h5-samples/src/PeerConnectionVideo.jsx 远端视频无内容显示

[luxi78]

浏览器版本： Chrome Version 90.0.4430.212 (Official Build) (64-bit)

浏览器Debug Console内容如下：

[HMR] Waiting for update signal from WDS...
Download the React DevTools for a better development experience: https://fb.me/react-devtools
[WDS] Hot Module Replacement enabled.
[WDS] Live Reloading enabled.
开始呼叫...
使用的视频设备为: 1a7de4ef-2aca-40f3-8a49-6d8a833df14b
使用的音频设备为: 509f204d-7cd9-470b-ac29-2e1082db0ccf
创建本地PeerConnection成功:peerConnA
创建本地PeerConnection成功:peerConnB
将本地流添加到peerConnA里
peerConnA创建提议Offer开始
peerConnA创建Offer返回的SDP信息
v=0
o=- 175225740927001036 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE 0 1
a=extmap-allow-mixed
a=msid-semantic: WMS 94f4adf1-6435-49c7-9ad2-12149ae14eea
m=audio 9 UDP/TLS/RTP/SAVPF 111 103 104 9 0 8 106 105 13 110 112 113 126
c=IN IP4 0.0.0.0
a=rtcp:9 IN IP4 0.0.0.0
a=ice-ufrag:oc5B
a=ice-pwd:7+mw5pAZjY4f9QbBGqoVa3Tv
a=ice-options:trickle
a=fingerprint:sha-256 EC:AA:C1:09:7E:71:AC:4B:A7:56:57:34:37:AE:0E:1C:A6:C6:28:45:59:53:DD:CB:51:E1:45:53:F9:67:2F:56
a=setup:actpass
a=mid:0
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:3 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
a=extmap:4 urn:ietf:params:rtp-hdrext:sdes:mid
a=extmap:5 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id
a=extmap:6 urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id
a=sendrecv
a=msid:94f4adf1-6435-49c7-9ad2-12149ae14eea cafb0ae4-9237-4304-b130-49c9faf423e9
a=rtcp-mux
a=rtpmap:111 opus/48000/2
a=rtcp-fb:111 transport-cc
a=fmtp:111 minptime=10;useinbandfec=1
a=rtpmap:103 ISAC/16000
a=rtpmap:104 ISAC/32000
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:106 CN/32000
a=rtpmap:105 CN/16000
a=rtpmap:13 CN/8000
a=rtpmap:110 telephone-event/48000
a=rtpmap:112 telephone-event/32000
a=rtpmap:113 telephone-event/16000
a=rtpmap:126 telephone-event/8000
a=ssrc:16138089 cname:/b8kA/mUNm3u/pRU
a=ssrc:16138089 msid:94f4adf1-6435-49c7-9ad2-12149ae14eea cafb0ae4-9237-4304-b130-49c9faf423e9
a=ssrc:16138089 mslabel:94f4adf1-6435-49c7-9ad2-12149ae14eea
a=ssrc:16138089 label:cafb0ae4-9237-4304-b130-49c9faf423e9
m=video 9 UDP/TLS/RTP/SAVPF 96 97 98 99 100 101 102 121 127 120 125 107 108 109 35 36 124 119 123 118 114 115 116
c=IN IP4 0.0.0.0
a=rtcp:9 IN IP4 0.0.0.0
a=ice-ufrag:oc5B
a=ice-pwd:7+mw5pAZjY4f9QbBGqoVa3Tv
a=ice-options:trickle
a=fingerprint:sha-256 EC:AA:C1:09:7E:71:AC:4B:A7:56:57:34:37:AE:0E:1C:A6:C6:28:45:59:53:DD:CB:51:E1:45:53:F9:67:2F:56
a=setup:actpass
a=mid:1
a=extmap:14 urn:ietf:params:rtp-hdrext:toffset
a=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:13 urn:3gpp:video-orientation
a=extmap:3 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
a=extmap:12 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
a=extmap:11 http://www.webrtc.org/experiments/rtp-hdrext/video-content-type
a=extmap:7 http://www.webrtc.org/experiments/rtp-hdrext/video-timing
a=extmap:8 http://www.webrtc.org/experiments/rtp-hdrext/color-space
a=extmap:4 urn:ietf:params:rtp-hdrext:sdes:mid
a=extmap:5 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id
a=extmap:6 urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id
a=sendrecv
