[IMAADP32.ACM]
authorAmine Khaldi <amine.khaldi@reactos.org>
Thu, 2 Oct 2014 08:11:02 +0000 (08:11 +0000)
committerAmine Khaldi <amine.khaldi@reactos.org>
Thu, 2 Oct 2014 08:11:02 +0000 (08:11 +0000)
* Delete this duplicate.

svn path=/trunk/; revision=64451

reactos/dll/win32/msacm32/imaadp32/Makefile.in [deleted file]
reactos/dll/win32/msacm32/imaadp32/imaadp32.acm.spec [deleted file]
reactos/dll/win32/msacm32/imaadp32/imaadp32.c [deleted file]

diff --git a/reactos/dll/win32/msacm32/imaadp32/Makefile.in b/reactos/dll/win32/msacm32/imaadp32/Makefile.in
deleted file mode 100644 (file)
index 79cc94e..0000000
+++ /dev/null
@@ -1,12 +0,0 @@
-TOPSRCDIR = @top_srcdir@
-TOPOBJDIR = ../../..
-SRCDIR    = @srcdir@
-VPATH     = @srcdir@
-MODULE    = imaadp32.acm
-IMPORTS   = winmm user32 kernel32
-
-C_SRCS = imaadp32.c
-
-@MAKE_DLL_RULES@
-
-### Dependencies:
diff --git a/reactos/dll/win32/msacm32/imaadp32/imaadp32.acm.spec b/reactos/dll/win32/msacm32/imaadp32/imaadp32.acm.spec
deleted file mode 100644 (file)
index a0ba1c7..0000000
+++ /dev/null
@@ -1 +0,0 @@
-@ stdcall DriverProc (long long long long long) ADPCM_DriverProc
diff --git a/reactos/dll/win32/msacm32/imaadp32/imaadp32.c b/reactos/dll/win32/msacm32/imaadp32/imaadp32.c
deleted file mode 100644 (file)
index 573d583..0000000
+++ /dev/null
@@ -1,938 +0,0 @@
-/*
- * IMA ADPCM handling
- *
- *      Copyright (C) 2001,2002                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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include <assert.h>
-#include <stdarg.h>
-#include <string.h>
-#include "windef.h"
-#include "winbase.h"
-#include "wingdi.h"
-#include "winuser.h"
-#include "winnls.h"
-#include "mmsystem.h"
-#include "mmreg.h"
-#include "msacm.h"
-#include "msacmdrv.h"
-#include "wine/debug.h"
-
-/* see http://www.pcisys.net/~melanson/codecs/adpcm.txt for the details */
-
-WINE_DEFAULT_DEBUG_CHANNEL(adpcm);
-
-/***********************************************************************
- *           ADPCM_drvOpen
- */
-static DWORD   ADPCM_drvOpen(LPCSTR str)
-{
-    return 1;
-}
-
-/***********************************************************************
- *           ADPCM_drvClose
- */
-static DWORD   ADPCM_drvClose(DWORD dwDevID)
-{
-    return 1;
-}
-
-typedef struct tagAcmAdpcmData
-{
-    void (*convert)(PACMDRVSTREAMINSTANCE adsi,
-                   const unsigned char*, LPDWORD, unsigned char*, LPDWORD);
-    /* IMA encoding only */
-    BYTE       stepIndexL;
-    BYTE       stepIndexR;
-    /* short   sample; */
-} AcmAdpcmData;
-
-/* table to list all supported formats... those are the basic ones. this
- * also helps given a unique index to each of the supported formats
- */
-typedef        struct
-{
-    int                nChannels;
-    int                nBits;
-    int                rate;
-} Format;
-
-static Format PCM_Formats[] =
-{
-    {1,  8,  8000}, {2,  8,  8000}, {1, 16,  8000}, {2, 16,  8000},
-    {1,  8, 11025}, {2,  8, 11025}, {1, 16, 11025}, {2, 16, 11025},
-    {1,  8, 22050}, {2,  8, 22050}, {1, 16, 22050}, {2, 16, 22050},
-    {1,  8, 44100}, {2,  8, 44100}, {1, 16, 44100}, {2, 16, 44100},
-};
-
-static Format ADPCM_Formats[] =
-{
-    {1,  4,  8000}, {2,        4,  8000},  {1,  4, 11025}, {2,  4, 11025},
-    {1,  4, 22050}, {2,        4, 22050},  {1,  4, 44100}, {2,  4, 44100},
-};
-
-#define        NUM_PCM_FORMATS         (sizeof(PCM_Formats) / sizeof(PCM_Formats[0]))
-#define        NUM_ADPCM_FORMATS       (sizeof(ADPCM_Formats) / sizeof(ADPCM_Formats[0]))
-
-/***********************************************************************
- *           ADPCM_GetFormatIndex
- */
-static DWORD   ADPCM_GetFormatIndex(LPWAVEFORMATEX wfx)
-{
-    int        i, hi;
-    Format*    fmts;
-
-    switch (wfx->wFormatTag)
-    {
-    case WAVE_FORMAT_PCM:
-       hi = NUM_PCM_FORMATS;
-       fmts = PCM_Formats;
-       break;
