[x264-devel] How to use a different QP for each MB...

[Christina Boyd]

Hi,

I want to force x264 to use different QPs for different MBs. For example, I want to use a QP of 16
for a specific region of interest and a QP of 20 for background. Where can I overwrite the QP of 
each MB obtained by the other x264's rate control functions?

I found that in function x264_macroblock_encode there is a statement like this: "int i_qp = h->mb.i_qp;"
But can we use it for this purpose? Any idea? Thanks.

Best,
Christina
 		 	   		  
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