public static async Task MainLoop(string interpFramesPath)
{
if (!AutoEncodeResume.resumeNextRun)
{
AutoEncodeResume.Reset();
}
debug = Config.GetBool("autoEncDebug", false);
try
{
UpdateChunkAndBufferSizes();
bool imgSeq = Interpolate.current.outMode.ToString().ToLower().StartsWith("img");
interpFramesFolder = interpFramesPath;
videoChunksFolder = Path.Combine(interpFramesPath.GetParentDir(), Paths.chunksDir);
if (Interpolate.currentlyUsingAutoEnc)
{
Directory.CreateDirectory(videoChunksFolder);
}
encodedFrameLines.Clear();
unencodedFrameLines.Clear();
Logger.Log($"[AE] Starting AutoEncode MainLoop - Chunk Size: {chunkSize} Frames - Safety Buffer: {safetyBufferFrames} Frames", true);
int chunkNo = AutoEncodeResume.encodedChunks + 1;
string encFile = Path.Combine(interpFramesPath.GetParentDir(), Paths.GetFrameOrderFilename(Interpolate.current.interpFactor));
interpFramesLines = IoUtils.ReadLines(encFile).Select(x => x.Split('/').Last().Remove("'").Split('#').First()).ToArray(); // Array with frame filenames
while (!Interpolate.canceled && GetInterpFramesAmount() < 2)
{
await Task.Delay(1000);
}
int lastEncodedFrameNum = 0;
while (HasWorkToDo()) // Loop while proc is running and not all frames have been encoded
{
if (Interpolate.canceled)
{
return;
}
if (paused)
{
await Task.Delay(200);
continue;
}
unencodedFrameLines.Clear();
bool aiRunning = !AiProcess.lastAiProcess.HasExited;
for (int frameLineNum = lastEncodedFrameNum; frameLineNum < interpFramesLines.Length; frameLineNum++)
{
if (aiRunning && interpFramesLines[frameLineNum].Contains(InterpolationProgress.lastFrame.ToString().PadLeft(Padding.interpFrames, '0')))
{
break;
}
unencodedFrameLines.Add(frameLineNum);
}
if (Config.GetBool(Config.Key.alwaysWaitForAutoEnc))
{
int maxFrames = chunkSize + (0.5f * chunkSize).RoundToInt() + safetyBufferFrames;
bool overwhelmed = unencodedFrameLines.Count > maxFrames;
if (overwhelmed && !AiProcessSuspend.aiProcFrozen && OsUtils.IsProcessHidden(AiProcess.lastAiProcess))
{
string dirSize = FormatUtils.Bytes(IoUtils.GetDirSize(Interpolate.current.interpFolder, true));
Logger.Log($"AutoEnc is overwhelmed! ({unencodedFrameLines.Count} unencoded frames > {maxFrames}) - Pausing.", true);
AiProcessSuspend.SuspendResumeAi(true);
}
else if (!overwhelmed && AiProcessSuspend.aiProcFrozen)
{
AiProcessSuspend.SuspendResumeAi(false);
}
}
if (unencodedFrameLines.Count > 0 && (unencodedFrameLines.Count >= (chunkSize + safetyBufferFrames) || !aiRunning)) // Encode every n frames, or after process has exited
{
try
{
List <int> frameLinesToEncode = aiRunning ? unencodedFrameLines.Take(chunkSize).ToList() : unencodedFrameLines; // Take all remaining frames if process is done
string lastOfChunk = Path.Combine(interpFramesPath, interpFramesLines[frameLinesToEncode.Last()]);
if (!File.Exists(lastOfChunk))
{
if (debug)
{
Logger.Log($"[AE] Last frame of chunk doesn't exist; skipping loop iteration ({lastOfChunk})", true);
}
await Task.Delay(500);
continue;
}
busy = true;
string outpath = Path.Combine(videoChunksFolder, "chunks", $"{chunkNo.ToString().PadLeft(4, '0')}{FfmpegUtils.GetExt(Interpolate.current.outMode)}");
string firstFile = Path.GetFileName(interpFramesLines[frameLinesToEncode.First()].Trim());
string lastFile = Path.GetFileName(interpFramesLines[frameLinesToEncode.Last()].Trim());
Logger.Log($"[AE] Encoding Chunk #{chunkNo} to using line {frameLinesToEncode.First()} ({firstFile}) through {frameLinesToEncode.Last()} ({lastFile}) - {unencodedFrameLines.Count} unencoded frames left in total", true, false, "ffmpeg");
await Export.EncodeChunk(outpath, Interpolate.current.interpFolder, chunkNo, Interpolate.current.outMode, frameLinesToEncode.First(), frameLinesToEncode.Count);
if (Interpolate.canceled)
{
return;
}
if (aiRunning && Config.GetInt(Config.Key.autoEncMode) == 2)
{
Task.Run(() => DeleteOldFramesAsync(interpFramesPath, frameLinesToEncode));
}
if (Interpolate.canceled)
{
return;
}
encodedFrameLines.AddRange(frameLinesToEncode);
Logger.Log("[AE] Done Encoding Chunk #" + chunkNo, true, false, "ffmpeg");
lastEncodedFrameNum = (frameLinesToEncode.Last() + 1);
