[denobis]

in php you need to perform something like

$decryptedts = mcrypt_cbc(MCRYPT_RIJNDAEL_128, $key, $ts, MCRYPT_DECRYPT, $iv);

or with openssl

openssl aes-128-cbc -d -in ts.ts -out tsdecrypted.ts -p-nosalt -iv ${hexIV} -K ${hexKey}