mirror of
https://github.com/aaru-dps/Aaru.VideoNow.git
synced 2025-12-16 19:24:36 +00:00
429 lines
18 KiB
C#
429 lines
18 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : Program.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : VideoNow analyzing and decoding tools.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Main program loop.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2019 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using SharpAvi;
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using SharpAvi.Output;
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namespace DiscImageChef.VideoNow
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{
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static class MainClass
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{
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const int max_size = 635040000;
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static string AssemblyCopyright;
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static string AssemblyTitle;
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static AssemblyInformationalVersionAttribute AssemblyVersion;
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//
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/// <summary>
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/// This is some kind of header. Every 10 bytes there's an audio byte. Here it is without reordering from little
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/// endian, so the first appearence is at 9th byte.
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/// </summary>
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static readonly byte[] frameMarker =
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{
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0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3,
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0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3,
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0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3,
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0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81,
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0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81,
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0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3, 0x81,
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0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0x00,
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0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7,
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0xE3, 0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7,
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0xE3, 0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7,
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0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3,
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0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3,
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0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3,
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0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0x00, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81, 0xC7, 0xE3, 0x81,
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0x00, 0xC7, 0x00, 0x00, 0x01, 0x02, 0x02, 0x04, 0x03, 0x06, 0x00, 0xFF, 0x04, 0x08, 0x05, 0x0A, 0x06,
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0x0C, 0x07, 0x0E, 0x00, 0xFF, 0x08, 0x11, 0x09, 0x13, 0x0A, 0x15, 0x0B, 0x17, 0x00, 0xFF, 0x0C, 0x19,
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0x0D, 0x1B, 0x0E, 0x1D, 0x0F, 0x1F, 0x00, 0xFF, 0x28, 0x00, 0x29, 0x02, 0x2A, 0x04, 0x2B, 0x06, 0x00,
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0xFF, 0x2C, 0x08, 0x2D, 0x0A, 0x2E, 0x0C, 0x2F, 0x0E, 0x00, 0xFF, 0x30, 0x11, 0x31, 0x13, 0x32, 0x15,
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0x33, 0x17, 0x00, 0xFF, 0x34, 0x19, 0x35, 0x1B, 0x36, 0x1D, 0x37, 0x1F, 0x00, 0xFF, 0x38, 0x00, 0x39,
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0x02, 0x3A, 0x04, 0x3B, 0x06, 0x00, 0xFF, 0x3C, 0x08, 0x3D, 0x0A, 0x3E, 0x0C, 0x3F, 0x0E, 0x00, 0xFF,
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0x40, 0x11, 0x41, 0x13, 0x42, 0x15, 0x43, 0x17, 0x00, 0xFF, 0x44, 0x19, 0x45, 0x1B, 0x46, 0x1D, 0x47,
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0x1F, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF
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};
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public static void Main(string[] args)
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{
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object[] attributes = typeof(MainClass).Assembly.GetCustomAttributes(typeof(AssemblyTitleAttribute), false);
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AssemblyTitle = ((AssemblyTitleAttribute)attributes[0]).Title;
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attributes = typeof(MainClass).Assembly.GetCustomAttributes(typeof(AssemblyCopyrightAttribute), false);
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AssemblyVersion =
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Attribute.GetCustomAttribute(typeof(MainClass).Assembly, typeof(AssemblyInformationalVersionAttribute))
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as AssemblyInformationalVersionAttribute;
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AssemblyCopyright = ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
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PrintCopyright();
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if(args.Length != 1)
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{
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Console.WriteLine("Usage: DiscImageChef.VideoNow dump.raw");
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return;
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}
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if(!File.Exists(args[0]))
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{
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Console.WriteLine("Specified file does not exist.");
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return;
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}
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FileStream fs;
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try { fs = File.Open(args[0], FileMode.Open, FileAccess.Read, FileShare.Read); }
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catch
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{
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Console.WriteLine("Could not open specified file.");
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return;
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}
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if(fs.Length > max_size)
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{
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Console.WriteLine("File is too big, not continuing.");
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return;
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}
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Console.WriteLine("File: {0}", args[0]);
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Console.WriteLine("Searching for first frame....");
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long framePosition = 0;
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byte[] buffer = new byte[frameMarker.Length];
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while(framePosition < 19600)
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{
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fs.Position = framePosition;
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fs.Read(buffer, 0, buffer.Length);
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for(int ab = 8; ab < buffer.Length; ab += 10) buffer[ab] = 0;
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if(buffer.SequenceEqual(frameMarker)) break;
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framePosition++;
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}
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for(int ab = 8; ab < buffer.Length; ab += 10) buffer[ab] = 0;
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if(!buffer.SequenceEqual(frameMarker))
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{
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Console.WriteLine("Could not find any frame!");
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return;
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}
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Console.WriteLine("First frame found at {0}", framePosition);
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Console.WriteLine("First frame {0} at a sector boundary", framePosition % 2352 == 0 ? "is" : "is not");
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char progress = ' ';
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AviWriter aviWriter = new AviWriter(args[0] + ".avi") {EmitIndex1 = true, FramesPerSecond = 18};
