我使用的WebRTC + janusgateway + streamCapture建设流媒体服务WebRTC111错误:抛出:DOMException [InternalError该:“无法创建本地没有轨道的报价,没有offerToReceiveAudio /视频,并没有DataChannel
此,启动流媒体视频:
public streamVideo() {
var video = $('#video1').get(0);
var stream;
video.onplay =() => {
if (video.captureStream) {
stream = video.captureStream();
} else if (video.mozCaptureStream) {
stream = video.mozCaptureStream();
} else {
alert('captureStream() not supported');
}
console.log(stream);
$("#secondvideoforll").get(0).srcObject = stream;
this.sfutest.createOffer(
{
media: { audioRecv: 0, videoRecv: 0, audioSend: 1, videoSend: 1}, // Publishers are sendonly
stream: stream,
success: (jsep) => {
Janus.debug("Got publisher SDP!");
Janus.debug(jsep);
var publish = { "request": "configure", "audio": 1, "video": 1 };
this.sfutest.send({"message": publish, "jsep": jsep});
},
error: (error) => {
Janus.error("WebRTC111 error:", error);
}
});
}
}
视频播放完美的作品,但是当我尝试创建的报价(和进一步addStream)我得到这个错误:
WebRTC111 error: DOMException [InternalError: "Cannot create an offer with no local tracks, no offerToReceiveAudio/Video, and no DataChannel."
code: 0
nsresult: 0x0]
同样的报价创建(不带流参数)适用于网络摄像机,但不适用于视频流。
我发现的主要区别是,网络摄像头使用:LocalMediaStream
,而我的streamCapture
使用MediaStream。
对此有何意见?