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implement DRM mode with dream

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This commit is contained in:
Jakob Ketterl 2020-09-04 18:09:02 +02:00
parent bec02795b8
commit 2411929455
3 changed files with 16 additions and 2 deletions
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13
csdr/csdr.py
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@ -249,6 +249,10 @@ class dsp(object):
"csdr agc_s16 --max 30 --initial 3",
"sox -t raw -r 8000 -e signed-integer -b 16 -c 1 --buffer 32 - -t raw -r {output_rate} -e signed-integer -b 16 -c 1 - ",
]
elif self.isDrm(which):
chain += last_decimation_block
chain += ["csdr convert_f_s16"]
chain += ["dream -c 6 --sigsrate 48000 -w test.wav -I - -O -"]
elif which == "ssb":
chain += ["csdr realpart_cf"]
chain += last_decimation_block
@ -534,7 +538,7 @@ class dsp(object):
return self.hd_output_rate
def get_audio_rate(self):
if self.isDigitalVoice() or self.isPacket() or self.isPocsag():
if self.isDigitalVoice() or self.isPacket() or self.isPocsag() or self.isDrm():
return 48000
elif self.isWsjtMode() or self.isJs8():
return 12000
@ -577,7 +581,12 @@ class dsp(object):
def isHdAudio(self, demodulator=None):
if demodulator is None:
demodulator = self.get_demodulator()
return demodulator == "wfm"
return demodulator in ["wfm", "drm"]
def isDrm(self, demodulator=None):
if demodulator is None:
demodulator = self.get_demodulator()
return demodulator == "drm"
def set_output_rate(self, output_rate):
if self.output_rate == output_rate:

4
owrx/feature.py
View File

@ -45,6 +45,7 @@ class FeatureDetector(object):
"packet": ["direwolf", "sox"],
"pocsag": ["digiham", "sox"],
"js8call": ["js8", "sox"],
"drm": ["dream"],
}
def feature_availability(self):
@ -435,3 +436,6 @@ class FeatureDetector(object):
You can find the codec2 source code [here](https://github.com/drowe67/codec2).
"""
return self.command_is_runnable("freedv_rx")
def has_dream(self):
return self.command_is_runnable("dream")

1
owrx/modes.py
View File

@ -50,6 +50,7 @@ class Modes(object):
AnalogMode("nxdn", "NXDN", bandpass=Bandpass(-3250, 3250), requirements=["digital_voice_dsd"], squelch=False),
AnalogMode("ysf", "YSF", bandpass=Bandpass(-4000, 4000), requirements=["digital_voice_digiham"], squelch=False),
AnalogMode("freedv", "FreeDV", bandpass=Bandpass(300, 3000), requirements=["digital_voice_freedv"], squelch=False),
AnalogMode("drm", "DRM", bandpass=Bandpass(-5000, 5000), requirements=["drm"], squelch=False),
DigitalMode("bpsk31", "BPSK31", underlying=["usb"]),
DigitalMode("bpsk63", "BPSK63", underlying=["usb"]),
DigitalMode("ft8", "FT8", underlying=["usb"], requirements=["wsjt-x"], service=True),