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#!/bin/env python
import os
##############
## SOUNDS
##############
class Instrument:
def __init__(self, id):
self.instrumentId = id
self.kitStage = False
self.volatile = None
# build an Instrument instance from argument list
def loadFromArgs( self, name, csoundInstrumentId, register, loopStart,
loopEnd, crossDur, ampScale, kit, wav, img, category ):
self.name = name
self.csoundInstrumentId = csoundInstrumentId
self.instrumentRegister = register
self.loopStart = loopStart
self.loopEnd = loopEnd
self.crossDur = crossDur
self.ampScale = ampScale
self.kit = kit
self.wav = wav
self.img = img
self.category = category
# build an Instrument instance by parsing a file
def loadFromPath(self, path ):
f = file(path, 'r')
magic = f.readline()[:-1]
if (magic != 'TamTam idf v1'):
raise 'given file has wrong header'
self.name = f.readline()[:-1]
self.csoundInstrumentId = float(f.readline()[:-1])
self.register = f.readline()[:-1]
self.loopStart = float( f.readline()[:-1])
self.loopEnd = float( f.readline()[:-1])
self.crossDur = float( f.readline()[:-1])
self.ampScale = float( f.readline()[:-1])
self.kit = None
self.wav = f.readline()[:-1]
self.img = f.readline()[:-1]
self.category = f.readline()
f.close()
class InstrumentDB:
# initialize an empty InstrumentDB instance
def __init__(self):
self.labelSet = {'All':set([])} # <key> -> all instruments labelled by <key>
self.inst = [] # all instruments
self.instNamed = {} # <name> -> instrument with that name
self.instId = {} # <instrumentId> -> instrument
# TEMP? add instrument from args
def addInstrumentFromArgs( self, name, csoundInstrumentId, register, loopStart,
loopEnd, crossDur, ampScale, kit, wav, img, category,
kitStage = False, volatile = False ):
i = Instrument(len(self.inst))
self.inst += [ i ]
i.loadFromArgs( name, csoundInstrumentId, register, loopStart, loopEnd, crossDur, ampScale, kit, wav, img, category )
i.kitStage = kitStage
if volatile: i.volatile = 0
self.instNamed[ i.name ] = i
self.instId[i.instrumentId] = i
self.labelSet['All'].add(i)
if not self.labelSet.has_key(category):
self.labelSet[category] = set([])
self.labelSet[category].add( i )
# add an instrument to the DB by reading from an instrument definition file
def addInstrument( self, path ):
from common.Util.CSoundClient import new_csound_client
csnd = new_csound_client()
i = Instrument(len(self.inst))
self.inst += [ i ]
i.loadFromPath( path )
self.instNamed[ i.name ] = i
self.instId[i.instrumentId] = i
#print 'labelSet... ', self.labelSet
self.labelSet['All'].add(i)
if not self.labelSet.has_key(category):
self.labelSet[category] = set([])
self.labelSet[category].add( i )
csnd.load_instrument(i.name)
# try to load each file in a given folder as an instrument def. file
def scanInstrumentDir( self, path ):
dirlist = os.listdir( path )
for fpath in dirlist:
try :
self.addInstrument( path + fpath )
except :
print 'ERROR: scanning instrument path %s: file %s invalid' % (path, fpath)
def getLabels( self ):
return self.labelSet.keys()
def getSet( self, label ):
return self.labelSet[label]
def getInstrument( self, id ):
return self.instId[id]
def getInstrumentByName( self, name ):
try:
return self.instNamed[ name ]
except:
print "Instrument not found: ", name
return self.inst[0]
def debug_summarize(self):
for i in self.inst:
print i.id, i.name
for l in self.labelSet:
print l, [ i.name for i in self.labelSet[l]]
db_instance = None
def getRef():
global db_instance
if (None == db_instance):
db_instance = InstrumentDB()
return db_instance
if __name__ == "__main__":
i1 = getRef()
i2 = getRef()
print i1, i2
import sys
i1.scanInstrumentDir( sys.argv[1] )
i1.debug_summarize()
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