Anyway, I'm proposing that cards are dynamically added and removed as
HDMI monitors are plugged in and out, for the following reasons:
1) An HDMI monitor is a lot like a USB card in that sense that it
affects the streaming capabilities. Assuming we add some part of the
ELD info as the card name, it enables us to save information per
monitor rather than per output, so that, e g, when a user's laptop is
connected to his TV at home, audio gets rerouted, but not when he's
connecting to his projector at work, or something like that.
Sounds good but there are practical difficulties with your proposal. On
some of my boxes, HDMI is only detected if plugged-in at boot time
(could be BIOS only detection). Then the HDA device will accept PCM and
'render' audio, even without any cable plugged. And last, the ELD
information can be completely garbled or misleading.
-Pierre
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