Youtube api 如何在youtube嵌入api中侦听seek事件
嗨,我正在使用youtube iframe嵌入API。我想按用户跟踪seek视频事件。请帮助我如何跟踪此事件。单凭api无法跟踪事件 您所能做的是在间隔内运行javascript函数,并检查测量的时差是否与预期的时差不同 下面是一个示例代码:Youtube api 如何在youtube嵌入api中侦听seek事件,youtube-api,Youtube Api,嗨,我正在使用youtube iframe嵌入API。我想按用户跟踪seek视频事件。请帮助我如何跟踪此事件。单凭api无法跟踪事件 您所能做的是在间隔内运行javascript函数,并检查测量的时差是否与预期的时差不同 下面是一个示例代码: var tag=document.createElement('script'); tag.src=”https://www.youtube.com/iframe_api"; var firstScriptTag=document.getElement
var tag=document.createElement('script');
tag.src=”https://www.youtube.com/iframe_api";
var firstScriptTag=document.getElementsByTagName('script')[0];
firstScriptTag.parentNode.insertBefore(标记,firstScriptTag);
var播放器;
函数onyoutubeiframeapiredy(){
控制台日志(“就绪”);
player=新的YT.player('player'{
高度:“390”,
宽度:“640”,
videoId:'cRmNPE0HwE8',
活动:{
“onReady”:onPlayerReady,
“onStateChange”:onPlayerStateChange
}
});
//控制台日志(播放器);
}
函数onPlayerReady(事件){
event.target.playVideo();
///时间追踪从这里开始
var lastTime=-1;
var区间=1000;
var checkPlayerTime=函数(){
如果(上次!=-1){
if(player.getPlayerState()==YT.PlayerState.PLAYING){
var t=player.getCurrentTime();
//log(Math.abs(t-lastTime-1));
///预期间隔1秒,有500毫秒的余量
如果(数学绝对值(t-lastTime-1)>0.5){
//发生了一次寻觅
console.log(“seek”);///在此处触发事件!
}
}
}
lastTime=player.getCurrentTime();
setTimeout(checkPlayerTime,interval);///在1秒内重复函数调用
}
setTimeout(checkPlayerTime,interval);///初始调用延迟
}
函数onPlayerStateChange(事件){
}
您可以简单地做一点(无需定时器):
const tag=document.createElement('script');
tag.src=”https://www.youtube.com/iframe_api";
const firstScriptTag=document.getElementsByTagName('script')[0];
firstScriptTag.parentNode.insertBefore(标记,firstScriptTag);
让我们先发制人;
让过去的时间;
函数onyoutubeiframeapiredy(){
player=新的YT.player('player'{
活动:{
“onStateChange”:onPlayerStateChange
}
});
}
函数onPlayerStateChange({target,data}){
如果(data!=3){//我们不需要检测缓冲
返回;
}
const currentTime=target.getCurrentTime();
//检测未暂停的现有操作和以前的操作
如果(!previousAction | | previousAction!=2){
//返回现有youtube api数据(-1 | 0 | 1 | 5)
返回数据;
}else if(Math.abs(先前时间-当前时间)>1){
//我们有Seek事件,我们有它开始的时间(previousTime)。我们还有Seek事件的完成时间(currentTime)。
返回“Seek”
}
previousTime=当前时间;
前一个动作=数据
}
我已经调查了youtube api事件,但api中没有seek事件。当用户搜索视频时,我需要运行回调函数。根据说明,无法跟踪此类事件,唯一的方法是跟踪自己的player.getCurrentTime()
每隔一段时间检查视频时间是否与间隔一致,我会使用window.requestAnimationFrame获得更好的结果。@KirillReznikov我会避免在window.requestAnimationFrame回调中添加额外的计算,因为这会降低用户体验,您不需要在帧级别检测seek
<html>
<body>
<div id="player"></div>
<script>
var tag = document.createElement('script');
tag.src = "https://www.youtube.com/iframe_api";
var firstScriptTag = document.getElementsByTagName('script')[0];
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
var player;
function onYouTubeIframeAPIReady() {
console.log("ready");
player = new YT.Player('player', {
height: '390',
width: '640',
videoId: 'cRmNPE0HwE8',
events: {
'onReady': onPlayerReady,
'onStateChange': onPlayerStateChange
}
});
//console.log(player);
}
function onPlayerReady(event) {
event.target.playVideo();
/// Time tracking starting here
var lastTime = -1;
var interval = 1000;
var checkPlayerTime = function () {
if (lastTime != -1) {
if(player.getPlayerState() == YT.PlayerState.PLAYING ) {
var t = player.getCurrentTime();
//console.log(Math.abs(t - lastTime -1));
///expecting 1 second interval , with 500 ms margin
if (Math.abs(t - lastTime - 1) > 0.5) {
// there was a seek occuring
console.log("seek"); /// fire your event here !
}
}
}
lastTime = player.getCurrentTime();
setTimeout(checkPlayerTime, interval); /// repeat function call in 1 second
}
setTimeout(checkPlayerTime, interval); /// initial call delayed
}
function onPlayerStateChange(event) {
}
</script>
</body>
</html>
<script>
const tag = document.createElement('script');
tag.src = "https://www.youtube.com/iframe_api";
const firstScriptTag = document.getElementsByTagName('script')[0];
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
let previousAction;
let previousTime;
function onYouTubeIframeAPIReady() {
player = new YT.Player('player', {
events: {
'onStateChange': onPlayerStateChange
}
});
}
function onPlayerStateChange({target, data}) {
if(data != 3) { // we don't need to detect buffering
return;
}
const currentTime = target.getCurrentTime();
// detect existing action and previous action which is not paused
if (!previousAction || previousAction != 2 ) {
// return existing youtube api data (-1 || 0 || 1 || 5 )
return data;
} else if (Math.abs(previousTime - currentTime) > 1 ) {
// we have Seek event and we have time when it was started(previousTime). Also we have finish time of Seek event(currentTime).
return 'Seek'
}
previousTime = currentTime;
previousAction = data
}
</script>