[FFmpeg-devel] what is h264_idct_add8()?

Måns Rullgård mans
Sat Sep 11 10:06:19 CEST 2010

"Ronald S. Bultje" <rsbultje at gmail.com> writes:

> Hi Michael,
> On Mon, Sep 6, 2010 at 4:32 PM, Michael Niedermayer <michaelni at gmx.at> wrote:
>> On Mon, Sep 06, 2010 at 12:33:13PM -0400, Ronald S. Bultje wrote:
>> [...]
>>> Michael, do you still have the patch that enables using idct_add8()
>>> for chroma (probably in h264.c) so I can test it performance of
>>> yasmified idct_add8 against the current code that doesn't use
>>> idct_add8()?
>> i tried a bit of find and grep but it seems iam not looking at the right
>> place or not searching for the right thing
> So what do you suggest we do?
> a) remove the idct_add8() functions from H264DSPContext
> b) leave as-is (because I can't test the my yasm conversion is correct)
> c) convert it to yasm along with the rest, hope that it is correct
> without testing (?)
> d) something else?

e) test the performance benefit of the converted function now

M?ns Rullg?rd
mans at mansr.com

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