[FFmpeg-devel] [PATCH] libavfilter/vf_scale: Ensure scaled video is divisible by n

[Michael Niedermayer]

On Mon, Aug 12, 2019 at 03:58:14PM +0200, Lars Kiesow wrote:
> This patch adds a new option to the scale filter which ensures that the
> output resolution is divisible by the given integer when used together
> with `force_original_aspect_ratio`. This works similar to using `-n` in
> the `w` and `h` options.
> 
> This option respects the value set for `force_original_aspect_ratio`,
> increasing or decreasing the resolution accordingly.
> 
> The use case for this is to set a fixed target resolution using `w` and
> `h`, to use the `force_original_aspect_ratio` option to make sure that
> the video always fits in the defined bounding box regardless of aspect
> ratio, but to also make sure that the calculated output resolution is
> divisible by n so in can be encoded with certain encoders/options if
> that is required.
> 
> Signed-off-by: Lars Kiesow <lkiesow at uos.de>
> ---
>  doc/filters.texi       | 12 ++++++++++++
>  libavfilter/vf_scale.c | 15 ++++++++++++++-
>  2 files changed, 26 insertions(+), 1 deletion(-)

will apply

thx

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

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