Sweden-Number/dlls/winmm/wavemap/wavemap.c

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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
2002-06-01 01:06:46 +02:00
/*
* Wine Wave mapper driver
*
* Copyright 1999,2001 Eric Pouech
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* TODOs
* + better protection against evilish dwUser parameters
* + use asynchronous ACM conversion
* + don't use callback functions when none is required in open
* + the buffer sizes may not be accurate, so there may be some
* remaining bytes in src and dst buffers after ACM conversions...
* those should be taken care of...
*/
#include <stdarg.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "mmddk.h"
#include "mmreg.h"
#include "msacm.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msacm);
typedef struct tagWAVEMAPDATA {
struct tagWAVEMAPDATA* self;
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union {
struct {
HWAVEOUT hOuterWave;
HWAVEOUT hInnerWave;
} out;
struct {
HWAVEIN hOuterWave;
HWAVEIN hInnerWave;
} in;
} u;
HACMSTREAM hAcmStream;
/* needed data to filter callbacks. Only needed when hAcmStream is not 0 */
DWORD dwCallback;
DWORD dwClientInstance;
DWORD dwFlags;
/* ratio to compute position from a PCM playback to any format */
DWORD avgSpeedOuter;
DWORD avgSpeedInner;
} WAVEMAPDATA;
static BOOL WAVEMAP_IsData(WAVEMAPDATA* wm)
{
return (!IsBadReadPtr(wm, sizeof(WAVEMAPDATA)) && wm->self == wm);
}
/*======================================================================*
* WAVE OUT part *
*======================================================================*/
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static void CALLBACK wodCallback(HWAVEOUT hWave, UINT uMsg, DWORD dwInstance,
DWORD dwParam1, DWORD dwParam2)
{
WAVEMAPDATA* wom = (WAVEMAPDATA*)dwInstance;
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TRACE("(%p %u %ld %lx %lx);\n", hWave, uMsg, dwInstance, dwParam1, dwParam2);
if (!WAVEMAP_IsData(wom)) {
ERR("Bad data\n");
return;
}
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if (hWave != wom->u.out.hInnerWave && uMsg != WOM_OPEN)
ERR("Shouldn't happen (%p %p)\n", hWave, wom->u.out.hInnerWave);
switch (uMsg) {
case WOM_OPEN:
case WOM_CLOSE:
/* dwParam1 & dwParam2 are supposed to be 0, nothing to do */
break;
case WOM_DONE:
if (wom->hAcmStream) {
LPWAVEHDR lpWaveHdrDst = (LPWAVEHDR)dwParam1;
PACMSTREAMHEADER ash = (PACMSTREAMHEADER)((LPSTR)lpWaveHdrDst - sizeof(ACMSTREAMHEADER));
LPWAVEHDR lpWaveHdrSrc = (LPWAVEHDR)ash->dwUser;
lpWaveHdrSrc->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdrSrc->dwFlags |= WHDR_DONE;
dwParam1 = (DWORD)lpWaveHdrSrc;
}
break;
default:
ERR("Unknown msg %u\n", uMsg);
}
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DriverCallback(wom->dwCallback, HIWORD(wom->dwFlags), (HDRVR)wom->u.out.hOuterWave,
uMsg, wom->dwClientInstance, dwParam1, dwParam2);
}
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/******************************************************************
* wodOpenHelper
*
*
*/
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static DWORD wodOpenHelper(WAVEMAPDATA* wom, UINT idx,
LPWAVEOPENDESC lpDesc, LPWAVEFORMATEX lpwfx,
DWORD dwFlags)
{
DWORD ret;
/* destination is always PCM, so the formulas below apply */
lpwfx->nBlockAlign = (lpwfx->nChannels * lpwfx->wBitsPerSample) / 8;
lpwfx->nAvgBytesPerSec = lpwfx->nSamplesPerSec * lpwfx->nBlockAlign;
if (dwFlags & WAVE_FORMAT_QUERY) {
ret = acmStreamOpen(NULL, 0, lpDesc->lpFormat, lpwfx, NULL, 0L, 0L, ACM_STREAMOPENF_QUERY);
} else {
ret = acmStreamOpen(&wom->hAcmStream, 0, lpDesc->lpFormat, lpwfx, NULL, 0L, 0L, 0L);
}
if (ret == MMSYSERR_NOERROR) {
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ret = waveOutOpen(&wom->u.out.hInnerWave, idx, lpwfx, (DWORD)wodCallback,
