32 lines
1.0 KiB
JavaScript
32 lines
1.0 KiB
JavaScript
const child_process = require('child_process');
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// Requirements:
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// gstreamer: gst-launch-1.0
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// ffmpeg: ffmpeg
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// gstreamer = audio recording
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// see `pacmd list` for audio sources
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// -v for verbose output
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// $ gst-launch-1.0 -v pulsesrc device = "alsa_output.pci-0000_00_1f.3.analog-stereo.monitor" ! wavenc ! filesink location="output.wav"
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function start_recording() {
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let device = 'alsa_output.pci-0000_00_1f.3.analog-stereo.monitor';
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let output = 'output.wav';
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let recording_process = child_process.spawn(
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'gst-launch-1.0', [ '-v', 'pulsesrc', 'device', '=', device, '!', 'wavenc', '!', 'filesink', 'location', '=', output ]
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);
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return recording_process;
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}
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async function stop_recording() {
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}
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// ffmpeg = file conversion (wav -> mp3)
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// $ ffmpeg -i output.wav -b:a 192k output.mp3
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// metadata can be added as follows
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// $ ffmpeg -i output.wav \
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// -metadata title="Song Name" \
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// -metadata author="Song Artist" \
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// -metadata album="Song Album" \
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// -b:a 192k output.mp3
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