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Spectrum analyzer update (#5160)

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* advanced config: expose hidden constants to user screen
* advanced config: add support for FFT window overlapping
* waterfall: display at native resolution on high-DPI screens
* waterfall: add cursor and improve label density
* FFT: fix normalization so that 0 dBFS matches full-scale sinewave
* FFT: decouple data acquisition from processing and display
* FFT: separate lock for reallocation (to avoid some needless waiting)
* moved ranges and other constants to a separate file
* debug: better performance measurements
* minor fixes
* build the ringbuffer library as part of LMMS core
This commit is contained in:
Martin Pavelek
2019-11-21 14:44:18 +01:00
committed by Johannes Lorenz
parent 2f0010270e
commit da73ddd242
26 changed files with 1867 additions and 364 deletions
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3
.gitmodules vendored
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@@ -34,3 +34,6 @@
[submodule "doc/wiki"]
path = doc/wiki
url = https://github.com/lmms/lmms.wiki.git
[submodule "src/3rdparty/ringbuffer"]
path = src/3rdparty/ringbuffer
url = https://github.com/JohannesLorenz/ringbuffer.git