gstreamer

Zhang, Zheng zheng.zhang at intel.com
Mon Apr 16 18:31:07 PDT 2012


Missing element: MPEG-4 Video decoder
U don't have mpeg4 decoder, need install gst-plugin-bad<http://gstreamer.freedesktop.org/modules/gst-plugins-bad.html> or gst-ffmpeg<http://gstreamer.freedesktop.org/modules/gst-ffmpeg.html>

-Zheng

From: gstreamer-devel-bounces+zheng.zhang=intel.com at lists.freedesktop.org [mailto:gstreamer-devel-bounces+zheng.zhang=intel.com at lists.freedesktop.org] On Behalf Of xiaowen
Sent: Monday, April 16, 2012 5:27 PM
To: edward.hervey at collabora.co.uk; sebastian.droege at collabora.co.uk
Subject: gstreamer

Hi:
    I am compliting the gstremer,when i run "gst-launch -v playbin2 uri=file:///sdcard/b.mp4",there are some errors.Could you help me ?


/GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0: connection-speed = 0
/GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0: source = (GstFileSrc) source
/GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0/GstDecodeBin2:decodebin20/GstTypeFindElement:typefind.GstPad:src: caps = video/quicktime, variant=(string)iso
Pipeline is PREROLLING ...
/GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0/GstDecodeBin2:decodebin20/GstQTDemux:qtdemux0.GstPad:sink: caps = video/quicktime, variant=(string)iso
Missing element: MPEG-4 Video decoder
WARNING: from element /GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0: No decoder available for type 'video/ mpeg, mpegversion=(int)4, parsed=(boolean)true, systemstream=(boolean)false'.
Additional debug info:
/opt/gstreamer/external/gstreamer_aggregate/gst-plugins-base/gst/playback/gsturidecodebin.c(867): unknown_type_cb (): /GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0


Thank you.
Bill

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