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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2016-01-27 14:31:40 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-02-10 12:31:38 +0100 |
| commit | ed679b8a19bea7b1d64c49c0e369b65b2dfce135 (patch) | |
| tree | 0a9007d6b35e5afa61d6b33c09cf57fd1136802a /Documentation | |
| parent | [media] v4l2-ctrls: add V4L2_CID_DV_RX/TX_IT_CONTENT_TYPE controls (diff) | |
| download | linux-ed679b8a19bea7b1d64c49c0e369b65b2dfce135.tar.xz linux-ed679b8a19bea7b1d64c49c0e369b65b2dfce135.zip | |
[media] DocBook media: document the new V4L2_CID_DV_RX/TX_IT_CONTENT_TYPE controls
Document these new controls.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/DocBook/media/v4l/controls.xml | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml index f13a429093f1..7a771492f2a5 100644 --- a/Documentation/DocBook/media/v4l/controls.xml +++ b/Documentation/DocBook/media/v4l/controls.xml @@ -5070,6 +5070,46 @@ interface and may change in the future.</para> </entry> </row> <row> + <entry spanname="id"><constant>V4L2_CID_DV_TX_IT_CONTENT_TYPE</constant></entry> + <entry id="v4l2-dv-content-type">enum v4l2_dv_it_content_type</entry> + </row> + <row><entry spanname="descr">Configures the IT Content Type + of the transmitted video. This information is sent over HDMI and DisplayPort connectors + as part of the AVI InfoFrame. The term 'IT Content' is used for content that originates + from a computer as opposed to content from a TV broadcast or an analog source. The + enum v4l2_dv_it_content_type defines the possible content types:</entry> + </row> + <row> + <entrytbl spanname="descr" cols="2"> + <tbody valign="top"> + <row> + <entry><constant>V4L2_DV_IT_CONTENT_TYPE_GRAPHICS</constant> </entry> + <entry>Graphics content. Pixel data should be passed unfiltered and without + analog reconstruction.</entry> + </row> + <row> + <entry><constant>V4L2_DV_IT_CONTENT_TYPE_PHOTO</constant> </entry> + <entry>Photo content. The content is derived from digital still pictures. + The content should be passed through with minimal scaling and picture + enhancements.</entry> + </row> + <row> + <entry><constant>V4L2_DV_IT_CONTENT_TYPE_CINEMA</constant> </entry> + <entry>Cinema content.</entry> + </row> + <row> + <entry><constant>V4L2_DV_IT_CONTENT_TYPE_GAME</constant> </entry> + <entry>Game content. Audio and video latency should be minimized.</entry> + </row> + <row> + <entry><constant>V4L2_DV_IT_CONTENT_TYPE_NO_ITC</constant> </entry> + <entry>No IT Content information is available and the ITC bit in the AVI + InfoFrame is set to 0.</entry> + </row> + </tbody> + </entrytbl> + </row> + <row> <entry spanname="id"><constant>V4L2_CID_DV_RX_POWER_PRESENT</constant></entry> <entry>bitmask</entry> </row> @@ -5098,6 +5138,16 @@ interface and may change in the future.</para> This control is applicable to VGA, DVI-A/D, HDMI and DisplayPort connectors. </entry> </row> + <row> + <entry spanname="id"><constant>V4L2_CID_DV_RX_IT_CONTENT_TYPE</constant></entry> + <entry>enum v4l2_dv_it_content_type</entry> + </row> + <row><entry spanname="descr">Reads the IT Content Type + of the received video. This information is sent over HDMI and DisplayPort connectors + as part of the AVI InfoFrame. The term 'IT Content' is used for content that originates + from a computer as opposed to content from a TV broadcast or an analog source. See + <constant>V4L2_CID_DV_TX_IT_CONTENT_TYPE</constant> for the available content types.</entry> + </row> <row><entry></entry></row> </tbody> </tgroup> |