[mythtv] XV stride support breaks non-XV playback?

[Nigel Pearson]

	This may be just me, but [10782] and later do:

% mythtv -vplayback /myth/tv/1046_20060818000000.nuv
...
2006-08-18 12:48:51.477 VideoOutputXv: XvMCTex: Init failed
2006-08-18 12:48:51.478 VideoOutputXv: @ j=3 Looking for flag[s]: 
XvInputMask XvImageMask
2006-08-18 12:48:51.478 VideoOutputXv: No suitable XVideo port found
2006-08-18 12:48:51.478 VideoOutputXv Error: Could not find suitable 
XVideo surface.
2006-08-18 12:48:51.478 VideoOutputXv: Falling back to X shared memory 
video output.
                               *** May be slow ***
2006-08-18 12:48:51.478 VideoOutputXv: CreateShmImages(1): video_dim: 
384x288
Segmentation fault.

...
% tail -n14 gdb.txt
(gdb) where
#0  0xb7b3ef1e in VideoOutputXv::CreateShmImages (this=0x882c528, 
num=1, use_xvúlse) at videoout_xv.cpp:1588
#1  0xb7b3fa1e in VideoOutputXv::CreateBuffers (this=0x882c528, 
subtype=XShm) at videoout_xv.cpp:1647
#2  0xb7b3ada2 in VideoOutputXv::InitXShm (this=0x882c528) at 
videoout_xv.cpp:924
#3  0xb7b38b61 in VideoOutputXv::InitVideoBuffers (this=0x882c528, 
mcodecid=kCodec_NONE, use_xv=true, use_shm=true) at videoout_xv.cpp:723
#4  0xb7b3c35c in VideoOutputXv::InitSetupBuffers (this=0x882c528) at 
videoout_xv.cpp:1125
#5  0xb7b3d155 in VideoOutputXv::Init (this=0x882c528, width84, 
height(8, aspect=1.33333004, winid582941, winx=0, winy=0, 
winw24, winhv8, embedid=0) at videoout_xv.cpp:1215
#6  0xb7a3db1d in NuppelVideoPlayer::InitVideo (this=0x87e9638) at 
NuppelVideoPlayer.cpp:543
#7  0xb7a4ef76 in NuppelVideoPlayer::StartPlaying (this=0x87e9638) at 
NuppelVideoPlayer.cpp:3029
...
--
Nigel Pearson, nigel at ind.tansu.com.au|  4  8
Telstra Net. Eng., Sydney, Australia | 15 16
Office: 9202 3900    Fax:  9261 3912 | 23 42
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