-    case WAVE_FORMAT_IMA_ADPCM:
-       hi = NUM_ADPCM_FORMATS;
-       fmts = ADPCM_Formats;
-       break;
-    default:
-       return 0xFFFFFFFF;
-    }
-
-    for (i = 0; i < hi; i++)
-    {
-       if (wfx->nChannels == fmts[i].nChannels &&
-           wfx->nSamplesPerSec == fmts[i].rate &&
-           wfx->wBitsPerSample == fmts[i].nBits)
-           return i;
-    }
-
-    return 0xFFFFFFFF;
-}
-
-/***********************************************************************
- *           R16
- *
- * Read a 16 bit sample (correctly handles endianess)
- */
-static inline short  R16(const unsigned char* src)
-{
-    return (short)((unsigned short)src[0] | ((unsigned short)src[1] << 8));
-}
-
-/***********************************************************************
- *           W16
- *
- * Write a 16 bit sample (correctly handles endianess)
- */
-static inline void  W16(unsigned char* dst, short s)
-{
-    dst[0] = LOBYTE(s);
-    dst[1] = HIBYTE(s);
-}
-
-/* IMA (or DVI) APDCM codec routines */
-
-static const unsigned IMA_StepTable[89] =
-{
-    7, 8, 9, 10, 11, 12, 13, 14,
-    16, 17, 19, 21, 23, 25, 28, 31,
-    34, 37, 41, 45, 50, 55, 60, 66,
-    73, 80, 88, 97, 107, 118, 130, 143,
-    157, 173, 190, 209, 230, 253, 279, 307,
-    337, 371, 408, 449, 494, 544, 598, 658,
-    724, 796, 876, 963, 1060, 1166, 1282, 1411,
-    1552, 1707, 1878, 2066, 2272, 2499, 2749, 3024,
-    3327, 3660, 4026, 4428, 4871, 5358, 5894, 6484,
-    7132, 7845, 8630, 9493, 10442, 11487, 12635, 13899,
-    15289, 16818, 18500, 20350, 22385, 24623, 27086, 29794,
-    32767
-};
-
-static const int IMA_IndexTable[16] =
-{
-    -1, -1, -1, -1, 2, 4, 6, 8,
-    -1, -1, -1, -1, 2, 4, 6, 8
-};
-
-static inline void clamp_step_index(int* stepIndex)
-{
-    if (*stepIndex < 0 ) *stepIndex = 0;
-    if (*stepIndex > 88) *stepIndex = 88;
-}
-
-static inline void clamp_sample(int* sample)
-{
-    if (*sample < -32768) *sample = -32768;
-    if (*sample >  32767) *sample =  32767;
-}
-
-static inline void process_nibble(unsigned char code, int* stepIndex, int* sample)
-{
-    unsigned step;
-    int diff;
-
-    code &= 0x0F;
-
-    step = IMA_StepTable[*stepIndex];
-    diff = step >> 3;
-    if (code & 1) diff += step >> 2;
-    if (code & 2) diff += step >> 1;
-    if (code & 4) diff += step;
-    if (code & 8)      *sample -= diff;
-    else               *sample += diff;
-    clamp_sample(sample);
-    *stepIndex += IMA_IndexTable[code];
-    clamp_step_index(stepIndex);
-}
-
-static inline unsigned char generate_nibble(int in, int* stepIndex, int* sample)
-{
-    int effdiff, diff = in - *sample;
-    unsigned step;
-    unsigned char code;
-
-    if (diff < 0)
-    {
-        diff = -diff;
-        code = 8;
-    }
-    else
-    {
-        code = 0;
-    }
-
-    step = IMA_StepTable[*stepIndex];
-    effdiff = (step >> 3);
-    if (diff >= step)
-    {
-        code |= 4;
-        diff -= step;
-        effdiff += step;
-    }
-    step >>= 1;
-    if (diff >= step)
-    {
-        code |= 2;
-        diff -= step;
-        effdiff += step;
-    }
-    step >>= 1;
-    if (diff >= step)
-    {
-        code |= 1;
-        effdiff += step;
-    }
-    if (code & 8)       *sample -= effdiff;
-    else                *sample += effdiff;
-    clamp_sample(sample);
-    *stepIndex += IMA_IndexTable[code];
-    clamp_step_index(stepIndex);
-    return code;
-}
-
-static void cvtSSima16K(PACMDRVSTREAMINSTANCE adsi,
-                         const unsigned char* src, LPDWORD nsrc,
-                         unsigned char* dst, LPDWORD ndst)
-{
-    int         i;
-    int         sampleL, sampleR;
-    int                stepIndexL, stepIndexR;
-    int                nsamp_blk = ((LPIMAADPCMWAVEFORMAT)adsi->pwfxSrc)->wSamplesPerBlock;
-    int                nsamp;
-    /* compute the number of entire blocks we can decode...
