private void ConfigurePusher(IGenericSampleConfig2 ips, ImageHandler ih)
{
int hr;
ih.SetMediaType(ips);
// Specify the callback routine to call with each sample
hr = ips.SetBitmapCB(ih);
DsError.ThrowExceptionForHR(hr);
}
/// <summary>
/// This method calls the GSSF and specifies the media type to use. This
/// overridable method builds a generic AMMediaType based on the arguments
/// passed to the constructor.
/// </summary>
/// <param name="psc">Interface pointer to the GSSF</param>
public override void SetMediaType(IGenericSampleConfig2 psc)
{
VideoInfoHeader2 vih2 = new VideoInfoHeader2();
vih2.BmiHeader = new BitmapInfoHeader();
vih2.SrcRect = new DsRect(0, 0, m_Width, m_Height);
vih2.TargetRect = new DsRect(0, 0, m_Width, m_Height);
// Build a BitmapInfo struct using the parms from the file
vih2.BmiHeader.Size = Marshal.SizeOf(typeof(BitmapInfoHeader));
vih2.BmiHeader.Width = m_Width;
vih2.BmiHeader.Height = m_Height;
vih2.BmiHeader.Planes = 1;
vih2.BmiHeader.BitCount = m_bpp;
vih2.BmiHeader.Compression = (int)m_SubType;
vih2.BmiHeader.ImageSize = ((vih2.BmiHeader.BitCount * vih2.BmiHeader.Width) / 8) * vih2.BmiHeader.Height;
vih2.BmiHeader.XPelsPerMeter = 0;
vih2.BmiHeader.YPelsPerMeter = 0;
vih2.BmiHeader.ClrUsed = 0;
vih2.BmiHeader.ClrImportant = 0;
vih2.BmiHeader.Height *= -1; // The bitmap is a top-down DIB
vih2.BitRate = (int)(vih2.BmiHeader.ImageSize * 8 * m_Fps);
vih2.BitErrorRate = 0;
vih2.AvgTimePerFrame = UNIT / m_Fps;
vih2.InterlaceFlags = 0;
vih2.CopyProtectFlags = 0;
vih2.PictAspectRatioX = 4;
vih2.PictAspectRatioY = 3;
vih2.ControlFlags = 0;
vih2.Reserved2 = 0;
// Free any previous media type
if (m_pmt != null)
{
DsUtils.FreeAMMediaType(m_pmt);
}
m_pmt = new AMMediaType();
m_pmt.majorType = MediaType.Video;
m_pmt.fixedSizeSamples = true;
m_pmt.temporalCompression = false;
m_pmt.formatType = FormatType.VideoInfo2;
m_pmt.sampleSize = vih2.BmiHeader.ImageSize;
int iStride;
if ((int)m_SubType == 3) // 3 == BI_BITFIELDS
{
Debug.Assert(vih2.BmiHeader.BitCount == 32); // 16bit uses a slightly different format
m_pmt.subType = MediaSubType.ARGB32; // Can't use the compression type to compute the subtype
m_pmt.formatSize = Marshal.SizeOf(vih2) + (3 * (m_bpp / 8)); // Make room for the bitfields
m_pmt.formatPtr = Marshal.AllocCoTaskMem(m_pmt.formatSize);
if (m_bpp != 16)
{
vih2.BmiHeader.Size += 3 * sizeof(int);
// One byte per color
Marshal.WriteInt32(m_pmt.formatPtr, 0xff); // Red
Marshal.WriteInt32(m_pmt.formatPtr, 4, 0xff00); // Green
Marshal.WriteInt32(m_pmt.formatPtr, 8, 0xff0000); // Blue
}
else
{
// Todo - 555, 565
}
iStride = (m_Width * m_bpp) / 8;
}
else
{
// Calculate the stride from the compression type
MFExtern.MFGetStrideForBitmapInfoHeader(vih2.BmiHeader.Compression, vih2.BmiHeader.Width, out iStride);
m_pmt.subType = (Guid)m_SubType;
m_pmt.formatSize = Marshal.SizeOf(vih2);
m_pmt.formatPtr = Marshal.AllocCoTaskMem(m_pmt.formatSize);
}
m_pmt.sampleSize = iStride * m_Height;
Marshal.StructureToPtr(vih2, m_pmt.formatPtr, false);
int hr = psc.SetPinMediaType(m_pmt);
DsError.ThrowExceptionForHR(hr);
}
/// <summary> /// Calls the GSSF to specify the media type. Must be called before pins try to connect. /// </summary> /// <param name="psc">Pointer to the GSSF</param> public abstract void SetMediaType(IGenericSampleConfig2 psc);
/// <summary> /// Calls the GSSF to specify the media type. Must be called before pins try to connect. /// </summary> /// <param name="psc">Pointer to the GSSF</param> abstract public void SetMediaType(IGenericSampleConfig2 psc);
/// <summary>
/// This method calls the GSSF and specifies the media type to use. This
/// overridable method builds a generic AMMediaType based on the arguments
/// passed to the constructor.
