class DSDDemodulator(gr.hier_block2, ExportedState):
def __init__(self, mode, input_rate=0, context=None):
assert input_rate > 0
gr.hier_block2.__init__(self,
type(self).__name__,
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_float))
# TODO: Retry telling the NFMDemodulator to have its output rate be pipe_rate instead of using a resampler. Something went wrong when trying that before. Same thing is done in multimon.py
self.__fm_demod = NFMDemodulator(
mode='NFM',
input_rate=input_rate,
no_audio_filter=True, # don't remove CTCSS tone
tau=None) # no deemphasis
assert self.__fm_demod.get_output_type().get_kind() == 'MONO'
fm_audio_rate = self.__fm_demod.get_output_type().get_sample_rate()
self.__output_type = SignalType(kind='MONO', sample_rate=8000)
self.connect(self, self.__fm_demod,
make_resampler(fm_audio_rate, _demod_rate),
dsd_block_ff(), self)
@exported_value(type=ReferenceT(), changes='never')
def get_fm_demod(self):
return self.__fm_demod
def get_output_type(self):
return self.__output_type
@exported_value(type=BandShape, changes='never')
def get_band_shape(self):
return self.__fm_demod.get_band_shape()
class FMAPRSDemodulator(gr.hier_block2, ExportedState):
def __init__(self, mode, input_rate=0, context=None):
assert input_rate > 0
assert context is not None
gr.hier_block2.__init__(
self, str(mode) + b' (FM + Multimon-NG) demodulator',
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
gr.io_signature(1, 1, gr.sizeof_float * 1),
)
self.mode = mode
self.input_rate = input_rate
# FM demod
# TODO: Retry telling the NFMDemodulator to have its output rate be pipe_rate instead of using a resampler. Something went wrong when trying that before. Same thing is done in dsd.py
self.fm_demod = NFMDemodulator(
mode='NFM',
input_rate=input_rate,
no_audio_filter=True, # don't remove CTCSS tone
tau=None) # no deemphasis
assert self.fm_demod.get_output_type().get_kind() == 'MONO'
fm_audio_rate = self.fm_demod.get_output_type().get_sample_rate()
# Subprocess
self.mm_demod = APRSDemodulator(context=context)
mm_audio_rate = self.mm_demod.get_input_type().get_sample_rate()
# Output
self.connect(
self,
self.fm_demod,
make_resampler(fm_audio_rate, mm_audio_rate),
self.mm_demod,
self)
def _close(self):
# TODO: This never gets called except in tests. Do this better, like by having an explicit life cycle for demodulators.
self.mm_demod._close()
@exported_value(type=BandShape, changes='never')
def get_band_shape(self):
return self.fm_demod.get_band_shape()
def get_output_type(self):
return self.mm_demod.get_output_type()
@exported_value(type=ReferenceT(), changes='never')
def get_mm_demod(self):
return self.mm_demod
class FMAPRSDemodulator(gr.hier_block2, ExportedState):
def __init__(self, mode, input_rate=0, context=None):
assert input_rate > 0
assert context is not None
gr.hier_block2.__init__(
self, str(mode) + ' (FM + Multimon-NG) demodulator',
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
gr.io_signature(1, 1, gr.sizeof_float * 1),
)
self.mode = mode
self.input_rate = input_rate
# FM demod
# TODO: Retry telling the NFMDemodulator to have its output rate be pipe_rate instead of using a resampler. Something went wrong when trying that before. Same thing is done in dsd.py
self.fm_demod = NFMDemodulator(
mode='NFM',
input_rate=input_rate,
no_audio_filter=True, # don't remove CTCSS tone
tau=None) # no deemphasis
assert self.fm_demod.get_output_type().get_kind() == 'MONO'
fm_audio_rate = self.fm_demod.get_output_type().get_sample_rate()
# Subprocess
self.mm_demod = APRSDemodulator(context=context)
mm_audio_rate = self.mm_demod.get_input_type().get_sample_rate()
# Output
self.connect(
self,
self.fm_demod,
make_resampler(fm_audio_rate, mm_audio_rate),
self.mm_demod,
self)
@exported_value(type=BandShape, changes='never')
def get_band_shape(self):
return self.fm_demod.get_band_shape()
def get_output_type(self):
return self.mm_demod.get_output_type()
@exported_value(type=ReferenceT(), changes='never')
def get_mm_demod(self):
return self.mm_demod
class DSDDemodulator(gr.hier_block2, ExportedState):
def __init__(self, mode, input_rate=0, context=None):
assert input_rate > 0
gr.hier_block2.__init__(
self, type(self).__name__,
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_float))
# TODO: Retry telling the NFMDemodulator to have its output rate be pipe_rate instead of using a resampler. Something went wrong when trying that before. Same thing is done in multimon.py
self.__fm_demod = NFMDemodulator(
mode='NFM',
input_rate=input_rate,
no_audio_filter=True, # don't remove CTCSS tone
tau=None) # no deemphasis
assert self.__fm_demod.get_output_type().get_kind() == 'MONO'
fm_audio_rate = self.__fm_demod.get_output_type().get_sample_rate()
self.__output_type = SignalType(kind='MONO', sample_rate=8000)
