Add VDMS streams in demo app (#781)

Closes #780

Backported to v2.0.x

AUTHORS

@@ -37,3 +37,4 @@ Sanborn Hilland <sanbornh@rogers.com>
 TalkTalk Plc <*@talktalkplc.com>
 Toshihiro Suzuki <t.suzuki326@gmail.com>
 uStudio Inc. <*@ustudio.com>
+Verizon Digital Media Services <*@verizondigitalmedia.com>

CONTRIBUTORS

@@ -34,6 +34,7 @@ Jason Palmer <jason@jason-palmer.com>
 Jesper Haug Karsrud <jesper.karsrud@gmail.com>
 Joey Parrish <joeyparrish@google.com>
 Johan Sundström <oyasumi@gmail.com>
+John Bowers <john.bowers@verizondigitalmedia.com>
 Jonas Birmé <jonas.birme@eyevinn.se>
 Jono Ward <jonoward@gmail.com>
 Jozef Chúťka <jozefchutka@gmail.com>

demo/assets.js

@@ -35,7 +35,8 @@ shakaAssets.Encoder = {
   BITCODIN: 'Bitcodin',
   NIMBLE_STREAMER: 'Nimble Streamer',
   AZURE_MEDIA_SERVICES: 'Azure Media Services',
-  MP4BOX: 'MP4Box'
+  MP4BOX: 'MP4Box',
+  UPLYNK: 'Verizon Digital Media Services'
 };
 
 
@@ -50,7 +51,8 @@ shakaAssets.Source = {
   BITCODIN: 'Bitcodin',
   NIMBLE_STREAMER: 'Nimble Streamer',
   AZURE_MEDIA_SERVICES: 'Azure Media Services',
-  GPAC: 'GPAC'
+  GPAC: 'GPAC',
+  UPLYNK: 'Verizon Digital Media Services'
 };
 
 
@@ -73,6 +75,7 @@ shakaAssets.Feature = {
   PSSH: 'embedded PSSH',
   MULTIKEY: 'multiple keys',
   MULTIPERIOD: 'multiple Periods',
+  ENCRYPTED_WITH_CLEAR: 'mixing encrypted and unencrypted periods',
 
   SUBTITLES: 'subtitles',
   CAPTIONS: 'captions',
@@ -219,6 +222,49 @@ shakaAssets.YouTubeResponseFilter = function(type, response) {
 };
 
 
+/**
+ * A response filter for VDMS Uplynk manifest responses,
+ * this allows us to get the license prefix that is necessary
+ * to later generate a proper license response.
+ * @param {shaka.net.NetworkingEngine.RequestType} type
+ * @param {shakaExtern.Response} response
+ * The uplynk_prefix attribute is set on the shakaAssets object
+ * and is later referenced in the UplynkRequestFilter.
+ */
+shakaAssets.UplynkResponseFilter = function(type, response) {
+  if (type == shaka.net.NetworkingEngine.RequestType.MANIFEST) {
+    // Parse a custom header that contains a value needed to build a proper
+    // license server URL
+    shakaAssets.uplynk_prefix = response.headers['x-uplynk-prefix'];
+  }
+};
+
+
+/**
+ * A license request filter for VDMS Uplynk license requests.
+ * @param {shaka.net.NetworkingEngine.RequestType} type
+ * @param {shakaExtern.Request} request
+ * The uplynk_prefix variable is retrieved from the shakaAssets
+ * object, and requires that the uplynk manifest response filter
+ * also be set.
+ */
+shakaAssets.UplynkRequestFilter = function(type, request) {
+  if (type == shaka.net.NetworkingEngine.RequestType.LICENSE ||
+      type == shaka.net.NetworkingEngine.RequestType.MANIFEST) {
+    request.allowCrossSiteCredentials = true;
+  }
+
+  if (type == shaka.net.NetworkingEngine.RequestType.LICENSE) {
+    // Modify the license request URL based on our cookie
+    if (request.uris[0].indexOf('wv') !== -1) {
+      request.uris[0] = shakaAssets.uplynk_prefix.concat('/wv');
+    } else if (request.uris[0].indexOf('ck') !== -1) {
+      request.uris[0] = shakaAssets.uplynk_prefix.concat('/ck');
+    }
+  }
+};
+
+
 /**
  * @param {!Node} node
  * @return {Array.<shakaExtern.DrmInfo>}
@@ -1042,6 +1088,60 @@ shakaAssets.testAssets = [
       shakaAssets.Feature.MP4,
       shakaAssets.Feature.SEGMENT_TEMPLATE_DURATION
     ]
+  },
+  // }}}
+
+  // Verizon Digital Media Services (VDMS) assets {{{
+  {
+    name: 'Big Buck Bunny',
+    manifestUri: 'https://content.uplynk.com/224ac8717e714b68831997ab6cea4015.mpd', // gjslint: disable=110
+
+    encoder: shakaAssets.Encoder.UPLYNK,
+    source: shakaAssets.Source.UPLYNK,
+    drm: [
+      shakaAssets.KeySystem.WIDEVINE,
+      shakaAssets.KeySystem.CLEAR_KEY
+    ],
+    features: [
+      shakaAssets.Feature.MP4,
+      shakaAssets.Feature.SEGMENT_LIST_DURATION,
+      shakaAssets.Feature.PSSH,
+      shakaAssets.Feature.HIGH_DEFINITION
+    ],
+    licenseServers: {
+      'com.widevine.alpha': 'https://content.uplynk.com/wv',
+      'org.w3.clearkey': 'https://content.uplynk.com/ck'
+    },
+    requestFilter: shakaAssets.UplynkRequestFilter,
+    responseFilter: shakaAssets.UplynkResponseFilter
+  },
+  {
+    name: 'Sintel - (multiperiod-mix of encrypted and unencrypted)',
+    //Unencrypted periods interspersed with protected periods
+    //Requires Chrome 58
+    manifestUri: 'https://content.uplynk.com/1eb40d8e64234f5c9879db7045c3d48c.mpd?ad=cleardash&rays=cdefg', // gjslint: disable=110
+
+    encoder: shakaAssets.Encoder.UPLYNK,
+    source: shakaAssets.Source.UPLYNK,
+    drm: [
+      shakaAssets.KeySystem.WIDEVINE,
+      shakaAssets.KeySystem.CLEAR_KEY
+    ],
+    features: [
+      shakaAssets.Feature.MP4,
+      shakaAssets.Feature.MULTIPLE_LANGUAGES,
+      shakaAssets.Feature.SEGMENT_LIST_DURATION,
+      shakaAssets.Feature.PSSH,
+      shakaAssets.Feature.HIGH_DEFINITION,
+      shakaAssets.Feature.MULTIPERIOD,
+      shakaAssets.Feature.ENCRYPTED_WITH_CLEAR
+    ],
+    licenseServers: {
+      'com.widevine.alpha': 'https://content.uplynk.com/wv',
+      'org.w3.clearkey': 'https://content.uplynk.com/ck'
+    },
+    requestFilter: shakaAssets.UplynkRequestFilter,
+    responseFilter: shakaAssets.UplynkResponseFilter
   }
   // }}}
 ];