More configurable VU meter and spectrum analyzer

[Audacious-Bot]

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Author Name: ano nyme
Original Redmine Issue: https://redmine.audacious-media-player.org/issues/1191
Original Date: 2022-09-24

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Hi,

Can you please consider making the vu meter and spectrum plugins more flexible (profesional)

Vu meter:
configurable range
Horizontal mode/vertical mode
Spectrum analyser:
mono/stereo mode for the spectrum
adding Peak
adding scale (DB/frequency)
adding mode 16/32/64/128/line mode
Configurable peak/Fq range/refresh time (lightspeed settings 200FPS)

Thanks in advance,
Have a good day,
Rgds,