[FFmpeg-devel] [PATCH] Don't send keepalive messages when interleaving RTP over TCP

[Fred Rothganger]

Attached is a small patch to correct the following problem:

When receiving video via RTP interleaving over the same TCP connection 
as an RTSP PLAY request, the current code sends a keepalive request 
every 30 seconds. Since the response must come over the same connection 
as the interleaved RTP packets, this forces the server to stop streaming 
RTP. On the other hand, keepalive is completely unnecessary, since the 
connection is by definition live if the interleaved packets are arriving.

This patch simply adds a check to make sure we are not using 
RTSP_LOWER_TRANSPORT_TCP before sending a keepalive request.
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