[MPlayer-users] mga_vid division by zero bug

Arpi arpi at thot.banki.hu
Thu Jan 3 00:40:03 CET 2002


Hi,

thanks, fixed :)

> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hi,
> 
> I finaly found the bug 
> (i musst been blind not to see the oops msg in syslog):
> 
> ---schnipp---
> divide error: 0000
> CPU:    0
> EIP:    0010:[<d889fa41>]
> EFLAGS: 00010246
> eax: 007fc000   ebx: 0000001b   ecx: 00000006   edx: 00000000
> esi: 00000200   edi: 00000000   ebp: d2007f5c   esp: d2007f2c
> ds: 0018   es: 0018   ss: 0018
> Process mplayer (pid: 438, process nr: 58, stackpage=d2007000)
> Stack: 08179990 00000021 00000001 c011499e 08179960 00060000 d88a0e70 00000180 
>        00000001 00000180 0000001b 00000006 d2007f8c d889fe2e d88a0e40 00680000 
>        082e544c 00000000 d1953d40 ffffffe7 80304a01 00000001 00000000 00000000 
> Call Trace: [<c011499e>] [<c012ef64>] [<c010a0c0>] 
> Code: f7 ff 89 c7 2b 4d fc 8d 14 bd 00 00 00 00 89 15 04 0e 8a d8 
> ---schnapp---
> 
> The problems are at:
> 
> #695: ifactor = ((sw-1)<<14)/(dw-1);
> 
> and 
> 
> #703: ifactor = ((sh-1)<<14)/(dh-1);
> 
> (dh - 1) resp (dw - 1) can and will be zero if the window is resized to 
> height 1 or width 1.
> 
> I think that should help to explain the wired behaviour of mplayer :-)
> 
> 		Attila Kinali
> 
> -- 
> I am a moslem, i am a terrorist.
> 
> _______________________________________________
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> 
> 


A'rpi / Astral & ESP-team

--
mailto:arpi at thot.banki.hu
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