Added cache for drivers information.
[wine] / dlls / msacm / msacm32_main.c
1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
2
3 /*
4  *      MSACM32 library
5  *
6  *      Copyright 1998  Patrik Stridvall
7  *                1999  Eric Pouech
8  */
9
10 #include "winbase.h"
11 #include "winerror.h"
12 #include "windef.h"
13 #include "debugtools.h"
14 #include "msacm.h"
15 #include "msacmdrv.h"
16 #include "wineacm.h"
17
18 DEFAULT_DEBUG_CHANNEL(msacm);
19         
20 /**********************************************************************/
21         
22 HINSTANCE       MSACM_hInstance32 = 0;
23
24 /***********************************************************************
25  *           MSACM_LibMain (MSACM32.init) 
26  */
27 BOOL WINAPI MSACM32_LibMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpvReserved)
28 {
29     TRACE("0x%x 0x%lx %p\n", hInstDLL, fdwReason, lpvReserved);
30
31     switch (fdwReason) {
32     case DLL_PROCESS_ATTACH:
33         MSACM_hHeap = HeapCreate(0, 0x10000, 0);
34         MSACM_hInstance32 = hInstDLL;
35         MSACM_RegisterAllDrivers();
36         break;
37     case DLL_PROCESS_DETACH:
38         MSACM_UnregisterAllDrivers();
39         HeapDestroy(MSACM_hHeap);
40         MSACM_hHeap = (HANDLE)NULL;
41         MSACM_hInstance32 = (HINSTANCE)NULL;
42         break;
43     case DLL_THREAD_ATTACH:
44         break;
45     case DLL_THREAD_DETACH:
46         break;
47     default:
48         break;
49     }
50     return TRUE;
51 }
52
53 /***********************************************************************
54  *           XRegThunkEntry (MSACM32.1)
55  * FIXME
56  *   No documentation found.
57  */
58
59 /***********************************************************************
60  *           acmGetVersion (MSACM32.34)
61  */
62 DWORD WINAPI acmGetVersion(void)
63 {
64     OSVERSIONINFOA version;
65
66     version.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
67     if (!GetVersionExA( &version ))
68         return 0x04030000;
69
70     switch (version.dwPlatformId) {
71     case VER_PLATFORM_WIN32_NT:
72         return 0x04000565; /* 4.0.1381 */
73     default:
74         FIXME("%lx not supported\n", version.dwPlatformId);
75     case VER_PLATFORM_WIN32_WINDOWS:
76         return 0x04030000; /* 4.3.0 */
77     }
78 }
79
80 /***********************************************************************
81  *           acmMessage32 (MSACM32.35)
82  * FIXME
83  *   No documentation found.
84  */
85
86 /***********************************************************************
87  *           acmMetrics (MSACM32.36)
88  */
89 MMRESULT WINAPI acmMetrics(HACMOBJ hao, UINT uMetric, LPVOID pMetric)
90 {
91     PWINE_ACMOBJ        pao = MSACM_GetObj(hao, WINE_ACMOBJ_DONTCARE);
92     BOOL                bLocal = TRUE;
93     PWINE_ACMDRIVERID   padid;
94     DWORD               val = 0;
95     int                 i;
96     MMRESULT            mmr = MMSYSERR_NOERROR;
97
98     TRACE("(0x%08x, %d, %p);\n", hao, uMetric, pMetric);
99     
100 #define CheckLocal(padid) (!bLocal || ((padid)->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_LOCAL))
101
102     switch (uMetric) {
103     case ACM_METRIC_COUNT_DRIVERS:
104         bLocal = FALSE;
105         /* fall thru */
106     case ACM_METRIC_COUNT_LOCAL_DRIVERS:
107         if (hao) return MMSYSERR_INVALHANDLE;
108         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
109             if (padid->bEnabled && CheckLocal(padid))
110                 val++;
111         *(LPDWORD)pMetric = val;
112         break;
113
114     case ACM_METRIC_COUNT_CODECS:
115         bLocal = FALSE;
116         /* fall thru */
117     case ACM_METRIC_COUNT_LOCAL_CODECS:
118         if (hao) return MMSYSERR_INVALHANDLE;
119         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
120             if (padid->bEnabled && (padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_CODEC)
121                 && CheckLocal(padid))
122                 val++;
123         *(LPDWORD)pMetric = val;
124         break;
125
126     case ACM_METRIC_COUNT_CONVERTERS:
127         bLocal = FALSE;
128         /* fall thru */
129     case ACM_METRIC_COUNT_LOCAL_CONVERTERS:
130         if (hao) return MMSYSERR_INVALHANDLE;
131         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
132             if (padid->bEnabled && (padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_CONVERTER)
133                 && CheckLocal(padid))
134                 val++;
135         *(LPDWORD)pMetric = val;
136         break;
137
138     case ACM_METRIC_COUNT_FILTERS:
139         bLocal = FALSE;
140         /* fall thru */
141     case ACM_METRIC_COUNT_LOCAL_FILTERS:
142         if (hao) return MMSYSERR_INVALHANDLE;
143         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
144             if (padid->bEnabled && (padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_FILTER)
145                 && CheckLocal(padid))
146                 val++;
147         *(LPDWORD)pMetric = val;
148         break;
149
150     case ACM_METRIC_COUNT_DISABLED:
151         bLocal = FALSE;
152         /* fall thru */
153     case ACM_METRIC_COUNT_LOCAL_DISABLED:
154         if (hao) return MMSYSERR_INVALHANDLE;
155         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
156             if (!padid->bEnabled && CheckLocal(padid))
157                 val++;
158         *(LPDWORD)pMetric = val;
159         break;
160     
161     case ACM_METRIC_MAX_SIZE_FORMAT:
162         if (hao == (HACMOBJ)NULL) {
163             for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
164                 if (padid->bEnabled) {
165                     for (i = 0; i < padid->cFormatTags; i++) {
166                         if (val < padid->aFormatTag[i].cbwfx)
167                             val = padid->aFormatTag[i].cbwfx;
168                     }
169                 }
170             }
171         } else if (pao != NULL) {
172             switch (pao->dwType) {
173             case WINE_ACMOBJ_DRIVER:
174             case WINE_ACMOBJ_DRIVERID:
175                 padid = pao->pACMDriverID;
176                 break;
177             default:
178                 return MMSYSERR_INVALHANDLE;
179             }
180             if (padid->bEnabled) {
181                 for (i = 0; i < padid->cFormatTags; i++) {
182                     if (val < padid->aFormatTag[i].cbwfx)
183                         val = padid->aFormatTag[i].cbwfx;
184                 }
185             }
186         } else {
187             return MMSYSERR_INVALHANDLE;
188         }
189         *(LPDWORD)pMetric = val;
190         break;
191
192     case ACM_METRIC_COUNT_HARDWARE:
193     case ACM_METRIC_HARDWARE_WAVE_INPUT:
194     case ACM_METRIC_HARDWARE_WAVE_OUTPUT:
195     case ACM_METRIC_MAX_SIZE_FILTER:
196     case ACM_METRIC_DRIVER_SUPPORT:
197     case ACM_METRIC_DRIVER_PRIORITY:
198     default:
199         FIXME("(0x%08x, %d, %p): stub\n", hao, uMetric, pMetric);
200         mmr = MMSYSERR_NOTSUPPORTED;
201     }
202     return mmr;
203 }