我正在将 Live555 流媒体用于记录和重新传输来自 IP 摄像机的 RTSP 流的应用程序。为此，我使用 openRTSP 进行录制，使用 live555 代理服务器重新传输摄像机流。对于一些摄像头，我们面临一个奇怪的问题，即摄像头录制成功，但是 live555 代理服务器无法为同一摄像头流生成新流（详细输出转储中没有失败的迹象，但是代理服务器生成的 rtsp url 不能被 rtsp 客户端解码）。由于我对 live555 代理服务器的详细信息一无所知，因此我无法解决这个问题。我尝试使用 VLC 流式传输相同的相机流，效果很好。这可能有什么问题。我特此附上详细输出以供参考。
E:\...\live\proxyServer>live555ProxyServer.exe -V rtsp://10.17.10.67/ch0_unicast_firststream
LIVE555 Proxy Server
(LIVE555 Streaming Media library version 2012.05.17)
Opening connection to 10.17.10.67, port 554...
RTSP stream, proxying the stream "rtsp://10.17.10.67/ch0_unicast_firststream"
Play this stream using the URL "rtsp://10.17.1.150/proxyStream"
(We use port 8000 for optional RTSP-over-HTTP tunneling.)
...remote connection opened
Sending request: DESCRIBE rtsp://10.17.10.67/ch0_unicast_firststream RTSP/1.0
CSeq: 2
User-Agent: ProxyRTSPClient (LIVE555 Streaming Media v2012.05.17)
Accept: application/sdp
Received 716 new bytes of response data.
Received a complete DESCRIBE response:
RTSP/1.0 200 OK
CSeq: 2
Date: Wed, Jul 04 2012 10:55:19 GMT
Content-Base: rtsp://10.17.10.67/ch0_unicast_firststream/
Content-Type: application/sdp
Content-Length: 540
v=0
o=- 1341385393116860 1 IN IP4 10.17.10.67
s=Session of first stream
i=First Codec Stream
t=0 0
a=tool:LIVE555 Streaming Media v2007.08.03
a=type:broadcast
a=control:*
a=range:npt=0-
a=x-qt-text-nam:Session of first stream
a=x-qt-text-inf:First Codec Stream
m=video 0 RTP/AVP 96
c=IN IP4 0.0.0.0
a=rtpmap:96 MP4V-ES/90000
a=fmtp:96 profile-level-id=5;config=000001B005000001B509000001000000012000847A98
28A02240A31F
a=control:track1
m=metadata 0 RTP/AVP 97
c=IN IP4 0.0.0.0
a=rtpmap:97 METADATA/64000
a=control:track2
ProxyServerMediaSession["rtsp://10.17.10.67/ch0_unicast_firststream/"] added new
"ProxyServerMediaSubsession" for RTP/video/MP4V-ES track
ProxyServerMediaSession["rtsp://10.17.10.67/ch0_unicast_firststream/"] added new
"ProxyServerMediaSubsession" for RTP/metadata/METADATA track
Sending request: OPTIONS rtsp://10.17.10.67/ch0_unicast_firststream/ RTSP/1.0
CSeq: 3
User-Agent: ProxyRTSPClient (LIVE555 Streaming Media v2012.05.17)
Received 122 new bytes of response data.
Received a complete OPTIONS response:
RTSP/1.0 200 OK
CSeq: 3
Date: Wed, Jul 04 2012 10:55:56 GMT
Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE
Opening connection to 10.17.10.67, port 554...
...remote connection opened
Sending request: OPTIONS rtsp://10.17.10.67/ch0_unicast_firststream/ RTSP/1.0
CSeq: 4
User-Agent: ProxyRTSPClient (LIVE555 Streaming Media v2012.05.17)
Received 122 new bytes of response data.
Received a complete OPTIONS response:
RTSP/1.0 200 OK
CSeq: 4
Date: Wed, Jul 04 2012 10:56:48 GMT
Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE
Opening connection to 10.17.10.67, port 554...
...remote connection opened
Sending request: OPTIONS rtsp://10.17.10.67/ch0_unicast_firststream/ RTSP/1.0
CSeq: 5
User-Agent: ProxyRTSPClient (LIVE555 Streaming Media v2012.05.17)
Received 122 new bytes of response data.
