Ejemplo n.º 1
0
        private static RTCPeerConnection CreatePeerConnection()
        {
            RTCConfiguration config = new RTCConfiguration
            {
                iceServers = new List <RTCIceServer> {
                    new RTCIceServer {
                        urls = STUN_URL
                    }
                }
            };
            var pc = new RTCPeerConnection(config);

            var testPatternSource = new VideoTestPatternSource();
            WindowsVideoEndPoint windowsVideoEndPoint = new WindowsVideoEndPoint(true);

            MediaStreamTrack track = new MediaStreamTrack(windowsVideoEndPoint.GetVideoSourceFormats(), MediaStreamStatusEnum.SendOnly);

            pc.addTrack(track);

            testPatternSource.OnVideoSourceRawSample        += windowsVideoEndPoint.ExternalVideoSourceRawSample;
            windowsVideoEndPoint.OnVideoSourceEncodedSample += pc.SendVideo;
            pc.OnVideoFormatsNegotiated += (sdpFormat) =>
                                           windowsVideoEndPoint.SetVideoSourceFormat(SDPMediaFormatInfo.GetVideoCodecForSdpFormat(sdpFormat.First().FormatCodec));

            pc.onconnectionstatechange += async(state) =>
            {
                logger.LogDebug($"Peer connection state change to {state}.");

                if (state == RTCPeerConnectionState.failed)
                {
                    pc.Close("ice disconnection");
                }
                else if (state == RTCPeerConnectionState.closed)
                {
                    await testPatternSource.CloseVideo();

                    await windowsVideoEndPoint.CloseVideo();
                }
                else if (state == RTCPeerConnectionState.connected)
                {
                    await windowsVideoEndPoint.StartVideo();

                    await testPatternSource.StartVideo();
                }
            };

            // Diagnostics.
            pc.OnReceiveReport += (re, media, rr) => logger.LogDebug($"RTCP Receive for {media} from {re}\n{rr.GetDebugSummary()}");
            pc.OnSendReport    += (media, sr) => logger.LogDebug($"RTCP Send for {media}\n{sr.GetDebugSummary()}");
            pc.GetRtpChannel().OnStunMessageReceived += (msg, ep, isRelay) => logger.LogDebug($"STUN {msg.Header.MessageType} received from {ep}.");
            pc.oniceconnectionstatechange += (state) => logger.LogDebug($"ICE connection state change to {state}.");

            return(pc);
        }
Ejemplo n.º 2
0
        private WebCam()
        {
            _video_end_point = new WindowsVideoEndPoint(new VpxVideoEncoder(), WebCamName);
            //WindowsVideoEndPoint winVideoEP = new WindowsVideoEndPoint(new FFmpegVideoEncoder(), WEBCAM_NAME);
            //WindowsVideoEndPoint winVideoEP = new WindowsVideoEndPoint(WEBCAM_NAME, 1920, 1080, 30);
            //winVideoEP.RestrictFormats(x => x.Codec == SIPSorceryMedia.Abstractions.V1.VideoCodecsEnum.H264);
            bool initResult = _video_end_point.InitialiseVideoSourceDevice().Result;

            if (!initResult)
            {
                throw new ApplicationException("Could not initialise video capture device.");
            }
        }
Ejemplo n.º 3
0
        /// <summary>
        /// Creates the media session to use with the SIP call.
        /// </summary>
        /// <param name="audioSrcOpts">The audio source options to set when the call is first
        /// answered. These options can be adjusted afterwards to do things like put play
        /// on hold music etc.</param>
        /// <returns>A new media session object.</returns>
        private VoIPMediaSession CreateMediaSession()
        {
            var windowsAudioEndPoint = new WindowsAudioEndPoint(new AudioEncoder(), m_audioOutDeviceIndex);
            var windowsVideoEndPoint = new WindowsVideoEndPoint();

            MediaEndPoints mediaEndPoints = new MediaEndPoints
            {
                AudioSink   = windowsAudioEndPoint,
                AudioSource = windowsAudioEndPoint,
                VideoSink   = windowsVideoEndPoint,
                VideoSource = windowsVideoEndPoint,
            };

            var voipMediaSession = new VoIPMediaSession(mediaEndPoints);

            voipMediaSession.AcceptRtpFromAny = true;

            return(voipMediaSession);
        }
Ejemplo n.º 4
0
        private static RTCPeerConnection CreatePeerConnection()
        {
            var peerConnection = new RTCPeerConnection(null);

            var testPatternSource = new VideoTestPatternSource();
            WindowsVideoEndPoint windowsVideoEndPoint = new WindowsVideoEndPoint(new VpxVideoEncoder());

