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libv4l todo:
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-don't automatically enable the software effects (awb, gamma) on cameras
 which need flipping, most of these only produce yuv data and software
 effects are very expensive on yuv data

-move pixart rotate 90 hack to v4lconvert_decode_jpeg_tinyjpeg, since it
 is only needed on select pixart cameras, which use this function for
 decoding, this will nicely cleanup the main conversion routine

-move usb info gathering code from libv4lcontrol into a new
 libv4l deviceinfo (devicequirks?) sublib, since it really does not have
 all that much to do with the emulated controls

-make dmi + usb matching more generic, with wildcards support, etc. To allow
 for a more flexible upside down table where one entry can match multiple
 models, hopefully lowering maintainance costs of the upside down device
 list a bit

-some sort of generic rotation framework (for tablets)?

-rewrite video effects code to be even more plugin based

-add code for software auto focus

-libv4lconvert: v4lconvert_do_try_format should always prefer smaller then
 requested resolutions over bigger then requested ones

-add support for setting / getting the number of read buffers

-add code to v4l2_read to not return frames more then say 5 seconds old

-take the possibility of pitch != width into account everywhere

-make updating of parameters happen based on time elapsed rather then
 frames

-get standardized CID for AUTOGAIN_TARGET upstream and switch to that

Nice to have:

-support packed yuv as output format so that we aren't forced to do
 conversion on upside down uvc cams

-add a software rotation control (0 / 90 / 180 / 270 degrees) for tablets.


utils todo:
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