Merge pull request #444 from videojs/blacklist

Fix two bugs in the blacklisting facility

@@ -110,6 +110,7 @@
 
         if (error) {
           loader.error = {
+            playlist: loader.master.playlists[url],
             status: xhr.status,
             message: 'HLS playlist request error at URL: ' + url,
             responseText: xhr.responseText,

@@ -909,10 +909,19 @@ videojs.HlsHandler.prototype.setBandwidth = function(xhr) {
   this.tech_.trigger('bandwidthupdate');
 };
 
+/*
+ * Blacklists a playlist when an error occurs for a set amount of time
+ * making it unavailable for selection by the rendition selection algorithm
+ * and then forces a new playlist (rendition) selection.
+ */
 videojs.HlsHandler.prototype.blacklistCurrentPlaylist_ = function(error) {
   var currentPlaylist, nextPlaylist;
 
-  currentPlaylist = this.playlists.media();
+  // If the `error` was generated by the playlist loader, it will contain
+  // the playlist we were trying to load (but failed) and that should be
+  // blacklisted instead of the currently selected playlist which is likely
+  // out-of-date in this scenario
+  currentPlaylist = error.playlist || this.playlists.media();
 
   // If there is no current playlist, then an error occurred while we were
   // trying to load the master OR while we were disposing of the tech
@@ -921,15 +930,15 @@ videojs.HlsHandler.prototype.blacklistCurrentPlaylist_ = function(error) {
     return this.mediaSource.endOfStream('network');
   }
 
+  // Blacklist this playlist
+  currentPlaylist.excludeUntil = Date.now() + blacklistDuration;
+
   // Select a new playlist
   nextPlaylist = this.selectPlaylist();
 
   if (nextPlaylist) {
     videojs.log.warn('Problem encountered with the current HLS playlist. Switching to another playlist.');
 
-    // Blacklist this playlist
-    currentPlaylist.excludeUntil = Date.now() + blacklistDuration;
-
     return this.playlists.media(nextPlaylist);
   } else {
     videojs.log.warn('Problem encountered with the current HLS playlist. No suitable alternatives found.');

@@ -1514,6 +1514,33 @@ test('segment 404 should trigger blacklisting of media', function () {
   ok(media.excludeUntil > 0, 'original media blacklisted for some time');
 });
 
+test('playlist 404 should blacklist media', function () {
+  var media, url;
+
+  player.src({
+    src: 'manifest/master.m3u8',
+    type: 'application/vnd.apple.mpegurl'
+  });
+  openMediaSource(player);
+
+  player.tech_.hls.bandwidth = 1e10;
+  requests[0].respond(200, null,
+                           '#EXTM3U\n' +
+                           '#EXT-X-STREAM-INF:BANDWIDTH=1000\n' +
+                           'media.m3u8\n' +
+                           '#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
+                           'media1.m3u8\n'); // master
+
+  equal(player.tech_.hls.playlists.media_, undefined, 'no media is initially set');
+
+  requests[1].respond(400); // media
+
+  url = requests[1].url.slice(requests[1].url.lastIndexOf('/') + 1);
+  media = player.tech_.hls.playlists.master.playlists[url];
+
+  ok(media.excludeUntil > 0, 'original media blacklisted for some time');
+});
+
 test('seeking in an empty playlist is a non-erroring noop', function() {
   var requestsLength;