time += (tick - _position._last_event_tick) * _psec_per_tick;
_position._play_tick = tick;
EventInfo &info = _nextEvent;
if (_position._lastEventTick + info.delta >= tick) {
_position._playTime += (tick - _position._lastEventTick) * _psecPerTick;
_position._playTick = tick;
break;
}
_position._last_event_tick += info.delta;
_position._last_event_time += info.delta * _psec_per_tick;
_position._play_tick = _position._last_event_tick;
_position._play_time = _position._last_event_time;
_position._lastEventTick += info.delta;
_position._lastEventTime += info.delta * _psecPerTick;
_position._playTick = _position._lastEventTick;
_position._playTime = _position._lastEventTime;
if (info.event == 0xFF) {
if (info.ext.type == 0x2F) { // End of track
_position = currentPos;
_next_event = currentEvent;
_nextEvent = currentEvent;
return false;
} else {
if (info.ext.type == 0x51 && info.length >= 3) // Tempo
@ -419,36 +419,36 @@ bool MidiParser::jumpToTick(uint32 tick, bool fireEvents, bool stopNotes, bool d
}
}
parseNextEvent(_next_event);
parseNextEvent(_nextEvent);
}
}
if (stopNotes) {
if (!_smartJump || !currentPos._play_pos) {
if (!_smartJump || !currentPos._playPos) {
allNotesOff();
} else {
EventInfo targetEvent(_next_event);
EventInfo targetEvent(_nextEvent);
Tracker targetPosition(_position);
_position = currentPos;
_next_event = currentEvent;
_nextEvent = currentEvent;
hangAllActiveNotes();
_next_event = targetEvent;
_nextEvent = targetEvent;
_position = targetPosition;
}
}
_abort_parse = true;
_abortParse = true;
return true;
}
void MidiParser::unloadMusic() {
resetTracking();
allNotesOff();
_num_tracks = 0;
_active_track = 255;
_abort_parse = true;
_numTracks = 0;
_activeTrack = 255;
_abortParse = true;
if (_centerPitchWheelOnUnload) {
// Center the pitch wheels in preparation for the next piece of