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.");
}
}