/// <summary>
/// opens a dgindex script
/// if the file can be properly opened, auto-cropping is performed, then depending on the AR settings
/// the proper resolution for automatic resizing, taking into account the derived cropping values
/// is calculated, and finally the avisynth script is written and its name returned
/// </summary>
/// <param name="path">dgindex script</param>
/// <param name="aspectRatio">aspect ratio selection to be used</param>
/// <param name="customDAR">custom display aspect ratio for this source</param>
/// <param name="horizontalResolution">desired horizontal resolution of the output</param>
/// <param name="settings">the codec settings (used only for x264)</param>
/// <param name="sarX">pixel aspect ratio X</param>
/// <param name="sarY">pixel aspect ratio Y</param>
/// <param name="height">the final height of the video</param>
/// <param name="signalAR">whether or not ar signalling is to be used for the output
/// (depending on this parameter, resizing changes to match the source AR)</param>
/// <returns>the name of the AviSynth script created, empty of there was an error</returns>
private string openVideo(string path, Dar?AR, int horizontalResolution,
bool signalAR, LogItem log, AviSynthSettings avsSettings, bool autoDeint,
VideoCodecSettings settings, out Dar?dar)
{
dar = null;
IMediaFile d2v = new d2vFile(path);
IVideoReader reader = d2v.GetVideoReader();
if (reader.FrameCount < 1)
{
log.Error("DGDecode reported 0 frames in this file. This is a fatal error. Please recreate the DGIndex project");
return("");
}
//Autocrop
CropValues final = Autocrop.autocrop(reader);
if (signalAR)
{
if (avsSettings.Mod16Method == mod16Method.overcrop)
{
ScriptServer.overcrop(ref final);
}
else if (avsSettings.Mod16Method == mod16Method.mod4Horizontal)
{
ScriptServer.cropMod4Horizontal(ref final);
}
else if (avsSettings.Mod16Method == mod16Method.undercrop)
{
ScriptServer.undercrop(ref final);
}
}
bool error = (final.left == -1);
if (!error)
{
log.LogValue("Autocrop values", final);
}
else
{
log.Error("Autocrop failed, aborting now");
return("");
}
decimal customDAR;
log.LogValue("Auto-detect aspect ratio now", AR == null);
//Check if AR needs to be autodetected now
if (AR == null) // it does
{
customDAR = d2v.Info.DAR.ar;
if (customDAR > 0)
{
log.LogValue("Aspect ratio", customDAR);
}
else
{
customDAR = Dar.ITU16x9PAL.ar;
log.Warn(string.Format("No aspect ratio found, defaulting to {0}.", customDAR));
}
}
else
{
customDAR = AR.Value.ar;
}
// Minimise upsizing
int sourceHorizontalResolution = (int)d2v.Info.Width - final.right - final.left;
if (horizontalResolution > sourceHorizontalResolution)
{
if (avsSettings.Mod16Method == mod16Method.resize)
{
while (horizontalResolution > sourceHorizontalResolution + 16)
{
horizontalResolution -= 16;
}
}
else
{
horizontalResolution = sourceHorizontalResolution;
}
}
//Suggest a resolution (taken from AvisynthWindow.suggestResolution_CheckedChanged)
int scriptVerticalResolution = Resolution.suggestResolution(d2v.Info.Height, d2v.Info.Width, (double)customDAR,
final, horizontalResolution, signalAR, mainForm.Settings.AcceptableAspectErrorPercent, out dar);
log.LogValue("Output resolution", horizontalResolution + "x" + scriptVerticalResolution);
if (settings != null && settings is x264Settings) // verify that the video corresponds to the chosen avc level, if not, change the resolution until it does fit
{
x264Settings xs = (x264Settings)settings;
if (xs.Level != 15)
{
AVCLevels al = new AVCLevels();
log.LogValue("AVC level", al.getLevels()[xs.Level]);
int compliantLevel = 15;
