[MEncoder-users] Does -ass work with mencoder?

[Evgeniy Stepanov]

On Thursday 28 December 2006 20:38, Pepe wrote:
> MPlayer 1.0rc1-3.3.4
>
> I play a video with this options:
>
> mplayer 3x15.avi  -sub 3x15.srt -subpos 98 -subwidth 80 -subcp latin1
> -ffactor 1 -fontconfig -font arial -subfont-autoscale 1 -subfont-text-scale
> 6 -subfont-blur 0 -ass
>
> The -ass option is working because I can see the yellow subtitles.
>
> Now I do:
>
> mencoder -noodml -o atlantis315.avi \
>   -oac copy \
>   -ffourcc DX50 \
>   -ovc lavc \
>   -lavcopts
> vcodec=mpeg4:vbitrate=970:mbd=2:vstrict=1:vmax_b_frames=2:vqmax=16:v4mv:tre
>ll:vb_strategy=1 \
>   -vf-add harddup \
>   -force-avi-aspect 16:9 \
>   -sub 3x15.srt -subpos 98 -subwidth 80 -subcp latin1 -ffactor 1 \
>   -fontconfig -font arial -subfont-autoscale 1 -subfont-text-scale 6 \
> -subfont-blur 0 \
>   -ass  \
>   3x15.avi
>
> The subtitles of this video are white. I tried with -ass-color FF000000, in
> mplayer that gives red subtitles, but in mencoder the subtitles are still
> white, so I think the -ass option is ignored.
>
> Why?
> Is this a bug?

-ass is ignored in mencoder. Implementing it the right way requires passing 
frame pts through video filter chain, and that didn't work with lavc muxers, 
if I recall correctly. AFAIK, the situation has not changed since then.