[Bug 647217] New: camerabin doesn't support JPEG-producing webcams

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Fri Apr 8 12:41:42 PDT 2011


https://bugzilla.gnome.org/show_bug.cgi?id=647217
  GStreamer | gst-plugins-bad | 0.10.x

           Summary: camerabin doesn't support JPEG-producing webcams
    Classification: Platform
           Product: GStreamer
           Version: 0.10.x
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: gabriel.burt at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


I have two somewhat old webcams:

ID 041e:401c Creative Technology, Ltd Webcam NX [PD1110]
ID 046d:08d7 Logitech, Inc. QuickCam Communicate STX

If I run `gst-launch camerabin` on these, I get "Internal GStreamer error:
negotiation problem."

v4l2src's probed caps for them are both something like this:
image/jpeg, width=(int)640, height=(int)480, interlaced=(boolean)false,
framerate=(fraction)[ 0/1, 100/1 ]; image/jpeg, width=(int)320,
height=(int)240, interlaced=(boolean)false, framerate=(fraction)[ 0/1, 100/1 ]

If I run `gst-launch v4l2src ! decodebin2 ! autovideosink` it works perfectly.

It seems like camerabin should use decodebin2 for these cameras.

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