/// <summary>
/// Generates the multi-page thumbnails 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 GenerateMultiThumbs(MSEEncoder.MediaItem mediaItem,
string filename, string outputDirectory)
{
double thumbAspectRatio = TNSettings.ThumbAspectRatio;
ThumbnailPageLayout container = new ThumbnailPageLayout (TNSettings);
ThumbnailGrid tgrid;
if (thumbAspectRatio < 1.44)
tgrid =
ThumbnailGrid.CreateUsingNColumns (container, TNSettings,
thumbAspectRatio, true,
_debug);
else
tgrid =
ThumbnailGrid.CreateUsingNRows (container, TNSettings,
thumbAspectRatio, true,
_debug);
container.AdjustSize (tgrid);
//ThumbnailGrid tgrid = ThumbnailGrid.CreateUsingNRows (container, _maxMultiRows, _multiColumns,
// aspectRatio, _mThreshold);
//container.adjustWidth (tgrid.NColumns, tgrid.ThumbWidth);
if (outputDirectory == null)
outputDirectory = GetDirectoryName (filename);
string fixedFilename = System.IO.Path.GetFileNameWithoutExtension (filename);
fixedFilename = fixedFilename.Replace ("{", "(");
fixedFilename = fixedFilename.Replace ("}", ")");
string outTemplate = fixedFilename + "_page{0:D4}.jpg";
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 (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")
);
}
THelper.Information ("Duration {0} - Generating {1} thumbs every {2} seconds on {3} pages.",
mediaItem.FileDuration.ToString (@"h\:mm\:ss"),
nThumbs, TNSettings.Interval.TotalSeconds, nPages);
ThumbnailMultiWriter mwriter =
new ThumbnailMultiWriter (this, tgrid,
outputDirectory, filename, outTemplate,
TNSettings.Interval,
stats, mediaItem.FileDuration, nPages,
TNSettings.ScaleFactor, _debug);
TimeSpan currentTime = TNSettings.Start;
int thumbCount = 0;
if (nExtraStartSeconds != 0)
{
using (System.Drawing.Bitmap resized =
GenerateThumbnail (mediaItem, currentTime,
tgrid.ThumbWidth, tgrid.ThumbHeight, TNSettings.SrcRect))
{
mwriter.Add (resized, currentTime, 0, TimeSpan.Zero);
thumbCount++;
}
currentTime = new TimeSpan (0, 0, 0, 0,
(int) (nStartIntervals *
TNSettings.Interval.TotalMilliseconds));
}
while (currentTime <= adjustedEnd)
{
using (System.Drawing.Bitmap resized =
GenerateThumbnail (mediaItem, currentTime,
tgrid.ThumbWidth, tgrid.ThumbHeight, TNSettings.SrcRect))
{
mwriter.Add (resized, currentTime, 0, TimeSpan.Zero);
thumbCount++;
}
currentTime += TNSettings.Interval;
}
if (nExtraEndSeconds != 0 && thumbCount < nThumbs)
{
using (System.Drawing.Bitmap resized =
GenerateThumbnail (mediaItem, TNSettings.End,
tgrid.ThumbWidth, tgrid.ThumbHeight, TNSettings.SrcRect))
{
mwriter.Add (resized, TNSettings.End, 0, TimeSpan.Zero);
thumbCount++;
}
}
mwriter.Close ();
return thumbCount;
}
/// <summary>
/// Generates a thumbnail OBSOLETE
/// </summary>
/// <param name="mediaItem">The <see cref="Microsoft.Expression.Encoder.MediaItem"/>
/// to use to generate the thumbnail.</param>
/// <param name="time">The time of the thumbnail.</param>
/// <param name="thumbWidth">Width of the thumbnail.</param>
/// <param name="thumbHeight">Height of the thumbnail.</param>
/// <param name="srcRect">The source rect to use when clipping the thumbnail.</param>
/// <returns>A <see cref="System.Drawing.Bitmap"/>.</returns>
/// <remarks>
/// Generates the thumbnail at the orignal source size and then resizes it.
