[Bug 796585] New: Stuttering when trying to decode stream encoded with omx

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Thu Jun 14 13:53:36 UTC 2018


https://bugzilla.gnome.org/show_bug.cgi?id=796585

            Bug ID: 796585
           Summary: Stuttering when trying to decode stream encoded with
                    omx
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-omx
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: patcherwork at gmail.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

I am trying to decode a h264 stream encoded by omxh264enc using omxh264dec. It
seems that every time I get a key frame there is a visible stutter in the
decoded video. The interesting part is if I try to encode using x264enc or
decode using avdec_h264, the stream looks fine. I am attaching videos of the
same recording using omx and x264, as well as a demo video with the visible
stutter. In the recorded video, I have used the force key frame event to ensure
that A keyframe is produced every second.

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