The Live555 FAQ has this question and answer:
Q: For many of the "test*Streamer" test prpgrams, the built-in RTSP
server is optional (and disabled by default). For
"testAMRudioStreamer", "testMPEG4VideoStreamer" and
"testWAVAudioStreamer", however, the built-in RTSP server is
manditory. Why?
A: For those media types (AMR audio, MPEG-4 video, and PCM audio,
respectively), the stream includes some codec-specific parameters that
are communicated to clients out-of-band, in a SDP description. Because
these parameters - and thus the SDP description - can vary from stream
to stream, the only effective way to communicate this SDP description
to clients is using the standard RTSP protocol. Therefore, the RTSP
server is a manditory part of these test programs.
My question is: does this same principle apply to H.264 as well
Yes.
--
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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