LEADTOOLS Media Foundation Help
| LEADTOOLS Media Foundation Help > LEADTOOLS Media Foundation Features > Media Foundation Function References > IltmfAudioFormat Interface > IltmfAudioFormat::get_SampleFrequency |
#include "ltmf.h"
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C Syntax |
HRESULT IltmfAudioFormat_get_SampleFrequency(pAudioFormat, pVal) |
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C++ Syntax |
HRESULT get_SampleFrequency(pVal) |
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IltmfAudioFormat *pAudioFormat; |
/* pointer to an interface */ |
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long *pVal; |
/* pointer to a variable */ |
Retrieves the audio format's sample frequency, in HZ. This is the number of audio samples in one second.
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Parameter |
Description |
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pAudioFormat |
Pointer to an IltmfAudioFormat Interface. |
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pVal |
Pointer to a variable to be updated with the audio format's sample frequency. |
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
Call IltmfAudioFormat::get_Channels to get the number of channels for the audio format and call IltmfAudioFormat::get_BitsPerSample to get the number of bits per sample for the audio format.
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: |
IltmfAudioFormat Interface, IltmfAudioFormat::get_BitsPerSample, IltmfAudioFormat::get_Channels |
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Topics: |
Example
For a C++ example, refer to IltmfAudioFormats::get_Count Example for C++.
