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

Paul B Mahol onemda at gmail.com
Mon May 6 11:02:10 EEST 2019


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


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