565 lines
18 KiB
C
565 lines
18 KiB
C
/* -*- tab-width: 8; c-basic-offset: 4 -*- */
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/*
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* Wine Wave mapper driver
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*
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* Copyright 1999 Eric Pouech
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*/
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/* TODOs
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* + implement wavein as waveout has been implemented
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* + better protection against evilish dwUser parameters
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* + use asynchronous ACM conversion
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*/
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#include "windef.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "mmddk.h"
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#include "msacm.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(msacm)
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typedef struct tagWAVEMAPDATA {
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struct tagWAVEMAPDATA* self;
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HWAVE hWave;
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HACMSTREAM hAcmStream;
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/* needed data to filter callbacks. Only needed when hAcmStream is not 0 */
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DWORD dwCallback;
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DWORD dwClientInstance;
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DWORD dwFlags;
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MMRESULT (WINAPI *acmStreamOpen)(LPHACMSTREAM, HACMDRIVER, LPWAVEFORMATEX, LPWAVEFORMATEX, LPWAVEFILTER, DWORD, DWORD, DWORD);
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MMRESULT (WINAPI *acmStreamClose)(HACMSTREAM, DWORD);
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MMRESULT (WINAPI *acmStreamSize)(HACMSTREAM, DWORD, LPDWORD, DWORD);
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MMRESULT (WINAPI *acmStreamConvert)(HACMSTREAM, PACMSTREAMHEADER, DWORD);
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MMRESULT (WINAPI *acmStreamPrepareHeader)(HACMSTREAM, PACMSTREAMHEADER, DWORD);
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MMRESULT (WINAPI *acmStreamUnprepareHeader)(HACMSTREAM, PACMSTREAMHEADER, DWORD);
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} WAVEMAPDATA;
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static BOOL WAVEMAP_IsData(WAVEMAPDATA* wm)
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{
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return (!IsBadReadPtr(wm, sizeof(WAVEMAPDATA)) && wm->self == wm);
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}
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/*======================================================================*
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* WAVE OUT part *
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*======================================================================*/
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static void CALLBACK WAVEMAP_DstCallback(HDRVR hDev, UINT uMsg, DWORD dwInstance,
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DWORD dwParam1, DWORD dwParam2)
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{
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WAVEMAPDATA* wom = (WAVEMAPDATA*)dwInstance;
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TRACE("(0x%x %u %ld %lx %lx);\n", hDev, uMsg, dwInstance, dwParam1, dwParam2);
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switch (uMsg) {
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case WOM_OPEN:
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case WOM_CLOSE:
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/* dwParam1 & dwParam2 are supposed to be 0, nothing to do */
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break;
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case WOM_DONE:
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{
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LPWAVEHDR lpWaveHdrDst = (LPWAVEHDR)dwParam1;
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PACMSTREAMHEADER ash = (PACMSTREAMHEADER)((LPSTR)lpWaveHdrDst - sizeof(ACMSTREAMHEADER));
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LPWAVEHDR lpWaveHdrSrc = (LPWAVEHDR)ash->dwUser;
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lpWaveHdrSrc->dwFlags &= ~WHDR_INQUEUE;
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lpWaveHdrSrc->dwFlags |= WHDR_DONE;
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dwParam1 = (DWORD)lpWaveHdrSrc;
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}
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break;
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default:
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ERR("Unknown msg %u\n", uMsg);
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}
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DriverCallback(wom->dwCallback, HIWORD(wom->dwFlags), hDev, uMsg,
