ReactOS 0.4.15-dev-8146-gdc0ed6d
functiontable.c
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1/*
2 * PROJECT: ReactOS Sound System "MME Buddy" Library
3 * LICENSE: GPL - See COPYING in the top level directory
4 * FILE: lib/drivers/sound/mmebuddy/functiontable.c
5 *
6 * PURPOSE: Routes function calls through a function table, calling
7 * implementation-defined routines or a default function, depending
8 * on configuration.
9 *
10 * PROGRAMMERS: Andrew Greenwood (silverblade@reactos.org)
11*/
12
13#include "precomp.h"
14
15/*
16 Attaches a function table to a sound device. Any NULL entries in this
17 table are automatically set to point to a default routine to handle
18 the appropriate function.
19*/
22 IN PSOUND_DEVICE SoundDevice,
24{
27
28 /* Zero out the existing function table (if present) */
29 ZeroMemory(&SoundDevice->FunctionTable, sizeof(MMFUNCTION_TABLE));
30
31 if ( ! FunctionTable )
33
34 /* Fill in the client-supplied functions */
35 CopyMemory(&SoundDevice->FunctionTable,
37 sizeof(MMFUNCTION_TABLE));
38
39 return MMSYSERR_NOERROR;
40}
41
42/*
43 Retrieves the function table for a sound device, as previously set using
44 SetSoundDeviceFunctionTable.
45*/
48 IN PSOUND_DEVICE SoundDevice,
50{
53
54 *FunctionTable = &SoundDevice->FunctionTable;
55
56 return MMSYSERR_NOERROR;
57}
MMRESULT GetSoundDeviceFunctionTable(IN PSOUND_DEVICE SoundDevice, OUT PMMFUNCTION_TABLE *FunctionTable)
Definition: functiontable.c:47
MMRESULT SetSoundDeviceFunctionTable(IN PSOUND_DEVICE SoundDevice, IN PMMFUNCTION_TABLE FunctionTable)
Definition: functiontable.c:21
BOOLEAN IsValidSoundDevice(IN PSOUND_DEVICE SoundDevice)
Definition: devicelist.c:87
#define VALIDATE_MMSYS_PARAMETER(parameter_condition)
Definition: mmebuddy.h:71
UINT MMRESULT
Definition: mmsystem.h:962
#define MMSYSERR_INVALPARAM
Definition: mmsystem.h:107
#define MMSYSERR_NOERROR
Definition: mmsystem.h:96
#define IN
Definition: typedefs.h:39
#define OUT
Definition: typedefs.h:40
#define ZeroMemory
Definition: winbase.h:1712
#define CopyMemory
Definition: winbase.h:1710
static WLX_DISPATCH_VERSION_1_4 FunctionTable
Definition: wlx.c:722