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    • 59. 发明授权
    • System and method for multiple channel video transcoding
    • 用于多通道视频转码的系统和方法
    • US07675972B1
    • 2010-03-09
    • US09918380
    • 2001-07-30
    • Indra LaksonoHugh Chow
    • Indra LaksonoHugh Chow
    • H04N7/12H04N11/02H94N11/04H04B1/66
    • H04N19/59H04N19/40H04N19/433H04N19/51H04N19/52
    • A system and a method for transcoding multiple media channels is disclosed herein. The system includes a first processor to parse a media data stream having one or more media data channels and a vector processor to decompress, scale, and then compress the parsed media channel. A parsed media data channel, in one embodiment, is accessed using a bit manipulator and packetized into decoder instruction packets and transmitted to the vector processor using a sequencer. The vector processor decompresses the decoder instruction packets, scales a macroblock generated from the packets, and then compresses the scaled macroblock. As a result, the scaled and compressed output has less data associated with the media channel, allowing for faster and/or more efficient storage or transmission. A reduced sized scale buffer is associated with another disclosed embodiment.
    • 本文公开了一种用于对多个媒体信道进行代码转换的系统和方法。 该系统包括用于解析具有一个或多个媒体数据信道的媒体数据流的第一处理器和用于解压缩,缩放,然后压缩解析的媒体信道的向量处理器。 在一个实施例中,解析的媒体数据信道使用比特操纵器被访问并分组成解码器指令分组,并使用定序器发送到向量处理器。 矢量处理器对解码器指令分组进行解压缩,对从分组生成的宏进行缩放,然后压缩缩放的宏块。 因此,缩放和压缩的输出具有与媒体通道相关联的较少数据,允许更快和/或更有效的存储或传输。 缩小尺寸的缓冲器与另一公开的实施例相关联。