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sdpMid always audio #49
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i want to a video, but the sdpMid always audio,
This is the data of func didGeneratecandidate
"sdpMid" : "audio",
"candidate" : "candidate:3891606813 1 udp 2122260223 169.254.94.211 61276 typ host generation 0 ufrag G2a9 network-id 2 network-cost 10",
"sdpMLineIndex" : 0
the offer sdp:
v=0\r\no=- 5220783989705500141 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\na=group:BUNDLE audio video\r\na=msid-semantic: WMS ARDAMS\r\nm=audio 9 UDP/TLS/RTP/SAVPF 111 103 104 9 102 0 8 106 105 13 110 112 113 126\r\nc=IN IP4 0.0.0.0\r\na=rtcp:9 IN IP4 0.0.0.0\r\na=ice-ufrag:RNlD\r\na=ice-pwd:scAILqINxTuKu5KiPDACpSfV\r\na=ice-options:renomination\r\na=fingerprint:sha-256 3E:75:43:1A:E4:51:1D:E2:1E:2D:80:B7:67:E8:33:8D:41:9A:6C:44:AB:AC:B2:81:2E:F9:E5:CD:DE:24:71:53\r\na=setup:actpass\r\na=mid:audio\r\na=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level\r\na=sendrecv\r\na=rtcp-mux\r\na=rtpmap:111 opus/48000/2\r\na=rtcp-fb:111 transport-cc\r\na=fmtp:111 minptime=10;useinbandfec=1\r\na=rtpmap:103 ISAC/16000\r\na=rtpmap:104 ISAC/32000\r\na=rtpmap:9 G722/8000\r\na=rtpmap:102 ILBC/8000\r\na=rtpmap:0 PCMU/8000\r\na=rtpmap:8 PCMA/8000\r\na=rtpmap:106 CN/32000\r\na=rtpmap:105 CN/16000\r\na=rtpmap:13 CN/8000\r\na=rtpmap:110 telephone-event/48000\r\na=rtpmap:112 telephone-event/32000\r\na=rtpmap:113 telephone-event/16000\r\na=rtpmap:126 telephone-event/8000\r\na=ssrc:5660521 cname:XaAhXxUxCJadUU5B\r\na=ssrc:5660521 msid:ARDAMS ARDAMSa0\r\na=ssrc:5660521 mslabel:ARDAMS\r\na=ssrc:5660521 label:ARDAMSa0\r\nm=video 9 UDP/TLS/RTP/SAVPF 96 98 100 101 97 99 127\r\nc=IN IP4 0.0.0.0\r\na=rtcp:9 IN IP4 0.0.0.0\r\na=ice-ufrag:RNlD\r\na=ice-pwd:scAILqINxTuKu5KiPDACpSfV\r\na=ice-options:renomination\r\na=fingerprint:sha-256 3E:75:43:1A:E4:51:1D:E2:1E:2D:80:B7:67:E8:33:8D:41:9A:6C:44:AB:AC:B2:81:2E:F9:E5:CD:DE:24:71:53\r\na=setup:actpass\r\na=mid:video\r\na=extmap:2 urn:ietf:params:rtp-hdrext:toffset\r\na=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time\r\na=extmap:4 urn:3gpp:video-orientation\r\na=extmap:5 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01\r\na=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay\r\na=sendrecv\r\na=rtcp-mux\r\na=rtcp-rsize\r\na=rtpmap:96 VP8/90000\r\na=rtcp-fb:96 ccm fir\r\na=rtcp-fb:96 nack\r\na=rtcp-fb:96 nack pli\r\na=rtcp-fb:96 goog-remb\r\na=rtcp-fb:96 transport-cc\r\na=rtpmap:98 red/90000\r\na=rtpmap:100 ulpfec/90000\r\na=rtpmap:101 H264/90000\r\na=rtcp-fb:101 ccm fir\r\na=rtcp-fb:101 nack\r\na=rtcp-fb:101 nack pli\r\na=rtcp-fb:101 goog-remb\r\na=rtcp-fb:101 transport-cc\r\na=fmtp:101 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f\r\na=rtpmap:97 rtx/90000\r\na=fmtp:97 apt=96\r\na=rtpmap:99 rtx/90000\r\na=fmtp:99 apt=98\r\na=rtpmap:127 rtx/90000\r\na=fmtp:127 apt=101\r\na=ssrc-group:FID 3718379971 734255266\r\na=ssrc:3718379971 cname:XaAhXxUxCJadUU5B\r\na=ssrc:3718379971 msid:ARDAMS ARDAMSv0\r\na=ssrc:3718379971 mslabel:ARDAMS\r\na=ssrc:3718379971 label:ARDAMSv0\r\na=ssrc:734255266 cname:XaAhXxUxCJadUU5B\r\na=ssrc:734255266 msid:ARDAMS ARDAMSv0\r\na=ssrc:734255266 mslabel:ARDAMS\r\na=ssrc:734255266 label:ARDAMSv0\r\n