-     * it's the min of the number of entire blocks in source buffer and the number
-     * of entire blocks in destination buffer
-     */
-    DWORD      nblock = min(*nsrc / adsi->pwfxSrc->nBlockAlign,
-                             *ndst / (nsamp_blk * 2 * 2));
-
-    *nsrc = nblock * adsi->pwfxSrc->nBlockAlign;
-    *ndst = nblock * (nsamp_blk * 2 * 2);
-
-    nsamp_blk--; /* remove the sample in block header */
-    for (; nblock > 0; nblock--)
-    {
-        const unsigned char* in_src = src;
-
-       /* handle headers first */
-       sampleL = R16(src);
-       stepIndexL = (unsigned)*(src + 2);
-        clamp_step_index(&stepIndexL);
-       src += 4;
-       W16(dst, sampleL);      dst += 2;
-
-       sampleR = R16(src);
-       stepIndexR = (unsigned)*(src + 2);
-        clamp_step_index(&stepIndexR);
-       src += 4;
-       W16(dst, sampleR);      dst += 2;
-
-       for (nsamp = nsamp_blk; nsamp > 0; nsamp -= 8)
-        {
-            for (i = 0; i < 4; i++)
-            {
-                process_nibble(*src, &stepIndexL, &sampleL);
-                W16(dst + (2 * i + 0) * 4 + 0, sampleL);
-                process_nibble(*src++ >> 4, &stepIndexL, &sampleL);
-                W16(dst + (2 * i + 1) * 4 + 0, sampleL);
-            }
-            for (i = 0; i < 4; i++)
-            {
-                process_nibble(*src , &stepIndexR, &sampleR);
-                W16(dst + (2 * i + 0) * 4 + 2, sampleR);
-                process_nibble(*src++ >>4, &stepIndexR, &sampleR);
-                W16(dst + (2 * i + 1) * 4 + 2, sampleR);
-            }
-            dst += 32;
-        }
-        /* we have now to realign the source pointer on block */
-        src = in_src + adsi->pwfxSrc->nBlockAlign;
-    }
-}
-
-static void cvtMMima16K(PACMDRVSTREAMINSTANCE adsi,
-                         const unsigned char* src, LPDWORD nsrc,
-                         unsigned char* dst, LPDWORD ndst)
-{
-    int                sample;
-    int                stepIndex;
-    int                nsamp_blk = ((LPIMAADPCMWAVEFORMAT)adsi->pwfxSrc)->wSamplesPerBlock;
-    int                nsamp;
-    /* compute the number of entire blocks we can decode...
-     * it's the min of the number of entire blocks in source buffer and the number
-     * of entire blocks in destination buffer
-     */
-    DWORD      nblock = min(*nsrc / adsi->pwfxSrc->nBlockAlign,
-                             *ndst / (nsamp_blk * 2));
-
-    *nsrc = nblock * adsi->pwfxSrc->nBlockAlign;
-    *ndst = nblock * nsamp_blk * 2;
-
-    nsamp_blk--; /* remove the sample in block header */
-    for (; nblock > 0; nblock--)
-    {
-        const unsigned char*    in_src = src;
-
-       /* handle header first */
-       sample = R16(src);
-       stepIndex = (unsigned)*(src + 2);
-        clamp_step_index(&stepIndex);
-       src += 4;
-       W16(dst, sample);       dst += 2;
-
-       for (nsamp = nsamp_blk; nsamp > 0; nsamp -= 2)
-        {
-            process_nibble(*src, &stepIndex, &sample);
-           W16(dst, sample); dst += 2;
-            process_nibble(*src++ >> 4, &stepIndex, &sample);
-           W16(dst, sample); dst += 2;
-       }
-        /* we have now to realign the source pointer on block */
-        src = in_src + adsi->pwfxSrc->nBlockAlign;
-    }
-}
-
-static void cvtSS16imaK(PACMDRVSTREAMINSTANCE adsi,
-                         const unsigned char* src, LPDWORD nsrc,
-                         unsigned char* dst, LPDWORD ndst)
-{
-    int                stepIndexL, stepIndexR;
-    int                sampleL, sampleR;
-    BYTE       code1, code2;
-    int                nsamp_blk = ((LPIMAADPCMWAVEFORMAT)adsi->pwfxDst)->wSamplesPerBlock;
-    int                i, nsamp;
-    /* compute the number of entire blocks we can decode...
