[vlc-devel] [PATCH 16/24] [codec/libmpeg2] Reduce frame rate to simplest fraction

[Laurent Aimar]

On Thu, Oct 30, 2008, davidf+nntp at woaf.net wrote:
>      if( p_sys->p_info->sequence->frame_period > 0 )
>      {
> -        p_dec->fmt_out.video.i_frame_rate =
> -            (uint32_t)( (uint64_t)1001000000 * 27 /
> -                        p_sys->p_info->sequence->frame_period );
> -        p_dec->fmt_out.video.i_frame_rate_base = 1001;
> +        vlc_ureduce( &p_dec->fmt_out.video.i_frame_rate,
> +                     &p_dec->fmt_out.video.i_frame_rate_base,
> +                     27 * 1000000,
> +                     p_sys->p_info->sequence->frame_period,
> +                     0 );
 Why is it needed ? No demuxer/codec/packetizer currently ensures that
the fraction is reduced, so anyone using it should already be carefull
with it.

-- 
fenrir