[FFmpeg-devel] [PATCH v3 1/2] avfilter/interlace: change lowpass_line function prototype

Michael Niedermayer michael at niedermayer.cc
Sat Apr 22 21:35:22 EEST 2017


On Thu, Apr 20, 2017 at 11:53:29PM +0200, Thomas Mundt wrote:
> Hi,
> 
> this patch set
> 1) changes the lowpass_line function prototype in vf_interlace and
> vf_tinterlace as suggested by James Almer.
> 2) adds a complex (-1 2 6 2 -1) vertical low-pass filter to
> vf_interlace and vf_tinterlace.
> This one slightly less reduces interlace 'twitter' but better retains
> detail and subjective sharpness impression compared to the linear (1 2
> 1) filter.
> The (-1 2 6 2 -1) filter gave best results tested with several CRT,
> TFT and OLED monitors, hardware and software deinterlacers.
> 
> Patch attached...

>  interlace.h              |    2 +-
>  tinterlace.h             |    2 +-
>  vf_interlace.c           |   17 +++++++++--------
>  vf_tinterlace.c          |   14 ++++++++------
>  x86/vf_interlace.asm     |   30 +++++++++++++++---------------
>  x86/vf_interlace_init.c  |    6 ++----
>  x86/vf_tinterlace_init.c |    6 ++----
>  7 files changed, 38 insertions(+), 39 deletions(-)
> 981ec0f9e7a9d4a1aa80f3bae7d65209070083c7  0001-avfilter-interlace-change-lowpass_line-function-prot.patch
> From 5f1edd7cfb26d1871172dcc33abc74b0ff4e88bf Mon Sep 17 00:00:00 2001
> From: Thomas Mundt <tmundt75 at gmail.com>
> Date: Thu, 20 Apr 2017 23:26:59 +0200
> Subject: [PATCH 1/2] avfilter/interlace: change lowpass_line function
>  prototype

applied

thx

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

During times of universal deceit, telling the truth becomes a
revolutionary act. -- George Orwell
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