[FFmpeg-devel] [PATCH][BULK][again] new multimedia filter avf_showcqt.c
Michael Niedermayer
michaelni at gmx.at
Sun Jun 1 23:19:10 CEST 2014
On Sun, Jun 01, 2014 at 07:29:14AM -0700, Muhammad Faiz wrote:
> On Fri, May 30, 2014 at 6:09 PM, Michael Niedermayer <michaelni at gmx.at>
> wrote:
>
> >
> > you can try libavutil/qsort.h which would avoid some overhead of
> > qsort()
> > also the abs() does not need to be done in the compare function,
> > it could be done outside
> >
> > or if its still slow, this can be done using a radix sort
> > (this would require the floats to be read as integers)
> >
> >
> > [...]
> > > + for (x = 0; x < VIDEO_WIDTH; x += VIDEO_WIDTH/10)
> > > + {
> > > + int u;
> >
> > > + const char *str = "EF G A BC D ";
> >
> > static const
> >
> > and SIMD optimizations of the most speed critical part would make
> > sense if you know asm
> >
> > Also you probably want to add yourself to the MAINTAINERs file for
> > showcqt
> >
>
> SIMD optimizations, not yet.
> Thank's.
btw, do you intentionally ignore every 2nd comment ?
its ok if you dont have time / dont want to implement some changes
but please reply to them, dont just ignore them
about the hardcoded 1920/1080 resolution, i assume thats a result
of the fixed font ?
In principle freetype could be used instead if you want to avoid
the fixed font
also if you dont want to maintain the code ?
do you know someone else who might want to maintain the code
Thanks
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
The educated differ from the uneducated as much as the living from the
dead. -- Aristotle
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