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VocalEasel/mma/MMA/pat.py
Matthias Neeracher d599bfbe4e Added MMA
2006-11-10 08:07:56 +00:00

2115 lines
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Python
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# pat.py
"""
This module is an integeral part of the program
MMA - Musical Midi Accompaniment.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Bob van der Poel <bvdp@xplornet.com>
"""
import copy
import random
import math
import gbl
from MMA.common import *
from MMA.notelen import getNoteLen
import MMA.translate
import MMA.midi
import MMA.midiC
import MMA.alloc
import MMA.mdefine
import MMA.volume
class Voicing:
def __init__(self):
self.mode = None
self.range = 12
self.center = 4
self.random = 0
self.percent = 0
self.bcount = 0
self.dir = 0
def seqBump(l):
""" Expand/contract an existing sequence list to the current seqSize."""
while len(l) < gbl.seqSize:
l += l
return l[:gbl.seqSize]
pats = {} # Storage for all pattern defines
class PC:
""" Pattern class.
Define classes for processing drum, chord, arp, and chord track.
These are mostly the same, so we create a base class and derive
the others from it.
We have a class for each track type. They are all derived
from the base 'Pats' class. These classes do special processing
like parsing a pattern tuple and creating a chord.
No functions ever link to the code in this module, it is
only included into the real track class modules.
"""
def __init__(self, nm):
self.inited = 0
self.name = nm
self.channel = 0
self.grooves = {}
self.saveVols = {}
self.ssvoice = -1 # Track the voice set for the track
self.smidiVoice = () # Track MIDIVoice cmds to avoid dups
self.midiSent = 0 # if set, MIDICLEAR invoked.
""" Midi commands like Pan, Glis, etc. are stacked until musical
data is actually written to the track. Each item in
the midiPending list is a name (PAN, GLIS, etc), timeoffset, value.
"""
self.midiPending = []
self.riff = []
self.disable = 0
if self.vtype == 'DRUM':
self.setChannel('10')
if not gbl.mtrks[self.channel].trackname:
gbl.mtrks[self.channel].addTrkName(0, 'Drum')
self.clearSequence()
self.inited = 1
##########################################
## These are called from process() to set options
def setCompress(self, ln):
""" set/unset the compress flag. """
ln=self.lnExpand(ln, 'Compress')
tmp = []
for n in ln:
n = stoi(n, "Argument for %s Compress must be a value." \
% self.name)
if n < 0 or n > 5:
error("Compress %s out-of-range; must be 0 to 5." % n)
if n and self.vtype=='CHORD' and self.voicing.mode:
vwarn = 1
tmp.append(n)
self.compress = seqBump(tmp)
if self.vtype not in ("CHORD", "ARPEGGIO"):
warning ("Compress is ignored in %s tracks." % self.vtype)
if gbl.debug:
print "Set %s Compress to " % self.name,
printList(ln)
def setRange(self, ln):
""" set range. """
ln=self.lnExpand(ln, 'Range')
tmp = []
for n in ln:
n = stof(n)
if n == 0:
n=1
if n <= 0 or n >= 6:
error("Range %s out-of-range; must be between 0..6, not %s." % (self.name, n))
tmp.append(n)
self.chordRange = seqBump(tmp)
if self.vtype not in ("SCALE", "ARPEGGIO"):
warning ("Range has no effect in '%s' tracks." % self.vtype)
if gbl.debug:
print "Set %s Range to " % self.name,
printList(ln)
def setVoicing(self, ln):
""" set the Voicing Mode options. """
if self.vtype != "CHORD":
error("Voicing is not supported for %s tracks." % self.vtype)
for l in ln:
try:
mode, val = l.upper().split('=')
except:
error("Each Voicing option must contain a '=', not '%s'" % l)
if mode == 'MODE':
valid= ("-", "OPTIMAL", "NONE", "ROOT", "COMPRESSED", "INVERT")
if not val in valid:
error("Valid Voicing Modes are: %s" % " ".join(valid))
if val in ('-', 'NONE',"ROOT"):
val = None
if val and (max(self.invert) + max(self.compress)):
warning("Setting both VoicingMode and Invert/Compress "
"is not a good idea")
""" When we set voicing mode we always reset this. This forces
the voicingmode code to restart its rotations.
"""
self.lastChord = []
self.voicing.mode = val
elif mode == 'RANGE':
val = stoi(val, "Argument for %s Voicing Range "
"must be a value." % self.name)
if val < 1 or val > 30:
error("Voicing Range '%s' out-of-range; "
"must be 1 to 30." % val)
self.voicing.range = val
elif mode == 'CENTER':
val = stoi(val, "Argument for %s Voicing Center "
"must be a value." % self.name)
if val < 1 or val > 12:
error("Voicing Center %s out-of-range; "
"must be 1 to 12." % val)
self.voicing.center = val
elif mode == 'RMOVE':
val = stoi(val, "Argument for %s Voicing Random "
"must be a value." % self.name)
if val < 0 or val > 100:
error("Voicing Random value must be 0 to 100 "
"not %s" % val)
self.voicing.random = val
self.voicing.bcount = 0
elif mode == 'MOVE':
val = stoi(val, "Argument for %s Voicing Move "
"must be a value." % self.name)
if val < 0 :
error("Voicing Move (bar count) must >= 0, not %s" % val)
if val > 20:
warning("Voicing Move (bar count) %s is quite large" % val)
self.voicing.bcount = val
self.voicing.random = 0
elif mode == 'DIR':
val = stoi(val, "Argument for %s Voicing Dir (move direction) "
"must be a value." % self.name)
if not val in (1,0,-1):
error("Voicing Move Dir -1, 0 or 1, not %s" % val)
self.voicing.dir = val
if gbl.debug:
v=self.voicing
print "Set %s Voicing MODE=%s" % (self.name, v.mode),
print "RANGE=%s CENTER=%s" % (v.range, v.center),
print "RMOVE=%s MOVE=%s DIR=%s" % (v.random, v.bcount, v.dir)
def setForceOut(self):
""" Set the force output flag. This does 2 things: assigns
a midi channel and sends the voicing setting to the track.
