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/wave/wodMessage.c
5  *
6  * PURPOSE:     Provides the wodMessage exported function, as required by
7  *              the MME API, for wave output device support.
8  *
9  * PROGRAMMERS: Andrew Greenwood (silverblade@reactos.org)
10 */
11 
12 #include "precomp.h"
13 
14 #if 0
15 MMRESULT HelloWorld(PSOUND_DEVICE_INSTANCE Instance, PVOID String)
16 {
17     PWSTR WString = (PWSTR) String;
18     SND_TRACE(WString);
19     return MMSYSERR_NOTSUPPORTED;
20 }
21 #endif
22 
23 /*
24     Standard MME driver entry-point for messages relating to wave audio
25     output.
26 */
27 DWORD
28 APIENTRY
29 wodMessage(
30     UINT DeviceId,
31     UINT Message,
32     DWORD_PTR PrivateHandle,
33     DWORD_PTR Parameter1,
34     DWORD_PTR Parameter2)
35 {
36     MMRESULT Result = MMSYSERR_NOTSUPPORTED;
37 
38     AcquireEntrypointMutex(WAVE_OUT_DEVICE_TYPE);
39 
40     SND_TRACE(L"wodMessage - Message type %d\n", Message);
41 
42     switch ( Message )
43     {
44         case WODM_GETNUMDEVS :
45         {
46             Result = GetSoundDeviceCount(WAVE_OUT_DEVICE_TYPE);
47             break;
48         }
49 
50         case WODM_GETDEVCAPS :
51         {
52             Result = MmeGetSoundDeviceCapabilities(WAVE_OUT_DEVICE_TYPE,
53                                                    DeviceId,
54                                                    (PVOID) Parameter1,
55                                                    Parameter2);
56             break;
57         }
58 
59         case WODM_OPEN :
60         {
61             Result = MmeOpenDevice(WAVE_OUT_DEVICE_TYPE,
62                                    DeviceId,
63                                    (LPWAVEOPENDESC) Parameter1,
64                                    Parameter2,
65                                    (DWORD_PTR*)PrivateHandle);
66             break;
67         }
68 
69         case WODM_CLOSE :
70         {
71             Result = MmeCloseDevice(PrivateHandle);
72 
73             break;
74         }
75 
76         case WODM_PREPARE :
77         {
78             /* TODO: Do we need to pass 2nd parameter? */
79             Result = MmePrepareWaveHeader(PrivateHandle, Parameter1);
80             break;
81         }
82 
83         case WODM_UNPREPARE :
84         {
85             Result = MmeUnprepareWaveHeader(PrivateHandle, Parameter1);
86             break;
87         }
88 
89         case WODM_WRITE :
90         {
91             Result = MmeWriteWaveHeader(PrivateHandle, Parameter1);
92             break;
93         }
94 
95         case WODM_RESET :
96         {
97             /* Stop playback, reset position to zero */
98             Result = MmeResetWavePlayback(PrivateHandle);
99             break;
100         }
101 
102         case WODM_RESTART :
103         {
104             /* Continue playback when paused */
105             Result = MmeSetState(PrivateHandle, TRUE);
106             break;
107         }
108         case WODM_PAUSE :
109         {
110             /* pause playback */
111             Result = MmeSetState(PrivateHandle, FALSE);
112             break;
113         }
114 
115         case WODM_GETPOS :
116         {
117             Result = MmeGetPosition(WAVE_OUT_DEVICE_TYPE, DeviceId, PrivateHandle, (MMTIME*)Parameter1, Parameter2);
118             break;
119         }
120 
121         case DRV_QUERYDEVICEINTERFACESIZE :
122         {
123             Result = MmeGetDeviceInterfaceString(WAVE_OUT_DEVICE_TYPE, DeviceId, NULL, 0, (DWORD*)Parameter1); //FIXME DWORD_PTR
124             break;
125         }
126 
127         case DRV_QUERYDEVICEINTERFACE :
128         {
129             Result = MmeGetDeviceInterfaceString(WAVE_OUT_DEVICE_TYPE, DeviceId, (LPWSTR)Parameter1, Parameter2, NULL); //FIXME DWORD_PTR
130             break;
131         }
132     }
133 
134     SND_TRACE(L"wodMessage returning MMRESULT %d\n", Result);
135 
136     ReleaseEntrypointMutex(WAVE_OUT_DEVICE_TYPE);
137 
138     return Result;
139 }
140