#include "ltmm.h"
C Syntax |
HRESULT IltmmMediaInfo_get_VideoWidth(pMediaInfo, pVal) |
C++ Syntax |
HRESULT get_VideoWidth(pVal) |
IltmmMediaInfo *pMediaInfo; |
pointer to an interface |
long * pVal; |
pointer to a variable |
Retrieves the video width, in pixels, for the current stream in the current source media file.
Parameter |
Description |
pMediaInfo |
Pointer to an IltmmMediaInfo interface. |
pVal |
Pointer to a variable that receives the video width, in pixels. |
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. |
This function will fail if the current stream is not a video stream .
The current source media file, set using IltmmMediaInfo::put_SourceFile, is the file for which the IltmmMediaInfo interface/object gets information. IltmmMediaInfo::put_SourceFile must be called before calling any of the other IltmmMediaInfo functions used for retrieving information.
To set the current stream, call IltmmMediaInfo::put_CurrentStream.
Required DLLs and Libraries
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
For a C example, refer to Retrieving Media File Information for C.
For a C++ example, refer to Retrieving Media File Information for C++.
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