start remuxer crate rewrite; added matroska demuxer and format detection

1 files changed, 0 insertions, 72 deletions

diff --git a/remuxer/src/trim_writer.rs b/remuxer/src/trim_writer.rs
deleted file mode 100644
index 2c1b7ed..0000000
--- a/remuxer/src/trim_writer.rs
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
-    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;
-use log::{trace, warn};
-use std::{
-    io::{Seek, Write},
-    ops::Range,
-};
-
-pub struct TrimWriter<W> {
-    inner: W,
-    position: usize,
-    range: Range<usize>,
-}
-impl<W: Write> TrimWriter<W> {
-    pub fn new(inner: W, range: Range<usize>) -> Self {
-        Self {
-            inner,
-            range,
-            position: 0,
-        }
-    }
-}
-
-impl<W: Write> Write for TrimWriter<W> {
-    fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
-        let start = self.range.start as isize - self.position as isize;
-        let end = self.range.end as isize - self.position as isize;
-
-        let start = start.clamp(0, buf.len() as isize) as usize;
-        let end = end.clamp(0, buf.len() as isize) as usize;
-
-        if self.position >= self.range.end {
-            return Err(std::io::Error::other(anyhow!("range ended")));
-        }
-
-        let tbuf = &buf[start..end];
-        Ok(if !tbuf.is_empty() {
-            trace!("trim={start}..{end} avail={}", buf.len());
-            let sz = self.inner.write(tbuf)?;
-            self.position += sz;
-            sz
-        } else {
-            trace!("skip={}", buf.len());
-            buf.len()
-        })
-    }
-
-    fn flush(&mut self) -> std::io::Result<()> {
-        self.inner.flush()
-    }
-}
-
-impl<W> Seek for TrimWriter<W> {
-    fn seek(&mut self, pos: std::io::SeekFrom) -> std::io::Result<u64> {
-        match pos {
-            std::io::SeekFrom::Start(s) => self.position = s as usize,
-            std::io::SeekFrom::End(_) => unimplemented!(),
-            std::io::SeekFrom::Current(s) => self.position += s as usize,
-        }
-        if self.position > self.range.end {
-            warn!(
-                "seeked beyond end: pos={} end={}",
-                self.position, self.range.end
-            )
-        }
-        Ok(self.position as u64)
-    }
-}