(DWORD)wom, (dwFlags & ~CALLBACK_TYPEMASK) | CALLBACK_FUNCTION);
if (ret != MMSYSERR_NOERROR && !(dwFlags & WAVE_FORMAT_QUERY)) {
acmStreamClose(wom->hAcmStream, 0);
wom->hAcmStream = 0;
}
}
return ret;
}
static DWORD wodOpen(LPDWORD lpdwUser, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
{
UINT ndlo, ndhi;
UINT i;
WAVEMAPDATA* wom = HeapAlloc(GetProcessHeap(), 0, sizeof(WAVEMAPDATA));
TRACE("(%p %p %08lx)\n", lpdwUser, lpDesc, dwFlags);
if (!wom)
return MMSYSERR_NOMEM;
ndhi = waveOutGetNumDevs();
if (dwFlags & WAVE_MAPPED) {
if (lpDesc->uMappedDeviceID >= ndhi) return MMSYSERR_INVALPARAM;
ndlo = lpDesc->uMappedDeviceID;
ndhi = ndlo + 1;
dwFlags &= ~WAVE_MAPPED;
} else {
ndlo = 0;
}
wom->self = wom;
wom->dwCallback = lpDesc->dwCallback;
wom->dwFlags = dwFlags;
wom->dwClientInstance = lpDesc->dwInstance;
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wom->u.out.hOuterWave = (HWAVEOUT)lpDesc->hWave;
wom->avgSpeedOuter = wom->avgSpeedInner = lpDesc->lpFormat->nAvgBytesPerSec;
for (i = ndlo; i < ndhi; i++) {
/* if no ACM stuff is involved, no need to handle callbacks at this
* level, this will be done transparently
*/
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if (waveOutOpen(&wom->u.out.hInnerWave, i, lpDesc->lpFormat, (DWORD)wodCallback,
(DWORD)wom, (dwFlags & ~CALLBACK_TYPEMASK) | CALLBACK_FUNCTION | WAVE_FORMAT_DIRECT) == MMSYSERR_NOERROR) {
wom->hAcmStream = 0;
goto found;
}
}
if ((dwFlags & WAVE_FORMAT_DIRECT) == 0) {
WAVEFORMATEX wfx;
wfx.wFormatTag = WAVE_FORMAT_PCM;
wfx.cbSize = 0; /* normally, this field is not used for PCM format, just in case */
/* try some ACM stuff */
#define TRY(sps,bps) wfx.nSamplesPerSec = (sps); wfx.wBitsPerSample = (bps); \
switch (wodOpenHelper(wom, i, lpDesc, &wfx, dwFlags | WAVE_FORMAT_DIRECT)) { \
case MMSYSERR_NOERROR: wom->avgSpeedInner = wfx.nAvgBytesPerSec; goto found; \
case WAVERR_BADFORMAT: break; \
default: goto error; \
}
/* Our resampling algorithm is quite primitive so first try
* to just change the bit depth and number of channels
*/
for (i = ndlo; i < ndhi; i++) {
wfx.nSamplesPerSec=lpDesc->lpFormat->nSamplesPerSec;
wfx.nChannels = lpDesc->lpFormat->nChannels;
TRY(wfx.nSamplesPerSec, 16);
TRY(wfx.nSamplesPerSec, 8);
wfx.nChannels ^= 3;
TRY(wfx.nSamplesPerSec, 16);
TRY(wfx.nSamplesPerSec, 8);
}
for (i = ndlo; i < ndhi; i++) {
/* first try with same stereo/mono option as source */
wfx.nChannels = lpDesc->lpFormat->nChannels;
TRY(96000, 16);
TRY(48000, 16);
TRY(44100, 16);
TRY(22050, 16);
TRY(11025, 16);
/* 2^3 => 1, 1^3 => 2, so if stereo, try mono (and the other way around) */
wfx.nChannels ^= 3;
TRY(96000, 16);
TRY(48000, 16);
TRY(44100, 16);
TRY(22050, 16);
TRY(11025, 16);
/* first try with same stereo/mono option as source */
wfx.nChannels = lpDesc->lpFormat->nChannels;
TRY(96000, 8);
TRY(48000, 8);
TRY(44100, 8);
TRY(22050, 8);
TRY(11025, 8);
/* 2^3 => 1, 1^3 => 2, so if stereo, try mono (and the other way around) */
wfx.nChannels ^= 3;
TRY(96000, 8);
TRY(48000, 8);
TRY(44100, 8);
TRY(22050, 8);
TRY(11025, 8);
}
#undef TRY
}
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HeapFree(GetProcessHeap(), 0, wom);
return WAVERR_BADFORMAT;
found:
if (dwFlags & WAVE_FORMAT_QUERY) {
*lpdwUser = 0L;
HeapFree(GetProcessHeap(), 0, wom);
} else {
*lpdwUser = (DWORD)wom;
}
return MMSYSERR_NOERROR;
error:
HeapFree(GetProcessHeap(), 0, wom);
return MMSYSERR_ERROR;
}
static DWORD wodClose(WAVEMAPDATA* wom)
{
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DWORD ret = waveOutClose(wom->u.out.hInnerWave);
if (ret == MMSYSERR_NOERROR) {
if (wom->hAcmStream) {
ret = acmStreamClose(wom->hAcmStream, 0);
}
if (ret == MMSYSERR_NOERROR) {
HeapFree(GetProcessHeap(), 0, wom);
}
}
return ret;
}