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wom->dwClientInstance, dwParam1, dwParam2);
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}
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static DWORD wodOpenHelper(WAVEMAPDATA* wom, UINT idx,
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LPWAVEOPENDESC lpDesc, LPWAVEFORMATEX lpwfx,
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DWORD dwFlags)
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{
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DWORD ret;
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/* destination is always PCM, so the formulas below apply */
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lpwfx->nBlockAlign = (lpwfx->nChannels * lpwfx->wBitsPerSample) / 8;
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lpwfx->nAvgBytesPerSec = lpwfx->nSamplesPerSec * lpwfx->nBlockAlign;
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ret = wom->acmStreamOpen(&wom->hAcmStream, 0, lpDesc->lpFormat, lpwfx, NULL, 0L, 0L,
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(dwFlags & WAVE_FORMAT_QUERY) ? ACM_STREAMOPENF_QUERY : 0L);
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if (ret != MMSYSERR_NOERROR)
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return ret;
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return waveOutOpen(&wom->hWave, idx, lpwfx, (DWORD)WAVEMAP_DstCallback,
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(DWORD)wom, (dwFlags & ~CALLBACK_TYPEMASK) | CALLBACK_FUNCTION);
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}
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static DWORD wodOpen(LPDWORD lpdwUser, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
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{
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UINT nd = waveOutGetNumDevs();
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UINT i;
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WAVEMAPDATA* wom = HeapAlloc(GetProcessHeap(), 0, sizeof(WAVEMAPDATA));
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WAVEFORMATEX wfx;
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TRACE("(%p %p %08lx\n", lpdwUser, lpDesc, dwFlags);
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if (!wom)
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return MMSYSERR_NOMEM;
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wom->self = wom;
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for (i = 0; i < nd; i++) {
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/* if no ACM stuff is involved, no need to handle callbacks at this
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* level, this will be done transparently
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*/
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if (waveOutOpen(&wom->hWave, i, lpDesc->lpFormat, lpDesc->dwCallback,
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lpDesc->dwInstance, dwFlags) == MMSYSERR_NOERROR) {
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wom->hAcmStream = 0;
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goto found;
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}
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}
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/* temporary hack until real builtin dll loading is available */
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do {
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HMODULE hModule = LoadLibraryA("msacm32.dll");
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wom->acmStreamOpen = (void*)GetProcAddress(hModule, "acmStreamOpen");
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wom->acmStreamClose = (void*)GetProcAddress(hModule, "acmStreamClose");
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wom->acmStreamSize = (void*)GetProcAddress(hModule, "acmStreamSize");
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wom->acmStreamConvert = (void*)GetProcAddress(hModule, "acmStreamConvert");
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wom->acmStreamPrepareHeader = (void*)GetProcAddress(hModule, "acmStreamPrepareHeader");
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wom->acmStreamUnprepareHeader = (void*)GetProcAddress(hModule, "acmStreamUnprepareHeader");
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} while (0);
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wfx.wFormatTag = WAVE_FORMAT_PCM;
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wfx.cbSize = 0; /* normally, this field is not used for PCM format, just in case */
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/* try some ACM stuff */
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wom->dwCallback = lpDesc->dwCallback;
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wom->dwFlags = dwFlags;
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wom->dwClientInstance = lpDesc->dwInstance;
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#define TRY(sps,bps) wfx.nSamplesPerSec = (sps); wfx.wBitsPerSample = (bps); \
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if (wodOpenHelper(wom, i, lpDesc, &wfx, dwFlags) == MMSYSERR_NOERROR) goto found;
