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22 lines
948 B
Bash
22 lines
948 B
Bash
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#!/bin/bash
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# This script will create a virtual microphone for PulseAudio to use and set it as the default device.
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# Load the "module-pipe-source" module to read audio data from a FIFO special file.
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echo "Creating virtual microphone."
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pactl load-module module-pipe-source source_name=virtmic file=$HOME/.config/pulse/audioFiles/virtmic format=s16le rate=16000 channels=1
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# Set the virtmic as the default source device.
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echo "Set the virtual microphone as the default device."
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pactl set-default-source virtmic
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# Create a file that will set the default source device to virtmic for all
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PulseAudio client applications.
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echo "default-source = virtmic" > $HOME/.config/pulse/client.conf
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# Write the audio file to the named pipe virtmic. This will block until the named pipe is read.
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echo "Writing audio file to virtual microphone."
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while true; do
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ffmpeg -re -i input.wav -f s16le -ar 16000 -ac 1 - > $HOME/.config/pulse/audioFiles/virtmic
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done
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