#include "ltmm.h"
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C Syntax |
HRESULT IltmmMediaInfo_get_StreamType(pMediaInfo, Type) |
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C++ Syntax |
HRESULT get_StreamType(Type) |
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IltmmMediaInfo *pMediaInfo; |
/* pointer to an interface */ |
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BSTR *Type; |
/* pointer to a string */ |
Retrieves a string representing the GUID of the type of the current stream.
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Parameter |
Description |
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pMediaInfo |
Pointer to an IltmmMediaInfo Interface. |
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Type |
Pointer to a string to be updated with the GUID of the type of the current stream. |
Returns
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S_OK |
The function was successful. |
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<> S_OK |
An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation. |
Comments
Call SysFreeString to free the memory allocated for the string when it is no longer needed.
To get the number of the current stream, call IltmmMediaInfo::get_CurrentStream.
To set the current stream, call IltmmMediaInfo::put_CurrentStream. Once the current stream has been set, information about that stream can be obtained by calling any of the following functions:
IltmmMediaInfo::get_StreamDuration
IltmmMediaInfo::get_StreamMediaType
IltmmMediaInfo::get_StreamSubtype
IltmmMediaInfo::get_StreamSubtypeName
IltmmMediaInfo::get_StreamType
IltmmMediaInfo::get_StreamTypeName
Required DLLs and Libraries
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LTMM For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Win32, x64
See Also
Example
For a C example, refer to Retrieving Media File Information for C.
For a C++ example, refer to Retrieving Media File Information for C++.