First release

node_modules/mpd-parser/src/parseUTCTimingScheme.js

@@ -0,0 +1,46 @@
+import { findChildren } from './utils/xml';
+import { parseAttributes } from './parseAttributes';
+import errors from './errors';
+
+/**
+ * Parses the manifest for a UTCTiming node, returning the nodes attributes if found
+ *
+ * @param {string} mpd
+ *        XML string of the MPD manifest
+ * @return {Object|null}
+ *         Attributes of UTCTiming node specified in the manifest. Null if none found
+ */
+export const parseUTCTimingScheme = (mpd) => {
+  const UTCTimingNode = findChildren(mpd, 'UTCTiming')[0];
+
+  if (!UTCTimingNode) {
+    return null;
+  }
+
+  const attributes = parseAttributes(UTCTimingNode);
+
+  switch (attributes.schemeIdUri) {
+  case 'urn:mpeg:dash:utc:http-head:2014':
+  case 'urn:mpeg:dash:utc:http-head:2012':
+    attributes.method = 'HEAD';
+    break;
+  case 'urn:mpeg:dash:utc:http-xsdate:2014':
+  case 'urn:mpeg:dash:utc:http-iso:2014':
+  case 'urn:mpeg:dash:utc:http-xsdate:2012':
+  case 'urn:mpeg:dash:utc:http-iso:2012':
+    attributes.method = 'GET';
+    break;
+  case 'urn:mpeg:dash:utc:direct:2014':
+  case 'urn:mpeg:dash:utc:direct:2012':
+    attributes.method = 'DIRECT';
+    attributes.value = Date.parse(attributes.value);
+    break;
+  case 'urn:mpeg:dash:utc:http-ntp:2014':
+  case 'urn:mpeg:dash:utc:ntp:2014':
+  case 'urn:mpeg:dash:utc:sntp:2014':
+  default:
+    throw new Error(errors.UNSUPPORTED_UTC_TIMING_SCHEME);
+  }
+
+  return attributes;
+};