give the position offset of the file in the packet
update seek regression test reference file accordingly
patch by Daniel Cardenas: Daniel Car cox net
original thread: [Ffmpeg-devel] [PATCH] Debug help for file position
date: 05/01/2007 02:42 AM



git-svn-id: file:///var/local/repositories/ffmpeg/trunk@8871 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b