🎵 CLI Music Player

Hey there! So I built this little music player in Rust because, honestly, I got tired of switching between my terminal and Spotify. This thing lets you play your local music files right from the command line - no GUI needed!

Main Interface

The player in action - shows current track, volume, and your playlist

What it does

This music player is pretty straightforward but does everything you need:

• Plays your MP3 and WAV files (sorry, no FLAC yet - maybe later!)
• Builds playlists automatically from whatever folder you point it at
• Has all the basic controls you'd expect (play, pause, skip, volume)
• Shows you what's playing and what's coming next
• Actually looks decent in your terminal

!Help Screen Hit 'H' anytime to see all available controls

How to use it

The controls are pretty intuitive if you've used any music player before:

• Space or P - Play/Pause (the classics)
• N or > - Next track
• B or < - Previous track
• +/- - Volume up/down
• Tab or L - Toggle playlist view
• 1-9 - Jump to track number
• H - Show help (when you forget these)
• Q - Quit

Getting it running

Alright, here's how to get this thing working on your machine:

If you're on Windows (like me when I built this)

You'll need some C++ build stuff because the audio libraries are picky:

1. Grab Visual Studio Build Tools
2. Install the "C++ build tools" (yeah, it's annoying but necessary)

Or if you hate Microsoft as much as I do sometimes:

rustup toolchain install stable-x86_64-pc-windows-gnu
rustup default stable-x86_64-pc-windows-gnu

Running the thing

# Just run it in whatever folder has your music
cargo run

# Or point it at your music folder
cargo run -- --dir ~/Music

# Want it louder from the start?
cargo run -- --dir ~/Music --volume 0.8

# Forgot how it works?
cargo run -- --help

How it's organized

Nothing fancy, just three files:

src/
├── main.rs          # The main stuff - handles input, coordinates everything
├── player.rs        # Actually plays the music (rodio does the heavy lifting)
└── playlist.rs      # Finds your music files and manages the playlist

Some examples

Once it's running, try this:

• Hit Tab to see your whole playlist
• Press a number (1-9) to jump to that track
• Use + and - to adjust volume (goes by 10% each time)
• N and B to skip around
• Q when you're done

What it uses

I used these crates to make life easier:

• rodio for actually playing the audio (works everywhere)
• crossterm for handling keyboard input without being weird
• walkdir to find all your music files
• clap because command-line args are annoying to parse manually
• anyhow for when things go wrong (which they will)

When things break (they will)

"It won't compile!" on Windows

Yeah, this happens. You'll see some scary link.exe failed error. Here's what works:

Option 1: Just install the Visual Studio Build Tools (linked above). Annoying but reliable.

Option 2: Use the GNU toolchain if you're stubborn like me:

rustup toolchain install stable-x86_64-pc-windows-gnu
rustup default stable-x86_64-pc-windows-gnu
cargo build

"I can't hear anything!"

• Make sure your speakers/headphones work (I know, obvious)
• Try --volume 1.0 to max out the volume
• Check if your music files are actually MP3 or WAV (no M4A or weird formats)

"It says no music found!"

• Double-check the folder path actually exists
• Make sure there are .mp3 or .wav files in there
• Try using the full path instead of relative paths

How it works under the hood

Nothing too crazy - I used three threads:

1. One for the UI and showing what's playing
2. One for listening to your keyboard mashing
3. One for the actual music playback and auto-advancing songs

They all talk to each other through some shared state wrapped in mutexes (because concurrency is hard).

Things I might add later

• Support for FLAC, OGG, etc. (when I get around to it)
• Reading ID3 tags so you see actual song names instead of filenames
• Maybe a fancier UI with ratatui
• Shuffle mode (everyone wants shuffle mode)
• Equalizer controls
• Custom playlists that you can save
• Progress bar with scrubbing

No promises on timeline though - this was just a weekend project that got out of hand!