            MediaStreamTrack track = new MediaStreamTrack(windowsVideoEndPoint.GetVideoSourceFormats(), MediaStreamStatusEnum.SendOnly);

            peerConnection.addTrack(track);

            testPatternSource.OnVideoSourceRawSample        += windowsVideoEndPoint.ExternalVideoSourceRawSample;
            windowsVideoEndPoint.OnVideoSourceEncodedSample += peerConnection.SendVideo;

            peerConnection.oniceconnectionstatechange += (state) => logger.LogDebug($"ICE connection state change {state}.");
            peerConnection.OnReceiveReport            += RtpSession_OnReceiveReport;
            peerConnection.OnSendReport            += RtpSession_OnSendReport;
            peerConnection.OnTimeout               += (mediaType) => logger.LogWarning($"Timeout on {mediaType}.");
            peerConnection.onconnectionstatechange += async(state) =>
            {
                logger.LogDebug($"Peer connection state changed to {state}.");

                if (state == RTCPeerConnectionState.closed)
                {
                    peerConnection.OnReceiveReport -= RtpSession_OnReceiveReport;
                    peerConnection.OnSendReport    -= RtpSession_OnSendReport;

                    await windowsVideoEndPoint.CloseVideo();

                    await testPatternSource.CloseVideo();
                }
                else if (state == RTCPeerConnectionState.connected)
                {
                    await testPatternSource.StartVideo();

                    await windowsVideoEndPoint.StartVideo();
                }
            };

            return(peerConnection);
        }
Ejemplo n.º 5
0
        /// <summary>
        /// Creates the media session to use with the SIP call.
        /// </summary>
        /// <param name="audioSrcOpts">The audio source options to set when the call is first
        /// answered. These options can be adjusted afterwards to do things like put play
        /// on hold music etc.</param>
        /// <returns>A new media session object.</returns>
        private VoIPMediaSession CreateMediaSession()
        {
            var windowsAudioEndPoint = new WindowsAudioEndPoint(new AudioEncoder(), m_audioOutDeviceIndex);
            var windowsVideoEndPoint = new WindowsVideoEndPoint();

            MediaEndPoints mediaEndPoints = new MediaEndPoints
            {
                AudioSink   = windowsAudioEndPoint,
                AudioSource = windowsAudioEndPoint,
                VideoSink   = windowsVideoEndPoint,
                VideoSource = windowsVideoEndPoint,
            };

            // Fallback video source if a Windows webcam cannot be accessed.
            var testPatternSource = new VideoTestPatternSource(new VideoEncoder());

            var voipMediaSession = new VoIPMediaSession(mediaEndPoints, testPatternSource);

            // voipMediaSession.OnRtpPacketReceived += OnRtpPacketReceived;
            return(voipMediaSession);
        }
Ejemplo n.º 6
0
        static async Task Main()
        {
            Console.WriteLine("SIPSorcery Getting Started Video Call Demo");
            Console.WriteLine("Press ctrl-c to exit.");

            Log = AddConsoleLogger();
            ManualResetEvent exitMRE = new ManualResetEvent(false);

            _sipTransport = new SIPTransport();

            EnableTraceLogs(_sipTransport);

            // Open a window to display the video feed from the remote SIP party.
            _form          = new Form();
            _form.AutoSize = true;
            _form.BackgroundImageLayout = ImageLayout.Center;
            _localVideoPicBox           = new PictureBox
            {
                Size     = new Size(VIDEO_FRAME_WIDTH, VIDEO_FRAME_HEIGHT),
                Location = new Point(0, 0),
                Visible  = true
            };
            _remoteVideoPicBox = new PictureBox
            {
                Size     = new Size(VIDEO_FRAME_WIDTH, VIDEO_FRAME_HEIGHT),
                Location = new Point(0, VIDEO_FRAME_HEIGHT),
                Visible  = true
            };
            _form.Controls.Add(_localVideoPicBox);
            _form.Controls.Add(_remoteVideoPicBox);

            Application.EnableVisualStyles();
            ThreadPool.QueueUserWorkItem(delegate { Application.Run(_form); });

