private void TestCodec()
{
int c1, c2;
m_head.GetCodecInfoCount(out c1);
m_head.AddCodecInfo("moo", "fooit", CodecInfoType.Unknown, 0, new byte[0]);
m_head.GetCodecInfoCount(out c2);
Debug.Assert(c2 == c1 + 1);
}
//------------------------------------------------------------------------------
// Name: CWMVCopy:CopyCodecInfo()
// Desc: Copies codec information from the reader header to the writer header.
//------------------------------------------------------------------------------
protected void CopyCodecInfo()
{
int cCodecInfo;
StringBuilder pwszName = null;
StringBuilder pwszDescription = null;
byte[] pbCodecInfo = null;
IWMHeaderInfo3 pReaderHeaderInfo3 = null;
IWMHeaderInfo3 pWriterHeaderInfo3 = null;
pReaderHeaderInfo3 = m_pReaderHeaderInfo as IWMHeaderInfo3;
pWriterHeaderInfo3 = m_pWriterHeaderInfo as IWMHeaderInfo3;
pReaderHeaderInfo3.GetCodecInfoCount(out cCodecInfo);
for (int i = 0; i < cCodecInfo; i++)
{
CodecInfoType enumCodecType;
short cchName = 0;
short cchDescription = 0;
short cbCodecInfo = 0;
//
// Get codec info from the source
//
pReaderHeaderInfo3.GetCodecInfo(i, ref cchName, null,
ref cchDescription, null, out enumCodecType,
ref cbCodecInfo, null);
pwszName = new StringBuilder(cchName);
pwszDescription = new StringBuilder(cchDescription);
pbCodecInfo = new byte[cbCodecInfo];
pReaderHeaderInfo3.GetCodecInfo(i, ref cchName, pwszName,
ref cchDescription, pwszDescription, out enumCodecType,
ref cbCodecInfo, pbCodecInfo);
//
// Add the codec info to the writer
//
pWriterHeaderInfo3.AddCodecInfo(pwszName.ToString(),
pwszDescription.ToString(),
enumCodecType,
cbCodecInfo, pbCodecInfo);
}
}