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calculate mel.n_len as mel spectrogram stride len #75

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Jul 22, 2023
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calculate mel.n_len as mel spectrogram stride len #75

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4 changes: 3 additions & 1 deletion src/whisper_state.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -123,12 +123,14 @@ impl<'a> WhisperState<'a> {
/// # C++ equivalent
/// `int whisper_set_mel(struct whisper_context * ctx, const float * data, int n_len, int n_mel)`
pub fn set_mel(&mut self, data: &[f32]) -> Result<(), WhisperError> {
let hop_size = 160;
let n_len = (data.len() / hop_size) * 2;
let ret = unsafe {
whisper_rs_sys::whisper_set_mel_with_state(
self.ctx,
self.ptr,
data.as_ptr(),
data.len() as c_int,
n_len as c_int,
80 as c_int,
)
};
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