set data_size to 0 so that in case we return without setting it nothing funny can happen
set data_size to 0 so that in case we return without setting it nothing funny can happen


git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@7558 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

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