[MPlayer-users] Hardcoding subtitles
Corey Hickey
bugfood-ml at fatooh.org
Wed Oct 22 06:53:58 CEST 2003
philippe.combes at ens-lyon.fr wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hi all,
> I tried the following command line, but it failed :
> mencoder movie.avi -vf expand 0:-50:0:0 -sub sub_to_hardcode.srt -oac copy -ovc
> copy -o movie_with_sub.avi
>
Yes, you can't use -ovc copy here because mencoder must completely
re-encode the video to effect _any_ change. So, you would have to use
-ovc lavc -lavcopts ....
Unfortunately, encoding again will compound the quality loss involved in
the first compression, and the end result will look significanly worse
than the source unless you choose a very high bitrate.
Adding a black bar can be done vith -vf expand, but black bars
(expecially the edge of the black bar) add more data to encode, so you
would need to use higher bitrate to maintain the same quality as
without.
-Corey
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