while (!this.al.validateAVCLevel(horizontalResolution, scriptVerticalResolution, d2v.Info.FPS, xs, out compliantLevel))
{ // resolution not profile compliant, reduce horizontal resolution by 16, get the new vertical resolution and try again
string levelName = al.getLevels()[xs.Level];
horizontalResolution -= 16;
scriptVerticalResolution = Resolution.suggestResolution(d2v.Info.Height, d2v.Info.Width, (double)customDAR,
final, horizontalResolution, signalAR, mainForm.Settings.AcceptableAspectErrorPercent, out dar);
}
log.LogValue("Resolution adjusted for AVC Level", horizontalResolution + "x" + scriptVerticalResolution);
}
}
//Generate the avs script based on the template
string inputLine = "#input";
string deinterlaceLines = "#deinterlace";
string denoiseLines = "#denoise";
string cropLine = "#crop";
string resizeLine = "#resize";
inputLine = ScriptServer.GetInputLine(path, false, PossibleSources.d2v,
false, false, false, 0);
log.LogValue("Automatic deinterlacing", autoDeint);
if (autoDeint)
{
string d2vPath = path;
SourceDetector sd = new SourceDetector(inputLine, d2vPath, false,
mainForm.Settings.SourceDetectorSettings,
new UpdateSourceDetectionStatus(analyseUpdate),
new FinishedAnalysis(finishedAnalysis));
finished = false;
sd.analyse();
waitTillAnalyseFinished();
deinterlaceLines = filters[0].Script;
log.LogValue("Deinterlacing used", deinterlaceLines);
}
inputLine = ScriptServer.GetInputLine(path, interlaced, PossibleSources.d2v, avsSettings.ColourCorrect, avsSettings.MPEG2Deblock, false, 0);
cropLine = ScriptServer.GetCropLine(true, final);
denoiseLines = ScriptServer.GetDenoiseLines(avsSettings.Denoise, (DenoiseFilterType)avsSettings.DenoiseMethod);
resizeLine = ScriptServer.GetResizeLine(!signalAR || avsSettings.Mod16Method == mod16Method.resize, horizontalResolution, scriptVerticalResolution, (ResizeFilterType)avsSettings.ResizeMethod);
string newScript = ScriptServer.CreateScriptFromTemplate(avsSettings.Template, inputLine, cropLine, resizeLine, denoiseLines, deinterlaceLines);
if (dar.HasValue)
{
newScript = string.Format("global MeGUI_darx = {0}\r\nglobal MeGUI_dary = {1}\r\n{2}", dar.Value.X, dar.Value.Y, newScript);
}
log.LogValue("Generated Avisynth script", newScript);
try
{
StreamWriter sw = new StreamWriter(Path.ChangeExtension(path, ".avs"));
sw.Write(newScript);
sw.Close();
}
catch (IOException i)
{
log.LogValue("Error saving AviSynth script", i, ImageType.Error);
return("");
}
return(Path.ChangeExtension(path, ".avs"));
}
/* private void getAudioStreams(Dictionary<int, string> audioFiles, OneClickWindow.PartialAudioStream[] partialAudioStream, out List<AudioJob> encodableAudioStreams, out List<MuxStream> muxOnlyAudioStreams)
* {
* muxOnlyAudioStreams = new List<MuxStream>();
* encodableAudioStreams = new List<AudioJob>();
* int counter = 0;
* foreach (OneClickWindow.PartialAudioStream propertiesStream in job.PostprocessingProperties.AudioStreams)
* {
* counter++; // The track number starts at 1, so we increment right here. This also ensures it will always be incremented
*
* bool error = false;
* string input = null, output = null, language = null;
* AudioCodecSettings settings = null;
* // Input
* if (string.IsNullOrEmpty(propertiesStream.input))
* continue; // Here we have an unconfigured stream. Let's just go on to the next one
*
* if (propertiesStream.useExternalInput)
* input = propertiesStream.input;
* else if (audioFiles.ContainsKey(propertiesStream.trackNumber))
* input = audioFiles[propertiesStream.trackNumber];
* else
* error = true;
*
* // Settings
* if (propertiesStream.dontEncode)
* settings = null;
* else if (propertiesStream.settings != null)
* settings = propertiesStream.settings;
