I'm wondering why since very recently my own programmed flash-video-player (using the YouTube ActionScript 3.0 Player API) is not working anymore in Firefox (Win, 45.0.1) but it's working still fine in Chrome (Win, 49.0.2623.110 m).
The graphic elements of the video-player load fine in both, so the flash-plugin is working, but only Chrome shows the actual youtube-video.
I know the flash API is deprecated (https://developers.google.com/youtube/flash_api_reference), but why is it still working in Chrome then? Any ideas of how I can get it to run in firefox again?
PS: Because of the complexity of the video-player and its function I cannot switch to the html5 version of the youtube-player-api.
UPDATE:
<object width="640" height="360" id="video" data="video.swf" type="application/x-shockwave-flash">
<param value="video.swf" name="movie">
<param value="xml=xml?i=48-96-43" name="FlashVars">
<param value="high" name="quality">
<param value="#181818" name="bgcolor">
<param value="true" name="play">
<param value="true" name="loop">
<param value="window" name="wmode">
<param value="showall" name="scale">
<param value="true" name="menu">
<param value="false" name="devicefont">
<param value="" name="salign">
<param value="sameDomain" name="allowScriptAccess">
<a href="http://www.adobe.com/go/getflash">
<img alt="Get Adobe Flash player" src="http://www.adobe.com/images/shared/download_buttons/get_flash_player.gif">
</a>
</object>