Started the implementation of MSACM.DLL and MSACM32.DLL.
diff --git a/dlls/msacm/msacm_main.c b/dlls/msacm/msacm_main.c
new file mode 100644
index 0000000..206c4ce
--- /dev/null
+++ b/dlls/msacm/msacm_main.c
@@ -0,0 +1,411 @@
+/*
+ * MSACM library
+ *
+ * Copyright 1998 Patrik Stridvall
+ */
+
+#include "windows.h"
+#include "winerror.h"
+#include "wintypes.h"
+#include "debug.h"
+#include "mmsystem.h"
+#include "msacm.h"
+
+/***********************************************************************
+ * ACMGETVERSION (MSACM.7)
+ */
+DWORD WINAPI acmGetVersion16()
+{
+ FIXME(msacm, "(): stub\n");
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return 0; /* FIXME */
+}
+
+/***********************************************************************
+ * ACMMETRICS (MSACM.8)
+ */
+
+MMRESULT16 WINAPI acmMetrics16(
+ HACMOBJ16 hao, UINT16 uMetric, LPVOID pMetric)
+{
+ FIXME(msacm, "(0x%04x, %d, %p): stub\n", hao, uMetric, pMetric);
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMDRIVERENUM (MSACM.10)
+ */
+MMRESULT16 WINAPI acmDriverEnum16(
+ ACMDRIVERENUMCB16 fnCallback, DWORD dwInstance, DWORD fdwEnum)
+{
+ FIXME(msacm, "(%p, %ld, %ld): stub\n",
+ fnCallback, dwInstance, fdwEnum
+ );
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMDRIVERDETAILS (MSACM.11)
+ */
+
+MMRESULT16 WINAPI acmDriverDetails16(
+ HACMDRIVERID16 hadid, LPACMDRIVERDETAILS16 padd, DWORD fdwDetails)
+{
+ FIXME(msacm, "(0x%04x, %p, %ld): stub\n", hadid, padd, fdwDetails);
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMDRIVERADD (MSACM.12)
+ */
+MMRESULT16 WINAPI acmDriverAdd16(
+ LPHACMDRIVERID16 phadid, HINSTANCE16 hinstModule,
+ LPARAM lParam, DWORD dwPriority, DWORD fdwAdd)
+{
+ FIXME(msacm, "(%p, 0x%04x, %ld, %ld, %ld): stub\n",
+ phadid, hinstModule, lParam, dwPriority, fdwAdd
+ );
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMDRIVERREMOVE (MSACM.13)
+ */
+MMRESULT16 WINAPI acmDriverRemove16(
+ HACMDRIVERID16 hadid, DWORD fdwRemove)
+{
+ FIXME(msacm, "(0x%04x, %ld): stub\n", hadid, fdwRemove);
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMDRIVEROPEN (MSACM.14)
+ */
+MMRESULT16 WINAPI acmDriverOpen16(
+ LPHACMDRIVER16 phad, HACMDRIVERID16 hadid, DWORD fdwOpen)
+{
+ FIXME(msacm, "(%p, 0x%04x, %ld): stub\n", phad, hadid, fdwOpen);
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMDRIVERCLOSE (MSACM.15)
+ */
+MMRESULT16 WINAPI acmDriverClose16(
+ HACMDRIVER16 had, DWORD fdwClose)
+{
+ FIXME(msacm, "(0x%04x, %ld): stub\n", had, fdwClose);
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMDRIVERMESSAGE (MSACM.16)
+ */
+LRESULT WINAPI acmDriverMessage16(
+ HACMDRIVER16 had, UINT16 uMsg, LPARAM lParam1, LPARAM lParam2)
+{
+ FIXME(msacm, "(0x%04x, %d, %ld, %ld): stub\n",
+ had, uMsg, lParam1, lParam2
+ );
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return 0;
+}
+
+/***********************************************************************
+ * ACMDRIVERID (MSACM.17)
+ */
+MMRESULT16 WINAPI acmDriverID16(
+ HACMOBJ16 hao, LPHACMDRIVERID16 phadid, DWORD fdwDriverID)
+{
+ FIXME(msacm, "(0x%04x, %p, %ld): stub\n", hao, phadid, fdwDriverID);
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMDRIVERPRIORITY (MSACM.18)
+ */
+MMRESULT16 WINAPI acmDriverPriority16(
