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mariiaanmariiaan
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Create CmdPlay.cs
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‎CmdPlay.cs

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using System;
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using System.Drawing;
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using System.Diagnostics;
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using System.IO;
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using System.Text;
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using System.Collections.Generic;
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using NAudio;
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using NAudio.Wave;
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namespace CmdPlay
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{
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class Program
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{
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const string brightnessLevels = " .-+*wGHM#&%";
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static void Main(string[] args)
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{
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string inputFilename;
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if (args.Length == 0) /* Ask user manually if no parameters specified */
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{
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Console.Write("Input File: ");
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inputFilename = Console.ReadLine().Replace("\"", "");
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}
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else /* Otherwise use first argument */
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{
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inputFilename = args[0];
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}
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Console.WriteLine( "------------------------------\n" +
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" Controls \n" +
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" Space - Play / Pause \n" +
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" Esc - Exit \n" +
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"------------------------------\n");
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ConsoleColor originalForegroundColor = Console.ForegroundColor; /* Preserve the old old colours to print warning message */
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ConsoleColor originalBackgroundColor = Console.BackgroundColor;
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Console.ForegroundColor = ConsoleColor.Red;
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Console.BackgroundColor = ConsoleColor.Black; /* Contrast: Red on black */
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Console.WriteLine("NOTE: Do not resize the window starting from now! (Resize before program init)");
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Console.ForegroundColor = originalForegroundColor; /* Reset old colours */
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Console.BackgroundColor = originalBackgroundColor;
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Console.WriteLine("[INFO] Please wait.. Processing..");
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Console.WriteLine("[INFO] Step 1 / 4: Cleaning up...");
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if(Directory.Exists("tmp"))
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{
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if(Directory.Exists("tmp\\frames\\"))
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{
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Directory.Delete("tmp\\frames\\", true);
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}
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Directory.CreateDirectory("tmp\\frames\\");
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if(File.Exists("tmp\\audio.wav"))
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{
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File.Delete("tmp\\audio.wav");
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}
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}
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else
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{
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Directory.CreateDirectory("tmp\\");
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Directory.CreateDirectory("tmp\\frames\\");
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}
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int targetFrameWidth = Console.WindowWidth - 1;
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int targetFrameHeight = Console.WindowHeight - 2;
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Console.WriteLine("[INFO] Step 2 / 4: Extracting frames...");
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Process ffmpegProcess = new Process(); /* Launch ffmpeg process to extract the frames */
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ffmpegProcess.StartInfo.FileName = "ffmpeg.exe";
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ffmpegProcess.StartInfo.Arguments = "-i \"" + inputFilename + "\" -vf scale=" +
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targetFrameWidth + ":" + targetFrameHeight + " tmp\\frames\\%0d.bmp";
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ffmpegProcess.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
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ffmpegProcess.Start();
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Console.WriteLine("[INFO] Waiting for ffmpeg.exe to finish...");
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ffmpegProcess.WaitForExit();
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Console.WriteLine("[INFO] Step 3 / 4: Extracting audio...");
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ffmpegProcess = new Process();
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ffmpegProcess.StartInfo.FileName = "ffmpeg.exe";
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ffmpegProcess.StartInfo.Arguments = "-i \"" + inputFilename + "\" tmp\\audio.wav";
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ffmpegProcess.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
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ffmpegProcess.Start();
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Console.WriteLine("[INFO] Waiting for ffmpeg.exe to finish...");
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ffmpegProcess.WaitForExit();
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Console.WriteLine("[INFO] Step 4 / 4: Converting to ascii... (This can take some time!)");
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Console.Write("-> [PROGRESS] [0 %] [ ]");
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int currentCursorHeight = Console.CursorTop;
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List<string> frames = new List<string>();
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int frameCount = Directory.GetFiles("tmp\\frames", "*.bmp").Length;
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int frameIndex = 1;
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while(true)
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{
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string filename = "tmp\\frames\\" + frameIndex.ToString() + ".bmp";
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if(!File.Exists(filename))
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{
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break;
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}
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StringBuilder frameBuilder = new StringBuilder();
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using (Bitmap b = new Bitmap(filename))
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{
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for(int y = 0; y < b.Height; y++)
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{
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for(int x = 0; x < b.Width; x++)
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{
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int dIndex = (int)(b.GetPixel(x, y).GetBrightness() * brightnessLevels.Length);
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if(dIndex < 0)
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{
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dIndex = 0;
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}
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else if(dIndex >= brightnessLevels.Length)
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{
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dIndex = brightnessLevels.Length - 1;
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}
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frameBuilder.Append(brightnessLevels[dIndex]);
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}
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frameBuilder.Append("\n");
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}
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}
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frames.Add(frameBuilder.ToString());
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frameIndex++;
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int percentage = (int)(frameIndex / (float)frameCount * 100);
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Console.SetCursorPosition(15, currentCursorHeight);
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Console.Write(percentage.ToString());
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Console.SetCursorPosition(22, currentCursorHeight);
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for(int i = 0; i < percentage / 5; i++)
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{
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Console.Write("#");
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}
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}
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AudioFileReader reader = new AudioFileReader("tmp\\audio.wav");
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WaveOutEvent woe = new WaveOutEvent();
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woe.Init(reader);
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Console.WriteLine("\n\nPress return to play!");
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Console.ReadLine();
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woe.Play();
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while(true)
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{
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float percentage = woe.GetPosition() / (float)reader.Length;
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int frame = (int)(percentage * frameCount);
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if(frame >= frames.Count)
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break;
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Console.SetCursorPosition(0, 0);
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Console.WriteLine(frames[frame]);
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if(Console.KeyAvailable)
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{
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ConsoleKey pressed = Console.ReadKey().Key;
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switch(pressed)
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{
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case ConsoleKey.Spacebar:
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{
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if (woe.PlaybackState == PlaybackState.Playing)
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woe.Pause();
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else woe.Play();
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break;
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}
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case ConsoleKey.Escape:
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{
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Console.WriteLine("Done. Press any key to close");
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Console.ReadKey();
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return;
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}
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}
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}
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}
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Console.WriteLine("Done. Press any key to close");
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Console.ReadKey();
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}
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}
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}

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