Fix EBML Source lifetimes, breaking the chunker

src/ebml.rs

@@ -225,7 +225,7 @@ pub trait FromEbml<'b>: Sized {
     fn should_unwrap(element_id: u64) -> bool;
     fn decode(element_id: u64, bytes: &'b[u8]) -> Result<Self, Error>;
 
-    fn decode_element(bytes: &'b[u8]) -> Result<Option<(Self, usize)>, Error> {
+    fn decode_element<'a: 'b>(bytes: &'a[u8]) -> Result<Option<(Self, usize)>, Error> {
         match decode_tag(bytes) {
             Ok(None) => Ok(None),
             Err(err) => Err(err),
@@ -263,7 +263,7 @@ pub trait FromEbml<'b>: Sized {
 pub trait EbmlEventSource<'a> {
     type Event: FromEbml<'a>;
     type Error;
-    fn poll_event(&mut self) -> Result<Async<Option<Self::Event>>, Self::Error>;
+    fn poll_event(&'a mut self) -> Result<Async<Option<Self::Event>>, Self::Error>;
 }
 
 #[cfg(test)]

src/iterator.rs

@@ -41,7 +41,7 @@ impl<'a, T: FromEbml<'a>> EbmlEventSource<'a> for EbmlIterator<'a, T> {
     type Event = T;
     type Error = Error;
 
-    fn poll_event(&mut self) -> Result<Async<Option<T>>, Error> {
+    fn poll_event(&'a mut self) -> Result<Async<Option<T>>, Error> {
         match Self::Event::decode_element(&self.slice[self.position..]) {
             Err(err) => Err(err),
             Ok(None) => Ok(Async::Ready(None)),

src/webm_stream.rs

@@ -47,7 +47,7 @@ impl<I: AsRef<[u8]>, S: Stream<Item = I>> WebmStream<S> {
         }
     }
 
-    pub fn poll_event2<'a>(&'a mut self) -> Result<Async<Option<WebmElement<'a>>>, ParsingError<S::Error>> {
+    pub fn poll_event<'a>(&'a mut self) -> Result<Async<Option<WebmElement<'a>>>, ParsingError<S::Error>> {
         // release buffer from previous event
         self.buffer.advance(self.last_read);
         self.last_read = 0;
@@ -71,20 +71,14 @@ impl<I: AsRef<[u8]>, S: Stream<Item = I>> WebmStream<S> {
     }
 }
 
-/*fn umm<'a, I: AsRef<[u8]>, S: Stream<Item = I>>(webm_stream: &'a mut WebmStream<S>)
+impl<'a, I: AsRef<[u8]>, S: Stream<Item = I>> EbmlEventSource<'a> for WebmStream<S> {
- -> Result<Async<Option<WebmElement<'a>>>, ParsingError<S::Error>>
-{
-    return webmStream.poll_event();
-}*/
-
-/*impl<'a, I: AsRef<[u8]>, S: Stream<Item = I>> EbmlEventSource<'a> for WebmStream<S> {
     type Event = WebmElement<'a>;
     type Error = ParsingError<S::Error>;
 
-    fn poll_event(&'a mut self) -> Result<Async<Option<WebmElement<'a>>>, Self::Error> {
+    fn poll_event(&'a mut self) -> Result<Async<Option<Self::Event>>, Self::Error> {
-        return self.poll_event2();
+        return WebmStream::poll_event(&mut self);
     }
-}*/
+}
 
 #[cfg(test)]
 mod tests {