static DWORD wodWrite(WAVEMAPDATA* wom, LPWAVEHDR lpWaveHdrSrc, DWORD dwParam2)
{
PACMSTREAMHEADER ash;
LPWAVEHDR lpWaveHdrDst;
if (!wom->hAcmStream) {
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return waveOutWrite(wom->u.out.hInnerWave, lpWaveHdrSrc, dwParam2);
}
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lpWaveHdrSrc->dwFlags |= WHDR_INQUEUE;
ash = (PACMSTREAMHEADER)lpWaveHdrSrc->reserved;
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/* acmStreamConvert will actually check that the new size is less than initial size */
ash->cbSrcLength = lpWaveHdrSrc->dwBufferLength;
if (acmStreamConvert(wom->hAcmStream, ash, 0L) != MMSYSERR_NOERROR)
return MMSYSERR_ERROR;
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lpWaveHdrDst = (LPWAVEHDR)((LPSTR)ash + sizeof(ACMSTREAMHEADER));
if (ash->cbSrcLength > ash->cbSrcLengthUsed)
FIXME("Not all src buffer has been written, expect bogus sound\n");
else if (ash->cbSrcLength < ash->cbSrcLengthUsed)
ERR("CoDec has read more data than it is allowed to\n");
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if (ash->cbDstLengthUsed == 0)
{
/* something went wrong in decoding */
FIXME("Got 0 length\n");
return MMSYSERR_ERROR;
}
lpWaveHdrDst->dwBufferLength = ash->cbDstLengthUsed;
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return waveOutWrite(wom->u.out.hInnerWave, lpWaveHdrDst, sizeof(*lpWaveHdrDst));
}
static DWORD wodPrepare(WAVEMAPDATA* wom, LPWAVEHDR lpWaveHdrSrc, DWORD dwParam2)
{
PACMSTREAMHEADER ash;
DWORD size;
DWORD dwRet;
LPWAVEHDR lpWaveHdrDst;
if (!wom->hAcmStream) {
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return waveOutPrepareHeader(wom->u.out.hInnerWave, lpWaveHdrSrc, dwParam2);
}
if (acmStreamSize(wom->hAcmStream, lpWaveHdrSrc->dwBufferLength, &size, ACM_STREAMSIZEF_SOURCE) != MMSYSERR_NOERROR)
return MMSYSERR_ERROR;
ash = HeapAlloc(GetProcessHeap(), 0, sizeof(ACMSTREAMHEADER) + sizeof(WAVEHDR) + size);
if (ash == NULL)
return MMSYSERR_NOMEM;
ash->cbStruct = sizeof(*ash);
ash->fdwStatus = 0L;
ash->dwUser = (DWORD)lpWaveHdrSrc;
ash->pbSrc = lpWaveHdrSrc->lpData;
ash->cbSrcLength = lpWaveHdrSrc->dwBufferLength;
/* ash->cbSrcLengthUsed */
ash->dwSrcUser = lpWaveHdrSrc->dwUser; /* FIXME ? */
ash->pbDst = (LPSTR)ash + sizeof(ACMSTREAMHEADER) + sizeof(WAVEHDR);
ash->cbDstLength = size;
/* ash->cbDstLengthUsed */
ash->dwDstUser = 0; /* FIXME ? */
dwRet = acmStreamPrepareHeader(wom->hAcmStream, ash, 0L);
if (dwRet != MMSYSERR_NOERROR)
goto errCleanUp;
lpWaveHdrDst = (LPWAVEHDR)((LPSTR)ash + sizeof(ACMSTREAMHEADER));
lpWaveHdrDst->lpData = ash->pbDst;
lpWaveHdrDst->dwBufferLength = size; /* conversion is not done yet */
lpWaveHdrDst->dwFlags = 0;
lpWaveHdrDst->dwLoops = 0;
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dwRet = waveOutPrepareHeader(wom->u.out.hInnerWave, lpWaveHdrDst, sizeof(*lpWaveHdrDst));
if (dwRet != MMSYSERR_NOERROR)
goto errCleanUp;
lpWaveHdrSrc->reserved = (DWORD)ash;
lpWaveHdrSrc->dwFlags = WHDR_PREPARED;
TRACE("=> (0)\n");
return MMSYSERR_NOERROR;
errCleanUp:
TRACE("=> (%ld)\n", dwRet);
HeapFree(GetProcessHeap(), 0, ash);
return dwRet;
}
static DWORD wodUnprepare(WAVEMAPDATA* wom, LPWAVEHDR lpWaveHdrSrc, DWORD dwParam2)
{
PACMSTREAMHEADER ash;
LPWAVEHDR lpWaveHdrDst;
DWORD dwRet1, dwRet2;
if (!wom->hAcmStream) {
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return waveOutUnprepareHeader(wom->u.out.hInnerWave, lpWaveHdrSrc, dwParam2);
}
ash = (PACMSTREAMHEADER)lpWaveHdrSrc->reserved;
dwRet1 = acmStreamUnprepareHeader(wom->hAcmStream, ash, 0L);
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lpWaveHdrDst = (LPWAVEHDR)((LPSTR)ash + sizeof(ACMSTREAMHEADER));
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dwRet2 = waveOutUnprepareHeader(wom->u.out.hInnerWave, lpWaveHdrDst, sizeof(*lpWaveHdrDst));
