Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 924b34ea authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

[media] DocBook media: improve V4L2_DV_FL_HALF_LINE documentation 



Explicitly specify where the half-line is added or removed in
each field.

Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Cc: Prashant Laddha <prladdha@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent e202e515

Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml

+5 −4
Original line number Diff line number Diff line
@@ -318,10 +318,11 @@ can't generate such frequencies, then the flag will also be cleared. 
	  </row>

	  <row>

	    <entry>V4L2_DV_FL_HALF_LINE</entry>

	    <entry>Specific to interlaced formats: if set, then field 1 (aka the odd field)

is really one half-line longer and field 2 (aka the even field) is really one half-line

shorter, so each field has exactly the same number of half-lines. Whether half-lines can be

detected or used depends on the hardware.

	    <entry>Specific to interlaced formats: if set, then the vertical frontporch

of field 1 (aka the odd field) is really one half-line longer and the vertical backporch

of field 2 (aka the even field) is really one half-line shorter, so each field has exactly

the same number of half-lines. Whether half-lines can be detected or used depends on

the hardware.

	    </entry>

	  </row>

	</tbody>