[MPlayer-dev-eng] trying bmovl2

[Shachar Raindel]

On Thu, 3 Feb 2005 19:49:42 +0200 (EET), Toni Alatalo
<antont at kyperjokki.fi> wrote:
> am trying to try bmovl2 - applied the old patch, and managed to sort the
> rejected parts of the diff, and compile & link
> 
> now am getting a segfault, which seems unrelated to the bmovl2, but as
> totally new to mplayer from a dev angle decided to post about anyhow is
> someone could point to some solution to / around this (otherwise will
> build without the bmovl2 patch to see if get the same, when have time)
> 
> ---cut--
> Starting playback...
> VDec: vo config request - 640 x 480 (preferred csp: Planar YV12)
> VDec: using Planar YV12 as output csp (no 0)
> Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
> VO: [xv] 640x480 => 640x480 Planar YV12
> 
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread -1214508928 (LWP 32457)]
> add_8x8basis_mmx (rem=0xb72f1040, basis=0x2800000, scale=141493584)
>     at i386/dsputil_mmx.c:2914
> 2914                rem[i] += (basis[i]*scale + (1<<(BASIS_SHIFT -
> RECON_SHIFT-1)))>>(BASIS_SHIFT - RECON_SHIFT);
> (gdb) next
> exit_sighandler (x=141493584) at mplayer.c:534
> 534     static void exit_sighandler(int x){
> (gdb)
> ---end---
> 
> Linux vesuri 2.6.10 #1 SMP Tue Jan 25 16:02:29 EET 2005 i686 GNU/Linux
> gcc version 3.3.5 (Debian 1:3.3.5-5)
> 

Try asking valgrind (http://valgrind.kde.org/) for advice. It finds
the cause for most of the segfaults in seconds.

   Cheers,
   Shachar