[MPlayer-dev-eng] MEncoder: libass support (patch)

[Nicolas George]

Le quartidi 14 brumaire, an CCXVI, Uoti Urpala a écrit :
> Adding it would be easy, but what would you make the filter do
> differently if it existed? If the goal is to generate pts suitable for
> use in the output file then the current behavior seems correct (ignore
> jumps in source material pts caused by seeks). If the goal is to correct
> bad pts values in the source to allow syncing with external timestamps
> for subtitles etc then where do you get the correct value to use after
> seeking?

You are absolutely right. I had the same thoughts, and hesitated writing
them down in the mail you are replying to.

>	   Would you have some kind of list "after first seek start
> timestamps from A, after second seek from B..."? Might work but seems
> cumbersome and fragile.

Even something fragile can be useful as a last resort solution. But in this
particular case, changing the timestamps on the subtitles seems an easier
solution.

Anyway, I wonder if there are still reasons not to apply these four patches
in their latest version?

Patch: mplayer-keeppts-20071102.diff
Message-ID: <20071102093756.GA23311 at phare.normalesup.org>
URL: 
 http://lists.mplayerhq.hu/pipermail/mplayer-dev-eng/2007-November/054668.html
Description: Add a -keep-pts option to keep the PTS in the encoding chain.

Patch: mplayer-mencass-20071101b.diff
Message-ID: <20071101165022.GA22604 at phare.normalesup.org>
URL: 
 http://lists.mplayerhq.hu/pipermail/mplayer-dev-eng/2007-November/054660.html
Description: Enable ASS in mencoder.

Patch: mplayer-fixpts-20071103.diff
Message-ID: <20071103130916.GA1868 at phare.normalesup.org>
URL: 
 http://lists.mplayerhq.hu/pipermail/mplayer-dev-eng/2007-November/054682.html
Description: Add a fixpts video filter to manipulate presentation timestamps.


Patch: mplayer-asscache-20071103.diff
Message-ID: <20071103124616.GA1470 at phare.normalesup.org>
URL: 
 http://lists.mplayerhq.hu/pipermail/mplayer-dev-eng/2007-November/054680.html
Description: Fix a memory leak in the ASS glyph cache.

Regards,

-- 
  Nicolas George