Please help with filter caps.

[Kapil Agrawal]

you might want to try

gst-launch v4l2src ! image/jpeg, framerate=30/1, width=1280, height=720 !
decodebin ! xvimagesink

here decodebin will use appropriate jpegdecoder.

Best
Kapil

On Sat, Sep 10, 2011 at 7:15 AM, Garth Tissington <gtissington at gmail.com>wrote:

> Hi
>
> I'm a gstreamer newb.. would appreciate any advice on this one.
>
> I have a Logitech c910 web ca connected to a debian 6 machine.
>
> GUVCview can use it at 30/1 fps, w=1920 h=1080.  Picture is beautiful and
> real time.  I just can't get the caps filter right to do the same from
> gst-launch.
>
>
>
> 1)    gst-launch v4l2src ! xvimagesink
>
> This works...  the image is about 720p I think but frame rate is about 5fps
>
>
> 2)    gst-launch v4l2src ! video/x-raw-yuv, framerate=30/1, width=640,
> height=360 ! xvimagesink
>
> This works pretty well.  Size and frame rate appear to be correct.
>
> 3)    gst-launch v4l2src ! video/x-raw-yuv, framerate=30/1, width=1280,
> height=720 ! xvimagesink
>
> This pipeline reports:     v4l2src0: Could not negotiate format
>
>
> Now, I kind of get why.  Because this camera will only deliver 720p30fps in
> MJPEG format.
>
> However, I've tried everything I an think of and I just can't get the caps
> filter right.
>
>
> How can I connect to the web cam in higher resolutions with mjpeg format?
>
>
> Thanks for your help.
>
> Garth
>
>
>
>
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>
>


-- 
www.mediamagictechnologies.com (Gstreamer, ffmpeg, Red5, Streaming)
twitter handle: @gst_kaps
http://www.linkedin.com/in/kapilagrawal
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