HeapFree(GetProcessHeap(), 0, ash);
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lpWaveHdrSrc->dwFlags &= ~WHDR_PREPARED;
return (dwRet1 == MMSYSERR_NOERROR) ? dwRet2 : dwRet1;
}
static DWORD wodGetPosition(WAVEMAPDATA* wom, LPMMTIME lpTime, DWORD dwParam2)
{
DWORD val = waveOutGetPosition(wom->u.out.hInnerWave, lpTime, dwParam2);
if (lpTime->wType == TIME_BYTES)
lpTime->u.cb = MulDiv(lpTime->u.cb, wom->avgSpeedOuter, wom->avgSpeedInner);
/* other time types don't require conversion */
return val;
}
static DWORD wodGetDevCaps(UINT wDevID, WAVEMAPDATA* wom, LPWAVEOUTCAPSA lpWaveCaps, DWORD dwParam2)
{
/* if opened low driver, forward message */
if (WAVEMAP_IsData(wom))
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return waveOutGetDevCapsA((UINT)wom->u.out.hInnerWave, lpWaveCaps, dwParam2);
/* otherwise, return caps of mapper itself */
if (wDevID == (UINT)-1 || wDevID == (UINT16)-1) {
lpWaveCaps->wMid = 0x00FF;
lpWaveCaps->wPid = 0x0001;
lpWaveCaps->vDriverVersion = 0x0100;
strcpy(lpWaveCaps->szPname, "Wine wave out mapper");
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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;
lpWaveCaps->dwSupport = WAVECAPS_VOLUME | WAVECAPS_LRVOLUME;
return MMSYSERR_NOERROR;
}
ERR("This shouldn't happen\n");
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return MMSYSERR_ERROR;
}
static DWORD wodGetVolume(UINT wDevID, WAVEMAPDATA* wom, LPDWORD lpVol)
{
if (WAVEMAP_IsData(wom))
return waveOutGetVolume(wom->u.out.hInnerWave, lpVol);
return MMSYSERR_NOERROR;
}
static DWORD wodSetVolume(UINT wDevID, WAVEMAPDATA* wom, DWORD vol)
{
if (WAVEMAP_IsData(wom))
return waveOutSetVolume(wom->u.out.hInnerWave, vol);
return MMSYSERR_NOERROR;
}
static DWORD wodPause(WAVEMAPDATA* wom)
{
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return waveOutPause(wom->u.out.hInnerWave);
}
static DWORD wodRestart(WAVEMAPDATA* wom)
{
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return waveOutRestart(wom->u.out.hInnerWave);
}
static DWORD wodReset(WAVEMAPDATA* wom)
{
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return waveOutReset(wom->u.out.hInnerWave);
}
static DWORD wodBreakLoop(WAVEMAPDATA* wom)
{
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return waveOutBreakLoop(wom->u.out.hInnerWave);
}
static DWORD wodMapperStatus(WAVEMAPDATA* wom, DWORD flags, LPVOID ptr)
{
UINT id;
DWORD ret = MMSYSERR_NOTSUPPORTED;
switch (flags) {
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case WAVEOUT_MAPPER_STATUS_DEVICE:
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ret = waveOutGetID(wom->u.out.hInnerWave, &id);
*(LPDWORD)ptr = id;
break;
case WAVEOUT_MAPPER_STATUS_MAPPED:
FIXME("Unsupported flag=%ld\n", flags);
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*(LPDWORD)ptr = 0; /* FIXME ?? */
break;
case WAVEOUT_MAPPER_STATUS_FORMAT:
FIXME("Unsupported flag=%ld\n", flags);
/* ptr points to a WAVEFORMATEX struct - before or after streaming ? */
*(LPDWORD)ptr = 0;
break;
default:
FIXME("Unsupported flag=%ld\n", flags);
*(LPDWORD)ptr = 0;
break;
}
return ret;
}
/**************************************************************************
* wodMessage (MSACM.@)
*/
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DWORD WINAPI WAVEMAP_wodMessage(UINT wDevID, UINT wMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
TRACE("(%u, %04X, %08lX, %08lX, %08lX);\n",
wDevID, wMsg, dwUser, dwParam1, dwParam2);
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switch (wMsg) {
case DRVM_INIT:
case DRVM_EXIT:
case DRVM_ENABLE:
case DRVM_DISABLE:
/* FIXME: Pretend this is supported */
return 0;
case WODM_OPEN: return wodOpen ((LPDWORD)dwUser, (LPWAVEOPENDESC)dwParam1,dwParam2);
case WODM_CLOSE: return wodClose ((WAVEMAPDATA*)dwUser);
