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    • 60. 发明申请
    • METHOD FOR ENABLING SEAMLESS AND BIDIRECTIONAL PLAYBACK OF VIDEO
    • 用于实现视频的无缝和双向播放的方法
    • US20170062004A1
    • 2017-03-02
    • US14835173
    • 2015-08-25
    • ZPINDLER AS
    • Lars-Erik RavnEspen BjarnøEike Rösner
    • G11B27/00H04N7/01H04N19/40G11B27/28H04N5/92
    • G11B27/005H04N5/783H04N9/8205H04N19/40H04N21/234309H04N21/440218H04N21/8456H04N21/8547
    • Method for enabling seamless bidirectional and multiple speed rate playback of video, performing the steps of a pre-processing step having steps of analyzing a video to be played by unwrapping video containers; checking if the video is in a pre-defined normalized format and transcoding the video if not normalized; analyzing the video for bidirectional encoding by extracting and generating metadata, and generating general and bidirectional conversion instructions; an encoding step encoding and generating multiple video streams based on the generated conversion instructions for videos and for bidirectional playback on different devices and playback modes; a post-processing step synchronizing bidirectional video streams and metadata; and a step of extracting metadata from each generated video stream, and a step of distribution by streaming bidirectional video to a target device in a requested format together with accompanying metadata.
    • 用于实现视频的无缝双向和多速率重放的方法,执行预处理步骤的步骤,其具有通过展开视频容器来分析要播放的视频的步骤; 检查视频是否处于预定义的标准化格式,如果没有标准化,则对视频进行代码转换; 通过提取和生成元数据分析视频进行双向编码,并生成一般和双向转换指令; 基于所生成的视频转换指令和在不同设备和播放模式上的双向重放来编码和产生多个视频流的编码步骤; 后续处理步骤,同步双向视频流和元数据; 以及从每个生成的视频流中提取元数据的步骤,以及通过以所附的元数据将请求格式的双向视频流向目标设备进行分发的步骤。