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    • 6. 发明申请
    • Media-Editing Application with Video Segmentation and Caching Capabilities
    • 媒体编辑应用程序与视频分段和缓存功能
    • US20120198319A1
    • 2012-08-02
    • US13161468
    • 2011-06-15
    • Giovanni AgnoliKenneth M. CarsonEric J. GravesShaun M. Poole
    • Giovanni AgnoliKenneth M. CarsonEric J. GravesShaun M. Poole
    • G06F17/00
    • G06F9/4843G11B27/034G11B27/34
    • For a media-editing application that creates a composite media presentation, some embodiments of the invention provide a method for reducing rendering operations by dividing the composite presentation into several segments and rendering the segments in a manner that allows for these segments to move with respect to each other without losing the rendered results. The media-editing application defines portions of a media presentation as segments. When the media-editing application renders a segment of the media presentation, the application computes an identifier that uniquely identifies the segment and then uses this identifier to store and later retrieve the rendered result for the segment. The application in some embodiments computes the identifier based on a set of attributes of the segment, and stores the results of rendering the segment at a location that is uniquely identifiable in a storage structure by the identifier.
    • 对于创建复合媒体呈现的媒体编辑应用,本发明的一些实施例提供了一种通过将复合呈现划分成若干段并且以允许这些段相对于 彼此不失去渲染的结果。 媒体编辑应用程序将媒体演示的部分定义为段。 当媒体编辑应用程序呈现媒体呈现的片段时,应用程序计算唯一地标识片段的标识符,然后使用该标识符来存储并随后检索片段的渲染结果。 一些实施例中的应用程序基于该段的一组属性来计算标识符,并且将通过标识符存储在存储结构中唯一可识别的位置的段的结果存储。