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IAviVideoStream videoStream = aviWriter.AddVideoStream(144, 80, BitsPerPixel.Bpp24);
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videoStream.Codec = KnownFourCCs.Codecs.Uncompressed;
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var audioStream = aviWriter.AddAudioStream(2, 17640, 8);
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fs.Position = framePosition;
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byte[] frameBuffer = new byte[19600];
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fs.Read(frameBuffer, 0, frameBuffer.Length);
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frameBuffer = SwapBuffer(frameBuffer);
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var outFs = new MemoryStream();
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for(int i = 9; i <= frameBuffer.Length; i += 10)
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{
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switch(i / 10 % 4)
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{
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case 0:
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progress = '-';
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break;
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case 1:
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progress = '\\';
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break;
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case 2:
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progress = '|';
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break;
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case 3:
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progress = '/';
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break;
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}
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Console.Write("\rExtracting audio {0} ", progress);
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outFs.WriteByte(frameBuffer[i]);
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}
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byte[] videoFrame = DecodeFrame(frameBuffer);
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videoStream.WriteFrame(true, videoFrame, 0, videoFrame.Length);
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audioStream.WriteBlock(outFs.ToArray(), 0, (int)outFs.Length);
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int totalFrames = 1;
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framePosition += 19600;
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buffer = new byte[frameMarker.Length];
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while(framePosition + 19600 < fs.Length)
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{
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switch(totalFrames % 4)
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{
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case 0:
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progress = '-';
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break;
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case 1:
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progress = '\\';
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break;
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case 2:
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progress = '|';
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break;
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case 3:
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progress = '/';
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break;
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}
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Console.Write("\rLooking for more frames {0}", progress);
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for(int ab = 8; ab < buffer.Length; ab += 10) buffer[ab] = 0;
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if(!buffer.SequenceEqual(frameMarker))
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{
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Console.Write("\r \r");
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Console.WriteLine("Frame {0} and the next one are not aligned...", totalFrames);
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long expectedFramePosition = framePosition;
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while(framePosition < fs.Length)
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{
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fs.Position = framePosition;
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fs.Read(buffer, 0, buffer.Length);
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for(int ab = 8; ab < buffer.Length; ab += 10) buffer[ab] = 0;
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if(buffer.SequenceEqual(frameMarker))
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{
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Console.Write("\r \r");
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fs.Position = framePosition;
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frameBuffer = new byte[19600];
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fs.Read(frameBuffer, 0, frameBuffer.Length);
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frameBuffer = SwapBuffer(frameBuffer);
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outFs = new MemoryStream();
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for(int i = 9; i <= frameBuffer.Length; i += 10)
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{
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switch(i / 10 % 4)
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{
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case 0:
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progress = '-';
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break;
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case 1:
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progress = '\\';
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break;
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case 2:
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progress = '|';
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break;
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case 3:
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progress = '/';
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break;
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}
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Console.Write("\rExtracting audio {0} ", progress);
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outFs.WriteByte(frameBuffer[i]);
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}
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videoFrame = DecodeFrame(frameBuffer);
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videoStream.WriteFrame(true, videoFrame, 0, videoFrame.Length);
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audioStream.WriteBlock(outFs.ToArray(), 0, (int)outFs.Length);
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totalFrames++;
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Console.Write("\r \r");
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Console.WriteLine("Frame {1} found at {0}, {2} bytes apart", framePosition, totalFrames,
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framePosition - expectedFramePosition);
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Console.WriteLine("Frame {1} {0} at a sector boundary",
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framePosition % 2352 == 0 ? "is" : "is not", totalFrames);
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framePosition += 19600;
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break;
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}
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framePosition++;
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}
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continue;
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}
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if(framePosition % 2352 == 0)
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{
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Console.Write("\r \r");
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Console.WriteLine("Frame {0} is at a sector boundary", totalFrames);
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}
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Console.Write("\r \r");
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fs.Position = framePosition;
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frameBuffer = new byte[19600];
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fs.Read(frameBuffer, 0, frameBuffer.Length);
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frameBuffer = SwapBuffer(frameBuffer);
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outFs = new MemoryStream();
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for(int i = 9; i <= frameBuffer.Length; i += 10)
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{
