312 lines
7.1 KiB
C
312 lines
7.1 KiB
C
//==========================================================================;
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//
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// waveout.c
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//
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// Copyright (c) 1992-1998 Microsoft Corporation
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//
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// Description:
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//
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//
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// History:
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// 9/18/93 cjp [curtisp]
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//
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//==========================================================================;
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#include <windows.h>
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#include <windowsx.h>
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#include <mmsystem.h>
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#include <mmddk.h>
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#include <mmreg.h>
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#include <msacm.h>
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#include <msacmdrv.h>
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#include "msacmmap.h"
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#include "debug.h"
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//--------------------------------------------------------------------------;
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//
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// DWORD wodmMapperStatus
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//
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// Description:
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//
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//
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// Arguments:
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// LPMAPSTREAM pms:
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//
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// DWORD dwStatus:
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//
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// LPDWORD pdw:
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//
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// Return (DWORD):
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//
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// History:
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// 08/13/93 cjp [curtisp]
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//
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//--------------------------------------------------------------------------;
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DWORD FNLOCAL wodmMapperStatus
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(
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LPMAPSTREAM pms,
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DWORD dwStatus,
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LPDWORD pdw
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)
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{
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MMRESULT mmr;
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// V_WPOINTER(pdw, sizeof(DWORD), MMSYSERR_INVALPARAM);
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if ((NULL == pms) || (NULL == pdw))
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{
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return (MMSYSERR_INVALPARAM);
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}
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//
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//
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//
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switch (dwStatus)
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{
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case WAVEOUT_MAPPER_STATUS_DEVICE:
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{
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UINT uId = (UINT)(-1); // Invalid value
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mmr = waveOutGetID(pms->hwoReal, &uId);
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if (MMSYSERR_NOERROR != mmr)
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{
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return (mmr);
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}
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*pdw = uId;
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return (MMSYSERR_NOERROR);
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}
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case WAVEOUT_MAPPER_STATUS_MAPPED:
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*pdw = (NULL != pms->has);
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return (MMSYSERR_NOERROR);
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case WAVEOUT_MAPPER_STATUS_FORMAT:
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if (NULL != pms->has)
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_fmemcpy(pdw, pms->pwfxReal, sizeof(PCMWAVEFORMAT));
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else
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_fmemcpy(pdw, pms->pwfxClient, sizeof(PCMWAVEFORMAT));
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((LPWAVEFORMATEX)pdw)->cbSize = 0;
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return (MMSYSERR_NOERROR);
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}
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//
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//
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//
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return (MMSYSERR_NOTSUPPORTED);
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} // wodmMapperStatus()
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//--------------------------------------------------------------------------;
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//
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// DWORD wodMessage
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//
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// Description:
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// This function conforms to the standard Wave output driver message
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// procedure (wodMessage), which is documented in mmddk.d.
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//
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// Arguments:
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// UINT uId:
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//
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// UINT uMsg:
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//
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// DWORD dwUser:
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//
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// DWORD dwParam1:
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//
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// DWORD dwParam2:
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//
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// Return (DWORD):
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//
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//
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// History:
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// 11/15/92 cjp [curtisp]
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//
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//--------------------------------------------------------------------------;
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EXTERN_C DWORD FNEXPORT wodMessage
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(
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UINT uId,
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UINT uMsg,
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DWORD_PTR dwUser,
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DWORD_PTR dwParam1,
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DWORD_PTR dwParam2
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)
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{
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#ifndef WIN32 // Mechanism doesn't work for multithread
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static int fSem = 0;
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#endif // !WIN32
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DWORD dw;
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LPMAPSTREAM pms; // pointer to per-instance info structure
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if (!gpag->fEnabled)
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{
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DPF(1, "wodMessage: called while disabled!");
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return ((WODM_GETNUMDEVS == uMsg) ? 0L : MMSYSERR_NOTENABLED);
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}
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#ifndef WIN32
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//
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// we call back into the mmsystem wave APIs so protect ourself
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// from being re-entered!
