start media processing refactor

1 files changed, 26 insertions, 0 deletions

diff --git a/stream/src/metadata.rs b/stream/src/metadata.rs
new file mode 100644
index 0000000..9bfa3aa
--- /dev/null
+++ b/stream/src/metadata.rs
@@ -0,0 +1,26 @@
+/*
+    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()
+        })
+    })
+}