LEADTOOLS Media Foundation Help
| LEADTOOLS Media Foundation Help > LEADTOOLS Media Foundation Features > Media Foundation Function References > IltmfTargetAudioTypes Interface > IltmfTargetAudioTypes::FindFormat |
#include "ltmf.h"
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C Syntax |
HRESULT IltmfTargetAudioTypes_FindFormat(pTargetAudioTypes, pTargetFormat, Index) |
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C++ Syntax |
HRESULT FindFormat(pTargetAudioTypes, pTargetFormat, pVal) |
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IltmfTargetAudioTypes *pTargetAudioTypes; |
/* pointer to an interface */ |
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IltmfTargetFormat* pTargetFormat; |
/* pointer to IltmfTargetFormat interface */ |
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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.
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Parameter |
Description |
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pTargetAudioTypes |
Pointer to an IltmfTargetAudioTypes Interface. |
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pTargetFormat |
pointer to IltmfTargetFormat interface that contains audio properties which is the same as the target audio type's properties. |
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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
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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 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
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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
See Also
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Elements: |
IltmfTargetAudioTypes::get_Count, IltmfTargetAudioTypes::Item, IltmfTargetAudioTypes::Find |
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Topics: |
Example
For a C++ example, refer to Recompressing MP4 File Example for C++.
