| <title>Codec Interface</title> |
| <para>This interface has been be suspended from the V4L2 API |
| implemented in Linux 2.6 until we have more experience with codec |
| device interfaces.</para> |
| <para>A V4L2 codec can compress, decompress, transform, or otherwise |
| convert video data from one format into another format, in memory. |
| Applications send data to be converted to the driver through a |
| &func-write; call, and receive the converted data through a |
| &func-read; call. For efficiency a driver may also support streaming |
| sgml-parent-document: "v4l2.sgml" |