fixing thread safety, this may cause alignment problms (if it does than the stuff should be moved to MpegEncContext)
fixing thread safety, this may cause alignment problms (if it does than the stuff should be moved to MpegEncContext)


git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@2124 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg