Webrtc 我能';无法使用同步广播发送多个流

Webrtc 我能';无法使用同步广播发送多个流,webrtc,Webrtc,我正在尝试使用带有=rid概念的同步广播发送多个流 这是我的报价 v=0 o=- 6673733034923282363 2 IN IP4 127.0.0.1 s=- t=0 0 a=group:BUNDLE 0 1 a=extmap-allow-mixed a=msid-semantic: WMS er176UA0yFpVXtt9izW99mIHxiAB7WUDWX6C m=audio 9 UDP/TLS/RTP/SAVPF 111 c=IN IP4 0.0.0.0 a=rtcp:9 IN I

我正在尝试使用带有=rid概念的同步广播发送多个流

这是我的报价

v=0
o=- 6673733034923282363 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE 0 1
a=extmap-allow-mixed
a=msid-semantic: WMS er176UA0yFpVXtt9izW99mIHxiAB7WUDWX6C
m=audio 9 UDP/TLS/RTP/SAVPF 111
c=IN IP4 0.0.0.0
a=rtcp:9 IN IP4 0.0.0.0
a=ice-ufrag:4A2U
a=ice-pwd:F6mJGP2U3pokXhN0oP1/ue6U
a=ice-options:trickle
a=fingerprint:sha-256 7E:3D:B2:62:98:14:BE:52:0D:7D:CE:B5:A2:C8:42:DB:1F:59:DD:7F:7F:06:40:B8:C8:74:5B:86:00:34:D4:47
a=setup:actpass
a=mid:0
a=sendrecv
a=msid:er176UA0yFpVXtt9izW99mIHxiAB7WUDWX6C 1efbfada-074b-4f2b-8edc-bc9f7cec7ced
a=rtcp-mux
a=rtpmap:111 opus/48000/2
a=rtcp-fb:111 transport-cc
a=fmtp:111 minptime=10;useinbandfec=1
m=video 9 UDP/TLS/RTP/SAVPF 96
c=IN IP4 0.0.0.0
a=rtcp:9 IN IP4 0.0.0.0
a=ice-ufrag:4A2U
a=ice-pwd:F6mJGP2U3pokXhN0oP1/ue6U
a=ice-options:trickle
a=fingerprint:sha-256 7E:3D:B2:62:98:14:BE:52:0D:7D:CE:B5:A2:C8:42:DB:1F:59:DD:7F:7F:06:40:B8:C8:74:5B:86:00:34:D4:47
a=setup:actpass
a=mid:1
a=sendrecv
a=msid:er176UA0yFpVXtt9izW99mIHxiAB7WUDWX6C c79a540f-b1f2-4a97-b8b0-9f48ebf2a4c1
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=rid:1 send pt=96;max-width=1280;max-height=720;max-fps=24;depend=2
a=rid:2 send pt=96;max-width=1280;max-height=720;max-fps=12
a=rid:3 send pt=96;max-width=640;max-height=360;max-fps=6
a=rid:4 recv pt=96
a=extmap:1 urn:ietf:params:rtp-hdrext:sdes:mid
a=extmap:2 urn:ietf:params:rtp-hdrext:sdes:RtpStreamId
a=rtcp-fb:* ccm pause nowait
a=simulcast:send 1;2;3 recv 9 
我可以看到三个流的创建使用[chrome://webrtc-internals] 目前有两个流处于活动状态,另一个流处于活动状态,它不发送任何数据包

请任何人帮我解决这个问题