Improve EOF processing for potential re-reading

src/reading.rs

@@ -761,7 +761,16 @@ impl<T :io::Read + io::Seek> PacketReader<T> {
 			if let Some(pck) = self.base_pck_rdr.read_packet() {
 				return Ok(Some(pck));
 			}
-			let page = tri!(self.read_ogg_page());
+			// Save the current position to rewind if EOF is reached.
+			let pos = tri!(self.rdr.stream_position());
+			let page = tri!(match self.read_ogg_page() {
+				Err(OggReadError::ReadError(e)) if e.kind() == ErrorKind::UnexpectedEof => {
+					// Rewind to the saved position to allow for potential re-reading.
+					self.rdr.seek(SeekFrom::Start(pos))?;
+					Err(OggReadError::ReadError(e))
+				}
+				ret => ret,
+			});
 			match page {
 				Some(page) => tri!(self.base_pck_rdr.push_page(page)),
 				None => return Ok(None),