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for (i = 0; i < nd; i++) {
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/* first try with same stereo/mono option as source */
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wfx.nChannels = lpDesc->lpFormat->nChannels;
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TRY(44100, 8);
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TRY(22050, 8);
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TRY(11025, 8);
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/* 2^3 => 1, 1^3 => 2, so if stereo, try mono (and the other way around) */
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wfx.nChannels ^= 3;
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TRY(44100, 8);
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TRY(22050, 8);
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TRY(11025, 8);
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}
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#undef TRY
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HeapFree(GetProcessHeap(), 0, wom);
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return MMSYSERR_ALLOCATED;
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found:
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if (dwFlags & WAVE_FORMAT_QUERY) {
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lpDesc->hWave = 0;
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*lpdwUser = 0L;
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HeapFree(GetProcessHeap(), 0, wom);
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} else {
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lpDesc->hWave = wom->hWave;
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*lpdwUser = (DWORD)wom;
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}
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return MMSYSERR_NOERROR;
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}
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static DWORD wodClose(WAVEMAPDATA* wom)
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{
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DWORD ret = waveOutClose(wom->hWave);
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if (ret == MMSYSERR_NOERROR) {
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if (wom->hAcmStream) {
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ret = wom->acmStreamClose(wom->hAcmStream, 0);
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}
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if (ret == MMSYSERR_NOERROR) {
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HeapFree(GetProcessHeap(), 0, wom);
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}
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}
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return ret;
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}
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static DWORD wodWrite(WAVEMAPDATA* wom, LPWAVEHDR lpWaveHdrSrc, DWORD dwParam2)
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{
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PACMSTREAMHEADER ash;
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LPWAVEHDR lpWaveHdrDst;
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if (!wom->hAcmStream) {
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return waveOutWrite(wom->hWave, lpWaveHdrSrc, dwParam2);
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}
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lpWaveHdrSrc->dwFlags |= WHDR_INQUEUE;
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ash = (PACMSTREAMHEADER)lpWaveHdrSrc->reserved;
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if (wom->acmStreamConvert(wom->hAcmStream, ash, 0L) != MMSYSERR_NOERROR)
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return MMSYSERR_ERROR;
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lpWaveHdrDst = (LPWAVEHDR)((LPSTR)ash + sizeof(ACMSTREAMHEADER));
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lpWaveHdrDst->dwBufferLength = ash->cbDstLengthUsed;
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return waveOutWrite(wom->hWave, lpWaveHdrDst, sizeof(*lpWaveHdrDst));
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}
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static DWORD wodPrepare(WAVEMAPDATA* wom, LPWAVEHDR lpWaveHdrSrc, DWORD dwParam2)
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{
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PACMSTREAMHEADER ash;
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DWORD size;
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DWORD dwRet;
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LPWAVEHDR lpWaveHdrDst;
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if (!wom->hAcmStream) {
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return waveOutPrepareHeader(wom->hWave, lpWaveHdrSrc, dwParam2);
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}
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if (wom->acmStreamSize(wom->hAcmStream, lpWaveHdrSrc->dwBufferLength, &size, ACM_STREAMSIZEF_SOURCE) != MMSYSERR_NOERROR)
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return MMSYSERR_ERROR;
