ffpmeg报错：
ffmpeg: error while loading shared libraries: libx264.so.148: cannot open shared object file: No such file or directory
解决方法：
edit /etc/ld.so.conf and add this path:
include ld.so.conf.d/*.conf /usr/local/libevent-1.4.14b/lib /usr/local/lib 执行：# ldconfig
ffmpeg转码命令：
h264*acc *1M
ffmpeg -i 201603041105516066.mp4 -an -vcodec libx264 -acodec libfaac -b:v 1000k -minrate 1000k -maxrate 1000k -y 1000k.flv
ffmpeg安装英文地址：
https://forum.ivorde.com/ffmpeg-error-while-loading-shared-libraries-libavdevice-so-52-cannot-open-shared-object-file-no-t129.html
