HTML:
<div class="row v2-bloque-canal">
    <!-- Titulo -->
    <div class="col-xs-12 margin-t-20">
        <div class="v2-main-title pull-left width-100 text-center margin-b-5">
            Canal Hockey
        </div>
    </div>
    <!-- Titulo -->
    <!-- Video -->
    <div class="col-xs-12 margin-t-20">
        <div class="video">
            <iframe src="https://vimeo.com/showcase/6014559/embed" allowfullscreen="" frameborder="0"></iframe>
        </div>
    </div>
    <!-- Video -->
</div>

CSS:
.v2-bloque-canal .video {
    padding: 56.25% 0 0 0;
    position: relative;
}
.v2-bloque-canal .video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}