IltmmVideoFormats::Find

#include "ltmm.h"

C Syntax

HRESULT IltmmVideoFormats_Find(pVideoFormats, SubType, Width, Height, Index)

C++ Syntax

HRESULT Find(pVideoFormats, SubType, Width, Height, Index)

 

IltmmVideoFormats *pVideoFormats;

/* pointer to an interface */

BSTR SubType;

/* subtype format*/

long Width;

/* width */

long Height;

/* height */

long *Index;

/* pointer to a variable */

Retrieves the index of the video format that matches the specified criteria (subtype, width and height).

Parameter

Description

pVideoFormats

Pointer to an IltmmVideoFormats Interface.

SubType

Character string that contains the video subtype format. For a list of possible values, refer to the Media Subtypes section of the Format Types, Media Types and Media Subtypes.

Width

The video width in pixels.

Height

The video height in pixels.

Index

Pointer to a variable that receives the zero based index of the matching video format. A value of –1 indicates that no match was found.

Returns

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.

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.

See Also

Elements:

IltmmVideoFormats::get_Count, IltmmVideoFormats::Item, IltmmVideoFormats::get_Selection, IltmmVideoFormats::put_Selection

Topics:

Multimedia Function Group

Example

For a C example, refer to the IltmmVideoFormats::get_Count Example for C.

For a C++ example, refer to the IltmmVideoFormats::get_Count Example for C++.