1. A data processor for processing a data stream comprising audio and video data, comprising: an input buffer for buffering the data stream; a data stream analyzer for analyzing the data stream for finding information on a plurality of language-specific contents in different languages; a queuing buffer for queuing a plurality of parallel queues, each queue comprising references to language-specific contents in the same language; a feeder for extracting data from a selected queue in accordance with a language selection signal and for feeding the extracted data to subsequent data processing stages, wherein a non-selected queue is not fed to the subsequent data processing stages.