This is an iOS compatible method of embedding a video from SharePoint, if blob storage is not enabled.

SP2013-video-cewp-ios-restrictions.txt.html

<!-- 
via: https://www.linkedin.com/pulse/play-video-file-from-sharepoint-document-library-mobile-hai-nguyen
alt: https://threewill.com/sharepoint-videos-in-ios-safari-iphone-ipad-unforgiving/ 
-->
<video controls="true" style="min-height:360px;width:100%;">
    <source src="/PublishingImages/your-video.mp4">
    Sorry, your browser does not support playback of this video. 
</video>
<script>
    if (/iPhone|iPad|iPod/i.test(navigator.userAgent) || document.location.search.indexOf('video-ios-test') != -1) {
        var source = jQuery("video source[src$=mp4]").attr('src');
        var req = new XMLHttpRequest();
            req.open('GET', source, true);
            req.responseType = 'blob';
            req.onload = function () {                        
                if (this.status === 200) {
                    var videoBlob = this.response;
                    var vid = URL.createObjectURL(videoBlob);                                    
                    jQuery('#iOSVideo').html('<a href="'+vid+'">Video ready! Click here to watch.</a>')
                    jQuery("video source[src$=mp4]").attr('src', vid)
                } else {
                    jQuery('#iOSVideo').html('sorry, video could not be loaded.'); 
                }
            }
            req.onerror = function () {
                jQuery('#iOSVideo').html('sorry, there was an error loading the video.');
            }
        req.send();
        jQuery('video').after('<span id="iOSVideo">Please wait, video is loading... <i class="fa fa-spinner fa-spin"></i></span>');
        jQuery('video').hide().attr('controls', 'false');
   }
</script>

this should be saved as a text file in the style library, and referenced through a CEWP file link.