"""
if not self.channel:
self.setChannel()
self.clearPending()
self.insertVoice()
def setDupRoot(self, ln):
""" set/unset root duplication. """
if self.vtype != 'CHORD':
error("RootDup can only be applied to CHORD tracks.")
ln=self.lnExpand(ln, 'DupRoot')
tmp = []
for n in ln:
n = stoi(n, "Argument for %s DupRoot must be a value." % self.name)
if n < -9 or n > 9:
error("DupRoot %s out-of-range; must be -9 to 9." % n)
tmp.append( n * 12 )
self.dupRoot = seqBump(tmp)
if gbl.debug:
print "Set %s DupRoot to " % self.name,
printList(ln)
def setChordLimit(self, ln):
""" set/unset the chordLimit flag. """
n = stoi(ln, "Argument for %s ChordLimit must be a value." % self.name)
if n < 0 or n > 8:
error("ChordLimit %s out-of-range; must be 0 to 8." % n)
self.chordLimit = n
if self.vtype not in ("CHORD", "ARPEGGIO"):
warning ("Limit is ignored in %s tracks." % self.vtype)
if gbl.debug:
print "Set %s ChordLimit to %s" % (self.name, n)
def setChannel(self, ln=None):
""" Set the midi-channel number for a track.
- Checks for channel duplication
- Auto assigns channel number if ln==''
If no track number was passed, then we try to
auto-alloc a track. First, we see if a preference
was set via MidiChPref. If these is no preference,
or if the preferred channel is already allocated
we go though the list, top to bottom, to find
an available channel.
"""
if not ln:
try:
c=gbl.midiChPrefs[self.name]
except:
c=0
if not c or gbl.midiAvail[c]:
c=-1
for a in range(16, 0, -1):
if a!=10 and not gbl.midiAvail[a]:
c=a
break
if c < 0:
error("No MIDI channel is available for %s.\n"
"Try CHShare or Delete unused tracks." % self.name)
else:
c = stoi(ln, "%s Channel assignment expecting Value, not %s" %
(self.name, ln))
if c<0 or c>16:
error("%s Channel must be 0..16, not %s" % (self.name, ln))
if c == 10:
if self.vtype == 'DRUM':
pass
elif self.vtype in ('SOLO', 'MELODY') and self.drumType:
pass
else:
error("Channel 10 is reserved for DRUM, not %s." % self.name)
if self.vtype == 'DRUM' and c != 10:
error("DRUM tracks must be assigned to channel 10.")
# Disable the channel.
if c == 0:
if gbl.midiAvail[self.channel]:
gbl.midiAvail[self.channel] -= 1
s="%s channel disabled." % self.name
if gbl.midiAvail[self.channel]:
s+=" Other tracks are still using channel %s." % self.channel
else:
s+=" Channel %s available." % self.channel
warning(s)
self.channel = 0
self.disable = 1
return
if c != 10:
for a, tr in gbl.tnames.items():
if a == self.name: # okay to reassign same number
continue
if tr.channel == c:
error("Channel %s is assigned to %s." % (c, tr.name ) )
self.channel = c
if not self.name in gbl.midiAssigns[c]:
gbl.midiAssigns[c].append(self.name)
gbl.midiAvail[c]+=1
if not c in gbl.mtrks:
gbl.mtrks[c]=MMA.midi.Mtrk(c)
offset=0
if gbl.debug:
print "MIDI channel %s buffer created." % c
else:
offset = gbl.tickOffset
if c != 10:
f=0
for a, i in enumerate(self.midiPending):
if i[0]=='TNAME':
f=1
if not f:
self.midiPending.append(('TNAME', 0, self.name.title() ))
if gbl.debug:
print "MIDI Channel %s assigned to %s." % (self.channel, self.name)
def setChShare(self, ln):
""" Share midi-channel setting. """
if self.channel: # If channel already assigned, ignore
warning("Channel for %s has previously been assigned "
"(can't ChShare)." % self.name)
return
""" Get name of track to share with and make sure it exists.
If not, trackAlloc() will create the track. Do some
sanity checks and ensure that the shared track has
a channel assigned.
"""
sc = ln.upper()
MMA.alloc.trackAlloc(sc, 1)
if not sc in gbl.tnames:
error("Channel '%s' does not exist. No such name." % sc)
if sc == self.name:
error("%s can't share MIDI channel with itself." % sc)
if not gbl.tnames[sc].channel:
gbl.tnames[sc].setChannel()
schannel = gbl.tnames[sc].channel
if not schannel:
error("CHShare attempted to assign MIDI channel for %s, but "
"none avaiable." % self.name)
""" Actually do the assignment. Also copy voice/octave from
base track to this one ... it's going to use that voice anyway?
"""
self.channel = schannel
self.voice = gbl.tnames[sc].voice[:]
self.octave = gbl.tnames[sc].octave[:]
# Update the avail. lists
gbl.midiAssigns[self.channel].append(self.name)
gbl.midiAvail[self.channel]+=1
def setChannelVolume(self, v):
""" LowLevel MIDI command. Set Channel Voice. """
self.midiPending.append(( "CVOLUME", gbl.tickOffset, v) )
if gbl.debug:
print "Set %s MIDIChannelVolume to %s" % (self.name, v)
def setTname(self, n):
""" Set the track name.
This is stacked and only gets output if track generates MIDI.
It is a handy way to override MMA's track naming.
"""
self.midiPending.append(('TNAME', 0, n ))
if gbl.debug:
print "Set %s track name for MIDI to %s" % (self.name, n)
def setPan(self, ln):
""" Set MIDI Pan for this track. """
v = stoi(ln[0], "Expecting integer value 0..127")
if v<0 or v>127:
error("PAN value must be 0..127")
self.midiPending.append( ("PAN", gbl.tickOffset, v))
if gbl.debug:
print "Set %s MIDIPan to %s" % (self.name, v)
def setGlis(self, ln):
""" Set MIDI Glis for this track. """
v = stoi(ln, "Expecting integer for Portamento")
if v<0 or v>127:
error("Value for Portamento must be 0..127")
self.midiPending.append( ("GLIS", gbl.tickOffset, v))
if gbl.debug:
print "Set %s MIDIPortamento to %s" % (self.name, v)
def setStrum(self, ln):
""" Set Strum time. """