* else
* error = true;
*
* // Output
* if (propertiesStream.dontEncode)
* output = input;
* else if (!error)
* output = Path.Combine(
* Path.GetDirectoryName(input),
* Path.GetFileNameWithoutExtension(input) + "_" +
* propertiesStream.trackNumber + ".file");
*
* // Language
* if (!string.IsNullOrEmpty(propertiesStream.language))
* language = propertiesStream.language;
* else
* language = "";
*
* if (error)
* {
* logBuilder.AppendFormat("Trouble with audio track {0}. Skipping track...{1}", counter, Environment.NewLine);
* output = null;
* input = null;
* input = null;
* }
* else
* {
* if (propertiesStream.dontEncode)
* {
* MuxStream newStream = new MuxStream();
* newStream.path = input;
* newStream.name = "";
* newStream.language = language;
* muxOnlyAudioStreams.Add(newStream);
* }
* else
* {
* AudioJob encodeStream = new AudioJob();
* encodeStream.Input = input;
* encodeStream.Output = output;
* encodeStream.Settings = settings;
* encodableAudioStreams.Add(encodeStream);
* }
* }
* }
* }*/
/// <summary>
/// opens a dgindex script
/// if the file can be properly opened, auto-cropping is performed, then depending on the AR settings
/// the proper resolution for automatic resizing, taking into account the derived cropping values
/// is calculated, and finally the avisynth script is written and its name returned
/// </summary>
/// <param name="path">dgindex script</param>
/// <param name="aspectRatio">aspect ratio selection to be used</param>
/// <param name="customDAR">custom display aspect ratio for this source</param>
/// <param name="horizontalResolution">desired horizontal resolution of the output</param>
/// <param name="logBuilder">stringbuilder where to append log messages</param>
/// <param name="settings">the codec settings (used only for x264)</param>
/// <param name="sarX">pixel aspect ratio X</param>
/// <param name="sarY">pixel aspect ratio Y</param>
/// <param name="height">the final height of the video</param>
/// <param name="signalAR">whether or not ar signalling is to be used for the output
/// (depending on this parameter, resizing changes to match the source AR)</param>
/// <returns>the name of the AviSynth script created, empty of there was an error</returns>
private string openVideo(string path, Dar?AR, int horizontalResolution,
bool signalAR, StringBuilder logBuilder, AviSynthSettings avsSettings, bool autoDeint,
VideoCodecSettings settings, out Dar?dar)
{
dar = null;
IMediaFile d2v = new d2vFile(path);
IVideoReader reader = d2v.GetVideoReader();
if (reader.FrameCount < 1)
{
logBuilder.Append("DGDecode reported 0 frames in this file.\r\nThis is a fatal error.\r\n\r\nPlease recreate the DGIndex project");
return("");
}
//Autocrop
CropValues final = Autocrop.autocrop(reader);
if (signalAR)
{
if (avsSettings.Mod16Method == mod16Method.overcrop)
{
ScriptServer.overcrop(ref final);
}
else if (avsSettings.Mod16Method == mod16Method.mod4Horizontal)
{
ScriptServer.cropMod4Horizontal(ref final);
}
}
bool error = (final.left == -1);
if (!error)
{
logBuilder.Append("Autocropping successful. Using the following crop values: left: " + final.left +
", top: " + final.top + ", right: " + final.right + ", bottom: " + final.bottom + ".\r\n");
}
else
{
logBuilder.Append("Autocropping did not find 3 frames that have matching crop values\r\n"
+ "Autocrop failed, aborting now");
return("");
}
decimal customDAR;
//Check if AR needs to be autodetected now
if (AR == null) // it does
{
logBuilder.Append("Aspect Ratio set to auto-detect later, detecting now. ");
customDAR = d2v.Info.DAR.ar;
if (customDAR > 0)
{
logBuilder.AppendFormat("Found aspect ratio of {0}.{1}", customDAR, Environment.NewLine);
