Detect Bpm for live inputs like Aux and Vinyl

[mixxxbot]

Reported by: daschuer
Date: 2018-05-29T11:37:07Z
Status: Confirmed
Importance: Wishlist
Launchpad Issue: lp1773970

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It would be nice, if Aux and vinyl inputs are able to detect and display the current Bpm value.
This would allow to sync internal tracks with the external source.

[mixxxbot]

Commented by: Be-ing
Date: 2018-05-29T17:12:15Z

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If the external source supports syncing to MIDI clock (Bug #⁠682221), Ableton Link (Bug #⁠1625050), or JACK transport (Bug #⁠1130864), it would be better to use those instead of trying to detect the BPM of a live input. Nevertheless, detecting the BPM of live inputs would be helpful when none of those syncing protocols are supported.

[mixxxbot]

Commented by: daschuer
Date: 2019-10-08T05:24:36Z

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Discussed here #172

It would be nice If we have a beat detector for aux sources.

The visual appearance could be a bpm display and four cycling LEDs to indicate beat and bars.