# Strum is only valid for CHORD tracks.
if self.vtype != "CHORD":
error( "Strum is only valid in Chord tracks, you tried to "
"set it in a %s track." % self.name)
ln=self.lnExpand(ln, 'Strum')
tmp = []
for n in ln:
n = stoi(n, "Argument for %s Strum must be an integer" % self.name)
if n < 0 or n > 100:
error("Strum %s out-of-range; must be 0..100." % n)
tmp.append(n)
self.strum = seqBump(tmp)
if gbl.debug:
print "Set %s Strum to %s" % (self.name, self.strum)
def setTone(self, ln):
""" Set Tone. Error trap, only drum tracks have tone. """
error("Tone command not supported for %s track." % self.name)
def setOn(self):
""" Turn ON track. """
self.disable = 0
self.ssvoice = -1
if gbl.debug:
print "%s Enabled" % self.name
def setOff(self):
""" Turn OFF track. """
self.disable = 1
if gbl.debug:
print "%s Disabled" % self.name
def setRVolume(self, ln):
""" Set the volume randomizer for a track. """
ln = self.lnExpand(ln, 'RVolume')
tmp = []
for n in ln:
n = stoi(n, "Argument for %s RVolume must be a value." % self.name)
if n < 0 or n > 100:
error("RVolume %s out-of-range; must be 0..100." % n)
if n > 30:
warning("%s is a large RVolume value!" % n)
tmp.append( n/100. )
self.rVolume = seqBump(tmp)
if gbl.debug:
print "Set %s Rvolume to " % self.name,
for n in self.rVolume:
print int(n * 100),
print
def setRSkip(self, ln):
""" Set the note random skip factor for a track. """
ln = self.lnExpand(ln, 'RSkip')
tmp = []
for n in ln:
n = stoi(n, "Expecting integer after in RSkip")
if n < 0 or n > 99:
error("RSkip arg must be 0..99")
tmp.append(n/100.)
self.rSkip = seqBump(tmp)
if gbl.debug:
print "Set %s RSkip to " % self.name,
for n in self.rSkip:
print int(n * 100),
print
def setRTime(self, ln):
""" Set the timing randomizer for a track. """
ln=self.lnExpand(ln, 'RTime')
tmp = []
for n in ln:
n=stoi(n, "Expecting an integer for Rtime")
if n < 0 or n > 100:
error("RTime %s out-of-range; must be 0..100." % n)
tmp.append(n)
self.rTime = seqBump(tmp)
if gbl.debug:
print "Set %s RTime to " % self.name,
printList(ln)
def setRnd(self, arg):
""" Enable random pattern selection from sequence."""
if arg in ("ON", "1"):
self.seqRnd = 1
elif arg in ("OFF", "0"):
self.seqRnd = 0
else:
error("SeqRnd: '%s' is not a valid option." % arg)
if gbl.debug:
if self.seqRnd:
a="On"
else:
a="Off"
print "%s SeqRnd: %s" % (self.name, a)
def setRndWeight(self, ln):
""" Set weighting factors for seqrnd. """
ln = self.lnExpand(ln, "SeqRndWeight")
tmp = []
for n in ln:
n = stoi(n)
if n < 0: error("SeqRndWeight: Values must be 0 or greater.")
tmp.append(n)
self.seqRndWeight = seqBump(tmp)
if gbl.debug:
print "%s SeqRndWeight: " % self.name,
printList(self.seqRndWeight)
def setDirection(self, ln):
""" Set scale direction. """
ln = self.lnExpand(ln, "Direction")
tmp = []
for n in ln:
n = n.upper()
if not n in ('UP', 'DOWN', 'BOTH', 'RANDOM'):
error("Unknown %s Direction '%s'." % (self.name, n) )
tmp.append(n)
self.direction = seqBump(tmp)
if self.vtype == 'SCALE':
self.lastChord = None
self.lastNote = -1
if gbl.debug:
print "Set %s Direction to " % self.name,
printList(ln)
def setScaletype(self, ln):
""" Set scale type. """
if self.vtype != 'SCALE':
error("ScaleType only valid in Scale tracks.")
ln = self.lnExpand(ln, "ScaleType")
tmp = []
for n in ln:
n = n.upper()
if not n in ( 'CHROMATIC', 'AUTO'):
error("Unknown %s ScaleType. Only Chromatic and Auto are valid." % self.name)
tmp.append(n)
self.scaleType = seqBump(tmp)
if gbl.debug:
print "Set %s ScaleType to " % self.name,
printList(ln)
def setInvert(self, ln):
""" Set inversion for track.
This can be applied to any track,
but has no effect in drum tracks. It inverts the chord
by one rotation for each value.
"""
ln=self.lnExpand(ln, "Invert")
vwarn = 0
tmp = []
for n in ln:
n = stoi(n, "Argument for %s Invert must be an integer" % self.name)
if n and self.vtype=='CHORD' and self.voicing.mode:
vwarn = 1
tmp.append(n)
self.invert = seqBump(tmp)
if self.vtype not in ("CHORD", "ARPEGGIO"):
warning ("Invert is ignored in %s tracks." % self.vtype)
if vwarn:
warning("Setting both Voicing Mode and Invert is not a good idea")
if gbl.debug:
print "Set %s Invert to " % self.name,
printList(ln)
def setOctave(self, ln):
""" Set the octave for a track. """
ln=self.lnExpand(ln, 'Octave')
tmp = []
for n in ln:
n = stoi(n, "Argument for %s Octave must be an integer" % self.name)
if n < 0 or n > 10:
error("Octave %s out-of-range; must be 0..10." % n)
tmp.append( n * 12 )
self.octave = seqBump(tmp)
if gbl.debug:
print "Set %s Octave to" % self.name,
for i in self.octave:
print i/12,
print
def setSpan(self, start, end):
""" Set span.
Note: The start/end parm has been verified in parser.
