Jw播放器视频不在Facebook时间线上播放

Question

jwplayer视频不在Facebook时间线上播放。我完全提到了所有元标记。

<meta property="og:url" content="http://www.oncologytube.com/index.php?page=videos&section=view&vid_id=101217" />
<meta property="og:type" content="movie" /> 
<meta property="og:video:height" content="260" /> 
<meta property="og:video:width" content="420" /> 
<meta property="og:video:type" content="application/x-shockwave-flash" />
<meta property="og:title" content="OncologyTube - American Association for Cancer Research (AACR) 2011: William S.  Dalton, Ph.D., M.D." /> 
<meta property="og:description" content="Dr. William S. Dalton, Moffitt Cancer Center's CEO, president and center director" />
<meta property="og:image" content="http://img.youtube.com/vi/d2AfbyCdDb8/default.jpg" />
<meta property="og:video" content="http://www.oncologytube.com/themes/oncology_tube/templates/source/pages/jwplayer/player.swf?file= http%3A%2F%2Fwww.youtube.com/v/d2AfbyCdDb8&autostart=true" />

facebook帖子没有显示播放按钮。并且只显示链接。

我想知道一些Facebook用户将我的帖子视为视频，但我不是。

有人可以帮忙吗？

提前致谢...