Html5 video 上传预览图片视频，设置、预览视频某秒的海报帧

console.log('111---' + video[0].duration)
} else {
parent.removeClass('is-error');
parent.find('.qverify__font').text('请设置海报帧');
}
})
/*关闭预览*/
$(document).undelegate('.qtuploader__mask', 'click');
$(document).delegate('.qtuploader__mask', 'click', function() {
$(this).closest('.qtuploader__view').fadeOut('normal', function() {
$(this).closest('.qtuploader__view').remove();
})
})
/*设置预览大小*/
function setSize(element) {
var thumbWidth = 0, thumbHeight = 0, arr = [];
var winWidth = $(window).width(), winHeight = $(window).height();
var imgWidth = element.width(), imgHeight = element.height();
if (imgWidth > imgHeight) {
thumbHeight = parseInt(winHeight - 200);
thumbWidth = parseInt((1920 * thumbHeight) / 1080);
} else {
thumbHeight = parseInt(winHeight - 200);
thumbWidth = parseInt((1080 * thumbHeight) / 1920);
}
arr.push(thumbHeight, thumbWidth)
return arr;
}