"""
if self.vtype == "DRUM":
error("Span not supported in Drum tracks.")
self.spanStart = start
self.spanEnd = end
if gbl.debug:
print "Set %s Span to %s...%s." % (self.name, self.spanStart, self.spanEnd)
def setHarmony(self, ln):
""" Set the harmony. """
ln=self.lnExpand(ln, 'Harmony')
tmp = []
for n in ln:
n = n.upper()
if n in ( '-', '-0', 'NONE'):
n = None
tmp.append(n)
self.harmony = seqBump(tmp)
if self.vtype in ( 'CHORD', 'DRUM' ):
warning("Harmony setting for %s track ignored" % self.vtype)
if gbl.debug:
print "Set %s Harmony to" % self.name,
printList(self.harmony)
def setHarmonyOnly(self, ln):
""" Set the harmony only. """
ln=self.lnExpand(ln, 'HarmonyOnly')
tmp = []
for n in ln:
n = n.upper()
if n in ('-', '0'):
n = None
tmp.append(n)
self.harmony = seqBump(tmp)
self.harmonyOnly = seqBump(tmp)
if self.vtype in ( 'CHORD', 'DRUM'):
warning("HarmonyOnly setting for %s track ignored" % self.vtype)
if gbl.debug:
print "Set %s HarmonyOnly to" % self.name,
printList(self.harmonyOnly)
def setHarmonyVolume(self, ln):
""" Set harmony volume adjustment. """
ln=self.lnExpand(ln, 'HarmonyOnly')
tmp = []
for n in ln:
v=stoi(n)
if v<0:
error("HarmonyVolume adjustment must be positive integer")
tmp.append(v/100.)
self.harmonyVolume = seqBump(tmp)
if self.vtype in ( 'CHORD', 'DRUM' ):
warning("HarmonyVolume adjustment for %s track ignored" % self.vtype)
if gbl.debug:
print "Set %s HarmonyVolume to" % self.name,
printList(self.harmonyVolume)
def setSeqSize(self):
""" Expand existing pattern list. """
self.sequence = seqBump(self.sequence)
if self.midiVoice:
self.midiVoice = seqBump(self.midiVoice)
if self.midiSeq:
self.midiSeq = seqBump(self.midiSeq)
self.invert = seqBump(self.invert)
self.artic = seqBump(self.artic)
self.volume = seqBump(self.volume)
self.voice = seqBump(self.voice)
self.rVolume = seqBump(self.rVolume)
self.rSkip = seqBump(self.rSkip)
self.rTime = seqBump(self.rTime)
self.seqRndWeight = seqBump(self.seqRndWeight)
self.strum = seqBump(self.strum)
self.octave = seqBump(self.octave)
self.harmony = seqBump(self.harmony)
self.harmonyOnly = seqBump(self.harmonyOnly)
self.harmonyVolume = seqBump(self.harmonyVolume)
self.direction = seqBump(self.direction)
self.scaleType = seqBump(self.scaleType)
self.compress = seqBump(self.compress)
self.chordRange = seqBump(self.chordRange)
self.dupRoot = seqBump(self.dupRoot)
self.unify = seqBump(self.unify)
self.accent = seqBump(self.accent)
if self.vtype == "DRUM":
self.toneList = seqBump(self.toneList)
def setVoice(self, ln):
""" Set the voice for a track.
Note, this just sets flags, the voice is set in bar().
ln[] is not nesc. set to the correct length.
"""
ln=self.lnExpand(ln, 'Voice')
tmp = []
for n in ln:
n = MMA.translate.vtable.get(n)
a=MMA.midiC.instToValue(n)
if a < 0:
a=stoi(n, "Expecting a valid voice name or value, "
"not '%s'" % n)
if a <0 or a > 127:
error("Voice must be 0..127.")
tmp.append( a )
self.voice = seqBump(tmp)
if self.channel and len(gbl.midiAssigns[self.channel])>1:
a=''
for n in gbl.midiAssigns[self.channel]:
if n != self.name:
a += ' %s' % n
warning("Track %s is shared with %s.\n"
" Changing voice may create conflict." % (a,self.name))
if gbl.debug:
print "Set %s Voice to: " % self.name,
for a in self.voice:
print MMA.midiC.valueToInst(a),
print
def setMidiClear(self, ln):
""" Set MIDIclear sequences. """
if ln[0] in 'zZ-':
self.midiClear = None
else:
self.midiClear = MMA.mdefine.mdef.get(ln[0])
if gbl.debug:
print "%s MIDIClear: %s" % (self.name, self.midiSeqFmt(self.midiClear))
def doMidiClear(self):
""" Reset MIDI settings. """
if self.midiSent:
if not self.midiClear:
warning("%s: Midi data has been inserted with MIDIVoice/Seq "
"but no MIDIClear data is present." % self.name)
else:
for i in self.midiClear:
gbl.mtrks[self.channel].addCtl(gbl.tickOffset, i[1])
self.midiSent = 0
def setMidiSeq(self, ln):
""" Set a midi sequence for a track.
This is sent for every bar. Syntax is:
<beat> <ctrl> hh .. ; ...
or a single '-' to disable.
"""
""" lnExpand() works here! The midi data has been converted to
pseudo-macros already in the parser. """
ln=self.lnExpand(ln, "MidiSeq")
seq = []
for a in ln:
if a in 'zZ-':
seq.append(None)
else:
seq.append(MMA.mdefine.mdef.get(a.upper()))
if seq.count(None) == len(seq):
self.midiSeq = []
else:
self.midiSeq = seqBump( seq )
if gbl.debug:
print "%s MIDISeq:" % self.name,
for l in seq:
print '{ %s }' % self.midiSeqFmt(l),
def setMidiVoice(self, ln):
""" Set a MIDI sequence for a track.
This is sent whenever we send a VOICE. Syntax is:
<beat> <ctrl> hh .. ; ...
or a single '-' to disable.
"""
""" lnExpand() works here! The midi data has been converted to
pseudo-macros already in the parser. """
ln = self.lnExpand(ln, 'MIDIVoice')
seq = []
for a in ln:
if a in 'zZ':
seq.append(None)
else:
seq.append(MMA.mdefine.mdef.get(a.upper()))
if seq.count(None) == len(seq):
self.midiVoice = []
else:
self.midiVoice = seqBump( seq )
if gbl.debug:
print "%s MIDIVoice:" % self.name,
for l in seq:
print '{ %s }' % self.midiSeqFmt(l),
print
def midiSeqFmt(self, lst):
""" Used by setMidiVoice/Clear/Seq for debugging format. """
if lst == None:
return ''
ret=''
for i in lst:
ret += "%s %s 0x%02x ; " % (i[0],
MMA.midiC.valueToCtrl(ord(i[1][0])),
ord(i[1][1]))
return ret.rstrip("; ")
def setVolume(self, ln):
""" Set the volume for a pattern.
