joachim/openwebrx-clone
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

implement WFM with the new chain elements

Browse Source
This commit is contained in:
Jakob Ketterl
2021-07-25 22:44:53 +02:00
parent 459a99cbf8
commit 75aac5969a
2 changed files with 22 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
csdr/__init__.py
View File

@@ -38,7 +38,7 @@ from csdr.pipe import Pipe
from pycsdr.modules import Buffer
from pycsdr.types import Format
from csdr.chain.demodulator import DemodulatorChain
from csdr.chain.fm import Fm
from csdr.chain.fm import NFm, WFm
from csdr.chain.am import Am
from csdr.chain.ssb import Ssb
from csdr.chain.clientaudio import ClientAudioChain
@@ -127,7 +127,7 @@ class Dsp(DirewolfConfigSubscriber):
def chain(self, which):
if self.pycsdr_enabled:
if which == "nfm":
self.pycsdr_chain = DemodulatorChain(self.samp_rate, self.get_audio_rate(), 0.0, Fm(self.get_audio_rate()))
self.pycsdr_chain = DemodulatorChain(self.samp_rate, self.get_audio_rate(), 0.0, NFm(self.get_audio_rate()))
return self.pycsdr_chain
elif which == "am":
self.pycsdr_chain = DemodulatorChain(self.samp_rate, self.get_audio_rate(), 0.0, Am())
@@ -135,6 +135,9 @@ class Dsp(DirewolfConfigSubscriber):
elif which == "ssb":
self.pycsdr_chain = DemodulatorChain(self.samp_rate, self.get_audio_rate(), 0.0, Ssb())
return self.pycsdr_chain
elif which == "wfm":
self.pycsdr_chain = DemodulatorChain(self.samp_rate, 200000, 0.0, WFm(self.get_audio_rate(), self.wfm_deemphasis_tau))
return self.pycsdr_chain
chain = ["nc -v 127.0.0.1 {nc_port}"]
chain += ["csdr shift_addfast_cc --fifo {shift_pipe}"]
@@ -737,7 +740,8 @@ class Dsp(DirewolfConfigSubscriber):
chain.setInput(self.buffer)
self.pycsdr_client_chain = ClientAudioChain(self.get_audio_rate(), self.get_output_rate(), self.audio_compression)
output_rate = self.get_hd_output_rate() if self.isHdAudio() else self.get_output_rate()
self.pycsdr_client_chain = ClientAudioChain(self.get_audio_rate(), output_rate, self.audio_compression)
buffer = Buffer(chain.getOutputFormat())
chain.setWriter(buffer)
self.pycsdr_client_chain.setInput(buffer)
@@ -745,7 +749,8 @@ class Dsp(DirewolfConfigSubscriber):
outputBuffer = Buffer(self.pycsdr_client_chain.getOutputFormat())
self.pycsdr_client_chain.setWriter(outputBuffer)
self.pycsdr_reader = outputBuffer.getReader()
self.output.send_output("audio", self.pycsdr_reader.read)
audio_type = "hd_audio" if self.isHdAudio() else "audio"
self.output.send_output(audio_type, self.pycsdr_reader.read)
powerBuffer = Buffer(Format.FLOAT)
chain.setPowerWriter(powerBuffer)