Add a stage to resynth test's output pipeline to permit patching timestamps

src/bin/resynth.rs

@@ -4,6 +4,7 @@ use std::io::{Cursor, stdout, Write};
 use lab_ebml::Schema;
 use lab_ebml::webm::*;
 use lab_ebml::webm::WebmElement::*;
+use lab_ebml::timecode_fixer::TimecodeFixer;
 
 const SRC_FILE: &'static [u8] = include_bytes!("../data/test1.webm");
 
@@ -34,12 +35,14 @@ pub fn main() {
     let mut output = Vec::new();
     let mut cursor = Cursor::new(output);
 
+    let mut fixer = TimecodeFixer::new();
+
     for element in &head {
-        encode_webm_element(element, &mut cursor).unwrap();
+        encode_webm_element(&fixer.process(element), &mut cursor).unwrap();
     }
 
     for element in &body {
-        encode_webm_element(element, &mut cursor).unwrap();
+        encode_webm_element(&fixer.process(element), &mut cursor).unwrap();
     }
 
     output = cursor.into_inner();

src/lib.rs

@@ -4,6 +4,7 @@ extern crate futures;
 
 pub mod ebml;
 mod iterator;
+pub mod timecode_fixer;
 pub mod webm;
 
 pub use ebml::{Error, Schema};

src/timecode_fixer.rs

@@ -0,0 +1,18 @@
+// TODO: (iterator? stream?) adapter that fixes SimpleBlock/Cluster timecodes
+use webm::WebmElement;
+
+pub struct TimecodeFixer {
+}
+
+impl TimecodeFixer {
+    pub fn new() -> TimecodeFixer {
+        TimecodeFixer {
+        }
+    }
+
+    pub fn process<'b>(&mut self, element: &WebmElement<'b>) -> WebmElement<'b> {
+        match element {
+            _ => *element
+        }
+    }
+}

src/webm.rs

@@ -12,7 +12,7 @@ const TIMECODE_ID: u64 = 0x67;
 const SIMPLE_BLOCK_ID: u64 = 0x23;
 pub struct Webm;
 
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Copy, Clone)]
 pub struct SimpleBlock<'b> {
     pub track: u64,
     pub timecode: i16,
@@ -20,7 +20,7 @@ pub struct SimpleBlock<'b> {
     pub data: &'b[u8]
 }
 
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Copy, Clone)]
 pub enum WebmElement<'b> {
     EbmlHead,
     Void,