use std::f32::consts::PI;
#[derive(Clone,Copy,PartialEq)]
+#[allow(clippy::enum_variant_names)]
enum SiproMode {
Mode16k,
Mode8_5k,
}
impl SiproMode {
- fn is16k(&self) -> bool { *self == SiproMode::Mode16k }
+ fn is16k(self) -> bool { self == SiproMode::Mode16k }
}
const SIPRO_MODE_FROM_IDX: [SiproMode; 4] = [
fn update_gain_16k(&mut self, sf: usize) {
let mut energy: f64 = 0.0;
for i in 0..80 {
- energy += (self.fix_vec[i] as f64) * (self.fix_vec[i] as f64);
+ energy += f64::from(self.fix_vec[i]) * f64::from(self.fix_vec[i]);
}
- let ehist = ((0.8 * self.energy_hist[0] + 0.6 * self.energy_hist[1]) as f64) - 71.30899869919435856603;
+ let ehist = f64::from(0.8 * self.energy_hist[0] + 0.6 * self.energy_hist[1]) - 71.30899869919435856603;
let rms = 8.94427190999915878559 * (10.0f64.ln() / 20.0 * ehist).exp() / (0.01 + energy).sqrt();
let gain = SIPRO_GAIN_CB_16K[self.gc_index[sf]] * (rms as f32);
}
self.energy_hist[3] = 20.0 * gain1.log10();
- let gain = ((gain1 as f64) * ((sum as f64) * (10.0f64).ln() * 0.05).exp() / (self.avg_energy as f64).sqrt()) as f32;
+ let gain = (f64::from(gain1) * (f64::from(sum) * (10.0f64).ln() * 0.05).exp() / f64::from(self.avg_energy).sqrt()) as f32;
let exc = &mut self.excitation[EXCITATION_OFFSET + sf * 48..][..48];
for i in 0..48 {
exc[i] = exc[i] * gain0 + self.fix_vec[i] * gain;
fn lsp2poly(lsp: &[f32], poly: &mut [f64], order: usize) {
poly[0] = 1.0;
- poly[1] = -2.0 * (lsp[0] as f64);
+ poly[1] = -2.0 * f64::from(lsp[0]);
for i in 1..order {
- poly[i + 1] = -2.0 * (lsp[2 * i] as f64) * poly[i] + 2.0 * poly[i - 1];
+ poly[i + 1] = -2.0 * f64::from(lsp[2 * i]) * poly[i] + 2.0 * poly[i - 1];
for j in (2..i+1).rev() {
- poly[j] += -2.0 * (lsp[2 * i] as f64) * poly[j - 1] + poly[j - 2];
+ poly[j] += -2.0 * f64::from(lsp[2 * i]) * poly[j - 1] + poly[j - 2];
}
- poly[1] += -2.0 * (lsp[2 * i] as f64);
+ poly[1] += -2.0 * f64::from(lsp[2 * i]);
}
}
lsp2poly(&lsp[0..], &mut a[0..], 5);
lsp2poly(&lsp[1..], &mut b[1..], 4);
- let ascale = (1.0 + lsp[9]) as f64;
- let bscale = (1.0 - lsp[9]) as f64;
+ let ascale = f64::from(1.0 + lsp[9]);
+ let bscale = f64::from(1.0 - lsp[9]);
for i in 1..5 {
let ta = ascale * a[i];
let tb = bscale * (b[i + 1] - b[i - 1]);
const CHMAP_MONO: [NAChannelType; 1] = [NAChannelType::C];
impl NADecoder for SiproDecoder {
- fn init(&mut self, info: NACodecInfoRef) -> DecoderResult<()> {
+ fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> {
if let NACodecTypeInfo::Audio(ainfo) = info.get_properties() {
let mut found = false;
for i in 0..SIPRO_MODES.len() {
self.ainfo = NAAudioInfo::new(ainfo.get_sample_rate(),
1,
SND_F32P_FORMAT, 0);
- self.info = info.replace_info(NACodecTypeInfo::Audio(self.ainfo.clone()));
+ self.info = info.replace_info(NACodecTypeInfo::Audio(self.ainfo));
Ok(())
} else {
Err(DecoderError::InvalidData)
}
}
- fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
+ fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
let info = pkt.get_stream().get_info();
validate!(info.get_properties().is_audio());
let pktbuf = pkt.get_buffer();
}
}
-pub fn get_decoder() -> Box<NADecoder> {
+pub fn get_decoder() -> Box<dyn NADecoder> {
Box::new(SiproDecoder::new())
}