            ManualResetEvent formMre = new ManualResetEvent(false);

            _form.Activated += (object sender, EventArgs e) => formMre.Set();

            Console.WriteLine("Waiting for form activation.");
            formMre.WaitOne();

            _sipTransport.SIPTransportRequestReceived += OnSIPTransportRequestReceived;

            string executableDir = Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);

            var userAgent = new SIPUserAgent(_sipTransport, null, true);

            userAgent.OnCallHungup += (dialog) => exitMRE.Set();
            var windowsAudioEndPoint = new WindowsAudioEndPoint(new AudioEncoder());

            windowsAudioEndPoint.RestrictFormats(format => format.Codec == AudioCodecsEnum.PCMU);
            var windowsVideoEndPoint = new WindowsVideoEndPoint(new VpxVideoEncoder());

            // Fallback to a test pattern source if accessing the Windows webcam fails.
            var testPattern = new VideoTestPatternSource(new VpxVideoEncoder());

            MediaEndPoints mediaEndPoints = new MediaEndPoints
            {
                AudioSink   = windowsAudioEndPoint,
                AudioSource = windowsAudioEndPoint,
                VideoSink   = windowsVideoEndPoint,
                VideoSource = windowsVideoEndPoint,
            };

            var voipMediaSession = new VoIPMediaSession(mediaEndPoints, testPattern);

            voipMediaSession.AcceptRtpFromAny = true;

            windowsVideoEndPoint.OnVideoSourceRawSample += (uint durationMilliseconds, int width, int height, byte[] sample, VideoPixelFormatsEnum pixelFormat) =>
            {
                _form?.BeginInvoke(new Action(() =>
                {
                    unsafe
                    {
                        fixed(byte *s = sample)
                        {
                            System.Drawing.Bitmap bmpImage = new System.Drawing.Bitmap(width, height, width * 3, System.Drawing.Imaging.PixelFormat.Format24bppRgb, (IntPtr)s);
                            _localVideoPicBox.Image        = bmpImage;
                        }
                    }
                }));
            };

            Console.WriteLine("Starting local video source...");
            await windowsVideoEndPoint.StartVideo().ConfigureAwait(false);

            // Place the call and wait for the result.
            Task <bool> callTask = userAgent.Call(DESTINATION, null, null, voipMediaSession);

            callTask.Wait(CALL_TIMEOUT_SECONDS * 1000);

            if (callTask.Result)
            {
                Log.LogInformation("Call attempt successful.");
                windowsVideoEndPoint.OnVideoSinkDecodedSample += (byte[] bmp, uint width, uint height, int stride, VideoPixelFormatsEnum pixelFormat) =>
                {
                    _form?.BeginInvoke(new Action(() =>
                    {
                        unsafe
                        {
                            fixed(byte *s = bmp)
                            {
                                System.Drawing.Bitmap bmpImage = new System.Drawing.Bitmap((int)width, (int)height, stride, System.Drawing.Imaging.PixelFormat.Format24bppRgb, (IntPtr)s);
                                _remoteVideoPicBox.Image       = bmpImage;
                            }
                        }
                    }));
                };

                windowsAudioEndPoint.PauseAudio().Wait();
                voipMediaSession.AudioExtrasSource.SetSource(AudioSourcesEnum.Music);
            }
            else
            {
                Log.LogWarning("Call attempt failed.");
                Console.WriteLine("Press ctrl-c to exit.");
            }

            Console.CancelKeyPress += delegate(object sender, ConsoleCancelEventArgs e)
            {
                e.Cancel = true;
                Log.LogInformation("Exiting...");
                exitMRE.Set();
            };
            exitMRE.WaitOne();

            if (userAgent.IsCallActive)
            {
                Log.LogInformation("Hanging up.");
                userAgent.Hangup();

                Task.Delay(1000).Wait();
            }

            // Clean up.
            _form.BeginInvoke(new Action(() => _form.Close()));
            _sipTransport.Shutdown();
        }
Ejemplo n.º 7
0
        static async Task Main(string[] args)
        {
            Console.WriteLine("SIPSorcery Video Phone Command Line Demo");
            Console.WriteLine("Press ctrl-c to exit.");

            Log = AddConsoleLogger();
            ManualResetEvent exitMRE        = new ManualResetEvent(false);
            ManualResetEvent waitForCallMre = new ManualResetEvent(false);

            var parseResult = Parser.Default.ParseArguments <Options>(args);

