2020-06-29 21:11:07 +02:00
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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"""!
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____ ____ ______ __ __ __ _____
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/ __ )/ __ \/ ___/ | / /___ _/ /______/ /_ |__ /
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/ __ / / / /\__ \| | /| / / __ `/ __/ ___/ __ \ /_ <
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/ /_/ / /_/ /___/ /| |/ |/ / /_/ / /_/ /__/ / / / ___/ /
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/_____/\____//____/ |__/|__/\__,_/\__/\___/_/ /_/ /____/
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German BOS Information Script
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by Bastian Schroll
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@file: pulseaudioInput.py
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@date: 18.04.2020, 29.06.2020
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@author: Philipp von Kirschbaum, b-watch
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@description: Input source for PulseAudio
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"""
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import logging
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from boswatch.utils import paths
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from boswatch.processManager import ProcessManager
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from boswatch.inputSource.inputBase import InputBase
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logging.debug("- %s loaded", __name__)
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class PulseAudioInput(InputBase):
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"""!Class for the PulseAudio input source"""
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def _runThread(self, dataQueue, PulseAudioConfig, decoderConfig):
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PulseAudioProc = None
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mmProc = None
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try:
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PulseAudioProc = ProcessManager("parec")
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PulseAudioProc.addArgument("--channels=1") # supress any other outputs
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PulseAudioProc.addArgument("--format=s16le") # set output format (16bit)
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PulseAudioProc.addArgument("--rate=22050") # set output sampling rate (22050Hz)
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PulseAudioProc.addArgument("--device=" +
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str(PulseAudioConfig.get("device", default="boswatch")) +
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".monitor") # sink name
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PulseAudioProc.setStderr(open(paths.LOG_PATH + "pulseaudio.log", "a"))
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PulseAudioProc.start()
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2020-07-08 20:33:58 +02:00
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mmProc = self.getDecoderInstance(decoderConfig, PulseAudioProc.stdout)
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2020-06-29 21:11:07 +02:00
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mmProc.start()
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logging.info("start decoding")
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while self._isRunning:
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if not PulseAudioProc.isRunning:
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2020-07-01 11:45:13 +02:00
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logging.warning("PulseAudio was down - try to restart")
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2020-06-29 21:11:07 +02:00
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PulseAudioProc.start()
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elif not mmProc.isRunning:
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logging.warning("multimon was down - try to restart")
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mmProc.start()
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elif PulseAudioProc.isRunning and mmProc.isRunning:
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line = mmProc.readline()
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if line:
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self.addToQueue(line)
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except:
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logging.exception("error in PulseAudio input routine")
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finally:
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mmProc.stop()
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PulseAudioProc.stop()
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