private void PerformRequest()
{
bool replace = _overWrite;
string filename = _filename;
string strFolderThumb = string.Empty;
strFolderThumb = Util.Utils.GetLocalFolderThumbForDir(filename);
string strRemoteFolderThumb = string.Empty;
strRemoteFolderThumb = String.Format(@"{0}\folder.jpg", Util.Utils.RemoveTrailingSlash(filename));
if (Utils.FileExistsInCache(strRemoteFolderThumb))
{
// if there was no cached thumb although there was a folder.jpg then the user didn't scan his collection:
// -- punish him with slowness and create the thumbs for the next time...
try
{
Log.Info("FolderThumbCacher: Creating missing folder thumb cache for {0}", strRemoteFolderThumb);
string localFolderLThumb = Util.Utils.ConvertToLargeCoverArt(strFolderThumb);
if (!File.Exists(strFolderThumb) || replace)
{
Picture.CreateThumbnail(strRemoteFolderThumb, strFolderThumb, (int)Thumbs.ThumbResolution,
(int)Thumbs.ThumbResolution, 0, true, false, false);
{
// Generate Large Thumb
Picture.CreateThumbnail(strRemoteFolderThumb, localFolderLThumb, (int)Thumbs.ThumbLargeResolution,
(int)Thumbs.ThumbLargeResolution, 0, true, true, false);
}
}
}
catch (Exception ex)
{
Log.Error("FolderThumbCacher: Error processing {0} - {1}", strRemoteFolderThumb, ex);
}
}
else
{
Log.Debug("FolderThumbCacher: No folder thumb at {0}", strRemoteFolderThumb);
}
}
public static bool CreateVideoThumb(string aVideoPath, string aThumbPath, bool aCacheThumb, bool aOmitCredits)
{
if (NeedsConfigRefresh)
{
LoadSettings();
}
if (String.IsNullOrEmpty(aVideoPath) || String.IsNullOrEmpty(aThumbPath))
{
Log.Warn("VideoThumbCreator: Invalid arguments to generate thumbnails of your video!");
return(false);
}
if (!Util.Utils.FileExistsInCache(aVideoPath))
{
Log.Warn("VideoThumbCreator: File {0} not found!", aVideoPath);
return(false);
}
if (!Util.Utils.FileExistsInCache(ExtractorPath))
{
Log.Warn("VideoThumbCreator: No {0} found to generate thumbnails of your video!", ExtractApp);
return(false);
}
if (!LeaveShareThumb && !aCacheThumb)
{
Log.Warn(
"VideoThumbCreator: No share thumbs wanted by config option AND no caching wanted - where should the thumb go then? Aborting..");
return(false);
}
IVideoThumbBlacklist blacklist = GlobalServiceProvider.Get <IVideoThumbBlacklist>();
if (blacklist != null && blacklist.Contains(aVideoPath))
{
Log.Debug("Skipped creating thumbnail for {0}, it has been blacklisted because last attempt failed", aVideoPath);
return(false);
}
// Params for ffmpeg
// string ExtractorArgs = string.Format(" -i \"{0}\" -vframes 1 -ss {1} -s {2}x{3} \"{4}\"", aVideoPath, @"00:08:21", (int)Thumbs.ThumbLargeResolution, (int)Thumbs.ThumbLargeResolution, aThumbPath);
// Params for mplayer (outputs 00000001.jpg in video resolution into working dir) -vf scale=600:-3
//string ExtractorArgs = string.Format(" -noconsolecontrols -nosound -vo jpeg:quality=90 -vf scale -frames 1 -ss {0} \"{1}\"", "501", aVideoPath);
// Params for mtm (http://moviethumbnail.sourceforge.net/usage.en.html)
// -D 8 : edge detection; 0:off >0:on; higher detects more; try -D4 -D6 or -D8
// -B 420/E 600 : omit this seconds from the beginning / ending TODO: use pre- / postrecording values
// -c 2 / r 2 : # of column / # of rows
// -b 0.60 : skip if % blank is higher; 0:skip all 1:skip really blank >1:off
// -h 100 : minimum height of each shot; will reduce # of column to fit
// -t : time stamp off
