IltmfTargetAudioTypes::FindFormat

#include "ltmf.h"

C Syntax

HRESULT IltmfTargetAudioTypes_FindFormat(pTargetAudioTypes, format,  Index)

C++ Syntax

HRESULT FindFormat(pTargetAudioTypes, format, pVal)

IltmfTargetAudioTypes pTargetAudioTypes;

pointer to an interface

IltmfTargetFormat format;

pointer to IltmfTargetFormat interface

long *pVal;

pointer to a variable

Determines the index of a specific target audio type in the collection based on the audio properties in the IltmfTargetFormat interface.

Parameter

Description

pTargetAudioTypes

Pointer to an IltmfTargetAudioTypes Interface.

format

pointer to IltmfTargetFormat interface that contains audio properties which is the same as the target audio type's properties.

pVal

Pointer to a variable that receives the zero based index of the matching target audio type. 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 MediaFoundation documentation.

Comments

The audio properties that are used in the search criteria are IltmfTargetFormat::get_AudioAvgBytesPerSecond, IltmfTargetFormat::get_AudioBitsPerSample, IltmfTargetFormat::get_AudioNumChannels and IltmfTargetFormat::get_AudioSamplesPerSecond.

Required DLLs and Libraries

LTMF

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64

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