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import pickle
import time
import bisect
import pygtk
pygtk.require( '2.0' )
import gtk
import gobject
import common.Config as Config
from common.Util.CSoundNote import CSoundNote #maybe not actually used, but dependence is there. All notes are assumed to be CSoundNotes
from common.Generation.GenerationConstants import GenerationConstants
#------------------------------------------------------------------------------
# A base class used to play a collection of Events at their respective onsets
#------------------------------------------------------------------------------
class NoteLooper_DONTUSE:
#PRIVATE
DRIFT = 0.01 #careful about changing this... coordinate with instrument 5777
#PUBLIC
def __init__( self, range_sec, ticks_per_sec ):
self.ticks_per_sec = ticks_per_sec # ticks last this long
self.secs_per_tick = 1.0 / ticks_per_sec # precomputed inverse
self.range_sec = range_sec # notes are checked-for, this many seconds in advance
self.duration = 0 # number of ticks in playback loop
self.loops = 0 # number of elapsed loops
self.notes = [] # sorted list of (onset, noteptr, cache)
self.time0 = time.time() + 1000000 # the real time at which tick == 0 (sometimes retro-active)
#self.time_start # remember to call NoteLooper.startTime
# at the same time as you call
# CSoundClient.startTime()
def setTick( self, tick ):
time_time = time.time()
self.time0 = time_time - tick * self.secs_per_tick
self.loops = tick // self.duration
self.hIdx = bisect.bisect_left(self.notes, tick - self.duration * self.loops )
def setRate( self, ticks_per_sec):
if ticks_per_sec != self.ticks_per_sec:
secs_per_tick = 1.0 / ticks_per_sec
time_time = time.time()
curtick = self.getTick( time_time, False )
curticktime = curtick * self.secs_per_tick + self.time0
self.ticks_per_sec = ticks_per_sec
self.secs_per_tick = secs_per_tick
self.time0 = curticktime - curtick * secs_per_tick
self.notes = [ (o,n,'',z) for (o,n,c,z) in self.notes ] #clear cache
self.loops = 0
def setDuration( self, duration ):
self.time0 += self.loops * self.duration * self.secs_per_tick
self.loops = 0
self.duration = duration
def getTick(self, t, domod): #t is for time
if domod :
return ( int( ( t - self.time0 ) * self.ticks_per_sec ) ) % self.duration
else :
return ( int( ( t - self.time0 ) * self.ticks_per_sec ) )
def next( self ) :
time_time = time.time()
#tickhorizon is tick where we'll be after range_sec
tickhorizon = self.getTick( self.range_sec + time_time, False )
time0_time = self.time0 - self.time_start + self.DRIFT
if tickhorizon < 0 : return []
if len(self.notes) == 0 : return []
def cache_cmd(secs_per_tick, amplitude, pitch, inst, trackId, duration, tied, fullDuration, overlap, attack, decay, reverbSend, filterType, filterCutoff, pan ):
if inst[0:4] == 'drum':
if pitch in GenerationConstants.DRUMPITCH:
key = GenerationConstants.DRUMPITCH[ pitch ]
else:
key = pitch
if inst == 'drum1kit':
inst = Config.DRUM1INSTRUMENTS[ key ]
if inst == 'drum2kit':
inst = Config.DRUM2INSTRUMENTS[ key ]
if inst == 'drum3kit':
inst = Config.DRUM3INSTRUMENTS[ key ]
pitch = 1
else:
pitch = GenerationConstants.TRANSPOSE[ pitch - 24 ]
# condition for tied notes
if Config.INSTRUMENTS[ inst ].csoundInstrumentId == 101 and tied and fullDuration:
duration= -1.0
# condition for overlaped notes
if Config.INSTRUMENTS[ inst ].csoundInstrumentId == 102 and overlap:
duration += 1.0
attack = max( 0.002, duration * attack)
decay = max( 0.002, duration * decay)
rval = Config.PLAY_NOTE_COMMAND_MINUS_DELAY % \
( Config.INSTRUMENTS[ inst ].csoundInstrumentId,
trackId,
'%f', #delay,
duration,
pitch,
reverbSend,
amplitude,
pan,
Config.INSTRUMENT_TABLE_OFFSET + Config.INSTRUMENTS[ inst ].instrumentId,
attack,
decay,
filterType, filterCutoff )
return rval
def getText(i, secs_per_tick, time_offset):
(onset,note,cache,z) = self.notes[i]
if cache == '' or note.nchanges != z :
self.notes[i] = \
(
onset,
note,
cache_cmd(
secs_per_tick,
note.amplitude, # * track-level mixer rate
note.pitch,
note.instrumentFlag,
note.trackId,
note.duration * self.secs_per_tick,
note.tied,
note.fullDuration,
note.overlap,
note.attack,
note.decay,
note.reverbSend,
note.filterType,
note.filterCutoff,
note.pan),
note.nchanges
)
rval = self.notes[i][2] % float(onset * self.secs_per_tick + time_offset)
return rval
prev_secs = (self.loops * self.duration) * self.secs_per_tick
rval = []
while self.notes[self.hIdx][0] + self.loops * self.duration < tickhorizon:
rval.append ( getText(self.hIdx, self.secs_per_tick, prev_secs + time0_time ) )
self.hIdx += 1
if self.hIdx == len(self.notes):
self.hIdx = 0
self.loops += 1
prev_secs += self.duration * self.secs_per_tick
return rval
def insert( self, notes):
def insertMany():
self.notes += [ ( notes[i][0], notes[i][1], '', 0 ) for i in xrange(len(notes)) ]
self.notes.sort()
def insertFew():
for i in xrange(len(notes)):
t = (notes[i][0], notes[i][1],'',0)
l = bisect.bisect_left(self.notes, t )
self.notes.insert(l, t)
if len(notes) >= 1:
insertMany()
else:
insertFew()
self.hIdx = bisect.bisect_left(self.notes, self.getTick(self.range_sec + time.time(), True))
def remove(self, note):
def removeFew():
i = 0
while i < len(self.notes):
if self.notes[i][1] in note:
del self.notes[i]
else:
i += 1
def removeMany():
self.notes = [t for t in self.notes if t[1] not in note]
if len(idset) >= 0: #just guessing here, should do some timing tests to see if this is good or no
removeMany()
else:
removeFew()
self.hIdx = bisect.bisect_left(self.notes, self.getTick(self.range_sec + time.time(), True))
def clear(self):
self.notes = []
def startTime(self):
self.time_start = time.time()
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