[gst-embedded] [gst-devel] can playbin handle the sink withdecoding functions?

[Stefan Kost]

Dan Taylor schrieb:
> 
>> -----Original Message-----
>> From: Michael Smith [mailto:msmith at xiph.org]
>> Sent: Friday, February 20, 2009 5:31 PM
>> To: Liang Zhao
>> Cc: gstreamer-embedded at lists.sourceforge.net; gstreamer-
>> devel at lists.sourceforge.net
>> Subject: Re: [gst-devel] [gst-embedded] can playbin handle the sink
>> withdecoding functions?
>>
>> On Fri, Feb 20, 2009 at 5:28 PM, Liang Zhao <liangzhao.bit at gmail.com>
>> wrote:
>>> Hi,
>>>
>>> If I have a audio sink with decoding functions, that means this
>> audiosink
>>> can decode encoded data and render it to audio device. Can playbin
>> handle
>>> this type audio sink well?
>> No. playbin2 should be able to handle this sort of situation, though,
>> if you configure it to.
>>
>> Mike
> 
> Since the function of playbin is to decide what decoders to use, and
> this
> platform already IS the decoder, why isn't this element simply replacing
> playbin in the pipeline?  I don't understand the logic of using a
> decoder-
> match-and-connect element to front-end a decoder, unless there's an
> option
> of additional decoders, and this hardware is just one of the many.
> 
> source->[demux->]queue->hw_decoder->audio_sink
> 

playbin{,2} does more that. dump the pieplien graph and see yourself. To give
some hints, which source-element, parsers, ...

Stefan