/// <summary>
/// Saves the video.
/// </summary>
/// <param name="fileName">Name of the file.</param>
/// <param name="profileFileName">Name of the profile file.</param>
/// <param name="dr">Dr.</param>
public static void SaveVideo(string fileName, string profileFileName, ulong framesPerSecond, SqlDataReader dr)
{
WMEncoder encoder = new WMEncoder();
IWMEncProfile2 profile = WMEncProfile.LoadEncodingProfile(encoder, profileFileName);
WMEncProfile.ReleaseEncoder(ref encoder);
using(WmvWriter writer = new WmvWriter())
{
writer.Initialize((IWMProfile)profile.SaveToIWMProfile(), fileName);
VideoInfoHeader viHeader = new VideoInfoHeader();
writer.FindVideoInputFormat(0, MediaSubTypes.WMMEDIASUBTYPE_RGB24, ref viHeader, false);
writer.Start();
INSSBuffer sample = null;
int bmcount = 0;
Bitmap c = new Bitmap((int)viHeader.bmiHeader.biWidth, (int)viHeader.bmiHeader.biHeight, PixelFormat.Format24bppRgb);;
ulong fps = viHeader.AvgTimePerFrame / 100000;
while(dr.Read())
{
Bitmap b = Image.FromStream(new MemoryStream(dr.GetValue(1) as byte[])) as Bitmap;
using (Graphics g = Graphics.FromImage(c))
{
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.CompositingQuality = CompositingQuality.HighQuality;
g.SmoothingMode = SmoothingMode.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.DrawImage(b, 0, 0, c.Width, c.Height);
}
try
{
ulong time = ((ulong)bmcount++ * TimeSpan.TicksPerSecond)/fps;
sample = writer.GetSampleFromBitmap(c);
writer.Writer.WriteSample(0, time, (uint)WMT_STREAM_SAMPLE_TYPE.WM_SF_CLEANPOINT, sample);
}
finally
{
Marshal.ReleaseComObject(sample);
sample = null;
b = null;
GC.Collect();
}
}
}
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
if (writer != null)
{
try
{
writer.Dispose();
writer = null;
frame.Dispose();
frame = null;
Marshal.FreeHGlobal(MarshalToPointer(viHeader));
}
catch (Exception)
{
// error handle
throw;
}
}
}
}
/// <summary>
/// Saves the video.
/// </summary>
/// <param name="fileName">Name of the file.</param>
/// <param name="profileFileName">Name of the profile file.</param>
/// <param name="framesPerSecond">Frames per second.</param>
/// <param name="bitmaps">Bitmaps.</param>
public WmvEncoder(string profileFileName, ulong framesPerSecond)
{
try
{
WMEncoder encoder = new WMEncoder();
IWMEncProfile2 profile = WMEncProfile.LoadEncodingProfile(encoder, profileFileName);
WMEncProfile.ReleaseEncoder(ref encoder);
writer = new WmvWriter();
writer.SetProfile((IWMProfile)profile.SaveToIWMProfile());
viHeader = new VideoInfoHeader();
bool bret = writer.FindVideoInputFormat(0, MediaSubTypes.WMMEDIASUBTYPE_RGB24, ref viHeader, false);
if (!bret) throw new Exception("FindVideoInputFormat error"); ;
frame = new Bitmap((int)viHeader.bmiHeader.biWidth, (int)viHeader.bmiHeader.biHeight, PixelFormat.Format24bppRgb);
fps = framesPerSecond;
}
catch (Exception)
{
// error handle
throw;
}
}
/// <summary>
/// Saves the video.
/// </summary>
/// <param name="fileName">Name of the file.</param>
/// <param name="profileFileName">Name of the profile file.</param>
/// <param name="files">Files.</param>
public static void SaveVideo(string fileName, string profileFileName, ulong framesPerSecond, string [] files)
{
WMEncoder encoder = new WMEncoder();
IWMEncProfile2 profile = WMEncProfile.LoadEncodingProfile(encoder, profileFileName);
WMEncProfile.ReleaseEncoder(ref encoder);
using(WmvWriter writer = new WmvWriter())
{
writer.Initialize((IWMProfile)profile.SaveToIWMProfile(), fileName);
VideoInfoHeader viHeader = new VideoInfoHeader();
writer.FindVideoInputFormat(0, MediaSubTypes.WMMEDIASUBTYPE_RGB24, ref viHeader, false);
writer.Start();
INSSBuffer sample = null;
int bmcount = 0;
Bitmap frame = new Bitmap((int)viHeader.bmiHeader.biWidth, (int)viHeader.bmiHeader.biHeight, PixelFormat.Format24bppRgb);;
ulong fps = framesPerSecond;
for(int i = 0; i < files.Length; i++)
{
if(files[i] != null)
{
Bitmap bmp = new Bitmap(files[i]);
using (Graphics g = Graphics.FromImage(frame))
{
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.CompositingQuality = CompositingQuality.HighQuality;
g.SmoothingMode = SmoothingMode.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.DrawImage(bmp, 0, 0, frame.Width, frame.Height);
Console.Out.Write(".");
}
// Now render to the movie
try
{
ulong time = ((ulong)bmcount++ * TimeSpan.TicksPerSecond)/fps;
sample = writer.GetSampleFromBitmap(frame);
writer.Writer.WriteSample(0, time, (uint)WMT_STREAM_SAMPLE_TYPE.WM_SF_CLEANPOINT, sample);
}
finally
{
Marshal.ReleaseComObject(sample);
sample = null;
bmp = null;
GC.Collect();
}
}
}
}
}