a=msid:94f4adf1-6435-49c7-9ad2-12149ae14eea 883ee0b4-b0af-4aec-8c52-dd200d7197b6
a=rtcp-mux
a=rtcp-rsize
a=rtpmap:96 VP8/90000
a=rtcp-fb:96 goog-remb
a=rtcp-fb:96 transport-cc
a=rtcp-fb:96 ccm fir
a=rtcp-fb:96 nack
a=rtcp-fb:96 nack pli
a=rtpmap:97 rtx/90000
a=fmtp:97 apt=96
a=rtpmap:98 VP9/90000
a=rtcp-fb:98 goog-remb
a=rtcp-fb:98 transport-cc
a=rtcp-fb:98 ccm fir
a=rtcp-fb:98 nack
a=rtcp-fb:98 nack pli
a=fmtp:98 profile-id=0
a=rtpmap:99 rtx/90000
a=fmtp:99 apt=98
a=rtpmap:100 VP9/90000
a=rtcp-fb:100 goog-remb
a=rtcp-fb:100 transport-cc
a=rtcp-fb:100 ccm fir
a=rtcp-fb:100 nack
a=rtcp-fb:100 nack pli
a=fmtp:100 profile-id=2
a=rtpmap:101 rtx/90000
a=fmtp:101 apt=100
a=rtpmap:102 H264/90000
a=rtcp-fb:102 goog-remb
a=rtcp-fb:102 transport-cc
a=rtcp-fb:102 ccm fir
a=rtcp-fb:102 nack
a=rtcp-fb:102 nack pli
a=fmtp:102 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f
a=rtpmap:121 rtx/90000
a=fmtp:121 apt=102
a=rtpmap:127 H264/90000
a=rtcp-fb:127 goog-remb
a=rtcp-fb:127 transport-cc
a=rtcp-fb:127 ccm fir
a=rtcp-fb:127 nack
a=rtcp-fb:127 nack pli
a=fmtp:127 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42001f
a=rtpmap:120 rtx/90000
a=fmtp:120 apt=127
a=rtpmap:125 H264/90000
a=rtcp-fb:125 goog-remb
a=rtcp-fb:125 transport-cc
a=rtcp-fb:125 ccm fir
a=rtcp-fb:125 nack
a=rtcp-fb:125 nack pli
a=fmtp:125 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
a=rtpmap:107 rtx/90000
a=fmtp:107 apt=125
a=rtpmap:108 H264/90000
a=rtcp-fb:108 goog-remb
a=rtcp-fb:108 transport-cc
a=rtcp-fb:108 ccm fir
a=rtcp-fb:108 nack
a=rtcp-fb:108 nack pli
a=fmtp:108 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42e01f
a=rtpmap:109 rtx/90000
a=fmtp:109 apt=108
a=rtpmap:35 AV1X/90000
a=rtcp-fb:35 goog-remb
a=rtcp-fb:35 transport-cc
a=rtcp-fb:35 ccm fir
a=rtcp-fb:35 nack
a=rtcp-fb:35 nack pli
a=rtpmap:36 rtx/90000
a=fmtp:36 apt=35
a=rtpmap:124 H264/90000
a=rtcp-fb:124 goog-remb
a=rtcp-fb:124 transport-cc
a=rtcp-fb:124 ccm fir
a=rtcp-fb:124 nack
a=rtcp-fb:124 nack pli
a=fmtp:124 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=4d001f
a=rtpmap:119 rtx/90000
a=fmtp:119 apt=124
a=rtpmap:123 H264/90000
a=rtcp-fb:123 goog-remb
a=rtcp-fb:123 transport-cc
a=rtcp-fb:123 ccm fir
a=rtcp-fb:123 nack
a=rtcp-fb:123 nack pli
a=fmtp:123 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=64001f
a=rtpmap:118 rtx/90000
a=fmtp:118 apt=123
a=rtpmap:114 red/90000
a=rtpmap:115 rtx/90000
a=fmtp:115 apt=114
a=rtpmap:116 ulpfec/90000
a=ssrc-group:FID 4081495317 4236187392
a=ssrc:4081495317 cname:/b8kA/mUNm3u/pRU
a=ssrc:4081495317 msid:94f4adf1-6435-49c7-9ad2-12149ae14eea 883ee0b4-b0af-4aec-8c52-dd200d7197b6
a=ssrc:4081495317 mslabel:94f4adf1-6435-49c7-9ad2-12149ae14eea
a=ssrc:4081495317 label:883ee0b4-b0af-4aec-8c52-dd200d7197b6
a=ssrc:4236187392 cname:/b8kA/mUNm3u/pRU
a=ssrc:4236187392 msid:94f4adf1-6435-49c7-9ad2-12149ae14eea 883ee0b4-b0af-4aec-8c52-dd200d7197b6
a=ssrc:4236187392 mslabel:94f4adf1-6435-49c7-9ad2-12149ae14eea
a=ssrc:4236187392 label:883ee0b4-b0af-4aec-8c52-dd200d7197b6
设置peerConnA的本地描述start
peerConnA设置本地描述完成:setLocalDescription
peerConnB开始设置远端描述
peerConnB开始接收远端流
peerConnB设置远端描述完成:setRemoteDescription
peerConnB开始创建应答Answer
peerConnB的应答Answer数据:
v=0
