diff options
author | Hans Verkuil <hans.verkuil@cisco.com> | 2014-12-05 08:18:38 -0500 |
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committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-12-16 20:21:37 -0500 |
commit | 38913a5cc58c26b96182799442f96e992301816c (patch) | |
tree | 5cef963824e9eb85f1ddbe73cd83150531d682fb /Documentation | |
parent | cc0363120b1f0c939bb7c61d5b7d2b616ad27783 (diff) |
[media] vivid.txt: document new controls
Document the new 'Y'CbCr Encoding' and 'Quantization' 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/video4linux/vivid.txt | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/video4linux/vivid.txt b/Documentation/video4linux/vivid.txt index e5a940e3d304..6cfc8541a362 100644 --- a/Documentation/video4linux/vivid.txt +++ b/Documentation/video4linux/vivid.txt | |||
@@ -640,6 +640,21 @@ Colorspace: selects which colorspace should be used when generating the image. | |||
640 | Changing the colorspace will result in the V4L2_EVENT_SOURCE_CHANGE | 640 | Changing the colorspace will result in the V4L2_EVENT_SOURCE_CHANGE |
641 | to be sent since it emulates a detected colorspace change. | 641 | to be sent since it emulates a detected colorspace change. |
642 | 642 | ||
643 | Y'CbCr Encoding: selects which Y'CbCr encoding should be used when generating | ||
644 | a Y'CbCr image. This only applies if the CSC Colorbar test pattern is | ||
645 | selected, and if the format is set to a Y'CbCr format as opposed to an | ||
646 | RGB format. | ||
647 | |||
648 | Changing the Y'CbCr encoding will result in the V4L2_EVENT_SOURCE_CHANGE | ||
649 | to be sent since it emulates a detected colorspace change. | ||
650 | |||
651 | Quantization: selects which quantization should be used for the RGB or Y'CbCr | ||
652 | encoding when generating the test pattern. This only applies if the CSC | ||
653 | Colorbar test pattern is selected. | ||
654 | |||
655 | Changing the quantization will result in the V4L2_EVENT_SOURCE_CHANGE | ||
656 | to be sent since it emulates a detected colorspace change. | ||
657 | |||
643 | Limited RGB Range (16-235): selects if the RGB range of the HDMI source should | 658 | Limited RGB Range (16-235): selects if the RGB range of the HDMI source should |
644 | be limited or full range. This combines with the Digital Video 'Rx RGB | 659 | be limited or full range. This combines with the Digital Video 'Rx RGB |
645 | Quantization Range' control and can be used to test what happens if | 660 | Quantization Range' control and can be used to test what happens if |