private void button2_Click(object sender, System.EventArgs e)
{
int hr;
MPData o;
hr = m_param.GetParam(0, out o);
DMOError.ThrowExceptionForHR(hr);
o.vInt ^= 2;
hr = m_param.SetParam(0, o);
DMOError.ThrowExceptionForHR(hr);
}
void DMOBoolParam_CheckedChanged(object sender, EventArgs e)
{
MPData val = new MPData();
if (_pInfo.mopCaps == MPCaps.Jump)
{
val.vBool = Checked;
}
else
{
val.vFloat = Checked ? 1f : 0f;
}
_param.SetParam(_paramNum, val);
}
private void TestParam()
{
int hr;
MPData pData = new MPData();
pData.vFloat = 51;
hr = m_imp.SetParam(0, pData);
DMOError.ThrowExceptionForHR(hr);
hr = m_imp.GetParam(0, out pData);
DMOError.ThrowExceptionForHR(hr);
Debug.Assert(pData.vFloat == 51, "GetParam");
}
void DMOEnumParam_SelectedIndexChanged(object sender, EventArgs e)
{
MPData val = new MPData();
if (_pInfo.mopCaps == MPCaps.Jump)
{
val.vInt = SelectedIndex;
}
else
{
if (SelectedIndex == 0)
{
val.vFloat = 0f;
}
else
{
val.vFloat = (float)SelectedIndex / (float)(Items.Count - 1);
}
}
_param.SetParam(_paramNum, val);
}
void numericUpDown1_ValueChanged(object sender, EventArgs e)
{
if (!colorTrackBar1.Tracking)
{
colorTrackBar1.Value = (int)((((0 - numericUpDown1.Minimum) + numericUpDown1.Value) / ((0 - numericUpDown1.Minimum) + numericUpDown1.Maximum)) * 1000);
}
if (_initialzed)
{
// only set the value if the control is fully inititalized
MPData val = new MPData();
if (_pInfo.mopCaps == MPCaps.Jump)
{
val.vInt = (int)numericUpDown1.Value;
}
else
{
val.vFloat = (float)numericUpDown1.Value;
}
_param.SetParam(_paramNum, val);
}
}
/// <summary>
/// Sets the parameters for the mixer DMO according to
/// the given <see cref="VideoExportProperties"/>
/// </summary>
/// <param name="dmoWrapperFilter">The <see cref="IBaseFilter"/>
/// that contains the DMO.</param>
/// <param name="exportProperties">The <see cref="VideoExportProperties"/>
/// to use.</param>
private void SetDMOParams(IBaseFilter dmoWrapperFilter, VideoExportProperties exportProperties)
{
int hr;
IMediaParams dmoParams = dmoWrapperFilter as IMediaParams;
MPData outputBackground = new MPData();
MPData streamTop = new MPData();
MPData streamLeft = new MPData();
MPData streamHeight = new MPData();
MPData streamWidth = new MPData();
MPData streamAlpha = new MPData();
// Get Background color
Color bkg = exportProperties.OutputVideoColor;
// Convert to integer value AARRGGBB
outputBackground.vInt = bkg.ToArgb();
// Set DMO param
hr = dmoParams.SetParam(0, outputBackground);
DMOError.ThrowExceptionForHR(hr);
streamLeft.vFloat = exportProperties.GazeVideoProperties.StreamPosition.Left;
hr = dmoParams.SetParam(1, streamLeft);
DMOError.ThrowExceptionForHR(hr);
streamTop.vFloat = exportProperties.GazeVideoProperties.StreamPosition.Top;
hr = dmoParams.SetParam(2, streamTop);
DMOError.ThrowExceptionForHR(hr);
streamWidth.vFloat = exportProperties.GazeVideoProperties.StreamPosition.Width;
hr = dmoParams.SetParam(3, streamWidth);
DMOError.ThrowExceptionForHR(hr);
streamHeight.vFloat = exportProperties.GazeVideoProperties.StreamPosition.Height;
hr = dmoParams.SetParam(4, streamHeight);
DMOError.ThrowExceptionForHR(hr);
streamAlpha.vFloat = exportProperties.GazeVideoProperties.StreamAlpha;
hr = dmoParams.SetParam(5, streamAlpha);
DMOError.ThrowExceptionForHR(hr);
streamLeft.vFloat = exportProperties.UserVideoProperties.StreamPosition.Left;
hr = dmoParams.SetParam(6, streamLeft);
DMOError.ThrowExceptionForHR(hr);
streamTop.vFloat = exportProperties.UserVideoProperties.StreamPosition.Top;
hr = dmoParams.SetParam(7, streamTop);
DMOError.ThrowExceptionForHR(hr);
streamWidth.vFloat = exportProperties.UserVideoProperties.StreamPosition.Width;
hr = dmoParams.SetParam(8, streamWidth);
DMOError.ThrowExceptionForHR(hr);
streamHeight.vFloat = exportProperties.UserVideoProperties.StreamPosition.Height;
hr = dmoParams.SetParam(9, streamHeight);
DMOError.ThrowExceptionForHR(hr);
streamAlpha.vFloat = exportProperties.UserVideoProperties.StreamAlpha;
hr = dmoParams.SetParam(10, streamAlpha);
DMOError.ThrowExceptionForHR(hr);
}
private void SetDMOParams(DirectShowLib.IBaseFilter dmoWrapperFilter)
{
int hr;
Guid g;
int i;
int pc;
ParamInfo pInfo;
IMediaParamInfo paramInfo = dmoWrapperFilter as IMediaParamInfo;
// With a little effort, a generic parameter handling routine
// could be produced. You know the number of parameters (GetParamCount),
// the type of the parameter (pInfo.mpType), the range of values for
// int and float (pInfo.mpdMinValue, pInfo.mpdMaxValue), if the parameter is an
// enum, you have the strings (GetParamText).