the answer sdp:
v=0
o=- 5938170523957912601 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE audio video
a=msid-semantic: WMS ARDAMS
m=audio 9 UDP/TLS/RTP/SAVPF 111 103 9 102 0 8 105 13 110 113 126
c=IN IP4 0.0.0.0
a=rtcp:9 IN IP4 0.0.0.0
a=ice-ufrag:3aRU
a=ice-pwd:jKtV+95KaUoXYdTAiVSX0KVv
a=ice-options:renomination
a=fingerprint:sha-256 0A:21:AA:43:45:8F:92:97:65:8A:B7:A0:58:0D:C7:5A:5E:47:71:2A:48:16:47:C9:1E:08:DE:5E:36:03:CA:BA
a=setup:active
a=mid:audio
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=sendrecv
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:9 G722/8000
a=rtpmap:102 ILBC/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:105 CN/16000
a=rtpmap:13 CN/8000
a=rtpmap:110 telephone-event/48000
a=rtpmap:113 telephone-event/16000
a=rtpmap:126 telephone-event/8000
a=ssrc:1053561163 cname:usTSxmf5+Yz7xbmX
a=ssrc:1053561163 msid:ARDAMS ARDAMSa0
a=ssrc:1053561163 mslabel:ARDAMS
a=ssrc:1053561163 label:ARDAMSa0
m=video 9 UDP/TLS/RTP/SAVPF 96 98 100 101 97 99 127
c=IN IP4 0.0.0.0
a=rtcp:9 IN IP4 0.0.0.0
a=ice-ufrag:3aRU
a=ice-pwd:jKtV+95KaUoXYdTAiVSX0KVv
a=ice-options:renomination
a=fingerprint:sha-256 0A:21:AA:43:45:8F:92:97:65:8A:B7:A0:58:0D:C7:5A:5E:47:71:2A:48:16:47:C9:1E:08:DE:5E:36:03:CA:BA
a=setup:active
a=mid:video
a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:4 urn:3gpp:video-orientation
a=extmap:5 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
a=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
a=sendrecv
a=rtcp-mux
a=rtcp-rsize
a=rtpmap:96 VP8/90000
a=rtcp-fb:96 ccm fir
a=rtcp-fb:96 nack
a=rtcp-fb:96 nack pli
a=rtcp-fb:96 goog-remb
a=rtcp-fb:96 transport-cc
a=rtpmap:98 red/90000
a=rtpmap:100 ulpfec/90000
a=rtpmap:101 H264/90000
a=rtcp-fb:101 ccm fir
a=rtcp-fb:101 nack
a=rtcp-fb:101 nack pli
a=rtcp-fb:101 goog-remb
a=rtcp-fb:101 transport-cc
a=fmtp:101 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
a=rtpmap:97 rtx/90000
a=fmtp:97 apt=96
a=rtpmap:99 rtx/90000
a=fmtp:99 apt=98
a=rtpmap:127 rtx/90000
a=fmtp:127 apt=101
a=ssrc-group:FID 2896193008 3428195317
a=ssrc:2896193008 cname:usTSxmf5+Yz7xbmX
a=ssrc:2896193008 msid:ARDAMS ARDAMSv0
a=ssrc:2896193008 mslabel:ARDAMS
a=ssrc:2896193008 label:ARDAMSv0
a=ssrc:3428195317 cname:usTSxmf5+Yz7xbmX
a=ssrc:3428195317 msid:ARDAMS ARDAMSv0
a=ssrc:3428195317 mslabel:ARDAMS
a=ssrc:3428195317 label:ARDAMSv0
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