Add progressive video download option

Buffer download whole network video during playback to allow fast seeking for online media. Can be disabled in prefs (enabled by default).

clapper_src/playerBase.js

@@ -88,6 +88,7 @@ class ClapperPlayerBase extends GstPlayer.Player
             'seeking-mode',
             'audio-offset',
             'subtitle-offset',
+            'play-flags',
         ];
 
         for(let key of settingsToSet)
@@ -256,6 +257,16 @@ class ClapperPlayerBase extends GstPlayer.Player
                 root[action + '_css_class'](brightClass);
                 debug(`${action} brighter sliders`);
                 break;
+            case 'play-flags':
+                const initialFlags = this.pipeline.flags;
+                const settingsFlags = settings.get_int(key);
+
+                if(initialFlags === settingsFlags)
+                    break;
+
+                this.pipeline.flags = settingsFlags;
+                debug(`changed play flags: ${initialFlags} -> ${settingsFlags}`);
+                break;
             default:
                 break;
         }