ln - list of volume names (pp, mf, etc)
ln[] not nesc. correct length
"""
ln=self.lnExpand(ln, 'Volume')
tmp = [None] * len(ln)
for i,n in enumerate(ln):
a = MMA.volume.calcVolume(n, self.volume[i])
if self.vtype == 'DRUM':
a=MMA.translate.drumVolTable.get(self.toneList[i], a)
else:
a=MMA.translate.voiceVolTable.get(self.voice[i], a)
tmp[i] = a
self.volume = seqBump(tmp)
if gbl.debug:
print "Set %s Volume to " % self.name,
for a in self.volume:
print int(a * 100),
print
def setCresc(self, dir, ln):
""" Set Crescendo for a track. """
if len(ln) == 3:
self.setVolume([ln[0]])
ln=ln[1:]
vol = self.volume[0]
if self.volume.count(vol) != len(self.volume):
warning("(De)Crescendo being used with track with variable sequence volumes.")
self.futureVols = MMA.volume.fvolume(dir, vol, ln)
def setMallet(self, ln):
""" Mallet (repeat) settngs. """
for l in ln:
try:
mode, val = l.upper().split('=')
except:
error("Each Mallet option must contain a '=', not '%s'" % l)
if mode == 'RATE':
self.mallet = getNoteLen(val)
elif mode == 'DECAY':
val = stof(val, "Mallet Decay must be a value, not '%s'." % val)
if val < -50 or val > 50:
error("Mallet Decay rate must be -50..+50")
self.malletDecay = val/100
if gbl.debug:
print "%s Mallet Rate:%s Decay:%s " % \
(self.name, self.mallet, self.malletDecay)
def setAccent(self, ln):
""" Set the accent values. This is a list of lists, a list for each seq. """
tmp = []
""" We can do "Track Accent 1 20 3 -10" or "Track Accent {1 20 3 -10}"
or even something like "Track Accent {1 20} / {/} {3 20}"
Note that the "/" can or not have {}s.
"""
ln = ' '.join(ln)
if not ln.startswith('{'):
ln='{' + ln +"}"
# Convert string to list. One entry per seq.
l=[]
while ln:
if not ln.startswith("{"):
if ln[0]=='/':
l.append('/')
ln=ln[1:].strip()
else:
error("Unknown value in %s Accent: %s" % (self.name, ln[0]))
else:
a,b = pextract(ln, "{", "}", 1)
ln=a.strip()
if len(b)==1 and b[0]=='/':
l.append('/')
else:
l.append(b[0].split())
ln=self.lnExpand(l, 'Accent')
for l in ln:
tt=[]
if len(l)/2*2 != len(l):
error("Use: %s Accent Beat Percentage [...]" % self.name)
for b, v in zip(l[::2], l[1::2]):
b=self.setBarOffset( b )
v=stoi(v, "Bbeat offset must be a value, not '%s'." % v)
if v < -100 or v > 100:
error("Velocity adjustment (as percentage) must "
"be -100..100, not '%s'." % v)
tt.append( (b, v/100. ) )
tmp.append(tt)
self.accent = seqBump( tmp )
if gbl.debug:
print "%s Accent: " % self.name,
for s in self.accent:
print "{",
for b,v in s:
print '%s %s' % (1+(b/float(gbl.BperQ)), int(v*100)),
print "}",
print
def setArtic(self, ln):
""" Set the note articuation value. """
ln=self.lnExpand(ln, 'Articulate')
tmp = []
for n in ln:
a = stoi(n, "Expecting value in articulation setting.")
if a < 1 or a > 200:
error("Articulation setting must be 1..200, not %s." % a)
if a>150:
warning("Large Articulate value: %s" % a)
tmp.append(a)
self.artic = seqBump(tmp)
if gbl.debug:
print "Set %s Articulation to " % self.name,
printList(ln)
def setUnify(self, ln):
""" Set unify. """
ln = self.lnExpand(ln, "Unify")
tmp = []
for n in ln:
n=n.upper()
if n in ( 'ON', '1'):
tmp.append(1)
elif n in( 'OFF', '0'):
tmp.append(0)
else:
error("Unify accepts ON | OFF | 0 | 1")
self.unify = seqBump(tmp)
if gbl.debug:
print "Set %s Unify to " % self.name,
printList(self.unify)
def lnExpand(self, ln, cmd):
""" Validate and expand a list passed to a set command. """
if len(ln) > gbl.seqSize:
warning("%s list truncated to %s patterns." % (self.name, gbl.seqSize) )
ln = ln[:gbl.seqSize]
last = None
for i,n in enumerate(ln):
if n == '/':
if not last:
error ("You cannot use a '/' as the first item "
"in a %s list." % cmd)
else:
ln[i] = last
else:
last = n
return ln
def copySettings(self, cp):
""" Copy the voicing from a 2nd voice to the current one. """
if not cp in gbl.tnames:
error("CopySettings does not know track '%s'." % cp)
cp=gbl.tnames[cp]
if cp.vtype != self.vtype:
error("Tracks must be of same type for copy ... "
"%s and %s aren't." % (self.name, cp.name))
self.volume = cp.volume[:]
self.rVolume = cp.rVolume[:]
self.accent = cp.accent[:]
self.rSkip = cp.rSkip[:]
self.rTime = cp.rTime[:]
self.strum = cp.strum[:]
self.octave = cp.octave[:]
self.harmony = cp.harmony[:]
self.harmonyOnly = cp.harmonyOnly[:]
self.harmonyVolume = cp.harmonyVolume[:]
self.direction = cp.direction[:]
self.scaleType = cp.scaleType[:]
self.voice = cp.voice[:]
self.invert = cp.invert[:]
self.artic = cp.artic[:]
self.compress = cp.compress[:]
self.riff = cp.riff[:]
if self.vtype == 'DRUM':
self.toneList = cp.toneList[:]
if gbl.debug:
print "Settings from %s copied to %s." % (cp.name, self.name)
##################################################
## Save/restore grooves
def saveGroove(self, gname):
""" Define a groove.
Called by the 'DefGroove Name'. This is called for
each track.
If 'gname' is already defined it is overwritten.
Note aux. function which may be defined for each track type.
