* Sync up to trunk head (r65120).
[reactos.git] / dll / win32 / mmdrv / auxil.c
1 /*
2 *
3 * COPYRIGHT: See COPYING in the top level directory
4 * PROJECT: ReactOS Multimedia
5 * FILE: lib/mmdrv/auxil.c
6 * PURPOSE: Multimedia User Mode Driver
7 * PROGRAMMER: Andrew Greenwood
8 * Aleksey Bragin
9 * UPDATE HISTORY:
10 * Mar 16, 2004: Created skeleton implementation
11 */
12
13 #include "mmdrv.h"
14
15 #define NDEBUG
16 #include <debug.h>
17
18 #include "wave.h"
19
20 APIENTRY DWORD auxMessage(UINT dwId,
21 UINT uMessage,
22 DWORD dwUser,
23 DWORD dwParam1,
24 DWORD dwParam2)
25
26 {
27 MMRESULT Result;
28 AUX_DD_VOLUME Volume;
29
30 DPRINT("auxMessage\n");
31
32
33 // the following cases are documented by DDK
34 switch (uMessage)
35 {
36 case AUXDM_GETDEVCAPS:
37 DPRINT("AUXDM_GETDEVCAPS");
38 return GetDeviceCapabilities(dwId, AuxDevice, (LPBYTE)dwParam1, (DWORD)dwParam2);
39
40 case AUXDM_GETNUMDEVS:
41 DPRINT("AUXDM_GETNUMDEVS");
42 return GetDeviceCount(AuxDevice);
43
44 case AUXDM_GETVOLUME:
45 DPRINT("AUXDM_GETVOLUME");
46 Result = AuxGetAudio(dwId, (PBYTE) &Volume, sizeof(Volume));
47
48 if (Result == MMSYSERR_NOERROR)
49 {
50 *(LPDWORD)dwParam1 = (DWORD)MAKELONG(HIWORD(Volume.Left), HIWORD(Volume.Right));
51 }
52 return Result;
53
54
55 case AUXDM_SETVOLUME:
56 DPRINT("AUXDM_SETVOLUME");
57
58 Volume.Right = HIWORD(dwParam1) << 16;
59 Volume.Left = LOWORD(dwParam1) << 16;
60
61 return AuxSetAudio(dwId, (PBYTE)&Volume, sizeof(Volume));
62
63 }
64
65 return MMSYSERR_NOERROR;
66 }
67
68
69 DWORD AuxGetAudio(DWORD dwID, PBYTE pVolume, DWORD sizeVolume)
70 {
71 HANDLE DeviceHandle;
72 MMRESULT Result;
73 DWORD BytesReturned;
74
75 Result = OpenDevice(AuxDevice, dwID, &DeviceHandle, GENERIC_READ);
76 if (Result != MMSYSERR_NOERROR)
77 return Result;
78
79
80 Result = DeviceIoControl(DeviceHandle, IOCTL_AUX_GET_VOLUME, NULL, 0, (LPVOID)pVolume, sizeVolume,
81 &BytesReturned, NULL) ? MMSYSERR_NOERROR : TranslateStatus();
82
83
84 CloseHandle(DeviceHandle);
85
86 return Result;
87 }
88
89 DWORD AuxSetAudio(DWORD dwID, PBYTE pVolume, DWORD sizeVolume)
90 {
91 HANDLE DeviceHandle;
92 MMRESULT Result;
93 DWORD BytesReturned;
94
95 Result = OpenDevice(AuxDevice, dwID, &DeviceHandle, GENERIC_READ);
96 if (Result != MMSYSERR_NOERROR)
97 return Result;
98
99 Result = DeviceIoControl(DeviceHandle, IOCTL_AUX_SET_VOLUME, (LPVOID)pVolume, sizeVolume, NULL, 0,
100 &BytesReturned, NULL) ? MMSYSERR_NOERROR : TranslateStatus();
101
102
103 CloseHandle(DeviceHandle);
104
105 return Result;
106 }
107