1 files changed, 12 insertions, 2 deletions
diff --git a/remuxer/src/demuxers/mod.rs b/remuxer/src/demuxers/mod.rs
index 8940ca5..f001250 100644
--- a/remuxer/src/demuxers/mod.rs
+++ b/remuxer/src/demuxers/mod.rs
@@ -10,9 +10,10 @@ pub mod matroska;
 use crate::{
     ContainerFormat,
     demuxers::{flac::FlacDemuxer, matroska::MatroskaDemuxer},
+    magic::detect_container_format,
 };
 use anyhow::Result;
-use std::io::{Read, Seek};
+use std::io::{Read, Seek, SeekFrom};
 use winter_matroska::{Attachments, Chapters, Cluster, Cues, Info, Tags, Tracks};
 
 pub trait ReadSeek: Read + Seek {}
@@ -24,7 +25,7 @@ pub trait DemuxerNew: Demuxer + Sized {
 
 #[rustfmt::skip]
 pub trait Demuxer {
-    fn info(&mut self) -> Result<Option<Info>> { Ok(None) }
+    fn info(&mut self) -> Result<Info>;
     fn tracks(&mut self) -> Result<Option<Tracks>> { Ok(None) }
     fn chapters(&mut self) -> Result<Option<Chapters>> { Ok(None) }
     fn attachments(&mut self) -> Result<Option<Attachments>> { Ok(None) }
@@ -41,3 +42,12 @@ pub fn create_demuxer(container: ContainerFormat, reader: Box<dyn ReadSeek>) ->
         ContainerFormat::Flac => Box::new(FlacDemuxer::new(reader)),
     }
 }
+pub fn create_demuxer_autodetect(
+    mut reader: Box<dyn ReadSeek>,
+) -> Result<Option<Box<dyn Demuxer>>> {
+    let Some(container) = detect_container_format(&mut reader)? else {
+        return Ok(None);
+    };
+    reader.seek(SeekFrom::Start(0))?;
+    Ok(Some(create_demuxer(container, reader)))
+}