[FFmpeg-devel] [PATCH] lavfi/gblur: doing several columns at the same time

Song, Ruiling ruiling.song at intel.com
Tue May 7 04:08:22 EEST 2019



> -----Original Message-----
> From: Paul B Mahol [mailto:onemda at gmail.com]
> Sent: Monday, May 6, 2019 4:02 PM
> To: FFmpeg development discussions and patches <ffmpeg-
> devel at ffmpeg.org>
> Cc: Song, Ruiling <ruiling.song at intel.com>
> Subject: Re: [FFmpeg-devel] [PATCH] lavfi/gblur: doing several columns at
> the same time
> 
> On 5/6/19, Ruiling Song <ruiling.song at intel.com> wrote:
> > Instead of doing each column one by one, doing several columns
> > together gives about 30% better performance.
> >
> > Signed-off-by: Ruiling Song <ruiling.song at intel.com>
> > ---
> > below is some of performance numbers(fps) on my i7-6770HQ (decode +
> gblur):
> >
> > resolution:            480p | 720p | 1080p | 4k
> > without patch:         393  | 146  | 71    | 14
> > with patch:            502  | 184  | 95    | 18
> >  libavfilter/vf_gblur.c | 62 ++++++++++++++++++++++++++++--------------
> >  1 file changed, 42 insertions(+), 20 deletions(-)
> >
> 
> LGTM
Thanks Paul, will apply. 

Ruiling


More information about the ffmpeg-devel mailing list