ignore duration of the first 2 frames in the max-time break check fixes framerate detection for framerate_misdetected.wmv
ignore duration of the first 2 frames in the max-time break check
fixes framerate detection for framerate_misdetected.wmv


git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@7384 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

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