ILMMixCapSrcStream::get_VideoDeviceURL

Summary

Retrieves the video device's URL property.

Syntax

#include "ilmmixcapsrc.h"
Platform Syntax
C HRESULT ILMMixCapSrcStream_get_VideoDeviceURL(pixCapSrcStream, pVal)
C++ HRESULT get_VideoDeviceURL(pVal)

Parameters

ILMMixCapSrcStream * pixCapSrcStream

Pointer to an ILMMixCapSrcStream interface.

BSTR *pVal

Pointer to a string variable that receives the video device's URL property.

Returns

Value Meaning
S_OK The function was successful.
<> S_OK An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Comments

If the function succeeds, the caller must free the BSTR referenced by pVal, by calling the SysFreeString function.

If the video device does not support a URL property, then the E_NOTIMPL error is returned.

To query whether the stream's selected video device supports URLs, call ILMMixCapSrcStream::get_HasVideoDeviceURL.

To specify the stream's video device URL property, call ILMMixCapSrcStream::put_VideoDeviceURL.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

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