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| author | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2012-07-26 12:30:00 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-07-30 22:31:53 (GMT) |
| commit | f0476a83d61a8004eb535a0b65721ca405421fe8 (patch) | |
| tree | 090e739691637494b9438412914ae91598ee017d /Documentation | |
| parent | 6126b912c84240692e26c1b820a7097610eddf34 (diff) | |
| download | linux-f0476a83d61a8004eb535a0b65721ca405421fe8.tar.xz | |
[media] V4L: Add capability flags for memory-to-memory devices
This patch adds new V4L2_CAP_VIDEO_M2M and V4L2_CAP_VIDEO_M2M_MPLANE
capability flags that are intended to be used for memory-to-memory (M2M)
devices, instead of ORed V4L2_CAP_VIDEO_CAPTURE and V4L2_CAP_VIDEO_OUTPUT.
V4L2_CAP_VIDEO_M2M flag is added at the drivers, CAPTURE and OUTPUT
capability flags are left untouched and will be removed in future,
after a transition period required for existing applications to be
adapted to check only for V4L2_CAP_VIDEO_M2M.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Kamil Debski <k.debski@samsung.com>
Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/DocBook/media/v4l/compat.xml | 9 | ||||
| -rw-r--r-- | Documentation/DocBook/media/v4l/vidioc-querycap.xml | 13 |
2 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/DocBook/media/v4l/compat.xml b/Documentation/DocBook/media/v4l/compat.xml index 97b8951..4559a6f 100644 --- a/Documentation/DocBook/media/v4l/compat.xml +++ b/Documentation/DocBook/media/v4l/compat.xml @@ -2471,6 +2471,15 @@ that used it. It was originally scheduled for removal in 2.6.35. </orderedlist> </section> + <section> + <title>V4L2 in Linux 3.6</title> + <orderedlist> + <listitem> + <para>Added V4L2_CAP_VIDEO_M2M and V4L2_CAP_VIDEO_M2M_MPLANE capabilities.</para> + </listitem> + </orderedlist> + </section> + <section id="other"> <title>Relation of V4L2 to other Linux multimedia APIs</title> diff --git a/Documentation/DocBook/media/v4l/vidioc-querycap.xml b/Documentation/DocBook/media/v4l/vidioc-querycap.xml index 4643505..f33dd74 100644 --- a/Documentation/DocBook/media/v4l/vidioc-querycap.xml +++ b/Documentation/DocBook/media/v4l/vidioc-querycap.xml @@ -192,6 +192,19 @@ linkend="output">Video Output</link> interface.</entry> <link linkend="output">Video Output</link> interface.</entry> </row> <row> + <entry><constant>V4L2_CAP_VIDEO_M2M</constant></entry> + <entry>0x00004000</entry> + <entry>The device supports the single-planar API through the + Video Memory-To-Memory interface.</entry> + </row> + <row> + <entry><constant>V4L2_CAP_VIDEO_M2M_MPLANE</constant></entry> + <entry>0x00008000</entry> + <entry>The device supports the + <link linkend="planar-apis">multi-planar API</link> through the + Video Memory-To-Memory interface.</entry> + </row> + <row> <entry><constant>V4L2_CAP_VIDEO_OVERLAY</constant></entry> <entry>0x00000004</entry> <entry>The device supports the <link |