[gstreamer-bugs] [Bug 433491] New: GStreamer / FFMpeg Plug-in / MPEG4 / MP4 / mpeg4 video

GStreamer (bugzilla.gnome.org) bugzilla-daemon at bugzilla.gnome.org
Wed Apr 25 20:10:06 PDT 2007

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  GStreamer | gst-ffmpeg | Ver: 0.10.12
           Summary: GStreamer / FFMpeg Plug-in / MPEG4 / MP4 / mpeg4 video
           Product: GStreamer
           Version: 0.10.12
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-ffmpeg
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: crisman at nate.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified

# gst-launch -v filesrc location=/MEDIA/test_qcif.m4v ! ffdec_mpeg4 ! identity
! ffmpegcolorspace ! videoscale ! autovideosink

--> LOG
[gstffmpegdec.c:1666] [gst_ffmpegdec_sink_event]
/pipeline0/identity0: last-message = "event   ******* (identity0:sink) E (type:
102, GstEventNewsegment, update=(boolean)false, rate=(double)1,
applied_rate=(double)1, format=(GstFormat)GST_FORMAT_TIME, start=(gint64)0,
stop=(gint64)-1, position=(gint64)0) 0x9fc20a0"
[gstffmpegdec.c:1806] [gst_ffmpegdec_chain]
ERROR: from element /pipeline0/ffdec_mpeg40: Internal GStreamer error:
negotiation problem.  Please file a bug at
Additional debug info:
gstffmpegdec.c(2010): gst_ffmpegdec_chain (): /pipeline0/ffdec_mpeg40:
ffdec_mpeg4: input format was not set before data start
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
[gstffmpegdec.c:2025] [gst_ffmpegdec_change_state]
[gstffmpegdec.c:445] [gst_ffmpegdec_close]
[gstffmpegdec.c:2025] [gst_ffmpegdec_change_state]
FREEING pipeline ...
??? Questions!!
1) Why error occured? please tell me, solution of this ploblem.
2) What is pipeline for MPEG 4 video play?
   < What do i using element or plug-in? >

-- please help me.

ah.. using playbin plug-in, mpeg 4 video play. so command-line(gst-launch), 
manual pipeline can't play.

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