Diego,

> This changeset includes a lot of fixes/improvements to MPEGPlayer where
> the most important are the support for subtitles files (format .sub) and
> the full-screen option.
> 
> List of changes:
> - support for subtitles of .sub format (see comment in class
> MPEGSubtitles)
> - full-screen mode
> - the quit button is always present
> - eToys vocabulary for #videoFileName and #subtitlesFileName.  Using
> this new tiles with scripts in projects (or un book pages) in 'opening'
> mode we can create presentation with video in a multiplatform-way.
> - yellowbutton menu (usefull in full screen)
> - keyboard controls (usefull in full screen)
> - new UpdatingTextMorph class used to display the subtitles
> 
> IMPORTANT: The instances of MPEGPlayer created before this changeset
> _will_ work including all the new stuff with the exception of the
> button-row that _will not_ get updated.
> 
> Thanks to Alejandro Magistrello for the first version of this work!!

  Great!

  It looks though that the subtitles are 'rendered' for every 50ms?
It may not that cheap operation when we use the TrueTypes.  The
version in the subtitles9.image caches the bitmaps of subtitles and
works in sync with the MPEGPlayers screen update.

-- Yoshiki