for i in 0..(self.len >> 4) {
self.delay[chno][i] = self.coeffs[self.duration + i];
}
- } else { // somehow it ends here in reverse order
- for i in 0..self.len >> 2 {
- let t0 = self.coeffs[self.len - 2 - i * 2];
- let t1 = self.coeffs[self.len - 1 - i * 2];
- self.coeffs[self.len - 2 - i * 2] = self.coeffs[i * 2];
- self.coeffs[self.len - 1 - i * 2] = self.coeffs[i * 2 + 1];
- self.coeffs[i * 2] = t0;
- self.coeffs[i * 2 + 1] = t1;
- }
+ } else {
let overlap_len = if self.first_frm { 0 } else { self.len >> 8 };
overlap(&self.delay[0], &self.coeffs[0..], &mut dst[off0..], overlap_len, 2);
overlap(&self.delay[1], &self.coeffs[1..], &mut dst[off1..], overlap_len, 2);
let channels = ainfo.get_channels();
validate!(channels <= 2);
self.ainfo = NAAudioInfo::new(srate, channels, SND_F32P_FORMAT, 2);
- self.chmap = NAChannelMap::from_str("L,R").unwrap();
+ self.chmap = NAChannelMap::from_str(if channels == 2 {"L,R"} else {"C"}).unwrap();
if let Some(ref edata) = info.get_extradata() {
if edata.as_slice() == b"BIKb" {
self.version_b = true;
self.duration >>= 1;
}
self.transform = if !self.use_dct {
- Transform::RDFT(RDFTBuilder::new_rdft(FFTMode::SplitRadix, self.len >> 1, false))
+ Transform::RDFT(RDFTBuilder::new_rdft(FFTMode::SplitRadix, self.len >> 1, false, false))
} else {
Transform::DCT(DCT::new(DCTMode::DCT_III, self.len))
};
let nsamples = br.read(32)? as usize;
// validate!(nsamples % self.duration == 0);
- let mut abuf = alloc_audio_buffer(self.ainfo, nsamples / self.chmap.num_channels() / 2, self.chmap.clone())?;
+ let abuf = alloc_audio_buffer(self.ainfo, nsamples / self.chmap.num_channels() / 2, self.chmap.clone())?;
let mut adata = abuf.get_abuf_f32().unwrap();
let mut off0 = adata.get_offset(0);
let mut off1 = adata.get_offset(1);