/// <summary>
/// Generates the overview thumbnail page.
/// </summary>
/// <param name="avFiles">The <see cref="AVFileSet"/> to generate
/// thumbnails for.</param>
/// <param name="displayFilename">The display name of the <see cref="AVFileSet"/>.</param>
/// <param name="outTemplate">The template (string format) to use when generating
/// output filenames.</param>
/// <param name="outputDirectory">The fullpath of the output directory.</param>
/// <returns>The number of thumbnails created.</returns>
public int GenerateOverviewThumbs(AVFileSet avFiles,
string displayFilename,
string outTemplate,
string outputDirectory)
{
ThumbnailGrid tgrid = CreateThumbnailGrid (TNSettings.LayoutMode,
TNSettings.OverviewThumbs,
TNSettings.OverviewColumns,
TNSettings.OverviewRows,
TNSettings.OverviewThreshold);
System.Collections.Generic.IEnumerator<MSEEncoder.AudioVideoFile> avFilesEnumerator =
avFiles.GetEnumerator();
avFilesEnumerator.MoveNext();
MSEEncoder.AudioVideoFile avFile = avFilesEnumerator.Current;
int avFileNum = 1;
bool highlight = avFiles.Count > 1 ? true : false;
System.Drawing.Size videoSize = AVFileSet.GetVideoSize (avFile);
#if true
string stats;
if (videoSize.Width != TNSettings.SrcRect.Width ||
videoSize.Height != TNSettings.SrcRect.Height ||
Math.Abs ((double) videoSize.Width / videoSize.Height -
TNSettings.ThumbAspectRatio) > 0.01)
{
stats = String.Format ("{0}x{1} ({2:F2}:1) [{3}x{4} ({5:F2}:1)] {6} {7}",
TNSettings.SrcRect.Width,
TNSettings.SrcRect.Height,
TNSettings.ThumbAspectRatio,
videoSize.Width,
videoSize.Height,
(double) videoSize.Width /
videoSize.Height,
//getAudioStreamStats(mediaItem),
GetFileSizeString (avFiles.TotalFileSize),
System.IO.File.GetLastWriteTime (avFile.FileName).ToString ("g")
);
}
else
{
stats = String.Format ("{0}x{1} ({2:F2}:1) {3} {4}",
videoSize.Width,
videoSize.Height,
TNSettings.ThumbAspectRatio,
//getAudioStreamStats(mediaItem),
GetFileSizeString (avFiles.TotalFileSize),
System.IO.File.GetLastWriteTime (avFile.FileName).ToString ("g")
);
}
#else
string stats = String.Format ("{0}x{1} ({2:F2}:1) [{3}x{4} {5}x{6}] {7} {8}",
videoSize.Width,
videoSize.Height,
(double) videoSize.Width /
videoSize.Height,
//getAudioStreamStats(mediaItem),
tgrid.ThumbWidth, tgrid.ThumbHeight,
tgrid.NColumns, tgrid.NRows,
GetFileSizeString (mediaItem.MainMediaFile.FileSize),
System.IO.File.GetLastWriteTime (displayFilename).ToString ("g")
);
#endif
THelper.Information ("Generating {0} {1}x{2} thumbnails on a {3}x{4} Overview page.",
tgrid.NThumbs,
tgrid.ThumbWidth, tgrid.ThumbHeight,
tgrid.NColumns, tgrid.NRows);
ThumbnailWriter writer =
new ThumbnailWriter (this, tgrid, outputDirectory, displayFilename, outTemplate,
avFiles.Count > 1 ? avFiles.Count : 0,
stats, avFiles.TotalDuration);
double intervalSeconds =
((TNSettings.End.TotalSeconds - TNSettings.Start.TotalSeconds) /
(tgrid.NColumns * tgrid.NRows - 1));
int milliseconds =
(int) ((intervalSeconds - Math.Truncate (intervalSeconds)) * 1000 + 0.5);
TimeSpan interval = new TimeSpan (0, 0, 0, (int) intervalSeconds, milliseconds);
int nThumbsAdded = 0;
TimeSpan currentTime = TNSettings.Start;
TimeSpan fileStartTime = new TimeSpan(0,0,0);
MSEEncoder.ThumbnailGenerator thumbGenerator = avFile.CreateThumbnailGenerator (videoSize);
while (currentTime <= TNSettings.End)
{
while (currentTime > fileStartTime + AVFileSet.GetVideoDuration(avFile))
{
if (thumbGenerator != null)
{
thumbGenerator.Dispose();
thumbGenerator = null;
}
if (!avFilesEnumerator.MoveNext ())
{
avFile = null;
break;
}
fileStartTime += AVFileSet.GetVideoDuration(avFile);
avFile = avFilesEnumerator.Current;
avFileNum++;
highlight = true;
thumbGenerator = avFile.CreateThumbnailGenerator (videoSize);
}
if (thumbGenerator == null)
break;
if (BGWorker != null)
{
if (BGWorker.CancellationPending)
{
if (thumbGenerator != null)
{
thumbGenerator.Dispose ();
thumbGenerator = null;
}
writer.Close ();
return nThumbsAdded;
}
}
using (System.Drawing.Bitmap resized =
GenerateThumbnail (thumbGenerator, currentTime - fileStartTime,
tgrid.ThumbWidth, tgrid.ThumbHeight, TNSettings.SrcRect))
{
if (avFiles.Count > 1)
writer.Add (resized, currentTime, highlight, avFileNum);
else
writer.Add (resized, currentTime, highlight, 0);
highlight = false;
nThumbsAdded++;
}
currentTime += interval;
}
// Last thumb should always be end time.
