[Bug 793118] New: frames are pixelated/blurred on ios

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=793118

            Bug ID: 793118
           Summary: frames are pixelated/blurred on ios
    Classification: Platform
           Product: GStreamer
           Version: 1.12.4
                OS: other
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: mi at tailored-apps.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

I am working on an iOS app, my coworker is working on an Android app

We almost have the same pipeline:
            rtspsrc location=%@ latency=50 !
            rtpjitterbuffer !
            rtph264depay !
            avdec_h264 !
            videoconvert !
            glimagesink

I also have used this pipeline:
            videotestsrc !
            video/x-raw,width=1920,height=1080 !
            glimagesink

Basically any drawn frame is blurred (you can see white fading to blue) when
using videotestsrc and/or pixelated when using an rtspsrc for example any
earthcam stream on my devices. It looks fine on android.

Recordings were done using this pipeline and they look absolutely fine:
            rtspsrc location=%@ latency=0 connection-speed=30000 !
            rtpjitterbuffer !
            rtph264depay !
            h264parse !
            queue !
            mp4mux !
            filesink location=%@

Here is a gallery with some screenshots: https://imgur.com/a/QkSoV

Either I am missing something or I don't know why some streams are pixelated.

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