Bill Nottingham wrote:
Hans de Goede (j.w.r.degoede@xxxxxx) said:
See:
http://fedoraproject.org/wiki/Features/BetterWebcamSupport
Any reason a shim library is simpler than porting apps to V4L2?
Because most v4l1 apps expect to say things to the webcam like gimme rgb data
please, whereas the raw format on the usb wire may be something completely
different with v4l1, the conversion used to be done in the kernel, but with
v4l2 this is (rightfully) no longer done.
Also there are quite a few v4l1 apps.
So its not just API conversion, but also image format conversion. Alternatively
a v4l2 library could be written which offers a higher abstraction layer could
be written and apps ported to that, I guess thats the golden way. But so much
todo in so little time.
The shim also has the advantage of working with abominations like flash and
skype, which although abominal are also quite popular.
Regards,
Hans
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