[gst-devel] Pipeline stalls

Tiago Katcipis katcipis at inf.ufsc.br
Wed Sep 23 22:35:14 CEST 2009


Try to use gst-debug-level=5 to see all debug information, it helped me a
lot on such situations. Without knowing better my_wma_decoder and my_sink is
hard to help more.

http://gstreamer.freedesktop.org/data/doc/gstreamer/head/manual/html/section-checklist-debug.html

On Wed, Sep 23, 2009 at 5:18 PM, Sitanshu Nanavati <sitanshu at gmail.com>wrote:

> Are you looking for the pipeline construction command-line?
> $ gst-launch filesrc location=/my/home/audio.wma ! ffdemux_asf !
> my_wma_decoder ! my_sink
>
> On Thu, Sep 24, 2009 at 1:43 AM, Tiago Katcipis <katcipis at inf.ufsc.br>wrote:
>
>> can you specify better the pipeline?
>>
>>   On Wed, Sep 23, 2009 at 4:57 PM, Sitanshu Nanavati <sitanshu at gmail.com>wrote:
>>
>>>   Updated the subject line.
>>> Please ignore the earlier message.
>>>
>>>  Hello All,
>>>>
>>>> I am trying to run audio thru pipeline.  The control stalls at
>>>> PREROLLING.
>>>> I see a warning and an error prior to prerolling state.  I am not sure
>>>> from where they are popping and why.
>>>>
>>>> Can someone please let me know
>>>> 1)  what is the root cause of below warning and error.  Would it harm
>>>> the audio playback?
>>>> 2)  what i should be checking for the pipeline stalling at PREROLL.
>>>>
>>>> Thanks in advance.
>>>> -s
>>>>
>>>> .....
>>>> ......
>>>> (gst-launch-0.10:19809): GLib-GObject-WARNING **: specified class size
>>>> for type
>>>> `MyAudio' is smaller than the parent type's `GObject' class size
>>>>
>>>> (gst-launch-0.10:19809): GLib-CRITICAL **: g_once_init_leave: assertion
>>>> `initial
>>>> ization_value != 0' failed
>>>> Pipeline is PREROLLING ...
>>>>
>>>
>>>
>>>
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>>
>>
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>
>
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-- 
"Se você se perder na selva africana, não precisa se desesperar. Basta
sentar em uma pedra e começar a instalar GNU/Linux em seu laptop. Em menos
de 5 minutos aparecerá alguém pra discordar de sua escolha de distribuição,
do particionamento, do gerenciador de janelas, do ambiente de desktop, do
editor de textos..."
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