mirror of
https://github.com/n00mkrad/flowframes.git
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248 lines
11 KiB
C#
248 lines
11 KiB
C#
using Flowframes.Data;
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using Flowframes.IO;
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using Flowframes.MiscUtils;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Threading.Tasks;
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namespace Flowframes.Main
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{
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class FrameOrder
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{
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static Stopwatch benchmark = new Stopwatch();
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static FileInfo[] frameFiles;
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static FileInfo[] frameFilesWithoutLast;
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static List<string> sceneFrames = new List<string>();
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static Dictionary<int, string> frameFileContents = new Dictionary<int, string>();
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static List<string> inputFilenames = new List<string>();
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static int lastOutFileCount;
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public static async Task CreateFrameOrderFile(string framesPath, bool loopEnabled, float times)
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{
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Logger.Log("Generating frame order information...");
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try
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{
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foreach (FileInfo file in IoUtils.GetFileInfosSorted(framesPath.GetParentDir(), false, $"{Paths.frameOrderPrefix}*.*"))
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file.Delete();
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benchmark.Restart();
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await CreateEncFile(framesPath, loopEnabled, times);
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Logger.Log($"Generating frame order information... Done.", false, true);
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Logger.Log($"Generated frame order info file in {benchmark.ElapsedMilliseconds} ms", true);
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}
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catch (Exception e)
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{
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Logger.Log($"Error generating frame order information: {e.Message}\n{e.StackTrace}");
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}
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}
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static Dictionary<string, int> dupesDict = new Dictionary<string, int>();
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static void LoadDupesFile(string path)
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{
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dupesDict.Clear();
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if (!File.Exists(path)) return;
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string[] dupesFileLines = IoUtils.ReadLines(path);
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foreach (string line in dupesFileLines)
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{
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string[] values = line.Split(':');
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dupesDict.Add(values[0], values[1].GetInt());
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}
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}
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public static async Task CreateEncFile(string framesPath, bool loopEnabled, float interpFactor)
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{
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if (Interpolate.canceled) return;
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Logger.Log($"Generating frame order information for {interpFactor}x...", false, true);
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bool loop = Config.GetBool(Config.Key.enableLoop);
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bool sceneDetection = true;
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string ext = Interpolate.current.interpExt;
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frameFileContents.Clear();
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lastOutFileCount = 0;
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frameFiles = new DirectoryInfo(framesPath).GetFiles("*" + Interpolate.current.framesExt);
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frameFilesWithoutLast = frameFiles;
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Array.Resize(ref frameFilesWithoutLast, frameFilesWithoutLast.Length - 1);
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string framesFile = Path.Combine(framesPath.GetParentDir(), Paths.GetFrameOrderFilename(interpFactor));
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string fileContent = "";
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string dupesFile = Path.Combine(framesPath.GetParentDir(), "dupes.ini");
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LoadDupesFile(dupesFile);
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string scnFramesPath = Path.Combine(framesPath.GetParentDir(), Paths.scenesDir);
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sceneFrames.Clear();
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if (Directory.Exists(scnFramesPath))
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sceneFrames = Directory.GetFiles(scnFramesPath).Select(file => GetNameNoExt(file)).ToList();
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inputFilenames.Clear();
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bool debug = Config.GetBool("frameOrderDebug", false);
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List<Task> tasks = new List<Task>();
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int linesPerTask = (400 / interpFactor).RoundToInt();
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int num = 0;
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int targetFrameCount = (frameFiles.Length * interpFactor).RoundToInt() - InterpolateUtils.GetRoundedInterpFramesPerInputFrame(interpFactor);
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if(interpFactor == (int)interpFactor) // Use old multi-threaded code if factor is not fractional
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{
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for (int i = 0; i < frameFilesWithoutLast.Length; i += linesPerTask)
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{
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tasks.Add(GenerateFrameLines(num, i, linesPerTask, (int)interpFactor, sceneDetection, debug));
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num++;
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}
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}
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else
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{
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await GenerateFrameLinesFloat(frameFiles.Length, targetFrameCount, interpFactor, sceneDetection, debug);
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}
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await Task.WhenAll(tasks);
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for (int x = 0; x < frameFileContents.Count; x++)
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fileContent += frameFileContents[x];
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lastOutFileCount++;
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if (Config.GetBool(Config.Key.fixOutputDuration)) // Match input duration by padding duping last frame until interp frames == (inputframes * factor)
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{
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int neededFrames = (frameFiles.Length * interpFactor).RoundToInt() - fileContent.SplitIntoLines().Where(x => x.StartsWith("'file ")).Count();
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for (int i = 0; i < neededFrames; i++)
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fileContent += fileContent.SplitIntoLines().Where(x => x.StartsWith("'file ")).Last();
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}
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//int lastFrameTimes = Config.GetBool(Config.Key.fixOutputDuration) ? (int)interpFactor : 1;
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//
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//for (int i = 0; i < lastFrameTimes; i++)
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//{
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// fileContent += $"{(i > 0 ? "\n" : "")}file '{Paths.interpDir}/{lastOutFileCount.ToString().PadLeft(Padding.interpFrames, '0')}{ext}'"; // Last frame (source)
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// inputFilenames.Add(frameFiles.Last().Name);
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//}
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if (loop)
