Videos are not displayed in live server

I use video background in my project while it works perfactly in localhost while put in live wont display any video

while checking develooper tool in firexox show this error but  i wont able to understand the error
Please help



"NetworkError: 404 Not Found - http://www.sjenterprise.org.in/assets/vi..._video.mp4"
front_video.mp4



InvalidValueError: initMap is not a function



HTTP load failed with status 404. Load of media resource http://www.sjenterprise.org.in/assets/vi..._video.mp4 failed.



All candidate resources failed to load. Media load paused.


POST https://ff-input.mxpnl.net/data?_channel...app=cs-dca
200 OK

238ms
fsStat.js (line 71)
<System

here is the section where i include the video
=================================
 <!-- Start Video Section -->
    <section id="video" class="video-section">
<!--//<h1>Video loaded</h1>-->
        <!--<h3>This is video section</h3>-->
       <!-- <div class="container-fluid">-->
            <div class="row">
                <div class="col-md-12 col-sm-12">
                    <div id="wrapper">
                        <video autoplay muted loop> <!-- preload="true" autoplay="autoplay" loop="loop" volume="0">-->
                                 <source src="<?php echo base_url();?>assets/video/front_video.mp4"   type="video/mp4"/>  
                                 <!--<source src="<?php echo base_url();?>assets/video/front_video.webm"  type="video/webm">
                                 <source src="<?php echo base_url();?>assets/video/front_video.ogv"   type="video/ogg">-->
 
                                 <p>Your Browser is not Supporting Video.</p>
                        </video>
                        <header id="the_header">
                            <div class="containerv">
                                <div id="the_logo">Travelling teens</div>
                            </div>
                        </header>
                        <div class="home-content">
                            <h1>S. J. Enterprise<h1>
                            <p>The Leading Logistic in Cash Remittance.</p>
                        </div>
                    </div>
                </div>
            </div>
        <!--</div>-->   <!-- /.container -->
    </section>
    <!-- End Video Section -->