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ash = HeapAlloc(GetProcessHeap(), 0, sizeof(ACMSTREAMHEADER) + sizeof(WAVEHDR) + size);
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if (ash == NULL)
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return MMSYSERR_NOMEM;
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ash->cbStruct = sizeof(*ash);
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ash->fdwStatus = 0L;
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ash->dwUser = (DWORD)lpWaveHdrSrc;
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ash->pbSrc = lpWaveHdrSrc->lpData;
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ash->cbSrcLength = lpWaveHdrSrc->dwBufferLength;
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/* ash->cbSrcLengthUsed */
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ash->dwSrcUser = lpWaveHdrSrc->dwUser; /* FIXME ? */
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ash->pbDst = (LPSTR)ash + sizeof(ACMSTREAMHEADER) + sizeof(WAVEHDR);
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ash->cbDstLength = size;
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/* ash->cbDstLengthUsed */
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ash->dwDstUser = 0; /* FIXME ? */
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dwRet = wom->acmStreamPrepareHeader(wom->hAcmStream, ash, 0L);
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if (dwRet != MMSYSERR_NOERROR)
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goto errCleanUp;
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lpWaveHdrDst = (LPWAVEHDR)((LPSTR)ash + sizeof(ACMSTREAMHEADER));
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lpWaveHdrDst->lpData = ash->pbDst;
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lpWaveHdrDst->dwBufferLength = size; /* conversion is not done yet */
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lpWaveHdrDst->dwFlags = 0;
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lpWaveHdrDst->dwLoops = 0;
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dwRet = waveOutPrepareHeader(wom->hWave, lpWaveHdrDst, sizeof(*lpWaveHdrDst));
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if (dwRet != MMSYSERR_NOERROR)
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goto errCleanUp;
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lpWaveHdrSrc->reserved = (DWORD)ash;
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lpWaveHdrSrc->dwFlags = WHDR_PREPARED;
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TRACE("=> (0)\n");
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return MMSYSERR_NOERROR;
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errCleanUp:
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TRACE("=> (%ld)\n", dwRet);
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HeapFree(GetProcessHeap(), 0, ash);
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return dwRet;
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}
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static DWORD wodUnprepare(WAVEMAPDATA* wom, LPWAVEHDR lpWaveHdrSrc, DWORD dwParam2)
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{
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PACMSTREAMHEADER ash;
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LPWAVEHDR lpWaveHdrDst;
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DWORD dwRet1, dwRet2;
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if (!wom->hAcmStream) {
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return waveOutUnprepareHeader(wom->hWave, lpWaveHdrSrc, dwParam2);
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}
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ash = (PACMSTREAMHEADER)lpWaveHdrSrc->reserved;
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dwRet1 = wom->acmStreamUnprepareHeader(wom->hAcmStream, ash, 0L);
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lpWaveHdrDst = (LPWAVEHDR)((LPSTR)ash + sizeof(ACMSTREAMHEADER));
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dwRet2 = waveOutUnprepareHeader(wom->hWave, lpWaveHdrDst, sizeof(*lpWaveHdrDst));
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HeapFree(GetProcessHeap(), 0, ash);
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lpWaveHdrSrc->dwFlags &= ~WHDR_PREPARED;
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return (dwRet1 == MMSYSERR_NOERROR) ? dwRet2 : dwRet1;
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}
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static DWORD wodGetPosition(WAVEMAPDATA* wom, LPMMTIME lpTime, DWORD dwParam2)
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{
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return waveOutGetPosition(wom->hWave, lpTime, dwParam2);
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}
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static DWORD wodGetDevCaps(UINT wDevID, WAVEMAPDATA* wom, LPWAVEOUTCAPSA lpWaveCaps, DWORD dwParam2)
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{
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/* if opened low driver, forward message */
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if (WAVEMAP_IsData(wom))
