ffmpeg的完整源代码和作者自己写的文档。不但有在Linux的工程哦
源代码在线查看： version.sh
#!/bin/sh svn_revision=`cd "$1" && LC_ALL=C svn info 2> /dev/null | grep Revision | cut -d' ' -f2` test $svn_revision || svn_revision=`cd "$1" && grep revision .svn/entries 2>/dev/null | cut -d '"' -f2` test $svn_revision || svn_revision=`cd "$1" && sed -n -e '/^dir$/{n;p;q}' .svn/entries 2>/dev/null` test $svn_revision || svn_revision=UNKNOWN NEW_REVISION="#define FFMPEG_VERSION \"SVN-r$svn_revision\"" OLD_REVISION=`cat version.h 2> /dev/null` # Update version.h only on revision changes to avoid spurious rebuilds if test "$NEW_REVISION" != "$OLD_REVISION"; then echo "$NEW_REVISION" > version.h fi
