private CompletionStatus GenerateDeshakerLogSegment(MediaEncoderSettings settings, string inputFile, int segment, long jobStart, long frameStart, long frameEnd, ProcessStartOptions jobOptions) {
// Write Deshaker Pass 1 script to file.
string Script = MediaEncoderScript.GenerateDeshakerScript(settings, inputFile, segment, frameStart, frameEnd);
File.WriteAllText(settings.DeshakerScript, Script);
// Run pass.
jobOptions.IsMainTask = true;
jobOptions.Title = "Running Deshaker Prescan";
jobOptions.ResumePos = frameStart - jobStart;
CompletionStatus Result = MediaEncoder.ConvertToAvi(settings.DeshakerScript, settings.DeshakerTempOut, false, jobOptions);
File.Delete(settings.DeshakerScript);
File.Delete(settings.DeshakerTempOut);
return Result;
}
public async Task PreparePreviewFile(MediaEncoderSettings settings, bool overwrite, bool calcAutoCrop) {
if (string.IsNullOrEmpty(settings.FilePath))
return;
if (overwrite) {
File.Delete(PathManager.PreviewSourceFile);
// Select default open method.
if (settings.FilePath.ToLower().EndsWith(".avi"))
settings.ConvertToAvi = false;
else {
FFmpegProcess FileInfo = await Task.Run(() => MediaInfo.GetFileInfo(settings.FilePath));
if (settings.ConvertToAvi && FileInfo?.VideoStream?.Height >= 720)
settings.ConvertToAvi = false;
}
}
bool AviFileReady = File.Exists(PathManager.PreviewSourceFile);
if (!AviFileReady && settings.ConvertToAvi)
AviFileReady = await Task.Run(() => MediaEncoder.ConvertToAvi(settings.FilePath, PathManager.PreviewSourceFile, true, new ProcessStartOptions(FFmpegDisplayMode.Interface, "Converting to AVI"))) == CompletionStatus.Success;
if (AviFileReady && settings.ConvertToAvi)
await GetMediaInfo(PathManager.PreviewSourceFile, settings);
else {
settings.ConvertToAvi = false;
await GetMediaInfo(settings.FilePath, settings);
}
// Auto-calculate crop settings.
if (calcAutoCrop) {
if (settings.CropLeft == 0 && settings.CropTop == 0 && settings.CropRight == 0 && settings.CropBottom == 0) {
Rect AutoCrop = await Task.Run(() => EncoderBusiness.GetAutoCropRect(settings.FilePath, settings.SourceHeight ?? 0, settings.SourceWidth ?? 0, null));
if (settings.CropLeft == 0)
settings.CropLeft = AutoCrop.Left;
if (settings.CropTop == 0)
settings.CropTop = AutoCrop.Top;
if (settings.CropRight == 0)
settings.CropRight = AutoCrop.Right;
if (settings.CropBottom == 0)
settings.CropBottom = AutoCrop.Bottom;
}
}
}