[FFmpeg-devel] GSoC Weekly report (libswscale)

Michael Niedermayer michael at niedermayer.cc
Wed Jul 29 15:05:00 CEST 2015

On Tue, Jul 28, 2015 at 11:39:59PM -0300, Pedro Arthur wrote:
> > do you think this patch would be ready to push to main ffmpeg once
> > this (and any other remaining) issues are fixed
> > or is there still some speed loss ?
> >
> I think I should work a bit more on it, in my tests some cases there is


> still 3% speed loss.
> Usualy it occurs when the vertical filter size is ~1 so it processes one
> line at a time. I think
> if we process lines in "batches"  it can be improved. But it is more
> complex to implement
> because for example there is filters which skips some lines, and the memory
> required will
> be increased.
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Many that live deserve death. And some that die deserve life. Can you give
it to them? Then do not be too eager to deal out death in judgement. For
even the very wise cannot see all ends. -- Gandalf
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