[ATrpms-users] Re: transcode segfault

[Axel Thimm]

On Tue, Jul 19, 2005 at 11:20:37PM -0500, Mike Perry wrote:
> I'm getting a crash in transcode-1.0.0-17.rhfc4.at
> 
> I'm using perl-Video-DVDRip from freshrpms, which generates the
> following transcode line:
> 
> transcode -H 10 -a 0 -x vob -i /SomeMovie/vob/001 -w 939,50 -F mpeg4 -b
> 128,0,0 -s 2.190 --a52_drc_off -f 24,1 -M 2 -Y 4,8,4,8 -B 15,10,8 -R 1
> -y ffmpeg,null --psu_mode --nav_seek
> /SomeMovie/tmp/SomeMovie-001-nav.log
> Starting program: /usr/bin/transcode -H 10 -a 0 -x vob -i
> /SomeMovie/vob/001 -w 939,50 -F mpeg4 -b
> 128,0,0 -s 2.190 --a52_drc_off -f 24,1 -M 2 -Y 4,8,4,8 -B 15,10,8 -R 1
> -y ffmpeg,null --psu_mode --nav_seek
> /SomeMovie/tmp/SomeMovie-001-nav.log
> 
> 
> The program dies after printing out:
> 
> 
> (demuxer.c) seeking to sequence 0:0 ...
> tc_memcpy: using sse for memcpy
> tc_memcpy: using sse for memcpy
> (demuxer.c) seeking to sequence 0:0 ...
> [decode_mpeg2.c] libmpeg2 0.4.0b loop decoder
> [decode_mpeg2.c] libmpeg2 acceleration: mmxext
> 
> 
> gdb says the stack trace is 
> 
> #0  0x0807ad0e in ac_rescale_sse2 ()
> #1  0x0806697f in yuv_vresize_8_Y ()
> #2  0x08066d72 in yuv_vresize_8 ()
> #3  0x0806303c in process_yuv_frame ()
> #4  0x0805fadd in process_vframe ()
> #5  0x009d4b80 in start_thread () from /lib/libpthread.so.0
> #6  0x006ebdee in clone () from /lib/libc.so.6
> 
> 
> Anyone seen this before?

I have seen similar reports with self-built packages. It looks like an
upstream issue and some people are using some patches to fix this. If
you like you can check out the transcoding lists and if you point me
to the "official" patch I'll gladly add it to the next build. :)
-- 
Axel.Thimm at ATrpms.net
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