[Bug 793551] New: vc1parse: parsing issues with vc1 streams encoded in non-WMV containers

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Sat Feb 17 21:54:43 UTC 2018


https://bugzilla.gnome.org/show_bug.cgi?id=793551

            Bug ID: 793551
           Summary: vc1parse: parsing issues with vc1 streams encoded in
                    non-WMV containers
    Classification: Platform
           Product: GStreamer
           Version: 1.13.x
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: ishmael1985 at gmail.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Currently, msdk / mfx VC1 decoder plugins require vc1parse to work properly
with VC1 streams. There are issues however when dealing with VC1 streams
encoded in non-WMV containers such as Matroska (.mkv) or MP4, for e.g.,
executing the simple pipeline using a sample clip
(https://www.techpowerup.com/download/hd-dvd-demo-1080p-vc-1-ddplus-5-1/):

gst-launch-1.0 filesrc location=/path/to/hddvd_demo_1080p.mkv ! matroskademux !
vc1parse ! fakesink

This bug was previously reported in
https://github.com/intel/gstreamer-media-SDK/issues/65 but the solution
employed is hack-ish.

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