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    • 8. 发明申请
    • Signaling of multiple decoding times in media files
    • 在媒体文件中发送多个解码时间的信号
    • US20080292003A1
    • 2008-11-27
    • US12150018
    • 2008-04-24
    • Ye-Kui WangMiska Hannuksela
    • Ye-Kui WangMiska Hannuksela
    • H04N7/26
    • H04N7/50H04N19/127H04N19/136H04N19/172H04N19/174H04N19/44H04N19/46H04N19/61H04N21/234327H04N21/234381H04N21/4382H04N21/4621H04N21/64707H04N21/8455H04N21/8547
    • The exemplary embodiments of this invention provide in one aspect thereof an ability to signal multiple decoding times for each sample in a file format level in order to allow, for example, different decoding times for each sample (or sample subset) between decoding an entire stream and decoding a subset of the stream. An alternate decoding time box is specified to allow for the signaling of multiple decoding times for each sample. Such a box can contain a compact version of a table that allows indexing from an alternate decoding time to a sample number, where an alternate decoding time is a decoding time to be used with a sample when only a subset of an elementary stream stored in a track is to be decoded. Furthermore, each entry in the table provides the number of consecutive samples with the same time delta, and the delta between those consecutive samples. By adding the deltas a complete time-to-sample map can be constructed.
    • 本发明的示例性实施例在其一个方面中提供以文件格式级别为每个样本发送多个解码时间的能力,以便例如在解码整个流之间为每个样本(或样本子集)提供不同的解码时间 并解码流的子集。 指定替代解码时间框以允许每个样本的多个解码时间的信令。 这样的盒子可以包含表格的紧凑版本,其允许从备选解码时间到样本号码的索引,其中替代解码时间是当仅存储在一个样本中的基本流的子集时与样本一起使用的解码时间 轨道将被解码。 此外,表中的每个条目提供具有相同时间增量的连续样本的数量,以及这些连续采样之间的增量。 通过添加三角形可以构建完整的时间到样本地图。