/Documentation/DocBook/v4l/dev-codec.xml

 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
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