1 /*
2  * PROJECT:     ReactOS Sound System "MME Buddy" Library
3  * LICENSE:     GPL - See COPYING in the top level directory
4  * FILE:        lib/sound/mmebuddy/wave/widMessage.c
5  *
6  * PURPOSE:     Provides the widMessage exported function, as required by
7  *              the MME API, for wave input device support.
8  *
9  * PROGRAMMERS: Andrew Greenwood (silverblade@reactos.org)
10 */
11 
12 #include "precomp.h"
13 
14 /*
15     Standard MME driver entry-point for messages relating to wave audio
16     input.
17 */
18 DWORD
19 APIENTRY
20 widMessage(
21     UINT DeviceId,
22     UINT Message,
23     DWORD_PTR PrivateHandle,
24     DWORD_PTR Parameter1,
25     DWORD_PTR Parameter2)
26 {
27     MMRESULT Result = MMSYSERR_NOTSUPPORTED;
28 
29     AcquireEntrypointMutex(WAVE_IN_DEVICE_TYPE);
30 
31     SND_TRACE(L"widMessage - Message type %d\n", Message);
32 
33     switch ( Message )
34     {
35         case WIDM_GETNUMDEVS :
36         {
37             Result = GetSoundDeviceCount(WAVE_IN_DEVICE_TYPE);
38             break;
39         }
40 
41         case WIDM_START :
42         {
43             Result = MmeSetState(PrivateHandle, TRUE);
44             break;
45         }
46 
47         case WIDM_STOP :
48         {
49             Result = MmeSetState(PrivateHandle, FALSE);
50             break;
51         }
52 
53         case WIDM_GETDEVCAPS :
54         {
55 
56             Result = MmeGetSoundDeviceCapabilities(WAVE_IN_DEVICE_TYPE,
57                                                    DeviceId,
58                                                    (PVOID) Parameter1,
59                                                    Parameter2);
60             break;
61         }
62         case WIDM_OPEN :
63         {
64             Result = MmeOpenDevice(WAVE_IN_DEVICE_TYPE,
65                                        DeviceId,
66                                        (LPWAVEOPENDESC) Parameter1,
67                                        Parameter2,
68                                        (DWORD_PTR*) PrivateHandle);
69             break;
70         }
71 
72         case WIDM_CLOSE :
73         {
74             Result = MmeCloseDevice(PrivateHandle);
75 
76             break;
77         }
78 
79         case WIDM_PREPARE :
80         {
81             /* TODO: Do we need to pass 2nd parameter? */
82             Result = MmePrepareWaveHeader(PrivateHandle, Parameter1);
83             break;
84         }
85 
86         case WIDM_UNPREPARE :
87         {
88             Result = MmeUnprepareWaveHeader(PrivateHandle, Parameter1);
89             break;
90         }
91 
92         case WIDM_RESET :
93         {
94             /* Stop playback, reset position to zero */
95             Result = MmeResetWavePlayback(PrivateHandle);
96             break;
97         }
98 
99         case WIDM_ADDBUFFER :
100         {
101             Result = MmeWriteWaveHeader(PrivateHandle, Parameter1);
102             break;
103         }
104 
105         case DRV_QUERYDEVICEINTERFACESIZE :
106         {
107             Result = MmeGetDeviceInterfaceString(WAVE_IN_DEVICE_TYPE, DeviceId, NULL, 0, (DWORD*)Parameter1); //FIXME DWORD_PTR
108             break;
109         }
110 
111         case DRV_QUERYDEVICEINTERFACE :
112         {
113             Result = MmeGetDeviceInterfaceString(WAVE_IN_DEVICE_TYPE, DeviceId, (LPWSTR)Parameter1, Parameter2, NULL); //FIXME DWORD_PTR
114             break;
115         }
116 
117 
118     }
119 
120     SND_TRACE(L"widMessage returning MMRESULT %d\n", Result);
121 
122     ReleaseEntrypointMutex(WAVE_IN_DEVICE_TYPE);
123 
124     return Result;
125 }
126