161 lines
4.0 KiB
C#
161 lines
4.0 KiB
C#
using System;
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using System.IO;
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using System.Collections.Generic;
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using System.Drawing.Imaging;
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using System.Text;
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using System.Windows.Forms;
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using BizHawk.Emulation.Common;
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using BizHawk.Bizware.BizwareGL;
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namespace BizHawk.Client.EmuHawk
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{
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[VideoWriter("syncless", "Syncless Recording", "Writes each frame to a directory as a PNG and WAV pair, identified by frame number. The results can be exported into one video file.")]
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public class SynclessRecorder : IVideoWriter
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{
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public void Dispose()
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{
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}
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public void SetVideoCodecToken(IDisposable token)
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{
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}
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public void SetDefaultVideoCodecToken()
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{
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}
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public void SetFrame(int frame)
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{
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_mCurrFrame = frame;
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}
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private int _mCurrFrame;
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private string _mBaseDirectory, _mFramesDirectory;
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private string _mProjectFile;
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public void OpenFile(string projFile)
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{
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_mProjectFile = projFile;
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_mBaseDirectory = Path.GetDirectoryName(_mProjectFile) ?? "";
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string basename = Path.GetFileNameWithoutExtension(projFile);
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string framesDirFragment = $"{basename}_frames";
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_mFramesDirectory = Path.Combine(_mBaseDirectory, framesDirFragment);
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var sb = new StringBuilder();
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sb.AppendLine("version=1");
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sb.AppendLine($"framesdir={framesDirFragment}");
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File.WriteAllText(_mProjectFile, sb.ToString());
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}
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public void CloseFile()
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{
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}
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public void AddFrame(IVideoProvider source)
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{
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using var bb = new BitmapBuffer(source.BufferWidth, source.BufferHeight, source.GetVideoBuffer());
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string subPath = GetAndCreatePathForFrameNum(_mCurrFrame);
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string path = $"{subPath}.png";
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bb.ToSysdrawingBitmap().Save(path, ImageFormat.Png);
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}
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public void AddSamples(short[] samples)
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{
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string subPath = GetAndCreatePathForFrameNum(_mCurrFrame);
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string path = $"{subPath}.wav";
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var wwv = new WavWriterV();
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wwv.SetAudioParameters(_paramSampleRate, _paramChannels, _paramBits);
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wwv.OpenFile(path);
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wwv.AddSamples(samples);
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wwv.CloseFile();
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wwv.Dispose();
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}
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public bool UsesAudio => true;
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public bool UsesVideo => true;
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private class DummyDisposable : IDisposable
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{
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public void Dispose()
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{
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}
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}
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public IDisposable AcquireVideoCodecToken(IWin32Window hwnd)
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{
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return new DummyDisposable();
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}
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public void SetMovieParameters(int fpsNum, int fpsDen)
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{
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//should probably todo in here
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}
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public void SetVideoParameters(int width, int height)
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{
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// may want to todo
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}
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private int _paramSampleRate, _paramChannels, _paramBits;
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public void SetAudioParameters(int sampleRate, int channels, int bits)
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{
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_paramSampleRate = sampleRate;
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_paramChannels = channels;
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_paramBits = bits;
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}
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public void SetMetaData(string gameName, string authors, ulong lengthMs, ulong rerecords)
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{
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// not needed
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}
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public string DesiredExtension() => "syncless.txt";
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/// <summary>
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/// splits the string into chunks of length s
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/// </summary>
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private static List<string> StringChunkSplit(string s, int len)
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{
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if (len == 0)
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{
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throw new ArgumentException("Invalid len", nameof(len));
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}
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int numChunks = (s.Length + len - 1) / len;
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var output = new List<string>(numChunks);
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for (int i = 0, j = 0; i < numChunks; i++, j += len)
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{
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int todo = len;
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int remain = s.Length - j;
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if (remain < todo)
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{
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todo = remain;
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}
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output.Add(s.Substring(j, todo));
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}
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return output;
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}
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private string GetAndCreatePathForFrameNum(int index)
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{
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string subPath = GetPathFragmentForFrameNum(index);
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string path = _mFramesDirectory;
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path = Path.Combine(path, subPath);
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string fPath = $"{path}.nothing";
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Directory.CreateDirectory(Path.GetDirectoryName(fPath) ?? "");
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return path;
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}
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public static string GetPathFragmentForFrameNum(int index)
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{
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var chunks = StringChunkSplit(index.ToString(), 2);
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string subPath = string.Join("/", chunks);
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return subPath;
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}
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}
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}
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