[x264-devel] Re: QP of one macroblock

[Hoda Roodaki]

Hi,

I suggested a new method to implement and optimized two layer encoder,
and I want to test the performance of this method in coding one
Macroblock.
Your proposed method was absolutely correct.

Thanks a lot & Regards,
Hoda Roodaki,

On 5/26/07, Alex Izvorski <aizvorski at gmail.com> wrote:
> On Sat, 2007-05-26 at 04:42 -0400, Hoda Roodaki wrote:
> > Hi,
> >
> > I want to encode one particular Macroblock with specific value of qp,
> > so I should find the variable that contains the final value of qp for
> > encoding one macroblock, Can anyone help me?
> >
> > Thanks & Regards,
> > Hoda Roodaki,
>
> Hello,
>
> I think you can set the value of h->mb.i_qp in encoder/encoder.c,
> x264_slice_write(), line 1064, after the call to
> x264_macroblock_analyse() but before x264_macroblock_encode().  Hope
> that helps.  I haven't tried it, so please report whether it worked.
>
> Out of curiosity, why do this?
>
> --Alex
>
>
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