linux下用mplayer从视频流抓图，抓有的流的时候会甭掉的问题
系统报错：
MPlayer interrupted by signal 11 in module: open_stream
- MPlayer crashed by bad usage of CPU/FPU/RAM.
Recompile MPlayer with –enable-debug and make a ‘gdb’ backtrace and
disassembly. Details in DOCS/HTML/en/bugreports_what.html#bugreports_crash.
- MPlayer crashed. This shouldn’t happen.
It can be a bug in the MPlayer code _or_ in your drivers _or_ in your
gcc version. If you think it’s MPlayer’s fault, please read
DOCS/HTML/en/bugreports.html and follow the instructions there. We can’t and
won’t help unless you provide this information when reporting a possible bug.
MPlayer 1.0pre7try2-Fedora-GS-3.4.4 (C) 2000-2005 MPlayer Team
CPU: Intel Pentium 4/Xeon/Celeron Foster (Family: 8, Stepping: 9)
Detected cache-line size is 64 bytes
CPUflags: MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled with runtime CPU detection - WARNING - this is not optimal!
To get best performance, recompile MPlayer with –disable-runtime-cpudetection.
