コード例 #1
0
        public void GuarenteedNumberOfVideoEncoderInstancesMixReduced()
        {
            MediaConfigurationChangeLog changeLog = new MediaConfigurationChangeLog();

            // 4 StreamSetup types:
            // - RTPUDP - must be supported
            // - RTPRTSPHTTP - must be supported
            // - RTPRTSPTCP - optional
            // - RTPMulticastUDP - optional

            List <StreamSetup> supportedSetups = new List <StreamSetup>();

            StreamSetup streamSetup1 = new StreamSetup();

            streamSetup1.Transport          = new Transport();
            streamSetup1.Transport.Protocol = TransportProtocol.UDP;
            streamSetup1.Stream             = StreamType.RTPUnicast;
            supportedSetups.Add(streamSetup1);

            StreamSetup streamSetup2 = new StreamSetup();

            streamSetup2.Transport          = new Transport();
            streamSetup2.Transport.Protocol = TransportProtocol.HTTP;
            streamSetup2.Stream             = StreamType.RTPUnicast;
            supportedSetups.Add(streamSetup2);

            bool        TCP          = Features.Contains(Feature.RTPRTSPTCP);
            StreamSetup streamSetup3 = new StreamSetup();

            streamSetup3.Transport = new Transport();
            if (TCP)
            {
                streamSetup3.Transport.Protocol = TransportProtocol.RTSP;
                streamSetup3.Stream             = StreamType.RTPUnicast;
                supportedSetups.Add(streamSetup3);
            }

            bool        Multicast    = Features.Contains(Feature.RTPMulticastUDP);
            StreamSetup streamSetup4 = new StreamSetup();

            streamSetup4.Transport = new Transport();
            if (Multicast)
            {
                streamSetup4.Transport.Protocol = TransportProtocol.UDP;
                streamSetup4.Stream             = StreamType.RTPMulticast;
                supportedSetups.Add(streamSetup4);
            }

            // list of used VEC tokens for RTP-Multicast streaming
            List <string> MulticastTokenList = new List <string>();

            // list of used VSC tokens
            List <string> VscTokenList = new List <string>();

            // lists of used ip addresses and ports for RTP-Multicast streaming
            List <int>    usedMulticastPorts = new List <int>();
            List <string> usedMulticastIPs   = new List <string>();

            RunTest(
                () =>
            {
                int step = 0;

                MultipleStreamTestReduced(changeLog, (ref Profile profile) =>
                {
                    if (!VscTokenList.Contains(profile.VideoSourceConfiguration.token))
                    {
                        VscTokenList.Add(profile.VideoSourceConfiguration.token);

                        // we should clear this for every new Video Source Configuration
                        if (0 != MulticastTokenList.Count)
                        {
                            MulticastTokenList.Clear();
                        }
                    }

                    int idx             = step % supportedSetups.Count;
                    StreamSetup current = supportedSetups[idx];

                    // setup multicast
                    if (current.Stream == StreamType.RTPMulticast)
                    {
                        if (MulticastTokenList.Contains(profile.VideoEncoderConfiguration.token))
                        {
                            idx     = (++step) % supportedSetups.Count;
                            current = supportedSetups[idx];
                        }
                        else
                        {
                            MulticastTokenList.Add(profile.VideoEncoderConfiguration.token);

                            string addressVideo = "";
                            int portVideo       = 0;

                            string addressAudio = "";
                            int portAudio       = 0;

                            string addressMetadata = "";
                            int portMetadata       = 0;

                            if (profile.VideoEncoderConfiguration != null)
                            {
                                addressVideo = GetMulticastAddress3(usedMulticastIPs);
                                usedMulticastIPs.Add(addressVideo);
                                portVideo = GetMulticastPort2(usedMulticastPorts);
                                usedMulticastPorts.Add(portVideo);

                                VideoEncoderConfiguration configCopy = Utils.CopyMaker.CreateCopy(profile.VideoEncoderConfiguration);
                                changeLog.TrackModifiedConfiguration(configCopy);
                                SetMulticast(profile.VideoEncoderConfiguration.Multicast, IPType.IPv4, addressVideo, portVideo);
                                SetVideoEncoderConfiguration(profile.VideoEncoderConfiguration, false, true);
                            }

                            if (profile.AudioEncoderConfiguration != null)
                            {
                                addressAudio = GetMulticastAddress3(usedMulticastIPs);
                                usedMulticastIPs.Add(addressAudio);
                                portAudio = GetMulticastPort2(usedMulticastPorts);
                                usedMulticastPorts.Add(portAudio);
                            }

