code.octet-stream.net Git - m17rt/blob - m17codec2/src/lib.rs

   1 pub(crate) use codec2::{Codec2, Codec2Mode};
   2 use std::fs::File;
   3 use std::io::Write;
   4 use std::path::Path;
   5
   6 pub fn decode_codec2<P: AsRef<Path>>(data: &[u8], out_path: P) {
   7     let codec2 = Codec2::new(Codec2Mode::MODE_3200);
   8     let var_name = codec2;
   9     let mut codec = var_name;
  10     let mut all_samples: Vec<i16> = vec![];
  11     for i in 0..(data.len() / 8) {
  12         let mut samples = vec![0; codec.samples_per_frame()];
  13         codec.decode(&mut samples, &data[i * 8..((i + 1) * 8)]);
  14         all_samples.append(&mut samples);
  15     }
  16
  17     // dude this works
  18     let mut speech_out = File::create(out_path).unwrap();
  19     for b in all_samples {
  20         speech_out.write_all(&b.to_le_bytes()).unwrap();
  21     }
  22 }