Fixup all local

Software/kw1fox-2/tools/pyaudio.py

@@ -0,0 +1,43 @@
+#!/usr/bin/env python
+
+"""
+Example code from here: https://github.com/dnet/pySSTV/blob/master/pysstv/examples/pyaudio_sstv.py
+"""
+
+
+from __future__ import division
+from pysstv.sstv import SSTV
+from time import sleep
+from itertools import islice
+import struct, pyaudio
+
+
+class PyAudioSSTV(object):
+    def __init__(self, sstv):
+        self.pa = pyaudio.PyAudio()
+        self.sstv = sstv
+        self.fmt = "<" + SSTV.BITS_TO_STRUCT[sstv.bits]
+
+    def __del__(self):
+        self.pa.terminate()
+
+    def execute(self):
+        self.sampler = self.sstv.gen_samples()
+        stream = self.pa.open(
+            format=self.pa.get_format_from_width(self.sstv.bits // 8),
+            channels=1,
+            rate=self.sstv.samples_per_sec,
+            output=True,
+            stream_callback=self.callback,
+        )
+        stream.start_stream()
+        while stream.is_active():
+            sleep(0.5)
+        stream.stop_stream()
+        stream.close()
+
+    def callback(self, in_data, frame_count, time_info, status):
+        frames = "".join(
+            struct.pack(self.fmt, b) for b in islice(self.sampler, frame_count)
+        )
+        return frames, pyaudio.paContinue