On Monday 07 February 2011, Sachin Gupta wrote:
> In Multimedia WG we have been posed with a question regarding best way
> to expose low level API for camera.so this a questions mainly about pros and
> cons of v4l2 and omx over each other.So to involve a wider community to
> discuss this topic I am floating this mail on linaro-dev.Please share your
> view/experiences.Also please involve any body else in this mail who can
> provide valuable inputs on this.
I've had to look up with "omx" actually stands for [1][2], but from
an outsider view, they don't seem to be mutually exclusive or even
competing interfaces. v4l2 is the interface you use to get at camera
data, in whatever format the camera gives you. There are no alternatives
to that. OpenMax gives you a way to accelerate video codecs, which
is good, but this sits a layer higher up in the stack. Supporting omx
is probably a good idea, but would be totally optional.
Arnd
[1] http://www.khronos.org/openmax/
[2] http://www.freedesktop.org/wiki/GstOpenMAX
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