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* Line-In input Source - code * bugfix * Docs * code cleanup * cleanup * code cleanup * Update docu/docs/config.md Co-Authored-By: Jan Speller <janspeller1@gmail.com> * fixes Co-authored-by: Jan Speller <janspeller1@gmail.com>
77 lines
3.2 KiB
Python
77 lines
3.2 KiB
Python
#!/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: lienInInput.py
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@date: 18.04.2020
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@author: Philipp von Kirschbaum
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@description: Input source for line-in with alsa
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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 LineInInput(InputBase):
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"""!Class for the line-in input source"""
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def _runThread(self, dataQueue, lineInConfig, decoderConfig):
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lineInProc = None
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mmProc = None
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try:
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lineInProc = ProcessManager("arecord")
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lineInProc.addArgument("-q ") # supress any other outputs
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lineInProc.addArgument("-f S16_LE") # set output format (16bit)
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lineInProc.addArgument("-r 22050") # set output sampling rate (22050Hz)
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lineInProc.addArgument("-D plughw:" +
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str(lineInConfig.get("card", default="1")) +
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"," +
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str(lineInConfig.get("device", default="0"))) # device id
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lineInProc.setStderr(open(paths.LOG_PATH + "asla.log", "a"))
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lineInProc.start()
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mmProc = ProcessManager(str(lineInConfig.get("mmPath", default="multimon-ng")), textMode=True)
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if decoderConfig.get("fms", default=0):
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mmProc.addArgument("-a FMSFSK")
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if decoderConfig.get("zvei", default=0):
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mmProc.addArgument("-a ZVEI1")
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if decoderConfig.get("poc512", default=0):
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mmProc.addArgument("-a POCSAG512")
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if decoderConfig.get("poc1200", default=0):
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mmProc.addArgument("-a POCSAG1200")
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if decoderConfig.get("poc2400", default=0):
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mmProc.addArgument("-a POCSAG2400")
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mmProc.addArgument("-f alpha")
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mmProc.addArgument("-t raw -")
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mmProc.setStdin(lineInProc.stdout)
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mmProc.setStderr(open(paths.LOG_PATH + "multimon-ng.log", "a"))
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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 lineInProc.isRunning:
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logging.warning("asla was down - try to restart")
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lineInProc.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 lineInProc.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 lineIn input routine")
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finally:
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mmProc.stop()
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lineInProc.stop()
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