我無法通過YouTube Player API的getDuration()方法獲得加載/提示視頻的正確視頻持續時間/長度(以秒爲單位);但是,一旦視頻開始播放,同樣的方法會返回有效值!想知道YouTube如何能夠展示加載/提示視頻的有效期。YouTube播放器API:如何獲取加載/提示視頻的播放時間而不播放?
當我加載此HTML頁面有15秒鐘的視頻剪輯,我得到下面的調試輸出:
狀態= 5時長= -0.000025
當我打的播放按鈕,我得到以下調試輸出:
狀態= 3持續時間= 15,
將不勝感激的溶液或一種解決方法。加載並立即播放和暫停播放器將不是我最喜歡的方法。
<html>
<head>
<script type="text/javascript">
var videoId;
videoId = 'http://www.youtube.com/v/4TSJhIZmL0A'; // bbc
// videoId = 'http://www.youtube.com/v/ezwyHNs_W_A'; // physics
function $(id) {
return document.getElementById(id);
}
</script>
<script src="http://www.google.com/jsapi"></script>
<script>
google.load("swfobject", "2.1");
</script>
</head>
<body>
<table>
<tr><td>
<div id="player">
You need Flash player 8+ and JavaScript enabled to view this video.
</div>
<script>
var ytplayer;
function myOnPlayerStateChange(state) {
switch(state) {
case 1: // playing
$("out").innerHTML += " playing";
break;
case 2: // paused
$("out").innerHTML += " paused";
break;
case 0: // ended
$("out").innerHTML += " ended";
break;
case -1: // unstarted
case 3: // buffering
case 5: // cued
$("out").innerHTML += " state = " + state;
break;
default: // unknown
$("out").innerHTML += " state = " + state;
break;
}
$("out").innerHTML += " duration = " + ytplayer.getDuration() + ",";
}
function myOnPlayerError(errorCode) {
$("out").innerHTML += " Error occurred: " + errorCode;
}
function onYouTubePlayerReady(playerId) {
ytplayer = ytplayer || $(playerId);
ytplayer.addEventListener("onStateChange", "myOnPlayerStateChange");
ytplayer.addEventListener("onError", "myOnPlayerError");
}
var params = { allowScriptAccess: "always", bgcolor: "#cccccc" };
var atts = { };
swfobject.embedSWF(videoId + "?border=0&enablejsapi=1&playerapiid=" + 'player', 'player', 425, 344, "8", null, null, params, atts);
</script>
</td></tr>
</table>
<div id="out"></div>
<div id="err"></div>
</body>
</html>
不幸的是所有的答案已經因爲在YouTube API的谷歌禁用V2過時。 – Synetech 2015-12-31 01:41:58