            _options = (parseResult as Parsed <Options>)?.Value;

            if (parseResult.Tag != ParserResultType.NotParsed)
            {
                if (_options.ListCameras)
                {
                    #region List webcams.

                    var webcams = await WindowsVideoEndPoint.GetVideoCatpureDevices();

                    if (webcams == null || webcams.Count == 0)
                    {
                        Console.WriteLine("No webcams were found.");
                    }
                    else
                    {
                        var index = 0;
                        foreach (var webcam in webcams)
                        {
                            Console.WriteLine($"{index}: \"{webcam.Name}\", use --cam={index}.");
                            index++;
                        }
                    }

                    #endregion
                }
                else if (_options.ListFormats != null)
                {
                    #region List webcam formats.

                    var webcams = await WindowsVideoEndPoint.GetVideoCatpureDevices();

                    if (webcams == null || webcams.Count == 0)
                    {
                        Console.WriteLine("No webcams were found.");
                    }
                    else if (_options.ListFormats >= webcams.Count)
                    {
                        Console.WriteLine($"No webcam available for index {_options.ListFormats}.");
                    }
                    else
                    {
                        string webcamName = webcams[_options.ListFormats.Value].Name;
                        var    formats    = await WindowsVideoEndPoint.GetDeviceFrameFormats(webcamName);

                        Console.WriteLine($"Video frame formats for {webcamName}.");
                        foreach (var vidFmt in formats)
                        {
                            float  vidFps = vidFmt.MediaFrameFormat.FrameRate.Numerator / vidFmt.MediaFrameFormat.FrameRate.Denominator;
                            string pixFmt = vidFmt.MediaFrameFormat.Subtype == WindowsVideoEndPoint.MF_I420_PIXEL_FORMAT ? "I420" : vidFmt.MediaFrameFormat.Subtype;
                            Console.WriteLine($"{vidFmt.Width}x{vidFmt.Height} {vidFps:0.##}fps {pixFmt}");
                        }
                    }

                    #endregion
                }
                else
                {
                    string webcamName = null;

                    if (_options.WebcamIndex != null)
                    {
                        var webcams = await WindowsVideoEndPoint.GetVideoCatpureDevices();

                        if (webcams == null || webcams.Count == 0)
                        {
                            Console.WriteLine("No webcams were found.");
                            Application.Exit();
                        }
                        else if (webcams.Count < _options.WebcamIndex)
                        {
                            Console.WriteLine($"No webcam available for index {_options.WebcamIndex}.");
                            Application.Exit();
                        }
                        else
                        {
                            webcamName = webcams[_options.WebcamIndex.Value].Name;
                            Console.WriteLine($"Using webcam {webcamName}.");
                        }
                    }

                    _sipTransport = new SIPTransport();

                    if (string.IsNullOrEmpty(_options.CallDestination))
                    {
                        // We haven't been asked to place a call so we're listening.
                        IPAddress listenAddress  = (System.Net.Sockets.Socket.OSSupportsIPv6) ? IPAddress.IPv6Any : IPAddress.Any;
                        var       listenEndPoint = new IPEndPoint(listenAddress, SIP_PORT_DEFAULT);

                        try
                        {
                            SIPUDPChannel udpChannel = new SIPUDPChannel(listenEndPoint, true);
                            _sipTransport.AddSIPChannel(udpChannel);
                        }
                        catch (ApplicationException appExcp)
                        {
                            Console.WriteLine($"Failed to create UDP SIP channel on {listenEndPoint}, error {appExcp.Message}.");
                            SIPUDPChannel udpChannel = new SIPUDPChannel(new IPEndPoint(listenAddress, 0), true);
                            _sipTransport.AddSIPChannel(udpChannel);
                        }

                        var listeningEP = _sipTransport.GetSIPChannels().First().ListeningSIPEndPoint;
                        Console.WriteLine($"Listening for incoming call on {listeningEP}.");
                    }

                    EnableTraceLogs(_sipTransport);

