[x264-devel] Re: [x264-devel] How to comprehend the multi-thread procedure for the stream structure “IPPP”?

[Mathieu Monnier]

Hi,

You almost have the answer to your question :

 > because every P slice needs the previous frame as reference.

When multithreaded, the vertical motion vector search range is limited, 
so a P frame doesn't need the complete reference frame.

Regards,

Mathieu

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