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Diffstat (limited to 'src')
-rw-r--r-- | src/transforms.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/transforms.rs b/src/transforms.rs index 55f81b6..656255b 100644 --- a/src/transforms.rs +++ b/src/transforms.rs @@ -236,3 +236,19 @@ pub fn align_to_rising_edge(samples: &[f32]) -> Vec<f32> { .cloned() .collect() } + + +#[cfg(target_os = "emscripten")] +pub mod emscripten_api { + #[no_mangle] + pub extern "C" fn find_fundamental_frequency(signal: *const f32, signal_length: isize, sample_rate: f32) -> f32 { + use std::slice; + let signal_slice = unsafe { + &slice::from_raw_parts(signal, signal_length as usize) + }; + + println!("Signal is {:?}", signal_slice); + println!("Sample rate is {:?}Hz", sample_rate); + super::find_fundamental_frequency(&signal_slice, sample_rate).unwrap_or(0.0) + } +} |