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authorHans Verkuil <hans.verkuil@cisco.com>2014-12-05 08:18:38 -0500
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-12-16 20:21:37 -0500
commit38913a5cc58c26b96182799442f96e992301816c (patch)
tree5cef963824e9eb85f1ddbe73cd83150531d682fb /Documentation/video4linux
parentcc0363120b1f0c939bb7c61d5b7d2b616ad27783 (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/video4linux')
-rw-r--r--Documentation/video4linux/vivid.txt15
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
643Y'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
651Quantization: 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
643Limited RGB Range (16-235): selects if the RGB range of the HDMI source should 658Limited 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