Support DllGetClassObject of CLSID_StdPicture.
[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  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
22  */
23
24 #include "winbase.h"
25 #include "winerror.h"
26 #include "windef.h"
27 #include "wine/debug.h"
28 #include "msacm.h"
29 #include "msacmdrv.h"
30 #include "wineacm.h"
31
32 WINE_DEFAULT_DEBUG_CHANNEL(msacm);
33
34 /**********************************************************************/
35
36 HINSTANCE       MSACM_hInstance32 = 0;
37
38 /***********************************************************************
39  *           DllMain (MSACM32.init)
40  */
41 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpvReserved)
42 {
43     TRACE("%p 0x%lx %p\n", hInstDLL, fdwReason, lpvReserved);
44
45     switch (fdwReason) {
46     case DLL_PROCESS_ATTACH:
47         MSACM_hHeap = HeapCreate(0, 0x10000, 0);
48         MSACM_hInstance32 = hInstDLL;
49         MSACM_RegisterAllDrivers();
50         break;
51     case DLL_PROCESS_DETACH:
52         MSACM_UnregisterAllDrivers();
53         HeapDestroy(MSACM_hHeap);
54         MSACM_hHeap = (HANDLE)NULL;
55         MSACM_hInstance32 = NULL;
56         break;
57     case DLL_THREAD_ATTACH:
58         break;
59     case DLL_THREAD_DETACH:
60         break;
61     default:
62         break;
63     }
64     return TRUE;
65 }
66
67 /***********************************************************************
68  *           XRegThunkEntry (MSACM32.1)
69  * FIXME
70  *   No documentation found.
71  */
72
73 /***********************************************************************
74  *           acmGetVersion (MSACM32.@)
75  */
76 DWORD WINAPI acmGetVersion(void)
77 {
78     OSVERSIONINFOA version;
79
80     version.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
81     if (!GetVersionExA( &version ))
82         return 0x04030000;
83
84     switch (version.dwPlatformId) {
85     case VER_PLATFORM_WIN32_NT:
86         return 0x04000565; /* 4.0.1381 */
87     default:
88         FIXME("%lx not supported\n", version.dwPlatformId);
89     case VER_PLATFORM_WIN32_WINDOWS:
90         return 0x04030000; /* 4.3.0 */
91     }
92 }
93
94 /***********************************************************************
95  *           acmMessage32 (MSACM32.35)
96  * FIXME
97  *   No documentation found.
98  */
99
100 /***********************************************************************
101  *           acmMetrics (MSACM32.@)
102  */
103 MMRESULT WINAPI acmMetrics(HACMOBJ hao, UINT uMetric, LPVOID pMetric)
104 {
105     PWINE_ACMOBJ        pao = MSACM_GetObj(hao, WINE_ACMOBJ_DONTCARE);
106     BOOL                bLocal = TRUE;
107     PWINE_ACMDRIVERID   padid;
108     DWORD               val = 0;
109     int                 i;
110     MMRESULT            mmr = MMSYSERR_NOERROR;
111
112     TRACE("(%p, %d, %p);\n", hao, uMetric, pMetric);
113
114 #define CheckLocal(padid) (!bLocal || ((padid)->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_LOCAL))
115
116     switch (uMetric) {
117     case ACM_METRIC_COUNT_DRIVERS:
118         bLocal = FALSE;
119         /* fall through */
120     case ACM_METRIC_COUNT_LOCAL_DRIVERS:
121         if (hao) return MMSYSERR_INVALHANDLE;
122         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
123             if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) && CheckLocal(padid))
124                 val++;
125         *(LPDWORD)pMetric = val;
126         break;
127
128     case ACM_METRIC_COUNT_CODECS:
129         bLocal = FALSE;
130         /* fall through */
131     case ACM_METRIC_COUNT_LOCAL_CODECS:
132         if (hao) return MMSYSERR_INVALHANDLE;
133         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
134             if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) &&
135                 (padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_CODEC) &&
136                 CheckLocal(padid))
137                 val++;
138         *(LPDWORD)pMetric = val;
139         break;
140
141     case ACM_METRIC_COUNT_CONVERTERS:
142         bLocal = FALSE;
143         /* fall through */
144     case ACM_METRIC_COUNT_LOCAL_CONVERTERS:
145         if (hao) return MMSYSERR_INVALHANDLE;
146         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
147             if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) &&
148                  (padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_CONVERTER) &&
149                 CheckLocal(padid))
150                 val++;
151         *(LPDWORD)pMetric = val;
152         break;
153
154     case ACM_METRIC_COUNT_FILTERS:
155         bLocal = FALSE;
156         /* fall through */
157     case ACM_METRIC_COUNT_LOCAL_FILTERS:
158         if (hao) return MMSYSERR_INVALHANDLE;
159         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
160             if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) &&
161                 (padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_FILTER) &&
162                 CheckLocal(padid))
163                 val++;
164         *(LPDWORD)pMetric = val;
165         break;
166
167     case ACM_METRIC_COUNT_DISABLED:
168         bLocal = FALSE;
169         /* fall through */
170     case ACM_METRIC_COUNT_LOCAL_DISABLED:
171         if (hao) return MMSYSERR_INVALHANDLE;
172         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
173             if ((padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) && CheckLocal(padid))
174                 val++;
175         *(LPDWORD)pMetric = val;
176         break;
177
178     case ACM_METRIC_MAX_SIZE_FORMAT:
179         if (hao == NULL) {
180             for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
181                 if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED)) {
182                     for (i = 0; i < padid->cFormatTags; i++) {
183                         if (val < padid->aFormatTag[i].cbwfx)
184                             val = padid->aFormatTag[i].cbwfx;
185                     }
186                 }
187             }
188         } else if (pao != NULL) {
189             switch (pao->dwType) {
190             case WINE_ACMOBJ_DRIVER:
191             case WINE_ACMOBJ_DRIVERID:
192                 padid = pao->pACMDriverID;
193                 break;
194             default:
195                 return MMSYSERR_INVALHANDLE;
196             }
197             if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED)) {
198                 for (i = 0; i < padid->cFormatTags; i++) {
199                     if (val < padid->aFormatTag[i].cbwfx)
200                         val = padid->aFormatTag[i].cbwfx;
201                 }
202             }
203         } else {
204             return MMSYSERR_INVALHANDLE;
205         }
206         *(LPDWORD)pMetric = val;
207         break;
208
209     case ACM_METRIC_COUNT_HARDWARE:
210     case ACM_METRIC_HARDWARE_WAVE_INPUT:
211     case ACM_METRIC_HARDWARE_WAVE_OUTPUT:
212     case ACM_METRIC_MAX_SIZE_FILTER:
213     case ACM_METRIC_DRIVER_SUPPORT:
214     case ACM_METRIC_DRIVER_PRIORITY:
215     default:
216         FIXME("(%p, %d, %p): stub\n", hao, uMetric, pMetric);
217         mmr = MMSYSERR_NOTSUPPORTED;
218     }
219     return mmr;
220 }