o=- 4523942710503862657 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE 0 1
a=extmap-allow-mixed
a=msid-semantic: WMS
m=audio 9 UDP/TLS/RTP/SAVPF 111 103 104 9 0 8 106 105 13 110 112 113 126
c=IN IP4 0.0.0.0
a=rtcp:9 IN IP4 0.0.0.0
a=ice-ufrag:boMu
a=ice-pwd:Svxxf8HZjVCfZcE0tpjkszig
a=ice-options:trickle
a=fingerprint:sha-256 C7:8F:41:E3:2D:B0:7B:AD:C1:BF:C0:B8:F5:E6:A7:76:E8:98:49:3F:C4:7F:94:03:F1:92:48:78:7F:92:E6:B6
a=setup:active
a=mid:0
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:3 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
a=extmap:4 urn:ietf:params:rtp-hdrext:sdes:mid
a=extmap:5 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id
a=extmap:6 urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id
a=recvonly
a=rtcp-mux
a=rtpmap:111 opus/48000/2
a=rtcp-fb:111 transport-cc
a=fmtp:111 minptime=10;useinbandfec=1
a=rtpmap:103 ISAC/16000
a=rtpmap:104 ISAC/32000
a=rtpmap:9 G722/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:106 CN/32000
a=rtpmap:105 CN/16000
a=rtpmap:13 CN/8000
a=rtpmap:110 telephone-event/48000
a=rtpmap:112 telephone-event/32000
a=rtpmap:113 telephone-event/16000
a=rtpmap:126 telephone-event/8000
m=video 9 UDP/TLS/RTP/SAVPF 96 97 98 99 100 101 102 121 127 120 125 107 108 109 35 36 124 119 123 118 114 115 116
c=IN IP4 0.0.0.0
a=rtcp:9 IN IP4 0.0.0.0
a=ice-ufrag:boMu
a=ice-pwd:Svxxf8HZjVCfZcE0tpjkszig
a=ice-options:trickle
a=fingerprint:sha-256 C7:8F:41:E3:2D:B0:7B:AD:C1:BF:C0:B8:F5:E6:A7:76:E8:98:49:3F:C4:7F:94:03:F1:92:48:78:7F:92:E6:B6
a=setup:active
a=mid:1
a=extmap:14 urn:ietf:params:rtp-hdrext:toffset
a=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:13 urn:3gpp:video-orientation
a=extmap:3 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
a=extmap:12 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
a=extmap:11 http://www.webrtc.org/experiments/rtp-hdrext/video-content-type
a=extmap:7 http://www.webrtc.org/experiments/rtp-hdrext/video-timing
a=extmap:8 http://www.webrtc.org/experiments/rtp-hdrext/color-space
a=extmap:4 urn:ietf:params:rtp-hdrext:sdes:mid
a=extmap:5 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id
a=extmap:6 urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id
a=recvonly
a=rtcp-mux
a=rtcp-rsize
a=rtpmap:96 VP8/90000
a=rtcp-fb:96 goog-remb
a=rtcp-fb:96 transport-cc
a=rtcp-fb:96 ccm fir
a=rtcp-fb:96 nack
a=rtcp-fb:96 nack pli
a=rtpmap:97 rtx/90000
a=fmtp:97 apt=96
a=rtpmap:98 VP9/90000
a=rtcp-fb:98 goog-remb
a=rtcp-fb:98 transport-cc
a=rtcp-fb:98 ccm fir
a=rtcp-fb:98 nack
a=rtcp-fb:98 nack pli
a=fmtp:98 profile-id=0
a=rtpmap:99 rtx/90000
a=fmtp:99 apt=98
a=rtpmap:100 VP9/90000
a=rtcp-fb:100 goog-remb
a=rtcp-fb:100 transport-cc
a=rtcp-fb:100 ccm fir
a=rtcp-fb:100 nack
a=rtcp-fb:100 nack pli
a=fmtp:100 profile-id=2
a=rtpmap:101 rtx/90000
a=fmtp:101 apt=100
a=rtpmap:102 H264/90000
a=rtcp-fb:102 goog-remb
a=rtcp-fb:102 transport-cc
a=rtcp-fb:102 ccm fir
a=rtcp-fb:102 nack
a=rtcp-fb:102 nack pli
a=fmtp:102 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f
a=rtpmap:121 rtx/90000
a=fmtp:121 apt=102
a=rtpmap:127 H264/90000
a=rtcp-fb:127 goog-remb
a=rtcp-fb:127 transport-cc
a=rtcp-fb:127 ccm fir
a=rtcp-fb:127 nack
a=rtcp-fb:127 nack pli