case WODM_WRITE: return wodWrite ((WAVEMAPDATA*)dwUser, (LPWAVEHDR)dwParam1, dwParam2);
case WODM_PAUSE: return wodPause ((WAVEMAPDATA*)dwUser);
case WODM_GETPOS: return wodGetPosition ((WAVEMAPDATA*)dwUser, (LPMMTIME)dwParam1, dwParam2);
case WODM_BREAKLOOP: return wodBreakLoop ((WAVEMAPDATA*)dwUser);
case WODM_PREPARE: return wodPrepare ((WAVEMAPDATA*)dwUser, (LPWAVEHDR)dwParam1, dwParam2);
case WODM_UNPREPARE: return wodUnprepare ((WAVEMAPDATA*)dwUser, (LPWAVEHDR)dwParam1, dwParam2);
case WODM_GETDEVCAPS: return wodGetDevCaps (wDevID, (WAVEMAPDATA*)dwUser, (LPWAVEOUTCAPSA)dwParam1,dwParam2);
case WODM_GETNUMDEVS: return 1;
case WODM_GETPITCH: return MMSYSERR_NOTSUPPORTED;
case WODM_SETPITCH: return MMSYSERR_NOTSUPPORTED;
case WODM_GETPLAYBACKRATE: return MMSYSERR_NOTSUPPORTED;
case WODM_SETPLAYBACKRATE: return MMSYSERR_NOTSUPPORTED;
case WODM_GETVOLUME: return wodGetVolume (wDevID, (WAVEMAPDATA*)dwUser, (LPDWORD)dwParam1);
case WODM_SETVOLUME: return wodSetVolume (wDevID, (WAVEMAPDATA*)dwUser, dwParam1);
case WODM_RESTART: return wodRestart ((WAVEMAPDATA*)dwUser);
case WODM_RESET: return wodReset ((WAVEMAPDATA*)dwUser);
case WODM_MAPPER_STATUS: return wodMapperStatus ((WAVEMAPDATA*)dwUser, dwParam1, (LPVOID)dwParam2);
default:
FIXME("unknown message %d!\n", wMsg);
}
return MMSYSERR_NOTSUPPORTED;
}
/*======================================================================*
* WAVE IN part *
*======================================================================*/
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static void CALLBACK widCallback(HWAVEIN hWave, UINT uMsg, DWORD dwInstance,
DWORD dwParam1, DWORD dwParam2)
{
WAVEMAPDATA* wim = (WAVEMAPDATA*)dwInstance;
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TRACE("(%p %u %ld %lx %lx);\n", hWave, uMsg, dwInstance, dwParam1, dwParam2);
if (!WAVEMAP_IsData(wim)) {
ERR("Bad data\n");
return;
}
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if (hWave != wim->u.in.hInnerWave && uMsg != WIM_OPEN)
ERR("Shouldn't happen (%p %p)\n", hWave, wim->u.in.hInnerWave);
switch (uMsg) {
case WIM_OPEN:
case WIM_CLOSE:
/* dwParam1 & dwParam2 are supposed to be 0, nothing to do */
break;
case WIM_DATA:
if (wim->hAcmStream) {
LPWAVEHDR lpWaveHdrSrc = (LPWAVEHDR)dwParam1;
PACMSTREAMHEADER ash = (PACMSTREAMHEADER)((LPSTR)lpWaveHdrSrc - sizeof(ACMSTREAMHEADER));
LPWAVEHDR lpWaveHdrDst = (LPWAVEHDR)ash->dwUser;
/* convert data just gotten from waveIn into requested format */
if (acmStreamConvert(wim->hAcmStream, ash, 0L) != MMSYSERR_NOERROR) {
ERR("ACM conversion failed\n");
return;
} else {
TRACE("Converted %ld bytes into %ld\n", ash->cbSrcLengthUsed, ash->cbDstLengthUsed);
}
/* and setup the wavehdr to return accordingly */
lpWaveHdrDst->dwFlags &= ~WHDR_INQUEUE;
lpWaveHdrDst->dwFlags |= WHDR_DONE;
lpWaveHdrDst->dwBytesRecorded = ash->cbDstLengthUsed;
dwParam1 = (DWORD)lpWaveHdrDst;
}
break;
default:
ERR("Unknown msg %u\n", uMsg);
}
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DriverCallback(wim->dwCallback, HIWORD(wim->dwFlags), (HDRVR)wim->u.in.hOuterWave,
uMsg, wim->dwClientInstance, dwParam1, dwParam2);
}
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static DWORD widOpenHelper(WAVEMAPDATA* wim, UINT idx,
LPWAVEOPENDESC lpDesc, LPWAVEFORMATEX lpwfx,
DWORD dwFlags)
{
DWORD ret;
/* source is always PCM, so the formulas below apply */
lpwfx->nBlockAlign = (lpwfx->nChannels * lpwfx->wBitsPerSample) / 8;
lpwfx->nAvgBytesPerSec = lpwfx->nSamplesPerSec * lpwfx->nBlockAlign;
if (dwFlags & WAVE_FORMAT_QUERY) {
ret = acmStreamOpen(NULL, 0, lpwfx, lpDesc->lpFormat, NULL, 0L, 0L, ACM_STREAMOPENF_QUERY);
} else {
ret = acmStreamOpen(&wim->hAcmStream, 0, lpwfx, lpDesc->lpFormat, NULL, 0L, 0L, 0L);
}
if (ret == MMSYSERR_NOERROR) {
