[Bug 677722] New: PATCH: v4l2: Don't probe UVC devices for being interlaced

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Fri Jun 8 11:44:43 PDT 2012


https://bugzilla.gnome.org/show_bug.cgi?id=677722
  GStreamer | gst-plugins-good | unspecified

           Summary: PATCH: v4l2: Don't probe UVC devices for being
                    interlaced
    Classification: Platform
           Product: GStreamer
           Version: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: jwrdegoede at fedoraproject.org
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=215985)
 View: https://bugzilla.gnome.org/attachment.cgi?id=215985
 Review: https://bugzilla.gnome.org/review?bug=677722&attachment=215985

PATCH: v4l2: Don't probe UVC devices for being interlaced

UVC devices are never interlaced, and doing VIDIOC_TRY_FMT on them
causes expensive and slow USB IO, so don't probe them for interlaced.

This shaves 2 seconds of the startup time of cheese with a Logitech
Webcam Pro 9000.

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