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return waveOutGetDevCapsA(wom->hWave, lpWaveCaps, dwParam2);
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/* otherwise, return caps of mapper itself */
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if (wDevID == (UINT)-1 || wDevID == (UINT16)-1) {
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lpWaveCaps->wMid = 0x00FF;
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lpWaveCaps->wPid = 0x0001;
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lpWaveCaps->vDriverVersion = 0x0100;
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strcpy(lpWaveCaps->szPname, "Wine wave out mapper");
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lpWaveCaps->dwFormats =
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WAVE_FORMAT_4M08 | WAVE_FORMAT_4S08 | WAVE_FORMAT_4M16 | WAVE_FORMAT_4S16 |
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WAVE_FORMAT_2M08 | WAVE_FORMAT_2S08 | WAVE_FORMAT_2M16 | WAVE_FORMAT_2S16 |
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WAVE_FORMAT_1M08 | WAVE_FORMAT_1S08 | WAVE_FORMAT_1M16 | WAVE_FORMAT_1S16;
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lpWaveCaps->wChannels = 2;
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lpWaveCaps->dwSupport = WAVECAPS_VOLUME | WAVECAPS_LRVOLUME;
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return MMSYSERR_NOERROR;
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}
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ERR("This shouldn't happen\n");
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return MMSYSERR_ERROR;
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}
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static DWORD wodGetVolume(UINT wDevID, WAVEMAPDATA* wom, LPDWORD lpVol)
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{
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if (WAVEMAP_IsData(wom))
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return waveOutGetVolume(wom->hWave, lpVol);
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return MMSYSERR_NOERROR;
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}
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static DWORD wodSetVolume(UINT wDevID, WAVEMAPDATA* wom, DWORD vol)
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{
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if (WAVEMAP_IsData(wom))
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return waveOutSetVolume(wom->hWave, vol);
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return MMSYSERR_NOERROR;
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}
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static DWORD wodPause(WAVEMAPDATA* wom)
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{
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return waveOutPause(wom->hWave);
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}
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static DWORD wodRestart(WAVEMAPDATA* wom)
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{
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return waveOutRestart(wom->hWave);
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}
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static DWORD wodReset(WAVEMAPDATA* wom)
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{
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return waveOutReset(wom->hWave);
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}
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static DWORD wodBreakLoop(WAVEMAPDATA* wom)
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{
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return waveOutBreakLoop(wom->hWave);
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}
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/**************************************************************************
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* WAVEMAP_wodMessage [sample driver]
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*/
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DWORD WINAPI WAVEMAP_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
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DWORD dwParam1, DWORD dwParam2)
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{
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TRACE("(%u, %04X, %08lX, %08lX, %08lX);\n",
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wDevID, wMsg, dwUser, dwParam1, dwParam2);
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switch (wMsg) {
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case DRVM_INIT:
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case DRVM_EXIT:
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case DRVM_ENABLE:
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case DRVM_DISABLE:
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/* FIXME: Pretend this is supported */
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return 0;
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case WODM_OPEN: return wodOpen ((LPDWORD)dwUser, (LPWAVEOPENDESC)dwParam1,dwParam2);
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case WODM_CLOSE: return wodClose ((WAVEMAPDATA*)dwUser);
