dlls/msacm32/msacm32_main.c

   1 /*
   2  *      MSACM32 library
   3  *
   4  *      Copyright 1998  Patrik Stridvall
   5  */
   6
   7 #include "winbase.h"
   8 #include "winerror.h"
   9 #include "windef.h"
  10 #include "debug.h"
  11 #include "msacm.h"
  12 #include "msacmdrv.h"
  13 #include "winversion.h"
  14
  15 /**********************************************************************/
  16
  17 static DWORD MSACM_dwProcessesAttached = 0;
  18
  19 /***********************************************************************
  20  *           MSACM_LibMain32 (MSACM32.init)
  21  */
  22 BOOL WINAPI MSACM32_LibMain(
  23   HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  24 {
  25   switch(fdwReason)
  26     {
  27     case DLL_PROCESS_ATTACH:
  28       if(MSACM_dwProcessesAttached == 0)
  29         {
  30           MSACM_hHeap = HeapCreate(0, 0x10000, 0);
  31           MSACM_RegisterAllDrivers();
  32         }
  33       MSACM_dwProcessesAttached++;
  34       break;
  35     case DLL_PROCESS_DETACH:
  36       MSACM_dwProcessesAttached--;
  37       if(MSACM_dwProcessesAttached == 0)
  38         {
  39           MSACM_UnregisterAllDrivers();
  40           HeapDestroy(MSACM_hHeap);
  41           MSACM_hHeap = (HANDLE) NULL;
  42         }
  43       break;
  44     case DLL_THREAD_ATTACH:
  45       break;
  46     case DLL_THREAD_DETACH:
  47       break;
  48     default:
  49       break;
  50     }
  51   return TRUE;
  52 }
  53
  54 /***********************************************************************
  55  *           XRegThunkEntry (MSACM32.1)
  56  * FIXME
  57  *   No documentation found.
  58  */
  59
  60 /***********************************************************************
  61  *           acmGetVersion32 (MSACM32.34)
  62  */
  63 DWORD WINAPI acmGetVersion()
  64 {
  65   switch(VERSION_GetVersion())
  66     {
  67     default:
  68       FIXME(msacm, "%s not supported\n", VERSION_GetVersionName());
  69     case WIN95:
  70       return 0x04000000; /* 4.0.0 */
  71     case NT40:
  72       return 0x04000565; /* 4.0.1381 */
  73     }
  74 }
  75
  76 /***********************************************************************
  77  *           acmMessage32 (MSACM32.35)
  78  * FIXME
  79  *   No documentation found.
  80  */
  81
  82 /***********************************************************************
  83  *           acmMetrics (MSACM32.36)
  84  */
  85 MMRESULT WINAPI acmMetrics(
  86   HACMOBJ hao, UINT uMetric, LPVOID  pMetric)
  87 {
  88   PWINE_ACMOBJ pao = MSACM_GetObj(hao);
  89   BOOL bLocal = TRUE;
  90
  91   FIXME(msacm, "(0x%08x, %d, %p): stub\n", hao, uMetric, pMetric);
  92
  93   switch(uMetric)
  94     {
  95     case ACM_METRIC_COUNT_DRIVERS:
  96       bLocal = FALSE;
  97     case ACM_METRIC_COUNT_LOCAL_DRIVERS:
  98       if(!pao)
  99         return MMSYSERR_INVALHANDLE;
 100       return MMSYSERR_NOTSUPPORTED;
 101     case ACM_METRIC_COUNT_CODECS:
 102       bLocal = FALSE;
 103     case ACM_METRIC_COUNT_LOCAL_CODECS:
 104       return MMSYSERR_NOTSUPPORTED;
 105     case ACM_METRIC_COUNT_CONVERTERS:
 106       bLocal = FALSE;
 107     case ACM_METRIC_COUNT_LOCAL_CONVERTERS:
 108       return MMSYSERR_NOTSUPPORTED;
 109     case ACM_METRIC_COUNT_FILTERS:
 110       bLocal = FALSE;
 111     case ACM_METRIC_COUNT_LOCAL_FILTERS:
 112       return MMSYSERR_NOTSUPPORTED;
 113     case ACM_METRIC_COUNT_DISABLED:
 114       bLocal = FALSE;
 115     case ACM_METRIC_COUNT_LOCAL_DISABLED:
 116       if(!pao)
 117         return MMSYSERR_INVALHANDLE;
 118       return MMSYSERR_NOTSUPPORTED;
 119     case ACM_METRIC_COUNT_HARDWARE:
 120     case ACM_METRIC_HARDWARE_WAVE_INPUT:
 121     case ACM_METRIC_HARDWARE_WAVE_OUTPUT:
 122     case ACM_METRIC_MAX_SIZE_FORMAT:
 123     case ACM_METRIC_MAX_SIZE_FILTER:
 124     case ACM_METRIC_DRIVER_SUPPORT:
 125     case ACM_METRIC_DRIVER_PRIORITY:
 126     default:
 127       return MMSYSERR_NOTSUPPORTED;
 128     }
 129   return MMSYSERR_NOERROR;
 130 }