static async Task ExportImageSequence(string framesPath, bool stepByStep)
{
Program.mainForm.SetStatus("Copying output frames...");
string desiredFormat = Config.Get(Config.Key.imgSeqFormat).ToUpper();
string availableFormat = Path.GetExtension(IoUtils.GetFilesSorted(framesPath)[0]).Remove(".").ToUpper();
string max = Config.Get(Config.Key.maxFps);
Fraction maxFps = max.Contains("/") ? new Fraction(max) : new Fraction(max.GetFloat());
bool fpsLimit = maxFps.GetFloat() > 0f && I.current.outFps.GetFloat() > maxFps.GetFloat();
bool dontEncodeFullFpsSeq = fpsLimit && Config.GetInt(Config.Key.maxFpsMode) == 0;
string framesFile = Path.Combine(framesPath.GetParentDir(), Paths.GetFrameOrderFilename(I.current.interpFactor));
if (!dontEncodeFullFpsSeq)
{
string outputFolderPath = Path.Combine(I.current.outPath, await IoUtils.GetCurrentExportFilename(false, false));
IoUtils.RenameExistingFolder(outputFolderPath);
Logger.Log($"Exporting {desiredFormat.ToUpper()} frames to '{Path.GetFileName(outputFolderPath)}'...");
if (desiredFormat.ToUpper() == availableFormat.ToUpper()) // Move if frames are already in the desired format
{
await CopyOutputFrames(framesPath, framesFile, outputFolderPath, 1, fpsLimit, false);
}
else // Encode if frames are not in desired format
{
await FfmpegEncode.FramesToFrames(framesFile, outputFolderPath, 1, I.current.outFps, new Fraction(), desiredFormat, GetImgSeqQ(desiredFormat));
}
}
if (fpsLimit)
{
string outputFolderPath = Path.Combine(I.current.outPath, await IoUtils.GetCurrentExportFilename(true, false));
Logger.Log($"Exporting {desiredFormat.ToUpper()} frames to '{Path.GetFileName(outputFolderPath)}' (Resampled to {maxFps} FPS)...");
await FfmpegEncode.FramesToFrames(framesFile, outputFolderPath, 1, I.current.outFps, maxFps, desiredFormat, GetImgSeqQ(desiredFormat));
}
if (!stepByStep)
{
await IoUtils.DeleteContentsOfDirAsync(I.current.interpFolder);
}
}