Slick Carousel : Pause the Slick autoplay when youtube video is playing

问题

I am using http://kenwheeler.github.io/slick/ for the carousal. But the problem is the autoplay slides the slick to next even when the youtube video is playing.

JSFIDDLE

Currently I am using the below JS but nothing seems to work on it.

$('#main-slider').slick({
      slidesToShow: 1,
      slidesToScroll: 1,
      autoplay: true,
      autoplaySpeed: 3000,
      dots: true,
      infinite: true,
      adaptiveHeight: true,
      arrows: false
  });

  var video = $('#main-slider .slick-active').find('iframe').get(0).play();

  $('#main-slider').on('afterChange', function(event, slick, currentSlide, nextSlide){
    $('#main-slider .slick-slide').find('video').get(0).pause();
    var video = $('#main-slider .slick-active').find('video').get(0).play();
});

There are few similar question but none of them has a solution. Slick-carousel how to stop autoplay when video is on via youtube api

回答1:

Please find the solution here:

Fiddle : http://jsfiddle.net/rijokpaul/pyzpg7st/2/

I solved it with YouTube Iframe API

    var tag = document.createElement('script');
    tag.id = 'iframe-demo';
    tag.src = 'https://www.youtube.com/iframe_api';
    var firstScriptTag = document.getElementsByTagName('script')[0];
    firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);

    var player;
    function onYouTubeIframeAPIReady() {
        var elems1 = document.getElementsByClassName('yt-player');
        for(var i = 0; i < elems1.length; i++) {

            player = new YT.Player(elems1[i], {
                events: {
                    //'onReady': onPlayerReady,
                    'onStateChange': onPlayerStateChange
                }
            });
        }
    }
    function onPlayerReady(event) {

    }
    function handleVideo(playerStatus) {
        if (playerStatus == -1) {
            // unstarted
            $('#main-slider').slick('slickPause');
        } else if (playerStatus == 0) {
            // ended
            $('#main-slider').slick('slickPlay');

        } else if (playerStatus == 1) {
            // playing = green                
            $('#main-slider').slick('slickPause');                
        } else if (playerStatus == 2) {
            // paused = red
            $('#main-slider').slick('slickPlay');
        } else if (playerStatus == 3) {
            // buffering = purple
        } else if (playerStatus == 5) {
            // video cued
        }
    }
    function onPlayerStateChange(event) {
        handleVideo(event.data);
    }

    $(function() {
        $('#main-slider').slick({
            slidesToShow: 1,
            slidesToScroll: 1,
            autoplay: true,
            autoplaySpeed: 3000,
            pauseOnFocus: false,
            pauseOnHover: false,
            dots: true,
            infinite: true,
            adaptiveHeight: true,
            arrows: false
        });

    });

    $('#main-slider').on('beforeChange', function(event, slick, currentSlide, nextSlide){
        $('.yt-player').each(function(){
            this.contentWindow.postMessage('{"event":"command","func":"' + 'pauseVideo' + '","args":""}', '*')
        });
    });

Also updated iframe like the following

<iframe class="yt-player" src="https://www.youtube.com/embed/lqj-QNYsZFk?controls=1&rel=0&enablejsapi=1"></iframe>

Added &enablejsapi=1 at the end of iframe url and used a class called yt-player.

UPDATE

Commented onReady function and used slick beforeChange event to pause YouTube video when it is not active.

回答2:

using slick and videojs together is hard, too many bug (event/condition that we need to handle manually) in there especially using youtube as source.

i explain how to do this inside the code: fiddle

$(function(){
    var videoPlayed = false;

    function pauseSlider(){
        myslider.slick('slickPause');
    } 

    function playSlider(){
        myslider.slick('slickPlay');
    }

    /*
        assign videojs handle on pause and play dinamically.
        place this script before slick initialize only.
        because slick will cloned our element, so we will confuse to assign event handle on our videjs element

        but if you want it you change selector from `.video-slider` to `"#main-slider .slick-slide:not(.slick-cloned) .video-slider"`
    */
    //$("#main-slider .slick-slide:not(.slick-cloned) .video-slider").each(function(i,e){
    $(".video-slider").each(function(i,e){
        var id=$(this).attr('id');
        videojs.players[id].on("pause", function(){
            videoPlayed= false;
            playSlider();
        });
        videojs.players[id].on("play", function(){
            pauseSlider();
            videoPlayed= true;
        });
    });

    var myslider = $('#main-slider').slick({
        slidesToShow: 1,
        slidesToScroll: 1,
        /*
            when video play, slider is stopped. 
            but when event mouseout (hover out)/focus out triggered, 
            the slider will contine to play again.
            this is because pauseOnHover and pauseOnFocus default true.
            And because you want adaptiveHeight (full screen slider), 
            i assume you no need to doing pauseOnHover, because all time mouse will stay inside your slider.
            in this case we need to change pauseOnHover and pauseOnFocus to false
        */
        pauseOnHover:false,
        pauseOnFocus:false,
        autoplay: true,
        autoplaySpeed: 3000,
        dots: true,
        infinite: true,
        adaptiveHeight: true,
        arrows: false
    });

    $('.video-slider').click(function(){
        if(videoPlayed){
            /*
                actually this is will never executed. but sometimes 
                this will execute if user spam play pause on slow network.
                so we still leave here to handle if videojs pause event not called.
            */
            videojs($(this).attr('id')).pause();//pause video 1st then play the slider
            videoPlayed= false;
            playSlider();
        }else{
            pauseSlider();//pause slider 1st then play the video
            videojs($(this).attr('id')).play();
            videoPlayed= true;
        }
    });
});

来源：https://stackoverflow.com/questions/47301432/slick-carousel-pause-the-slick-autoplay-when-youtube-video-is-playing