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Added PulseAudio as Source
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77
boswatch/inputSource/pulseaudioInput.py
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77
boswatch/inputSource/pulseaudioInput.py
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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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mmProc = ProcessManager(str(PulseAudioConfig.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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if PulseAudioConfig.get("mmChar"):
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mmProc.addArgument("-C " + str(PulseAudioConfig.get("mmChar")))
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mmProc.addArgument("-f alpha")
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mmProc.addArgument("-t raw -")
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mmProc.setStdin(PulseAudioProc.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 PulseAudioProc.isRunning:
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logging.warning("asla was down - try to restart")
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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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@ -51,6 +51,7 @@ from boswatch.utils import header
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from boswatch.utils import misc
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from boswatch.utils import misc
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from boswatch.inputSource.sdrInput import SdrInput
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from boswatch.inputSource.sdrInput import SdrInput
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from boswatch.inputSource.lineInInput import LineInInput
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from boswatch.inputSource.lineInInput import LineInInput
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from boswatch.inputSource.pulseaudioInput import PulseAudioInput
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header.logoToLog()
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header.logoToLog()
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header.infoToLog()
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header.infoToLog()
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@ -91,6 +92,8 @@ try:
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inputSource = SdrInput(inputQueue, bwConfig.get("inputSource", "sdr"), bwConfig.get("decoder"))
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inputSource = SdrInput(inputQueue, bwConfig.get("inputSource", "sdr"), bwConfig.get("decoder"))
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elif bwConfig.get("client", "inputSource") == "lineIn":
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elif bwConfig.get("client", "inputSource") == "lineIn":
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inputSource = LineInInput(inputQueue, bwConfig.get("inputSource", "lineIn"), bwConfig.get("decoder"))
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inputSource = LineInInput(inputQueue, bwConfig.get("inputSource", "lineIn"), bwConfig.get("decoder"))
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elif bwConfig.get("client", "inputSource") == "PulseAudio":
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inputSource = PulseAudioInput(inputQueue, bwConfig.get("inputSource", "PulseAudio"), bwConfig.get("decoder"))
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else:
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else:
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logging.fatal("Invalid input source: %s", bwConfig.get("client", "inputSource"))
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logging.fatal("Invalid input source: %s", bwConfig.get("client", "inputSource"))
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exit(1)
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exit(1)
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@ -11,7 +11,7 @@ zwingend in die Konfiguration eingetragen werden.
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|Feld|Beschreibung|Default|
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|Feld|Beschreibung|Default|
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|----|------------|-------|
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|----|------------|-------|
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|name|Name zur Identifizierung der Client Instanz||
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|name|Name zur Identifizierung der Client Instanz||
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|inputSource|Art der zu nutzenden Input Quelle (`sdr` oder `lineIn`)||
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|inputSource|Art der zu nutzenden Input Quelle (`sdr`, `lineIn` oder `PulseAudio`)||
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|useBroadcast|Verbindungsdaten per [Broadcast](information/broadcast.md) beziehen|no|
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|useBroadcast|Verbindungsdaten per [Broadcast](information/broadcast.md) beziehen|no|
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|reconnectDelay|Verzögerung für erneuten Verbindungsversuch zum Server|3|
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|reconnectDelay|Verzögerung für erneuten Verbindungsversuch zum Server|3|
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|sendTries|Anzahl der Sendeversuche eines Pakets|3|
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|sendTries|Anzahl der Sendeversuche eines Pakets|3|
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@ -36,7 +36,7 @@ server:
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---
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---
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### `inputSource:`
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### `inputSource:`
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Es gibt die Auswahl zwischen `sdr` oder `lineIn` als Input Quelle
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Es gibt die Auswahl zwischen `sdr`, `lineIn` oder `PulseAudio` als Input Quelle
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#### `sdr:`
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#### `sdr:`
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|Feld|Beschreibung|Default|
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|Feld|Beschreibung|Default|
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@ -114,6 +114,32 @@ inputSource:
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mmChar: DE
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mmChar: DE
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```
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```
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#### `PulseAudio:`
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|Feld|Beschreibung|Default|
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|----|------------|-------|
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|device|Der Sinks-Name der Quelle|boswatch|
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|mmPath|Pfad zur multimon-ng Binary|multimon-ng|
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|mmChar|multimon-ng Char-Set|not set|
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**Device herausfinden**
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Durch eingabe des Befehls `pacmd list-sinks | grep name:` werden alle Sinks ausgegeben. Beispiel:
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```console
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bash-5.0# pacmd list-sinks | grep name:
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name: <boswatch>
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```
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In der Konfiguration wird das Feld `device` nun auf den den Namen des gewünschten Sinks gesetzt (ohne spitze Klammern, <>).
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**Beispiel:**
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```yaml
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inputSource:
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...
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PulseAudio:
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device: boswatch
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mmPath: /opt/multimon/multimon-ng
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mmChar: DE
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```
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---
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---
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### `decoder:`
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### `decoder:`
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|Feld|Beschreibung|Default|
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|Feld|Beschreibung|Default|
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