fix dial frequencies

csdr/chain/demodulator.py

@@ -1,13 +1,9 @@
-from pycsdr.modules import Reader
 from csdr.chain import Chain
 from abc import ABC, abstractmethod
 
 
 class BaseDemodulatorChain(Chain):
-    def getFixedIfSampleRate(self):
-        return None
-
-    def supportsSquelch(self):
+    def supportsSquelch(self) -> bool:
         return True
 
 
@@ -17,14 +13,20 @@ class SecondaryDemodulator(Chain):
 
 class FixedAudioRateChain(ABC):
     @abstractmethod
-    def getFixedAudioRate(self):
+    def getFixedAudioRate(self) -> int:
         pass
 
 
 class FixedIfSampleRateChain(ABC):
     @abstractmethod
-    def getFixedIfSampleRate(self):
-        return self.fixedIfSampleRate
+    def getFixedIfSampleRate(self) -> int:
+        pass
+
+
+class DialFrequencyReceiver(ABC):
+    @abstractmethod
+    def setDialFrequency(self, frequency: int) -> None:
+        pass
 
 
 # marker interface

csdr/chain/digimodes.py

@@ -1,14 +1,18 @@
-from csdr.chain.demodulator import SecondaryDemodulator, FixedAudioRateChain
+from csdr.chain.demodulator import SecondaryDemodulator, FixedAudioRateChain, DialFrequencyReceiver
 from owrx.audio.chopper import AudioChopper
 from pycsdr.modules import Agc, Convert
 from pycsdr.types import Format
 
 
-class AudioChopperDemodulator(SecondaryDemodulator, FixedAudioRateChain):
+class AudioChopperDemodulator(SecondaryDemodulator, FixedAudioRateChain, DialFrequencyReceiver):
     # TODO parser typing
     def __init__(self, mode: str, parser):
-        workers = [Convert(Format.FLOAT, Format.SHORT), AudioChopper(mode, parser)]
+        self.chopper = AudioChopper(mode, parser)
+        workers = [Convert(Format.FLOAT, Format.SHORT), self.chopper]
         super().__init__(workers)
 
     def getFixedAudioRate(self):
         return 12000
+
+    def setDialFrequency(self, frequency: int) -> None:
+        self.chopper.setDialFrequency(frequency)

owrx/audio/chopper.py

@@ -3,6 +3,7 @@ from itertools import groupby
 import threading
 from owrx.audio import ProfileSourceSubscriber
 from owrx.audio.wav import AudioWriter
+from owrx.audio.queue import QueueJob
 from csdr.chain import Chain
 import pickle
 
@@ -16,6 +17,7 @@ class AudioChopper(threading.Thread, Chain, ProfileSourceSubscriber):
     # TODO parser typing
     def __init__(self, mode_str: str, parser):
         self.parser = parser
+        self.dialFrequency = None
         self.doRun = True
         self.writers = []
         mode = Modes.findByModulation(mode_str)
@@ -72,7 +74,14 @@ class AudioChopper(threading.Thread, Chain, ProfileSourceSubscriber):
         logger.debug("profile change received, resetting writers...")
         self.setup_writers()
 
-    def send(self, profile, line):
-        data = self.parser.parse(profile, line)
+    def setDialFrequency(self, frequency: int) -> None:
+        self.dialFrequency = frequency
+
+    def createJob(self, profile, filename):
+        return QueueJob(profile, self.dialFrequency, self, filename)
+
+    def sendResult(self, result):
+        for line in result.lines:
+            data = self.parser.parse(result.profile, result.frequency, line)
             if data is not None and self.writer is not None:
                 self.writer.write(pickle.dumps(data))

owrx/audio/queue.py

@@ -12,9 +12,17 @@ logger = logging.getLogger(__name__)
 logger.setLevel(logging.INFO)
 
 
-class QueueJob(object):
-    def __init__(self, profile, writer, file):
+class QueueJobResult:
+    def __init__(self, profile, frequency, lines):
         self.profile = profile
+        self.frequency = frequency
+        self.lines = lines
+
+
+class QueueJob(object):
+    def __init__(self, profile, frequency, writer, file):
+        self.profile = profile
+        self.frequency = frequency
         self.writer = writer
         self.file = file
 
@@ -27,13 +35,18 @@ class QueueJob(object):
             cwd=tmp_dir,
             close_fds=True,
             )
+        lines = None
         try:
-            for line in decoder.stdout:
-                self.writer.send(self.profile, line)
-        except (OSError, AttributeError):
+            lines = [l for l in decoder.stdout]
+        except OSError:
             decoder.stdout.flush()
             # TODO uncouple parsing from the output so that decodes can still go to the map and the spotters
             logger.debug("output has gone away while decoding job.")
+
+        # keep this out of the try/except
+        if lines is not None:
+            self.writer.sendResult(QueueJobResult(self.profile, self.frequency, lines))
+
         try:
             rc = decoder.wait(timeout=10)
             if rc != 0:

owrx/audio/wav.py

@@ -1,6 +1,6 @@
 from owrx.config.core import CoreConfig
 from owrx.audio import AudioChopperProfile
-from owrx.audio.queue import QueueJob, DecoderQueue
+from owrx.audio.queue import DecoderQueue
 import threading
 import wave
 import os
@@ -47,8 +47,8 @@ class WaveFile(object):
 
 
 class AudioWriter(object):
-    def __init__(self, outputWriter, interval, profiles: List[AudioChopperProfile]):
-        self.outputWriter = outputWriter
+    def __init__(self, chopper, interval, profiles: List[AudioChopperProfile]):
+        self.chopper = chopper
         self.interval = interval
         self.profiles = profiles
         self.wavefile = None
@@ -101,7 +101,7 @@ class AudioWriter(object):
                 logger.exception("Error while linking job files")
                 continue
 
