4k logitech Brio, image/jpeg - ksvideosrc0: Internal data stream error

[newguy]

Hi everyone,

I have been working with a Logitech Brio 4K webcam, on windows 10, 64bit
with gstreamer in powershell – trying to get a 4k, 3840x2160 video stream
displaying – I believe in order to get this I have to use the image/jpeg cap
of the device as the video/raw formats wont run to this.

At bottom I have listed the output of \gst-device-monitor-1.0.exe which
seems to suggest that the brio will support this as an image/jpeg format

I can quite happily get the video/x-raw displaying with this command, all is
well:

.\gst-launch-1.0 ksvideosrc
device-path="\\\\\?\\usb\#vid_046d\&pid_085e\&mi_00\#6\&1db17b4f\&0\&0000\#\{6994ad05-93ef-11d0-a3cc-00a0c9223196\}\\global"
! video/x-raw,format=YUY2,width=1920,height=1080,framerate=30/1 ! videoflip
method=horizontal-flip ! autovideosink


If I try and run the same command with any image/jpeg they all return with
an error

.\gst-launch-1.0 -v ksvideosrc
device-path="\\\\\?\\usb\#vid_046d\&pid_085e\&mi_00\#6\&1db17b4f\&0\&0000\#\{6994ad05-93ef-11d0-a3cc-00a0c9223196\}\\global"
! image/jpeg,width=1920,height=1080,framerate=60/1 ! multipartmux !
autovideosink


Regardless of width, height, rate the error is always this:

ERROR: from element /GstPipeline:pipeline0/GstKsVideoSrc:ksvideosrc0:
Internal data stream error.
Additional debug info:
gstbasesrc.c(2939): gst_base_src_loop ():
/GstPipeline:pipeline0/GstKsVideoSrc:ksvideosrc0:
streaming stopped, reason not-negotiated (-4)



which I believe suggest the problem is in ksvideosrc – possibly that the
Logitech reports capabilities that it cant in fact do?

Would anyone here have any suggestions, or might have seen this before?

Might it be a driver/Logitech issue, or maybe something in ksvideosrc ?

Many thanks for any pointers!
Mark




Device-monitor output:

       name  : Logitech BRIO
       class : Video/Source
       caps  : video/x-raw, format=(string)YUY2, width=(int)640,
height=(int)480, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)YUY2, width=(int)160,
height=(int)120, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)YUY2, width=(int)176,
height=(int)144, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)12/11;
               video/x-raw, format=(string)YUY2, width=(int)320,
height=(int)180, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)YUY2, width=(int)320,
height=(int)240, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)YUY2, width=(int)352,
height=(int)288, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)12/11;
               video/x-raw, format=(string)YUY2, width=(int)340,
height=(int)340, framerate=(fraction)30/1,
pixel-aspect-ratio=(fraction)12/11;
               video/x-raw, format=(string)YUY2, width=(int)424,
height=(int)240, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)YUY2, width=(int)440,
height=(int)440, framerate=(fraction)30/1,
pixel-aspect-ratio=(fraction)12/11;
               video/x-raw, format=(string)YUY2, width=(int)480,
height=(int)270, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)YUY2, width=(int)640,
height=(int)360, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)YUY2, width=(int)800,
height=(int)448, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)YUY2, width=(int)800,
height=(int)600, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)YUY2, width=(int)848,
height=(int)480, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)YUY2, width=(int)960,
height=(int)540, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)YUY2, width=(int)1024,
height=(int)576, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)YUY2, width=(int)1280,
height=(int)720, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)YUY2, width=(int)1600,
height=(int)896, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)YUY2, width=(int)1920,
height=(int)1080, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)640, height=(int)480,
framerate=(fraction)[ 5/1, 120/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)160, height=(int)120,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)176, height=(int)144,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)12/11;
               image/jpeg, width=(int)320, height=(int)180,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)320, height=(int)240,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)352, height=(int)288,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)12/11;
               image/jpeg, width=(int)424, height=(int)240,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)480, height=(int)270,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)640, height=(int)360,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)800, height=(int)448,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)800, height=(int)600,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)848, height=(int)480,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)960, height=(int)540,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)1024, height=(int)576,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)1280, height=(int)720,
framerate=(fraction)[ 5/1, 90/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)1600, height=(int)896,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)1920, height=(int)1080,
framerate=(fraction)[ 5/1, 60/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)2560, height=(int)1440,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)3840, height=(int)2160,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;
               image/jpeg, width=(int)4096, height=(int)2160,
framerate=(fraction)[ 5/1, 30/1 ], pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)NV12, width=(int)640,
height=(int)480, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)NV12, width=(int)640,
height=(int)360, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)NV12, width=(int)1280,
height=(int)720, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
               video/x-raw, format=(string)NV12, width=(int)1920,
height=(int)1080, framerate=(fraction)[ 5/1, 30/1 ],
pixel-aspect-ratio=(fraction)1/1;
       gst-launch-1.0 ksvideosrc
device-path="\\\\\?\\usb\#vid_046d\&pid_085e\&mi_00\#6\&1db17b4f\&0\&0000\#\{6994ad05-93ef-11d0-a3cc-00a0c9223196\}\\global"
! ...