-     * it's the min of the number of entire blocks in source buffer and the number
-     * of entire blocks in destination buffer
-     */
-    DWORD      nblock = min(*nsrc / (nsamp_blk * 2 * 2),
-                             *ndst / adsi->pwfxDst->nBlockAlign);
-
-    *nsrc = nblock * (nsamp_blk * 2 * 2);
-    *ndst = nblock * adsi->pwfxDst->nBlockAlign;
-
-    stepIndexL = ((AcmAdpcmData*)adsi->dwDriver)->stepIndexL;
-    stepIndexR = ((AcmAdpcmData*)adsi->dwDriver)->stepIndexR;
-
-    nsamp_blk--; /* so that we won't count the sample in header while filling the block */
-
-    for (; nblock > 0; nblock--)
-    {
-        char*   in_dst = dst;
-
-        /* generate header */
-       sampleL = R16(src);  src += 2;
-       W16(dst, sampleL); dst += 2;
-       *dst = (unsigned char)(unsigned)stepIndexL;
-       dst += 2;
-
-       sampleR = R16(src); src += 2;
-       W16(dst, sampleR); dst += 2;
-       *dst = (unsigned char)(unsigned)stepIndexR;
-       dst += 2;
-
-       for (nsamp = nsamp_blk; nsamp > 0; nsamp -= 8)
-        {
-            for (i = 0; i < 4; i++)
-            {
-                code1 = generate_nibble(R16(src + (2 * i + 0) * 2 + 0),
-                                        &stepIndexL, &sampleL);
-                code2 = generate_nibble(R16(src + (2 * i + 1) * 2 + 0),
-                                        &stepIndexL, &sampleL);
-                *dst++ = (code1 << 4) | code2;
-            }
-            for (i = 0; i < 4; i++)
-            {
-                code1 = generate_nibble(R16(src + (2 * i + 0) * 2 + 1),
-                                        &stepIndexR, &sampleR);
-                code2 = generate_nibble(R16(src + (2 * i + 1) * 2 + 1),
-                                        &stepIndexR, &sampleR);
-                *dst++ = (code1 << 4) | code2;
-            }
-            src += 32;
-       }
-       dst = in_dst + adsi->pwfxDst->nBlockAlign;
-    }
-    ((AcmAdpcmData*)adsi->dwDriver)->stepIndexL = stepIndexL;
-    ((AcmAdpcmData*)adsi->dwDriver)->stepIndexR = stepIndexR;
-}
-
-static void cvtMM16imaK(PACMDRVSTREAMINSTANCE adsi,
-                         const unsigned char* src, LPDWORD nsrc,
-                         unsigned char* dst, LPDWORD ndst)
-{
-    int                stepIndex;
-    int                sample;
-    BYTE       code1, code2;
-    int                nsamp_blk = ((LPIMAADPCMWAVEFORMAT)adsi->pwfxDst)->wSamplesPerBlock;
-    int                nsamp;
-    /* compute the number of entire blocks we can decode...
-     * it's the min of the number of entire blocks in source buffer and the number
-     * of entire blocks in destination buffer
-     */
-    DWORD      nblock = min(*nsrc / (nsamp_blk * 2),
-                             *ndst / adsi->pwfxDst->nBlockAlign);
-
-    *nsrc = nblock * (nsamp_blk * 2);
-    *ndst = nblock * adsi->pwfxDst->nBlockAlign;
-
-    stepIndex = ((AcmAdpcmData*)adsi->dwDriver)->stepIndexL;
-    nsamp_blk--; /* so that we won't count the sample in header while filling the block */
-
-    for (; nblock > 0; nblock--)
-    {
-        char*   in_dst = dst;
-
-        /* generate header */
-        /* FIXME: what about the last effective sample from previous block ??? */
-        /* perhaps something like:
-         *      sample += R16(src);
-         *      clamp_sample(sample);
-         * and with :
-         *      + saving the sample in adsi->dwDriver when all blocks are done
-         +      + reset should set the field in adsi->dwDriver to 0 too
-         */
-       sample = R16(src); src += 2;
-       W16(dst, sample); dst += 2;
-       *dst = (unsigned char)(unsigned)stepIndex;
-       dst += 2;
-
-       for (nsamp = nsamp_blk; nsamp > 0; nsamp -= 2)
-        {
-            code1 = generate_nibble(R16(src), &stepIndex, &sample);
-            src += 2;
-            code2 = generate_nibble(R16(src), &stepIndex, &sample);
-            src += 2;
-            *dst++ = (code1 << 4) | code2;
-       }
-       dst = in_dst + adsi->pwfxDst->nBlockAlign;
-    }
-    ((AcmAdpcmData*)adsi->dwDriver)->stepIndexL = stepIndex;
-}
-
-/***********************************************************************
- *           ADPCM_DriverDetails
- *
- */
-static LRESULT ADPCM_DriverDetails(PACMDRIVERDETAILSW add)
-{
-    add->fccType = ACMDRIVERDETAILS_FCCTYPE_AUDIOCODEC;
-    add->fccComp = ACMDRIVERDETAILS_FCCCOMP_UNDEFINED;
-    add->wMid = 0xFF;
