X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=nihav-rad%2Fsrc%2Fcodecs%2Fbinkaud.rs;h=182c6c91f2a5d7e370f429e6d3dda1d895f58be6;hb=2422d9699cd56cbb86ac32b3e8dd026e20a89db5;hp=a85a07ed00fd5ee2a3986dcb421d3b1863d9f5bc;hpb=e5ea652540a63efcd09af052d74d2c6bcaa0a65a;p=nihav.git diff --git a/nihav-rad/src/codecs/binkaud.rs b/nihav-rad/src/codecs/binkaud.rs index a85a07e..182c6c9 100644 --- a/nihav-rad/src/codecs/binkaud.rs +++ b/nihav-rad/src/codecs/binkaud.rs @@ -152,15 +152,7 @@ impl BinkAudioDecoder { 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); @@ -186,13 +178,13 @@ const CRITICAL_FREQS: [usize; MAX_BANDS] = [ const RUN_TAB: [usize; 16] = [ 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 32, 64 ]; impl NADecoder for BinkAudioDecoder { - fn init(&mut self, info: Rc) -> DecoderResult<()> { + fn init(&mut self, info: NACodecInfoRef) -> DecoderResult<()> { if let NACodecTypeInfo::Audio(ainfo) = info.get_properties() { let srate = ainfo.get_sample_rate(); 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; @@ -211,7 +203,7 @@ impl NADecoder for BinkAudioDecoder { 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)) }; @@ -246,11 +238,11 @@ impl NADecoder for BinkAudioDecoder { 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); - let mut dst = adata.get_data_mut(); + let dst = adata.get_data_mut().unwrap(); let num_subframes = nsamples / self.duration / self.chmap.num_channels() / 2;