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WM_CAP_SET_AUDIOFORMAT message

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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 Value

Returns TRUE if successful or FALSE otherwise.

Requirements

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

See also

Video Capture

Video Capture Messages