<
html >
<
body >
<
script >
var offer=
"v=0\r\no=- 6276735615230473072 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\na=group:BUNDLE video\r\na=msid-semantic:WMS *\r\na=ice-ufrag:XoEUdw==\r\na=ice-pwd:hfNjAs9TU4NNuumB50mGfJwkqIEN8A==\r\na=ice-lite\r\na=setup:actpass\r\na=fingerprint:sha-256 0D:54:F2:D9:F3:10:00:2D:CD:14:C6:AC:CB:5D:E7:34:5E:6F:A8:BF:25:96:48:40:0B:C7:F9:18:6A:A6:73:3F\r\nm=video 9 UDP/TLS/RTP/SAVPF 100\r\nc=IN IP4 0.0.0.0\r\na=rtcp:9 IN IP4 0.0.0.0\r\na=mid:video\r\na=recvonly\r\na=rtcp-rsize\r\na=rtcp-mux\r\na=rtpmap:100 VP8/90000\r\na=rtcp-fb:100 ccm fir\r\na=rtcp-fb:100 nack\r\na=rtcp-fb:100 nack pli\r\na=rtcp-fb:100 goog-remb\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 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id\r\na=rid:hi recv\r\na=rid:mid recv\r\na=rid:lo recv\r\na=simulcast: recv rid=hi,mid,lo\r\na=candidate:1796272311 1 UDP 2130706431 192.168.10.146 55984 typ host\r\na=end-of-candidates\r\n"
var data = {};
data.sdp = offer;
data.type =
"offer" ;
console.log(
'OFFER' , JSON.stringify(data.sdp));
var pc = new RTCPeerConnection();
navigator.mediaDevices.getUserMedia({
video : true, fake: true})
.then((stream) => {
return pc.addStream(stream);
})
.then(() => {
return pc.setRemoteDescription(new RTCSessionDescription(data));
})
.then(function() {
var sender = pc.getSenders()[
0 ];
console.log(
'setting parameters' );
return sender.setParameters({encodings: [
{rid:
"hi" , maxBitrate:
800000 },
{rid:
"mid" , maxBitrate:
400000 , scaleDownResolutionBy:
2 },
{rid:
"lo" , maxBitrate:
150000 , scaleDownResolutionBy:
4 }
]});
})
.then(function() {
return pc.createAnswer();
})
.then(function(answer) {
console.log(
'answer' , JSON.stringify(answer.sdp));
return pc.setLocalDescription(answer);
});
</
script >
</
body >
</
html >
Messung V0.5 in Prozent C=94 H=98 G=95
¤ Dauer der Verarbeitung: 0.27 Sekunden
(vorverarbeitet am 2026-06-10)
¤ *© Formatika GbR, Deutschland
