pack the client audio processing into its own chain

csdr/chain/clientaudio.py

@@ -0,0 +1,14 @@
+from csdr.chain import Chain
+from pycsdr.modules import AudioResampler, Convert, AdpcmEncoder
+from pycsdr.types import Format
+
+
+class ClientAudioChain(Chain):
+    def __init__(self, inputRate: int, clientRate: int, compression: str):
+        workers = []
+        if inputRate != clientRate:
+            workers += [AudioResampler(inputRate, clientRate)]
+        workers += [Convert(Format.FLOAT, Format.SHORT)]
+        if compression == "adpcm":
+            workers += [AdpcmEncoder()]
+        super().__init__(*workers)