def showFeatures(h5file):
fdict = yaafe.readH5FeatureDescriptions(h5file)
if len(fdict) == 0:
print('%s contains no yaafe features' % h5file)
return
for name, fd in iteritems(fdict):
print('%s [%ix%i] %iHz:' % (name, fd['dim'], fd['nbframes'],
fd['sampleRate']))
print(' - blockSize = %i' % fd['blockSize'])
print(' - stepSize = %i' % fd['stepSize'])
for key, val in iteritems(fd['attrs']):
print(' - %s = "%s"' % (key, val))
print('')
def showFeatures(h5file):
fdict = yaafe.readH5FeatureDescriptions(h5file)
if len(fdict) == 0:
print('%s contains no yaafe features' % h5file)
return
for name, fd in iteritems(fdict):
print('%s [%ix%i] %iHz:' %
(name, fd['dim'], fd['nbframes'], fd['sampleRate']))
print(' - blockSize = %i' % fd['blockSize'])
print(' - stepSize = %i' % fd['stepSize'])
for key, val in iteritems(fd['attrs']):
print(' - %s = "%s"' % (key, val))
print('')
def _safe_get_dataflow(cls, params, samplerate):
# filter parameters and set missing parameters with default values
for k, v in iteritems(params):
if not k in [key for (key, _, _) in
cls._EXPOSED_PARAM_DESCRIPTORS]:
print('WARNING: unknown parameter %s for feature %s !' % (
k, cls.__name__))
filt_params = dict([
(name, str(params.get(name, default)))
for (name, default, desc) in cls._EXPOSED_PARAM_DESCRIPTORS])
# build dataflow
df = f(cls, filt_params, samplerate)
# automatically add library dependency
for l in cls.COMPONENT_LIBS:
df.useComponentLibrary(l)
return df
def _safe_get_dataflow(cls, params, samplerate):
# filter parameters and set missing parameters with default values
for k, v in iteritems(params):
if not k in [
key for (key, _, _) in cls._EXPOSED_PARAM_DESCRIPTORS
]:
print('WARNING: unknown parameter %s for feature %s !' %
(k, cls.__name__))
filt_params = dict([(name, str(params.get(name, default)))
for (name, default,
desc) in cls._EXPOSED_PARAM_DESCRIPTORS])
# build dataflow
df = f(cls, filt_params, samplerate)
# automatically add library dependency
for l in cls.COMPONENT_LIBS:
df.useComponentLibrary(l)
return df
def setOutputFormat(self, format, outDir, params):
"""
Set output format.
:param format: format to set
:type format: string
:param outDir: base output directory for output files
:type outDir: string
:param params: format parameters
:type params: dict
:return: True if ok, False if format does not exists.
"""
if not AudioFileProcessor._YAAFE_IO_LOADED:
AudioFileProcessor._YAAFE_IO_LOADED = (
loadComponentLibrary('yaafe-io') == 0)
tmp = ((c_char_p * 2) * (len(params) + 1))()
tmp[:-1] = [(c_char_p * 2)(c_char_p(to_char(k)), c_char_p(to_char(v)))
for k, v in iteritems(params)]
if yc.audiofileprocessor_setOutputFormat(self.ptr, to_char(format),
to_char(outDir), tmp):
return True
return False
def setOutputFormat(self, format, outDir, params):
"""
Set output format.
:param format: format to set
:type format: string
:param outDir: base output directory for output files
:type outDir: string
:param params: format parameters
:type params: dict
:return: True if ok, False if format does not exists.
"""
if not AudioFileProcessor._YAAFE_IO_LOADED:
AudioFileProcessor._YAAFE_IO_LOADED = (
loadComponentLibrary('yaafe-io') == 0)
tmp = ((c_char_p*2)*(len(params)+1))()
tmp[:-1] = [(c_char_p*2)(c_char_p(to_char(k)), c_char_p(to_char(v)))
for k, v in iteritems(params)]
if yc.audiofileprocessor_setOutputFormat(self.ptr, to_char(format),
to_char(outDir), tmp):
return True
return False
def __repr__(self):
return 'DataFlowNode: %s %s' % (
self.componentId(),
' '.join(['%s=%s' % (k, v) for k, v in iteritems(self.params())]))
def createNode(self, componentId, params):
tmp = ((c_char_p*2)*(len(params)+1))()
tmp[:-1] = [(c_char_p*2)(c_char_p(to_char(k)), c_char_p(to_char(v)))
for k, v in iteritems(params)]
return DataFlowNode(yc.dataflow_createNode(self.ptr,
to_char(componentId), tmp))
def __repr__(self):
return 'DataFlowNode: %s %s' % (self.componentId(), ' '.join(
['%s=%s' % (k, v) for k, v in iteritems(self.params())]))
def createNode(self, componentId, params):
tmp = ((c_char_p * 2) * (len(params) + 1))()
tmp[:-1] = [(c_char_p * 2)(c_char_p(to_char(k)), c_char_p(to_char(v)))
for k, v in iteritems(params)]
return DataFlowNode(
yc.dataflow_createNode(self.ptr, to_char(componentId), tmp))