openwebrx-clone/csdr/chain/freedv.py

29 lines
815 B
Python

from csdr.chain.demodulator import BaseDemodulatorChain, FixedIfSampleRateChain, FixedAudioRateChain
from owrx.freedv import FreeDVModule
from pycsdr.modules import RealPart, Agc, Convert
from pycsdr.types import Format
class FreeDV(BaseDemodulatorChain, FixedIfSampleRateChain, FixedAudioRateChain):
def __init__(self):
agc = Agc(Format.SHORT)
agc.setMaxGain(30)
agc.setInitialGain(3)
workers = [
RealPart(),
Agc(Format.FLOAT),
Convert(Format.FLOAT, Format.SHORT),
FreeDVModule(),
agc,
]
super().__init__(workers)
def getFixedIfSampleRate(self) -> int:
return 8000
def getFixedAudioRate(self) -> int:
return 8000
def supportsSquelch(self) -> bool:
return False