public static bool CreateVideoThumb(string aVideoPath, string aThumbPath, bool aCacheThumb, bool aOmitCredits)
{
//Log.Debug("VideoThumbCreator: args {0}, {1}!", aVideoPath, aThumbPath);
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 = preRecordInterval * 60;
int TimeToSeek = 3;
int Duration = 0;
// intRnd is used if user refresh the thumbnail from context menu
int intRnd = 0;
if (aOmitCredits)
{
Random rnd = new Random();
intRnd = rnd.Next(10, 300);
}
preGapSec = preGapSec + intRnd;
Log.Debug("VideoThumbCreator: random value: {0}", intRnd);
bool Success = false;
MediaInfo = new MediaPortal.Player.MediaInfoWrapper(aVideoPath);
if (MediaInfo != null)
{
Duration = MediaInfo.VideoDuration / 1000;
}
if (preGapSec > Duration)
{
preGapSec = (Duration / 100) * 20; // 20% of the duration
}
TimeBetweenThumbs = (Duration - preGapSec) / ((PreviewColumns * PreviewRows) + 1);
Log.Debug("{0} duration is {1}.", aVideoPath, Duration);
// Honour we are using a unix app
//ExtractorArgs = ExtractorArgs.Replace('\\', '/');
try
{
// Set String
string strFilenamewithoutExtension = Path.ChangeExtension(aVideoPath, null);
// Use this for the working dir to be on the safe side
string TempPath = Path.GetTempPath();
string OutputThumb = string.Format("{0}{1}", Path.ChangeExtension(aVideoPath, null), ".jpg");
string ShareThumb = OutputThumb.Replace(".jpg", ".jpg");
// Use Temp folder
string strFilenamewithoutExtensionTemp = Path.GetTempPath() + Path.GetFileName(strFilenamewithoutExtension);
string ShareThumbTemp = Path.GetTempPath() + Path.GetFileName(ShareThumb);
// ffmpeg
string ffmpegFallbackArgs = string.Format("yadif=0:-1:0,scale=600:337,setsar=1:1,tile={0}x{1}", PreviewColumns, PreviewRows);
string ExtractorFallbackArgs = string.Format("-loglevel quiet -ss {0} -i \"{1}\" -y -ss {2} -vf {3} -vframes 1 -vsync 0 -an \"{4}.jpg\"", 5, aVideoPath, TimeToSeek, ffmpegFallbackArgs, strFilenamewithoutExtensionTemp);
if ((LeaveShareThumb && !Util.Utils.FileExistsInCache(ShareThumb))
// No thumb in share although it should be there
|| (aOmitCredits)
// or a refress needs by user (from context menu)
|| (!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.", aVideoPath);
if (aOmitCredits)
{
File.Delete(ShareThumb);
}
List <string> pictureList = new List <string>();
string ffmpegArgs = null;
string ExtractorArgs = null;
int TimeOffset = 0;
int i;
for (i = 0; i < (PreviewColumns * PreviewRows); i++)
{
TimeOffset = preGapSec + i * TimeBetweenThumbs;
ffmpegArgs = string.Format("yadif=0:-1:0,scale=600:337,setsar=1:1,tile=1x1");
ExtractorArgs = string.Format("-loglevel quiet -ss {0} -i \"{1}\" -y -ss {2} -vf {3} -vframes 1 -vsync 0 -an \"{4}_{5}.jpg\"", TimeOffset, aVideoPath, TimeToSeek, ffmpegArgs, strFilenamewithoutExtensionTemp, i);
Success = Utils.StartProcess(ExtractorPath, ExtractorArgs, TempPath, 120000, true, GetMtnConditions());
Log.Debug("VideoThumbCreator: thumb creation {0}", ExtractorArgs);
if (!Success)
{
Log.Debug("VideoThumbCreator: failed, try to fallback {0}", strFilenamewithoutExtensionTemp);
break;
}
else
{
pictureList.Add(string.Format("{0}_{1}.jpg", strFilenamewithoutExtensionTemp, i));
}
}
// generate thumb if all sub pictures was created
if (i == PreviewColumns * PreviewRows)
{
if (Util.Utils.CreateTileThumb(pictureList, string.Format("{0}.jpg", strFilenamewithoutExtensionTemp), PreviewColumns, PreviewRows))
{
Log.Debug("VideoThumbCreator: thumb creation success {0}", ShareThumbTemp);
File.SetAttributes(ShareThumbTemp, File.GetAttributes(ShareThumbTemp) & ~FileAttributes.Hidden);
}
else
{
Log.Debug("VideoThumbCreator: failed, try to fallback {0}", strFilenamewithoutExtensionTemp);
}
}
else
{
// 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, 120000, true, GetMtnConditions());
if (!Success)
{
Log.Info("VideoThumbCreator: {0} has not been executed successfully with arguments: {1}", ExtractApp, ExtractorFallbackArgs);
/*Utils.KillProcess(Path.ChangeExtension(ExtractApp, null));
* return false;*/
}
}
// give the system a few IO cycles
Thread.Sleep(100);
// make sure there's no process hanging
Utils.KillProcess(Path.ChangeExtension(ExtractApp, null));
}
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.CreateThumbnailVideo(ShareThumbTemp, aThumbPath, (int)Thumbs.ThumbResolution, (int)Thumbs.ThumbResolution,
0, false))
{
Picture.CreateThumbnailVideo(ShareThumbTemp, Utils.ConvertToLargeCoverArt(aThumbPath),
(int)Thumbs.ThumbLargeResolution, (int)Thumbs.ThumbLargeResolution, 0, false);
}
}
if (LeaveShareThumb)
{
if (Utils.FileExistsInCache(aThumbPath))
{
try
{
string aThumbPathLarge = Utils.ConvertToLargeCoverArt(aThumbPath);
if (Utils.FileExistsInCache(aThumbPathLarge))
{
aThumbPath = aThumbPathLarge;
}
File.Copy(aThumbPath, ShareThumb);
File.SetAttributes(ShareThumb, File.GetAttributes(ShareThumb) & ~FileAttributes.Hidden);
}
catch (Exception)
{
Log.Debug("TvThumbnails.VideoThumbCreator: Exception on File.Copy({0}, {1})", ShareThumbTemp, ShareThumb);
}
}
}
// delete final thumb from temp folder
try
{
if (Utils.FileExistsInCache(ShareThumbTemp))
{
File.Delete(ShareThumbTemp);
}
}
catch (FileNotFoundException)
{
// No need to log
}
}
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);
}
}