-    add->wPid = 0x00;
-    add->vdwACM = 0x01000000;
-    add->vdwDriver = 0x01000000;
-    add->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
-    add->cFormatTags = 2; /* PCM, IMA ADPCM */
-    add->cFilterTags = 0;
-    add->hicon = NULL;
-    MultiByteToWideChar( CP_ACP, 0, "WINE-ADPCM", -1,
-                         add->szShortName, sizeof(add->szShortName)/sizeof(WCHAR) );
-    MultiByteToWideChar( CP_ACP, 0, "Wine IMA ADPCM converter", -1,
-                         add->szLongName, sizeof(add->szLongName)/sizeof(WCHAR) );
-    MultiByteToWideChar( CP_ACP, 0, "Brought to you by the Wine team...", -1,
-                         add->szCopyright, sizeof(add->szCopyright)/sizeof(WCHAR) );
-    MultiByteToWideChar( CP_ACP, 0, "Refer to LICENSE file", -1,
-                         add->szLicensing, sizeof(add->szLicensing)/sizeof(WCHAR) );
-    add->szFeatures[0] = 0;
-
-    return MMSYSERR_NOERROR;
-}
-
-/***********************************************************************
- *           ADPCM_FormatTagDetails
- *
- */
-static LRESULT ADPCM_FormatTagDetails(PACMFORMATTAGDETAILSW aftd, DWORD dwQuery)
-{
-    static WCHAR szPcm[]={'P','C','M',0};
-    static WCHAR szImaAdPcm[]={'I','M','A',' ','A','d','P','C','M',0};
-
-    switch (dwQuery)
-    {
-    case ACM_FORMATTAGDETAILSF_INDEX:
-       if (aftd->dwFormatTagIndex >= 2) return ACMERR_NOTPOSSIBLE;
-       break;
-    case ACM_FORMATTAGDETAILSF_LARGESTSIZE:
-       if (aftd->dwFormatTag == WAVE_FORMAT_UNKNOWN)
-        {
-            aftd->dwFormatTagIndex = 1; /* WAVE_FORMAT_IMA_ADPCM is bigger than PCM */
-           break;
-       }
-       /* fall thru */
-    case ACM_FORMATTAGDETAILSF_FORMATTAG:
-       switch (aftd->dwFormatTag)
-        {
-       case WAVE_FORMAT_PCM:           aftd->dwFormatTagIndex = 0; break;
-       case WAVE_FORMAT_IMA_ADPCM:     aftd->dwFormatTagIndex = 1; break;
-       default:                        return ACMERR_NOTPOSSIBLE;
-       }
-       break;
-    default:
-       WARN("Unsupported query %08lx\n", dwQuery);
-       return MMSYSERR_NOTSUPPORTED;
-    }
-
-    aftd->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
-    switch (aftd->dwFormatTagIndex)
-    {
-    case 0:
-       aftd->dwFormatTag = WAVE_FORMAT_PCM;
-       aftd->cbFormatSize = sizeof(PCMWAVEFORMAT);
-       aftd->cStandardFormats = NUM_PCM_FORMATS;
-        lstrcpyW(aftd->szFormatTag, szPcm);
-        break;
-    case 1:
-       aftd->dwFormatTag = WAVE_FORMAT_IMA_ADPCM;
-       aftd->cbFormatSize = sizeof(IMAADPCMWAVEFORMAT);
-       aftd->cStandardFormats = NUM_ADPCM_FORMATS;
-        lstrcpyW(aftd->szFormatTag, szImaAdPcm);
-       break;
-    }
-    return MMSYSERR_NOERROR;
-}
-
-/***********************************************************************
- *           ADPCM_FormatDetails
- *
- */
-static LRESULT ADPCM_FormatDetails(PACMFORMATDETAILSW afd, DWORD dwQuery)
-{
-    switch (dwQuery)
-    {
-    case ACM_FORMATDETAILSF_FORMAT:
-       if (ADPCM_GetFormatIndex(afd->pwfx) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
-       break;
-    case ACM_FORMATDETAILSF_INDEX:
-       afd->pwfx->wFormatTag = afd->dwFormatTag;
-       switch (afd->dwFormatTag)
-        {
-       case WAVE_FORMAT_PCM:
-           if (afd->dwFormatIndex >= NUM_PCM_FORMATS) return ACMERR_NOTPOSSIBLE;
-           afd->pwfx->nChannels = PCM_Formats[afd->dwFormatIndex].nChannels;
-           afd->pwfx->nSamplesPerSec = PCM_Formats[afd->dwFormatIndex].rate;
-           afd->pwfx->wBitsPerSample = PCM_Formats[afd->dwFormatIndex].nBits;
-           /* native MSACM uses a PCMWAVEFORMAT structure, so cbSize is not accessible
-            * afd->pwfx->cbSize = 0;
-            */
-           afd->pwfx->nBlockAlign =
-               (afd->pwfx->nChannels * afd->pwfx->wBitsPerSample) / 8;
-           afd->pwfx->nAvgBytesPerSec =
-               afd->pwfx->nSamplesPerSec * afd->pwfx->nBlockAlign;
-           break;
-       case WAVE_FORMAT_IMA_ADPCM:
-           if (afd->dwFormatIndex >= NUM_ADPCM_FORMATS) return ACMERR_NOTPOSSIBLE;
-           afd->pwfx->nChannels = ADPCM_Formats[afd->dwFormatIndex].nChannels;
-           afd->pwfx->nSamplesPerSec = ADPCM_Formats[afd->dwFormatIndex].rate;
-           afd->pwfx->wBitsPerSample = ADPCM_Formats[afd->dwFormatIndex].nBits;
-           afd->pwfx->nBlockAlign = 1024;
-           /* we got 4 bits per sample */
