[Live-devel] frame headers

[Matthew Romaine]

Hi Ross,

A few questions regarding the below topic:

On 2005/01/29, at 2:48, Ross Finlayson wrote:
>> But my question was more whether frame-specific headers should be 
>> inserted into the data buffer in a FramedSource (i.e, when reading 
>> from a file, its doGetNextFrame function), or in an RTPSink's 
>> doSpecialFrameHandling ...
> In principle, the right place to do this would be in your "RTPSink" 
> subclass. However, the base classes ("RTPSink" and 
> "MultiFramedRTPSink") have not yet been set up (with appropriate 
> virtual functions, etc.) to let you do this properly. (It will 
> currently let you set up a RTP-specific header before a single frame 
> of data in the packet, but not before *multiple* frames of data in the 
> packet.)
>
> So, at least for now, you should fill in your RTP-specific headers - 
> along with your frame data - in the ("FramedSource" or "FramedFilter") 
> subclass that will feed into your "RTPSink" subclass. Admittedly, this 
> is a 'layering violation' (RTP-specific stuff should really remain 
> within your "RTPSink" subclass), but it seems to be the only way to do 
> what you want for now.
what other payload formats currently supported by the liveMedia package 
are taking this route to resolve the issue? Are there enough to inspire 
a new release that will fix the 'layering violation'?

thanks,
matt