use impl Hash for cache key instead of string

2 files changed, 12 insertions, 18 deletions

diff --git a/remuxer/src/metadata.rs b/remuxer/src/metadata.rs
index c8a5f8f..4a496fe 100644
--- a/remuxer/src/metadata.rs
+++ b/remuxer/src/metadata.rs
@@ -33,20 +33,17 @@ pub struct MatroskaMetadata {
     pub infojson: Option<Vec<u8>>,
 }
 pub fn checked_matroska_metadata(path: &Path) -> Result<Arc<Option<MatroskaMetadata>>> {
-    cache_memory(
-        &["mkmeta-check-v1", path.to_string_lossy().as_ref()],
-        || {
-            let mut magic = [0; 4];
-            File::open(path)?.read_exact(&mut magic).ok();
-            if !matches!(magic, [0x1A, 0x45, 0xDF, 0xA3]) {
-                return Ok(None);
-            }
-            Ok(Some((*matroska_metadata(path)?).clone()))
-        },
-    )
+    cache_memory("mkmeta-check-v1", path, || {
+        let mut magic = [0; 4];
+        File::open(path)?.read_exact(&mut magic).ok();
+        if !matches!(magic, [0x1A, 0x45, 0xDF, 0xA3]) {
+            return Ok(None);
+        }
+        Ok(Some((*matroska_metadata(path)?).clone()))
+    })
 }
 pub fn matroska_metadata(path: &Path) -> Result<Arc<MatroskaMetadata>> {
-    cache_memory(&["mkmeta-v3", path.to_string_lossy().as_ref()], || {
+    cache_memory("mkmeta-v3", path, || {
         info!("reading {path:?}");
         let mut file = BufReader::new(File::open(path)?);
         let mut file = file.by_ref().take(u64::MAX);
@@ -86,7 +83,8 @@ pub fn matroska_metadata(path: &Path) -> Result<Arc<MatroskaMetadata>> {
                             | "cover.avif" => {
                                 cover = Some(
                                     AssetInner::Cache(cache_file(
-                                        &["att-cover", path.to_string_lossy().as_ref()],
+                                        "att-cover",
+                                        path,
                                         move |mut file| {
                                             file.write_all(&f.data)?;
                                             Ok(())
diff --git a/remuxer/src/seek_index.rs b/remuxer/src/seek_index.rs
index 82f62fb..1e1ce02 100644
--- a/remuxer/src/seek_index.rs
+++ b/remuxer/src/seek_index.rs
@@ -15,11 +15,8 @@ use jellymatroska::{
 use log::{debug, info, trace, warn};
 use std::{collections::BTreeMap, fs::File, io::BufReader, path::Path, sync::Arc};
 
-pub const SEEK_INDEX_VERSION: u32 = 0x5eef1de4;
-
 #[derive(Debug, Clone, Decode, Encode)]
 pub struct SeekIndex {
-    pub version: u32,
     pub blocks: Vec<BlockIndex>,
     pub keyframes: Vec<usize>,
 }
@@ -35,7 +32,6 @@ pub struct BlockIndex {
 impl Default for SeekIndex {
     fn default() -> Self {
         Self {
-            version: SEEK_INDEX_VERSION,
             blocks: Vec::new(),
             keyframes: Vec::new(),
         }
@@ -43,7 +39,7 @@ impl Default for SeekIndex {
 }
 
 pub fn get_seek_index(path: &Path) -> anyhow::Result<Arc<BTreeMap<u64, Arc<SeekIndex>>>> {
-    cache_memory(&["seekindex", path.to_str().unwrap()], move || {
+    cache_memory("seekindex-v1", path, move || {
         info!("generating seek index for {path:?}");
         let input = File::open(path).context("opening source file")?;
         let mut input = EbmlReader::new(BufReader::new(input));