Commit 38913a5cc58c26b96182799442f96e992301816c
Committed by
Mauro Carvalho Chehab
1 parent
cc0363120b
Exists in
ti-lsk-linux-4.1.y
and in
10 other branches
[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>
Showing 1 changed file with 15 additions and 0 deletions Side-by-side Diff
Documentation/video4linux/vivid.txt
... | ... | @@ -640,6 +640,21 @@ |
640 | 640 | Changing the colorspace will result in the V4L2_EVENT_SOURCE_CHANGE |
641 | 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 | 658 | Limited RGB Range (16-235): selects if the RGB range of the HDMI source should |
644 | 659 | be limited or full range. This combines with the Digital Video 'Rx RGB |
645 | 660 | Quantization Range' control and can be used to test what happens if |