diff -r 000000000000 -r 6474c204b198 content/media/test/dynamic_redirect.sjs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/media/test/dynamic_redirect.sjs	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,54 @@
+function parseQuery(request, key) {
+  var params = request.queryString.split('&');
+  for (var j = 0; j < params.length; ++j) {
+    var p = params[j];
+	if (p == key)
+	  return true;
+    if (p.indexOf(key + "=") == 0)
+	  return p.substring(key.length + 1);
+	if (p.indexOf("=") < 0 && key == "")
+	  return p;
+  }
+  return false;
+}
+
+// Return seek.ogv file content for the first request with a given key.
+// All subsequent requests return a redirect to a different-origin resource.
+function handleRequest(request, response)
+{
+  var key = parseQuery(request, "key");
+  var resource = parseQuery(request, "res");
+
+  if (getState(key) == "redirect") {
+    var origin = request.host == "mochi.test" ? "example.org" : "mochi.test:8888";
+    response.setStatusLine(request.httpVersion, 303, "See Other");
+    response.setHeader("Location", "http://" + origin + "/tests/content/media/test/" + resource);
+    response.setHeader("Content-Type", "text/html");
+    return;
+  }
+
+  setState(key, "redirect");
+
+  var file = Components.classes["@mozilla.org/file/directory_service;1"].
+                        getService(Components.interfaces.nsIProperties).
+                        get("CurWorkD", Components.interfaces.nsILocalFile);
+  var fis  = Components.classes['@mozilla.org/network/file-input-stream;1'].
+                        createInstance(Components.interfaces.nsIFileInputStream);
+  var bis  = Components.classes["@mozilla.org/binaryinputstream;1"].
+                        createInstance(Components.interfaces.nsIBinaryInputStream);
+  var paths = "tests/content/media/test/" + resource;
+  var split = paths.split("/");
+  for(var i = 0; i < split.length; ++i) {
+    file.append(split[i]);
+  }
+  fis.init(file, -1, -1, false);
+  dump("file=" + file + "\n");
+  bis.setInputStream(fis);
+  var bytes = bis.readBytes(bis.available());
+  response.setStatusLine(request.httpVersion, 206, "Partial Content");
+  response.setHeader("Content-Range", "bytes 0-" + (bytes.length - 1) + "/" + bytes.length);
+  response.setHeader("Content-Length", ""+bytes.length, false);
+  response.setHeader("Content-Type", "video/ogg", false);
+  response.write(bytes, bytes.length);
+  bis.close();
+}