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| author |   Hans Verkuil <hans.verkuil@cisco.com> | 2015-03-20 14:05:02 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-04-02 22:11:55 -0300 |
| commit | 924b34ea48252cdf258aec759638b61c7d82f282 (patch) | |
| tree | e4ad7aba2ba25e240a5523680a815cdb8dcc9c6c /Documentation/DocBook | |
| parent | [media] vivid-tpg.c: fix wrong Bt.2020 coefficients (diff) | |
| download | linux-dev-924b34ea48252cdf258aec759638b61c7d82f282.tar.xz linux-dev-924b34ea48252cdf258aec759638b61c7d82f282.zip | |
[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: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Prashant Laddha <prladdha@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'Documentation/DocBook')
| -rw-r--r-- | Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml b/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml index c4336577ff06..7d10784a0fce 100644 --- a/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml +++ b/Documentation/DocBook/media/v4l/vidioc-g-dv-timings.xml @@ -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> |