[mythtv-users] CEC, HDMI and Pulse Eight USB-CEC Adapters - VGA Video still?

Nick Rout nick.rout at gmail.com
Sun Mar 18 03:29:23 UTC 2012

On Sun, Mar 18, 2012 at 12:07 PM, tortise <tortise at paradise.net.nz> wrote:
> These adapters are designed to fit in between the HDMI out of a Video
> card and the HDMI in of a TV, with a third connection to the mythtv USB
> Bus.  That is:
> [Video Card HDMI] <HDMI Cable A> [Adapter] <HDMI Cable B> [HDMI TV and
> HDMI Chain] and also
> [Adapter] <USB Cable> [Mythtv Frontend]
> It is an attractive assumption that Cable A is required, however
> thinking about this I am not so sure now. It seems to me that one may
> still be able to use a VGA cable to the display / TV, for the CEC
> purposes one merely needs a connection into the CEC HDMI chain which
> cable B provides.  There is no (or was) no CEC connection in the NVIDIA
> cards, so it seems there is no obligation to have the video feed from
> HDMI which might be an intuitive assumption.
> One possible issue is that if the TV source is set to VGA then the HDMI
> bus maybe be ignored, at least for control of the TV, I am not sure and
> testing may be required when my kit is up to it.
> Can anyone confirm this to be the case?

Isn't this something you should ask on the pulse eight forum?

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