                    // Open a window to display the video feed from the remote SIP party.
                    _form          = new Form();
                    _form.Text     = string.IsNullOrEmpty(_options.CallDestination) ? "Listener" : "Caller";
                    _form.AutoSize = true;
                    _form.BackgroundImageLayout = ImageLayout.Center;
                    _localVideoPicBox           = new PictureBox
                    {
                        Size     = new Size(VIDEO_FRAME_WIDTH, VIDEO_FRAME_HEIGHT),
                        Location = new Point(0, 0),
                        Visible  = true
                    };
                    _remoteVideoPicBox = new PictureBox
                    {
                        Size     = new Size(VIDEO_FRAME_WIDTH, VIDEO_FRAME_HEIGHT),
                        Location = new Point(0, VIDEO_FRAME_HEIGHT),
                        Visible  = true
                    };
                    _form.Controls.Add(_localVideoPicBox);
                    _form.Controls.Add(_remoteVideoPicBox);

                    var userAgent = new SIPUserAgent(_sipTransport, null, true);
                    userAgent.OnCallHungup += (dialog) => exitMRE.Set();

                    WindowsAudioEndPoint windowsAudioEndPoint = null;
                    if (!_options.NoAudio)
                    {
                        windowsAudioEndPoint = new WindowsAudioEndPoint(new AudioEncoder());
                        windowsAudioEndPoint.RestrictFormats(x => x.Codec == AudioCodecsEnum.G722);
                    }

                    MediaEndPoints mediaEndPoints = null;

                    if (_options.TestPattern && _options.WebcamIndex == null)
                    {
                        var testPattern = new VideoTestPatternSource(new FFmpegVideoEncoder());
                        var decoderSink = new DecoderVideoSink(new FFmpegVideoEncoder());
                        //var decoderSink = new DecoderVideoSink(new VpxVideoEncoder());

                        testPattern.RestrictFormats(format => format.Codec == VIDEO_CODEC);
                        decoderSink.RestrictFormats(format => format.Codec == VIDEO_CODEC);

                        mediaEndPoints = new MediaEndPoints
                        {
                            AudioSink   = windowsAudioEndPoint,
                            AudioSource = windowsAudioEndPoint,
                            VideoSink   = decoderSink,
                            VideoSource = testPattern,
                        };
                    }
                    else
                    {
                        WindowsVideoEndPoint windowsVideoEndPoint = webcamName switch
                        {
                            null => new WindowsVideoEndPoint(new FFmpegVideoEncoder()),
                            _ => new WindowsVideoEndPoint(new FFmpegVideoEncoder(), webcamName),
                        };
                        windowsVideoEndPoint.RestrictFormats(format => format.Codec == VIDEO_CODEC);

                        mediaEndPoints = new MediaEndPoints
                        {
                            AudioSink   = windowsAudioEndPoint,
                            AudioSource = windowsAudioEndPoint,
                            VideoSink   = windowsVideoEndPoint,
                            VideoSource = windowsVideoEndPoint,
                        };
                    }

                    mediaEndPoints.VideoSource.OnVideoSourceRawSample += (uint durationMilliseconds, int width, int height, byte[] sample, VideoPixelFormatsEnum pixelFormat) =>
                    {
                        if (_isFormActivated)
                        {
                            _form?.BeginInvoke(new Action(() =>
                            {
                                if (_form.Handle != IntPtr.Zero)
                                {
                                    int stride = width * 3;
                                    if (pixelFormat == VideoPixelFormatsEnum.I420)
                                    {
                                        sample = PixelConverter.I420toBGR(sample, width, height, out stride);
                                    }

                                    if (_localVideoPicBox.Width != width || _localVideoPicBox.Height != height)
                                    {
                                        Log.LogDebug($"Adjusting local video display from {_localVideoPicBox.Width}x{_localVideoPicBox.Height} to {width}x{height}.");
                                        _localVideoPicBox.Width  = width;
                                        _localVideoPicBox.Height = height;
                                    }

                                    unsafe
                                    {
                                        fixed(byte *s = sample)
                                        {
                                            System.Drawing.Bitmap bmpImage = new System.Drawing.Bitmap(width, height, stride, System.Drawing.Imaging.PixelFormat.Format24bppRgb, (IntPtr)s);
                                            _localVideoPicBox.Image        = bmpImage;
                                        }
                                    }
                                }
                            }));
                        }
                    };

                    Console.CancelKeyPress += delegate(object sender, ConsoleCancelEventArgs e)
                    {
                        e.Cancel = true;
                        Log.LogInformation("Exiting...");
                        waitForCallMre.Set();
                        exitMRE.Set();
                    };

                    if (string.IsNullOrEmpty(_options.CallDestination))
                    {
                        ActivateForm();

