[...]
> Does v4l handle multiple video streams to userspace at different frame
> rates? That is what we are talking about here effectively.
I actually mentioned v4l in context of mmap(). Not for replicating the same mmap()ed data for multiple clients of course, but IIRC yes, v4l allows multiple channels to be opened. E.g. for peeking full video, preview and teletext or for switching between video sources on the same grabber. Making the whole major node singleton is a bit harsh restriction IMHO.
Best regards,
Daniel
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