robospot-camera-finder/StreamViewer.cs

using Haukcode.sACN;
using LibVLCSharp.Shared;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.DirectoryServices.ActiveDirectory;
using System.Drawing;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using XboxController;

namespace robospot_camera_finder
{
    public partial class StreamViewer : Form
    {
        public LibVLC _libVLC;
        public MediaPlayer _mp;

        private static readonly Guid acnSourceId = new Guid("{B32625A6-C280-4389-BD25-E0D13F5B50E0}");
        private static readonly string acnSourceName = "RoboSpotCamViewer";

        static SACNClient sendClient = new SACNClient(senderId: acnSourceId, senderName: acnSourceName, localAddress: SACNCommon.GetFirstBindAddress().IPAddress);

        string username = "admin";
        string password = "RoboSpot10";
        string cam_ip = "";

        int max_zoom_pulse = 9999;
        int min_zoom_pulse = 10;

        byte[] dmx_universe = new byte[512];

        Xbox360Controller controller = new Xbox360Controller();

        public StreamViewer(string name, string ip)
        {
            InitializeComponent();

            _libVLC = new LibVLC();
            _mp = new MediaPlayer(_libVLC);

            splitContainerMain.Panel2Collapsed = true;

            cam_ip = ip;
            this.Text = name;

            updateZoomSlider();

            videoView.MediaPlayer = _mp;
            var media = new Media(_libVLC, new Uri("rtsp://" + ip + "/profile2/media.smp"));
            media.AddOption(":network-caching=25");
            _mp.Play(media);
            media.Dispose(); 
        }

        private void updateZoomSlider()
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://" + cam_ip + "/stw-cgi/ptzcontrol.cgi?msubmenu=query&action=view&Query=Zoom");
            request.Credentials = new NetworkCredential(username, password);
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            string text;
            using (var sr = new StreamReader(response.GetResponseStream())) { text = sr.ReadToEnd(); }
            string[] resp_lines = text.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);
            string zoom_value = resp_lines[1].Substring(resp_lines[1].LastIndexOf('=') + 1);
            tbZoom.Value = int.Parse(zoom_value);

        }

        private void sendZoomValue(string zoom_pulse)
        {
            // clamp values to allowed range
            if (int.Parse(zoom_pulse) < min_zoom_pulse)
            {
                zoom_pulse = min_zoom_pulse.ToString();
            }
            if (int.Parse(zoom_pulse) > max_zoom_pulse)
            {
                zoom_pulse = max_zoom_pulse.ToString();
            }

            HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://" + cam_ip + "/stw-cgi/ptzcontrol.cgi?msubmenu=absolute&action=control&ZoomPulse=" + zoom_pulse);
            request.Credentials = new NetworkCredential(username, password);
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
        }


        private void sendZoomValueManual(string zoom_value)
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://" + cam_ip + "/stw-cgi/ptzcontrol.cgi?msubmenu=continuous&NormalizedSpeed=True&action=control&Channel=0&Zoom=" + zoom_value);
            request.Credentials = new NetworkCredential(username, password);
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
        }

        private void StreamViewer_FormClosed(object sender, FormClosedEventArgs e)
        {
            _mp.Stop();
            _mp.Dispose();
            _libVLC.Dispose();

            sendClient.Dispose();
        }

        private void tbZoom_KeyUp(object sender, KeyEventArgs e)
        {
            sendZoomValue(tbZoom.Value.ToString());
        }

        private void tbZoom_MouseUp(object sender, MouseEventArgs e)
        {
            sendZoomValue(tbZoom.Value.ToString());
        }

        private void timerUpdateZoom_Tick(object sender, EventArgs e)
        {
            updateZoomSlider();
        }

        private void btnZoomMax_Click(object sender, EventArgs e)
        {
            tbZoom.Value = max_zoom_pulse;
            sendZoomValue(tbZoom.Value.ToString());
        }

        private void btnZoomMin_Click(object sender, EventArgs e)
        {
            tbZoom.Value = min_zoom_pulse;
            sendZoomValue(tbZoom.Value.ToString());
        }


        private void timerDMX_Tick(object sender, EventArgs e)
        {
            controller.update();

            if (!controller.connected)
            {
                cbEnableXboxCtrl.Checked = false;
                cbEnableXboxCtrl.Enabled = false;
            }
            else
            {
                cbEnableXboxCtrl.Enabled = true;
            }

            if (cbEnableXboxCtrl.Checked)
            {
                Point ls = controller.leftThumb;
                Point rs = controller.rightThumb;

                bool fast_pt = controller.buttons.LeftStick;

                if ((tbPan.Value + ls.X) < 0)
                {
                    tbPan.Value = 0;
                }
                else if ((tbPan.Value + ls.X) > 65535)
                {
                    tbPan.Value = 65535;
                }
                else
                {
                    if (fast_pt)
                    {
                        tbPan.Value += (ls.X) * 5;
                    }
                    else
                    {
                        tbPan.Value += ls.X;
                    }
                }

                if ((tbTilt.Value + ls.Y) < 0)
                {
                    tbTilt.Value = 0;
                }
                else if ((tbTilt.Value + ls.Y) > 65535)
                {
                    tbTilt.Value = 65535;
                }
                else
                {
                    if (fast_pt)
                    {
                        tbTilt.Value += (ls.Y) * 5;
                    }
                    else
                    {
                        tbTilt.Value += ls.Y;
                    }
                }

                sendZoomValueManual(rs.Y.ToString());


                if (controller.buttons.LB)
                {
                    tbZoom.Value = min_zoom_pulse;
                    sendZoomValue(tbZoom.Value.ToString());
                }
                if (controller.buttons.RB)
                {
                    tbZoom.Value = max_zoom_pulse;
                    sendZoomValue(tbZoom.Value.ToString());
                }
            }

            byte[] pan = BitConverter.GetBytes(tbPan.Value);
            byte[] tilt = BitConverter.GetBytes(tbTilt.Value);
            int dmx_addr = int.Parse(numDMXAddr.Value.ToString());

            dmx_universe[dmx_addr - 1] = pan[1];
            dmx_universe[dmx_addr] = pan[0];
            dmx_universe[dmx_addr + 1] = tilt[1];
            dmx_universe[dmx_addr + 2] = tilt[0];

            sendClient.SendMulticast(Convert.ToUInt16(numUniv.Value.ToString()), dmx_universe);
        }

        private void numDMXAddr_ValueChanged(object sender, EventArgs e)
        {
            tbPan.Value = 128;
            tbTilt.Value = 128;

            for (int i = 0; i < dmx_universe.Length; i++)
            {
                dmx_universe[i] = 0;
            }
        }

        private void cbEnableSACN_CheckedChanged(object sender, EventArgs e)
        {
            if (cbEnableSACN.Checked)
            {
                timerDMX.Start();

                tbPan.Enabled = true;
                tbTilt.Enabled = true;
                numDMXAddr.Enabled = true;
                numUniv.Enabled = true;
            }
            else
            {
                timerDMX.Stop();

                tbPan.Enabled = false;
                tbTilt.Enabled = false;
                numDMXAddr.Enabled = false;
                numUniv.Enabled = false;
                cbEnableXboxCtrl.Checked = false;
                cbEnableXboxCtrl.Enabled = false;
            }
        }

        private void btnSidePanel_Click(object sender, EventArgs e)
        {
            if (splitContainerMain.Panel2Collapsed)
            {
                splitContainerMain.Panel2Collapsed = false;
            }
            else
            {
                splitContainerMain.Panel2Collapsed = true;
            }
        }
    }
}