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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
this script has that behavior: https://github.com/viniciusbm/mpv-cycle-through-existing
Misc.lua, this script has many features, and it actually has the exact thing you are looking for, labeled as "Cycle audio and subtitle tracks." Just follow that section's instructions, and it should fulfill your request.
NOTE:
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Hence, a higher number means a more popular project.