                            if (profile.MetadataConfiguration != null)
                            {
                                addressMetadata = GetMulticastAddress3(usedMulticastIPs);
                                usedMulticastIPs.Add(addressMetadata);
                                portMetadata = GetMulticastPort2(usedMulticastPorts);
                                usedMulticastPorts.Add(portMetadata);
                            }

                            SetMulticastSettings(profile, IPType.IPv4, changeLog,
                                                 addressAudio, portAudio,
                                                 addressVideo, portVideo,
                                                 addressMetadata, portMetadata);
                        }
                    }

                    ++step;
                    return(current);
                });
            },
                () =>
            {
                RestoreMediaConfiguration(changeLog);
            }
                );
        }
コード例 #2
0
        public void GuarenteedNumberOfVideoEncoderInstancesMulticastReduced()
        {
            MediaConfigurationChangeLog changeLog = new MediaConfigurationChangeLog();

            RunTest(
                () =>
            {
                // list of used VEC tokens for RTP-Multicast streaming
                List <string> MulticastTokenList = new List <string>();

                // list of used VSC tokens
                List <string> VscTokenList = new List <string>();

                // lists of used ip addresses and ports for RTP-Multicast streaming
                List <int> usedMulticastPorts  = new List <int>();
                List <string> usedMulticastIPs = new List <string>();

                MultipleStreamTestReduced(changeLog, (ref Profile profile) =>
                {
                    if (!VscTokenList.Contains(profile.VideoSourceConfiguration.token))
                    {
                        VscTokenList.Add(profile.VideoSourceConfiguration.token);

                        // we should clear this for every new Video Source Configuration
                        if (0 != MulticastTokenList.Count)
                        {
                            MulticastTokenList.Clear();
                        }
                    }

                    StreamSetup streamSetup        = new StreamSetup();
                    streamSetup.Transport          = new Transport();
                    streamSetup.Transport.Protocol = TransportProtocol.UDP;
                    streamSetup.Stream             = StreamType.RTPMulticast;

                    if (MulticastTokenList.Contains(profile.VideoEncoderConfiguration.token))
                    {
                        profile = null;
                    }
                    else
                    {
                        MulticastTokenList.Add(profile.VideoEncoderConfiguration.token);

                        string addressVideo = "";
                        int portVideo       = 0;

                        string addressAudio = "";
                        int portAudio       = 0;

                        string addressMetadata = "";
                        int portMetadata       = 0;

                        if (profile.VideoEncoderConfiguration != null)
                        {
                            addressVideo = GetMulticastAddress3(usedMulticastIPs);
                            usedMulticastIPs.Add(addressVideo);
                            portVideo = GetMulticastPort2(usedMulticastPorts);
                            usedMulticastPorts.Add(portVideo);

                            VideoEncoderConfiguration configCopy = Utils.CopyMaker.CreateCopy(profile.VideoEncoderConfiguration);
                            changeLog.TrackModifiedConfiguration(configCopy);
                            SetMulticast(profile.VideoEncoderConfiguration.Multicast, IPType.IPv4, addressVideo, portVideo);
                            SetVideoEncoderConfiguration(profile.VideoEncoderConfiguration, false, true);
                        }

                        if (profile.AudioEncoderConfiguration != null)
                        {
                            addressAudio = GetMulticastAddress3(usedMulticastIPs);
                            usedMulticastIPs.Add(addressAudio);
                            portAudio = GetMulticastPort2(usedMulticastPorts);
                            usedMulticastPorts.Add(portAudio);
                        }

                        if (profile.MetadataConfiguration != null)
                        {
                            addressMetadata = GetMulticastAddress3(usedMulticastIPs);
                            usedMulticastIPs.Add(addressMetadata);
                            portMetadata = GetMulticastPort2(usedMulticastPorts);
                            usedMulticastPorts.Add(portMetadata);
                        }

                        SetMulticastSettings(profile, IPType.IPv4, changeLog,
                                             addressAudio, portAudio,
                                             addressVideo, portVideo,
                                             addressMetadata, portMetadata);
                    }

                    return(streamSetup);
                });
            },
                () =>
            {
                RestoreMediaConfiguration(changeLog);
            }
                );
        }
コード例 #3
0
        void SetResourcesUsageToMimimal(MediaConfigurationChangeLog changeLog, IEnumerable <Profile> profiles)
        {
            List <VideoEncoderConfiguration> modifiedConfigurations = new List <VideoEncoderConfiguration>();

