stream/src/metadata.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

/*
    This file is part of jellything (https://codeberg.org/metamuffin/jellything)
    which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
    Copyright (C) 2025 metamuffin <metamuffin.org>
*/

use anyhow::{anyhow, Result};
use jellycache::cache_memory;
use jellyremuxer::{demuxers::create_demuxer_autodetect, matroska::Segment};
use std::{fs::File, path::Path, sync::Arc};

pub fn read_metadata(path: &Path) -> Result<Arc<Segment>> {
    cache_memory("mkmeta-v4", path, move || {
        let media = File::open(path)?;
        let mut media =
            create_demuxer_autodetect(Box::new(media))?.ok_or(anyhow!("media format unknown"))?;

        let info = media.info()?;
        let tracks = media.tracks()?;
        Ok(Segment {
            info,
            tracks,
            ..Default::default()
        })
    })
}