"""
self.grooves[gname] = {
'ACCENT': self.accent[:],
'ARTIC': self.artic[:],
'COMPRESS': self.compress[:],
'DIR': self.direction[:],
'DUPROOT': self.dupRoot[:],
'HARMONY': self.harmony[:],
'HARMONYO': self.harmonyOnly[:],
'HARMONYV': self.harmonyVolume[:],
'INVERT': self.invert[:],
'LIMIT': self.chordLimit,
'RANGE': self.chordRange[:],
'OCTAVE': self.octave[:],
'RSKIP': self.rSkip[:],
'RTIME': self.rTime[:],
'RVOLUME': self.rVolume[:],
'SCALE': self.scaleType[:],
'SEQ': self.sequence[:],
'SEQRND': self.seqRnd,
'SEQRNDWT': self.seqRndWeight[:],
'STRUM': self.strum[:],
'VOICE': self.voice[:],
'VOLUME': self.volume[:],
'UNIFY': self.unify[:],
'MIDISEQ': self.midiSeq[:],
'MIDIVOICE':self.midiVoice[:],
'MIDICLEAR':self.midiClear[:],
'SPAN': (self.spanStart, self.spanEnd),
'MALLET': (self.mallet, self.malletDecay) }
if self.vtype == 'CHORD':
self.grooves[gname]['VMODE'] = copy.deepcopy(self.voicing)
if self.vtype == 'DRUM':
self.grooves[gname]['TONES'] = self.toneList[:]
def restoreGroove(self, gname):
""" Restore a defined groove. """
self.doMidiClear()
g = self.grooves[gname]
self.sequence = g['SEQ']
self.volume = g['VOLUME']
self.accent = g['ACCENT']
self.rTime = g['RTIME']
self.rVolume = g['RVOLUME']
self.rSkip = g['RSKIP']
self.strum = g['STRUM']
self.octave = g['OCTAVE']
self.voice = g['VOICE']
self.harmonyOnly= g['HARMONYO']
self.harmony = g['HARMONY']
self.harmonyVolume = g['HARMONYV']
self.direction = g['DIR']
self.scaleType = g['SCALE']
self.invert = g['INVERT']
self.artic = g['ARTIC']
self.seqRnd = g['SEQRND' ]
self.seqRndWeight = g['SEQRNDWT']
self.compress = g['COMPRESS']
self.chordRange = g['RANGE']
self.dupRoot = g['DUPROOT']
self.chordLimit = g['LIMIT']
self.unify = g['UNIFY']
self.midiClear = g['MIDICLEAR']
self.midiSeq = g['MIDISEQ']
self.midiVoice = g['MIDIVOICE']
self.spanStart, self.spanEnd = g['SPAN']
self.mallet, self.malletDecay = g['MALLET']
if self.vtype == 'CHORD':
self.voicing = g['VMODE']
if self.vtype == 'DRUM':
self.toneList = g['TONES']
""" It's quite possible that the track was created after
the groove was saved. This means that the data restored
was just the default stuff inserted when the track
was created ... which is fine, but the sequence size
isn't necs. right. We can probably test any list, and octave[]
is as good as any.
"""
if len(self.octave) != gbl.seqSize:
self.setSeqSize()
####################################
## Sequence functions
def setSequence(self, ln):
""" Set the sequence for a track.
The ln passed from the parser should be a list of existing
patterns, plus the special 'patterns' Z, z, -, and *. Remember
that the parser has already converted {} patterns to a special
pattern line _1.
First we expand ln to the proper length. lnExpand() also
duplicates '/' to the previous pattern.
Then we step though ln:
- convert 'z', 'Z' and '-' to empty patterns.
- duplicate the existing pattern for '*'
- copy the defined pattern for everything else.
There's a bit of Python reference trickery here.
Eg, if we have the line:
Bass Sequence B1 B2
the sequence is set with pointers to the existing
patterns defined for B1 and B2. Now, if we later change
the definitions for B1 or B2, the stored pointer DOEN'T
change. So, changing pattern definitions has NO EFFECT.
"""
ln=self.lnExpand(ln, 'Sequence')
tmp = [None] * len(ln)
for i, n in enumerate(ln):
n=n.upper()
if n in ('Z', '-'):
tmp[i] = None
elif n == '*':
tmp[i] = self.sequence[i]
else:
p= (self.vtype, n)
if not p in pats:
error("Track %s does not have pattern '%s'." % p )
tmp[i] = pats[p]
self.sequence = seqBump(tmp)
if gbl.seqshow:
print "%s sequence set:" % self.name,
for a in ln:
if a in "Zz-": print "-",
else: print a,
print
def clearSequence(self):
""" Clear sequence for track.
This is also called from __init__() to set the initial defaults for each track.
"""
if self.vtype != 'SOLO' or not self.inited:
self.artic = [90]
self.sequence = [None]
self.seqRnd = 0
self.seqRndWeight = [1]
self.scaleType = ['AUTO']
self.rVolume = [0]
self.rSkip = [0]
self.rTime = [0]
self.octave = [4 * 12]
self.voice = [0]
self.chordRange = [1]
self.harmony = [None]
self.harmonyOnly = [None]
self.harmonyVolume = [.8]
self.strum = [0]
self.volume = [MMA.volume.vols['M'] ]
self.compress = [0]
self.dupRoot = [0]
self.chordLimit = 0
self.invert = [0]
self.lastChord = []
self.accent = [ [] ]
self.unify = [0]
self.midiClear = []
self.midiSeq = []
self.midiVoice = []
self.spanStart = 0
self.spanEnd = 127
self.mallet = 0
self.malletDecay = 0
self.futureVols = []
if self.riff:
if len(self.riff) > 1:
warning("%s sequence clear deleting %s riffs." % (self.name, len(self.riff)))
else:
warning("%s sequence clear deleting unused riff" % self.name )
self.riff = []
if self.vtype == 'CHORD':
self.voicing = Voicing()
self.direction = ['UP']
else:
self.direction = ['BOTH']
self.setSeqSize()
############################
### Pattern functions
############################
def definePattern(self, name, ln):
""" Define a Pattern.
All patterns are stored in pats{}. The keys for this
are tuples -- (track type, pattern name).
"""
name = name.upper()
slot = (self.vtype,name)
# This is just for the debug code
if name.startswith('_'):
redef = "dynamic define"
elif slot in pats:
redef = name + ' redefined'
else:
redef = name + ' created'
ln = ln.rstrip('; ') # Delete optional trailing ';' & WS
pats[slot] = self.defPatRiff(ln)
if gbl.pshow:
print "%s pattern %s:" % (self.name.title(), redef )
self.printPattern(pats[slot])
def setRiff(self, ln):
""" Define and set a Riff. """
solo = self.vtype in ("MELODY", "SOLO")
if solo:
self.riff.append(ln)
else:
ln = ln.rstrip('; ')
if len(ln) == 1 and (ln[0] in ('Z','z','-')):
self.riff.append([])
else:
self.riff.append(self.defPatRiff(ln))
if gbl.pshow:
print "%s Riff:" % self.name,
if solo:
print self.riff[-1]
else:
self.printPattern(self.riff[-1])
def defPatRiff(self, ln):
""" Worker function to define pattern. Shared by definePattern()
and setRiff().
