@brief Calculates the crc-32 as defined at the MPEG-TS specs
@ingroup ancillary
@param data Pointer to the buffer to be checked
@param datalen Length of the buffer
@param crc Initial value for the crc checksum. To calculate the
checksum of the entire packet at once, use 0xFFFFFFFF
@brief Calculates the crc-32 as defined at the MPEG-TS specs @ingroup ancillary
@param data Pointer to the buffer to be checked @param datalen Length of the buffer @param crc Initial value for the crc checksum. To calculate the checksum of the entire packet at once, use 0xFFFFFFFF