public async Task CaptureMedia(long fromUid, bool r = false)
{
LocalMedia = Media.CreateMedia(); //创建一个Media对象
RTCMediaStreamConstraints mediaStreamConstraints = new RTCMediaStreamConstraints() //设置要获取的流
{
audioEnabled = true,
videoEnabled = true
};
//音频播放
var apd = LocalMedia.GetAudioPlayoutDevices();
if (apd.Count > 0)
{
LocalMedia.SelectAudioPlayoutDevice(apd[0]);
}
if (fromUid == 0)
{
//音频捕获
var acd = LocalMedia.GetAudioCaptureDevices();
if (acd.Count > 0)
{
mediaStreamConstraints.audioEnabled = true;
LocalMedia.SelectAudioCaptureDevice(acd[0]);
}
//视频捕获
var vcd = LocalMedia.GetVideoCaptureDevices();
if (vcd.Count > 0)
{
mediaStreamConstraints.videoEnabled = true;
LocalMedia.SelectVideoDevice(vcd.First(p => p.Location.Panel == Windows.Devices.Enumeration.Panel.Front));//设置视频捕获设备
}
}
var mediaStream = await LocalMedia.GetUserMedia(mediaStreamConstraints);//获取视频流 这里视频和音频是一起传输的
if (fromUid == 0)
{
var videotracs = mediaStream.GetVideoTracks();
if (videotracs.Count > 0)
{
var source = LocalMedia.CreateMediaSource(videotracs.FirstOrDefault(), mediaStream.Id); //创建播放源
LocalMediaPlayer.SetMediaStreamSource(source); //设置MediaElement的播放源
LocalMediaPlayer.Play();
}
await CreatePublisher(mediaStream);
//await CreateServer(mediaStream);
}
else
{
await CreateReceiver(mediaStream, fromUid);
}
}
private void Conn_OnAddStream(MediaStreamEvent __param0)
{
var stream = __param0.Stream;
var videotracks = stream.GetVideoTracks();
//var media = Media.CreateMedia();
//var apd = media.GetAudioPlayoutDevices();
//if (apd.Count > 0)
//{
// media.SelectAudioPlayoutDevice(apd[0]);
//}
var source = LocalMedia.CreateMediaSource(videotracks.FirstOrDefault(), stream.Id);
RemoteMediaPlayer.SetMediaStreamSource(source);
RemoteMediaPlayer.Play();
}
public async Task CreateReceiver(MediaStream mediaStream, long fromUid)
{
var conn = new RTCPeerConnection(RtcConfig);
CurrentRoom.Recvs.Add(fromUid, conn);
CurrentRoom.Recvs[fromUid].AddStream(mediaStream);
CurrentRoom.Recvs[fromUid].OnIceCandidate += async(p) =>
{
var Candidate = p.Candidate;
var m = new SendCadidatModel();
m.candidate = new CandidateModel
{
candidate = Candidate.Candidate,
sdpMlineindex = Candidate.SdpMLineIndex,
sdpMid = Candidate.SdpMid,
};
m.uid = Uid;
m.fromUid = fromUid;
Candidates.Add(m);
await SendCandidate(m);
};
CurrentRoom.Recvs[fromUid].OnAddStream += (p) =>
{
var stream = p.Stream;
var videotracks = stream.GetVideoTracks();
var source = LocalMedia.CreateMediaSource(videotracks.FirstOrDefault(), stream.Id);
RemoteMediaPlayer.SetMediaStreamSource(source);
RemoteMediaPlayer.Play();
};
await CreatOffer(Uid, fromUid);
}