- Fix for duration update in parser.

- Updated test suite now looks for manifest.totalDuration.
- Implemented ZEN-TOTAL-DURATION tag recognition.

@@ -141,6 +141,18 @@
       this.trigger('data', event);
       return;
     }
+    match = (/^#ZEN-TOTAL-DURATION:?([0-9.]*)?/).exec(line);
+    if (match) {
+      event = {
+        type: 'tag',
+        tagType: 'totalduration'
+      };
+      if (match[1]) {
+        event.duration = parseInt(match[1], 10);
+      }
+      this.trigger('data', event);
+      return;
+    }
     match = (/^#EXT-X-VERSION:?([0-9.]*)?/).exec(line);
     if (match) {
       event = {
@@ -284,7 +296,8 @@
 
     // the manifest is empty until the parse stream begins delivering data
     this.manifest = {
-      allowCache: true
+      allowCache: true,
+      totalDuration: 0
     };
 
     // update the manifest with the m3u8 entry from the parse stream
@@ -373,17 +386,34 @@
               }
               this.manifest.targetDuration = entry.duration;
             },
+            'totalduration': function() {
+              if (!isFinite(entry.duration) || entry.duration < 0) {
+                this.trigger('warn', {
+                  message: 'ignoring invalid total duration: ' + entry.duration
+                });
+                return;
+              }
+              this.manifest.totalDuration = entry.duration;
+            },
             'endlist': function() {
+              if(this.manifest.totalDuration === 0)
+              {
                 var calculatedDuration = 0,
                   i;
                 for( i = 0; i < this.manifest.segments.length; i++) {
                   if(this.manifest.segments[i].duration) {
                     calculatedDuration += this.manifest.segments[i].duration;
-                } else if (this.manifest.targetDuration) {
+                  } else if (this.manifest.targetDuration > 0) {
                     calculatedDuration += this.manifest.targetDuration;
+                  } else {
+                    calculatedDuration += 0;
                   }
                 }
-              this.trigger('durationUpdate', parseInt(calculatedDuration));
+                this.manifest.totalDuration = calculatedDuration;
+                this.trigger('info', {
+                  message: 'updating total duration to use a calculated value'
+                })
+              }
             }
           })[entry.tagType] || noop).call(self);
         },

@@ -164,6 +164,10 @@ var
             parser.push(xhr.responseText);
             player.hls.manifest = parser.manifest;
 
+            if(parser.manifest.totalDuration) {
+              player.duration(parser.manifest.totalDuration);
+            }
+
             player.trigger('loadedmanifest');
 
             if (parser.manifest.segments) {

 {
   "allowCache": true,
   "targetDuration": 10,
+  "totalDuration": 40,
   "mediaSequence": 0,
   "playlistType": "VOD",
   "segments": [{

 {
   "targetDuration": 10,
+  "totalDuration": 161.4167,
   "allowCache": true,
   "mediaSequence": 0,
   "playlistType": "VOD",

 {
   "allowCache": true,
   "targetDuration": 10,
+  "totalDuration": 161.4167,
   "mediaSequence": 0,
   "playlistType": "VOD",
   "segments": [{

 {
   "targetDuration": 10,
+  "totalDuration": 10,
   "allowCache": false,
   "mediaSequence": 0,
   "playlistType": "VOD",

 {
   "allowCache": true,
   "targetDuration": 10,
+  "totalDuration": 40,
   "mediaSequence": 0,
   "playlistType": "VOD",
   "segments": [{

 {
   "targetDuration": 10,
+  "totalDuration": 10,
   "allowCache": true,
   "mediaSequence": 0,
   "playlistType": "VOD",

@@ -3,6 +3,7 @@
   "mediaSequence": 0,
   "playlistType": "VOD",
   "targetDuration": 8,
+  "totalDuration": 24.32,
   "segments": [{
     "duration": 6.64,
     "uri": "/test/ts-files/tvy7/8a5e2822668b5370f4eb1438b2564fb7ab12ffe1-hi720.ts"

 {
   "allowCache": true,
   "targetDuration": 10,
+  "totalDuration": 58,
   "mediaSequence": 0,
   "playlistType": "VOD",
   "segments": [{

 {
   "allowCache": true,
+  "totalDuration": 0,
   "playlists": [{
     "attributes": {
       "PROGRAM-ID": 1,

 {
   "allowCache": true,
   "targetDuration": 10,
+  "totalDuration": 58,
   "mediaSequence": 0,
   "playlistType": "EVENT",
   "segments": [{

 {
   "allowCache": true,
   "targetDuration": 10,
+  "totalDuration": 164.7,
   "mediaSequence": 0,
   "playlistType": "VOD",
   "segments": [{

 {
   "targetDuration": 10,
+  "totalDuration": 10,
   "allowCache": true,
   "mediaSequence": 0,
   "playlistType": "VOD",

@@ -3,6 +3,7 @@
   "mediaSequence": 0,
   "playlistType": "VOD",
   "targetDuration": 8,
+  "totalDuration": 24.32,
   "segments": [{
     "duration": 6.64,
     "uri": "/test/ts-files/tvy7/8a5e2822668b5370f4eb1438b2564fb7ab12ffe1-hi720.ts"

 {
   "allowCache": true,
   "targetDuration": 10,
+  "totalDuration": 58,
   "mediaSequence": 0,
   "playlistType": "VOD",
   "segments": [{

 {
   "allowCache": true,
   "mediaSequence": 0,
+  "totalDuration": 161.4167,
   "playlistType": "VOD",
   "segments": [{
     "duration": 10,

 {
   "allowCache": true,
+  "totalDuration": 0,
   "playlists": [{
     "attributes": {
       "PROGRAM-ID": 1,

 {
   "allowCache": true,
   "targetDuration": 10,
+  "totalDuration": 40,
   "mediaSequence": 0,
   "playlistType": "VOD",
   "segments": [{

@@ -2,6 +2,7 @@
   "allowCache": true,
   "mediaSequence": 0,
   "playlistType": "VOD",
+  "totalDuration": 24.32,
   "targetDuration": 8,
   "segments": [{
     "duration": 6.64,

 {
   "allowCache": true,
   "mediaSequence": 0,
+  "totalDuration": 24.32,
   "playlistType": "VOD",
   "targetDuration": 8,
   "segments": [{

@@ -3,6 +3,7 @@
   "mediaSequence": 0,
   "playlistType": "VOD",
   "targetDuration": 8,
+  "totalDuration": 30.64,
   "segments": [{
     "duration": 6.64,
     "uri": "/test/ts-files/tvy7/8a5e2822668b5370f4eb1438b2564fb7ab12ffe1-hi720.ts"

 {
   "allowCache": true,
   "mediaSequence": -11,
+  "totalDuration": 24.32,
   "playlistType": "VOD",
   "targetDuration": 8,
   "segments": [{

 {
   "allowCache": true,
   "targetDuration": 10,
+  "totalDuration": 161.4167,
   "mediaSequence": 0,
   "playlistType": "VOD",
   "segments": [{

@@ -3,6 +3,7 @@
   "mediaSequence": 11,
   "playlistType": "VOD",
   "targetDuration": 8,
+  "totalDuration": 24.32,
   "segments": [{
     "duration": 6.64,
     "uri": "/test/ts-files/tvy7/8a5e2822668b5370f4eb1438b2564fb7ab12ffe1-hi720.ts"