capSetAudioFormat macro (vfw.h)

The capSetAudioFormat macro sets the audio format to use when performing streaming or step capture. You can use this macro or explicitly call the WM_CAP_SET_AUDIOFORMAT message.

Syntax

void capSetAudioFormat(
   hwnd,
   s,
   wSize
);

Parameters

hwnd

Handle to a capture window.

s

Pointer to a WAVEFORMATEX or PCMWAVEFORMAT structure that defines the audio format.

wSize

Size, in bytes, of the structure referenced by psAudioFormat.

Return value

None

Requirements

Requirement Value
Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header vfw.h

See also

PCMWAVEFORMAT

Video Capture

Video Capture Macros

WAVEFORMATEX

WM_CAP_SET_AUDIOFORMAT