"""
def mulPatRiff(oldpat, fact):
""" Multiply a pattern. """
fact = stoi(fact, "The multiplier arg must be an integer not '%s'." % fact)
if fact<1 or fact >100:
error("The multiplier arg must be in the range 2 to 100.")
""" Make N copies of pattern, adjusted so that the new copy has
all note lengths and start times adjusted.
eg: [[1, 2, 66], [3, 2, 88]] * 2
becomes [[1,4,66], [2,4,88], [3,4,66], [4,4,88]].
"""
new = []
add = 0
step = (gbl.BperQ * gbl.QperBar)/fact
for n in range(fact):
orig = copy.deepcopy(oldpat)
for z in orig:
z.offset = (z.offset / fact) + add
z.duration /= fact
if z.duration < 1:
z.duration = 1
new.append(z)
add += step
return tuple( new )
def shiftPatRiff(oldpat, fact):
fact = stof(fact, "The shift arg must be a value, not '%s'." % fact)
# Adjust all the beat offsets
new = copy.deepcopy(oldpat)
max = gbl.BperQ * (gbl.QperBar)
for n in new:
n.offset += fact * gbl.BperQ
if n.offset < 0 or n.offset > max:
error("Pattern shift with factor %f has resulted in an "
"illegal offset." % fact )
return tuple( new )
def patsort(c1, c2):
""" Sort a pattern tuple. """
if c1.offset < c2.offset: return -1
if c1.offset == c2.offset: return 0
else: return 1
### Start of main function...
# Convert the string to list...
# "1 2 3; 4 5 6" ---> [ [1,2,3], [4,5,6] ]
p = []
ln = ln.upper().split(';')
for l in ln:
p.append(l.split())
plist=[]
for ev in p:
more=[]
for i,e in enumerate(ev):
if e.upper() in ('SHIFT', '*'):
if i == 0:
error("Pattern definition can't start with"
"SHIFT or *")
more = ev[i:]
ev=ev[:i]
break
if len(ev) == 1:
nm = (self.vtype, ev[0])
if nm in pats:
if nm[0].startswith('_'):
error("You can't use a pattern name beginning"
" with an underscore.")
pt = pats[nm]
else:
error("%s is not an existing %s pattern." % (nm[1], nm[0].title()) )
else:
pt = [self.getPgroup(ev)]
while more:
cmd = more.pop(0)
if cmd not in ('SHIFT', '*'):
error("Expecting SHIFT or *, not '%s'." % cmd)
if not more:
error("Expecting factor after %s" % cmd)
if cmd == 'SHIFT':
pt = shiftPatRiff(pt, more.pop(0))
elif cmd == '*':
pt = mulPatRiff(pt, more.pop(0))
plist.extend(pt)
plist.sort(patsort)
if gbl.swingMode:
len8 = getNoteLen('8')
len81 = getNoteLen('81')
len82 = getNoteLen('82')
onBeats = [ x * gbl.BperQ for x in range(gbl.QperBar)]
offBeats = [ (x * gbl.BperQ + len8) for x in range(gbl.QperBar)]
for p in plist:
if p.duration == len8 or self.vtype=="DRUM" and p.duration==1:
if p.offset in onBeats:
if p.duration == len8:
p.duration = len81
elif p.offset in offBeats:
if p.duration == len8:
p.duration = len82
i=offBeats.index(p.offset)
p.offset = onBeats[i] + len81
return plist
def printPattern(self, pat):
""" Print a pattern. Used by debugging code."""
s=[]
for p in pat:
s.append(" %2.2f %2.0f" % (1+(p.offset/float(gbl.BperQ)),
p.duration))
if self.vtype == 'CHORD':
for a in p.vol:
s.append( " %2.0f" % a)
elif self.vtype == 'BASS':
f=str(p.noteoffset+1)
if p.accidental == 1:
f+="#"
elif p.accidental == -1:
f+="b"
if p.addoctave > 0:
f+="+" * (p.addoctave/12)
elif p.addoctave < 0:
f+="-" * (p.addoctave/-12)
s.append( " %s %2.0f" % (f, p.vol ) )
elif self.vtype == 'ARPEGGIO':
s.append( " %2.0f " % p.vol )
elif self.vtype == 'DRUM':
s.append(" %2.0f" % p.vol)
elif self.vtype == 'WALK':
s.append(" %2.0f" % p.vol )
s.append(' ;')
s.append('\n')
s[-2]=' '
print "".join(s)
def insertVoice(self):
""" Called from bar() and setForceOut(). Adds voice stuff to track."""
sc = gbl.seqCount
""" 1st pass for MIDIVOICE. There's a separate slot for
each bar in the sequence, plus the data can be sent
before or after 'voice' commands. This first loop
sends MIDIVOICE data with an offset of 0. Note, we
don't set the value for 'self.smidiVoice' until we
do this again, later. All this is needed since some
MIDIVOICE commands NEED to be sent BEFORE voice selection,
and others AFTER.
"""
if self.midiVoice:
v = self.midiVoice[sc]
if v and v != self.smidiVoice:
for i in v:
if not i[0]:
gbl.mtrks[self.channel].addCtl(gbl.tickOffset, i[1])
# Set the voice in the midi track if not previously done.
v=self.voice[sc]
if v != self.ssvoice:
gbl.mtrks[self.channel].addProgChange( gbl.tickOffset, v)
self.ssvoice = v
# Mark ssvoice also in shared tracks
for a in gbl.midiAssigns[self.channel]:
if gbl.tnames.has_key(a):
gbl.tnames[a].ssvoice = v
if gbl.debug:
print "Track %s Voice %s inserted." \
% (self.name, MMA.midiC.valueToInst(v) )
""" Our 2nd stab at MIDIVOICE. This time any sequences
with offsets >0 are sent. AND the smidiVoice and midiSent
variables are set.
