示例#1
0
        static void Main()
        {
            Directory.SetCurrentDirectory(AppDomain.CurrentDomain.BaseDirectory);
            Environment.SetEnvironmentVariable("PATH", Environment.GetEnvironmentVariable("PATH") + ";runtimes/win10-x64/"); //only needed if projects are directly referenced

            //var reader = new CameraCapture(0); //capture from camera
            var reader = new FileCapture(Path.Combine(getResourceDir(), "Welcome.mp4"));

            reader.Open();

            var writer = new VideoWriter(@"output.avi", reader.FrameSize, /*reader.FrameRate does not work Cameras*/ 30); //TODO: bug: FPS does not work for cameras

            writer.Open();

            Bgr <byte>[,] frame = null;
            do
            {
                reader.ReadTo(ref frame);
                if (frame == null)
                {
                    break;
                }

                using (var uFrame = frame.Lock())
                { writer.Write(uFrame); }

                frame.Show(autoSize: true);
            }while (!(Console.KeyAvailable && Console.ReadKey(true).Key == ConsoleKey.Escape));

            reader.Dispose();
            writer.Dispose();

            ImageUI.CloseAll();
        }
示例#2
0
        static void Main()
        {
            Directory.SetCurrentDirectory(AppDomain.CurrentDomain.BaseDirectory);
            Environment.SetEnvironmentVariable("PATH", Environment.GetEnvironmentVariable("PATH") + ";runtimes/win10-x64/"); //only needed if projects are directly referenced

            Console.WriteLine("Press ESC to stop playing");

            //var reader = new CameraCapture(0); //capture from camera
            //(reader as CameraCapture).FrameSize = new Size(640, 480);

            var reader = new FileCapture(Path.Combine(getResourceDir(), "Welcome.mp4")); //capture from video

            //var reader = new ImageDirectoryCapture(Path.Combine(getResourceDir(), "Sequence"), "*.jpg");
            reader.Open();

            Bgr <byte>[,] frame = null;
            do
            {
                reader.ReadTo(ref frame);
                if (frame == null)
                {
                    break;
                }

                frame.Show(autoSize: true);
            }while (!(Console.KeyAvailable && Console.ReadKey(true).Key == ConsoleKey.Escape));

            reader.Dispose();
            ImageUI.CloseAll();
        }
示例#3
0
        private static void extractVideo(string fileName)
        {
            //get output dir (same as file name and in the same folder as video)
            var    fileInfo      = new FileInfo(fileName);
            var    fileNameNoExt = fileInfo.Name.Replace(fileInfo.Extension, String.Empty);
            string outputDir     = Path.Combine(fileInfo.DirectoryName, fileNameNoExt);

            //open video
            var reader = new FileCapture(fileName);

            reader.Open();

            reader.SaveFrames(outputDir, "{0}.jpg", p => Console.Write($"\rExtracting: {(int)(p * 100)} %"));
            ImageUI.CloseAll();
        }
示例#4
0
        public static void Main()
        {
            Directory.SetCurrentDirectory(AppDomain.CurrentDomain.BaseDirectory);
            Environment.SetEnvironmentVariable("PATH", Environment.GetEnvironmentVariable("PATH") + ";runtimes/win10-x64/"); //only needed if projects are directly referenced


            var sourceName = String.Empty;

            //video over pipe (direct link and Youtube) (do not support seek)
            //var pipeName = new Uri("http://trailers.divx.com/divx_prod/divx_plus_hd_showcase/BigBuckBunny_DivX_HD720p_ASP.divx").NamedPipeFromVideoUri(); //web-video
            var pipeName = new Uri("https://www.youtube.com/watch?v=Vpg9yizPP_g").NamedPipeFromYoutubeUri(); //Youtube
            sourceName = String.Format(@"\\.\pipe\{0}", pipeName);

            //video http link (Supports seek)
            //sourceName = "http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4";

            //---------------------------------------------
            ImageStreamReader reader = new FileCapture(sourceName);
            reader.Open();

            //seek if you can
            if(reader.CanSeek)
                reader.Seek((int)(reader.Length * 0.25), System.IO.SeekOrigin.Begin);

            //read video frames
            Bgr<byte>[,] frame = null;
            while(true)
            {
                reader.ReadTo(ref frame);
                if (frame == null)
                    break;

                frame.Show(autoSize: false);
                Console.Write($"\r Received: {reader.Position * 100 / reader.Length}%");
            }
            Console.WriteLine("The end.");

            //---------------------------------------------------------------------------
            ImageUI.CloseAll();
            Console.WriteLine("Downloading video...");

            string fileExtension;
            var downloadPipeName = new Uri("https://www.youtube.com/watch?v=Vpg9yizPP_g").NamedPipeFromYoutubeUri(out fileExtension); //Youtube

            downloadPipeName.SaveNamedPipeStream("out" + fileExtension);
            Console.WriteLine("Video saved.");
            Process.Start("out" + fileExtension); //open local file
        }
示例#5
0
        static void Main()
        {
            Directory.SetCurrentDirectory(AppDomain.CurrentDomain.BaseDirectory);
            Environment.SetEnvironmentVariable("PATH", Environment.GetEnvironmentVariable("PATH") + ";runtimes/win10-x64/"); //only needed if projects are directly referenced

            Console.WriteLine("Press ESC to stop playing");

            List <CameraCapture> captures = new List <CameraCapture>();

            var cameraCount = CameraCapture.CameraCount;

            if (cameraCount == 0)
            {
                Console.WriteLine("No camera device is present.");
                return;
            }

            //initialize
            for (int camIdx = 0; camIdx < cameraCount; camIdx++)
            {
                var cap = new CameraCapture(camIdx);
                cap.Open();

                captures.Add(cap);
            }

            //grab frames
            Bgr <byte>[][,] frames = new Bgr <byte> [cameraCount][, ];
            do
            {
                for (int camIdx = 0; camIdx < cameraCount; camIdx++)
                {
                    captures[camIdx].ReadTo(ref frames[camIdx]);
                    if (frames[camIdx] == null)
                    {
                        break;
                    }

                    frames[camIdx].Show(String.Format("Camera {0}", camIdx), autoSize: true);
                }
            }while (!(Console.KeyAvailable && Console.ReadKey(true).Key == ConsoleKey.Escape));

            //dispose
            captures.ForEach(x => x.Dispose());
            ImageUI.CloseAll();
        }