a=fmtp:127 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42001f
a=rtpmap:120 rtx/90000
a=fmtp:120 apt=127
a=rtpmap:125 H264/90000
a=rtcp-fb:125 goog-remb
a=rtcp-fb:125 transport-cc
a=rtcp-fb:125 ccm fir
a=rtcp-fb:125 nack
a=rtcp-fb:125 nack pli
a=fmtp:125 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
a=rtpmap:107 rtx/90000
a=fmtp:107 apt=125
a=rtpmap:108 H264/90000
a=rtcp-fb:108 goog-remb
a=rtcp-fb:108 transport-cc
a=rtcp-fb:108 ccm fir
a=rtcp-fb:108 nack
a=rtcp-fb:108 nack pli
a=fmtp:108 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42e01f
a=rtpmap:109 rtx/90000
a=fmtp:109 apt=108
a=rtpmap:35 AV1X/90000
a=rtcp-fb:35 goog-remb
a=rtcp-fb:35 transport-cc
a=rtcp-fb:35 ccm fir
a=rtcp-fb:35 nack
a=rtcp-fb:35 nack pli
a=rtpmap:36 rtx/90000
a=fmtp:36 apt=35
a=rtpmap:124 H264/90000
a=rtcp-fb:124 goog-remb
a=rtcp-fb:124 transport-cc
a=rtcp-fb:124 ccm fir
a=rtcp-fb:124 nack
a=rtcp-fb:124 nack pli
a=fmtp:124 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=4d0015
a=rtpmap:119 rtx/90000
a=fmtp:119 apt=124
a=rtpmap:123 H264/90000
a=rtcp-fb:123 goog-remb
a=rtcp-fb:123 transport-cc
a=rtcp-fb:123 ccm fir
a=rtcp-fb:123 nack
a=rtcp-fb:123 nack pli
a=fmtp:123 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640015
a=rtpmap:118 rtx/90000
a=fmtp:118 apt=123
a=rtpmap:114 red/90000
a=rtpmap:115 rtx/90000
a=fmtp:115 apt=114
a=rtpmap:116 ulpfec/90000
peerConnB设置本地描述开始:setLocalDescription
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:309703859 1 udp 2122260223 172.17.240.1 53977 typ host generation 0 ufrag oc5B network-id 1
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:3341751272 1 udp 2122194687 172.24.4.12 53978 typ host generation 0 ufrag oc5B network-id 2
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:3615179272 1 udp 2122129151 172.20.16.1 53979 typ host generation 0 ufrag oc5B network-id 3
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:2607571970 1 udp 2122063615 172.23.160.1 53980 typ host generation 0 ufrag oc5B network-id 4
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:2010556268 1 udp 2121998079 172.29.32.1 53981 typ host generation 0 ufrag oc5B network-id 5
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:309703859 1 udp 2122260223 172.17.240.1 53982 typ host generation 0 ufrag oc5B network-id 1
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:3341751272 1 udp 2122194687 172.24.4.12 53983 typ host generation 0 ufrag oc5B network-id 2
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:3615179272 1 udp 2122129151 172.20.16.1 53984 typ host generation 0 ufrag oc5B network-id 3
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:2607571970 1 udp 2122063615 172.23.160.1 53985 typ host generation 0 ufrag oc5B network-id 4
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:2010556268 1 udp 2121998079 172.29.32.1 53986 typ host generation 0 ufrag oc5B network-id 5
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:1559644227 1 tcp 1518280447 172.17.240.1 9 typ host tcptype active generation 0 ufrag oc5B network-id 1
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:2309811992 1 tcp 1518214911 172.24.4.12 9 typ host tcptype active generation 0 ufrag oc5B network-id 2
