To enable decoding of video stream to be executed in parallel based only on type information of each macro block acquired by analyzing slice data included in the video stream.
A slice header processing unit 111 in a decoding unit 110 analyzes a slice header of the video stream. A slice data processing unit 112 analyzes information of the each macro block and divides the video stream into the separate macro blocks. A signal processing control unit 121 in a signal processing unit 120 sections a macro block line with macro blocks put in a line direction by sectioning the line just before the macro block in an inter coding mode based on mode information acquired by analysis by the slice data processing unit 112 in the decoding unit 110, and concurrently executes decoding of the macro blocks just after sectioning on the line by using multiple macro block signal processing units 122.
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto
Next Patent: 論理回路とアドレスデコーダ回路及び半導体記憶装置