IltmmAudioFormat::get_SampleFrequency

#include "ltmm.h"

C Syntax	HRESULT IltmmAudioFormat__get_SampleFrequency(pAudioFormat, pVal)
C++ Syntax	HRESULT get_SampleFrequency(pVal)

IltmmAudioFormat *pAudioFormat;	/* pointer to an interface */
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.

Parameter	Description
pAudioFormat	Pointer to an IltmmAudioFormat Interface.
pVal	Pointer to a variable to be updated with the audio format's sample frequency.

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.

Comments

Call IltmmAudioFormat::get_Channels to get the number of channels for the audio format and call IltmmAudioFormat::get_BitsPerSample to get the number of bits per sample for the audio format.

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.

Win32, x64

See Also

Elements:	IltmmAudioFormat Interface, IltmmAudioFormat::get_BitsPerSample, IltmmAudioFormat::get_Channels
Topics:	Multimedia Function Group

Example