Hi everyone, This may not be most appropriate place to ask, because the UVC device I'm building (custom hardware) actually seems to be working pretty well under linux, I'm getting a nice steady 25fps PAL picture. I just feel there's a lot of expertise here that someone may be able to assist.
The problem is my hardware under windows only gets ~10-12fps, and I need cross platform compatibility. It doesn't report any dropped frames, and it gets this speed no matter which renderer I use. I don't think the problem is the pc, as I've tried it on a couple of different windows boxes and the working linux is in a vmware instance on the same pc anyway. I feel there must be something wrong in my uvc descriptors / setup that is confusing the windows driver where the linux one is more forgiving. I've tried playing with the mix/max bitrates, and continuous vs static frame intervals, all to no avail. I've also added timestamps to my frames (uncompressed yuy2) which I think are working, but also noticed no difference. Is there any way with the linux driver to check the frame timestamps, if they're wrong it should show up as late/missed frames? Has anyone got any suggestions? I really want to ensure my hardware is going to be stable on as wide a range of computers as possible. Thanks, Andrew
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