[Bug 785156] New: v4l2src: May takes a lot of time to start with certain USB UVC cameras

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Thu Jul 20 02:45:20 UTC 2017


https://bugzilla.gnome.org/show_bug.cgi?id=785156

            Bug ID: 785156
           Summary: v4l2src: May takes a lot of time to start with certain
                    USB UVC cameras
    Classification: Platform
           Product: GStreamer
           Version: 1.6.0
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: nicolas at ndufresne.ca
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

This has been often reported but never files as bug. I own a camera that takes
about 38s to start with GStreamer and 7s with other application. Fixing this
was non-trivial as we didn't want to drop support for negotiating
interlace-mode and colorimetry, but it was possible. Patches coming ...

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