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公开(公告)号:US08437619B2
公开(公告)日:2013-05-07
申请号:US12973257
申请日:2010-12-20
申请人: Muralidharan Narayanan , Christopher S. Del Sordo , Surya P. Maheswaram , Krishna Prasad Panje , Ernest G. Schmitt , Yaxi Zhang
发明人: Muralidharan Narayanan , Christopher S. Del Sordo , Surya P. Maheswaram , Krishna Prasad Panje , Ernest G. Schmitt , Yaxi Zhang
CPC分类号: H04N5/956 , H04N19/196 , H04N19/70 , H04N21/4147 , H04N21/4307
摘要: A method of modifying a digital data stream composed of a sequence of frames, where each frame represents an image and includes a data field specifying a presentation time stamp value for the frame. If there is a discontinuity in presentation time stamp value between a next frame and a first frame, a value representing a stream time stamp of interest is assigned to a variable for representing the value of the stream time stamp of interest at a point of discontinuity in presentation time stamp, and a value of the presentation time stamp is assigned to a variable for representing the first frame's clock time based on presentation time stamp, and the next frame is stored in a database using as an index the value representing a stream time stamp of interest.
摘要翻译: 一种修改由一系列帧组成的数字数据流的方法,其中每个帧表示图像,并且包括指定帧的呈现时间戳值的数据字段。 如果在下一帧和第一帧之间的呈现时间标记值中存在不连续性,则表示感兴趣的流时间戳的值被分配给用于表示在不连续点处的感兴趣的流时间戳的值的变量 呈现时间戳和呈现时间戳的值被分配给用于基于呈现时间戳表示第一帧的时钟时间的变量,并且将下一帧作为索引存储在数据库中,该数据库使用表示流时间戳的值 出于兴趣。
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公开(公告)号:US20120155833A1
公开(公告)日:2012-06-21
申请号:US12973257
申请日:2010-12-20
申请人: Muralidharan Narayanan , Christopher S. Del Sordo , Surya P. Maheswaram , Krishna Prasad Panje , Ernest G. Schmitt , Yaxi Zhang
发明人: Muralidharan Narayanan , Christopher S. Del Sordo , Surya P. Maheswaram , Krishna Prasad Panje , Ernest G. Schmitt , Yaxi Zhang
CPC分类号: H04N5/956 , H04N19/196 , H04N19/70 , H04N21/4147 , H04N21/4307
摘要: A method of processing a sequence of coded video frames conveyed by a digital data stream, where each frame represents an image, includes receiving the sequence of coded video frames at a recording device, determining a frame interval between presentation of an ith coded frame of the sequence and an (i+1)th coded frame of the sequence, calculating a stream time stamp for the ith coded frame, and calculating a stream time stamp for the (i+1)th coded video frame based on the stream time stamp for the ith coded video frame and the previously determined frame interval.
摘要翻译: 一种处理由数字数据流传送的编码视频帧序列的方法,其中每个帧表示图像,包括在记录装置处接收编码视频帧序列,确定呈现第一编码帧的帧间隔 序列和第(i + 1)个编码帧,计算第i个编码帧的流时间戳,并且基于流时间戳计算第(i + 1)个编码视频帧的流时间戳, 第i个编码视频帧和先前确定的帧间隔。
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