[FFmpeg-devel] port mplayer eq filter to libavfilter

[William Yu]

2010/11/26 Ronald S. Bultje <rsbultje at gmail.com>:
> Hi,
>
> On Fri, Nov 26, 2010 at 9:38 AM, William Yu <genwillyu at gmail.com> wrote:
>> 2010/11/25 Ronald S. Bultje <rsbultje at gmail.com> wrote:
>>> On Thu, Nov 25, 2010 at 4:27 AM, William Yu <genwillyu at gmail.com> wrote:
>>>> + ? ? ? ?for (i = w&7; i; i--) {
>>>> + ? ? ? ? ? ?pel = ((*line* contrast)>>12) + brightness;
>>>> + ? ? ? ? ? ?if (pel&768) pel = (-pel)>>31;
>>>> + ? ? ? ? ? ?*line++ = pel;
>>>> + ? ? ? ?}
>>>
>>> Please don't mix and match C and ASM, this takes about 10-20 lines in
>>> asm, if you want you can even compile it using gcc and directly copy
>>> it (see above, use FASTDIV also). That will prevent it from using eax
>>> and then the function gets faster.
I have replace c code to assembly. anything else?
>[..]
> Ronald
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>
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