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Add a process function for the FIR crossover

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This commit is contained in:
Robbert van der Helm 2022-06-07 00:51:31 +02:00
parent 43980ec459
commit 73919b6805
1 changed files with 16 additions and 2 deletions
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18
plugins/crossover/src/crossover/fir.rs
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@ -137,10 +137,24 @@ impl FirCrossover {
// be unsound
assert!(main_io.len() == 2);
let mut samples: f32x2 = unsafe { main_io.to_simd_unchecked() };
let samples: f32x2 = unsafe { main_io.to_simd_unchecked() };
match self.mode {
FirCrossoverType::LinkwitzRiley24LinearPhase => {
todo!();
// TODO: Everything is structured to be fast to compute for the IIR filters. Instead
// of doing two channels at the same time, it would probably be faster to use
// SIMD for the actual convolution so we can do 4 or 8 multiply-adds at the
// same time. Or perhaps a better way to spend the time, use FFT convolution
// for this.
for (filter, mut output) in self
.band_filters
.iter_mut()
.zip(band_outputs)
.take(num_bands)
{
let filtered_samples = filter.process(samples);
unsafe { output.from_simd_unchecked(filtered_samples) };
}
}
}
}