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Diffstat (limited to 'Documentation/DocBook/v4l/dev-codec.xml')
-rw-r--r-- | Documentation/DocBook/v4l/dev-codec.xml | 26 |
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diff --git a/Documentation/DocBook/v4l/dev-codec.xml b/Documentation/DocBook/v4l/dev-codec.xml new file mode 100644 index 000000000000..6e156dc45b94 --- /dev/null +++ b/Documentation/DocBook/v4l/dev-codec.xml | |||
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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 | ||
7 | implemented in Linux 2.6 until we have more experience with codec | ||
8 | device interfaces.</para> | ||
9 | </note> | ||
10 | |||
11 | <para>A V4L2 codec can compress, decompress, transform, or otherwise | ||
12 | convert video data from one format into another format, in memory. | ||
13 | Applications 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 | ||
16 | I/O.</para> | ||
17 | |||
18 | <para>[to do]</para> | ||
19 | |||
20 | <!-- | ||
21 | Local Variables: | ||
22 | mode: sgml | ||
23 | sgml-parent-document: "v4l2.sgml" | ||
24 | indent-tabs-mode: nil | ||
25 | End: | ||
26 | --> | ||