fix youtube-like timecode link in video descrition

git-svn-id: http://subversion.utc/svn/webtv@200 6dbbdbe0-869d-41b9-a499-9a762c387331

trunk/upload/player/videojs/player.html

@@ -29,6 +29,7 @@ var mp4_hd='{$mp4_hd}';
 var vp9_sd='{$vp9_sd}';
 var vp9_hd='{$vp9_hd}';
 var width="{$player_data.width}";
+
 {literal}
 videojs("mainvid",
 {
@@ -48,8 +49,11 @@ videojs("mainvid",
 },function(){
 	var player=this;
 	window.player = player;
+	
+	// strangly can't use "canPlayType" on the videojs player on this version
+	var dummyplayer = document.createElement('video');
 	var srcarray=new Array();
-	if (vp9_sd) {
+	if (vp9_sd && dummyplayer.canPlayType('video/webm; codecs="vp9, opus"')=='probably') {
 		srcarray.push(
 		{
 			src: vp9_sd,
@@ -60,7 +64,7 @@ videojs("mainvid",
 		}
 		);
 	}
-	if (vp9_hd) {
+	if (vp9_hd && dummyplayer.canPlayType('video/webm; codecs="vp9, opus"')=='probably') {
 		srcarray.push(
 		{
 			src: vp9_hd,
@@ -95,6 +99,12 @@ videojs("mainvid",
 	}
 	
 	player.updateSrc(srcarray);
+	
+	var time=getTimeFromHash(location.hash);
+	if (time) {
+		videoseek(time);
+	}
+	
 {/literal}
 	{if $vdata.broadcast!='public'}
 	{literal}
@@ -103,5 +113,28 @@ videojs("mainvid",
 	{/if}
 {literal}
 });
+
+// time conversion function based on http://stackoverflow.com/a/9640417
+function hmsToSecondsOnly(str) {
+	var p = str.split(':'),
+		s = 0, m = 1;
+
+	while (p.length > 0) {
+		s += m * parseInt(p.pop(), 10);
+		m *= 60;
+	}
+
+	return s;
+}
+
+function getTimeFromHash(url) {
+	return url.substr(url.indexOf('time=')).split('&')[0].split('=')[1];
+}
+
+function videoseek(str) {
+	player.currentTime(hmsToSecondsOnly(str));
+	player.poster(null);
+}
+
 {/literal}
 </script>
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