def feed(self, buf, nframes):
self._buf += buf
self._nframes += nframes
i = 0
n = self.wmin/2
while i+self.wmax < self._nframes:
(dmax, mmax) = wavcorr.autocorrs16(self.wmin, self.wmax, self._buf, i)
pitch = self.framerate/dmax
mag = wavcorr.calcmags16(self._buf, i, dmax)
yield (n, mmax, pitch, mag, self._buf[i*2:(i+n)*2])
i += n
self._buf = self._buf[i*2:]
self._nframes -= i
return
def feed(self, buf, nframes):
self._buf += buf
bufmax = len(self._buf) / 2 - self.wmax * 2
step = self.wmin / 2
i = 0
while i < bufmax:
r = wavcorr.autocorrs16(self.wmin, self.wmax, self.threshold_sim,
self.maxitems, self._buf, i)
r = [(w, sim, wavcorr.calcmags16(self._buf, i, w))
for (w, sim) in r]
yield (step, r, self._buf[i * 2:(i + step) * 2])
i += step
self._buf = self._buf[i * 2:]
return
def load(self, buf, nframes):
#print 'detection: %s samples...' % len(wav)
i = 0
while i + self.wmax < nframes:
(dmax, mmax) = wavcorr.autocorrs16(self.wmin, self.wmax, buf, i)
t = self._offset + i
if self.threshold < mmax:
pitch = self.framerate / dmax
self.segments.append(pitch)
else:
self.segments.append(0)
i += self.step
self._offset += nframes
return
def load(self, buf, nframes):
#print 'detection: %s samples...' % len(wav)
i = 0
while i+self.wmax < nframes:
(dmax, mmax) = wavcorr.autocorrs16(self.wmin, self.wmax, buf, i)
t = self._offset + i
if self.threshold < mmax:
pitch = self.framerate/dmax
self.segments.append(pitch)
else:
self.segments.append(0)
i += self.step
self._offset += nframes
return
def feed(self, buf, nframes):
self._buf += buf
self._nframes += nframes
i = 0
n = self.wmin / 2
while i + self.wmax < self._nframes:
(dmax, mmax) = wavcorr.autocorrs16(self.wmin, self.wmax, self._buf,
i)
pitch = self.framerate / dmax
mag = wavcorr.calcmags16(self._buf, i, dmax)
yield (n, mmax, pitch, mag, self._buf[i * 2:(i + n) * 2])
i += n
self._buf = self._buf[i * 2:]
self._nframes -= i
return
def load(self, wav):
#print 'detection: %s samples...' % len(wav)
i = 0
buf = wav.readraw()
while i < len(wav):
(dmax, mmax) = wavcorr.autocorrs16(self.wmin, self.wmax, buf, i)
if self.threshold < mmax:
pitch = self.framerate/dmax
if self._segment is None:
self._segment = self.Segment()
self.segments.append(self._segment)
self._segment.add(self._offset+i, pitch)
i += self.wmin/2
else:
if self._segment is not None:
self._segment.add(self._offset+i, None)
self._segment.finish()
self._segment = None
i += self.wmin/2
self._offset += len(wav)
if self._segment is not None:
self._segment.add(self._offset, None)
self._segment.finish()
return
