2 files changed, 24 insertions, 8 deletions
diff --git a/src/js/plugins/ads.js b/src/js/plugins/ads.js
index 79e6e5d9..48682dcf 100644
--- a/src/js/plugins/ads.js
+++ b/src/js/plugins/ads.js
@@ -11,6 +11,7 @@ import { triggerEvent } from '../utils/events';
 import i18n from '../utils/i18n';
 import is from '../utils/is';
 import loadScript from '../utils/load-script';
+import { silencePromise } from '../utils/promise';
 import { formatTime } from '../utils/time';
 import { buildUrlParams } from '../utils/urls';
 
@@ -517,7 +518,7 @@ class Ads {
         this.playing = false;
 
         // Play video
-        this.player.media.play();
+        silencePromise(this.player.media.play());
     }
 
     /**
diff --git a/src/js/plugins/preview-thumbnails.js b/src/js/plugins/preview-thumbnails.js
index 86eeebc8..4c13ab33 100644
--- a/src/js/plugins/preview-thumbnails.js
+++ b/src/js/plugins/preview-thumbnails.js
@@ -137,19 +137,34 @@ class PreviewThumbnails {
                 throw new Error('Missing previewThumbnails.src config attribute');
             }
 
-            // If string, convert into single-element list
-            const urls = is.string(src) ? [src] : src;
-            // Loop through each src URL. Download and process the VTT file, storing the resulting data in this.thumbnails
-            const promises = urls.map(u => this.getThumbnail(u));
-
-            Promise.all(promises).then(() => {
+            // Resolve promise
+            const sortAndResolve = () => {
                 // Sort smallest to biggest (e.g., [120p, 480p, 1080p])
                 this.thumbnails.sort((x, y) => x.height - y.height);
 
                 this.player.debug.log('Preview thumbnails', this.thumbnails);
 
                 resolve();
-            });
+            };
+            // Via callback()
+            if (is.function(src)) {
+                // Ask
+                let that = this;
+                src(function(thumbnails) {
+                    that.thumbnails = thumbnails;
+                    // Resolve
+                    sortAndResolve();
+                });
+            }
+            // VTT urls
+            else {
+                // If string, convert into single-element list
+                const urls = is.string(src) ? [src] : src;
+                // Loop through each src URL. Download and process the VTT file, storing the resulting data in this.thumbnails
+                const promises = urls.map(u => this.getThumbnail(u));
+                // Resolve
+                Promise.all(promises).then(sortAndResolve);
+            }
         });
     }