[Bug 756457] New: typefind does not recognize raw VP8 streams

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=756457

            Bug ID: 756457
           Summary: typefind does not recognize raw VP8 streams
    Classification: Platform
           Product: GStreamer
           Version: 1.6.0
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: fgouget at codeweavers.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

typefind is unable to determine the type of a raw VP8 stream. To reproduce this
bug run the following commands:

$ gst-launch-1.0 videotestsrc num-buffers=40 ! videoconvert ! \
      vp8enc ! multifilesink location=multi-vp8.%03d

$ gst-launch-1.0 multifilesrc location=multi-vp8.%03d ! typefind ! \
      vp8dec ! videoconvert ! xvimagesink
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
ERROR: from element /GstPipeline:pipeline0/GstTypeFindElement:typefindelement0:
Could not determine type of stream.
Additional debug info:
gsttypefindelement.c(943): gst_type_find_element_chain_do_typefinding ():
/GstPipeline:pipeline0/GstTypeFindElement:typefindelement0
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Freeing pipeline ...


Replacing vp8 with vp9 shows the same issue also exists for raw VP9 streams.

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