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| author | Jiri Kosina <jkosina@suse.cz> | 2011-05-18 17:06:31 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-05-18 17:06:49 +0200 |
| commit | 6b7b8e488bbdedeccabdd001a78ffcbe43bb8a3a (patch) | |
| tree | f2f77cc31b4548745778fca6a51b09e1d8a49804 /Documentation/DocBook/v4l/dev-capture.xml | |
| parent | b50f315cbb865079a16a12fd9ae6083f98fd592c (diff) | |
| parent | c1d10d18c542278b7fbc413c289d3cb6219da6b3 (diff) | |
| download | linux-6b7b8e488bbdedeccabdd001a78ffcbe43bb8a3a.tar.gz linux-6b7b8e488bbdedeccabdd001a78ffcbe43bb8a3a.tar.bz2 linux-6b7b8e488bbdedeccabdd001a78ffcbe43bb8a3a.zip | |
Merge branch 'master' into upstream.
This is sync with Linus' tree to receive KEY_IMAGES definition
that went in through input tree.
Diffstat (limited to 'Documentation/DocBook/v4l/dev-capture.xml')
| -rw-r--r-- | Documentation/DocBook/v4l/dev-capture.xml | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/Documentation/DocBook/v4l/dev-capture.xml b/Documentation/DocBook/v4l/dev-capture.xml index 32807e43f170..2237c661f26a 100644 --- a/Documentation/DocBook/v4l/dev-capture.xml +++ b/Documentation/DocBook/v4l/dev-capture.xml @@ -18,7 +18,8 @@ files are used for video output devices.</para> <title>Querying Capabilities</title> <para>Devices supporting the video capture interface set the -<constant>V4L2_CAP_VIDEO_CAPTURE</constant> flag in the +<constant>V4L2_CAP_VIDEO_CAPTURE</constant> or +<constant>V4L2_CAP_VIDEO_CAPTURE_MPLANE</constant> flag in the <structfield>capabilities</structfield> field of &v4l2-capability; returned by the &VIDIOC-QUERYCAP; ioctl. As secondary device functions they may also support the <link linkend="overlay">video overlay</link> @@ -64,9 +65,11 @@ linkend="crop" />.</para> <para>To query the current image format applications set the <structfield>type</structfield> field of a &v4l2-format; to -<constant>V4L2_BUF_TYPE_VIDEO_CAPTURE</constant> and call the +<constant>V4L2_BUF_TYPE_VIDEO_CAPTURE</constant> or +<constant>V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE</constant> and call the &VIDIOC-G-FMT; ioctl with a pointer to this structure. Drivers fill -the &v4l2-pix-format; <structfield>pix</structfield> member of the +the &v4l2-pix-format; <structfield>pix</structfield> or the +&v4l2-pix-format-mplane; <structfield>pix_mp</structfield> member of the <structfield>fmt</structfield> union.</para> <para>To request different parameters applications set the @@ -84,8 +87,8 @@ adjust the parameters and finally return the actual parameters as without disabling I/O or possibly time consuming hardware preparations.</para> - <para>The contents of &v4l2-pix-format; are discussed in <xref -linkend="pixfmt" />. See also the specification of the + <para>The contents of &v4l2-pix-format; and &v4l2-pix-format-mplane; +are discussed in <xref linkend="pixfmt" />. See also the specification of the <constant>VIDIOC_G_FMT</constant>, <constant>VIDIOC_S_FMT</constant> and <constant>VIDIOC_TRY_FMT</constant> ioctls for details. Video capture devices must implement both the |