                        userAgent.OnIncomingCall += async(ua, req) =>
                        {
                            var voipMediaSession = new VoIPMediaSession(mediaEndPoints);
                            voipMediaSession.AcceptRtpFromAny = true;
                            if (voipMediaSession.VideoLocalTrack != null)
                            {
                                voipMediaSession.VideoLocalTrack.MaximumBandwidth = MAXIMUM_VIDEO_BANDWIDTH;
                            }

                            var uas = userAgent.AcceptCall(req);
                            await userAgent.Answer(uas, voipMediaSession);

                            Console.WriteLine("Starting local video source...");
                            await mediaEndPoints.VideoSource.StartVideo().ConfigureAwait(false);

                            waitForCallMre.Set();
                        };

                        Console.WriteLine("Waiting for incoming call...");
                        waitForCallMre.WaitOne();
                    }
                    else
                    {
                        var voipMediaSession = new VoIPMediaSession(mediaEndPoints);
                        voipMediaSession.AcceptRtpFromAny = true;
                        if (voipMediaSession.VideoLocalTrack != null)
                        {
                            voipMediaSession.VideoLocalTrack.MaximumBandwidth = MAXIMUM_VIDEO_BANDWIDTH;
                        }

                        ActivateForm();

                        Console.WriteLine("Starting local video source...");
                        await mediaEndPoints.VideoSource.StartVideo().ConfigureAwait(false);

                        // Place the call and wait for the result.
                        Task <bool> callTask = userAgent.Call(_options.CallDestination, null, null, voipMediaSession);
                        callTask.Wait(CALL_TIMEOUT_SECONDS * 1000);
                    }

                    if (userAgent.IsCallActive)
                    {
                        Log.LogInformation("Call attempt successful.");
                        mediaEndPoints.VideoSink.OnVideoSinkDecodedSample += (byte[] bmp, uint width, uint height, int stride, VideoPixelFormatsEnum pixelFormat) =>
                        {
                            if (_isFormActivated)
                            {
                                _form?.BeginInvoke(new Action(() =>
                                {
                                    if (_form.Handle != IntPtr.Zero)
                                    {
                                        unsafe
                                        {
                                            if (_remoteVideoPicBox.Width != (int)width || _remoteVideoPicBox.Height != (int)height)
                                            {
                                                Log.LogDebug($"Adjusting remote video display from {_remoteVideoPicBox.Width}x{_remoteVideoPicBox.Height} to {width}x{height}.");
                                                _remoteVideoPicBox.Width  = (int)width;
                                                _remoteVideoPicBox.Height = (int)height;
                                            }

                                            fixed(byte *s = bmp)
                                            {
                                                System.Drawing.Bitmap bmpImage = new System.Drawing.Bitmap((int)width, (int)height, stride, System.Drawing.Imaging.PixelFormat.Format24bppRgb, (IntPtr)s);
                                                _remoteVideoPicBox.Image       = bmpImage;
                                            }
                                        }
                                    }
                                }));
                            }
                        };
                    }
                    else
                    {
                        Log.LogWarning("Call attempt failed.");
                        Console.WriteLine("Press ctrl-c to exit.");
                    }

                    exitMRE.WaitOne();

                    if (userAgent.IsCallActive)
                    {
                        Log.LogInformation("Hanging up.");
                        userAgent.Hangup();
                    }

                    Task.Delay(1000).Wait();

                    // Clean up.
                    if (_form.Handle != IntPtr.Zero)
                    {
                        _form.BeginInvoke(new Action(() => _form.Close()));
                    }
                    _sipTransport.Shutdown();
                }
            }
        }
Ejemplo n.º 8
0
        private static async Task <RTCPeerConnection> CreatePeerConnection()
        {
            RTCConfiguration config = new RTCConfiguration
            {
                iceServers = new List <RTCIceServer> {
                    new RTCIceServer {
                        urls = STUN_URL
                    }
                }
            };
            var pc = new RTCPeerConnection(config);