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[Tim Müller]

On Wed, 2017-10-25 at 16:22 -0700, newguy wrote:

Hi,

> If I try and run the same command with any image/jpeg they all return
> with an error
>
> .\gst-launch-1.0 -v ksvideosrc
> device-
> path="\\\\\?\\usb\#vid_046d\&pid_085e\&mi_00\#6\&1db17b4f\&0\&0000\#\
> {6994ad05-93ef-11d0-a3cc-00a0c9223196\}\\global"
> ! image/jpeg,width=1920,height=1080,framerate=60/1 ! multipartmux !
> autovideosink
>
>
> Regardless of width, height, rate the error is always [not-
> negotiated]

Videosinks usually don't support image/jpeg, but want raw video.

So you need a decoder here that decodes the JPEG from the camera to raw
video.

Try something like:

 ... ! queue ! jpegdec ! videoconvert ! queue ! autovideosink

Cheers
-Tim

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[Matteo Valdina]

Hi,

I used a Logitech brio at 4K and you definitively need a jpegdec element.

In my case I was on Linux so it was a vaapijpegdec you can try with decodebin.

I remember that it was image/jpeg and not video/jpeg but this depends by the camera. Often I use the logi c3300 or logi 920 and they use video/jpeg.

Best

Matteo

On Oct 26, 2017 04:50, "Tim Müller" <[hidden email]> wrote:

On Wed, 2017-10-25 at 16:22 -0700, newguy wrote:

Hi,

> If I try and run the same command with any image/jpeg they all return
> with an error
>
> .\gst-launch-1.0 -v ksvideosrc
> device-
> path="\\\\\?\\usb\#vid_046d\&pid_085e\&mi_00\#6\&1db17b4f\&0\&0000\#\
> {6994ad05-93ef-11d0-a3cc-00a0c9223196\}\\global"
> ! image/jpeg,width=1920,height=1080,framerate=60/1 ! multipartmux !
> autovideosink
>
>
> Regardless of width, height, rate the error is always [not-
> negotiated]

Videosinks usually don't support image/jpeg, but want raw video.

So you need a decoder here that decodes the JPEG from the camera to raw
video.

Try something like:

 ... ! queue ! jpegdec ! videoconvert ! queue ! autovideosink

Cheers
-Tim

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[newguy]

Many thanks Tim, Matteo

I will give this a go later today.
I have been able to get the 4k throughput via graphedit and also on a Linux
box, although pipeline different
will check later and let you know,
thanks again
Mark




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[newguy]

gents,

many thanks for those pointers - working now on Windows with gstreamer!

! image/jpeg,width=3840,height=2160,framerate=30/1 ! queue ! jpegdec !
videoconvert ! queue ! autovideosink



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