/// </summary>
/// <param name="psc">Interface pointer to the GSSF</param>
public override void SetMediaType(IGenericSampleConfig2 psc)
{
VideoInfoHeader2 vih2 = new VideoInfoHeader2();
vih2.BmiHeader = new BitmapInfoHeader();
vih2.SrcRect = new DsRect(0, 0, m_Width, m_Height);
vih2.TargetRect = new DsRect(0, 0, m_Width, m_Height);
// Build a BitmapInfo struct using the parms from the file
vih2.BmiHeader.Size = Marshal.SizeOf(typeof(BitmapInfoHeader));
vih2.BmiHeader.Width = m_Width;
vih2.BmiHeader.Height = m_Height;
vih2.BmiHeader.Planes = 1;
vih2.BmiHeader.BitCount = m_bpp;
vih2.BmiHeader.Compression = (int)m_SubType;
vih2.BmiHeader.ImageSize = ((vih2.BmiHeader.BitCount * vih2.BmiHeader.Width) / 8) * vih2.BmiHeader.Height;
vih2.BmiHeader.XPelsPerMeter = 0;
vih2.BmiHeader.YPelsPerMeter = 0;
vih2.BmiHeader.ClrUsed = 0;
vih2.BmiHeader.ClrImportant = 0;
vih2.BmiHeader.Height *= -1; // The bitmap is a top-down DIB
vih2.BitRate = (int)(vih2.BmiHeader.ImageSize * 8 * m_Fps);
vih2.BitErrorRate = 0;
vih2.AvgTimePerFrame = UNIT / m_Fps;
vih2.InterlaceFlags = 0;
vih2.CopyProtectFlags = 0;
vih2.PictAspectRatioX = 4;
vih2.PictAspectRatioY = 3;
vih2.ControlFlags = 0;
vih2.Reserved2 = 0;
// Free any previous media type
if (m_pmt != null)
{
DsUtils.FreeAMMediaType(m_pmt);
}
m_pmt = new AMMediaType();
m_pmt.majorType = MediaType.Video;
m_pmt.fixedSizeSamples = true;
m_pmt.temporalCompression = false;
m_pmt.formatType = FormatType.VideoInfo2;
m_pmt.sampleSize = vih2.BmiHeader.ImageSize;
int iStride;
if ((int)m_SubType == 3) // 3 == BI_BITFIELDS
{
Debug.Assert(vih2.BmiHeader.BitCount == 32); // 16bit uses a slightly different format
m_pmt.subType = MediaSubType.ARGB32; // Can't use the compression type to compute the subtype
m_pmt.formatSize = Marshal.SizeOf(vih2) + (3 * (m_bpp / 8)); // Make room for the bitfields
m_pmt.formatPtr = Marshal.AllocCoTaskMem(m_pmt.formatSize);
if (m_bpp != 16)
{
vih2.BmiHeader.Size += 3 * sizeof(int);
// One byte per color
Marshal.WriteInt32(m_pmt.formatPtr, 0xff); // Red
Marshal.WriteInt32(m_pmt.formatPtr, 4, 0xff00); // Green
Marshal.WriteInt32(m_pmt.formatPtr, 8, 0xff0000); // Blue
}
else
{
// Todo - 555, 565
}
iStride = (m_Width * m_bpp) / 8;
}
else
{
// Calculate the stride from the compression type
MFExtern.MFGetStrideForBitmapInfoHeader(vih2.BmiHeader.Compression, vih2.BmiHeader.Width, out iStride);
m_pmt.subType = (Guid)m_SubType;
m_pmt.formatSize = Marshal.SizeOf(vih2);
m_pmt.formatPtr = Marshal.AllocCoTaskMem(m_pmt.formatSize);
}
m_pmt.sampleSize = iStride * m_Height;
Marshal.StructureToPtr(vih2, m_pmt.formatPtr, false);
int hr = psc.SetPinMediaType(m_pmt);
DsError.ThrowExceptionForHR(hr);
}
private void ConfigurePusher(IGenericSampleConfig2 ips, ImageHandler ih)
{
int hr;
ih.SetMediaType(ips);
// Specify the callback routine to call with each sample
hr = ips.SetBitmapCB(ih);
DsError.ThrowExceptionForHR(hr);
}
