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结论mid 就是4,是对的,音频是30,视频是31,大小1个字节?
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twcc 是错误的,包里是1,但是实际上协商的是3
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改回了mia的webrtcconn:chrome的收发sdp
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去掉了异步的线程调用,sdp的生成正常了:
offer
"v=0
o=- 7822411752768166605 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 63 103 104 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:rjur
a=ice-pwd:VMKtmxQkClFerjrbAIujPxCm
a=ice-options:trickle
a=fingerprint:sha-256 AC:AC:1F:4B:2B:85:9F:01:8C:5D:84:28:B8:24:A6:C5:6A:FD:4C:45:0D:4C:B5:39:58:4B:37:DD:D7:A3:F5:8D
a=setup:actpass
a=mi