[FFmpeg-user] Converting .h264 to .avi

[Alsafisafi]

Dear Sirs/Madam,
 
Please help me to process each using one line of ffmpeg code to convert all files(h264) at once to uncompressed .avi files that are at a pixel dimension of 704x480. Please may I know the ffmpeg code used? Maybe a hit:??
https://trac.ffmpeg.org/wiki/Scaling%20%28resizing%29%20with%20ffmpeg
http://stackoverflow.com/questions/5784661/ffmpeg-convert-entire-directory
Thanks

Abu Saad