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https://github.com/reactos/wine.git
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174 lines
4.7 KiB
C
174 lines
4.7 KiB
C
/* -*- tab-width: 8; c-basic-offset: 4 -*- */
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/*
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* MSACM32 library
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*
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* Copyright 1998 Patrik Stridvall
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* 1999 Eric Pouech
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*/
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#include "winbase.h"
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#include "winerror.h"
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#include "windef.h"
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#include "debugtools.h"
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#include "msacm.h"
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#include "msacmdrv.h"
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#include "wineacm.h"
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#include "winversion.h"
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DEFAULT_DEBUG_CHANNEL(msacm)
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/**********************************************************************/
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static DWORD MSACM_dwProcessesAttached = 0;
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/***********************************************************************
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* MSACM_LibMain (MSACM32.init)
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*/
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BOOL WINAPI MSACM32_LibMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpvReserved)
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{
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TRACE("0x%x 0x%lx %p\n", hInstDLL, fdwReason, lpvReserved);
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switch (fdwReason) {
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case DLL_PROCESS_ATTACH:
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if (MSACM_dwProcessesAttached == 0) {
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MSACM_hHeap = HeapCreate(0, 0x10000, 0);
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MSACM_RegisterAllDrivers();
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}
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MSACM_dwProcessesAttached++;
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break;
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case DLL_PROCESS_DETACH:
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MSACM_dwProcessesAttached--;
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if (MSACM_dwProcessesAttached == 0) {
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MSACM_UnregisterAllDrivers();
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HeapDestroy(MSACM_hHeap);
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MSACM_hHeap = (HANDLE) NULL;
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}
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break;
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case DLL_THREAD_ATTACH:
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break;
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case DLL_THREAD_DETACH:
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break;
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default:
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break;
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}
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return TRUE;
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}
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/***********************************************************************
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* XRegThunkEntry (MSACM32.1)
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* FIXME
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* No documentation found.
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*/
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/***********************************************************************
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* acmGetVersion (MSACM32.34)
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*/
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DWORD WINAPI acmGetVersion(void)
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{
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switch (VERSION_GetVersion()) {
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default:
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FIXME("%s not supported\n", VERSION_GetVersionName());
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case WIN95:
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return 0x04000000; /* 4.0.0 */
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case NT40:
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return 0x04000565; /* 4.0.1381 */
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}
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}
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/***********************************************************************
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* acmMessage32 (MSACM32.35)
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* FIXME
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* No documentation found.
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*/
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/***********************************************************************
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* acmMetrics (MSACM32.36)
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*/
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MMRESULT WINAPI acmMetrics(HACMOBJ hao, UINT uMetric, LPVOID pMetric)
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{
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PWINE_ACMOBJ pao = MSACM_GetObj(hao);
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BOOL bLocal = TRUE;
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PWINE_ACMDRIVERID padid;
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DWORD val = 0;
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FIXME("(0x%08x, %d, %p): stub\n", hao, uMetric, pMetric);
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switch (uMetric) {
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case ACM_METRIC_COUNT_DRIVERS:
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bLocal = FALSE;
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/* fall thru */
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case ACM_METRIC_COUNT_LOCAL_DRIVERS:
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if (!pao)
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return MMSYSERR_INVALHANDLE;
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for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
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if (padid->bEnabled /* && (local(padid) || !bLocal) */)
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val++;
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*(LPDWORD)pMetric = val;
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return 0;
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case ACM_METRIC_COUNT_CODECS:
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if (!pao)
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return MMSYSERR_INVALHANDLE;
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bLocal = FALSE;
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/* fall thru */
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case ACM_METRIC_COUNT_LOCAL_CODECS:
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/* FIXME: don't know how to differentiate codec, converters & filters yet */
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for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
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if (padid->bEnabled /* && (local(padid) || !bLocal) */)
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val++;
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*(LPDWORD)pMetric = val;
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return 0;
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case ACM_METRIC_COUNT_CONVERTERS:
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bLocal = FALSE;
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/* fall thru */
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case ACM_METRIC_COUNT_LOCAL_CONVERTERS:
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/* FIXME: don't know how to differentiate codec, converters & filters yet */
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for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
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if (padid->bEnabled /* && (local(padid) || !bLocal) */)
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val++;
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*(LPDWORD)pMetric = val;
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return 0;
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case ACM_METRIC_COUNT_FILTERS:
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bLocal = FALSE;
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/* fall thru */
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case ACM_METRIC_COUNT_LOCAL_FILTERS:
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/* FIXME: don't know how to differentiate codec, converters & filters yet */
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for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
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if (padid->bEnabled /* && (local(padid) || !bLocal) */)
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val++;
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*(LPDWORD)pMetric = val;
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return 0;
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case ACM_METRIC_COUNT_DISABLED:
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bLocal = FALSE;
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/* fall thru */
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case ACM_METRIC_COUNT_LOCAL_DISABLED:
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if (!pao)
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return MMSYSERR_INVALHANDLE;
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for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID)
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if (!padid->bEnabled /* && (local(padid) || !bLocal) */)
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val++;
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*(LPDWORD)pMetric = val;
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return 0;
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case ACM_METRIC_MAX_SIZE_FORMAT:
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/* FIXME: According to MSDN, this should return the size of the largest WAVEFORMATEX
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structure in the system. How is this calculated? */
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*(LPDWORD)pMetric = sizeof (WAVEFORMATEX);
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return 0;
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case ACM_METRIC_COUNT_HARDWARE:
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case ACM_METRIC_HARDWARE_WAVE_INPUT:
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case ACM_METRIC_HARDWARE_WAVE_OUTPUT:
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case ACM_METRIC_MAX_SIZE_FILTER:
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case ACM_METRIC_DRIVER_SUPPORT:
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case ACM_METRIC_DRIVER_PRIORITY:
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default:
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return MMSYSERR_NOTSUPPORTED;
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}
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return MMSYSERR_NOERROR;
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}
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