move wsjt/js8 decisions out of csdr

owrx/audio/handler.py

@@ -0,0 +1,22 @@
+from owrx.modes import Modes, AudioChopperMode
+from csdr.output import Output
+from owrx.audio import AudioChopper
+
+
+class AudioHandler(Output):
+    def __init__(self, active_dsp: "csdr.csdr.Dsp", mode: str):
+        self.dsp = active_dsp
+        self.mode = Modes.findByModulation(mode)
+        if mode is None or not isinstance(self.mode, AudioChopperMode):
+            raise ValueError("Mode {} is not an audio chopper mode".format(mode))
+        self.chopper = None
+
+    def supports_type(self, t):
+        return t == "audio"
+
+    def receive_output(self, t, read_fn):
+        self.chopper = AudioChopper(self.dsp, read_fn, *self.mode.getProfiles())
+        self.chopper.start()
+
+    def read(self, *args, **kwargs):
+        return self.chopper.read(*args, **kwargs)