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Goofing around with examples

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This commit is contained in:
Jamie Hardt
2021-01-01 22:36:08 -08:00
parent e652722250
commit ca1d5eb714
5 changed files with 133 additions and 102 deletions
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13
examples/blits.rs
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@@ -9,6 +9,7 @@
//! TODO: Implement command-line interface
use std::f64;
use std::io;
use bwavfile::{WaveWriter, WaveFmt};
fn sine_wave(t: u64, amplitude : i32, wavelength : u32) -> i32 {
@@ -88,7 +89,10 @@ impl ToneBurstSignal for Vec<ToneBurst> {
}
fn main() -> () {
fn main() -> io::Result<()> {
let sample_rate = 48000;
let bits_per_sample = 24;
// BLITS Tone signal format
// From EBU Tech 3304 §4 - https://tech.ebu.ch/docs/tech/tech3304.pdf
@@ -190,17 +194,11 @@ fn main() -> () {
ToneBurst::Silence(200)
];
let sample_rate = 48000;
let bits_per_sample = 24;
let length = [&left_channel_sequence, &right_channel_sequence,
&center_channel_sequence, &lfe_channel_sequence,
&ls_channel_sequence, &rs_channel_sequence].iter()
.map(|i| i.duration(sample_rate)).max().unwrap_or(0);
println!("Will generate tone of length {} frames", &length);
let frames = (0..=length).map(|frame| {
(left_channel_sequence.signal(frame, sample_rate, bits_per_sample),
right_channel_sequence.signal(frame, sample_rate, bits_per_sample),
@@ -220,4 +218,5 @@ fn main() -> () {
}
fw.end().expect("Failed to close frame writer");
Ok(())
}