80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
from owrx.config import Config
|
|
from csdr import csdr
|
|
import threading
|
|
from owrx.source import SdrSource, SdrSourceEventClient
|
|
from owrx.property import PropertyStack
|
|
|
|
import logging
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class SpectrumThread(csdr.output, SdrSourceEventClient):
|
|
def __init__(self, sdrSource):
|
|
self.sdrSource = sdrSource
|
|
super().__init__()
|
|
|
|
stack = PropertyStack()
|
|
stack.addLayer(0, self.sdrSource.props)
|
|
stack.addLayer(1, Config.get())
|
|
self.props = props = stack.filter(
|
|
"samp_rate",
|
|
"fft_size",
|
|
"fft_fps",
|
|
"fft_voverlap_factor",
|
|
"fft_compression",
|
|
"csdr_dynamic_bufsize",
|
|
"csdr_print_bufsizes",
|
|
"csdr_through",
|
|
"temporary_directory",
|
|
)
|
|
|
|
self.dsp = dsp = csdr.dsp(self)
|
|
dsp.nc_port = self.sdrSource.getPort()
|
|
dsp.setSocketClient(self.sdrSource.getSocketClient())
|
|
dsp.set_demodulator("fft")
|
|
|
|
self.subscriptions = [
|
|
props.wireProperty("samp_rate", dsp.set_samp_rate),
|
|
props.wireProperty("fft_size", dsp.set_fft_size),
|
|
props.wireProperty("fft_fps", dsp.set_fft_fps),
|
|
props.wireProperty("fft_compression", dsp.set_fft_compression),
|
|
props.wireProperty("temporary_directory", dsp.set_temporary_directory),
|
|
props.wireProperty("fft_voverlap_factor", dsp.set_fft_voverlap_factor),
|
|
]
|
|
|
|
dsp.csdr_dynamic_bufsize = props["csdr_dynamic_bufsize"]
|
|
dsp.csdr_print_bufsizes = props["csdr_print_bufsizes"]
|
|
dsp.csdr_through = props["csdr_through"]
|
|
logger.debug("Spectrum thread initialized successfully.")
|
|
|
|
def start(self):
|
|
self.sdrSource.addClient(self)
|
|
if self.sdrSource.isAvailable():
|
|
self.dsp.start()
|
|
|
|
def supports_type(self, t):
|
|
return t == "audio"
|
|
|
|
def receive_output(self, type, read_fn):
|
|
threading.Thread(target=self.pump(read_fn, self.sdrSource.writeSpectrumData)).start()
|
|
|
|
def stop(self):
|
|
self.dsp.stop()
|
|
self.sdrSource.removeClient(self)
|
|
for c in self.subscriptions:
|
|
c.cancel()
|
|
self.subscriptions = []
|
|
|
|
def getClientClass(self):
|
|
return SdrSource.CLIENT_USER
|
|
|
|
def onStateChange(self, state):
|
|
if state in [SdrSource.STATE_STOPPING, SdrSource.STATE_FAILED]:
|
|
self.dsp.stop()
|
|
elif state == SdrSource.STATE_RUNNING:
|
|
self.dsp.start()
|
|
|
|
def onBusyStateChange(self, state):
|
|
pass
|