[Ffmpeg-cvslog] r7538 - trunk/libavcodec/mpeg12.c

[Michael Niedermayer]

Hi

On Tue, Jan 16, 2007 at 11:03:05PM +0100, Diego Biurrun wrote:
> On Tue, Jan 16, 2007 at 08:53:40AM +0100, Diego Biurrun wrote:
> > On Tue, Jan 16, 2007 at 12:26:10AM +0100, michael wrote:
> > > 
> > > Log:
> > > fix segfault with http://sam.zoy.org/zzuf/lol-ffplay.mpg and http://sam.zoy.org/zzuf/lol-ffplay.m2v
> > 
> > lol-ffplay.m2v still crashes on my PPC.  I'll try to send a backtrace
> > later today.
> 
> (gdb) run ~/temp/zzuf/lol-ffplay.m2v
> Starting program: /home/diego/src/ffmpeg/ffmpeg/ffplay_g
> ~/temp/zzuf/lol-ffplay.m2v
> [Thread debugging using libthread_db enabled]
> [New Thread 805457376 (LWP 14721)]
> [New Thread 813864160 (LWP 14727)]
> [New Thread 822805728 (LWP 14728)]
> [mpeg2video @ 0x103b3b2c]current_picture not initalized
> [New Thread 831522016 (LWP 14729)]
> [mpeg2video @ 0x103b3b2c]current_picture not initalized
> [mpeg2video @ 0x103b3b2c]warning: first frame is no keyframe
> [mpeg2video @ 0x103b3b2c]ac-tex damaged at 5 1
> [mpeg2video @ 0x103b3b2c]Warning MVs not available
> [mpeg2video @ 0x103b3b2c]concealing 12628 DC, 12628 AC, 12628 MV errors
> 
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 831522016 (LWP 14729)]
> 0x0fd82fe0 in memcpy () from /lib/tls/libc.so.6
> (gdb) bt
> #0  0x0fd82fe0 in memcpy () from /lib/tls/libc.so.6
> #1  0x318ffcd8 in ?? ()
> #2  0x101712a8 in img_copy (dst=0x318ffca8, src=0x318ffc88,
> pix_fmt=<value optimized out>, width=704, height=4580) at
> imgconvert.c:737
> #3  0x101c7af8 in sws_scale (ctx=0x104f5e90, src=<value optimized out>,
> srcStride=<value optimized out>, srcSliceY=<value optimized out>, 
>     srcSliceH=<value optimized out>, dst=0x2c0, dstStride=<value
> optimized out>) at imgresample.c:803
> #4  0x10011b0c in video_thread (arg=<value optimized out>) at
> ffplay.c:1254
> #5  0x0fe8c7a8 in SDL_GetThreadID () from /usr/lib/libSDL-1.2.so.0
> #6  0x0fed9c60 in SDL_ThreadID () from /usr/lib/libSDL-1.2.so.0
> #7  0x0fbd4618 in start_thread () from /lib/tls/libpthread.so.0
> #8  0x0fbd4618 in start_thread () from /lib/tls/libpthread.so.0
> Previous frame inner to this frame (corrupt stack?)

crash not reproduceable so ill leave this to some other volunteer to
debug, also please dont post bugreports to ffmpeg-cvslog

and if valgrind does run on ppc its output might be interresting

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

When the tyrant has disposed of foreign enemies by conquest or treaty, and
there is nothing more to fear from them, then he is always stirring up
some war or other, in order that the people may require a leader. -- Plato
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: not available
URL: <http://lists.mplayerhq.hu/pipermail/ffmpeg-cvslog/attachments/20070118/68dc17a1/attachment.pgp>