self.connect(
self,
self.__fm_demod,
make_resampler(fm_audio_rate, _demod_rate),
dsd_block_ff(),
self)
@exported_value(type=ReferenceT(), changes='never')
def get_fm_demod(self):
return self.__fm_demod
def get_output_type(self):
return self.__output_type
@exported_value(type=BandShape, changes='never')
def get_band_shape(self):
return self.__fm_demod.get_band_shape()
class DSDDemodulator(gr.hier_block2, ExportedState):
def __init__(self, mode, input_rate=0, uvquality=3, context=None):
assert input_rate > 0
gr.hier_block2.__init__(self,
type(self).__name__,
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_float))
self.__context = context
self.__output_type = SignalType(kind='MONO', sample_rate=8000)
self.__uvquality = uvquality
# TODO: Retry telling the NFMDemodulator to have its output rate be _demod_rate instead of using a resampler. Something went wrong when trying that before. Same thing is done in multimon.py
self.__fm_demod = NFMDemodulator(
mode='NFM',
input_rate=input_rate,
no_audio_filter=True, # don't remove CTCSS tone
tau=None) # no deemphasis
assert self.__fm_demod.get_output_type().get_kind() == 'MONO'
fm_audio_rate = self.__fm_demod.get_output_type().get_sample_rate()
self.__resampler = make_resampler(fm_audio_rate, _demod_rate)
self.__do_connect()
def __do_connect(self):
self.__context.lock()
try:
self.disconnect_all()
if _available_version == 1:
# backwards compatibility
decoder = dsd_block_ff()
else:
decoder = dsd_block_ff(
# TODO: Add controls to choose frame and mod options at runtime — need to be able to get the enum info from gr-dsd, which may not even be currently available.
frame=dsd.dsd_FRAME_AUTO_DETECT,
mod=dsd.dsd_MOD_AUTO_SELECT,
uvquality=self.__uvquality,
errorbars=_debug_print,
verbosity=2 if _debug_print else 0)
self.connect(self, self.__fm_demod, self.__resampler, decoder,
self)
finally:
self.__context.unlock()
@exported_value(type=ReferenceT(), changes='never')
def get_fm_demod(self):
return self.__fm_demod
if _available_version >= 2:
@exported_value(type=_uvquality_range,
changes='this_setter',
label='Unvoiced speech quality',
parameter='uvquality')
def get_uvquality(self):
return self.__uvquality
@setter
def set_uvquality(self, value):
value = _uvquality_range(value)
if self.__uvquality != value:
self.__uvquality = value
self.__do_connect()
def get_output_type(self):
return self.__output_type
@exported_value(type=BandShape, changes='never')
def get_band_shape(self):
return self.__fm_demod.get_band_shape()
class DSDDemodulator(gr.hier_block2, ExportedState):
def __init__(self, mode, input_rate=0, uvquality=3, context=None):
assert input_rate > 0
gr.hier_block2.__init__(
self, type(self).__name__,
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_float))
self.__context = context
self.__output_type = SignalType(kind='MONO', sample_rate=8000)
self.__uvquality = uvquality
# TODO: Retry telling the NFMDemodulator to have its output rate be _demod_rate instead of using a resampler. Something went wrong when trying that before. Same thing is done in multimon.py
self.__fm_demod = NFMDemodulator(
mode='NFM',
input_rate=input_rate,
no_audio_filter=True, # don't remove CTCSS tone
tau=None) # no deemphasis
assert self.__fm_demod.get_output_type().get_kind() == 'MONO'
fm_audio_rate = self.__fm_demod.get_output_type().get_sample_rate()
self.__resampler = make_resampler(fm_audio_rate, _demod_rate)
self.__do_connect(False)
def __do_connect(self, not_init):
# TODO: figure out why tests, but not the real server, have a hanging problem if we lock always
if not_init: self.__context.lock()
try:
self.disconnect_all()
if _available_version == 1:
# backwards compatibility
decoder = dsd_block_ff()
else:
decoder = dsd_block_ff(
# TODO: Add controls to choose frame and mod options at runtime — need to be able to get the enum info from gr-dsd, which may not even be currently available.
frame=dsd.dsd_FRAME_AUTO_DETECT,
mod=dsd.dsd_MOD_AUTO_SELECT,
uvquality=self.__uvquality,
errorbars=_debug_print,
verbosity=2 if _debug_print else 0)
self.connect(
self,
self.__fm_demod,
self.__resampler,
decoder,
self)
finally:
if not_init: self.__context.unlock()
@exported_value(type=ReferenceT(), changes='never')
def get_fm_demod(self):
return self.__fm_demod
if _available_version and _available_version >= 2:
@exported_value(type=_uvquality_range,
changes='this_setter',
label='Unvoiced speech quality',
parameter='uvquality')
def get_uvquality(self):
return self.__uvquality
@setter
def set_uvquality(self, value):
value = _uvquality_range(value)
if self.__uvquality != value:
self.__uvquality = value
self.__do_connect(True)
def get_output_type(self):
return self.__output_type
@exported_value(type=BandShape, changes='never')
def get_band_shape(self):
return self.__fm_demod.get_band_shape()