-           afd->pwfx->nAvgBytesPerSec =
-               (afd->pwfx->nSamplesPerSec * 4) / 8;
-            if (afd->cbwfx >= sizeof(WAVEFORMATEX))
-                afd->pwfx->cbSize = sizeof(WORD);
-            if (afd->cbwfx >= sizeof(IMAADPCMWAVEFORMAT))
-                ((IMAADPCMWAVEFORMAT*)afd->pwfx)->wSamplesPerBlock = (1024 - 4 * afd->pwfx->nChannels) * (2 / afd->pwfx->nChannels) + 1;
-           break;
-       default:
-           WARN("Unsupported tag %08lx\n", afd->dwFormatTag);
-           return MMSYSERR_INVALPARAM;
-       }
-       break;
-    default:
-       WARN("Unsupported query %08lx\n", dwQuery);
-       return MMSYSERR_NOTSUPPORTED;
-    }
-    afd->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
-    afd->szFormat[0] = 0; /* let MSACM format this for us... */
-
-    return MMSYSERR_NOERROR;
-}
-
-/***********************************************************************
- *           ADPCM_FormatSuggest
- *
- */
-static LRESULT ADPCM_FormatSuggest(PACMDRVFORMATSUGGEST adfs)
-{
-    /* some tests ... */
-    if (adfs->cbwfxSrc < sizeof(PCMWAVEFORMAT) ||
-       adfs->cbwfxDst < sizeof(PCMWAVEFORMAT) ||
-       ADPCM_GetFormatIndex(adfs->pwfxSrc) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
-    /* FIXME: should do those tests against the real size (according to format tag */
-
-    /* If no suggestion for destination, then copy source value */
-    if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_NCHANNELS))
-       adfs->pwfxDst->nChannels = adfs->pwfxSrc->nChannels;
-    if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_NSAMPLESPERSEC))
-        adfs->pwfxDst->nSamplesPerSec = adfs->pwfxSrc->nSamplesPerSec;
-
-    if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_WBITSPERSAMPLE))
-    {
-       if (adfs->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM)
-            adfs->pwfxDst->wBitsPerSample = 4;
-        else
-            adfs->pwfxDst->wBitsPerSample = 16;
-    }
-    if (!(adfs->fdwSuggest & ACM_FORMATSUGGESTF_WFORMATTAG))
-    {
-       if (adfs->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM)
-            adfs->pwfxDst->wFormatTag = WAVE_FORMAT_IMA_ADPCM;
-        else
-            adfs->pwfxDst->wFormatTag = WAVE_FORMAT_PCM;
-    }
-
-    /* check if result is ok */
-    if (ADPCM_GetFormatIndex(adfs->pwfxDst) == 0xFFFFFFFF) return ACMERR_NOTPOSSIBLE;
-
-    /* recompute other values */
-    switch (adfs->pwfxDst->wFormatTag)
-    {
-    case WAVE_FORMAT_PCM:
-        adfs->pwfxDst->nBlockAlign = (adfs->pwfxDst->nChannels * adfs->pwfxDst->wBitsPerSample) / 8;
-        adfs->pwfxDst->nAvgBytesPerSec = adfs->pwfxDst->nSamplesPerSec * adfs->pwfxDst->nBlockAlign;
-        break;
-    case WAVE_FORMAT_IMA_ADPCM:
-        adfs->pwfxDst->nBlockAlign = 1024;
-        /* FIXME: not handling header overhead */
-        adfs->pwfxDst->nAvgBytesPerSec = ((adfs->pwfxDst->nSamplesPerSec * 4) / 8) * adfs->pwfxSrc->nChannels;
-        ((IMAADPCMWAVEFORMAT*)adfs->pwfxDst)->wSamplesPerBlock = (1024 - 4 * adfs->pwfxSrc->nChannels) * (2 / adfs->pwfxSrc->nChannels) + 1;
-        TRACE("setting spb=%u\n", ((IMAADPCMWAVEFORMAT*)adfs->pwfxDst)->wSamplesPerBlock);
-        break;
-    default:
-        FIXME("\n");
-        break;
-    }
-
-    return MMSYSERR_NOERROR;
-}
-
-/***********************************************************************
- *           ADPCM_Reset
- *
- */
-static void    ADPCM_Reset(PACMDRVSTREAMINSTANCE adsi, AcmAdpcmData* aad)
-{
-    aad->stepIndexL = aad->stepIndexR = 0;
-}
-
-/***********************************************************************
- *           ADPCM_StreamOpen
- *
- */
-static LRESULT ADPCM_StreamOpen(PACMDRVSTREAMINSTANCE adsi)
-{
-    AcmAdpcmData*      aad;
-    unsigned            nspb;
-
-    assert(!(adsi->fdwOpen & ACM_STREAMOPENF_ASYNC));
-
-    if (ADPCM_GetFormatIndex(adsi->pwfxSrc) == 0xFFFFFFFF ||
-       ADPCM_GetFormatIndex(adsi->pwfxDst) == 0xFFFFFFFF)
-       return ACMERR_NOTPOSSIBLE;
-
-    aad = HeapAlloc(GetProcessHeap(), 0, sizeof(AcmAdpcmData));
-    if (aad == 0) return MMSYSERR_NOMEM;
-
-    adsi->dwDriver = (DWORD)aad;
-
-    if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
-       adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
-    {
-       goto theEnd;
-    }
-    else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_IMA_ADPCM &&
-             adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
