public static CropValues autocrop(IVideoReader reader)
{
int pos = reader.FrameCount / 4;
int tenPercent = reader.FrameCount / 20;
CropValues[] cropValues = new CropValues[10];
for (int i = 0; i < 10; i++)
{
Bitmap b = reader.ReadFrameBitmap(pos);
cropValues[i] = getAutoCropValues(b);
pos += tenPercent;
}
bool error = false;
CropValues final = getFinalAutocropValues(cropValues);
if (!error)
{
return(final);
}
else
{
final.left = -1;
final.right = -1;
final.top = -1;
final.bottom = -1;
return(final);
}
}
public static CropValues autocrop(IVideoReader reader)
{
// start at 10% of the video, then advance by 6,66% and analyze 11 frames in total
int pos = reader.FrameCount / 10;
int step = reader.FrameCount / 15;
CropValues[] cropValues = new CropValues[11];
for (int i = 0; i < 11; i++)
{
using (Bitmap b = reader.ReadFrameBitmap(pos))
cropValues[i] = getAutoCropValues(b);
pos += step;
}
bool error = false;
CropValues final = getFinalAutocropValues(cropValues);
if (!error)
{
return(final);
}
else
{
final.left = -1;
final.right = -1;
final.top = -1;
final.bottom = -1;
return(final);
}
}
private void drawFrame(Graphics g)
{
using (Bitmap bmp = reader.ReadFrameBitmap(trackBar1.Value))
{
g.FillRectangle(Brushes.Black, 0, 0, bmp.Width + 2, bmp.Height + 2);
g.DrawImage(bmp, new Point(1, 1));
using (Pen p = new Pen(lineColor))
{
g.DrawLine(p, 0, cropTop, bmp.Width + 1, cropTop);
g.DrawLine(p, 0, bmp.Height - cropBottom, bmp.Width + 1, bmp.Height - cropBottom);
g.DrawLine(p, cropLeft, 0, cropLeft, bmp.Height + 1);
g.DrawLine(p, bmp.Width - cropRight, 0, bmp.Width - cropRight, bmp.Height + 1);
}
}
}
private Bitmap getFrame(int pos)
{
readerWriterLock.AcquireReaderLock(Timeout.Infinite);
try
{
IVideoReader reader = VideoReader;
if (reader == null)
{
return(null);
}
return(reader.ReadFrameBitmap(pos));
}
finally
{
readerWriterLock.ReleaseReaderLock();
}
}
public StringMask GetMask(string s, int x, int y, string style)
{
if (!IsAvsMask)
{
return(base.GetMask(s, x, y));
}
if (s.Trim() == "")
{
return new StringMask {
Height = FontHeight, Width = (WhitespaceWidth >= 0) ? WhitespaceWidth : FontWidth, X0 = x, Y0 = y, Points = new List <ASSPoint>()
}
}
;
using (MaskDataContext db = new MaskDataContext())
{
var ma = db.Masks.Where(m => m.X == x && m.Y == y && m.PlayResX == this.PlayResX && m.PlayResY == this.PlayResY && m.Style == this.MaskStyle && m.Str == s.GetHashCode().ToString());
if (ma.Count() > 0)
{
return(new BinaryFormatter().Deserialize(new MemoryStream(ma.First().Data.ToArray())) as StringMask);
}
}
// generate ass file
string assFN = "BaseAnime2_Temp.ass";
StreamWriter assOut = new StreamWriter(new FileStream(assFN, FileMode.Create), Encoding.Unicode);
assOut.WriteLine("[Script Info]");
assOut.WriteLine("Synch Point:0");
assOut.WriteLine("ScriptType: v4.00+");
assOut.WriteLine("Collisions:Normal");
assOut.WriteLine("PlayResX:{0}", this.PlayResX);
assOut.WriteLine("PlayResY:{0}", this.PlayResY);
assOut.WriteLine("Timer:100.0000");
assOut.WriteLine("");
assOut.WriteLine("[V4+ Styles]");
assOut.WriteLine("Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding");
assOut.WriteLine(style);
assOut.WriteLine("");
assOut.WriteLine("[Events]");
assOut.WriteLine("Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text");
assOut.WriteLine("Dialogue: 0,0:00:00.00,0:01:00.00,Default,NTP,0000,0000,0000,,{0}{1}", ASSEffect.pos(x, y), s);
assOut.Close();
// generate avs file
string avsFN = "BaseAnime2_Temp.avs";
StreamWriter avsOut = new StreamWriter(new FileStream(avsFN, FileMode.Create), Encoding.Default);
avsOut.WriteLine("BlankClip(height={0}, width={1}, length=1000, fps=23.976)", this.PlayResY, this.PlayResX);
avsOut.WriteLine("ConvertToRGB24()");
avsOut.WriteLine("TextSub(\"{0}\")", assFN);
avsOut.Close();
AvsFile avs = AvsFile.OpenScriptFile(avsFN);
if (!avs.CanReadVideo)
{
return(null);
}
IVideoReader ivr = avs.GetVideoReader();
Bitmap bmp = ivr.ReadFrameBitmap(0);
BitmapData bd = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
List <ASSPoint> result = new List <ASSPoint>();
unsafe
{
byte *p = (byte *)(void *)bd.Scan0;
for (int x1 = 0; x1 < bmp.Width; x1++)
{
for (int y1 = 0; y1 < bmp.Height; y1++)
{
byte *q = p + bd.Stride * y1 + x1 * 3;
if (q[0] > 0)
{
result.Add(new ASSPoint {
Brightness = q[0], X = x1, Y = y1
});
}
}
}
}
bmp.UnlockBits(bd);
bmp.Dispose();
avs.Dispose();
if (result.Count == 0)
{
return new StringMask {
Height = 0, Width = 0, X0 = x, Y0 = y, Points = result
}
}
;
int xmin = 10000;
int ymin = 10000;
int xmax = -1;
int ymax = -1;
foreach (ASSPoint pt in result)
{
if (xmin > pt.X)
{
xmin = pt.X;
}
if (xmax < pt.X)
{
xmax = pt.X;
}
if (ymin > pt.Y)
{
ymin = pt.Y;
}
if (ymax < pt.Y)
{
ymax = pt.Y;
}
}
StringMask sm = new StringMask {
Height = ymax - ymin + 1, Width = xmax - xmin + 1, X0 = x, Y0 = y, Points = result
};
//sm.CalculateEdgeDistance();
using (MaskDataContext db = new MaskDataContext())
{
try
{
MemoryStream ms = new MemoryStream();
new BinaryFormatter().Serialize(ms, sm);
ms.Position = 0;
db.Masks.InsertOnSubmit(new Mask {
X = x, Y = y, PlayResX = this.PlayResX, PlayResY = this.PlayResY, Style = this.MaskStyle, Str = s.GetHashCode().ToString(), Data = new Binary(ms.ToArray())
});
db.SubmitChanges();
}
catch (Exception e)
{
throw e;
}
}
return(sm);
}