From: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> Drop the "Video, VBI and RDS Looping" section, instead moving the Video/VBI info to section "Video and Sliced VBI looping" and the RDS info to section "Radio & RDS Looping". Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> --- Documentation/admin-guide/media/vivid.rst | 32 ++++++++++++----------- 1 file changed, 17 insertions(+), 15 deletions(-) diff --git a/Documentation/admin-guide/media/vivid.rst b/Documentation/admin-guide/media/vivid.rst index 04de7b69c817..d7d5a01f4e59 100644 --- a/Documentation/admin-guide/media/vivid.rst +++ b/Documentation/admin-guide/media/vivid.rst @@ -1130,26 +1130,19 @@ Metadata Capture Controls if set, then the generated metadata stream contains Source Clock information. -Video, VBI and RDS Looping --------------------------- -The vivid driver supports looping of video output to video input, VBI output -to VBI input and RDS output to RDS input. For video/VBI looping this emulates -as if a cable was hooked up between the output and input connector. So video -and VBI looping is only supported between S-Video and HDMI inputs and outputs. -VBI is only valid for S-Video as it makes no sense for HDMI. +Video and Sliced VBI Looping +---------------------------- -Since radio is wireless this looping always happens if the radio receiver -frequency is close to the radio transmitter frequency. In that case the radio -transmitter will 'override' the emulated radio stations. +The vivid driver supports looping of video output to video input, and VBI +output to VBI input. For video/VBI looping this emulates as if a cable was +hooked up between the output and input connector. So video and VBI looping +is only supported between S-Video and HDMI inputs and outputs. +VBI is only valid for S-Video as it makes no sense for HDMI. Looping is currently supported only between devices created by the same vivid driver instance. - -Video and Sliced VBI looping -~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - The way to enable video/VBI looping is currently fairly crude. A 'Loop Video' control is available in the "Vivid" control class of the video capture and VBI capture devices. When checked the video looping will be enabled. @@ -1198,7 +1191,16 @@ and WSS (50 Hz formats) VBI data is looped. Teletext VBI data is not looped. Radio & RDS Looping -~~~~~~~~~~~~~~~~~~~ +------------------- + +The vivid driver supports looping of RDS output to RDS input. + +Since radio is wireless this looping always happens if the radio receiver +frequency is close to the radio transmitter frequency. In that case the radio +transmitter will 'override' the emulated radio stations. + +RDS looping is currently supported only between devices created by the same +vivid driver instance. As mentioned in the "Radio Receiver" section, the radio receiver emulates stations at regular frequency intervals. Depending on the frequency of the -- 2.34.1