-    {
-       /* resampling or mono <=> stereo not available
-         * ADPCM algo only define 16 bit per sample output
-         */
-       if (adsi->pwfxSrc->nSamplesPerSec != adsi->pwfxDst->nSamplesPerSec ||
-           adsi->pwfxSrc->nChannels != adsi->pwfxDst->nChannels ||
-            adsi->pwfxDst->wBitsPerSample != 16)
-           goto theEnd;
-
-        nspb = ((LPIMAADPCMWAVEFORMAT)adsi->pwfxSrc)->wSamplesPerBlock;
-        TRACE("spb=%u\n", nspb);
-
-        /* we check that in a block, after the header, samples are present on
-         * 4-sample packet pattern
-         * we also check that the block alignement is bigger than the expected size
-         */
-        if (((nspb - 1) & 3) != 0) goto theEnd;
-        if ((((nspb - 1) / 2) + 4) * adsi->pwfxSrc->nChannels < adsi->pwfxSrc->nBlockAlign)
-            goto theEnd;
-
-       /* adpcm decoding... */
-       if (adsi->pwfxDst->wBitsPerSample == 16 && adsi->pwfxDst->nChannels == 2)
-           aad->convert = cvtSSima16K;
-       if (adsi->pwfxDst->wBitsPerSample == 16 && adsi->pwfxDst->nChannels == 1)
-           aad->convert = cvtMMima16K;
-    }
-    else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
-             adsi->pwfxDst->wFormatTag == WAVE_FORMAT_IMA_ADPCM)
-    {
-       if (adsi->pwfxSrc->nSamplesPerSec != adsi->pwfxDst->nSamplesPerSec ||
-           adsi->pwfxSrc->nChannels != adsi->pwfxDst->nChannels ||
-            adsi->pwfxSrc->wBitsPerSample != 16)
-           goto theEnd;
-
-        nspb = ((LPIMAADPCMWAVEFORMAT)adsi->pwfxDst)->wSamplesPerBlock;
-        TRACE("spb=%u\n", nspb);
-
-        /* we check that in a block, after the header, samples are present on
-         * 4-sample packet pattern
-         * we also check that the block alignement is bigger than the expected size
-         */
-        if (((nspb - 1) & 3) != 0) goto theEnd;
-        if ((((nspb - 1) / 2) + 4) * adsi->pwfxDst->nChannels < adsi->pwfxDst->nBlockAlign)
-            goto theEnd;
-
-       /* adpcm coding... */
-       if (adsi->pwfxSrc->wBitsPerSample == 16 && adsi->pwfxSrc->nChannels == 2)
-           aad->convert = cvtSS16imaK;
-       if (adsi->pwfxSrc->wBitsPerSample == 16 && adsi->pwfxSrc->nChannels == 1)
-           aad->convert = cvtMM16imaK;
-    }
-    else goto theEnd;
-    ADPCM_Reset(adsi, aad);
-
-    return MMSYSERR_NOERROR;
-
- theEnd:
-    HeapFree(GetProcessHeap(), 0, aad);
-    adsi->dwDriver = 0L;
-    return MMSYSERR_NOTSUPPORTED;
-}
-
-/***********************************************************************
- *           ADPCM_StreamClose
- *
- */
-static LRESULT ADPCM_StreamClose(PACMDRVSTREAMINSTANCE adsi)
-{
-    HeapFree(GetProcessHeap(), 0, (void*)adsi->dwDriver);
-    return MMSYSERR_NOERROR;
-}
-
-/***********************************************************************
- *           ADPCM_round
- *
- */
-static inline DWORD    ADPCM_round(DWORD a, DWORD b, DWORD c)
-{
-    assert(a && b && c);
-    /* to be sure, always return an entire number of c... */
-    return ((double)a * (double)b + (double)c - 1) / (double)c;
-}
-
-/***********************************************************************
- *           ADPCM_StreamSize
- *
- */
-static LRESULT ADPCM_StreamSize(PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMSIZE adss)
-{
-    switch (adss->fdwSize)
-    {
-    case ACM_STREAMSIZEF_DESTINATION:
-       /* cbDstLength => cbSrcLength */
-       if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
-           adsi->pwfxDst->wFormatTag == WAVE_FORMAT_IMA_ADPCM)
-        {
-           /* don't take block overhead into account, doesn't matter too much */
-           adss->cbSrcLength = adss->cbDstLength * 4;
-       }
-        else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_IMA_ADPCM &&
-                 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
-        {
-           FIXME("misses the block header overhead\n");
-           adss->cbSrcLength = 256 + adss->cbDstLength / 4;
-       }
-        else
-        {
-           return MMSYSERR_NOTSUPPORTED;
-       }
-       break;
-    case ACM_STREAMSIZEF_SOURCE:
-       /* cbSrcLength => cbDstLength */
-       if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
-           adsi->pwfxDst->wFormatTag == WAVE_FORMAT_IMA_ADPCM)
-        {
-           FIXME("misses the block header overhead\n");