            // set resolutions and FPS to minimal values
            foreach (Profile profile in profiles)
            {
                // actually we change configurations
                // so we must track modified configurations and don't apply changes more than once
                VideoEncoderConfiguration AlreadyModifiedVec = null;
                AlreadyModifiedVec = modifiedConfigurations.Find(vec => null != profile.VideoEncoderConfiguration && vec.token == profile.VideoEncoderConfiguration.token);
                if (AlreadyModifiedVec != null)
                {
                    profile.VideoEncoderConfiguration = AlreadyModifiedVec;
                    continue;
                }

                if (null != profile.VideoEncoderConfiguration)
                {
                    VideoEncoderConfigurationOptions options = GetVideoEncoderConfigurationOptions(profile.VideoEncoderConfiguration.token, null);
    #if true
                    if (OptimizeVEC(changeLog, profile.VideoEncoderConfiguration, options))
                    {
                        //SetVideoEncoderConfiguration(profile.VideoEncoderConfiguration, false);
                        SetVideoEncoderConfiguration(Utils.CopyMaker.CreateCopy(profile.VideoEncoderConfiguration), false);
                        modifiedConfigurations.Add(profile.VideoEncoderConfiguration);
                    }
    #else
                    VideoResolution[] resolutionsAvailable = null;
                    IntRange          fpsRange             = null;
                    switch (profile.VideoEncoderConfiguration.Encoding)
                    {
                    case VideoEncoding.JPEG:
                        if (options.JPEG != null)
                        {
                            resolutionsAvailable = options.JPEG.ResolutionsAvailable;
                            fpsRange             = options.JPEG.FrameRateRange;
                        }
                        break;

                    case VideoEncoding.H264:
                        if (options.H264 != null)
                        {
                            resolutionsAvailable = options.H264.ResolutionsAvailable;
                            fpsRange             = options.H264.FrameRateRange;
                        }
                        break;

                    case VideoEncoding.MPEG4:
                        if (options.MPEG4 != null)
                        {
                            resolutionsAvailable = options.MPEG4.ResolutionsAvailable;
                            fpsRange             = options.MPEG4.FrameRateRange;
                        }
                        break;
                    }

                    VideoResolution minimalResolution = null;
                    bool            updateResolution  = false;
                    if (resolutionsAvailable != null)
                    {
                        VideoResolution currentResolution = profile.VideoEncoderConfiguration.Resolution;
                        foreach (VideoResolution resolution in resolutionsAvailable)
                        {
                            if (minimalResolution == null)
                            {
                                minimalResolution = resolution;
                            }
                            else
                            {
                                if (minimalResolution.Height * minimalResolution.Width > resolution.Height * resolution.Width)
                                {
                                    minimalResolution = resolution;
                                }
                            }
                        }
                        updateResolution = (minimalResolution.Width * minimalResolution.Height < currentResolution.Width * currentResolution.Height);
                    }

                    bool updateFps = false;
                    if (fpsRange != null)
                    {
                        if (profile.VideoEncoderConfiguration.RateControl != null)
                        {
                            if (profile.VideoEncoderConfiguration.RateControl.FrameRateLimit > fpsRange.Min)
                            {
                                updateFps = true;
                            }
                        }
                        else
                        {
                            updateFps = true;
                        }
                    }

                    if (updateResolution || updateFps)
                    {
                        VideoEncoderConfiguration backup = Utils.CopyMaker.CreateCopy(profile.VideoEncoderConfiguration);
                        changeLog.TrackModifiedConfiguration(backup);
                        if (updateResolution)
                        {
                            profile.VideoEncoderConfiguration.Resolution = minimalResolution;
                        }
                        if (updateFps)
                        {
                            if (profile.VideoEncoderConfiguration.RateControl == null)
                            {
                                profile.VideoEncoderConfiguration.RateControl = new VideoRateControl();
                            }
                            profile.VideoEncoderConfiguration.RateControl.FrameRateLimit = fpsRange.Min;
                        }
                        SetVideoEncoderConfiguration(profile.VideoEncoderConfiguration, false);
                        modifiedConfigurations.Add(profile.VideoEncoderConfiguration);
                    }
    #endif
                }
            }
        }