            WindowsVideoEndPoint winVideoEP = new WindowsVideoEndPoint(new VpxVideoEncoder(), WEBCAM_NAME);
            //WindowsVideoEndPoint winVideoEP = new WindowsVideoEndPoint(new FFmpegVideoEncoder(), WEBCAM_NAME);
            //WindowsVideoEndPoint winVideoEP = new WindowsVideoEndPoint(WEBCAM_NAME, 1920, 1080, 30);
            //winVideoEP.RestrictFormats(x => x.Codec == SIPSorceryMedia.Abstractions.V1.VideoCodecsEnum.H264);
            bool initResult = await winVideoEP.InitialiseVideoSourceDevice();

            if (!initResult)
            {
                throw new ApplicationException("Could not initialise video capture device.");
            }
            var audioSource = new AudioExtrasSource(new AudioEncoder(), new AudioSourceOptions {
                AudioSource = AudioSourcesEnum.Music
            });

            MediaStreamTrack videoTrack = new MediaStreamTrack(winVideoEP.GetVideoSourceFormats(), MediaStreamStatusEnum.SendRecv);

            pc.addTrack(videoTrack);
            MediaStreamTrack audioTrack = new MediaStreamTrack(audioSource.GetAudioSourceFormats(), MediaStreamStatusEnum.SendRecv);

            pc.addTrack(audioTrack);

            winVideoEP.OnVideoSourceEncodedSample  += pc.SendVideo;
            audioSource.OnAudioSourceEncodedSample += pc.SendAudio;
            pc.OnVideoFormatsNegotiated            += (videoFormats) =>
                                                      winVideoEP.SetVideoSourceFormat(videoFormats.First());
            pc.OnAudioFormatsNegotiated += (audioFormats) =>
                                           audioSource.SetAudioSourceFormat(audioFormats.First());

            pc.onconnectionstatechange += async(state) =>
            {
                logger.LogDebug($"Peer connection state change to {state}.");

                if (state == RTCPeerConnectionState.connected)
                {
                    await audioSource.StartAudio();

                    await winVideoEP.StartVideo();
                }
                else if (state == RTCPeerConnectionState.failed)
                {
                    pc.Close("ice disconnection");
                }
                else if (state == RTCPeerConnectionState.closed)
                {
                    await winVideoEP.CloseVideo();

                    await audioSource.CloseAudio();
                }
            };

            // Diagnostics.
            pc.OnReceiveReport += (re, media, rr) => logger.LogDebug($"RTCP Receive for {media} from {re}\n{rr.GetDebugSummary()}");
            pc.OnSendReport    += (media, sr) => logger.LogDebug($"RTCP Send for {media}\n{sr.GetDebugSummary()}");
            pc.GetRtpChannel().OnStunMessageReceived += (msg, ep, isRelay) => logger.LogDebug($"STUN {msg.Header.MessageType} received from {ep}.");
            pc.oniceconnectionstatechange += (state) => logger.LogDebug($"ICE connection state change to {state}.");

            return(pc);
        }
Ejemplo n.º 9
0
        private static RTCPeerConnection WebSocketOpened(WebSocketContext context)
        {
            WindowsVideoEndPoint winVideoEP = new WindowsVideoEndPoint();

            winVideoEP.OnVideoSinkDecodedSample += (byte[] bmp, uint width, uint height, int stride, VideoPixelFormatsEnum pixelFormat) =>
            {
                _form.BeginInvoke(new Action(() =>
                {
                    unsafe
                    {
                        fixed(byte *s = bmp)
                        {
                            System.Drawing.Bitmap bmpImage = new System.Drawing.Bitmap((int)width, (int)height, (int)(bmp.Length / height), System.Drawing.Imaging.PixelFormat.Format24bppRgb, (IntPtr)s);
                            _picBox.Image = bmpImage;
                        }
                    }
                }));
            };

            var peerConnection = new RTCPeerConnection(null);

            // Add local recvonly tracks. This ensures that the SDP answer includes only
            // the codecs we support.
            MediaStreamTrack audioTrack = new MediaStreamTrack(SDPMediaTypesEnum.audio, false, new List <SDPMediaFormat> {
                new SDPMediaFormat(SDPMediaFormatsEnum.PCMU)
            }, MediaStreamStatusEnum.RecvOnly);

            peerConnection.addTrack(audioTrack);
            MediaStreamTrack videoTrack = new MediaStreamTrack(winVideoEP.GetVideoSinkFormats(), MediaStreamStatusEnum.RecvOnly);

            peerConnection.addTrack(videoTrack);

