[Bug 693792] New: Quicktime video on trailers.apple.com is choppy at some moments

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Thu Feb 14 04:57:03 PST 2013


https://bugzilla.gnome.org/show_bug.cgi?id=693792
  GStreamer | gst-libav | 1.0.2

           Summary: Quicktime video on trailers.apple.com is choppy at
                    some moments
    Classification: Platform
           Product: GStreamer
           Version: 1.0.2
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-libav
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: pecisk at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


OS: Fedora 18, with gstreamer1-libav-1.0.2 from RPM Fusion, and -base and -good
from main repo.

1. Download Quicktime movie from trailers.apple.com (I used Totem plugin, used
"play on Video player" in popup menu, and then saved a copy. It doesn't allow
curl/wget downloads it seems, due of user agent propably);
2. run GST_DEBUG=*:3 totem video_you_just_saved
3. Getting tons of repeated these two lines, they repeat more often when frame
skipping starts:
0:00:44.881353687  3509 0x7f7f78003190 ERROR                  libav :0::
Changing field mode (3 -> 3) between slices is not allowed
0:00:44.881385893  3509 0x7f7f78003190 ERROR                  libav :0::
decode_slice_header error

Expected behaviour: no choppy playback

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