[Live-devel] Proxy H264 and PCMA Over TCP Always Failed

贾正锋 jiazhengfeng at fchsoft.com
Mon May 15 02:57:44 PDT 2017


Hi,
     When using live555 proxy server to relay backend camera's both 
video and audio channels, RTPInterface.cpp  always complain send data 
over tcp failed.
     My Camera's Video is encoded with H264, Audio is 711-Alaw.
Camera<========TCP==========>live555ProxyServer<==========TCP=======>VLC
     When changed  audio codec from 711-alaw to 711-ulaw or MP2L2 or 
other Codec, everything is OK. But 711A is REQUIRED, How to locate and 
fix up ?
   Following is live555 logs with DEBUG_SEND enabled.
/ sendRTPorRTCPPacketOverTCP: 1456 bytes over channel 0 (socket 8)/
/     sendDataOverTCP: resending 748-byte send (blocking)/
/     sendDataOverTCP: blocking send() failed (delivering -1 bytes out 
of 748); closing socket 8/
/     SocketDescriptor(socket 8)::deregisterRTPInterface(channel 255)/
/
/


            /
            /

/Regards,/
/jiazhengfeng/
/
/

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