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 "debugtools.h"
  11 #include "msacm.h"
  12 #include "msacmdrv.h"
  13 #include "winversion.h"
  14
  15 DEFAULT_DEBUG_CHANNEL(msacm)
  16
  17 /**********************************************************************/
  18
  19 static DWORD MSACM_dwProcessesAttached = 0;
  20
  21 /***********************************************************************
  22  *           MSACM_LibMain32 (MSACM32.init)
  23  */
  24 BOOL WINAPI MSACM32_LibMain(
  25   HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  26 {
  27   switch(fdwReason)
  28     {
  29     case DLL_PROCESS_ATTACH:
  30       if(MSACM_dwProcessesAttached == 0)
  31         {
  32           MSACM_hHeap = HeapCreate(0, 0x10000, 0);
  33           MSACM_RegisterAllDrivers();
  34         }
  35       MSACM_dwProcessesAttached++;
  36       break;
  37     case DLL_PROCESS_DETACH:
  38       MSACM_dwProcessesAttached--;
  39       if(MSACM_dwProcessesAttached == 0)
  40         {
  41           MSACM_UnregisterAllDrivers();
  42           HeapDestroy(MSACM_hHeap);
  43           MSACM_hHeap = (HANDLE) NULL;
  44         }
  45       break;
  46     case DLL_THREAD_ATTACH:
  47       break;
  48     case DLL_THREAD_DETACH:
  49       break;
  50     default:
  51       break;
  52     }
  53   return TRUE;
  54 }
  55
  56 /***********************************************************************
  57  *           XRegThunkEntry (MSACM32.1)
  58  * FIXME
  59  *   No documentation found.
  60  */
  61
  62 /***********************************************************************
  63  *           acmGetVersion32 (MSACM32.34)
  64  */
  65 DWORD WINAPI acmGetVersion()
  66 {
  67   switch(VERSION_GetVersion())
  68     {
  69     default:
  70       FIXME("%s not supported\n", VERSION_GetVersionName());
  71     case WIN95:
  72       return 0x04000000; /* 4.0.0 */
  73     case NT40:
  74       return 0x04000565; /* 4.0.1381 */
  75     }
  76 }
  77
  78 /***********************************************************************
  79  *           acmMessage32 (MSACM32.35)
  80  * FIXME
  81  *   No documentation found.
  82  */
  83
  84 /***********************************************************************
  85  *           acmMetrics (MSACM32.36)
  86  */
  87 MMRESULT WINAPI acmMetrics(
  88   HACMOBJ hao, UINT uMetric, LPVOID  pMetric)
  89 {
  90   PWINE_ACMOBJ pao = MSACM_GetObj(hao);
  91   BOOL bLocal = TRUE;
  92
  93   FIXME("(0x%08x, %d, %p): stub\n", hao, uMetric, pMetric);
  94
  95   switch(uMetric)
  96     {
  97     case ACM_METRIC_COUNT_DRIVERS:
  98       bLocal = FALSE;
  99     case ACM_METRIC_COUNT_LOCAL_DRIVERS:
 100       if(!pao)
 101         return MMSYSERR_INVALHANDLE;
 102       return MMSYSERR_NOTSUPPORTED;
 103     case ACM_METRIC_COUNT_CODECS:
 104       bLocal = FALSE;
 105     case ACM_METRIC_COUNT_LOCAL_CODECS:
 106       return MMSYSERR_NOTSUPPORTED;
 107     case ACM_METRIC_COUNT_CONVERTERS:
 108       bLocal = FALSE;
 109     case ACM_METRIC_COUNT_LOCAL_CONVERTERS:
 110       return MMSYSERR_NOTSUPPORTED;
 111     case ACM_METRIC_COUNT_FILTERS:
 112       bLocal = FALSE;
 113     case ACM_METRIC_COUNT_LOCAL_FILTERS:
 114       return MMSYSERR_NOTSUPPORTED;
 115     case ACM_METRIC_COUNT_DISABLED:
 116       bLocal = FALSE;
 117     case ACM_METRIC_COUNT_LOCAL_DISABLED:
 118       if(!pao)
 119         return MMSYSERR_INVALHANDLE;
 120       return MMSYSERR_NOTSUPPORTED;
 121     case ACM_METRIC_COUNT_HARDWARE:
 122     case ACM_METRIC_HARDWARE_WAVE_INPUT:
 123     case ACM_METRIC_HARDWARE_WAVE_OUTPUT:
 124     case ACM_METRIC_MAX_SIZE_FORMAT:
 125     case ACM_METRIC_MAX_SIZE_FILTER:
 126     case ACM_METRIC_DRIVER_SUPPORT:
 127     case ACM_METRIC_DRIVER_PRIORITY:
 128     default:
 129       return MMSYSERR_NOTSUPPORTED;
 130     }
 131   return MMSYSERR_NOERROR;
 132 }