1 <title>Codec Interface</title> 2 3 <note> 4 <title>Suspended</title> 5 6 <para>This interface has been be suspended from the V4L2 API 7implemented in Linux 2.6 until we have more experience with codec 8device interfaces.</para> 9 </note> 10 11 <para>A V4L2 codec can compress, decompress, transform, or otherwise 12convert video data from one format into another format, in memory. 13Applications send data to be converted to the driver through a 14&func-write; call, and receive the converted data through a 15&func-read; call. For efficiency a driver may also support streaming 16I/O.</para> 17 18 <para>[to do]</para> 19 20 <!-- 21Local Variables: 22mode: sgml 23sgml-parent-document: "v4l2.sgml" 24indent-tabs-mode: nil 25End: 26 --> 27