// -i : info text off
// -w 0 : width of output image; 0:column * movie width
// -n : run at normal priority
// -W : dont overwrite existing files, i.e. update mode
// -P : dont pause before exiting; override -p
const double flblank = 0.6;
string blank = flblank.ToString("F", CultureInfo.CurrentCulture);
int preGapSec = 5;
int postGapSec = 5;
if (aOmitCredits)
{
preGapSec = 420;
postGapSec = 600;
}
bool Success = false;
string ExtractorArgs = string.Format(" -D 6 -B {0} -E {1} -c {2} -r {3} -b {4} -t -i -w {5} -n -P \"{6}\"",
preGapSec, postGapSec, PreviewColumns, PreviewRows, blank, 0, aVideoPath);
string ExtractorFallbackArgs = string.Format(
" -D 8 -B {0} -E {1} -c {2} -r {3} -b {4} -t -i -w {5} -n -P \"{6}\"", 0, 0, PreviewColumns, PreviewRows, blank,
0, aVideoPath);
// Honour we are using a unix app
ExtractorArgs = ExtractorArgs.Replace('\\', '/');
try
{
// Use this for the working dir to be on the safe side
string TempPath = Path.GetTempPath();
string OutputThumb = string.Format("{0}_s{1}", Path.ChangeExtension(aVideoPath, null), ".jpg");
string ShareThumb = OutputThumb.Replace("_s.jpg", ".jpg");
if ((LeaveShareThumb && !Util.Utils.FileExistsInCache(ShareThumb))
// No thumb in share although it should be there
|| (!LeaveShareThumb && !Util.Utils.FileExistsInCache(aThumbPath)))
// No thumb cached and no chance to find it in share
{
//Log.Debug("VideoThumbCreator: No thumb in share {0} - trying to create one with arguments: {1}", ShareThumb, ExtractorArgs);
Success = Utils.StartProcess(ExtractorPath, ExtractorArgs, TempPath, 15000, true, GetMtnConditions());
if (!Success)
{
// Maybe the pre-gap was too large or not enough sharp & light scenes could be caught
Thread.Sleep(100);
Success = Utils.StartProcess(ExtractorPath, ExtractorFallbackArgs, TempPath, 30000, true, GetMtnConditions());
if (!Success)
{
Log.Info("VideoThumbCreator: {0} has not been executed successfully with arguments: {1}", ExtractApp,
ExtractorFallbackArgs);
}
}
// give the system a few IO cycles
Thread.Sleep(100);
// make sure there's no process hanging
Utils.KillProcess(Path.ChangeExtension(ExtractApp, null));
try
{
// remove the _s which mdn appends to its files
File.Move(OutputThumb, ShareThumb);
}
catch (FileNotFoundException)
{
Log.Debug("VideoThumbCreator: {0} did not extract a thumbnail to: {1}", ExtractApp, OutputThumb);
}
catch (Exception)
{
try
{
// Clean up
File.Delete(OutputThumb);
Thread.Sleep(50);
}
catch (Exception) {}
}
}
else
{
// We have a thumbnail in share but the cache was wiped out - make sure it is recreated
if (LeaveShareThumb && Util.Utils.FileExistsInCache(ShareThumb) && !Util.Utils.FileExistsInCache(aThumbPath))
{
Success = true;
}
}
Thread.Sleep(30);
if (aCacheThumb && Success)
{
if (Picture.CreateThumbnail(ShareThumb, aThumbPath, (int)Thumbs.ThumbResolution, (int)Thumbs.ThumbResolution,
0, false))
{
Picture.CreateThumbnail(ShareThumb, Utils.ConvertToLargeCoverArt(aThumbPath),
(int)Thumbs.ThumbLargeResolution, (int)Thumbs.ThumbLargeResolution, 0, false);
}
}
if (!LeaveShareThumb)
{
try
{
File.Delete(ShareThumb);
Thread.Sleep(30);
}
catch (Exception) {}
}
}
catch (Exception ex)
{
Log.Error("VideoThumbCreator: Thumbnail generation failed - {0}!", ex.ToString());
}
if (Util.Utils.FileExistsInCache(aThumbPath))
{
return(true);
}
else
{
if (blacklist != null)
{
blacklist.Add(aVideoPath);
}
return(false);
}
}
