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pub mod waveform;
mod test;
#[derive(Debug, Copy, Clone)]
pub enum ChannelInterleavement {
LRLR,
LLRR,
}
impl ChannelInterleavement {
pub fn is_lrlr(&self) -> bool {
match self {
ChannelInterleavement::LRLR => true,
_ => false
}
}
pub fn is_lllrr(&self) -> bool {
match self {
ChannelInterleavement::LLRR => true,
_ => false
}
}
pub fn to_channel_data(&self, interleaved_data: &[i16]) -> (Vec<i16>, Vec<i16>) {
let mut left_data = vec![];
let mut right_data = vec![];
if self.is_lrlr() {
let mut is_left = true;
for sample in interleaved_data {
if is_left {
left_data.push(*sample);
} else {
right_data.push(*sample)
}
is_left = !is_left;
}
} else {
let n = interleaved_data.len();
for sample_i in 0..n/2 {
left_data.push(interleaved_data[sample_i]);
}
for sample_i in n/2..n {
right_data.push(interleaved_data[sample_i]);
}
}
(left_data, right_data)
}
}
#[derive(Debug, Copy, Clone)]
pub enum Channels {
Mono,
Stereo(ChannelInterleavement)
}
impl Channels {
pub fn is_mono(&self) -> bool {
match self {
Channels::Mono => true,
_ => false
}
}
pub fn is_stereo(&self) -> bool {
match self {
Channels::Stereo(_) => true,
_ => false
}
}
pub fn stereo_interleavement(&self) -> ChannelInterleavement {
match self {
Channels::Stereo(interleavmement) => interleavmement.clone(),
_ => panic!("Not stereo")
}
}
}
#[cfg(test)]
mod tests {
#[test]
fn it_works() {
assert_eq!(2 + 2, 4);
}
}