html - Video tag with MP4 does not display in Apple Safari -

I have a code for the video tag on my website that looks like this:

< Div class = "snippet" data-lang = "js" data-hide = "wrong">

  and lieutenant; Div class = 'Choose videoordboardboard video' id = 'rozw1border' & gt; & Lt; Div id = 'filmPierwszy' & gt; & Lt; Video id = 'film1video' autoplay class = 'epilm movie' selected 'width = "251" height = "156" loop onmsovor =' hoverfilm (1); 'OnFocus =' hoverFilm (1); ' Onmouseout = 'hoveroutFilm (1);' OnBlur = 'hoveroutFilm (1);' Onclick = 'window.location.href = "Category = Fire and Orta = Strowsgeni-Strawny-InternetWise"' Poster = "http://websoul.pl/newdesign/videos/tworzenie-stron-www.png" & gt; & Lt; Source src = "http://websoul.pl/newdesign/videos/tworzenie-stron-www.mp4?v=8" type = "video / mp34" /> & Lt; Source src = "http://websoul.pl/newdesign/videos/tworzenie-stron-www.ogg?v=7" type = "video / og" /> & Lt; Source src = "http://websoul.pl/newdesign/videos/tworzenie-stron-www.webm?v=7" type = 'video / webmasters' / & gt; Storgenne & lt; Br / & gt; Strawberry WWW / modern jazz & lt; / Video & gt; & Lt; / Div & gt;  

It works fine on FF, Chrome, IE10 and latest Android. But it does not appear on my PC with Windows 7 in Safari 5.1.7 (the latest for Windows).

Not only the video is displayed Safari console has no errors and there is no sign of downloading the video.

I was reading many tutorials about tagging and properly encoding the video, but I do not know that this problem is that Win Safari is not working properly or on the iPhone and iPad There is a problem too, because I do not have it.

What to do to display this video properly on iDevices? Safari needs to install Quicktime to play HTML5 video (yes literally);