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case WODM_WRITE: return wodWrite ((WAVEMAPDATA*)dwUser, (LPWAVEHDR)dwParam1, dwParam2);
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case WODM_PAUSE: return wodPause ((WAVEMAPDATA*)dwUser);
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case WODM_GETPOS: return wodGetPosition ((WAVEMAPDATA*)dwUser, (LPMMTIME)dwParam1, dwParam2);
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case WODM_BREAKLOOP: return wodBreakLoop ((WAVEMAPDATA*)dwUser);
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case WODM_PREPARE: return wodPrepare ((WAVEMAPDATA*)dwUser, (LPWAVEHDR)dwParam1, dwParam2);
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case WODM_UNPREPARE: return wodUnprepare ((WAVEMAPDATA*)dwUser, (LPWAVEHDR)dwParam1, dwParam2);
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case WODM_GETDEVCAPS: return wodGetDevCaps (wDevID, (WAVEMAPDATA*)dwUser, (LPWAVEOUTCAPSA)dwParam1,dwParam2);
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case WODM_GETNUMDEVS: return 1;
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case WODM_GETPITCH: return MMSYSERR_NOTSUPPORTED;
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case WODM_SETPITCH: return MMSYSERR_NOTSUPPORTED;
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case WODM_GETPLAYBACKRATE: return MMSYSERR_NOTSUPPORTED;
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case WODM_SETPLAYBACKRATE: return MMSYSERR_NOTSUPPORTED;
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case WODM_GETVOLUME: return wodGetVolume (wDevID, (WAVEMAPDATA*)dwUser, (LPDWORD)dwParam1);
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case WODM_SETVOLUME: return wodSetVolume (wDevID, (WAVEMAPDATA*)dwUser, dwParam1);
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case WODM_RESTART: return wodRestart ((WAVEMAPDATA*)dwUser);
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case WODM_RESET: return wodReset ((WAVEMAPDATA*)dwUser);
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default:
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FIXME("unknown message %d!\n", wMsg);
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}
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return MMSYSERR_NOTSUPPORTED;
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}
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/*======================================================================*
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* WAVE IN part *
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*======================================================================*/
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static DWORD widOpen(LPDWORD lpdwUser, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
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{
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UINT nd = waveInGetNumDevs();
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UINT i;
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WAVEMAPDATA* wim = HeapAlloc(GetProcessHeap(), 0, sizeof(WAVEMAPDATA));
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TRACE("(%p %p %08lx\n", lpdwUser, lpDesc, dwFlags);
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wim->self = wim;
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for (i = 0; i < nd; i++) {
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if (waveInOpen(&wim->hWave, i, lpDesc->lpFormat, lpDesc->dwCallback,
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lpDesc->dwInstance, dwFlags) == MMSYSERR_NOERROR) {
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lpDesc->hWave = wim->hWave;
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*lpdwUser = (DWORD)wim;
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return MMSYSERR_NOERROR;
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}
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}
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HeapFree(GetProcessHeap(), 0, wim);
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return MMSYSERR_ALLOCATED;
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}
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static DWORD widClose(WAVEMAPDATA* wim)
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{
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DWORD ret = waveInClose(wim->hWave);
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if (ret == MMSYSERR_NOERROR)
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HeapFree(GetProcessHeap(), 0, wim);
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return ret;
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}
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static DWORD widAddBuffer(WAVEMAPDATA* wim, LPWAVEHDR lpWaveHdr, DWORD dwParam2)
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{
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return waveInAddBuffer(wim->hWave, lpWaveHdr, dwParam2);
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}
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static DWORD widPrepare(WAVEMAPDATA* wim, LPWAVEHDR lpWaveHdr, DWORD dwParam2)
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{
