//------------------------------------------------------------------------------
// Name: CWMVCopy::CreateReader()
// Desc: Creates a reader and opens the source file using this reader.
//------------------------------------------------------------------------------
protected void CreateReader(string pwszInputFile)
{
Console.WriteLine("Creating the Reader...");
//
// Create a reader
//
WMUtils.WMCreateReader(IntPtr.Zero, 0, out m_pReader);
//
// Get the IWMReaderAdvanced interface
//
m_pReaderAdvanced = m_pReader as IWMReaderAdvanced;
//
// Get the IWMHeaderInfo interface of the reader
//
m_pReaderHeaderInfo = m_pReader as IWMHeaderInfo;
//
// Open the reader; use "this" as the callback interface.
//
m_pReader.Open(pwszInputFile, this, IntPtr.Zero);
//
// Wait until WMT_OPENED status message is received in OnStatus()
//
WaitForCompletion();
//
// Get the duration of the source file
//
short wStreamNumber = 0;
AttrDataType enumType;
short cbLength = 8; // sizeof(m_qwDuration);
byte[] b = new byte[cbLength];
m_pReaderHeaderInfo.GetAttributeByName(ref wStreamNumber,
Constants.g_wszWMDuration,
out enumType,
b,
ref cbLength);
m_qwDuration = BitConverter.ToInt64(b, 0);
if (m_qwDuration == 0)
{
throw new COMException("Duration is zero", E_InvalidArgument);
}
//
// Turn on the user clock
//
m_pReaderAdvanced.SetUserProvidedClock(true);
//
// Turn on manual stream selection, so we get all streams.
//
m_pReaderAdvanced.SetManualStreamSelection(true);
}
private void Config()
{
WMUtils.WMCreateReader(IntPtr.Zero, 0, out m_read);
}