关于operation point的理解

最近开始学习MVC的东西，发现相关的中文信息不太多 ，逼着我去学英文的文档，就总结一些东西在这，这些基本上都是自己的理解，如有不同的意见，敬请回复！

关于operation point，我自己觉得是一个新的概念，h264的spec的解释为：

operation point: An operation point is identified by a temporal_id value representing thetarget temporal level and a set of view_id values representing the target output views. Oneoperation point is associated with a bitstream subset, which consists of thetarget output views and all other views the target output viewsdepend on, that is derived using the sub-bitstream extraction process as specified in subclause H.8.5.3 with tIdTarget equal to the temporal_id value and viewIdTargetList consisting of the set of view_id values as inputs. More than oneoperation point may be associated with the same bitstream subset. When the specification states "anoperation point is decoded" it refers to the decoding of a bitstream subsetcorresponding to the operation point and subsequent output of the target output views.

简单的翻译过来：用一个temporal_id表示，用来代表目标时许level和表示目标视频所需的一组视频id的集合。通俗一点的说：就是你想要解码某路视频流，那么想要解码一段视频的时候，所需要的所有参考帧，如果这路视频，参考了其他路视频，那么包括其他路视频的这些bit-stream的集合就是一个operation point。