[FFmpeg-devel] [PATCH] avfilter/vf_pad: add aspect option

[Paul B Mahol]

On 4/2/17, Paul B Mahol <onemda at gmail.com> wrote:
> Signed-off-by: Paul B Mahol <onemda at gmail.com>
> ---
>  doc/filters.texi     |  3 +++
>  libavfilter/vf_pad.c | 14 ++++++++++++++
>  2 files changed, 17 insertions(+)
>
> +    if (adjusted_aspect.num && adjusted_aspect.den) {
> +        adjusted_aspect = av_mul_q(adjusted_aspect, av_make_q(s->w,
                                                       ^ changed to
sample aspect ratio locally.

> s->h));
> +        if (s->h < av_rescale(s->w, adjusted_aspect.den,
> adjusted_aspect.num)) {
> +            s->h = var_values[VAR_OUT_H] = var_values[VAR_OH] =
> av_rescale(s->w, adjusted_aspect.den, adjusted_aspect.num);
> +        } else {
> +            s->w = var_values[VAR_OUT_W] = var_values[VAR_OW] =
> av_rescale(s->h, adjusted_aspect.num, adjusted_aspect.den);
> +        }
> +    }
> +