[mythtv] [mythtv-commits] Ticket #6322: Enhanced cutpoint edit functionality

Michael T. Dean mtdean at thirdcontact.com
Mon Mar 9 19:33:01 UTC 2009

On 03/09/2009 03:16 PM, MythTV wrote:
> #6322: Enhanced cutpoint edit functionality
> Comment(by cizek):
>  Good to here.
>  On the Blue faces: Try making the following change in
>  mythtv/libs/libmythtv/NuppelVideoPlayer.cpp, in the function
>  "NuppelVideoPlayer::GetScreenGrabOfCurrentFrame()":
>  Change
>  {{{
>      edit_scaled_img =  tmpimage.scaled(size,
>  Qt::KeepAspectRatio).rgbSwapped();
>  }}}
>  to
>  {{{
>      edit_scaled_img =  tmpimage.scaled(size, Qt::KeepAspectRatio);
>  }}}
>  On my system the faces are blue if I ''don't'' use rgbSwapped(). If
>  there's anyone who knows video and can shed some light on this I'd
>  appreciate it.

See the preview video code (which actually just displays a bunch of 
images--not a real video).  Currently, when Myth is compiled without MMX 
support, the faces are blue.  When compiled with MMX, the faces are 
correct.  If your code has the same bug as the preview code, it's 
"correct."  :)

The main reason the blue-faces bug still exists in the preview video 
code is because it's a /great/ way to identify when a person or packager 
has improperly compiled MythTV (as on "normal" targets, MMX should 
/always/ be enabled or you will have issues).  So, there has been little 
motivation to fix it.  Unfortunately, it may have to be fixed sometime 
before long as people try to put mythfrontend in other-than-normal 
locations--such as ARM-based phones.  http://svn.mythtv.org/trac/ticket/5670


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