WM_CAP_SET_AUDIOFORMAT

  • Article

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

WM_CAP_SET_AUDIOFORMAT 
wParam = (WPARAM) (wSize); 
lParam = (LPARAM) (LPVOID) (LPWAVEFORMATEX) (psAudioFormat);

Parameters

wSize

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

psAudioFormat

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

Return Values

Returns TRUE if successful or FALSE otherwise.

Requirements

**  Windows NT/2000/XP:** Included in Windows NT 3.1 and later.
**  Windows 95/98/Me:** Included in Windows 95 and later.
**  Header:** Declared in Vfw.h.

See Also

Video Capture, Video Capture Messages, capSetAudioFormat, PCMWAVEFORMAT, WAVEFORMATEX