Technique for transcoding MPEG-2/MPEG-4 bitstream to H.264 bitstream
    1.
    发明授权
    Technique for transcoding MPEG-2/MPEG-4 bitstream to H.264 bitstream 有权
    将MPEG-2 / MPEG-4比特流转码为H.264比特流的技术

    公开(公告)号:US08428118B2

    公开(公告)日:2013-04-23

    申请号:US11465129

    申请日:2006-08-17

    IPC分类号: H04N7/12 H04N11/02

    摘要: A method/system of transcoding an MPEG 2/4 bit stream into an H.264 format, handles an input MPEG 2/4 bit stream in a decoder, and identifies certain data in the input bit stream for reuse in the H.264 format; and, reuses the identified data in a re-encoder with assistance from a mapping module in transcoding by converting the input bit stream into an output H.264 format. The identified data includes information at a macrolevel and information at a picture level. The information at the macrolevel might comprise additional stages incorporated in the re-encoder module including a Mapping Process stage, a Sub Pixel Refinement stage, a Mode Selection stage to choose from Intra, Inter or Skip modes, followed by the standard H.264 encoding loop and the Entropy Coding Block. The information at the picture level might include; a) average quantizer of frame, and, b) total bits per frame.

    摘要翻译: 将MPEG 2/4比特流转码为H.264格式的方法/系统处理解码器中的输入MPEG 2/4比特流,并且识别输入比特流中的某些数据以在H.264格式中重用 ; 并且通过将输入的比特流转换成输出的H.264格式,通过代码转换中的映射模块的帮助,将识别的数据重新编码在重新编码器中。 所识别的数据包括宏观级的信息和图像级的信息。 宏级别的信息可能包括并入重编码器模块中的附加阶段,包括映射处理阶段,子像素精化阶段,从Intra,Inter或Skip模式中选择的模式选择阶段,随后是标准H.264编码 循环和熵编码块。 图片级别的信息可能包括: a)帧的平均量化器,以及b)每帧的总比特数。

    A TECHNIQUE FOR TRANSCODING MPEG-2 / MPEG-4 BITSTREAM TO H.264 BITSTREAM
    2.
    发明申请
    A TECHNIQUE FOR TRANSCODING MPEG-2 / MPEG-4 BITSTREAM TO H.264 BITSTREAM 有权
    将MPEG-2 / MPEG-4 BITSTREAM转换到H.264 BITSTREAM的技术

    公开(公告)号:US20080043831A1

    公开(公告)日:2008-02-21

    申请号:US11465129

    申请日:2006-08-17

    IPC分类号: H04B1/66

    摘要: A method/system of transcoding an MPEG 2/4 bit stream into an H.264 format, handles an input MPEG 2/4 bit stream in a decoder, and identifies certain data in the input bit stream for reuse in the H.264 format; and, reuses the identified data in a re-encoder with assistance from a mapping module in transcoding by converting the input bit stream into an output H.264 format. The identified data includes information at a macrolevel and information at a picture level. The information at the macrolevel might comprise additional stages incorporated in the re-encoder module including a Mapping Process stage, a Sub Pixel Refinement stage, a Mode Selection stage to choose from Intra, Inter or Skip modes, followed by the standard H.264 encoding loop and the Entropy Coding Block. The information at the picture level might include; a) average quantizer of frame, and, b) total bits per frame.

    摘要翻译: 将MPEG 2/4比特流转码为H.264格式的方法/系统处理解码器中的输入MPEG 2/4比特流,并且识别输入比特流中的某些数据以在H.264格式中重用 ; 并且通过将输入的比特流转换成输出的H.264格式,通过代码转换中的映射模块的帮助,将识别的数据重新编码在重新编码器中。 所识别的数据包括宏观级的信息和图像级的信息。 宏级别的信息可能包括并入重编码器模块中的附加阶段,包括映射处理阶段,子像素精化阶段,从Intra,Inter或Skip模式中选择的模式选择阶段,随后是标准H.264编码 循环和熵编码块。 图片级别的信息可能包括: a)帧的平均量化器,以及b)每帧的总比特数。