[Live-devel] Integrating live555 RTSP client

[Ross Finlayson]

> I have to integrate live555 RTSP client into an existing application
> that decodes H.264 video and sends it to display. The application
> is multithreaded,  with separate threads for decoding and display
> tasks.
> 
> I was thinking of using testRTSPClient code as a base, putting
> it into separate thread, and notifying decoding thread when next
> frame is ready. My idea was to use condition variable embedded into
> DummySink object and waiting on condvar in another thread. Does that
> sound reasonable ?

Yes, it does, provided that no LIVE555 library code is called from the decoding/display thread.

You should also try to ensure that the LIVE555 thread never blocks.  In particular, that means that if your 'sink' object finds that the the decoding/display thread is not currently ready to decode its frame, then it should enqueue the frame for later decoding, rather than blocking to wait until the decoding/display thread is ready.  (Note that because of network jitter, incoming frames can't be expected to always arrive evenly-paced.)


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

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