Interface IDirectSoundBuffer

Unit

unaVCDSIntf

Declaration

type IDirectSoundBuffer = interface(IUnknown)

Description

IDirectSoundBuffer

Attributes

GUID['{279AFA85-4981-11CE-A521-0020AF0BE560}']

Hierarchy

• IUnknown
• IDirectSoundBuffer

Overview

Methods

	function GetCaps(var pDSBufferCaps: TDSBcaps): HResult; stdcall;
	function GetCurrentPosition(pdwCurrentPlayCursor, pdwCurrentWriteCursor: PDWORD): HResult; stdcall;
	function GetFormat(pwfxFormat: PWaveFormatEx; dwSizeAllocated: DWORD; pdwSizeWritten: PDWORD): HResult; stdcall;
	function GetFrequency(out pdwFrequency: DWORD): HResult; stdcall;
	function GetPan(out plPan: Longint): HResult; stdcall;
	function GetStatus(out pdwStatus: DWORD): HResult; stdcall;
	function GetVolume(out plVolume: Longint): HResult; stdcall;
	function Initialize(pDirectSound: IDirectSound; const pcDSBufferDesc: TDSBufferDesc): HResult; stdcall;
	function Lock(dwOffset, dwBytes: DWORD; ppvAudioPtr1: PPointer; pdwAudioBytes1: PDWORD; ppvAudioPtr2: PPointer; pdwAudioBytes2: PDWORD; dwFlags: DWORD): HResult; stdcall;
	function Play(dwReserved1, dwPriority, dwFlags: DWORD): HResult; stdcall;
	function Restore: HResult; stdcall;
	function SetCurrentPosition(dwNewPosition: DWORD): HResult; stdcall;
	function SetFormat(pcfxFormat: PWaveFormatEx): HResult; stdcall;
	function SetFrequency(dwFrequency: DWORD): HResult; stdcall;
	function SetPan(lPan: Longint): HResult; stdcall;
	function SetVolume(lVolume: Longint): HResult; stdcall;
	function Stop: HResult; stdcall;
	function Unlock(pvAudioPtr1: Pointer; dwAudioBytes1: DWORD; pvAudioPtr2: Pointer; dwAudioBytes2: DWORD): HResult; stdcall;

Description

Methods

	function GetCaps(var pDSBufferCaps: TDSBcaps): HResult; stdcall;
IDirectSoundBuffer methods

	function GetCurrentPosition(pdwCurrentPlayCursor, pdwCurrentWriteCursor: PDWORD): HResult; stdcall;

	function GetFormat(pwfxFormat: PWaveFormatEx; dwSizeAllocated: DWORD; pdwSizeWritten: PDWORD): HResult; stdcall;

	function GetFrequency(out pdwFrequency: DWORD): HResult; stdcall;

	function GetPan(out plPan: Longint): HResult; stdcall;

	function GetStatus(out pdwStatus: DWORD): HResult; stdcall;

	function GetVolume(out plVolume: Longint): HResult; stdcall;

	function Initialize(pDirectSound: IDirectSound; const pcDSBufferDesc: TDSBufferDesc): HResult; stdcall;

	function Lock(dwOffset, dwBytes: DWORD; ppvAudioPtr1: PPointer; pdwAudioBytes1: PDWORD; ppvAudioPtr2: PPointer; pdwAudioBytes2: PDWORD; dwFlags: DWORD): HResult; stdcall;

	function Play(dwReserved1, dwPriority, dwFlags: DWORD): HResult; stdcall;

	function Restore: HResult; stdcall;

	function SetCurrentPosition(dwNewPosition: DWORD): HResult; stdcall;

	function SetFormat(pcfxFormat: PWaveFormatEx): HResult; stdcall;

	function SetFrequency(dwFrequency: DWORD): HResult; stdcall;

	function SetPan(lPan: Longint): HResult; stdcall;

	function SetVolume(lVolume: Longint): HResult; stdcall;

	function Stop: HResult; stdcall;

	function Unlock(pvAudioPtr1: Pointer; dwAudioBytes1: DWORD; pvAudioPtr2: Pointer; dwAudioBytes2: DWORD): HResult; stdcall;

(c) 2012 Lake of Soft