private void TestMark()
{
short w1, w2, w3;
m_head.GetMarkerCount(out w1);
m_head.AddMarker("mark1", 12340000);
m_head.GetMarkerCount(out w2);
Debug.Assert(w2 == w1 + 1);
long l;
short pLen = 0;
m_head.GetMarker((short)(w2 - 1), null, ref pLen, out l);
StringBuilder sb = new StringBuilder(pLen);
m_head.GetMarker((short)(w2 - 1), sb, ref pLen, out l);
Debug.Assert(sb.ToString() == "mark1" && l == 12340000);
m_head.RemoveMarker((short)(w2 - 1));
m_head.GetMarkerCount(out w3);
Debug.Assert(w3 == w1);
}
/// <summary>
/// Add a marher to the header info. Wraps IWMHeaderInfo.AddMarker
/// </summary>
/// <param name="m">Marker to add. <see cref="Marker"/></param>
public void AddMarker(Marker m)
{
m_HeaderInfo.AddMarker(m.Name, m.Time);
}
//------------------------------------------------------------------------------
// Name: CWMVCopy::CopyMarker()
// Desc: Copies the markers from the source file to the destination file.
//------------------------------------------------------------------------------
protected void CopyMarker(string pwszOutputFile)
{
short cMarker = 0;
IWMMetadataEditor pEditor = null;
IWMHeaderInfo pWriterHeaderInfo = null;
StringBuilder pwszMarkerName = null;
m_pReaderHeaderInfo.GetMarkerCount(out cMarker);
//
// Markers can be copied only by the metadata editor.
// Create an editor
//
WMUtils.WMCreateEditor(out pEditor);
try
{
//
// Open the output using the editor
//
pEditor.Open(pwszOutputFile);
pWriterHeaderInfo = pEditor as IWMHeaderInfo;
for (short i = 0; i < cMarker; i++)
{
short cchMarkerNameLen = 0;
long cnsMarkerTime = 0;
//
// Get the memory size for this marker
//
m_pReaderHeaderInfo.GetMarker(i,
null,
ref cchMarkerNameLen,
out cnsMarkerTime);
pwszMarkerName = new StringBuilder(cchMarkerNameLen);
m_pReaderHeaderInfo.GetMarker(i,
pwszMarkerName,
ref cchMarkerNameLen,
out cnsMarkerTime);
//
// Add marker to the writer
//
pWriterHeaderInfo.AddMarker(pwszMarkerName.ToString(),
cnsMarkerTime);
}
//
// Close and release the editor
//
pEditor.Flush();
pEditor.Close();
}
finally
{
Marshal.ReleaseComObject(pEditor);
}
}