}
else
{
customDAR = Dar.ITU16x9PAL.ar;
logBuilder.AppendFormat("No aspect ratio found, defaulting to {0}.{1}", customDAR, Environment.NewLine);
}
}
else
{
customDAR = AR.Value.ar;
}
//Suggest a resolution (taken from AvisynthWindow.suggestResolution_CheckedChanged)
int scriptVerticalResolution = Resolution.suggestResolution(d2v.Info.Height, d2v.Info.Width, (double)customDAR,
final, horizontalResolution, signalAR, mainForm.Settings.AcceptableAspectErrorPercent, out dar);
if (settings != null && settings is x264Settings) // verify that the video corresponds to the chosen avc level, if not, change the resolution until it does fit
{
x264Settings xs = (x264Settings)settings;
if (xs.Level != 15)
{
int compliantLevel = 15;
while (!this.al.validateAVCLevel(horizontalResolution, scriptVerticalResolution, d2v.Info.FPS, xs, out compliantLevel))
{ // resolution not profile compliant, reduce horizontal resolution by 16, get the new vertical resolution and try again
AVCLevels al = new AVCLevels();
string levelName = al.getLevels()[xs.Level];
logBuilder.Append("Your chosen AVC level " + levelName + " is too strict to allow your chosen resolution of " +
horizontalResolution + "*" + scriptVerticalResolution + ". Reducing horizontal resolution by 16.\r\n");
horizontalResolution -= 16;
scriptVerticalResolution = Resolution.suggestResolution(d2v.Info.Height, d2v.Info.Width, (double)customDAR,
final, horizontalResolution, signalAR, mainForm.Settings.AcceptableAspectErrorPercent, out dar);
}
logBuilder.Append("Final resolution that is compatible with the chosen AVC Level: " + horizontalResolution + "*"
+ scriptVerticalResolution + "\r\n");
}
}
//Generate the avs script based on the template
string inputLine = "#input";
string deinterlaceLines = "#deinterlace";
string denoiseLines = "#denoise";
string cropLine = "#crop";
string resizeLine = "#resize";
inputLine = ScriptServer.GetInputLine(path, false, PossibleSources.d2v,
false, false, false, 0);
if (autoDeint)
{
logBuilder.AppendLine("Automatic deinterlacing was checked. Running now...");
string d2vPath = path;
SourceDetector sd = new SourceDetector(inputLine, d2vPath, false,
mainForm.Settings.SourceDetectorSettings,
new UpdateSourceDetectionStatus(analyseUpdate),
new FinishedAnalysis(finishedAnalysis));
finished = false;
sd.analyse();
waitTillAnalyseFinished();
deinterlaceLines = filters[0].Script;
logBuilder.AppendLine("Deinterlacing used: " + deinterlaceLines);
}
inputLine = ScriptServer.GetInputLine(path, interlaced, PossibleSources.d2v,
avsSettings.ColourCorrect, avsSettings.MPEG2Deblock, false, 0);
cropLine = ScriptServer.GetCropLine(true, final);
denoiseLines = ScriptServer.GetDenoiseLines(avsSettings.Denoise, (DenoiseFilterType)avsSettings.DenoiseMethod);
resizeLine = ScriptServer.GetResizeLine(!signalAR || avsSettings.Mod16Method == mod16Method.resize, horizontalResolution, scriptVerticalResolution, (ResizeFilterType)avsSettings.ResizeMethod);
string newScript = ScriptServer.CreateScriptFromTemplate(avsSettings.Template, inputLine, cropLine, resizeLine, denoiseLines, deinterlaceLines);
if (dar.HasValue)
{
newScript = string.Format("global MeGUI_darx = {0}\r\nglobal MeGUI_dary = {1}\r\n{2}", dar.Value.X, dar.Value.Y, newScript);
}
logBuilder.Append("Avisynth script created:\r\n");
logBuilder.Append(newScript);
try
{
StreamWriter sw = new StreamWriter(Path.ChangeExtension(path, ".avs"));
sw.Write(newScript);
sw.Close();
}
catch (IOException i)
{
logBuilder.Append("An error ocurred when trying to save the AviSynth script:\r\n" + i.Message);
return("");
}
return(Path.ChangeExtension(path, ".avs"));
}
