[MPlayer-users] Bug Report: jpeg to avi is broken

[Philip Walden]

Guillaume POIRIER wrote:

>Hello,
>
>On 6/27/05, Philip Walden <pwaldenlinux at pacbell.net> wrote:
>  
>
>>Reimar Döffinger wrote:
>>
>>    
>>
>>>Hi,
>>>On Sun, Jun 26, 2005 at 09:17:20PM -0700, Philip Walden wrote:
>>>
>>>
>>>      
>>>
>>>>(gdb) bt
>>>>#0  0x08188d72 in hScale_MMX2 (dst=Cannot access memory at address
>>>>0xfffffd88
>>>>) at swscale_template.c:2048
>>>>Cannot access memory at address 0xfffffd80
>>>>
>>>>
>>>>        
>>>>
>>>Reminds me of a similar problem I have seen recently. Can you try to
>>>compile with gcc 3.4.x?
>>>
>>>
>>>      
>>>
>>I am on Redhat 9. I cannot find a gcc 3.4.x for that distribution.
>>
>>I had not planned to upgrade to Fedora for awhile.
>>
>>Since the segmentation fault is only on the current CVS, would not it be
>>easier to debug the 1.0pre7 release which does not fault?
>>
>>I have been able to get 1.0pre7 under gdb. the demux_mf.c seems to be
>>opening the the jpeg files in correct sequence. I suspect that there is
>>some wrong in decode_video() (or elsewhere?) with frame calculations. So
>>that it is always decoding a bad buffer of data.
>>    
>>
>
>If you experience the same problem as all the other users of gcc3, the
>problem is likely to come from postproc/swscale_template.c so your
>best bet is to revert all the commits before the one I made to support
>gcc4 and see what happen.
>  
>
I do not have access to the cvs (I think, sort of new at this).

Can you send me the older postproc/swscale_template.c to give it a try?