def fradosify(path, outfp, delta):
print >>sys.stderr, 'reading: %r' % path
ratio = pow(2, delta/12.0)
src = WaveReader(path)
if src.nchannels != 1: raise ValueError('invalid number of channels')
if src.sampwidth != 2: raise ValueError('invalid sampling width')
dst = WaveWriter(outfp, framerate=src.framerate)
contour = PitchContour(src.framerate)
contour.load(src)
def f(t):
x = contour.getavg(t)
if x is not None:
x = int(x*ratio)
return x
src.seek(0)
dst.write(psola(src.read(), src.framerate, contour.getsrc, f, contour.wmin))
src.close()
dst.close()
return
def main(argv):
import getopt
def usage():
print 'usage: %s [-f] [-o out.wav] [-m maxlength] [expr]' % argv[0]
return 100
try:
(opts, args) = getopt.getopt(argv[1:], 'fo:m:')
except getopt.GetoptError:
return usage()
force = False
maxlength = 10
path = 'out.wav'
for (k, v) in opts:
if k == '-f': force = True
elif k == '-o': path = v
elif k == '-m': maxlength = float(v)
if not args: return usage()
if not force and os.path.exists(path): raise IOError(path)
fp = open(path, 'wb')
stream = WaveWriter(fp)
expr = args.pop(0)
gen = WaveGenerator(stream.framerate)
vars = {
'add': gen.add,
'mult': gen.mult,
'amp': gen.amp,
'concat': gen.concat,
'mix': gen.mix,
'clip': gen.clip,
'env': gen.env,
'sine': gen.sine,
'rect': gen.rect,
'saw': gen.saw,
'noise': gen.noise,
}
wav = eval(expr, vars, {})
stream.write(gen.clip(wav, maxlength))
stream.close()
fp.close()
return 0
def main(argv):
import getopt
import fileinput
def usage():
print 'usage: %s [-v] [-o out.wav] [script ...]' % argv[0]
return 100
def getv(v):
try:
if '.' in v:
return float(v)
else:
return int(v)
except ValueError:
return 0
try:
(opts, args) = getopt.getopt(argv[1:], 'vo:')
except getopt.GetoptError:
return usage()
verbose = 0
outfp = None
for (k, v) in opts:
if k == '-v': verbose += 1
elif k == '-o': outfp = open(v, 'wb')
#
if not args: return usage()
path = args.pop(0)
src = WaveReader(path)
#
waves = []
for line in fileinput.input(args):
(line,_,_) = line.partition('#')
line = line.strip()
if not line: continue
(t,dur,path) = line.split('\t')
t = getv(t)
dur = getv(dur)
wav = WaveReader(path)
assert wav.nchannels == src.nchannels
assert wav.sampwidth == src.sampwidth
#assert wav.framerate == src.framerate
if isinstance(t, float):
t = int(t*src.framerate)
if isinstance(dur, float):
dur = int(dur*src.framerate)
buf = wav.read(dur)
wav.close()
waves.append((t, buf))
waves.append((src.nframes, []))
#
if outfp is not None:
dst = WaveWriter(outfp,
nchannels=src.nchannels,
sampwidth=src.sampwidth,
framerate=src.framerate)
else:
dst = WavePlayer(nchannels=src.nchannels,
sampwidth=src.sampwidth,
framerate=src.framerate)
#
t0 = 0
bufs = []
for (t1,buf1) in sorted(waves, key=lambda (t,_): t):
dt = (t1-t0)*dst.nchannels
tmp = [src.read(t1-t0)]
assert len(tmp[0]) == dt
for (i,b) in enumerate(bufs):
if dt <= len(b):
tmp.append(b[:dt])
else:
tmp.append(b+[0]*(dt-len(b)))
bufs[i] = b[dt:]
bufs.append(buf1)
bufs = [ b for b in bufs if b ]
dst.write(mix(tmp))
t0 = t1
#
dst.close()
if outfp is not None:
outfp.close()
return
def main(argv):
import getopt
import fileinput
def usage():
print 'usage: %s [-v] [-o out.wav] [script ...]' % argv[0]
return 100
def getv(v):
try:
if '.' in v:
return float(v)
else:
return int(v)
except ValueError:
return 0
try:
(opts, args) = getopt.getopt(argv[1:], 'vo:')
except getopt.GetoptError:
return usage()
verbose = 0
outfp = None
for (k, v) in opts:
if k == '-v': verbose += 1
elif k == '-o': outfp = open(v, 'wb')
#
if not args: return usage()
path = args.pop(0)
src = WaveReader(path)
#
waves = []
for line in fileinput.input(args):
(line, _, _) = line.partition('#')
line = line.strip()
if not line: continue
(t, dur, path) = line.split('\t')
t = getv(t)
dur = getv(dur)
wav = WaveReader(path)
assert wav.nchannels == src.nchannels
assert wav.sampwidth == src.sampwidth
#assert wav.framerate == src.framerate
if isinstance(t, float):
t = int(t * src.framerate)
if isinstance(dur, float):
dur = int(dur * src.framerate)
buf = wav.read(dur)
wav.close()
waves.append((t, buf))
waves.append((src.nframes, []))
#
if outfp is not None:
dst = WaveWriter(outfp,
nchannels=src.nchannels,
sampwidth=src.sampwidth,
framerate=src.framerate)
else:
dst = WavePlayer(nchannels=src.nchannels,
sampwidth=src.sampwidth,
framerate=src.framerate)
#
t0 = 0
bufs = []
for (t1, buf1) in sorted(waves, key=lambda (t, _): t):
dt = (t1 - t0) * dst.nchannels
tmp = [src.read(t1 - t0)]
assert len(tmp[0]) == dt
for (i, b) in enumerate(bufs):
if dt <= len(b):
tmp.append(b[:dt])
else:
tmp.append(b + [0] * (dt - len(b)))
bufs[i] = b[dt:]
bufs.append(buf1)
bufs = [b for b in bufs if b]
dst.write(mix(tmp))
t0 = t1
#
dst.close()
if outfp is not None:
outfp.close()
return