"""
if self.midiVoice:
v = self.midiVoice[sc]
if v and v != self.smidiVoice:
for i in v:
if i[0]:
gbl.mtrks[self.channel].addCtl(gbl.tickOffset, i[1])
self.smidiVoice = v
self.midiSent = 1 # used by MIDICLEAR
#########################
## Music processing
#########################
def bar(self, ctable):
""" Process a bar of music for this track. """
# Future vol == de(cresc). Done if track is on or off!
if self.futureVols:
self.volume = seqBump([self.futureVols.pop(0)])
# If track is off don't do anything else.
if self.disable:
if self.riff:
self.riff.pop(0)
return
""" Decide which seq to use. This is either the current
seqCount, or if SeqRnd has been set for the track
it is a random pattern in the sequence.
The class variable self.seq is set to the sequence to use.
"""
if self.seqRnd:
tmp = []
for x, i in enumerate(self.seqRndWeight):
tmp.extend([x] * i)
if not len(tmp):
error("SeqRndWeight has generated an empty list.")
self.seq = random.choice(tmp)
else:
self.seq = gbl.seqCount
sc = self.seq
#print self.name, sc
""" Get pattern for this sequence. Either a Riff or a Pattern. """
if self.riff:
pattern = self.riff.pop(0)
else:
pattern = self.sequence[sc]
if not pattern:
return
""" MIDI Channel assignment. If no channel is assigned try
to find an unused number and assign that.
"""
if not self.channel:
self.setChannel()
# We are ready to create musical data. 1st do pending midi commands.
self.clearPending()
self.insertVoice()
# Do MIDISeq for this voice
if self.midiSeq:
l = self.midiSeq[sc]
if l:
for i in l:
gbl.mtrks[self.channel].addCtl( getOffset(i[0]), i[1] )
self.midiSent = 1
self.trackBar(pattern, ctable)
def clearPending(self):
while self.midiPending:
c, off, v = self.midiPending.pop(0)
if c == 'TNAME':
gbl.mtrks[self.channel].addTrkName(off, v)
if gbl.debug:
print "%s Track name inserted at offset %s." % \
(self.name, off)
elif c == 'GLIS':
gbl.mtrks[self.channel].addGlis(off, v)
if gbl.debug:
print "%s Glis at offset %s set to %s." % \
(self.name, off, ord(chr(v)))
elif c == 'PAN':
gbl.mtrks[self.channel].addPan(off, v)
if gbl.debug:
print "%s Pan at offset %s set to %s." % \
(self.name, off, v)
elif c == 'CVOLUME':
gbl.mtrks[self.channel].addChannelVol(off, v)
if gbl.debug:
print "%s ChannelVolume at offset %s set to %s" % \
(self.name, off, v)
else:
error("Unknown midi command pending. Call Bob.")
def getChordInPos( self, offset, ctable):
""" Compare an offset to a list of ctables and return
the table entry active for the given beat.
We assume that the first offset in 'ctable' is 0!
We assme that 'offset' is >= 0!
Returns a ctable.
"""
for i in range(len(ctable)-1, -1, -1): # reverse order
if offset >= ctable[i].offset:
break
return ctable[i]
def adjustVolume(self, v, beat):
""" Adjust a note volume based on the track and global volume
setting.
"""
if not v:
return 0
sc = self.seq
if self.rSkip[sc] and random.random() < self.rSkip[sc]:
return 0
a1 = self.volume[sc]
if not a1:
return 0
a1 *= MMA.volume.vTRatio
a2 = MMA.volume.volume
if not a2:
return 0
a2 *= MMA.volume.vMRatio
v *= ( a1 + a2 )
for b,a in self.accent[sc]:
if b==beat:
v += (v * a)
# take .rVolume % of current volume, add/sub result to current
if self.rVolume[sc]:
a = int(v * self.rVolume[sc])
if a:
v += random.randrange(-a, a)
if v > 127:
v = 127
elif v < 1:
v = 1
return int(v)
def adjustNote(self, n):
""" Adjust a note for a given octave/transposition.
Ensure that the note is in range.
"""
n += self.octave[self.seq] + gbl.transpose
while n < 0:
n += 12
while n > 127:
n -= 12
while n < self.spanStart:
n += 12
while n > self.spanEnd:
n -= 12
return n
def setBarOffset(self, v):
""" Convert a string into a valid bar offset in midi ticks. """
m=v.find('-')
p=v.find('+')
if m>-1 and p>-1:
if m>p:
sp = p
sign = 1
else:
sp = m
sign = -1
elif m >- 1:
sp = m
sign = -1
elif p >- 1:
sp = p
sign = 1
else:
sp = None
if sp:
note = v[sp+1:]
v = v[:sp]
else:
note = None
v=stof(v, "Value for %s bar offset must be integer/float" % self.name)
v = (v-1) * gbl.BperQ
if note:
v += getNoteLen(note) * sign
if v < 0:
if v<-gbl.BperQ:
error("Defining %s Pattern, bar offset must be 0 or greater." %
self.name)
else:
warning("Offset in '%s' is '%s ticks' before bar start!" % (self.name, -v))
if v >= gbl.QperBar * gbl.BperQ:
error("Defining %s Pattern, bar offset must be less than %s." %
(self.name, gbl.QperBar + 1))
return int(v)
def getDur(self, d):
""" Return the adjusted duration for a note.
The adjustment makes notes more staccato. Valid
adjustments are 1 to 100. 100 is not recommended.
"""
d = (d * self.artic[self.seq]) / 100
if not d:
d = 1
return d
def sendNote( self, offset, duration, note, velocity):
""" Send a note to the MIDI machine. This is called from all
track classes and handles niceties like mallet-repeat.
"""
if not velocity:
return
sc = self.seq
rptr = self.mallet
if rptr and duration > rptr:
ll = self.getDur(rptr)
offs = 0
vel = velocity
count =0
for q in range(duration/rptr):
gbl.mtrks[self.channel].addPairToTrack(
offset + offs,
self.rTime[sc],
ll,
note,
vel,
None )
offs += rptr
if self.malletDecay:
vel = int( vel + (vel * self.malletDecay) )
if vel < 1:
vel = 1
if vel > 255:
vel=255
count+=1
else:
gbl.mtrks[self.channel].addPairToTrack(
offset,
self.rTime[sc],
duration,
note,
velocity,
self.unify[sc] )
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