in-memory cached seek index

1 files changed, 9 insertions, 8 deletions

diff --git a/remuxer/src/remux.rs b/remuxer/src/remux.rs
index d7a30e5..31e4a3a 100644
--- a/remuxer/src/remux.rs
+++ b/remuxer/src/remux.rs
@@ -4,7 +4,8 @@
     Copyright (C) 2023 metamuffin <metamuffin.org>
 */
 use crate::{
-    ebml_header, ebml_track_entry, segment_extractor::SegmentExtractIter, trim_writer::TrimWriter,
+    ebml_header, ebml_track_entry, seek_index::get_seek_index,
+    segment_extractor::SegmentExtractIter, trim_writer::TrimWriter,
 };
 use anyhow::{anyhow, Context};
 use jellycommon::{
@@ -23,6 +24,7 @@ use std::{
     io::{Seek, SeekFrom, Write},
     ops::Range,
     path::PathBuf,
+    sync::Arc,
     time::Instant,
 };
 
@@ -43,7 +45,7 @@ pub fn remux_stream_into(
         info: SourceTrack,
         reader: EbmlReader,
         mapped: u64,
-        index: SeekIndex,
+        index: Arc<SeekIndex>,
         source_track_index: usize,
         codec_private: Option<Vec<u8>>,
         layouting_progress_index: usize,
@@ -69,12 +71,11 @@ pub fn remux_stream_into(
             info!("\t- {sel} {source_path:?} ({} => {mapped})", private.track);
             info!("\t    {}", info);
             let file = File::open(&source_path).context("opening source file")?;
-            let mut index = File::open(source_path.with_extension(format!("si.{}", private.track)))
-                .context("opening seek index file")?;
-            let index = bincode::decode_from_std_read::<SeekIndex, _, _>(
-                &mut index,
-                bincode::config::standard(),
-            )?;
+            let index = get_seek_index(&source_path)?;
+            let index = index
+                .get(&(private.track as u64))
+                .ok_or(anyhow!("track missing"))?
+                .to_owned();
             debug!("\t    seek index: {} blocks loaded", index.blocks.len());
             let reader = EbmlReader::new(file);
             Ok(ReaderC {