def doWind(length, hfq, vol, reverse=False):
key = (length, _logRoundUp(hfq), vol, reverse)
if key in _resonanceCache:
if random.random() < _CACHE_PROBABILITY:
return _repitch(key[1], hfq,
readSwappedCache(_resonanceCache[key]))
with SFMemoryZone():
# Put in a little extra and then trim it off reliably.
upRatio = key[1] * 1.01 / float(hfq)
out = _distant_wind(length * upRatio, hfq, qCorrect, limit, seed)
out = sf.Power(out, power)
if saturate:
os = sf.Saturate(sf.LinearVolume(sf.FixSize(+out), 2.0))
out = sf.Mix(sf.LinearVolume(out, 1.0 - saturate),
sf.LinearVolume(os, saturate))
out = sf.Realise(out)
out = sf.LinearVolume(sf.FixSize(out), vol)
if reverse:
out = sf.Reverse(out)
ret = compress(out)
if _PERFORM_CACHE:
# Store no more than the length we need which we work out as the
# inverse scale of that used to make the signal. This should
# always give enough signal so out of bounds does not happen.
toCache = _repitch(hfq, key[1], ret, sf.Length(ret) / upRatio)
# FIXME: Figure out how to make this long enough.
# See call to _distant_wind above.
_resonanceCache[key] = writeSawppedCache(toCache)
return toCache.keep()
else:
return ret.keep()
return ret
def doWind(lenth, hfq, vol, reverse=False):
with SFMemoryZone():
out = _distant_wind(length, hfq, qCorrect, limit, seed)
out = sf.Power(out, power)
if saturate:
os = sf.Saturate(sf.NumericVolume(sf.FixSize(+out), 2.0))
out = sf.Mix(sf.NumericVolume(out, 1.0-saturate), sf.NumericVolume(os, saturate))
out = sf.Realise(out)
out = sf.NumericVolume(sf.FixSize(out), vol)
if reverse:
out = sf.Reverse(out)
return compress(out).keep()
def additive_resonance(power, qCorrect, saturate, rollOff, post, limit, seed, flat, harmonics, length, freq):
lowComp = freq < 128
if lowComp:
freq *= 2.0
length *= 0.5
@sf_parallel
def doWind(lenth, hfq, vol, reverse=False):
with SFMemoryZone():
out = _distant_wind(length, hfq, qCorrect, limit, seed)
out = sf.Power(out, power)
if saturate:
os = sf.Saturate(sf.NumericVolume(sf.FixSize(+out), 2.0))
out = sf.Mix(sf.NumericVolume(out, 1.0-saturate), sf.NumericVolume(os, saturate))
out = sf.Realise(out)
out = sf.NumericVolume(sf.FixSize(out), vol)
if reverse:
out = sf.Reverse(out)
return compress(out).keep()
harms = []
base = compress(sf.Silence(length))
sigs = []
for harm in harmonics:
hfreq = harm * freq
if hfreq > 18000.0:
break
harms.append(harm)
vol = 1.0 / (pow(harm, rollOff))
if flat:
sfw = doWind(length, hfreq, vol)
srv = doWind(length, hfreq, vol, reverse=True)
sigs += [sfw, srv]
else:
sigs += [doWind(lenth, hfq, vol)]
if len(sigs) > 3:
sigs += [base]
base = sf.Realise(sf.Mix(sigs))
sigs = []
print 'Done Wind'
base = decompress(base)
ret = None
if lowComp:
base=sf.DirectRelength(base, 0.5)
freq *= 0.5
length *= 2.0
ret = sf.Realise(sf.FixSize(sf.Clean(base)))
else:
ret = sf.Realise(sf.FixSize(polish(base,freq)))
return post(ret, length, freq) if post else ret
def additive_resonance(power, qCorrect, saturate, rollOff, post, limit, seed,
flat, harmonics, length, freq):
lowComp = freq < 128
if lowComp:
freq *= 2.0
length *= 0.5
def doWind(length, hfq, vol, reverse=False):
key = (length, _logRoundUp(hfq), vol, reverse)
if key in _resonanceCache:
if random.random() < _CACHE_PROBABILITY:
return _repitch(key[1], hfq,
readSwappedCache(_resonanceCache[key]))
with SFMemoryZone():
# Put in a little extra and then trim it off reliably.
upRatio = key[1] * 1.01 / float(hfq)
out = _distant_wind(length * upRatio, hfq, qCorrect, limit, seed)
out = sf.Power(out, power)
if saturate:
os = sf.Saturate(sf.LinearVolume(sf.FixSize(+out), 2.0))
out = sf.Mix(sf.LinearVolume(out, 1.0 - saturate),
sf.LinearVolume(os, saturate))
out = sf.Realise(out)
out = sf.LinearVolume(sf.FixSize(out), vol)
if reverse:
out = sf.Reverse(out)
ret = compress(out)
if _PERFORM_CACHE:
# Store no more than the length we need which we work out as the
# inverse scale of that used to make the signal. This should
# always give enough signal so out of bounds does not happen.
toCache = _repitch(hfq, key[1], ret, sf.Length(ret) / upRatio)
# FIXME: Figure out how to make this long enough.
# See call to _distant_wind above.
_resonanceCache[key] = writeSawppedCache(toCache)
return toCache.keep()
else:
return ret.keep()
return ret
harms = []
base = compress(sf.Silence(length))
sigs = []
for harm in harmonics:
hfreq = harm * freq
if hfreq > 18000.0:
break
harms.append(harm)
vol = 1.0 / (pow(harm, rollOff))
if flat:
sfw = doWind(length, hfreq, vol)
srv = doWind(length, hfreq, vol, reverse=True)
sigs += [sfw, srv]
else:
sigs += [doWind(lenth, hfq, vol)]
if len(sigs) > 3:
sigs += [base]
base = sf.Realise(sf.Mix(sigs))
sigs = []
base = decompress(base)
ret = None
if lowComp:
base = sf.DirectRelength(base, 0.5)
freq *= 0.5
length *= 2.0
ret = sf.Realise(sf.FixSize(sf.Clean(base)))
else:
ret = sf.Realise(sf.FixSize(polish(base, freq)))
return post(ret, freq) if post else ret