/// </remarks>
public static System.Drawing.Bitmap GenerateThumbnail(MSEEncoder.MediaItem mediaItem,
TimeSpan time,
int thumbWidth,
int thumbHeight,
System.Drawing.Rectangle srcRect)
{
System.Drawing.Bitmap resized = new System.Drawing.Bitmap (thumbWidth, thumbHeight);
using (System.Drawing.Bitmap original =
mediaItem.MainMediaFile.GetThumbnail (time, mediaItem.OriginalVideoSize)) {
using (System.Drawing.Graphics graphics = System.Drawing.Graphics.FromImage (resized)) {
// No alpha channel usage
graphics.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceCopy;
//graphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
//graphics.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
// Affects image resizing
graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
// Affects anti-aliasing of filled edges
//graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
using (System.Drawing.Imaging.ImageAttributes att =
new System.Drawing.Imaging.ImageAttributes ()) {
att.SetWrapMode (System.Drawing.Drawing2D.WrapMode.TileFlipXY);
graphics.DrawImage (original,
new System.Drawing.Rectangle(0, 0, thumbWidth, thumbHeight),
srcRect.X, srcRect.Y,
srcRect.Width, srcRect.Height,
System.Drawing.GraphicsUnit.Pixel,
att);
}
}
}
return resized;
}
/// <summary>
/// Generates a thumbnail
/// </summary>
/// <param name="tgen">The
/// <see cref="Microsoft.Expression.Encoder.ThumbnailGenerator"/>
/// to use to generate the thumbnail.</param>
/// <param name="time">The time of the thumbnail.</param>
/// <param name="thumbWidth">Width of the thumbnail.</param>
/// <param name="thumbHeight">Height of the thumbnail.</param>
/// <param name="srcRect">The source rect to use when clipping the thumbnail.</param>
/// <returns>A <see cref="System.Drawing.Bitmap"/>.</returns>
/// <remarks>
/// Generates the thumbnail at the orignal source size and then resizes it.
/// </remarks>
public static System.Drawing.Bitmap GenerateThumbnail(MSEEncoder.ThumbnailGenerator tgen,
TimeSpan time,
int thumbWidth,
int thumbHeight,
System.Drawing.Rectangle srcRect)
{
System.Drawing.Bitmap resized = new System.Drawing.Bitmap (thumbWidth, thumbHeight);
System.Drawing.Bitmap original = null;
int counter = 0;
while (original == null)
{
try
{
original = tgen.CreateThumbnail (time);
}
catch (MSEEncoder.UnableToCreateThumbnailException)
{
THelper.Error ("Unable to create thumbnail at time {0}",
time.ToString (@"h\:mm\:ss\.ffff"));
time += new TimeSpan (0, 0, 0, 0, 50);
THelper.Error (" Trying time {0}",
time.ToString (@"h\:mm\:ss\.ffff"));
counter++;
if (counter > 20)
throw;
}
}
using (System.Drawing.Graphics graphics = System.Drawing.Graphics.FromImage (resized))
{
// No alpha channel usage
graphics.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceCopy;
//graphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
//graphics.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
// Affects image resizing
graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
// Affects anti-aliasing of filled edges
//graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
using (System.Drawing.Imaging.ImageAttributes att =
new System.Drawing.Imaging.ImageAttributes ())
{
att.SetWrapMode (System.Drawing.Drawing2D.WrapMode.TileFlipXY);
graphics.DrawImage (original,
new System.Drawing.Rectangle (0, 0, thumbWidth, thumbHeight),
srcRect.X, srcRect.Y,
srcRect.Width, srcRect.Height,
System.Drawing.GraphicsUnit.Pixel,
att);
}
}
original.Dispose();
return resized;
}
/// <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;
}
