[Bug 759019] New: Internal data flow error does not result in gst-launch-1.0 returning the proper return code

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=759019

            Bug ID: 759019
           Summary: Internal data flow error does not result in
                    gst-launch-1.0 returning the proper return code
    Classification: Platform
           Product: GStreamer
           Version: 1.6.1
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: florent.thiery at ubicast.eu
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

I'm testing a UVC webcam, and i get a flow error (which is fine); what isn't,
is that the return code is 0.


$ LANG=C gst-launch-1.0 v4l2src num-buffers=1 ! "video/x-raw, width=(int)1920,
height=(int)1200, framerate=(fraction)25/1" ! fakesink
Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Internal data
flow error.
Additional debug info:
gstbasesrc.c(2943): gst_base_src_loop ():
/GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
streaming task paused, reason not-negotiated (-4)
Execution ended after 0:00:00.020056914
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...
$ echo $?
0

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