v4l2src on Android

[Nicolas Dufresne]

Le mar. 11 août 2020 05 h 45, Chris Landa <stylesuxx at gmail.com> a écrit :

> Am Di., 11. Aug. 2020 um 05:41 Uhr schrieb Nicolas Dufresne <
> nicolas at ndufresne.ca>:
>
>> Le lundi 10 août 2020 à 21:39 +0200, Chris Landa a écrit :
>> > I already tried to get my question answered via IRC, but that did not
>> work out, so I am trying here.
>> >
>> > I am porting an existing pipeline from Desktop to Android. I am using
>> the v4l2src and am trying to build via Cerbero but the resulting binaries
>> still do not contain the v4l2src.
>> >
>> > What do I need to do in order to enable the v4l2src for Android.
>>
>> As an app, you are not going to be allowed to access /dev/videoX
>> directly. Instead, you should use Android specific camera source
>> (ahcsrc).
>
>
> Thank you for your answer
>
> ahcsrc uses the Camera API (old, deprecated version), which does not
> support an external camera attached via USB.
> Technically I can set proper permissions on the device node since it is a
> rooted android device, but the better way seems to be to get the buffers
> off the v4l2 device and push them in through appsrc.
>
> I just thought if there is a quick and dirty way, I'll prefer that.
>

Getting v4l2src in the case seems appropriate, just edit the meson.build
file to not avoid compilation on Android.


> Chris
>
>
>>
> >
>> > Kind regards,
>> > Chris
>> > _______________________________________________
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>>
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