Re: [OpenSIPStack] Playing Data on a mediastream / synchronize data

[Ilian J. C. P. <ip...@so...>]

Hi,

You mentioned earlier that you wanted to play to or record from a 
source/target other than the PC's sound system? The Softphone is using 
the PC sound system endpoint (i.e. OpalPCSSEndPoint) by default. But 
since you mentioned that your target environment may not necessarily 
have a mic or speaker, you will need to change that.

If for example you need to play to or record from a file, you will need 
to create classes like OpalFileEndPoint, OpalFileConnection, and 
OpalFileMediaStream which are analogous to OpalPCSSEndPoint, 
OpalPCSSConnection, and OpalAudioMediaStream. Just to refer to the said 
classes and pattern your implementation to their interfaces.

Then use your OpalFileEndPoint instance as as endpoint in SoftPhone.

Christian Wallukat wrote:
> Hi Ilian,
>
>
> Thanks for the response, but I don't understand where to override it ?
>
> I use the SoftPhone code to get it running and this is my last problem.
> The MediaStream was already created if this function 
>
> BOOL SoftPhoneManager::OnOpenMediaStream(OpalConnection & connection,
> OpalMediaStream & stream)
>
> Is called.
>
> Do you mean, that I need to change it in OpalConnection or where should I do
> so ?
>
>
> Kind regards
>
>
> Christian
>
> -----Ursprüngliche Nachricht-----
> Von: ope...@li...
> [mailto:ope...@li...] Im Auftrag von
> Ilian Jeri C. Pinzon
> Gesendet: Donnerstag, 15. Mai 2008 05:51
> An: ope...@li...
> Betreff: Re: [OpenSIPStack] Playing Data on a mediastream / synchronize data
>
> Hi,
>
> Christian Wallukat wrote:
>   
>> Hi all,
>>
>>
>> I try to send G711 Alaw data on the destination media stream but it
>> Is snatchy if the delay between the packets doesn’t match...
>>
>> The delay of 20ms is not always right, how can I time the packets ?
>>
>> I use OpalMediaStream::WriteFrame() for sending the data ...
>>   
>>     
> The OpalMediaPatch thread should do this for you automatically. You 
> don't have to call WriteFrame(). What you just need to do is implement 
> your derived OpalMediaStream interfaces properly (if they are not yet 
> implemented that is).
>   
>> Kind regards 
>>
>>
>> Christian
>>
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