-           adss->cbDstLength = 256 + adss->cbSrcLength / 4;
-       }
-        else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_IMA_ADPCM &&
-                 adsi->pwfxDst->wFormatTag == WAVE_FORMAT_PCM)
-        {
-           /* don't take block overhead into account, doesn't matter too much */
-           adss->cbDstLength = adss->cbSrcLength * 4;
-       }
-        else
-        {
-           return MMSYSERR_NOTSUPPORTED;
-       }
-       break;
-    default:
-       WARN("Unsupported query %08lx\n", adss->fdwSize);
-       return MMSYSERR_NOTSUPPORTED;
-    }
-    return MMSYSERR_NOERROR;
-}
-
-/***********************************************************************
- *           ADPCM_StreamConvert
- *
- */
-static LRESULT ADPCM_StreamConvert(PACMDRVSTREAMINSTANCE adsi, PACMDRVSTREAMHEADER adsh)
-{
-    AcmAdpcmData*      aad = (AcmAdpcmData*)adsi->dwDriver;
-    DWORD              nsrc = adsh->cbSrcLength;
-    DWORD              ndst = adsh->cbDstLength;
-
-    if (adsh->fdwConvert &
-       ~(ACM_STREAMCONVERTF_BLOCKALIGN|
-         ACM_STREAMCONVERTF_END|
-         ACM_STREAMCONVERTF_START))
-    {
-       FIXME("Unsupported fdwConvert (%08lx), ignoring it\n", adsh->fdwConvert);
-    }
-    /* ACM_STREAMCONVERTF_BLOCKALIGN
-     * currently all conversions are block aligned, so do nothing for this flag
-     * ACM_STREAMCONVERTF_END
-     * no pending data, so do nothing for this flag
-     */
-    if ((adsh->fdwConvert & ACM_STREAMCONVERTF_START))
-    {
-       ADPCM_Reset(adsi, aad);
-    }
-
-    aad->convert(adsi, adsh->pbSrc, &nsrc, adsh->pbDst, &ndst);
-    adsh->cbSrcLengthUsed = nsrc;
-    adsh->cbDstLengthUsed = ndst;
-
-    return MMSYSERR_NOERROR;
-}
-
-/**************************************************************************
- *                     ADPCM_DriverProc                        [exported]
- */
-LRESULT CALLBACK       ADPCM_DriverProc(DWORD dwDevID, HDRVR hDriv, UINT wMsg,
-                                        LPARAM dwParam1, LPARAM dwParam2)
-{
-    TRACE("(%08lx %08lx %04x %08lx %08lx);\n",
-         dwDevID, (DWORD)hDriv, wMsg, dwParam1, dwParam2);
-
-    switch (wMsg)
-    {
-    case DRV_LOAD:             return 1;
-    case DRV_FREE:             return 1;
-    case DRV_OPEN:             return ADPCM_drvOpen((LPSTR)dwParam1);
-    case DRV_CLOSE:            return ADPCM_drvClose(dwDevID);
-    case DRV_ENABLE:           return 1;
-    case DRV_DISABLE:          return 1;
-    case DRV_QUERYCONFIGURE:   return 1;
-    case DRV_CONFIGURE:                MessageBoxA(0, "MSACM IMA ADPCM filter !", "Wine Driver", MB_OK); return 1;
-    case DRV_INSTALL:          return DRVCNF_RESTART;
-    case DRV_REMOVE:           return DRVCNF_RESTART;
-
-    case ACMDM_DRIVER_NOTIFY:
-       /* no caching from other ACM drivers is done so far */
-       return MMSYSERR_NOERROR;
-
-    case ACMDM_DRIVER_DETAILS:
-       return ADPCM_DriverDetails((PACMDRIVERDETAILSW)dwParam1);
-
-    case ACMDM_FORMATTAG_DETAILS:
-       return ADPCM_FormatTagDetails((PACMFORMATTAGDETAILSW)dwParam1, dwParam2);
-
-    case ACMDM_FORMAT_DETAILS:
-       return ADPCM_FormatDetails((PACMFORMATDETAILSW)dwParam1, dwParam2);
-
-    case ACMDM_FORMAT_SUGGEST:
-       return ADPCM_FormatSuggest((PACMDRVFORMATSUGGEST)dwParam1);
-
-    case ACMDM_STREAM_OPEN:
-       return ADPCM_StreamOpen((PACMDRVSTREAMINSTANCE)dwParam1);
-
-    case ACMDM_STREAM_CLOSE:
-       return ADPCM_StreamClose((PACMDRVSTREAMINSTANCE)dwParam1);
-
-    case ACMDM_STREAM_SIZE:
-       return ADPCM_StreamSize((PACMDRVSTREAMINSTANCE)dwParam1, (PACMDRVSTREAMSIZE)dwParam2);
-
-    case ACMDM_STREAM_CONVERT:
-       return ADPCM_StreamConvert((PACMDRVSTREAMINSTANCE)dwParam1, (PACMDRVSTREAMHEADER)dwParam2);
-
-    case ACMDM_HARDWARE_WAVE_CAPS_INPUT:
-    case ACMDM_HARDWARE_WAVE_CAPS_OUTPUT:
-       /* this converter is not a hardware driver */
-    case ACMDM_FILTERTAG_DETAILS:
-    case ACMDM_FILTER_DETAILS:
-       /* this converter is not a filter */
-    case ACMDM_STREAM_RESET:
-       /* only needed for asynchronous driver... we aren't, so just say it */
-       return MMSYSERR_NOTSUPPORTED;
-    case ACMDM_STREAM_PREPARE:
-    case ACMDM_STREAM_UNPREPARE:
-       /* nothing special to do here... so don't do anything */
-       return MMSYSERR_NOERROR;
-
-    default:
-       return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
-    }
-    return 0;
-}