Received a complete OPTIONS response:
RTSP/1.0 200 OK
CSeq: 5
Date: Wed, Jul 04 2012 10:57:43 GMT
Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE
Sending request: OPTIONS rtsp://10.17.10.67/ch0_unicast_firststream/ RTSP/1.0
CSeq: 6
User-Agent: ProxyRTSPClient (LIVE555 Streaming Media v2012.05.17)
Received 122 new bytes of response data.
Received a complete OPTIONS response:
RTSP/1.0 200 OK
CSeq: 6
Date: Wed, Jul 04 2012 10:58:23 GMT
Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE
Sending request: OPTIONS rtsp://10.17.10.67/ch0_unicast_firststream/ RTSP/1.0
CSeq: 7
User-Agent: ProxyRTSPClient (LIVE555 Streaming Media v2012.05.17)
Received 122 new bytes of response data.
Received a complete OPTIONS response:
RTSP/1.0 200 OK
CSeq: 7
Date: Wed, Jul 04 2012 10:59:04 GMT
Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE
Sending request: OPTIONS rtsp://10.17.10.67/ch0_unicast_firststream/ RTSP/1.0
CSeq: 8
User-Agent: ProxyRTSPClient (LIVE555 Streaming Media v2012.05.17)
ProxyRTSPClient["rtsp://10.17.10.67/ch0_unicast_firststream/"]: lost connection
to server ('errno': 10057). Resetting...
Opening connection to 10.17.10.67, port 554...
...remote connection opened
Sending request: OPTIONS rtsp://10.17.10.67/ch0_unicast_firststream/ RTSP/1.0
CSeq: 9
User-Agent: ProxyRTSPClient (LIVE555 Streaming Media v2012.05.17)
Received 122 new bytes of response data.
Received a complete OPTIONS response:
RTSP/1.0 200 OK
CSeq: 9
Date: Wed, Jul 04 2012 11:00:29 GMT
Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE
Opening connection to 10.17.10.67, port 554...
...remote connection opened
Sending request: OPTIONS rtsp://10.17.10.67/ch0_unicast_firststream/ RTSP/1.0
CSeq: 10
User-Agent: ProxyRTSPClient (LIVE555 Streaming Media v2012.05.17)
Received 123 new bytes of response data.
Received a complete OPTIONS response:
RTSP/1.0 200 OK
CSeq: 10
Date: Wed, Jul 04 2012 11:01:22 GMT
Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE
Sending request: OPTIONS rtsp://10.17.10.67/ch0_unicast_firststream/ RTSP/1.0
CSeq: 11
User-Agent: ProxyRTSPClient (LIVE555 Streaming Media v2012.05.17)
Received 123 new bytes of response data.
Received a complete OPTIONS response:
RTSP/1.0 200 OK
CSeq: 11
Date: Wed, Jul 04 2012 11:02:05 GMT
Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE
Sending request: OPTIONS rtsp://10.17.10.67/ch0_unicast_firststream/ RTSP/1.0
CSeq: 12
User-Agent: ProxyRTSPClient (LIVE555 Streaming Media v2012.05.17)
Received 123 new bytes of response data.
Received a complete OPTIONS response:
RTSP/1.0 200 OK
CSeq: 12
Date: Wed, Jul 04 2012 11:02:39 GMT
Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE
Sending request: OPTIONS rtsp://10.17.10.67/ch0_unicast_firststream/ RTSP/1.0
CSeq: 13
User-Agent: ProxyRTSPClient (LIVE555 Streaming Media v2012.05.17)
Received 123 new bytes of response data.
Received a complete OPTIONS response:
RTSP/1.0 200 OK
CSeq: 13
Date: Wed, Jul 04 2012 11:03:10 GMT
Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE
Sending request: OPTIONS rtsp://10.17.10.67/ch0_unicast_firststream/ RTSP/1.0
CSeq: 14
User-Agent: ProxyRTSPClient (LIVE555 Streaming Media v2012.05.17)
Received 123 new bytes of response data.
Received a complete OPTIONS response:
RTSP/1.0 200 OK
CSeq: 14
Date: Wed, Jul 04 2012 11:03:46 GMT
Public: OPTIONS, DESCRIBE, SETUP, TEARDOWN, PLAY, PAUSE
等待你的回复。
问候，
索拉布·甘地