97 lines
2.9 KiB
Rust
97 lines
2.9 KiB
Rust
//! Minimal CLI tool to generate a m3u8 playlist from a Muss script.
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//! This does not support playback, so it can run on any platform with a filesystem.
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//! Use `muss-m3u8 --help` for usage instructions.
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//!
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mod cli;
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use std::fs::File;
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use std::io::{BufReader, BufWriter, Cursor};
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use std::path::Path;
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use m3u8_rs::{MediaPlaylist, MediaSegment};
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use muss_interpreter::{Interpreter, Item};
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fn main() {
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let args = cli::parse();
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let out_path = Path::new(&args.playlist);
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let mut out_file = BufWriter::new(File::create(out_path).expect("Invalid output file"));
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let mut playlist = MediaPlaylist {
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version: 6,
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..Default::default()
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};
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let mut skipped_count = 0;
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if args.raw {
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println!("Executing: {}", &args.input);
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let in_file = Cursor::new(&args.input);
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let runner = Interpreter::with_stream(in_file);
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for item in runner {
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match item {
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Ok(music) => {
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if let Some(filename) = music_filename(&music) {
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playlist.segments.push(MediaSegment {
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uri: filename,
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title: music_title(&music),
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..Default::default()
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});
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} else {
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skipped_count += 1;
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}
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}
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Err(e) => eprintln!("{}", e),
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}
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}
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} else {
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let in_path = Path::new(&args.input);
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let in_file = BufReader::new(File::open(in_path).expect("Invalid/missing input file"));
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let runner = Interpreter::with_stream(in_file);
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for item in runner {
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match item {
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Ok(music) => {
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if let Some(filename) = music_filename(&music) {
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playlist.segments.push(MediaSegment {
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uri: filename,
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title: music_title(&music),
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..Default::default()
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});
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} else {
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skipped_count += 1;
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}
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}
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Err(e) => eprintln!("{}", e),
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}
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}
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}
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if skipped_count != 0 {
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eprintln!(
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"Skipped {} items due to missing `filename` field",
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skipped_count
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);
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}
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if let Err(e) = playlist.write_to(&mut out_file) {
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eprintln!("Playlist save error: {}", e);
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}
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}
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fn music_title(item: &Item) -> Option<String> {
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item.field("title").and_then(|x| x.to_owned().to_str())
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}
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fn music_filename(item: &Item) -> Option<String> {
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if let Some(filename) = item.field("filename") {
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if let Ok(cwd) = std::env::current_dir() {
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let path: &Path = &cwd;
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Some(filename.as_str().replace(path.to_str().unwrap_or(""), "./"))
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} else {
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Some(filename.to_string())
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}
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} else {
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None
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}
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}
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