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{
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fileContent = fileContent.Remove(fileContent.LastIndexOf("\n"));
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//inputFilenames.Remove(inputFilenames.Last());
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}
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File.WriteAllText(framesFile, fileContent);
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File.WriteAllText(framesFile + ".inputframes.json", JsonConvert.SerializeObject(inputFilenames, Formatting.Indented));
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}
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static async Task GenerateFrameLinesFloat(int sourceFrameCount, int targetFrameCount, float factor, bool sceneDetection, bool debug)
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{
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int totalFileCount = 0;
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string ext = Interpolate.current.interpExt;
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Fraction step = new Fraction(sourceFrameCount, targetFrameCount + InterpolateUtils.GetRoundedInterpFramesPerInputFrame(factor));
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string fileContent = "";
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for (int i = 0; i < targetFrameCount; i++)
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{
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if (Interpolate.canceled) return;
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float currentFrameTime = 1 + (step * i).GetFloat();
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string filename = $"{Paths.interpDir}/{(i + 1).ToString().PadLeft(Padding.interpFrames, '0')}{ext}";
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int sourceFrameIdx = (int)Math.Floor(currentFrameTime) - 1;
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string timestep = (currentFrameTime - (int)Math.Floor(currentFrameTime)).ToString("0.000000").Split('.').Last();
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string frames = sourceFrameIdx + 1 >= frameFiles.Length ? $"{frameFiles[sourceFrameIdx].Name}" : $"{frameFiles[sourceFrameIdx].Name} to {frameFiles[sourceFrameIdx + 1].Name}";
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string note = $"Output frame {(i+1).ToString().PadLeft(8, '0')} => {frames} at {timestep}";
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fileContent += $"file '{filename}' # {note}\n";
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}
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if (totalFileCount > lastOutFileCount)
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lastOutFileCount = totalFileCount;
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frameFileContents[0] = fileContent;
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}
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static async Task GenerateFrameLines(int number, int startIndex, int count, int factor, bool sceneDetection, bool debug)
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{
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int totalFileCount = (startIndex) * factor;
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int interpFramesAmount = factor;
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string ext = Interpolate.current.interpExt;
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string fileContent = "";
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for (int i = startIndex; i < (startIndex + count); i++)
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{
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if (Interpolate.canceled) return;
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if (i >= frameFilesWithoutLast.Length) break;
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string frameName = GetNameNoExt(frameFilesWithoutLast[i].Name);
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string frameNameImport = GetNameNoExt(FrameRename.importFilenames[i]);
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int dupesAmount = dupesDict.ContainsKey(frameNameImport) ? dupesDict[frameNameImport] : 0;
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bool discardThisFrame = (sceneDetection && i < frameFilesWithoutLast.Length && sceneFrames.Contains(GetNameNoExt(FrameRename.importFilenames[i + 1]))); // i+2 is in scene detection folder, means i+1 is ugly interp frame
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for (int frm = 0; frm < interpFramesAmount; frm++) // Generate frames file lines
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{
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if (discardThisFrame) // If frame is scene cut frame
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{
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string frameBeforeScn = i.ToString().PadLeft(Padding.inputFramesRenamed, '0') + Path.GetExtension(FrameRename.importFilenames[i]);
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string frameAfterScn = (i + 1).ToString().PadLeft(Padding.inputFramesRenamed, '0') + Path.GetExtension(FrameRename.importFilenames[i + 1]);
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string scnChangeNote = $"SCN:{frameBeforeScn}>{frameAfterScn}";
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totalFileCount++;
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fileContent = WriteFrameWithDupes(dupesAmount, fileContent, totalFileCount, ext, debug, $"[In: {frameName}] [{((frm == 0) ? " Source " : $"Interp {frm}")}]", scnChangeNote);
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if (Config.GetInt(Config.Key.sceneChangeFillMode) == 0) // Duplicate last frame
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{
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int lastNum = totalFileCount;
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for (int dupeCount = 1; dupeCount < interpFramesAmount; dupeCount++)
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{
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totalFileCount++;
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fileContent = WriteFrameWithDupes(dupesAmount, fileContent, lastNum, ext, debug, $"[In: {frameName}] [DISCARDED]");
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}
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}
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else
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{
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for (int dupeCount = 1; dupeCount < interpFramesAmount; dupeCount++)
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{
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totalFileCount++;
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fileContent = WriteFrameWithDupes(dupesAmount, fileContent, totalFileCount, ext, debug, $"[In: {frameName}] [BLEND FRAME]");
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}
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}
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frm = interpFramesAmount;
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}
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else
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{
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totalFileCount++;
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fileContent = WriteFrameWithDupes(dupesAmount, fileContent, totalFileCount, ext, debug, $"[In: {frameName}] [{((frm == 0) ? " Source " : $"Interp {frm}")}]");
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}
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inputFilenames.Add(frameFilesWithoutLast[i].Name);
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}
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}
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if (totalFileCount > lastOutFileCount)
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lastOutFileCount = totalFileCount;
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frameFileContents[number] = fileContent;
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}
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static string WriteFrameWithDupes(int dupesAmount, string fileContent, int frameNum, string ext, bool debug, string debugNote = "", string forcedNote = "")
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{
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for (int writtenDupes = -1; writtenDupes < dupesAmount; writtenDupes++) // Write duplicates
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fileContent += $"file '{Paths.interpDir}/{frameNum.ToString().PadLeft(Padding.interpFrames, '0')}{ext}' # {(debug ? ($"Dupe {(writtenDupes + 1).ToString("000")} {debugNote}").Replace("Dupe 000", " ") : "")}{forcedNote}\n";
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return fileContent;
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}
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static string GetNameNoExt(string path)
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{
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return Path.GetFileNameWithoutExtension(path);
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}
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}
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}
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