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//
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if (fSem)
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{
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DPF(0, "!wodMessage() being reentered! fSem=%d", fSem);
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return (MMSYSERR_NOTSUPPORTED);
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}
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#endif
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pms = (LPMAPSTREAM)dwUser;
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switch (uMsg)
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{
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case WODM_GETNUMDEVS:
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return (1L);
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case WODM_GETDEVCAPS:
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return mapWaveGetDevCaps(FALSE, (LPWAVEOUTCAPS)dwParam1, (UINT)dwParam2);
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case WODM_OPEN:
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#ifndef WIN32
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fSem++;
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#endif // !WIN32
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//
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// dwParam1 contains a pointer to a WAVEOPENDESC
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// dwParam2 contains wave driver specific flags in the LOWORD
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// and generic driver flags in the HIWORD
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//
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dw = mapWaveOpen(FALSE, uId, dwUser, (LPWAVEOPENDESC)dwParam1, (DWORD)(PtrToLong((PVOID)dwParam2)));
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#ifndef WIN32
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fSem--;
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#endif // !WIN32
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return (dw);
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case WODM_CLOSE:
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return (mapWaveClose(pms));
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case WODM_PREPARE:
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return (mapWavePrepareHeader(pms, (LPWAVEHDR)dwParam1));
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case WODM_UNPREPARE:
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return (mapWaveUnprepareHeader(pms, (LPWAVEHDR)dwParam1));
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case WODM_WRITE:
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return (mapWaveWriteBuffer(pms, (LPWAVEHDR)dwParam1));
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case WODM_PAUSE:
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return waveOutPause(pms->hwoReal);
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case WODM_RESTART:
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return waveOutRestart(pms->hwoReal);
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case WODM_RESET:
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return waveOutReset(pms->hwoReal);
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case WODM_BREAKLOOP:
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return waveOutBreakLoop(pms->hwoReal);
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case WODM_GETPOS:
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return mapWaveGetPosition(pms, (LPMMTIME)dwParam1, (UINT)dwParam2);
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case WODM_GETVOLUME:
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if (NULL != pms)
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{
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#if (WINVER < 0x0400)
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UINT uDevId;
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waveOutGetID(pms->hwoReal, &uDevId);
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return waveOutGetVolume(uDevId, (LPDWORD)dwParam1);
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#else
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return waveOutGetVolume(pms->hwoReal, (LPDWORD)dwParam1);
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#endif
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}
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else
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{
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UINT uDevId;
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WAIT_FOR_MUTEX(gpag->hMutexSettings);
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uDevId = gpag->pSettings->uIdPreferredOut;
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RELEASE_MUTEX(gpag->hMutexSettings);
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if ((UINT)WAVE_MAPPER != uDevId)
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{
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#if (WINVER < 0x0400)
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return waveOutGetVolume(uDevId, (LPDWORD)dwParam1);
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#else
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return waveOutGetVolume((HWAVEOUT)LongToHandle(uDevId), (LPDWORD)dwParam1);
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#endif
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}
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}
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return (MMSYSERR_NOTSUPPORTED);
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case WODM_SETVOLUME:
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if (NULL != pms)
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{
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#if (WINVER < 0x0400)
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UINT uDevId;
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waveOutGetID(pms->hwoReal, &uDevId);
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return waveOutSetVolume(uDevId, (DWORD)(PtrToLong((PVOID)dwParam1)) );
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#else
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return waveOutSetVolume(pms->hwoReal, (DWORD)(PtrToLong((PVOID)dwParam1)) );
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#endif
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}
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else
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{
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UINT uDevId;
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WAIT_FOR_MUTEX(gpag->hMutexSettings);
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uDevId = gpag->pSettings->uIdPreferredOut;
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RELEASE_MUTEX(gpag->hMutexSettings);
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if ((UINT)WAVE_MAPPER != uDevId)
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{
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#if (WINVER < 0x0400)
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return waveOutSetVolume(uDevId, (DWORD)(PtrToLong((PVOID)dwParam1)) );
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#else
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return waveOutSetVolume((HWAVEOUT)(UINT_PTR)uDevId, (DWORD)(PtrToLong((PVOID)dwParam1)) );
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#endif
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}
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}
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return (MMSYSERR_NOTSUPPORTED);
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case WODM_GETPITCH:
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return waveOutGetPitch(pms->hwoReal, (LPDWORD)dwParam1);
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case WODM_SETPITCH:
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return waveOutSetPitch(pms->hwoReal, (DWORD)(PtrToLong((PVOID)dwParam1)) );
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case WODM_GETPLAYBACKRATE:
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return waveOutGetPlaybackRate(pms->hwoReal, (LPDWORD)dwParam1);
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case WODM_SETPLAYBACKRATE:
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return waveOutSetPlaybackRate(pms->hwoReal, (DWORD)(PtrToLong((PVOID)dwParam1)) );
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case WODM_MAPPER_STATUS:
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dw = wodmMapperStatus(pms, (DWORD)(PtrToLong((PVOID)dwParam1)), (LPDWORD)dwParam2);
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return (dw);
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#if (WINVER >= 0x0400)
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case DRVM_MAPPER_RECONFIGURE:
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mapDriverDisable(NULL);
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mapDriverEnable(NULL);
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return (0);
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#endif
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}
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if (!pms || !pms->hwoReal)
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return (MMSYSERR_NOTSUPPORTED);
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return waveOutMessage(pms->hwoReal, uMsg, dwParam1, dwParam2);
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} // wodMessage()
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