[gst-embedded] Can v4l2src with caps=image/jpeg ?

[Stefan Kost]

dongmei zhou schrieb:
> hi All,
>  
>   I  check  the media type that  V4l2src supports  with gst-inspect
> and it shows it can support pads: image/jpeg
> while when I try that
>  
>    gst-launch  v4l2src ! image/jpeg  
> width=640,height=480,bpp=24,depth=24,framerate=15/1 ! jpegdec !
> xvimagesink
>   it shows:
>    Error : from element pipeline0/v2l2src0: could not negotiate format
>   .....
>   check your filtered caps,
the template-caps contain all possible formats. When you actually open
the device it will limit to what it can actually do.

Stefan

>
>   I don't know the reason, Any  tips will be appreciated!
>   thanks in advance!
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