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return waveInPrepareHeader(wim->hWave, lpWaveHdr, dwParam2);
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}
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static DWORD widUnprepare(WAVEMAPDATA* wim, LPWAVEHDR lpWaveHdr, DWORD dwParam2)
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{
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return waveInUnprepareHeader(wim->hWave, lpWaveHdr, dwParam2);
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}
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static DWORD widGetPosition(WAVEMAPDATA* wim, LPMMTIME lpTime, DWORD dwParam2)
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{
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return waveInGetPosition(wim->hWave, lpTime, dwParam2);
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}
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static DWORD widGetDevCaps(UINT wDevID, WAVEMAPDATA* wim, LPWAVEINCAPSA lpWaveCaps, DWORD dwParam2)
|
|
{
|
|
/* if opened low driver, forward message */
|
|
if (WAVEMAP_IsData(wim))
|
|
return waveInGetDevCapsA(wim->hWave, lpWaveCaps, dwParam2);
|
|
/* otherwise, return caps of mapper itself */
|
|
if (wDevID == (UINT)-1 || wDevID == (UINT16)-1) {
|
|
lpWaveCaps->wMid = 0x00FF;
|
|
lpWaveCaps->wPid = 0x0001;
|
|
lpWaveCaps->vDriverVersion = 0x0001;
|
|
strcpy(lpWaveCaps->szPname, "Wine wave in mapper");
|
|
lpWaveCaps->dwFormats =
|
|
WAVE_FORMAT_4M08 | WAVE_FORMAT_4S08 | WAVE_FORMAT_4M16 | WAVE_FORMAT_4S16 |
|
|
WAVE_FORMAT_2M08 | WAVE_FORMAT_2S08 | WAVE_FORMAT_2M16 | WAVE_FORMAT_2S16 |
|
|
WAVE_FORMAT_1M08 | WAVE_FORMAT_1S08 | WAVE_FORMAT_1M16 | WAVE_FORMAT_1S16;
|
|
lpWaveCaps->wChannels = 2;
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
ERR("This shouldn't happen\n");
|
|
return MMSYSERR_ERROR;
|
|
}
|
|
|
|
static DWORD widStop(WAVEMAPDATA* wim)
|
|
{
|
|
return waveInStop(wim->hWave);
|
|
}
|
|
|
|
static DWORD widStart(WAVEMAPDATA* wim)
|
|
{
|
|
return waveInStart(wim->hWave);
|
|
}
|
|
|
|
static DWORD widReset(WAVEMAPDATA* wim)
|
|
{
|
|
return waveInReset(wim->hWave);
|
|
}
|
|
|
|
/**************************************************************************
|
|
* WAVEMAP_widMessage [sample driver]
|
|
*/
|
|
DWORD WINAPI WAVEMAP_widMessage(WORD wDevID, WORD wMsg, DWORD dwUser,
|
|
DWORD dwParam1, DWORD dwParam2)
|
|
{
|
|
TRACE("(%u, %04X, %08lX, %08lX, %08lX);\n",
|
|
wDevID, wMsg, dwUser, dwParam1, dwParam2);
|
|
|
|
switch (wMsg) {
|
|
case DRVM_INIT:
|
|
case DRVM_EXIT:
|
|
case DRVM_ENABLE:
|
|
case DRVM_DISABLE:
|
|
/* FIXME: Pretend this is supported */
|
|
return 0;
|
|
|
|
case WIDM_OPEN: return widOpen ((LPDWORD)dwUser, (LPWAVEOPENDESC)dwParam1, dwParam2);
|
|
case WIDM_CLOSE: return widClose ((WAVEMAPDATA*)dwUser);
|
|
|
|
case WIDM_ADDBUFFER: return widAddBuffer ((WAVEMAPDATA*)dwUser, (LPWAVEHDR)dwParam1, dwParam2);
|
|
case WIDM_PREPARE: return widPrepare ((WAVEMAPDATA*)dwUser, (LPWAVEHDR)dwParam1, dwParam2);
|
|
case WIDM_UNPREPARE: return widUnprepare ((WAVEMAPDATA*)dwUser, (LPWAVEHDR)dwParam1, dwParam2);
|
|
case WIDM_GETDEVCAPS: return widGetDevCaps (wDevID, (WAVEMAPDATA*)dwUser, (LPWAVEINCAPSA)dwParam1, dwParam2);
|
|
case WIDM_GETNUMDEVS: return 1;
|
|
case WIDM_GETPOS: return widGetPosition ((WAVEMAPDATA*)dwUser, (LPMMTIME)dwParam1, dwParam2);
|
|
case WIDM_RESET: return widReset ((WAVEMAPDATA*)dwUser);
|
|
case WIDM_START: return widStart ((WAVEMAPDATA*)dwUser);
|
|
case WIDM_STOP: return widStop ((WAVEMAPDATA*)dwUser);
|
|
default:
|
|
FIXME("unknown message %u!\n", wMsg);
|
|
}
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
}
|
|
|
|
/*======================================================================*
|
|
* Driver part *
|
|
*======================================================================*/
|
|
|
|
static struct WINE_WAVEMAP* oss = NULL;
|
|
|
|
/**************************************************************************
|
|
* WAVEMAP_drvOpen [internal]
|
|
*/
|
|
static DWORD WAVEMAP_drvOpen(LPSTR str)
|
|
{
|
|
if (oss)
|
|
return 0;
|
|
|
|
/* I know, this is ugly, but who cares... */
|
|
oss = (struct WINE_WAVEMAP*)1;
|
|
return 1;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* WAVEMAP_drvClose [internal]
|
|
*/
|
|
static DWORD WAVEMAP_drvClose(DWORD dwDevID)
|
|
{
|
|
if (oss) {
|
|
oss = NULL;
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* WAVEMAP_DriverProc [internal]
|
|
*/
|
|
LONG CALLBACK WAVEMAP_DriverProc(DWORD dwDevID, HDRVR hDriv, DWORD wMsg,
|
|
DWORD dwParam1, DWORD dwParam2)
|
|
{
|
|
/* EPP TRACE("(%08lX, %04X, %08lX, %08lX, %08lX)\n", */
|
|
/* EPP dwDevID, hDriv, wMsg, dwParam1, dwParam2); */
|
|
|
|
switch(wMsg) {
|
|
case DRV_LOAD: return 1;
|
|
case DRV_FREE: return 1;
|
|
case DRV_OPEN: return WAVEMAP_drvOpen((LPSTR)dwParam1);
|
|
case DRV_CLOSE: return WAVEMAP_drvClose(dwDevID);
|
|
case DRV_ENABLE: return 1;
|
|
case DRV_DISABLE: return 1;
|
|
case DRV_QUERYCONFIGURE: return 1;
|
|
case DRV_CONFIGURE: MessageBoxA(0, "WAVEMAP MultiMedia Driver !", "OSS Driver", MB_OK); return 1;
|
|
case DRV_INSTALL: return DRVCNF_RESTART;
|
|
case DRV_REMOVE: return DRVCNF_RESTART;
|
|
default:
|
|
return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
|
|
}
|
|
}
|
|
|
|
|