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:2583215864 1 tcp 1518149375 172.20.16.1 9 typ host tcptype active generation 0 ufrag oc5B network-id 3
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:3589249266 1 tcp 1518083839 172.23.160.1 9 typ host tcptype active generation 0 ufrag oc5B network-id 4
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:961895324 1 tcp 1518018303 172.29.32.1 9 typ host tcptype active generation 0 ufrag oc5B network-id 5
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:1559644227 1 tcp 1518280447 172.17.240.1 9 typ host tcptype active generation 0 ufrag oc5B network-id 1
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:2309811992 1 tcp 1518214911 172.24.4.12 9 typ host tcptype active generation 0 ufrag oc5B network-id 2
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:2583215864 1 tcp 1518149375 172.20.16.1 9 typ host tcptype active generation 0 ufrag oc5B network-id 3
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:3589249266 1 tcp 1518083839 172.23.160.1 9 typ host tcptype active generation 0 ufrag oc5B network-id 4
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:961895324 1 tcp 1518018303 172.29.32.1 9 typ host tcptype active generation 0 ufrag oc5B network-id 5
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:1852873789 1 udp 1685987071 193.123.249.52 44672 typ srflx raddr 172.24.4.12 rport 53978 generation 0 ufrag oc5B network-id 2
peerConnB添加IceCandidate成功
IceCandidate数据:
candidate:1852873789 1 udp 1685987071 193.123.249.52 40203 typ srflx raddr 172.24.4.12 rport 53983 generation 0 ufrag oc5B network-id 2
peerConnB设置本地描述完成:setLocalDescription
peerConnA设置远端描述开始:setRemoteDescription
peerConnB连接的ICE状态: checking
ICE状态改变事件:  Event {isTrusted: true, type: 'iceconnectionstatechange', target: RTCPeerConnection, currentTarget: RTCPeerConnection, eventPhase: 2, …}
peerConnA连接的ICE状态: checking
ICE状态改变事件:  Event {isTrusted: true, type: 'iceconnectionstatechange', target: RTCPeerConnection, currentTarget: RTCPeerConnection, eventPhase: 2, …}
peerConnB连接的ICE状态: connected
ICE状态改变事件:  Event {isTrusted: true, type: 'iceconnectionstatechange', target: RTCPeerConnection, currentTarget: RTCPeerConnection, eventPhase: 2, …}
peerConnA设置远端描述完成:setRemoteDescription
IceCandidate数据:
(null)
peerConnA添加IceCandidate成功
IceCandidate数据:
candidate:309703859 1 udp 2122260223 172.17.240.1 53988 typ host generation 0 ufrag boMu network-id 1
peerConnA连接的ICE状态: connected
ICE状态改变事件:  Event {isTrusted: true, type: 'iceconnectionstatechange', target: RTCPeerConnection, currentTarget: RTCPeerConnection, eventPhase: 2, …}
peerConnA添加IceCandidate成功
IceCandidate数据:
candidate:3341751272 1 udp 2122194687 172.24.4.12 53989 typ host generation 0 ufrag boMu network-id 2
peerConnA添加IceCandidate成功
IceCandidate数据:
candidate:3615179272 1 udp 2122129151 172.20.16.1 53990 typ host generation 0 ufrag boMu network-id 3
peerConnA添加IceCandidate成功
IceCandidate数据:
candidate:2607571970 1 udp 2122063615 172.23.160.1 53991 typ host generation 0 ufrag boMu network-id 4
peerConnA添加IceCandidate成功
IceCandidate数据:
candidate:2010556268 1 udp 2121998079 172.29.32.1 53992 typ host generation 0 ufrag boMu network-id 5
IceCandidate数据:
(null)