simplify decoding of uncompressed samples. patch by matthieu castet <castet matthieu free fr>.
simplify decoding of uncompressed samples. patch by matthieu castet <castet matthieu free fr>.

git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@13120 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

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