+ HACMDRIVERID16 hadid, DWORD dwPriority, DWORD fdwPriority)
+{
+ FIXME(msacm, "(0x%04x, %ld, %ld): stub\n",
+ hadid, dwPriority, fdwPriority
+ );
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMFORMATTAGDETAILS (MSACM.30)
+ */
+MMRESULT16 WINAPI acmFormatTagDetails16(
+ HACMDRIVER16 had, LPACMFORMATTAGDETAILS16 paftd, DWORD fdwDetails)
+{
+ FIXME(msacm, "(0x%04x, %p, %ld): stub\n", had, paftd, fdwDetails);
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMFORMATTAGENUM (MSACM.31)
+ */
+MMRESULT16 WINAPI acmFormatTagEnum16(
+ HACMDRIVER16 had, LPACMFORMATTAGDETAILS16 paftd,
+ ACMFORMATTAGENUMCB16 fnCallback, DWORD dwInstance, DWORD fdwEnum)
+{
+ FIXME(msacm, "(0x%04x, %p, %p, %ld, %ld): stub\n",
+ had, paftd, fnCallback, dwInstance, fdwEnum
+ );
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMFORMATCHOOSE (MSACM.40)
+ */
+MMRESULT16 WINAPI acmFormatChoose16(
+ LPACMFORMATCHOOSE16 pafmtc)
+{
+ FIXME(msacm, "(%p): stub\n", pafmtc);
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMFORMATDETAILS (MSACM.41)
+ */
+MMRESULT16 WINAPI acmFormatDetails16(
+ HACMDRIVER16 had, LPACMFORMATDETAILS16 pafd, DWORD fdwDetails)
+{
+ FIXME(msacm, "(0x%04x, %p, %ld): stub\n", had, pafd, fdwDetails);
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMFORMATENUM (MSACM.42)
+ */
+MMRESULT16 WINAPI acmFormatEnum16(
+ HACMDRIVER16 had, LPACMFORMATDETAILS16 pafd,
+ ACMFORMATENUMCB16 fnCallback, DWORD dwInstance, DWORD fdwEnum)
+{
+ FIXME(msacm, "(0x%04x, %p, %p, %ld, %ld): stub\n",
+ had, pafd, fnCallback, dwInstance, fdwEnum
+ );
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMFORMATSUGGEST (MSACM.45)
+ */
+MMRESULT16 WINAPI acmFormatSuggest16(
+ HACMDRIVER16 had, LPWAVEFORMATEX16 pwfxSrc,
+ LPWAVEFORMATEX16 pwfxDst, DWORD cbwfxDst, DWORD fdwSuggest)
+{
+ FIXME(msacm, "(0x%04x, %p, %p, %ld, %ld): stub\n",
+ had, pwfxSrc, pwfxDst, cbwfxDst, fdwSuggest
+ );
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMFILTERTAGDETAILS (MSACM.50)
+ */
+MMRESULT16 WINAPI acmFilterTagDetails16(
+ HACMDRIVER16 had, LPACMFILTERTAGDETAILS16 paftd, DWORD fdwDetails)
+{
+ FIXME(msacm, "(0x%04x, %p, %ld): stub\n", had, paftd, fdwDetails);
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMFILTERTAGENUM (MSACM.51)
+ */
+MMRESULT16 WINAPI acmFilterTagEnum16(
+ HACMDRIVER16 had, LPACMFILTERTAGDETAILS16 paftd,
+ ACMFILTERTAGENUMCB16 fnCallback, DWORD dwInstance, DWORD fdwEnum)
+{
+ FIXME(msacm, "(0x%04x, %p, %p, %ld, %ld): stub\n",
+ had, paftd, fnCallback, dwInstance, fdwEnum
+ );
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMFILTERCHOOSE (MSACM.60)
+ */
+MMRESULT16 WINAPI acmFilterChoose16(
+ LPACMFILTERCHOOSE16 pafltrc)
+{
+ FIXME(msacm, "(%p): stub\n", pafltrc);
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMFILTERDETAILS (MSACM.61)
+ */
+MMRESULT16 WINAPI acmFilterDetails16(
+ HACMDRIVER16 had, LPACMFILTERDETAILS16 pafd, DWORD fdwDetails)
+{
+ FIXME(msacm, "(0x%04x, %p, %ld): stub\n", had, pafd, fdwDetails);
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMFILTERENUM (MSACM.62)
+ */
+MMRESULT16 WINAPI acmFilterEnum16(
+ HACMDRIVER16 had, LPACMFILTERDETAILS16 pafd,
+ ACMFILTERENUMCB16 fnCallback, DWORD dwInstance, DWORD fdwEnum)
+{
