private string GenerateCommandLine()
{
var sb = new StringBuilder();
var fps = _currentTask.VideoStream.Fps;
int vidStream;
var tempExt = Path.GetExtension(_currentTask.VideoStream.TempFile);
if (_currentTask.VideoStream.IsRawStream)
{
vidStream = 0;
}
else if ((_currentTask.Input == InputType.InputAvi) && (!_currentTask.VideoStream.Encoded))
{
vidStream = 0;
}
else if ((_currentTask.VideoStream.Encoded) || (tempExt == ".mp4"))
{
vidStream = 0;
}
else
{
vidStream = _currentTask.VideoStream.StreamId;
}
_outputFile = !string.IsNullOrEmpty(_currentTask.TempOutput)
? _currentTask.TempOutput
: _currentTask.OutputFile;
var fpsStr = string.Empty;
if (_currentTask.VideoStream.IsRawStream)
{
fpsStr = _currentTask.VideoStream.FrameRateEnumerator == 0 || _appConfig.LastMp4BoxVer.StartsWith("0.5")
? $":fps={fps:0.000}".ToString(_appConfig.CInfo)
: $":fps={_currentTask.VideoStream.FrameRateEnumerator:0}/{_currentTask.VideoStream.FrameRateDenominator:0}";
}
sb.Append($"-add \"{_currentTask.VideoStream.TempFile}#video:trackID={vidStream:0}{fpsStr}:lang=eng\" -keep-sys ");
_streamImportCount = 1;
foreach (var item in _currentTask.AudioStreams)
{
var itemlang = item.LangCode;
if ((itemlang == "xx") || (string.IsNullOrEmpty(itemlang)))
{
itemlang = "und";
}
var delayString = string.Empty;
if (item.Delay != 0)
{
delayString = $":delay={item.Delay:0}";
}
sb.Append($"-add \"{item.TempFile}#audio:lang={itemlang}{delayString}\" -keep-sys ");
_streamImportCount++;
}
foreach (var item in _currentTask.SubtitleStreams)
{
if (item.Format.ToLowerInvariant() != "utf-8")
{
continue;
}
if (!File.Exists(item.TempFile))
{
continue;
}
var itemlang = item.LangCode;
if ((itemlang == "xx") || (string.IsNullOrEmpty(itemlang)))
{
itemlang = "und";
}
var delayString = string.Empty;
if (item.Delay != 0)
{
delayString = $":delay={item.Delay:0}";
}
sb.Append($"-add \"{item.TempFile}#lang={itemlang}{delayString}:name={LanguageHelper.GetLanguage(itemlang).FullLang}\" -keep-sys ");
_streamImportCount++;
}
if (_currentTask.Chapters.Count > 1)
{
var chapterFile = FileSystemHelper.CreateTempFile(
_appConfig.DemuxLocation,
!string.IsNullOrEmpty(_currentTask.TempOutput)
? _currentTask.TempOutput
: _currentTask.OutputFile,
"chapters.ttxt");
var xmlSettings = new XmlWriterSettings
{
Indent = true,
IndentChars = " ",
Encoding = Encoding.UTF8,
NewLineHandling = NewLineHandling.Entitize,
ConformanceLevel = ConformanceLevel.Auto,
CloseOutput = true
};
var writer = XmlWriter.Create(chapterFile, xmlSettings);
writer.WriteStartDocument(true);
writer.WriteStartElement("TextStream");
writer.WriteAttributeString("version", "1.1");
int temp;
var subHeight = Math.DivRem(_currentTask.VideoStream.Height, 3, out temp);
subHeight += temp;
writer.WriteStartElement("TextStreamHeader");
writer.WriteAttributeString("width", _currentTask.VideoStream.Width.ToString("G"));
writer.WriteAttributeString("height", subHeight.ToString("G"));
writer.WriteAttributeString("layer", "0");
writer.WriteAttributeString("translation_x", "0");
writer.WriteAttributeString("translation_y", "0");
writer.WriteStartElement("TextSampleDescription");
writer.WriteAttributeString("horizontalJustification", "center");
writer.WriteAttributeString("verticalJustification", "bottom");
writer.WriteAttributeString("backColor", "0 0 0 0");
writer.WriteAttributeString("verticalText", "no");
writer.WriteAttributeString("fillTextRegion", "no");
writer.WriteAttributeString("continousKaraoke", "no");
writer.WriteAttributeString("scroll", "None");
writer.WriteStartElement("FontTable");
writer.WriteStartElement("FontTableEntry");
writer.WriteAttributeString("fontName", "Arial");
writer.WriteAttributeString("fontID", "1");
writer.WriteEndElement(); // FontTableEntry
writer.WriteEndElement(); // FontTable
writer.WriteStartElement("TextBox");
writer.WriteAttributeString("top", "0");
writer.WriteAttributeString("left", "0");
writer.WriteAttributeString("bottom", _currentTask.VideoStream.Height.ToString("G"));
writer.WriteAttributeString("right", _currentTask.VideoStream.Width.ToString("G"));
writer.WriteEndElement(); // TextBox
writer.WriteStartElement("Style");
writer.WriteAttributeString("styles", "Normal");
writer.WriteAttributeString("fontID", "1");
writer.WriteAttributeString("fontSize", "32");
writer.WriteAttributeString("color", "ff ff ff ff");
writer.WriteEndElement(); // Style
writer.WriteEndElement(); // TextSampleDescription
writer.WriteEndElement(); // TextStreamHeader
for (var index = 0; index < _currentTask.Chapters.Count; index++)
{
var dt = DateTime.MinValue.Add(_currentTask.Chapters[index]);
writer.WriteStartElement("TextSample");
writer.WriteAttributeString("sampleTime", dt.ToString("HH:mm:ss.fff"));
writer.WriteValue($"Chapter {index + 1:0}");
writer.WriteEndElement(); // TextSample
}
writer.WriteEndElement(); // TextStream
writer.WriteEndDocument();
writer.Flush();
writer.Close();
sb.Append($" -add \"{chapterFile}:chap\"");
_currentTask.TempFiles.Add(chapterFile);
_streamImportCount++;
}
var tool = $"{AppConfigService.GetProductName()} v{AppConfigService.GetAppVersion().ToString(4)}";
var tempPath = _appConfig.DemuxLocation;
sb.Append($"-itags tool=\"{tool}\" -tmp \"{tempPath}\" -new \"{_outputFile}\"");
return(sb.ToString());
}