[Bug 653013] New: h264parse fails to create SPS when input uses 4 byte start code

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=653013
  GStreamer | gst-plugins-bad | 0.10.22

           Summary: h264parse fails to create SPS when input uses 4 byte
                    start code
    Classification: Platform
           Product: GStreamer
           Version: 0.10.22
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: phil.edworthy at renesas.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


When parsing an H.264 byte stream which uses a 4 byte start code (00000001),
with an encoder that doesn't output codec_data, h264parse generates an
incorrect avc Configuration record.

gst_h264_parse_make_codec_data uses hard coded offsets into the saved SPS NAL
which only work when using a 3 byte start code.

Unfortunately, this was found with a hardware accelerated encoder, so it will
be hard for other people to reproduce.

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