[Live-devel] How to dispatch media data to multiple sinks?

[Ross Finlayson]

> My filter chain look like:
> 
> H264VideoRTPSource -> MyFilter -> H264VideoRTPSink.
> 
> The reason I use a Filter betweens H264VideoRTPSource and 
> H264VideoRTPSink is, I want save the file and send to multiple remote 
> player(unicast) simultaneously.
> 
> But it seems the H264VideoRTPSink can only work with H264VideoStreamFramer directly in the current source . 

That's correct.  The object that feeds into a "H264VideoRTPSink" *must* be a "H264VideoStreamFramer" (or a subclass of this).

One simple way to do what you want is to structure your filter chain as follows:

H264VideoRTPSource -> MyFilter -> H264VideoStreamFramer -> H264VideoRTPSink

Where "MyFilter" is a new filter class - that you would write - that simply copies its input frames to its output, but also writes to your output file.


Ross Finlayson
Live Networks, Inc.
http://www.live555.com/

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