            peerConnection.OnReceiveReport += RtpSession_OnReceiveReport;
            peerConnection.OnSendReport    += RtpSession_OnSendReport;
            peerConnection.GetRtpChannel().OnStunMessageReceived += (msg, ep, isRelay) =>
            {
                bool hasUseCandidate = msg.Attributes.Any(x => x.AttributeType == STUNAttributeTypesEnum.UseCandidate);
                Console.WriteLine($"STUN {msg.Header.MessageType} received from {ep}, use candidate {hasUseCandidate}.");
            };
            peerConnection.oniceconnectionstatechange += (state) => Console.WriteLine($"ICE connection state changed to {state}.");
            peerConnection.onconnectionstatechange    += async(state) =>
            {
                Console.WriteLine($"Peer connection state changed to {state}.");

                if (state == RTCPeerConnectionState.closed)
                {
                    await winVideoEP.CloseVideo();
                }
            };
            //peerConnection.OnRtpPacketReceived += (IPEndPoint rep, SDPMediaTypesEnum media, RTPPacket rtpPkt) =>
            //{
            //    //logger.LogDebug($"RTP {media} pkt received, SSRC {rtpPkt.Header.SyncSource}.");

            //    if (media == SDPMediaTypesEnum.video)
            //    {
            //        winVideoEP.GotVideoRtp(rep, rtpPkt.Header.SyncSource, rtpPkt.Header.SequenceNumber, rtpPkt.Header.Timestamp, rtpPkt.Header.PayloadType, rtpPkt.Header.MarkerBit == 1, rtpPkt.Payload);
            //    }
            //};
            peerConnection.OnVideoFrameReceived += winVideoEP.GotVideoFrame;

            return(peerConnection);
        }
Ejemplo n.º 10
0
        private static RTCPeerConnection CreatePeerConnection()
        {
            RTCConfiguration config = new RTCConfiguration
            {
                iceServers = new List <RTCIceServer> {
                    new RTCIceServer {
                        urls = STUN_URL
                    }
                }
            };
            var pc = new RTCPeerConnection(config);

            WindowsVideoEndPoint winVideoEP = new WindowsVideoEndPoint();
            //WindowsVideoEndPoint winVideoEP = new WindowsVideoEndPoint(false, 640, 480, 30);
            //WindowsVideoEndPoint winVideoEP = new WindowsVideoEndPoint(false, 1920, 1080, 30);
            //await winVideoEP.InitialiseVideoSourceDevice();
            var audioSource = new AudioExtrasSource(new AudioEncoder(), new AudioSourceOptions {
                AudioSource = AudioSourcesEnum.Music
            });

            MediaStreamTrack videoTrack = new MediaStreamTrack(winVideoEP.GetVideoSourceFormats(), MediaStreamStatusEnum.SendRecv);

            pc.addTrack(videoTrack);
            MediaStreamTrack audioTrack = new MediaStreamTrack(audioSource.GetAudioSourceFormats(), MediaStreamStatusEnum.SendRecv);

            pc.addTrack(audioTrack);

            winVideoEP.OnVideoSourceEncodedSample  += pc.SendVideo;
            audioSource.OnAudioSourceEncodedSample += pc.SendAudio;
            pc.OnVideoFormatsNegotiated            += (sdpFormat) =>
                                                      winVideoEP.SetVideoSourceFormat(SDPMediaFormatInfo.GetVideoCodecForSdpFormat(sdpFormat.First().FormatCodec));
            pc.onconnectionstatechange += async(state) =>
            {
                logger.LogDebug($"Peer connection state change to {state}.");

                if (state == RTCPeerConnectionState.connected)
                {
                    await audioSource.StartAudio();

                    await winVideoEP.StartVideo();
                }
                else if (state == RTCPeerConnectionState.failed)
                {
                    pc.Close("ice disconnection");
                }
                else if (state == RTCPeerConnectionState.closed)
                {
                    await winVideoEP.CloseVideo();

                    await audioSource.CloseAudio();
                }
            };

            // Diagnostics.
            pc.OnReceiveReport += (re, media, rr) => logger.LogDebug($"RTCP Receive for {media} from {re}\n{rr.GetDebugSummary()}");
            pc.OnSendReport    += (media, sr) => logger.LogDebug($"RTCP Send for {media}\n{sr.GetDebugSummary()}");
            pc.GetRtpChannel().OnStunMessageReceived += (msg, ep, isRelay) => logger.LogDebug($"STUN {msg.Header.MessageType} received from {ep}.");
            pc.oniceconnectionstatechange += (state) => logger.LogDebug($"ICE connection state change to {state}.");

            return(pc);
        }