Bug#683907: mencoder: Crashes with seg fault even after getting rid of dmo libraries

[Fabian Greffrath]

That's how my backtrace looks like (with both mplayer-dbg and 
libav-dbg installed):

> Program received signal SIGSEGV, Segmentation fault.
> 0x080dcd9b in draw_bottom_blackbar_slice (vf=vf at entry=0x8429908, h=h at entry=8, y=y at entry=0,
>     x=<error reading variable: Unhandled dwarf expression opcode 0xfa>,
>     w=<error reading variable: Unhandled dwarf expression opcode 0xfa>,
>     stride=<error reading variable: Unhandled dwarf expression opcode 0xfa>,
>     src=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at libmpcodecs/vf_expand.c:366
> 366	libmpcodecs/vf_expand.c: No such file or directory.
> (gdb) bt
> #0  0x080dcd9b in draw_bottom_blackbar_slice (vf=vf at entry=0x8429908, h=h at entry=8, y=y at entry=0,
>     x=<error reading variable: Unhandled dwarf expression opcode 0xfa>,
>     w=<error reading variable: Unhandled dwarf expression opcode 0xfa>,
>     stride=<error reading variable: Unhandled dwarf expression opcode 0xfa>,
>     src=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at libmpcodecs/vf_expand.c:366
> #1  0x080dcee4 in draw_slice (vf=0x8429908, src=0xbfffedd4, stride=0xbfffee30, w=346, h=8, x=0, y=0)
>     at libmpcodecs/vf_expand.c:402
> #2  0x080d41cc in draw_slice (vf=0x8429a80, src=0xbfffee20, stride=0xbfffee30, w=346, h=<optimized out>, x=0, y=0)
>     at libmpcodecs/vf_crop.c:152
> #3  0x08187d48 in draw_slice (s=0x8429de0, src=0x8430760, offset=0xbfffeea0, y=16, type=3, height=<optimized out>)
>     at libmpcodecs/vd_ffmpeg.c:473
> #4  0xb6a3dc39 in ?? () from /usr/lib/i386-linux-gnu/i686/cmov/libavcodec.so.53
> #5  0xb685cbed in ?? () from /usr/lib/i386-linux-gnu/i686/cmov/libavcodec.so.53
> #6  0xb685dc63 in ?? () from /usr/lib/i386-linux-gnu/i686/cmov/libavcodec.so.53
> #7  0xb6b0dece in avcodec_decode_video2 () from /usr/lib/i386-linux-gnu/i686/cmov/libavcodec.so.53
> #8  0x081884bf in decode (sh=0x8422a50, data=0x8427188, len=4460, flags=0) at libmpcodecs/vd_ffmpeg.c:808
> #9  0x080cb3e1 in decode_video (sh_video=sh_video at entry=0x8422a50,
>     start=0x8427188 "\tx\376\037$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I\002\071$\b\344\220#\222@\216I"..., in_size=4460, drop_frame=0, pts=-9.2233720368547758e+18,
>     full_frame=0x0, full_frame at entry=0xfc2634e6) at libmpcodecs/dec_video.c:393
> #10 0x0808aac6 in main (argc=14, argv=0xbffff414) at mencoder.c:1463