[Asterisk-video] app_mp4 fixed video playback

[Klaus Darilion]

yes, option 'a' is not needed.

Sergio Garcia schrieb:
> ---------- Original Message ----------------------------------
> From: Klaus Darilion <klaus.mailinglists at pernau.at>
> Reply-To: Development discussion of video media support in Asterisk<asterisk-video at lists.digium.com>
> Date:  Fri, 31 Aug 2007 08:11:02 +0200
>>
>> Sergio Garcia schrieb:
>>  > The problem is that I don't want to answer the phone without knowing
>>> if there is anyone at the other side. The idea I have is implment an
>>> h324m_gw_answer that answer the channel and wait for a control
>>> command (probably AST_CONTROL_VIDUPDATE) to return control..
>> What about options for h324m_gw, e.g.:
>>  'a': answer the incoming call immediately. This is
>>       useful in video applications where the incoming
>>       call will be answered for sure.
>>
>>  'w': wait for H245 channel negotiation. When using this option,
>>       h324m_gw starts the pseudo channel after H245 handshake. Thus,
>>       the pseudo channel can start playback of audio and video
>>       immediately without loosing frames. Note: 'w' implies 'a'
> 
> That could be another option, but the  I don't see "a" option it. 
> I mean, I don't see in which case you would like to answer the phone without
> waiting for the h245 to finish. 
> The only case I would be if you have something that is not instant in the local
> channel (like for example grabbing caller user data) that would take a few seconds
> so you want to run the h245 negotiation and the user data process in parallel.
> But then you'll have to synchronize both channels for waiting each other..
> 
> Perhaps a mixed solution could be good here.. and implementing a AST_CONTROL_VIDUPDATE
> to signal the 3g phone is also somehting that we need.. 
> 
> BR
> Sergio
>  
> 
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