Dropping by briefly for an update on HDMI to USB things. First, properly fixed MS2109 audio was merged to the kernel earlier, both fixing the regression I introduced with the prior patch, and putting the channels in the right order (turns out the problem was more subtle).
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And now, this thing, which I bought a while ago but hadn't looked at yet: TL;DR it's crap. Fake USB3.0 (connector & cable, but not internals). MJPEG only. And it *craps out* if the frame is too complex (gives up, refuses to stream), probably fixed qp MJPEG exceeding bandwidth?pic.twitter.com/JjfJKuUykh
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It does seem to stream 1080p unblurred unlike the MS2109, when it works (plenty of MJPEG artifacts though), but you're much better off getting a real USB3.0 unit. Internal topology is HDMI splitter -> Sil9293 -> FIC7618 (blacktopped as TC1860, but I was able to scrape it off)
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FWIW here is the real USB3.0 unit that I paid *less* for than the fake one:https://www.aliexpress.com/item/4001044872081.html …
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(As always, this is China, real things may become fake the next day, no guarantees)
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End of conversation
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