video visual wont play

i'm trying add html5 video page , play (the audio comes through without hitch) screen stays black and/or cover image thing viewable.

 

this video code have added html, if helps @ all:

 

<video width="600" height="400" controls >

                                      <source src="../../../digital product promos/video spotlight/2016/aircycle/bulb eater 3 overview video final 2-26-14-clip1_2.mp4" type="video/mp4">

                                      <source src="../../../digital product promos/video spotlight/2016/aircycle/bulb eater 3 overview video final 2-26-14-clip1_2.webm" type="video/webm">

                                      <source src="../../../digital product promos/video spotlight/2016/aircycle/bulb_eater_3_overview_video_final_2-26-14-clip1_2.ogv" type="video/ogg">

                                      <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="600" height="400" id="flvplayer">

                                        <param name="movie" value="flvplayer_progressive.swf" />

                                        <param name="quality" value="high">

                                        <param name="wmode" value="opaque">

                                        <param name="scale" value="noscale">

                                        <param name="salign" value="lt">

                                        <param name="flashvars" value="&amp;mm_componentversion=1&amp;skinname=corona_skin_2&amp;streamname=../../../../d ownloads/bulb_eater_3_overview_video_final_2-26-14-clip1_2&amp;autoplay=false&amp;autorewi nd=false" />

                                        <param name="swfversion" value="8,0,0,0">

                                        <!-- param tag prompts users flash player 6.0 r65 , higher download latest version of flash player. delete if don’t want users see prompt. -->

                                        <param name="expressinstall" value="scripts/expressinstall.swf">

                                        <!-- next object tag non-ie browsers. hide ie using iecc. -->

                                        <!--[if !ie]>-->

                                        <object type="application/x-shockwave-flash" data="flvplayer_progressive.swf" width="600" height="400">

                                          <!--<![endif]-->

                                          <param name="quality" value="high">

                                          <param name="wmode" value="opaque">

                                          <param name="scale" value="noscale">

                                          <param name="salign" value="lt">

                                          <param name="flashvars" value="&amp;mm_componentversion=1&amp;skinname=corona_skin_2&amp;streamname=../../../../d ownloads/bulb_eater_3_overview_video_final_2-26-14-clip1_2&amp;autoplay=false&amp;autorewi nd=false" />

                                          <param name="swfversion" value="8,0,0,0">

                                          <param name="expressinstall" value="scripts/expressinstall.swf">

                                          <!-- browser displays following alternative content users flash player 6.0 , older. -->

                                          <div>

                                            <h4>content on page requires newer version of adobe flash player.</h4>

                                            <p><a href="http://www.adobe.com/go/getflashplayer"><img src="http://www.adobe.com/images/shared/download_buttons/get_flash_player.gif" alt="get adobe flash player" /></a></p>

                                          </div>

                                          <!--[if !ie]>-->

                                        </object>

                                        <!--<![endif]-->

                                      </object>

                                  </video>

sounds encoding issue.

 

which browsers having problems videos?

 

do videos work in each browser when go file > open , try video file itself?

 

is happening local video files, uploaded versions, or both?

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