git.oblomov.eu Git - wine/blob - 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 static DWORD MSACM_dwProcessesAttached = 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         if (MSACM_dwProcessesAttached == 0) {
  34             MSACM_hHeap = HeapCreate(0, 0x10000, 0);
  35             MSACM_RegisterAllDrivers();
  36         }
  37         MSACM_dwProcessesAttached++;
  38         break;
  39     case DLL_PROCESS_DETACH:
  40         MSACM_dwProcessesAttached--;
  41         if (MSACM_dwProcessesAttached == 0) {
  42             MSACM_UnregisterAllDrivers();
  43             HeapDestroy(MSACM_hHeap);
  44             MSACM_hHeap = (HANDLE) NULL;
  45         }
  46         break;
  47     case DLL_THREAD_ATTACH:
  48         break;
  49     case DLL_THREAD_DETACH:
  50         break;
  51     default:
  52         break;
  53     }
  54     return TRUE;
  55 }
  56
  57 /***********************************************************************
  58  *           XRegThunkEntry (MSACM32.1)
  59  * FIXME
  60  *   No documentation found.
  61  */
  62
  63 /***********************************************************************
  64  *           acmGetVersion (MSACM32.34)
  65  */
  66 DWORD WINAPI acmGetVersion(void)
  67 {
  68     OSVERSIONINFOA version;
  69     GetVersionExA( &version );
  70     switch(version.dwPlatformId)
  71     {
  72     case VER_PLATFORM_WIN32_NT:
  73         return 0x04000565; /* 4.0.1381 */
  74     default:
  75         FIXME("%ld not supported",version.dwPlatformId);
  76     case VER_PLATFORM_WIN32_WINDOWS:
  77         return 0x04000000; /* 4.0.0 */
  78   }
  79 }
  80
  81 /***********************************************************************
  82  *           acmMessage32 (MSACM32.35)
  83  * FIXME
  84  *   No documentation found.
  85  */
  86
  87 /***********************************************************************
  88  *           acmMetrics (MSACM32.36)
  89  */
  90 MMRESULT WINAPI acmMetrics(HACMOBJ hao, UINT uMetric, LPVOID  pMetric)
  91 {
  92     PWINE_ACMOBJ        pao = MSACM_GetObj(hao);
  93     BOOL                bLocal = TRUE;
  94     PWINE_ACMDRIVERID   padid;
  95     DWORD               val = 0;
  96
  97     FIXME("(0x%08x, %d, %p): stub\n", hao, uMetric, pMetric);
  98
  99     switch (uMetric) {
 100     case ACM_METRIC_COUNT_DRIVERS:
 101         bLocal = FALSE;
 102         /* fall thru */
 103     case ACM_METRIC_COUNT_LOCAL_DRIVERS:
 104         if (!pao)
 105             return MMSYSERR_INVALHANDLE;
 106         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
 107             if (padid->bEnabled /* && (local(padid) || !bLocal) */)
 108                 val++;
 109         *(LPDWORD)pMetric = val;
 110         return 0;
 111
 112     case ACM_METRIC_COUNT_CODECS:
 113         if (!pao)
 114             return MMSYSERR_INVALHANDLE;
 115         bLocal = FALSE;
 116         /* fall thru */
 117     case ACM_METRIC_COUNT_LOCAL_CODECS:
 118         /* FIXME: don't know how to differentiate codec, converters & filters yet */
 119         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
 120             if (padid->bEnabled /* && (local(padid) || !bLocal) */)
 121                 val++;
 122         *(LPDWORD)pMetric = val;
 123         return 0;
 124
 125     case ACM_METRIC_COUNT_CONVERTERS:
 126         bLocal = FALSE;
 127         /* fall thru */
 128     case ACM_METRIC_COUNT_LOCAL_CONVERTERS:
 129         /* FIXME: don't know how to differentiate codec, converters & filters yet */
 130         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
 131             if (padid->bEnabled /* && (local(padid) || !bLocal) */)
 132                 val++;
 133         *(LPDWORD)pMetric = val;
 134         return 0;
 135
 136     case ACM_METRIC_COUNT_FILTERS:
 137         bLocal = FALSE;
 138         /* fall thru */
 139     case ACM_METRIC_COUNT_LOCAL_FILTERS:
 140         /* FIXME: don't know how to differentiate codec, converters & filters yet */
 141         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
 142             if (padid->bEnabled /* && (local(padid) || !bLocal) */)
 143                 val++;
 144         *(LPDWORD)pMetric = val;
 145         return 0;
 146
 147     case ACM_METRIC_COUNT_DISABLED:
 148         bLocal = FALSE;
 149         /* fall thru */
 150     case ACM_METRIC_COUNT_LOCAL_DISABLED:
 151         if (!pao)
 152             return MMSYSERR_INVALHANDLE;
 153         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
 154             if (!padid->bEnabled /* && (local(padid) || !bLocal) */)
 155                 val++;
 156         *(LPDWORD)pMetric = val;
 157         return 0;
 158
 159     case ACM_METRIC_MAX_SIZE_FORMAT:
 160         /* FIXME: According to MSDN, this should return the size of the largest WAVEFORMATEX
 161            structure in the system. How is this calculated? */
 162         *(LPDWORD)pMetric = sizeof (WAVEFORMATEX);
 163         return 0;
 164
 165     case ACM_METRIC_COUNT_HARDWARE:
 166     case ACM_METRIC_HARDWARE_WAVE_INPUT:
 167     case ACM_METRIC_HARDWARE_WAVE_OUTPUT:
 168     case ACM_METRIC_MAX_SIZE_FILTER:
 169     case ACM_METRIC_DRIVER_SUPPORT:
 170     case ACM_METRIC_DRIVER_PRIORITY:
 171     default:
 172         return MMSYSERR_NOTSUPPORTED;
 173     }
 174     return MMSYSERR_NOERROR;
 175 }