[Bug 749834] New: rtph264depay: Should parse the PPS/SPS to expose width/height

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=749834

            Bug ID: 749834
           Summary: rtph264depay: Should parse the PPS/SPS to expose
                    width/height
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: Normal
         Component: gst-plugins-good
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: nicolas.dufresne at collabora.co.uk
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Many AVC decoders, like vtdec, required the width and height field in the caps.
Currently, in RTP pipeline, we are force to add h264parse element in order to
gain these field. In the idea that a parser should not generally be needed
after the depayloader, we should consider parsing the PPS/SPS in order to
extract the width and height field. While doing so, we could complete the caps
base on the known field required by downstream (e.g. like setting the profile).

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