#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. |
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. |
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. |
Win32, x64
Elements: |
IltmfTargetAudioTypes::get_Count, IltmfTargetAudioTypes::Item, IltmfTargetAudioTypes::Find |
Topics: |
For a C++ example, refer to Recompressing MP4 File Example for C++.
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