check return value of decode_cabac_mb_dqp, it is INT_MIN on error. fixes crash with http://stud4.tuwien.ac.at/~e0326863/ats/bbc-sample_small.mpg and MPlayer's broken packetizer (but will not decode right of course).
check return value of decode_cabac_mb_dqp, it is INT_MIN on error.
fixes crash with http://stud4.tuwien.ac.at/~e0326863/ats/bbc-sample_small.mpg
and MPlayer's broken packetizer (but will not decode right of course).


git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@4595 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

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