if (nThumbsAdded < tgrid.NThumbs &&
thumbGenerator != null)
{
using (System.Drawing.Bitmap resized =
GenerateThumbnail (thumbGenerator, TNSettings.End - fileStartTime,
tgrid.ThumbWidth, tgrid.ThumbHeight, TNSettings.SrcRect))
{
if (avFiles.Count > 1)
writer.Add (resized, TNSettings.End, highlight, avFileNum);
else
writer.Add (resized, TNSettings.End, highlight, 0);
nThumbsAdded++;
}
}
if (thumbGenerator != null)
{
thumbGenerator.Dispose ();
thumbGenerator = null;
}
writer.Close ();
return tgrid.NThumbs;
}
/// <summary>
/// Generates the Detail thumbnail pages.
/// </summary>
/// <param name="avFiles">The <see cref="AVFileSet"/> to generate
/// thumbnails for.</param>
/// <param name="displayFilename">The display name of the <see cref="AVFileSet"/>.</param>
/// <param name="outTemplate">The template (string format) to use when generating
/// output filenames.</param>
/// <param name="outputDirectory">The fullpath of the output directory.</param>
/// <returns>
/// The number of thumbnails created.
/// </returns>
public int GenerateDetailThumbs(AVFileSet avFiles,
string displayFilename,
string outTemplate,
string outputDirectory)
{
ThumbnailGrid tgrid = CreateThumbnailGrid (TNSettings.LayoutMode,
TNSettings.DetailThumbs,
TNSettings.DetailColumns,
TNSettings.DetailRows,
TNSettings.DetailThreshold);
//ThumbnailGrid tgrid = ThumbnailGrid.CreateUsingNRows (layout, _maxDetailRows, _detailColumns,
// aspectRatio, _mThreshold);
//layout.adjustWidth (tgrid.NColumns, tgrid.ThumbWidth);
System.Collections.Generic.IEnumerator<MSEEncoder.AudioVideoFile> avFilesEnumerator =
avFiles.GetEnumerator();
avFilesEnumerator.MoveNext();
MSEEncoder.AudioVideoFile avFile = avFilesEnumerator.Current;
int avFileNum = 1;
bool highlight = avFiles.Count > 1 ? true : false;
System.Drawing.Size videoSize = AVFileSet.GetVideoSize(avFile);
int nThumbsPerPage = tgrid.NColumns * tgrid.NRows;
int nThumbs = (int) ((TNSettings.End - TNSettings.Start).TotalSeconds /
TNSettings.Interval.TotalSeconds) + 1;
// start adjustment to make thumbnails occur at _interval seconds
int nExtraStartSeconds = (int) (TNSettings.Start.TotalSeconds %
TNSettings.Interval.TotalSeconds);
int nStartIntervals = (int) (TNSettings.Start.TotalSeconds /
TNSettings.Interval.TotalSeconds);
if (nExtraStartSeconds != 0)
{
nThumbs++;
nStartIntervals++;
}
int nExtraEndSeconds = (int) (TNSettings.End.TotalSeconds %
TNSettings.Interval.TotalSeconds);
int nEndIntervals = (int) (TNSettings.End.TotalSeconds /
TNSettings.Interval.TotalSeconds);
TimeSpan adjustedEnd = TNSettings.End;
if (nExtraEndSeconds != 0)
{
nThumbs++;
adjustedEnd = TNSettings.End;
//adjustedEnd = new TimeSpan (0, 0, nEndIntervals *
// (int) tnSettings.Interval.TotalSeconds);
}
int nPages = (int) ((float) nThumbs / nThumbsPerPage + 0.5);
if (nPages * nThumbsPerPage < nThumbs)
nPages++;
string stats;
if (videoSize.Width != TNSettings.SrcRect.Width ||
videoSize.Height != TNSettings.SrcRect.Height ||
Math.Abs ((double) videoSize.Width /
videoSize.Height -
TNSettings.ThumbAspectRatio) > 0.01)
{
stats = String.Format ("{0}x{1} ({2:F2}:1) [{3}x{4} ({5:F2}:1)] {6} {7}",
TNSettings.SrcRect.Width,
TNSettings.SrcRect.Height,
TNSettings.ThumbAspectRatio,
videoSize.Width,
videoSize.Height,
(double) videoSize.Width /
videoSize.Height,
//getAudioStreamStats(mediaItem),
GetFileSizeString (avFiles.TotalFileSize),
System.IO.File.GetLastWriteTime (avFile.FileName).ToString ("g")
);
}
else
{
stats = String.Format ("{0}x{1} ({2:F2}:1) {3} {4}",
