/// <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 overview thumbnail page OBSOLETE.
/// </summary>
/// <param name="mediaItem">The
/// <see cref="Microsoft.Expression.Encoder.MediaItem"/> to generate
/// thumbnails for.</param>
/// <param name="filename">The display name of the file to generate thumbs for.</param>
/// <param name="outputDirectory">The output directory.</param>
/// <returns>The number of thumbnails created.</returns>
public int GenerateOverviewThumbs(MSEEncoder.MediaItem mediaItem,
string filename, string outputDirectory)
{
double thumbAspectRatio = TNSettings.ThumbAspectRatio;
ThumbnailPageLayout container =
new ThumbnailPageLayout (TNSettings);
ThumbnailGrid tgrid;
if (thumbAspectRatio < 1.36)
tgrid =
ThumbnailGrid.CreateUsingNColumns (container, TNSettings,
thumbAspectRatio, false,
_debug);
else
tgrid =
ThumbnailGrid.CreateUsingNRows (container, TNSettings,
thumbAspectRatio, false,
_debug);
container.AdjustSize (tgrid);
if (outputDirectory == null)
outputDirectory = GetDirectoryName (filename);
string outTemplate = System.IO.Path.GetFileNameWithoutExtension (filename) +
"_overview.jpg";
#if true
string stats;
if (mediaItem.OriginalVideoSize.Width != TNSettings.SrcRect.Width ||
mediaItem.OriginalVideoSize.Height != TNSettings.SrcRect.Height ||
Math.Abs ((double) mediaItem.OriginalVideoSize.Width /
mediaItem.OriginalVideoSize.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,
mediaItem.OriginalVideoSize.Width,
mediaItem.OriginalVideoSize.Height,
(double) mediaItem.OriginalVideoSize.Width /
mediaItem.OriginalVideoSize.Height,
//getAudioStreamStats(mediaItem),
GetFileSizeString (mediaItem.MainMediaFile.FileSize),
System.IO.File.GetLastWriteTime (filename).ToString ("g")
);
}
else
{
stats = String.Format ("{0}x{1} ({2:F2}:1) {3} {4}",
mediaItem.OriginalVideoSize.Width,
mediaItem.OriginalVideoSize.Height,
TNSettings.ThumbAspectRatio,
//getAudioStreamStats(mediaItem),
GetFileSizeString (mediaItem.MainMediaFile.FileSize),
System.IO.File.GetLastWriteTime (filename).ToString ("g")
);
}
#else
string stats = String.Format ("{0}x{1} ({2:F2}:1) [{3}x{4} {5}x{6}] {7} {8}",
mediaItem.OriginalVideoSize.Width,
mediaItem.OriginalVideoSize.Height,
(double) mediaItem.OriginalVideoSize.Width /
mediaItem.OriginalVideoSize.Height,
//getAudioStreamStats(mediaItem),
tgrid.ThumbWidth, tgrid.ThumbHeight,
tgrid.NColumns, tgrid.NRows,
GetFileSizeString (mediaItem.MainMediaFile.FileSize),
System.IO.File.GetLastWriteTime (filename).ToString ("g")
);
#endif
THelper.Information ("Generating {0} overview page thumbs.",
tgrid.NThumbs);
ThumbnailWriter writer =
new ThumbnailWriter (this, tgrid, outputDirectory, filename, outTemplate,
stats, mediaItem.FileDuration,
TNSettings.ScaleFactor, _debug);
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;
while (currentTime <= TNSettings.End)
{
using (System.Drawing.Bitmap resized =
GenerateThumbnail (mediaItem, currentTime,
tgrid.ThumbWidth, tgrid.ThumbHeight, TNSettings.SrcRect))
{
writer.Add (resized, currentTime);
nThumbsAdded++;
}
currentTime += interval;
}
// Last thumb should always be end time.
if (nThumbsAdded < tgrid.NThumbs)
{
using (System.Drawing.Bitmap resized =
GenerateThumbnail (mediaItem, TNSettings.End,
tgrid.ThumbWidth, tgrid.ThumbHeight, TNSettings.SrcRect))
{
writer.Add (resized, TNSettings.End);
nThumbsAdded++;
}
}
writer.Close ();
return tgrid.NThumbs;
}