chunkNo++;
AutoEncodeResume.Save();
if (!imgSeq && Config.GetInt(Config.Key.autoEncBackupMode) > 0)
{
if (aiRunning && (currentMuxTask == null || (currentMuxTask != null && currentMuxTask.IsCompleted)))
{
currentMuxTask = Task.Run(() => Export.ChunksToVideo(Interpolate.current.tempFolder, videoChunksFolder, Interpolate.current.outPath, true));
}
else
{
Logger.Log($"[AE] Skipping backup because {(!aiRunning ? "this is the final chunk" : "previous mux task has not finished yet")}!", true, false, "ffmpeg");
}
}
busy = false;
}
catch (Exception e)
{
Logger.Log($"AutoEnc Chunk Encoding Error: {e.Message}. Stack Trace:\n{e.StackTrace}");
Interpolate.Cancel("Auto-Encode encountered an error.");
}
}
await Task.Delay(50);
}
if (Interpolate.canceled)
{
return;
}
while (currentMuxTask != null && !currentMuxTask.IsCompleted)
{
await Task.Delay(100);
}
if (imgSeq)
{
return;
}
await Export.ChunksToVideo(Interpolate.current.tempFolder, videoChunksFolder, Interpolate.current.outPath);
}
catch (Exception e)
{
Logger.Log($"AutoEnc Error: {e.Message}. Stack Trace:\n{e.StackTrace}");
Interpolate.Cancel("Auto-Encode encountered an error.");
}
}
public static async Task <bool> PrepareResumedRun() // Remove already interpolated frames, return true if interpolation should be skipped
{
if (!resumeNextRun)
{
return(false);
}
try
{
string chunkJsonPath = Path.Combine(I.current.tempFolder, Paths.resumeDir, chunksFilename);
string inFramesJsonPath = Path.Combine(I.current.tempFolder, Paths.resumeDir, inputFramesFilename);
dynamic chunksData = JsonConvert.DeserializeObject(File.ReadAllText(chunkJsonPath));
encodedChunks = chunksData.encodedChunks;
encodedFrames = chunksData.encodedFrames;
List <string> processedInputFrames = JsonConvert.DeserializeObject <List <string> >(File.ReadAllText(inFramesJsonPath));
int uniqueInputFrames = processedInputFrames.Distinct().Count();
foreach (string inputFrameName in processedInputFrames)
{
string inputFrameFullPath = Path.Combine(I.current.tempFolder, Paths.framesDir, inputFrameName);
IoUtils.TryDeleteIfExists(inputFrameFullPath);
}
string videoChunksFolder = Path.Combine(I.current.tempFolder, Paths.chunksDir);
FileInfo[] invalidChunks = IoUtils.GetFileInfosSorted(videoChunksFolder, true, "????.*").Skip(encodedChunks).ToArray();
foreach (FileInfo chunk in invalidChunks)
{
chunk.Delete();
}
int inputFramesLeft = IoUtils.GetAmountOfFiles(Path.Combine(I.current.tempFolder, Paths.framesDir), false);
Logger.Log($"Resume: Already encoded {encodedFrames} frames in {encodedChunks} chunks. There are now {inputFramesLeft} input frames left to interpolate.");
if (inputFramesLeft < 2)
{
if (IoUtils.GetAmountOfFiles(videoChunksFolder, true, "*.*") > 0)
{
Logger.Log($"No more frames left to interpolate - Merging existing video chunks instead.");
await Export.ChunksToVideo(I.current.tempFolder, videoChunksFolder, I.current.outPath);
await I.Done();
}
else
{
I.Cancel("There are no more frames left to interpolate in this temp folder!");
}
return(true);
}
return(false);
}
catch (Exception e)
{
Logger.Log($"Failed to prepare resumed run: {e.Message}\n{e.StackTrace}");
I.Cancel("Failed to resume interpolation. Check the logs for details.");
resumeNextRun = false;
return(true);
}
// string stateFilepath = Path.Combine(I.current.tempFolder, Paths.resumeDir, resumeFilename);
// ResumeState state = new ResumeState(File.ReadAllText(stateFilepath));
//
// string fileMapFilepath = Path.Combine(I.current.tempFolder, Paths.resumeDir, filenameMapFilename);
// List<string> inputFrameLines = File.ReadAllLines(fileMapFilepath).Where(l => l.Trim().Length > 3).ToList();
// List<string> inputFrames = inputFrameLines.Select(l => Path.Combine(I.current.framesFolder, l.Split('|')[1])).ToList();
//
// for (int i = 0; i < state.interpolatedInputFrames; i++)
// {
// IoUtils.TryDeleteIfExists(inputFrames[i]);
// if (i % 1000 == 0) await Task.Delay(1);
// }
//
// Directory.Move(I.current.interpFolder, I.current.interpFolder + Paths.prevSuffix); // Move existing interp frames
// Directory.CreateDirectory(I.current.interpFolder); // Re-create empty interp folder
}