Patent ID: 6847687

Claim:
An audio and video processing apparatus which decodes and reproduces data streams of at least two types, including video and audio streams, in which the amounts of video and audio information differ from one another, comprising: an external memory which includes buffer areas for video and audio which store a video stream and an audio stream, respectively; a decode processing section which includes a video stream FIFO and an audio stream FIFO which respectively transfer a video stream and an audio stream from said external memory, and which decodes the video and audio streams; a stream parsing means which separates an inputted data stream into a video and an audio stream, and directs data transfer to said buffer areas for video and audio within said external memory; first and second buffer control means whose data transfer amounts differ from one another, and which perform transfer of video and audio streams from said buffer areas for video and audio within said external memory respectively to said video and audio stream FIFOs; and a buffer control assignment means which assigns said first and second buffer control means, said buffer areas for video and audio, and said video and audio stream FIFOs, according to an audio decoder selection information of data stream.