[ltp] Problems with MPEG/DVD on 770E under RH 7.1

[Adam Benjamin]

Well, just in case anyone's interested there's a happy ending to this
one.  For some reason my Thinkpad 770E wasn't happy with the hardware
graphics accelleration being attempted by SDL (via XFree86?)
The following environment variable has it all very happy again:

SDL_VIDEO_YUV_HWACCEL=0

Thanks to those who thought about it on my behalf.

Adam Benjamin
Systems Administrator
Open Text Corporation


On Wed, 20 Jun 2001, Adam Benjamin wrote:

> Hi All,
>
> I'm hoping someone can help me with this one - and forgive me in
> advance if I don't offer enough information to diagnose.  I'm not
> quite sure myself where the problem could be.  Here's the poop:
>
> - running RH 7.1 (Kernel 2.4.2 with Xfree86 4.0.3)
> - smpeg 0.4.2 (if that matters)
>
> The graphic environment looks wonderful.  I've got sound running fine,
> and running in 1024x768 with 16 bit colour depth.  XFree86 thinks my
> video card is a "Trident Cyber 9397 (generic)"  I can view RealAudo
> movies just fine... looks and sounds great.
>
> The problem is when I view MPEG related stuff.  Both playing DVDs and
> playing just straight mpeg movies, what I see is a window for the
> movie, with the picture moved down and to the right.  ie.  I only see
> the top left hand (two thirds) of the movie.  Where the rest of the
> movie should be is simply a blue background.  It also locks up the
> entire system from time to time.  Haven't figured out a pattern to
> why/when yet except that it happens (sometimes) when I *stop* playing
> a movie.
>
> I discovered yesterday that if I use "gtv" to play my mpeg, and then I
> double the size of the movie, it still doesn't look quite right (lots
> of garbage around the movie image) but I can see the entire movie
> correctly.
>
> It it helps, when I was watching the DVD I was using the following
> software (compiled by myself) on the system:
> libcss-0.1.0
> oms-0.1.2
> omi-0.1.0
> mpeg2dec-0.2.0
>
> I would be grateful for any assistance that can be offered, even if
> it's simply to help me rule out what isn't causing the problem.  I
> don't know if this is an artifact of the laptop, or if it's something
> about the video drivers in combination with my chipset.   Help.  ;)
>
> Thanks very much,
>
> Adam Benjamin
>
>
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