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ret = waveInOpen(&wim->u.in.hInnerWave, idx, lpwfx, (DWORD)widCallback,
(DWORD)wim, (dwFlags & ~CALLBACK_TYPEMASK) | CALLBACK_FUNCTION);
if (ret != MMSYSERR_NOERROR && !(dwFlags & WAVE_FORMAT_QUERY)) {
acmStreamClose(wim->hAcmStream, 0);
wim->hAcmStream = 0;
}
}
return ret;
}
static DWORD widOpen(LPDWORD lpdwUser, LPWAVEOPENDESC lpDesc, DWORD dwFlags)
{
UINT ndlo, ndhi;
UINT i;
WAVEMAPDATA* wim = HeapAlloc(GetProcessHeap(), 0, sizeof(WAVEMAPDATA));
TRACE("(%p %p %08lx)\n", lpdwUser, lpDesc, dwFlags);
if (!wim)
return MMSYSERR_NOMEM;
wim->self = wim;
wim->dwCallback = lpDesc->dwCallback;
wim->dwFlags = dwFlags;
wim->dwClientInstance = lpDesc->dwInstance;
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wim->u.in.hOuterWave = (HWAVEIN)lpDesc->hWave;
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ndhi = waveInGetNumDevs();
if (dwFlags & WAVE_MAPPED) {
if (lpDesc->uMappedDeviceID >= ndhi) return MMSYSERR_INVALPARAM;
ndlo = lpDesc->uMappedDeviceID;
ndhi = ndlo + 1;
dwFlags &= ~WAVE_MAPPED;
} else {
ndlo = 0;
}
wim->avgSpeedOuter = wim->avgSpeedInner = lpDesc->lpFormat->nAvgBytesPerSec;
for (i = ndlo; i < ndhi; i++) {
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if (waveInOpen(&wim->u.in.hInnerWave, i, lpDesc->lpFormat, (DWORD)widCallback,
(DWORD)wim, (dwFlags & ~CALLBACK_TYPEMASK) | CALLBACK_FUNCTION | WAVE_FORMAT_DIRECT) == MMSYSERR_NOERROR) {
wim->hAcmStream = 0;
goto found;
}
}
if ((dwFlags & WAVE_FORMAT_DIRECT) == 0)
{
WAVEFORMATEX wfx;
wfx.wFormatTag = WAVE_FORMAT_PCM;
wfx.cbSize = 0; /* normally, this field is not used for PCM format, just in case */
/* try some ACM stuff */
#define TRY(sps,bps) wfx.nSamplesPerSec = (sps); wfx.wBitsPerSample = (bps); \
switch (widOpenHelper(wim, i, lpDesc, &wfx, dwFlags | WAVE_FORMAT_DIRECT)) { \
case MMSYSERR_NOERROR: wim->avgSpeedInner = wfx.nAvgBytesPerSec; goto found; \
case WAVERR_BADFORMAT: break; \
default: goto error; \
}
for (i = ndlo; i < ndhi; i++) {
wfx.nSamplesPerSec=lpDesc->lpFormat->nSamplesPerSec;
/* first try with same stereo/mono option as source */
wfx.nChannels = lpDesc->lpFormat->nChannels;
TRY(wfx.nSamplesPerSec, 16);
TRY(wfx.nSamplesPerSec, 8);
wfx.nChannels ^= 3;
TRY(wfx.nSamplesPerSec, 16);
TRY(wfx.nSamplesPerSec, 8);
}
for (i = ndlo; i < ndhi; i++) {
wfx.nSamplesPerSec=lpDesc->lpFormat->nSamplesPerSec;
/* first try with same stereo/mono option as source */
wfx.nChannels = lpDesc->lpFormat->nChannels;
TRY(96000, 16);
TRY(48000, 16);
TRY(44100, 16);
TRY(22050, 16);
TRY(11025, 16);
/* 2^3 => 1, 1^3 => 2, so if stereo, try mono (and the other way around) */
wfx.nChannels ^= 3;
TRY(96000, 16);
TRY(48000, 16);
TRY(44100, 16);
TRY(22050, 16);
TRY(11025, 16);
/* first try with same stereo/mono option as source */
wfx.nChannels = lpDesc->lpFormat->nChannels;
TRY(96000, 8);
TRY(48000, 8);
TRY(44100, 8);
TRY(22050, 8);
TRY(11025, 8);
/* 2^3 => 1, 1^3 => 2, so if stereo, try mono (and the other way around) */
wfx.nChannels ^= 3;
TRY(96000, 8);
TRY(48000, 8);
TRY(44100, 8);
TRY(22050, 8);
TRY(11025, 8);
}
#undef TRY
}
HeapFree(GetProcessHeap(), 0, wim);
return WAVERR_BADFORMAT;
found:
if (dwFlags & WAVE_FORMAT_QUERY) {
*lpdwUser = 0L;
HeapFree(GetProcessHeap(), 0, wim);
} else {
*lpdwUser = (DWORD)wim;
}
TRACE("Ok (stream=%08lx)\n", (DWORD)wim->hAcmStream);
return MMSYSERR_NOERROR;
error:
HeapFree(GetProcessHeap(), 0, wim);
return MMSYSERR_ERROR;
}
static DWORD widClose(WAVEMAPDATA* wim)
{
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DWORD ret = waveInClose(wim->u.in.hInnerWave);
if (ret == MMSYSERR_NOERROR) {
if (wim->hAcmStream) {
ret = acmStreamClose(wim->hAcmStream, 0);
}
if (ret == MMSYSERR_NOERROR) {
HeapFree(GetProcessHeap(), 0, wim);
}
}
