Try starting monolith

src/main.rs

@@ -1,3 +1,40 @@
-fn main() {
-    println!("Hello, world!");
+use std::{fs::File, path::PathBuf};
+
+use alsa::{Direction, PCM, ValueOr, device_name::Hint, pcm::{Access, Format, HwParams}};
+use clap::{Parser, Subcommand, ValueEnum};
+use symphonia::{core::{audio::{AudioBufferRef, Signal}, codecs::DecoderOptions, formats::FormatOptions, io::MediaSourceStream}, default::{get_codecs, get_probe}};
+
+#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, ValueEnum)]
+enum Backend {
+    Jack,
+    Alsa,
+    Pulseaudio,
+}
+#[derive(Parser)]
+#[command(version, about, long_about = None)]
+struct Cli {
+    name: Option<String>,
+    #[arg(short, long, value_enum)]
+    backend: Option<Backend>,
+    #[arg(short, long)]
+    path: String,
+}
+
+
+fn main() {
+    let cli = Cli::parse();
+    // You can check the value provided by positional arguments, or option arguments
+    if let Some(backend) = cli.backend {
+        match backend {
+            Backend::Jack => println!("jack"),
+            Backend::Alsa => println!("alsa"),
+            Backend::Pulseaudio => println!("pulse"),
+        }
+    }
+}
+
+pub struct DecodedAudio {
+    pub samples: Vec<i16>, // interleaved
+    pub sample_rate: u32,
+    pub channels: u16,
 }