private void Config()
{
IWMWriter pWMWriter;
IWMProfileManager pWMProfileManager = null;
IWMProfile pWMProfile = null;
INSSBuffer pSample;
// Profile id for "Windows Media Video 8 for Dial-up Modem (No audio, 56 Kbps)"
Guid guidProfileID = new Guid(0x6E2A6955, 0x81DF, 0x4943, 0xBA, 0x50, 0x68, 0xA9, 0x86, 0xA7, 0x08, 0xF6);
WMUtils.WMCreateProfileManager(out pWMProfileManager);
IWMProfileManager2 pProfileManager2 = (IWMProfileManager2)pWMProfileManager;
pProfileManager2.SetSystemProfileVersion(WMVersion.V8_0);
pProfileManager2.LoadProfileByID(guidProfileID, out pWMProfile);
WMUtils.WMCreateWriter(IntPtr.Zero, out pWMWriter);
pWMWriter.SetProfile(pWMProfile);
pWMWriter.SetOutputFilename("foo.out");
Marshal.ReleaseComObject(pWMProfile);
Marshal.ReleaseComObject(pWMProfileManager);
pWMWriter.BeginWriting();
pWMWriter.AllocateSample(MAXLENGTH, out pSample);
m_pSample = (INSSBuffer3)pSample;
}
private void Config()
{
IWMProfileManager pWMProfileManager;
IWMProfile pProfile;
WMUtils.WMCreateProfileManager(out pWMProfileManager);
IWMProfileManager2 pProfileManager2 = (IWMProfileManager2)pWMProfileManager;
pProfileManager2.SetSystemProfileVersion(WMVersion.V8_0);
pProfileManager2.LoadProfileByID(guidProfileID, out pProfile);
m_pProfile2 = (IWMProfile2)pProfile;
}
private void Config()
{
IWMProfileManager pWMProfileManager;
IWMProfile pProfile;
Guid guidProfileID = new Guid("{5B16E74B-4068-45B5-B80E-7BF8C80D2C2F}");
WMUtils.WMCreateProfileManager(out pWMProfileManager);
IWMProfileManager2 pProfileManager2 = (IWMProfileManager2)pWMProfileManager;
pProfileManager2.SetSystemProfileVersion(WMVersion.V8_0);
pProfileManager2.LoadProfileByID(guidProfileID, out pProfile);
m_pProfile3 = (IWMProfile3)pProfile;
}
private IWMProfile CreateProfile()
{
IWMProfileManager pWMProfileManager = null;
IWMProfile pWMProfile = null;
// Open the profile manager
WMUtils.WMCreateProfileManager(out pWMProfileManager);
// Convert pWMProfileManager to a IWMProfileManager2
IWMProfileManager2 pProfileManager2 = (IWMProfileManager2)pWMProfileManager;
// Specify the version number of the profiles to use
pProfileManager2.SetSystemProfileVersion(WMVersion.V8_0);
pProfileManager2.LoadProfileByID(g, out pWMProfile);
return(pWMProfile);
}
/// <summary>
/// Create filename from specified profile using specified framerate
/// </summary>
/// <param name="lpszFileName">File name to create</param>
/// <param name="guidProfileID">WM Profile to use for compression</param>
/// <param name="iFrameRate">Frames Per Second</param>
public CwmvFile(string lpszFileName, ref Guid guidProfileID, int iFrameRate)
{
Guid guidInputType;
int dwInputCount;
IWMProfileManager pWMProfileManager = null;
IWMProfile pWMProfile = null;
// Initialize all member variables
m_iFrameRate = iFrameRate;
m_dwVideoInput = -1;
m_dwCurrentVideoSample = 0;
m_msVideoTime = 0;
m_pWMWriter = null;
m_pInputProps = null;
m_Init = false;
try
{
// Open the profile manager
WMUtils.WMCreateProfileManager(out pWMProfileManager);
// Convert pWMProfileManager to a IWMProfileManager2
IWMProfileManager2 pProfileManager2 = (IWMProfileManager2)pWMProfileManager;
// Specify the version number of the profiles to use
pProfileManager2.SetSystemProfileVersion(WMVersion.V8_0);
// Load the profile specified by the caller
pProfileManager2.LoadProfileByID(guidProfileID, out pWMProfile);
// Create a writer. This is the interface we actually write with
WMUtils.WMCreateWriter(IntPtr.Zero, out m_pWMWriter);
// Set the profile we got into the writer. This controls compression, video
// size, # of video channels, # of audio channels, etc
m_pWMWriter.SetProfile(pWMProfile);
// Find out how many inputs are in the current profile
m_pWMWriter.GetInputCount(out dwInputCount);
// Assume we won't find any video pins
m_dwVideoInput = -1;
// Find the first video input on the writer
for (int i = 0; i < dwInputCount; i++)
{
// Get the properties of channel #i
m_pWMWriter.GetInputProps(i, out m_pInputProps);
// Read the type of the channel
m_pInputProps.GetType(out guidInputType);
// If it is video, we are done
if (guidInputType == MediaType.Video)
{
m_dwVideoInput = i;
break;
}
}
// Didn't find a video channel
if (m_dwVideoInput == -1)
{
throw new Exception("Profile does not accept video input");
}
// Specify the file name for the output
m_pWMWriter.SetOutputFilename(lpszFileName);
}
catch
{
Close();
throw;
}
finally
{
// Release the locals
if (pWMProfile != null)
{
Marshal.ReleaseComObject(pWMProfile);
pWMProfile = null;
}
if (pWMProfileManager != null)
{
Marshal.ReleaseComObject(pWMProfileManager);
pWMProfileManager = null;
}
}
}