return ret;
}
static DWORD widAddBuffer(WAVEMAPDATA* wim, LPWAVEHDR lpWaveHdrDst, DWORD dwParam2)
{
PACMSTREAMHEADER ash;
LPWAVEHDR lpWaveHdrSrc;
if (!wim->hAcmStream) {
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return waveInAddBuffer(wim->u.in.hInnerWave, lpWaveHdrDst, dwParam2);
}
lpWaveHdrDst->dwFlags |= WHDR_INQUEUE;
ash = (PACMSTREAMHEADER)lpWaveHdrDst->reserved;
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lpWaveHdrSrc = (LPWAVEHDR)((LPSTR)ash + sizeof(ACMSTREAMHEADER));
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return waveInAddBuffer(wim->u.in.hInnerWave, lpWaveHdrSrc, sizeof(*lpWaveHdrSrc));
}
static DWORD widPrepare(WAVEMAPDATA* wim, LPWAVEHDR lpWaveHdrDst, DWORD dwParam2)
{
PACMSTREAMHEADER ash;
DWORD size;
DWORD dwRet;
LPWAVEHDR lpWaveHdrSrc;
if (!wim->hAcmStream) {
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return waveInPrepareHeader(wim->u.in.hInnerWave, lpWaveHdrDst, dwParam2);
}
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if (acmStreamSize(wim->hAcmStream, lpWaveHdrDst->dwBufferLength, &size,
ACM_STREAMSIZEF_DESTINATION) != MMSYSERR_NOERROR)
return MMSYSERR_ERROR;
ash = HeapAlloc(GetProcessHeap(), 0, sizeof(ACMSTREAMHEADER) + sizeof(WAVEHDR) + size);
if (ash == NULL)
return MMSYSERR_NOMEM;
ash->cbStruct = sizeof(*ash);
ash->fdwStatus = 0L;
ash->dwUser = (DWORD)lpWaveHdrDst;
ash->pbSrc = (LPSTR)ash + sizeof(ACMSTREAMHEADER) + sizeof(WAVEHDR);
ash->cbSrcLength = size;
/* ash->cbSrcLengthUsed */
ash->dwSrcUser = 0L; /* FIXME ? */
ash->pbDst = lpWaveHdrDst->lpData;
ash->cbDstLength = lpWaveHdrDst->dwBufferLength;
/* ash->cbDstLengthUsed */
ash->dwDstUser = lpWaveHdrDst->dwUser; /* FIXME ? */
dwRet = acmStreamPrepareHeader(wim->hAcmStream, ash, 0L);
if (dwRet != MMSYSERR_NOERROR)
goto errCleanUp;
lpWaveHdrSrc = (LPWAVEHDR)((LPSTR)ash + sizeof(ACMSTREAMHEADER));
lpWaveHdrSrc->lpData = ash->pbSrc;
lpWaveHdrSrc->dwBufferLength = size; /* conversion is not done yet */
lpWaveHdrSrc->dwFlags = 0;
lpWaveHdrSrc->dwLoops = 0;
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dwRet = waveInPrepareHeader(wim->u.in.hInnerWave, lpWaveHdrSrc, sizeof(*lpWaveHdrSrc));
if (dwRet != MMSYSERR_NOERROR)
goto errCleanUp;
lpWaveHdrDst->reserved = (DWORD)ash;
lpWaveHdrDst->dwFlags = WHDR_PREPARED;
TRACE("=> (0)\n");
return MMSYSERR_NOERROR;
errCleanUp:
TRACE("=> (%ld)\n", dwRet);
HeapFree(GetProcessHeap(), 0, ash);
return dwRet;
}
static DWORD widUnprepare(WAVEMAPDATA* wim, LPWAVEHDR lpWaveHdrDst, DWORD dwParam2)
{
PACMSTREAMHEADER ash;
LPWAVEHDR lpWaveHdrSrc;
DWORD dwRet1, dwRet2;
if (!wim->hAcmStream) {
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return waveInUnprepareHeader(wim->u.in.hInnerWave, lpWaveHdrDst, dwParam2);
}
ash = (PACMSTREAMHEADER)lpWaveHdrDst->reserved;
dwRet1 = acmStreamUnprepareHeader(wim->hAcmStream, ash, 0L);
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lpWaveHdrSrc = (LPWAVEHDR)((LPSTR)ash + sizeof(ACMSTREAMHEADER));
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dwRet2 = waveInUnprepareHeader(wim->u.in.hInnerWave, lpWaveHdrSrc, sizeof(*lpWaveHdrSrc));
HeapFree(GetProcessHeap(), 0, ash);
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lpWaveHdrDst->dwFlags &= ~WHDR_PREPARED;
return (dwRet1 == MMSYSERR_NOERROR) ? dwRet2 : dwRet1;
}
static DWORD widGetPosition(WAVEMAPDATA* wim, LPMMTIME lpTime, DWORD dwParam2)
{
DWORD val = waveInGetPosition(wim->u.in.hInnerWave, lpTime, dwParam2);
if (lpTime->wType == TIME_BYTES)
lpTime->u.cb = MulDiv(lpTime->u.cb, wim->avgSpeedOuter, wim->avgSpeedInner);
/* other time types don't require conversion */
return val;
}
static DWORD widGetDevCaps(UINT wDevID, WAVEMAPDATA* wim, LPWAVEINCAPSA lpWaveCaps, DWORD dwParam2)
{
/* if opened low driver, forward message */
if (WAVEMAP_IsData(wim))
