[gstreamer-bugs] [Bug 511543] New: cannot transcode wmv via mms to vorbis

GStreamer (bugzilla.gnome.org) bugzilla-daemon at bugzilla.gnome.org
Wed Jan 23 05:53:09 PST 2008


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  GStreamer | gst-plugins-ugly | Ver: 0.10.6
           Summary: cannot transcode wmv via mms to vorbis
           Product: GStreamer
           Version: 0.10.6
          Platform: Other
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-ugly
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: planz at mi.fu-berlin.de
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: 2.19/2.20
   GNOME milestone: Unspecified


Please describe the problem:
When trying to transcode the audio part of a mms stream to ogg vorbis, the
resulting ogg is broken. That is, ogginfo says

  Warning: sequence number gap in stream 1. Got page 3 when expecting page 2.
Indicates missing data.

and playing it with ogg123 sounds garbled. While running, vorbisenc keeps
emitting  the "encoding at quality level x" message. 

IIRC this might be related to discontinous timestamps and the way vorbisenc
deals with them, but I can't find that bug report again; Sorry for probably
reposting this...


Steps to reproduce:
gst-launch-0.10 mmssrc
location="mms://c36000-o.w.core.cdn.streamfarm.net/36000zdf/ondemand/3546zdf/zdf/3sat/ard/ard_80121_begegnungen_broder_vh.wmv"
! decodebin2 ! audioconvert ! progressreport ! vorbisenc ! oggmux ! filesink
location="audio.ogg" -v


Actual results:
a broken ogg vorbis of the audio channel is created

Expected results:
the videos audio channel transcoded to an ogg vorbis audio

Does this happen every time?
yes. And with any mms server I've tried so far.

Other information:
gstreamer and libs as provided by ubuntu 7.10 i386


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