+ FIXME(msacm, "(0x%04x, %p, %p, %ld, %ld): stub\n",
+ had, pafd, fnCallback, dwInstance, fdwEnum
+ );
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMSTREAMOPEN (MSACM.70)
+ */
+MMRESULT16 WINAPI acmStreamOpen16(
+ LPHACMSTREAM16 phas, HACMDRIVER16 had,
+ LPWAVEFORMATEX16 pwfxSrc, LPWAVEFORMATEX16 pwfxDst,
+ LPWAVEFILTER16 pwfltr, DWORD dwCallback,
+ DWORD dwInstance, DWORD fdwOpen)
+{
+ FIXME(msacm, "(%p, 0x%04x, %p, %p, %p, %ld, %ld, %ld): stub\n",
+ phas, had, pwfxSrc, pwfxDst, pwfltr,
+ dwCallback, dwInstance, fdwOpen
+ );
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMSTREAMCLOSE (MSACM.71)
+ */
+MMRESULT16 WINAPI acmStreamClose16(
+ HACMSTREAM16 has, DWORD fdwClose)
+{
+ FIXME(msacm, "(0x%04x, %ld): stub\n", has, fdwClose);
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMSTREAMSIZE (MSACM.72)
+ */
+MMRESULT16 WINAPI acmStreamSize16(
+ HACMSTREAM16 has, DWORD cbInput,
+ LPDWORD pdwOutputBytes, DWORD fdwSize)
+{
+ FIXME(msacm, "(0x%04x, %ld, %p, %ld): stub\n",
+ has, cbInput, pdwOutputBytes, fdwSize
+ );
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMSTREAMCONVERT (MSACM.75)
+ */
+MMRESULT16 WINAPI acmStreamConvert16(
+ HACMSTREAM16 has, LPACMSTREAMHEADER16 pash, DWORD fdwConvert)
+{
+ FIXME(msacm, "(0x%04x, %p, %ld): stub\n", has, pash, fdwConvert);
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMSTREAMRESET (MSACM.76)
+ */
+MMRESULT16 WINAPI acmStreamReset16(
+ HACMSTREAM16 has, DWORD fdwReset)
+{
+ FIXME(msacm, "(0x%04x, %ld): stub\n", has, fdwReset);
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMSTREAMPREPAREHEADER (MSACM.77)
+ */
+MMRESULT16 WINAPI acmStreamPrepareHeader16(
+ HACMSTREAM16 has, LPACMSTREAMHEADER16 pash, DWORD fdwPrepare)
+{
+ FIXME(msacm, "(0x%04x, %p, %ld): stub\n", has, pash, fdwPrepare);
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMSTREAMUNPREPAREHEADER (MSACM.78)
+ */
+MMRESULT16 WINAPI acmStreamUnprepareHeader16(
+ HACMSTREAM16 has, LPACMSTREAMHEADER16 pash, DWORD fdwUnprepare)
+{
+ FIXME(msacm, "(0x%04x, %p, %ld): stub\n",
+ has, pash, fdwUnprepare
+ );
+ SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+ return MMSYSERR_ERROR;
+}
+
+/***********************************************************************
+ * ACMAPPLICATIONEXIT (MSACM.150)
+ * FIXME
+ * No documentation found.
+ */
+
+/***********************************************************************
+ * ACMHUGEPAGELOCK (MSACM.175)
+ * FIXME
+ * No documentation found.
+ */
+
+/***********************************************************************
+ * ACMHUGEPAGEUNLOCK (MSACM.176)
+ * FIXME
+ * No documentation found.
+ */
+
+/***********************************************************************
+ * ACMOPENCONVERSION (MSACM.200)
+ * FIXME
+ * No documentation found.
+ */
+
+/***********************************************************************
+ * ACMCLOSECONVERSION (MSACM.201)
+ * FIXME
+ * No documentation found.
+ */
+
+/***********************************************************************
+ * ACMCONVERT (MSACM.202)
+ * FIXME
+ * No documentation found.
+ */
+
+/***********************************************************************
+ * ACMCHOOSEFORMAT (MSACM.203)
+ * FIXME
+ * No documentation found.
+ */
+
+
