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    • 3. 发明授权
    • Video pipeline with direct linkage between decoding and post processing
    • 视频流水线与解码和后处理之间具有直接的连接
    • US09351011B2
    • 2016-05-24
    • US13687093
    • 2012-11-28
    • Akshat NandaScott JanusScott W Cheng
    • Akshat NandaScott JanusScott W Cheng
    • H04N19/44H04N19/42H04N19/85
    • H04N19/44H04N19/42H04N19/85
    • In general, in one aspect, a decode order for a group of picture (GOP) frame structure for a video stream is modified to include regenerated P frames. The modified decode order includes a regenerated P frame of a P frame decoded prior to a sequence of B frames after last B frame in the sequence of B frames and before next I or P frame. The frames are decoded in modified decode order by a decode engine. The decoded frames are post processed in a display order (only includes regenerated P frames and does not include initial P frames defined in the decode order) by a post processing engine. The post processing engine may ignore the initial P frames or the decode engine may not forward the initial P frames to the post processing engine. The post processed frames may be prepared for presentation by a display engine.
    • 通常,在一个方面,用于视频流的一组图像(GOP)帧结构的解码顺序被修改为包括再生的P帧。 经修改的解码顺序包括在B帧序列中的B帧之后和在下一个I帧或P帧之前的B帧之后的序列之前解码的P帧的再生P帧。 帧由解码引擎以修改的解码顺序解码。 解码帧以后处理引擎以显示顺序(仅包括再生的P帧,并且不包括以解码顺序定义的初始P帧)进行后处理。 后处理引擎可以忽略初始P帧,或者解码引擎可能不将初始P帧转发到后处理引擎。 后处理帧可以准备用于由显示引擎呈现。