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Author SHA1 Message Date
Christopher Snowhill 7cac6625d9 [Visualizer] Align memory allocations for DFT 
DFT should use aligned memory blocks for best results. Also allocate one
extra sample for DFT output, just in case DFT zop is as bad as zrop.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
 2022-06-11 03:33:42 -07:00
Christopher Snowhill 7b18a9f398 [Visualizer] Add PFFFT implementation for example 
The PFFFT implementation is actually slower than Apple's float DFT code.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
 2022-06-11 02:21:17 -07:00
Christopher Snowhill 417687600b Implement visualization support and a spectrum 
Borrowing some DFT code from deadbeef, this implements a simple spectrum
visualization into the main toolbar of the app.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
 2022-02-12 23:04:03 -08:00