Hello, and thanks for answering.
> [snip; output via Matrox G450]
>> Everything with 704x576 (and presumably 720x576) resolution works, but
>> unfortunately some channels send other resolutions, such as 528x576.
>
> 528 I've not seen. 544 I have...
Yup. National Geographic seems to be fond of 544, Extreme Sports sends
528 at the moment. Neither one works.
> Hmm? They all require scaling to 768×576 or 1024×576 (if the display mode in
> use has square pixels).
It doesn't, display mode is 720x576 - output is to CRT tube via
S-video, and that particular resolution has been pretty much the only
one I got working with G450 and DirectFB. If anyone has working
configuration for that one, I'm all ears 8)
> Install the -dbg package. Get a backtrace. You might also want to print (at
> least) local variables.
I'm pretty much a n00b when it comes to debugging linux programs, so I
might not get all the info at once, please bear with me :P
Short log and backtrace:
post_warp: detected frame format change: 0x0 -> 544x576, interlaced
0->1, aspect 0,000->1,333, yuy2->yv12
post_warp: aspect ratio matches, no warp
post_warp: factor_x = 1,000 factor_y = 1,000 output ratio = 1,333
post_warp: init_yv12: 544x576->720x576 hWarp 1,000 vWarp 1,000
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xae4ffb70 (LWP 3268)]
0xaf2f2eb1 in ?? ()
from /usr/lib/xine/plugins/1.28/post/xineplug_post_swscale.so
(gdb) backtrace full
#0 0xaf2f2eb1 in ?? ()
from /usr/lib/xine/plugins/1.28/post/xineplug_post_swscale.so
No symbol table info available.
#1 0xaf2f4434 in ?? ()
from /usr/lib/xine/plugins/1.28/post/xineplug_post_swscale.so
No symbol table info available.
#2 0xaf2f96bc in parse_chunk (mpeg2dec=0x87bfb20,
current=0x8744c80 '\020' <repeats 200 times>..., end=0xb24ad00d "", pts=0)
at decode.c:291
picture = 0x8728520
is_frame_done = 189779
ratio = -nan(0x8101010101010)
#3 mpeg2_decode_data (mpeg2dec=0x87bfb20,
current=0x8744c80 '\020' <repeats 200 times>..., end=0xb24ad00d "", pts=0)
at decode.c:723
ret = 58657919
code = 8 '\b'
#4 0xaf30eeb4 in mpeg2dec_decode_data (this_gen=0xb7fa11dd, buf=0x80cb5d0)
at xine_mpeg2_decoder.c:81
No locals.
#5 0x0861ba60 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
(gdb)
Apparently there's no -dbg package available for xineliboutput-fbfe.
> Or (possibly better) provide a short sample.
I guess that can be arranged. Just cutting a piece of vdr recording
will suffice?
> Either way, I think that the scaler configuration is also needed.
If I had an idea where to get it, I'd be happy to provide it. 8)
config_xineliboutput has pretty much everything video related
commented out, that is, using defaults.
--
Sami Sundell
[email protected]
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