hr = paramInfo.GetParamCount(out pc);
DMOError.ThrowExceptionForHR(hr);
// Walk all the parameters
for (int pCur = 0; pCur < pc; pCur++)
{
IntPtr ip;
hr = paramInfo.GetParamInfo(pCur, out pInfo);
DMOError.ThrowExceptionForHR(hr);
hr = paramInfo.GetParamText(0, out ip);
DMOError.ThrowExceptionForHR(hr);
try
{
string sName, sUnits;
string[] sEnum;
ParseParamText(ip, out sName, out sUnits, out sEnum);
Debug.WriteLine(string.Format("Parameter name: {0}", sName));
Debug.WriteLine(string.Format("Parameter units: {0}", sUnits));
// Not all params will have enumerated strings.
if (pInfo.mpType == MPType.ENUM)
{
// The final entry in "splitted" will be a blank (used to terminate the list).
for (int x = 0; x < sEnum.Length; x++)
{
Debug.WriteLine(string.Format("Parameter Enum strings: {0} = {1}", x, sEnum[x]));
}
}
}
finally
{
Marshal.FreeCoTaskMem(ip);
}
}
hr = paramInfo.GetCurrentTimeFormat(out g, out i);
DMOError.ThrowExceptionForHR(hr);
hr = paramInfo.GetSupportedTimeFormat(0, out g);
DMOError.ThrowExceptionForHR(hr);
MPData o = new MPData();
m_param = dmoWrapperFilter as IMediaParams;
o.vInt = 0;
hr = m_param.SetParam(0, o);
DMOError.ThrowExceptionForHR(hr);
}
private void SetDMOParams(IBaseFilter dmoWrapperFilter)
{
int hr;
Guid g;
int i;
int pc;
ParamInfo pInfo;
IMediaParamInfo paramInfo = dmoWrapperFilter as IMediaParamInfo;
// With a little effort, a generic parameter handling routine
// could be produced. You know the number of parameters (GetParamCount),
// the type of the parameter (pInfo.mpType), the range of values for
// int and float (pInfo.mpdMinValue, pInfo.mpdMaxValue), if the parameter is an
// enum, you have the strings (GetParamText).
hr = paramInfo.GetParamCount(out pc);
DMOError.ThrowExceptionForHR(hr);
// Walk all the parameters
for (int pCur = 0; pCur < pc; pCur++)
{
IntPtr ip;
hr = paramInfo.GetParamInfo(pCur, out pInfo);
DMOError.ThrowExceptionForHR(hr);
hr = paramInfo.GetParamText(0, out ip);
DMOError.ThrowExceptionForHR(hr);
try
{
string sName, sUnits;
string [] sEnum;
ParseParamText(ip, out sName, out sUnits, out sEnum);
Debug.WriteLine(string.Format("Parameter name: {0}", sName));
Debug.WriteLine(string.Format("Parameter units: {0}", sUnits));
// Not all params will have enumerated strings.
if (pInfo.mpType == MPType.ENUM)
{
// The final entry in "splitted" will be a blank (used to terminate the list).
for (int x = 0; x < sEnum.Length; x++)
{
Debug.WriteLine(string.Format("Parameter Enum strings: {0} = {1}", x, sEnum[x]));
}
}
}
finally
{
Marshal.FreeCoTaskMem(ip);
}
}
hr = paramInfo.GetCurrentTimeFormat(out g, out i);
DMOError.ThrowExceptionForHR(hr);
hr = paramInfo.GetSupportedTimeFormat(0, out g);
DMOError.ThrowExceptionForHR(hr);
MPData o = new MPData();
m_param = dmoWrapperFilter as IMediaParams;
o.vInt = 0;
hr = m_param.SetParam(0, o);
DMOError.ThrowExceptionForHR(hr);
}