videoSize.Width,
videoSize.Height,
TNSettings.ThumbAspectRatio,
//getAudioStreamStats(mediaItem),
GetFileSizeString (avFiles.TotalFileSize),
System.IO.File.GetLastWriteTime (avFile.FileName).ToString ("g")
);
}
THelper.Information (
"Generating {0} {1}x{2} thumbnails every {3} seconds on {4} {5}x{6} Detail pages.",
nThumbs,
tgrid.ThumbWidth, tgrid.ThumbHeight,
TNSettings.Interval.TotalSeconds, nPages,
tgrid.NColumns, tgrid.NRows);
ThumbnailMultiWriter mwriter =
new ThumbnailMultiWriter (this, tgrid,
outputDirectory, displayFilename, outTemplate,
avFiles.Count > 1 ? avFiles.Count : 0,
TNSettings.Interval,
stats, avFiles.TotalDuration, nPages);
TimeSpan currentTime = TNSettings.Start;
int thumbCount = 0;
TimeSpan fileStartTime = new TimeSpan(0,0,0);
MSEEncoder.ThumbnailGenerator thumbGenerator = avFile.CreateThumbnailGenerator (videoSize);
while (currentTime > fileStartTime + AVFileSet.GetVideoDuration(avFile))
{
if (thumbGenerator != null)
{
thumbGenerator.Dispose();
thumbGenerator = null;
}
if (!avFilesEnumerator.MoveNext ())
{
avFile = null;
break;
}
fileStartTime += AVFileSet.GetVideoDuration(avFile);
avFile = avFilesEnumerator.Current;
avFileNum++;
highlight = true;
thumbGenerator = avFile.CreateThumbnailGenerator (videoSize);
}
if (nExtraStartSeconds != 0 && thumbGenerator != null)
{
using (System.Drawing.Bitmap resized =
GenerateThumbnail (thumbGenerator, currentTime - fileStartTime,
tgrid.ThumbWidth, tgrid.ThumbHeight, TNSettings.SrcRect))
{
if (avFiles.Count > 1)
mwriter.Add (resized, currentTime, highlight, avFileNum, fileStartTime);
else
mwriter.Add (resized, currentTime, highlight, 0, TimeSpan.Zero);
thumbCount++;
highlight = false;
}
currentTime = new TimeSpan (0, 0, 0, 0,
(int) (nStartIntervals *
TNSettings.Interval.TotalMilliseconds));
}
while (currentTime <= adjustedEnd && thumbGenerator != null)
{
while (currentTime > fileStartTime + AVFileSet.GetVideoDuration(avFile))
{
if (thumbGenerator != null)
{
thumbGenerator.Dispose();
thumbGenerator = null;
}
if (!avFilesEnumerator.MoveNext ())
{
avFile = null;
break;
}
fileStartTime += AVFileSet.GetVideoDuration(avFile);
avFile = avFilesEnumerator.Current;
avFileNum++;
highlight = true;
thumbGenerator = avFile.CreateThumbnailGenerator (videoSize);
}
if (thumbGenerator == null)
break;
if (BGWorker != null)
{
if (BGWorker.CancellationPending)
{
if (thumbGenerator != null)
{
thumbGenerator.Dispose ();
thumbGenerator = null;
}
mwriter.Close ();
return thumbCount;
}
}
using (System.Drawing.Bitmap resized =
GenerateThumbnail (thumbGenerator, currentTime - fileStartTime,
tgrid.ThumbWidth, tgrid.ThumbHeight, TNSettings.SrcRect))
{
if (avFiles.Count > 1)
mwriter.Add (resized, currentTime, highlight, avFileNum, fileStartTime);
else
mwriter.Add (resized, currentTime, highlight, 0, TimeSpan.Zero);
thumbCount++;
highlight = false;
}
currentTime += TNSettings.Interval;
}
if (nExtraEndSeconds != 0 && thumbCount < nThumbs &&
thumbGenerator != null)
{
using (System.Drawing.Bitmap resized =
GenerateThumbnail (thumbGenerator, TNSettings.End - fileStartTime,
tgrid.ThumbWidth, tgrid.ThumbHeight, TNSettings.SrcRect))
{
if (avFiles.Count > 1)
mwriter.Add (resized, TNSettings.End, highlight, avFileNum, fileStartTime);
else
mwriter.Add (resized, TNSettings.End, highlight, 0, TimeSpan.Zero);
thumbCount++;
highlight = false;
}
}
if (thumbGenerator != null)
{
thumbGenerator.Dispose ();
thumbGenerator = null;
}
mwriter.Close ();
return thumbCount;
}
