max/audio-reactive-source
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send multicast packets
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Build legacy Nix package on Ubuntu / build (push) Successful in 4m31s
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Max Känner
2025-01-12 20:52:42 +01:00
parent cd70cb5c78
commit 00bcaf7685
3 changed files with 35 additions and 10 deletions
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28
src/main.rs
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@ -1,5 +1,6 @@
use std::{cmp::Ordering, sync::mpsc, thread::sleep, time::Duration};
use std::{cmp::Ordering, net::UdpSocket, sync::mpsc, thread::sleep, time::Duration};
use bytemuck::{Pod, Zeroable};
use color_eyre::eyre::{bail, Result};
use cpal::{
traits::{DeviceTrait, HostTrait, StreamTrait},
@ -72,6 +73,8 @@ fn main() -> color_eyre::Result<()> {
None,
)?;
let socket = UdpSocket::bind("239.0.0.1:11988")?;
stream.play()?;
let mut previous_sample_smth = 0.0;
@ -80,19 +83,24 @@ fn main() -> color_eyre::Result<()> {
data.sample_smth = 0.8f32.mul_add(previous_sample_smth, 0.2 * data.sample_raw);
previous_sample_smth = data.sample_smth;
let plot_data: Vec<_> = data
.fft_result
.iter()
.enumerate()
.map(|(i, datum)| (i as f32, f32::from(*datum)))
.collect();
Chart::new_with_y_range(250, 50, 0.0, 16.0, 0.0, 255.0)
.lineplot(&Shape::Bars(&plot_data[..]))
.display();
if let Err(e) = socket.send_to(bytemuck::bytes_of(&data), "239.0.0.1:11988") {
error!("Unable to send packet over multicast: {e}");
}
// let plot_data: Vec<_> = data
// .fft_result
// .iter()
// .enumerate()
// .map(|(i, datum)| (i as f32, f32::from(*datum)))
// .collect();
// Chart::new_with_y_range(250, 50, 0.0, 16.0, 0.0, 255.0)
// .lineplot(&Shape::Bars(&plot_data[..]))
// .display();
}
}
/// new "V2" audiosync struct - 44 Bytes
#[derive(Debug, PartialEq, Clone, Copy, Pod, Zeroable)]
#[repr(C, packed(1))]
struct AudioSyncPacket {
/// "00002" for protocol version 2 (includes '\0' for c-style string termination)