Commit 38913a5cc58c26b96182799442f96e992301816c

Authored by Hans Verkuil
Committed by Mauro Carvalho Chehab
1 parent cc0363120b

[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