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switch(i / 10 % 4)
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{
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case 0:
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progress = '-';
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break;
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case 1:
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progress = '\\';
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break;
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case 2:
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progress = '|';
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break;
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case 3:
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progress = '/';
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break;
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}
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Console.Write("\rExtracting audio {0} ", progress);
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outFs.WriteByte(frameBuffer[i]);
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}
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videoFrame = DecodeFrame(frameBuffer);
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videoStream.WriteFrame(true, videoFrame, 0, videoFrame.Length);
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audioStream.WriteBlock(outFs.ToArray(), 0, (int)outFs.Length);
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totalFrames++;
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fs.Position = framePosition;
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fs.Read(buffer, 0, buffer.Length);
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framePosition += 19600;
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}
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Console.Write("\r \r");
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Console.WriteLine("Found {0} frames", totalFrames);
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fs.Close();
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outFs.Close();
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aviWriter.Close();
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}
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static void PrintCopyright()
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{
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Console.WriteLine("{0} {1}", AssemblyTitle, AssemblyVersion?.InformationalVersion);
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Console.WriteLine("{0}", AssemblyCopyright);
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Console.WriteLine();
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}
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static byte[] SwapBuffer(byte[] buffer)
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{
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byte[] tmp = new byte[buffer.Length];
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for(int i = 0; i < buffer.Length; i += 2)
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{
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tmp[i] = buffer[i + 1];
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tmp[i + 1] = buffer[i];
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}
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return tmp;
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}
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static byte[] DecodeFrame(byte[] frameBuffer)
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{
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char progress = ' ';
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MemoryStream videoFs = new MemoryStream();
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Array.Reverse(frameBuffer);
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byte r, g, b;
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int index = 1;
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int indexBlock2;
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for(int i = 0; i < 19200; i += 240)
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{
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for(int k = 0; k < 120; k += 10)
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{
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for(int j = 1; j < 9; j += 3)
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{
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indexBlock2 = index + 120;
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switch(index / 10 % 4)
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{
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case 0:
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progress = '-';
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break;
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case 1:
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progress = '\\';
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break;
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case 2:
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progress = '|';
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break;
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case 3:
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progress = '/';
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break;
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}
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Console.Write("\rExtracting video {0} ", progress);
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r = (byte)((frameBuffer[index] & 0xF0) + ((frameBuffer[index] & 0xF0) >> 4));
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b = (byte)((frameBuffer[indexBlock2] & 0xF0) +
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((frameBuffer[indexBlock2] & 0xF0) >> 4));
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g = (byte)((frameBuffer[indexBlock2] & 0x0F) +
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((frameBuffer[indexBlock2] & 0x0F) << 4));
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videoFs.WriteByte(r);
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videoFs.WriteByte(g);
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videoFs.WriteByte(b);
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r = (byte)((frameBuffer[indexBlock2 + 1] & 0xF0) +
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((frameBuffer[indexBlock2 + 1] & 0xF0) >> 4));
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b = (byte)((frameBuffer[index] & 0x0F) + ((frameBuffer[index] & 0x0F) << 4));
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g = (byte)((frameBuffer[index + 1] & 0xF0) + ((frameBuffer[index + 1] & 0xF0) >> 4));
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videoFs.WriteByte(r);
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videoFs.WriteByte(g);
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videoFs.WriteByte(b);
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r = (byte)((frameBuffer[index + 1] & 0x0F) + ((frameBuffer[index + 1] & 0x0F) << 4));
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b = (byte)((frameBuffer[indexBlock2 + 1] & 0x0F) +
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((frameBuffer[indexBlock2 + 1] & 0x0F) << 4));
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g = (byte)((frameBuffer[indexBlock2 + 2] & 0xF0) +
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((frameBuffer[indexBlock2 + 2] & 0xF0) >> 4));
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videoFs.WriteByte(r);
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videoFs.WriteByte(g);
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videoFs.WriteByte(b);
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r = (byte)((frameBuffer[index + 120 + 2] & 0x0F) +
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((frameBuffer[index + 120 + 2] & 0x0F) << 4));
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b = (byte)((frameBuffer[index + 2] & 0xF0) + ((frameBuffer[index + 2] & 0xF0) >> 4));
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g = (byte)((frameBuffer[index + 2] & 0x0F) + ((frameBuffer[index + 2] & 0x0F) << 4));
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videoFs.WriteByte(r);
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videoFs.WriteByte(g);
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videoFs.WriteByte(b);
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index += 3;
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}
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index += 1;
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}
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index += 120;
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}
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frameBuffer = videoFs.ToArray();
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Array.Reverse(frameBuffer);
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return frameBuffer;
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}
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}
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} |