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/*
    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>
*/

// async fn vtt_stream(json: bool, node: Arc<Node>, spec: StreamSpec, b: DuplexStream) -> Result<()> {
// TODO cache
// TODO should use fragments too? big films take too long...

// let tracki = *spec.track.first().ok_or(anyhow!("no track selected"))?;
// let local_track = local_tracks.first().ok_or(anyhow!("no tracks"))?.clone();
// let track = &node.media.as_ref().unwrap().tracks[tracki];
// let cp = local_track.codec_private.clone();

// let subtitles = async_cache_memory(
//     &[
//         "vtt",
//         &format!(
//             "{} {}",
//             local_track.path.to_str().unwrap(),
//             local_track.track
//         ),
//     ],
//     move || async move {
//         let blocks = tokio::task::spawn_blocking(move || {
//             extract_track(CONF.media_path.clone(), local_track)
//         })
//         .await??;
//         let subtitles = parse_subtitles(&track.codec, cp, blocks)?;
//         Ok(subtitles)
//     },
// )spec.track.first().ok_or(anyhow!("no track selected"))?;
// let local_track = local_tracks.first().ok_or(anyhow!("no tracks"))?.clone();
// let track = &node.media.as_ref().unwrap().tracks[tracki];
// let cp = local_track.codec_private.clone();

// let subtitles = async_cache_memory(
//     &[
//         "vtt",
//         &format!(
//             "{} {}",
//             local_track.path.to_str().unwrap(),
//             local_track.track
//         ),
//     ],
//     move || async move {
//         let blocks = tokio::task::spawn_blocking(move || {
//             extract_track(CONF.media_path.clone(), local_track)
//         })
//         .await??;
//         let subtitles = parse_subtitles(&track.codec, cp, blocks)?;
//         Ok(subtitles)
//     },
// )
// .await?;

// let output = if json {
//     serde_json::to_string(subtitles.as_ref())?
// } else {
//     write_webvtt(node.title.clone().unwrap_or_default(), subtitles.as_ref())
//         .context("writing webvtt")?
// };
// tokio::task::spawn(async move {
//     let _ = b.write_all(output.as_bytes()).await;
// });
// .await?;

// let output = if json {
//     serde_json::to_string(subtitles.as_ref())?
// } else {
//     write_webvtt(node.title.clone().unwrap_or_default(), subtitles.as_ref())
//         .context("writing webvtt")?
// };
// tokio::task::spawn(async move {
//     let _ = b.write_all(output.as_bytes()).await;
// });
//     Ok(())
// }