public Pixelmap GetFrame(int frameNo, bool noIntegrate)
{
Pixelmap currentBitmap = null;
if (m_VideoStream != null)
{
if (frameNo >= m_VideoStream.LastFrame)
{
frameNo = m_VideoStream.LastFrame;
}
if (frameNo < m_VideoStream.FirstFrame)
{
frameNo = m_VideoStream.FirstFrame;
}
try
{
if (noIntegrate || !m_VideoStream.SupportsSoftwareIntegration)
{
currentBitmap = m_VideoStream.GetPixelmap(GetDirectionAwareFrameIndex(frameNo));
}
else
{
currentBitmap = m_VideoStream.GetIntegratedFrame(GetDirectionAwareFrameIndex(frameNo), m_FramesToIntegrate,
m_FrameIntegration == FrameIntegratingMode.SlidingAverage,
m_PixelIntegrationMode == PixelIntegrationType.Median);
}
}
catch (Exception ex)
{
Trace.WriteLine(ex.ToString());
}
}
return(currentBitmap);
}
public Pixelmap GetPixelmap(int index)
{
if (index < FirstFrame)
{
index = FirstFrame;
}
if (index > LastFrame)
{
index = LastFrame;
}
uint[] pixels;
uint[] originalPixels;
Bitmap videoFrame;
byte[] bitmapBytes;
if (Mode == ReInterlaceMode.SwapFields)
{
TangraVideo.GetFrame(index, out pixels, out originalPixels, out videoFrame, out bitmapBytes);
byte[] bitmapPixels = new byte[Width * Height * 3 + 40 + 14 + 1];
TangraCore.SwapVideoFields(pixels, originalPixels, Width, Height, bitmapPixels, bitmapBytes);
videoFrame = Pixelmap.ConstructBitmapFromBitmapPixels(bitmapBytes, Width, Height);
var rv = new Pixelmap(Width, Height, 8, pixels, videoFrame, bitmapBytes);
rv.UnprocessedPixels = originalPixels;
return(rv);
}
else if (Mode == ReInterlaceMode.ShiftOneField || Mode == ReInterlaceMode.SwapAndShiftOneField)
{
uint[] pixels2;
uint[] originalPixels2;
Bitmap videoFrame2;
byte[] bitmapBytes2;
if (m_LastPrevFrameId == index)
{
pixels = m_LastPrevFramePixels;
originalPixels = m_LastPrevFrameOriginalPixels;
bitmapBytes = m_LastPrevFrameBitmapBytes;
}
else
{
TangraVideo.GetFrame(index, out pixels, out originalPixels, out videoFrame, out bitmapBytes);
}
TangraVideo.GetFrame(index + 1, out pixels2, out originalPixels2, out videoFrame2, out bitmapBytes2);
m_LastPrevFrameId = index + 1;
m_LastPrevFramePixels = pixels2;
m_LastPrevFrameOriginalPixels = originalPixels2;
m_LastPrevFrameBitmapBytes = bitmapBytes2;
byte[] bitmapPixels = new byte[Width * Height * 3 + 40 + 14 + 1];
TangraCore.ShiftVideoFields(pixels, originalPixels, pixels2, originalPixels2, Width, Height, m_ShiftMode, bitmapPixels, bitmapBytes);
videoFrame = Pixelmap.ConstructBitmapFromBitmapPixels(bitmapBytes, Width, Height);
var rv = new Pixelmap(Width, Height, 8, pixels, videoFrame, bitmapBytes);
rv.UnprocessedPixels = originalPixels;
return(rv);
}
else if (Mode == ReInterlaceMode.None)
{
return(m_BaseStream.GetPixelmap(index));
}
else
{
throw new NotSupportedException();
}
}
public Pixelmap GetPixelmap(int index)
{
Pixelmap image = m_Video.GetPixelmap(index);
return(RotatePixelMap(image));
}