here is some more info: $ gdb ./mplayer This GDB was configured as "x86_64-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1".
(gdb) run ~/mplayer/bench/foobar.mpeg
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 47190863550720 (LWP 1368)]
MC_put_o_16_mmxext (dest=0xcb5f00 "", ref=0x0, stride=304, height=16)
at motion_comp_mmx.c:546
546 movq_m2r (*ref, mm0);
(gdb) li
541
542 static inline void MC_put1_16 (int height, uint8_t * dest, const
uint8_t * ref,
543 const int stride)
544 {
545 do {
546 movq_m2r (*ref, mm0);
547 movq_m2r (*(ref+8), mm1);
548 ref += stride;
549 movq_r2m (mm0, *dest);
550 movq_r2m (mm1, *(dest+8));
we should understand why ref==0
anyway I will add an assert
a.
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