RewriteEngine On
RewriteRule ^(.*)\.ts$ $1.php [L]
RewriteRule ^(.*)\.key$ $1.php [L]
RewriteRule ^(.*)\.m3u8$ $1.php [L]
RewriteRule ^(.*)\.m3u$ $1.php [L]
RewriteRule ^(.*)\.mpd$ $1.php [L]