From ab17fc849695c750cd7a1608380bab4bc97cc8b8 Mon Sep 17 00:00:00 2001
From: j <0x006A@0x2620.org>
Date: Wed, 12 Feb 2014 15:29:35 +0000
Subject: [PATCH] set preload='none' if buffered beyond out point

---
 source/Ox.UI/js/Video/VideoElement.js | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/source/Ox.UI/js/Video/VideoElement.js b/source/Ox.UI/js/Video/VideoElement.js
index 55646cf0..f0f51ad7 100644
--- a/source/Ox.UI/js/Video/VideoElement.js
+++ b/source/Ox.UI/js/Video/VideoElement.js
@@ -84,6 +84,7 @@ Ox.VideoElement = function(options, self) {
     self.paused = true;
     self.seeking = false;
     self.loading = true;
+    self.buffering = true;
     self.$videos = [getVideo(), getVideo()];
     self.$video = self.$videos[self.currentVideo];
     self.video = self.$video[0];
@@ -141,7 +142,18 @@ Ox.VideoElement = function(options, self) {
                     // metadata loaded in loadItems
                 },
                 progress: function() {
-                    // not implemented
+                    // stop buffering if buffered to end point
+                    if (self.video == this && self.buffering) {
+                        var item = self.items[self.currentItem];
+                        Ox.range(self.video.buffered.length).forEach(function(i) {
+                            if (self.video.buffered.start(i) <= item['in']
+                                && self.video.buffered.end(i) >= item.out) {
+                                self.video.preload = 'none';
+                                self.buffering = false;
+                            }
+                        });
+                    }
+                    
                 },
                 seeking: function() {
                     //seeking event triggered in setCurrentTime
@@ -232,6 +244,7 @@ Ox.VideoElement = function(options, self) {
             }
         });
         nextVideo.src = next.src;
+        nextVideo.preload = 'auto';
     }
 
     function setCurrentItem(item) {
@@ -290,10 +303,12 @@ Ox.VideoElement = function(options, self) {
         if (self.$video.attr('src') != item.src) {
             self.loadedMetadata && Ox.Log('Video', 'caching next item failed, reset src');
             self.video.src = item.src;
+            self.video.preload = 'auto';
         }
         self.video.volume = volume;
         self.video.muted = muted;
         self.$video.css(css);
+        self.buffering = true;
         Ox.Log('Video', 'sCV', self.video.src, item['in'],
             self.video.currentTime, self.video.seeking);
         isReady(self.$video, function(video) {