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return waveInGetDevCapsA((UINT)wim->u.in.hInnerWave, 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");
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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 |
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WAVE_FORMAT_1M08 | WAVE_FORMAT_1S08 | WAVE_FORMAT_1M16 | WAVE_FORMAT_1S16;
lpWaveCaps->wChannels = 2;
return MMSYSERR_NOERROR;
}
ERR("This shouldn't happen\n");
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return MMSYSERR_ERROR;
}
static DWORD widStop(WAVEMAPDATA* wim)
{
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return waveInStop(wim->u.in.hInnerWave);
}
static DWORD widStart(WAVEMAPDATA* wim)
{
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return waveInStart(wim->u.in.hInnerWave);
}
static DWORD widReset(WAVEMAPDATA* wim)
{
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return waveInReset(wim->u.in.hInnerWave);
}
static DWORD widMapperStatus(WAVEMAPDATA* wim, DWORD flags, LPVOID ptr)
{
UINT id;
DWORD ret = MMSYSERR_NOTSUPPORTED;
switch (flags) {
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case WAVEIN_MAPPER_STATUS_DEVICE:
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ret = waveInGetID(wim->u.in.hInnerWave, &id);
*(LPDWORD)ptr = id;
break;
case WAVEIN_MAPPER_STATUS_MAPPED:
FIXME("Unsupported yet flag=%ld\n", flags);
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*(LPDWORD)ptr = 0; /* FIXME ?? */
break;
case WAVEIN_MAPPER_STATUS_FORMAT:
FIXME("Unsupported flag=%ld\n", flags);
/* ptr points to a WAVEFORMATEX struct - before or after streaming ? */
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*(LPDWORD)ptr = 0; /* FIXME ?? */
break;
default:
FIXME("Unsupported flag=%ld\n", flags);
*(LPDWORD)ptr = 0;
break;
}
return ret;
}
/**************************************************************************
* widMessage (MSACM.@)
*/
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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);
case WIDM_MAPPER_STATUS: return widMapperStatus ((WAVEMAPDATA*)dwUser, dwParam1, (LPVOID)dwParam2);
default:
FIXME("unknown message %u!\n", wMsg);
}
return MMSYSERR_NOTSUPPORTED;
}
/*======================================================================*
* Driver part *
*======================================================================*/
static struct WINE_WAVEMAP* oss = NULL;
/**************************************************************************
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* WAVEMAP_drvOpen [internal]
*/
static DWORD WAVEMAP_drvOpen(LPSTR str)
{
if (oss)
return 0;
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/* I know, this is ugly, but who cares... */
oss = (struct WINE_WAVEMAP*)1;
return 1;
}
/**************************************************************************
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* WAVEMAP_drvClose [internal]
*/
static DWORD WAVEMAP_drvClose(DWORD dwDevID)
{
if (oss) {
oss = NULL;
return 1;
}
return 0;
}
/**************************************************************************
* DriverProc (MSACM.@)
*/
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LONG CALLBACK WAVEMAP_DriverProc(DWORD dwDevID, HDRVR hDriv, DWORD wMsg,
DWORD dwParam1, DWORD dwParam2)
{
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TRACE("(%08lX, %p, %08lX, %08lX, %08lX)\n",
dwDevID, hDriv, wMsg, dwParam1, dwParam2);
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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;
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case DRV_CONFIGURE: MessageBoxA(0, "WAVEMAP MultiMedia Driver !", "Wave mapper 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);
}
}