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authorMauro Carvalho Chehab <mchehab@redhat.com>2009-09-17 10:06:23 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-09-17 10:06:23 -0300
commit47a1368908d1a5cd3548d44cfa19853c26ddfeaf (patch)
tree3f6e533e608f3158b37980e1dbbafea627f3b47a /linux/Documentation/DocBook/v4l/dev-codec.xml
parentaeb3a788273d65fa47c79635a886bcafc7970807 (diff)
parentf8c7dcdb0142ecb0a9634945df8bd9b26522f5b7 (diff)
downloadmediapointer-dvb-s2-47a1368908d1a5cd3548d44cfa19853c26ddfeaf.tar.gz
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merge: http://www.linuxtv.org/hg/~hverkuil/v4l-dvb
From: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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+ <title>Codec Interface</title>
+
+ <note>
+ <title>Suspended</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>
+ </note>
+
+ <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
+I/O.</para>
+
+ <para>[to do]</para>
+
+ <!--
+Local Variables:
+mode: sgml
+sgml-parent-document: "v4l2.sgml"
+indent-tabs-mode: nil
+End:
+ -->