[FFmpeg-devel] [PATCH] lavfi/scale: add scale opencl filter
michaelni at gmx.at
Wed Jun 26 00:00:25 CEST 2013
On Tue, Jun 25, 2013 at 09:55:45AM +0800, Wei Gao wrote:
> 2013/6/20 Michael Niedermayer <michaelni at gmx.at>
> > On Thu, Jun 20, 2013 at 09:58:55AM +0800, Wei Gao wrote:
> > > 2013/6/8 Michael Niedermayer <michaelni at gmx.at>
> > >
> > > > On Wed, May 29, 2013 at 04:55:47PM +0800, Wei Gao wrote:
> > > > Hi,
> > > Sorry for the late reply, we are so busy these days.
> > > Our benchmark is as follows, and we found that ourout put is the same as
> > > the C code but differrent from the asm output, the attachment is the
> > > benchmark for C code, ASM, and OpenCL, including the md5 code
> > "scale=740:480:flags=sinc"
> > noone uses sinc, its also subjectively worse quality than the other
> > scalers
> > Benchmarks are needed for actual real world use cases
> Hi, thanks.
> which flags should we test is better?
bicubic and lanczos are popular scaler variants IIRC
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
Breaking DRM is a little like attempting to break through a door even
though the window is wide open and the only thing in the house is a bunch
of things you dont want and which you would get tomorrow for free anyway
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 198 bytes
Desc: Digital signature
More information about the ffmpeg-devel