Demuxer (Container Format) Layer
- Splits a stream input into a separate audio and video stream.
- Might contain subtitles.
- Might contain additional optional information.
- Does not do any actual compression.
- AVI
- MPEG
- Real
- ASF/WMV
- MOV (QuickTime)
- MKV (Matroska)
- OGG
- LAVF (libavformat)
- NUT