Normally, it’s a pain finding stream, codec or bitrate information for media files.
Fixing Wrong or Different Frame Rate of a Video File and Container
The problem is seen well when you get video file information with ffmpeg:
Convert Single APE File to m4a Ipod-Playable Files on Linux
Download the latest Nero Aac MPEG4 Encoder/Decoder binary from here. Unpack, copy neroAacDec, neroAacEnc and neroAacTag to ~/bin. The below is confirmed for Fedora 9, Fedora 10 (x86_64).
Create DVD MPEG file from AVI with Mencoder
The below are two single-line commands to encode a high quality mpeg file ready for writing to a DVD disk.
Mencoder Two-Pass Encoding with Mpeg4 Codec
Command line encoding of an input MPEG2 file into an mp4 format (XViD) in Linux.