[gst-embedded] gst-launch problem

Ravi Karmarkar karmarkar.ravi at gmail.com
Tue May 26 21:22:44 PDT 2009


Now when I try to play a video from swfdec, I get the following warnings:

(swfplay:1023): GStreamer-WARNING **: Failed to load plugin
'/usr/lib/gstreamer-0.10/libgstvideo4linux.so':
/usr/lib/gstreamer-0.10/libgstvideo4linux.so: undefined symbol:
XQueryExtension

(swfplay:1023): GStreamer-WARNING **: Failed to load plugin
'/usr/lib/gstreamer-0.10/libgstalsa.so':
/usr/lib/gstreamer-0.10/libgstalsa.so: undefined symbol:
snd_mixer_first_elem

(swfplay:1023): GStreamer-WARNING **: Failed to load plugin
'/usr/lib/gstreamer-0.10/libgstffmpeg.so':
/usr/lib/gstreamer-0.10/libgstffmpeg.so: undefined symbol: first_avcodec

(swfplay:1023): GStreamer-WARNING **: Failed to load plugin
'/usr/lib/gstreamer-0.10/libgstximagesink.so':
/usr/lib/gstreamer-0.10/libgstximagesink.so: undefined symbol: XFree

(swfplay:1023): GStreamer-WARNING **: Failed to load plugin
'/usr/lib/gstreamer-0.10/libgstxvimagesink.so':
/usr/lib/gstreamer-0.10/libgstxvimagesink.so: undefined symbol:
XQueryExtension.

Does it mean that I need to install libraries like alsa, ffmpeg etc? I found
that alsa is already installed. So I wonder what is the cause of above
warning (related to alsa) and other warnings as well?

Thanks and regards,
Ravi Karmarkar

On Tue, May 26, 2009 at 7:10 PM, Ravi Karmarkar <karmarkar.ravi at gmail.com>wrote:

> Hi,
>
> The problem seems to be fixed by manually setting GST_PLUGIN_PATH to
> /usr/lib/gstreamer-0.10.
>
> Thanks and regards,
> Ravi Karmarkar
>
> On Tue, May 26, 2009 at 5:09 PM, Ravi Karmarkar <karmarkar.ravi at gmail.com>wrote:
>
>> Hi,
>>
>> I tried your suggestion..... gst-inspect-0.10
>> /usr/lib/gstreamer-0.10/libgstcoreelements.so
>>
>> Following is the output:
>>
>> Plugin Details:
>>   Name:            coreelements
>>   Description:        standard GStreamer elements
>>   Filename:        /usr/lib/gstreamer-0.10/libgstcoreelements.so
>>   Version:        0.10.22
>>   License:        LGPL
>>   Source module:    gstreamer
>>   Binary package:    GStreamer source release
>>   Origin URL:        Unknown package origin
>>
>>   capsfilter: CapsFilter
>>   fakesrc: Fake Source
>>   fakesink: Fake Sink
>>   fdsrc: Filedescriptor Source
>>   fdsink: Filedescriptor Sink
>>   filesrc: File Source
>>   identity: Identity
>>   queue: Queue
>>   filesink: File Sink
>>   tee: Tee pipe fitting
>>   typefind: TypeFind
>>   multiqueue: MultiQueue
>>
>>   12 features:
>>   +-- 12 elements
>>
>> which means that fakesrc is in fact installed? How to specify the correct
>> search path in that case?
>>
>>
>> Thanks and regards,
>> Ravi Karmarkar
>>
>>
>>>
>>>
>>> Date: Tue, 26 May 2009 09:41:01 +0100
>>> From: Tim M?ller <tim.muller at collabora.co.uk>
>>> Subject: Re: [gst-embedded] gst-launch problem
>>> To: gstreamer-embedded at lists.sourceforge.net
>>> Message-ID: <1243327261.4399.3.camel at mini.centricular.net>
>>> Content-Type: text/plain
>>>
>>> On Tue, 2009-05-26 at 16:14 +0800, Ravi Karmarkar wrote:
>>>
>>> > I have installed GStreamer-0.10.22 to be used with swfdec-0.8.4 for my
>>> > sh4 platform.
>>>
>>> Please note the latest version is 0.10.23.
>>>
>>> > After installation I tried to run the test
>>> > gst-launch -v fakesrc num_buffers=5 ! fakesink
>>>
>>> > and got the error ERROR: pipeline could not be constructed: no element
>>> "fakesrc".
>>> >
>>> > What is the cause of this error? My libraries are installed in
>>> /usr/lib/gstreamer-0.10 and when I try to grep for fakesrc in this
>>> directory, I see that following files contain 'fakesrc'
>>>
>>> Hard to say without more information. You could try this:
>>>
>>>  $ gst-inspect-0.10 /usr/lib/gstreamer-0.10/libgstcoreelements.so
>>>
>>> to see if it's a search path problem or something else.
>>>
>>> In the unlikely case that you have not disabled the debugging system,
>>> you could run
>>>
>>>  $ GST_DEBUG=*:3 gst-inspect-0.10 fakesrc 2>dbg.log
>>>
>>> and see if you spot anything suspicious/wrong.
>>>
>>> Cheers
>>>  -Tim
>>>
>>>
>>>
>>>
>>
>
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