[MPlayer-dev-eng] [PATCH] honour screenw/screenh with xinerama on

[Olivier Jolly]

Hi all,
  for my first post, I'll propose directly a little patch to fix what I 
think is a regression.
  I already opened a bug in the bugzilla ( 
http://bugzilla.mplayerhq.hu/show_bug.cgi?id=861 ) so I'll mostly copy 
information from it. 
  When mplayer is compiled with xinerama support, the 
update_xinerama_info function will override the vo_screenheight and 
vo_screenwidth inconditionnaly.
  When using the -screenw / -screenh to map a part of the screen to 
TVout (using the nvtv tool for example), since 1.0pre8, the whole screen 
was used for displaying instead of the portion of screen indicated on 
command line.

  I'm proposing a patch which adds 2 booleans to keep track of whether 
the vo_screenheight/width variables come from the command line or by the 
default values. The update_xinerama_info is then only allowed to change 
those values if they haven't been set on command line.

  Feel free to shout at me for crapiness of the following patch.

Regards all,

+Olivier
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