[gst-devel] how do queries get processed by a pipeline?

[Julien Moutte]

That's correct

Best regards

Julien

On Sep 30, 2007, at 6:01 AM, "Daniel Lenski" <dlenski at gmail.com> wrote:

> On 9/29/07, Julien Moutte <julien at moutte.net> wrote:
>>
>> Queries are sent from sinks in upstream direction. Every element  
>> can try
>> to handle the query. Usually an audio decoder will try to handle the
>> duration query.
>>
>> To handle the duration query the audio decoder will most likely do a
>> duration query in bytes upstream, get the result, convert it using
>> bitrate of average bitrate for vbr and then return the duration in  
>> time
>> unit to your query.
>>
>> Does that reply to your question ?
>
> Thanks Julien!  That does clear it up.  So, if an element receives a
> query and needs more information from upstream, it can send that query
> to its own sink-pad and then do its own processing on the result that
> comes back.  Is that about right?
>
> Dan
>
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