-            job = QueueJob(profile, self.outputWriter, filename)
+            job = self.chopper.createJob(profile, filename)
             try:
                 DecoderQueue.getSharedInstance().put(job)
             except Full:

owrx/dsp.py

@@ -9,7 +9,7 @@ from owrx.property.validators import OrValidator, RegexValidator, BoolValidator
 from owrx.modes import Modes
 from csdr.output import Output
 from csdr.chain import Chain
-from csdr.chain.demodulator import BaseDemodulatorChain, FixedIfSampleRateChain, FixedAudioRateChain, HdAudio, SecondaryDemodulator
+from csdr.chain.demodulator import BaseDemodulatorChain, FixedIfSampleRateChain, FixedAudioRateChain, HdAudio, SecondaryDemodulator, DialFrequencyReceiver
 from csdr.chain.selector import Selector
 from csdr.chain.clientaudio import ClientAudioChain
 from csdr.chain.analog import NFm, WFm, Am, Ssb
@@ -38,6 +38,8 @@ class ClientDemodulatorChain(Chain):
         self.audioBuffer = None
         self.demodulator = demod
         self.secondaryDemodulator = None
+        self.centerFrequency = None
+        self.frequencyOffset = None
         inputRate = demod.getFixedAudioRate() if isinstance(demod, FixedAudioRateChain) else outputRate
         oRate = hdOutputRate if isinstance(demod, HdAudio) else outputRate
         self.clientAudioChain = ClientAudioChain(demod.getOutputFormat(), inputRate, oRate, audioCompression)
@@ -132,6 +134,7 @@ class ClientDemodulatorChain(Chain):
             rate = self.outputRate
         self.selector.setOutputRate(rate)
         self.clientAudioChain.setInputRate(rate)
+        self._updateDialFrequency()
 
         if self.secondaryDemodulator is not None:
             self.secondaryDemodulator.setReader(self.audioBuffer.getReader())
@@ -157,9 +160,28 @@ class ClientDemodulatorChain(Chain):
         self.selector.setBandpass(lowCut, highCut)
 
     def setFrequencyOffset(self, offset: int) -> None:
+        if offset == self.frequencyOffset:
+            return
+        self.frequencyOffset = offset
+
         shift = -offset / self.sampleRate
         self.selector.setShiftRate(shift)
 
+        self._updateDialFrequency()
+
+    def setCenterFrequency(self, frequency: int) -> None:
+        if frequency == self.centerFrequency:
+            return
+        self.centerFrequency = frequency
+        self._updateDialFrequency()
+
+    def _updateDialFrequency(self):
+        if self.centerFrequency is None or self.frequencyOffset is None:
+            return
+        dialFrequency = self.centerFrequency + self.frequencyOffset
+        if isinstance(self.secondaryDemodulator, DialFrequencyReceiver):
+            self.secondaryDemodulator.setDialFrequency(dialFrequency)
+
     def setAudioCompression(self, compression: str) -> None:
         self.clientAudioChain.setAudioCompression(compression)
 
@@ -368,8 +390,7 @@ class DspManager(Output, SdrSourceEventClient):
             self.props.wireProperty("output_rate", self.chain.setOutputRate),
             self.props.wireProperty("hd_output_rate", self.chain.setHdOutputRate),
             self.props.wireProperty("offset_freq", self.chain.setFrequencyOffset),
-            # TODO check, this was used for wsjt-x
-            # self.props.wireProperty("center_freq", self.dsp.set_center_freq),
+            self.props.wireProperty("center_freq", self.chain.setCenterFrequency),
             self.props.wireProperty("squelch_level", self.chain.setSquelchLevel),
             self.props.wireProperty("low_cut", self.chain.setLowCut),
             self.props.wireProperty("high_cut", self.chain.setHighCut),

owrx/service/__init__.py

@@ -16,7 +16,7 @@ from owrx.service.schedule import ServiceScheduler
 from owrx.service.chain import ServiceDemodulatorChain
 from owrx.modes import Modes, DigitalMode
 from typing import Union
-from csdr.chain.demodulator import BaseDemodulatorChain, SecondaryDemodulator, FixedAudioRateChain
+from csdr.chain.demodulator import BaseDemodulatorChain, SecondaryDemodulator, DialFrequencyReceiver
 from csdr.chain.analog import NFm, Ssb
 from csdr.chain.digimodes import AudioChopperDemodulator
 
@@ -310,6 +310,8 @@ class ServiceHandler(SdrSourceEventClient):
         sampleRate = source.getProps()["samp_rate"]
         shift = (center_freq - frequency) / sampleRate
         bandpass = modeObject.get_bandpass()
+        if isinstance(secondaryDemod, DialFrequencyReceiver):
+            secondaryDemod.setDialFrequency(frequency)
 
         chain = ServiceDemodulatorChain(demod, secondaryDemod, sampleRate, shift)
         chain.setBandPass(bandpass.low_cut, bandpass.high_cut)
@@ -339,7 +341,6 @@ class ServiceHandler(SdrSourceEventClient):
         return None
 
 
-
 class WsjtHandler(object):
     def write_wsjt_message(self, msg):
         pass

owrx/wsjt.py

@@ -245,10 +245,10 @@ class Q65Profile(WsjtProfile):
 
 
 class WsjtParser:
-    def parse(self, profile, raw_msg):
+    def parse(self, profile, freq, raw_msg):
         try:
-            # TODO get the frequency back from somewhere
-            freq = 14074000
+            band = None
+            if freq is not None:
                 band = Bandplan.getSharedInstance().findBand(freq)
 
             msg = raw_msg.decode().rstrip()