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@ -0,0 +1,776 @@
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/*
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* MS ADPCM handling
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*
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* Copyright (C) 2002 Eric Pouech
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*
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <assert.h>
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#include <string.h>
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#include "winnls.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "msacm.h"
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#include "mmreg.h"
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#include "../msacmdrv.h"
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#include "wine/debug.h"
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/* see http://www.pcisys.net/~melanson/codecs/adpcm.txt for the details */
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WINE_DEFAULT_DEBUG_CHANNEL(adpcm);
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/***********************************************************************
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* ADPCM_drvOpen
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*/
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static DWORD ADPCM_drvOpen(LPCSTR str)
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{
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return 1;
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}
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/***********************************************************************
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* ADPCM_drvClose
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*/
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static DWORD ADPCM_drvClose(DWORD dwDevID)
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{
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return 1;
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}
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typedef struct tagAcmAdpcmData
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{
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void (*convert)(PACMDRVSTREAMINSTANCE adsi,
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const unsigned char*, LPDWORD, unsigned char*, LPDWORD);
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} AcmAdpcmData;
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/* table to list all supported formats... those are the basic ones. this
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* also helps given a unique index to each of the supported formats
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*/
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typedef struct
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{
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int nChannels;
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int nBits;
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int rate;
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} Format;
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static Format PCM_Formats[] =
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{
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{1, 8, 8000}, {2, 8, 8000}, {1, 16, 8000}, {2, 16, 8000},
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{1, 8, 11025}, {2, 8, 11025}, {1, 16, 11025}, {2, 16, 11025},
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{1, 8, 22050}, {2, 8, 22050}, {1, 16, 22050}, {2, 16, 22050},
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{1, 8, 44100}, {2, 8, 44100}, {1, 16, 44100}, {2, 16, 44100},
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};
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static Format ADPCM_Formats[] =
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{
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{1, 4, 8000}, {2, 4, 8000}, {1, 4, 11025}, {2, 4, 11025},
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{1, 4, 22050}, {2, 4, 22050}, {1, 4, 44100}, {2, 4, 44100},
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};
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#define NUM_PCM_FORMATS (sizeof(PCM_Formats) / sizeof(PCM_Formats[0]))
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#define NUM_ADPCM_FORMATS (sizeof(ADPCM_Formats) / sizeof(ADPCM_Formats[0]))
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static int MS_Delta[] =
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{
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230, 230, 230, 230, 307, 409, 512, 614,
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768, 614, 512, 409, 307, 230, 230, 230
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};
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static ADPCMCOEFSET MSADPCM_CoeffSet[] =
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{
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{256, 0}, {512, -256}, {0, 0}, {192, 64}, {240, 0}, {460, -208}, {392, -232}
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};
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/***********************************************************************
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* ADPCM_GetFormatIndex
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*/
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static DWORD ADPCM_GetFormatIndex(WAVEFORMATEX* wfx)
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{
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int i, hi;
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Format* fmts;
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switch (wfx->wFormatTag)
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{
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case WAVE_FORMAT_PCM:
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hi = NUM_PCM_FORMATS;
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fmts = PCM_Formats;
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break;
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case WAVE_FORMAT_ADPCM:
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hi = NUM_ADPCM_FORMATS;
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fmts = ADPCM_Formats;
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break;
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default:
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return 0xFFFFFFFF;
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}
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for (i = 0; i < hi; i++)
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{
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if (wfx->nChannels == fmts[i].nChannels &&
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wfx->nSamplesPerSec == fmts[i].rate &&
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wfx->wBitsPerSample == fmts[i].nBits)
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return i;
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}
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return 0xFFFFFFFF;
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}
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static void init_wfx_adpcm(ADPCMWAVEFORMAT* awfx)
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{
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register WAVEFORMATEX* pwfx = &awfx->wfx;
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/* we assume wFormatTag, nChannels, nSamplesPerSec and wBitsPerSample
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* have been initialized... */
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if (pwfx->wFormatTag != WAVE_FORMAT_ADPCM) {FIXME("wrong FT\n"); return;}
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if (ADPCM_GetFormatIndex(pwfx) == 0xFFFFFFFF) {FIXME("wrong fmt\n"); return;}
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switch (pwfx->nSamplesPerSec)
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{
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case 8000: pwfx->nBlockAlign = 256; break;
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case 11025: pwfx->nBlockAlign = 256; break;
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case 22050: pwfx->nBlockAlign = 512; break;
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default:
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case 44100: pwfx->nBlockAlign = 1024; break;
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}
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pwfx->cbSize = 2 * sizeof(WORD) + 7 * sizeof(ADPCMCOEFSET);
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/* 7 is the size of the block head (which contains two samples) */
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awfx->wSamplesPerBlock = (pwfx->nBlockAlign - (7 * pwfx->nChannels)) * (2 / pwfx->nChannels) + 2;
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pwfx->nAvgBytesPerSec = (pwfx->nSamplesPerSec * pwfx->nBlockAlign) / awfx->wSamplesPerBlock;
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awfx->wNumCoef = 7;
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memcpy(awfx->aCoef, MSADPCM_CoeffSet, 7 * sizeof(ADPCMCOEFSET));
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}
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/***********************************************************************
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* R16
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*
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* Read a 16 bit sample (correctly handles endianess)
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*/
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static inline short R16(const unsigned char* src)
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{
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return (short)((unsigned short)src[0] | ((unsigned short)src[1] << 8));
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}
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/***********************************************************************
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* W16
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*
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* Write a 16 bit sample (correctly handles endianess)
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*/
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static inline void W16(unsigned char* dst, short s)
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{
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dst[0] = LOBYTE(s);
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dst[1] = HIBYTE(s);
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}
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static inline void clamp_sample(int* sample)
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{
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if (*sample < -32768) *sample = -32768;
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if (*sample > 32767) *sample = 32767;
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}
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static inline void process_nibble(unsigned nibble, int* idelta,
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int* sample1, int* sample2,
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const ADPCMCOEFSET* coeff)
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{
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int sample;
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int snibble;
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/* nibble is in fact a signed 4 bit integer => propagate sign if needed */
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snibble = (nibble & 0x08) ? (nibble - 16) : nibble;
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sample = ((*sample1 * coeff->iCoef1) + (*sample2 * coeff->iCoef2)) / 256 +
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snibble * *idelta;
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clamp_sample(&sample);
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*sample2 = *sample1;
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*sample1 = sample;
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*idelta = ((MS_Delta[nibble] * *idelta) / 256);
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if (*idelta < 16) *idelta = 16;
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}
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static void cvtSSms16K(PACMDRVSTREAMINSTANCE adsi,
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const unsigned char* src, LPDWORD nsrc,
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unsigned char* dst, LPDWORD ndst)
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{
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int ideltaL, ideltaR;
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int sample1L, sample2L;
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int sample1R, sample2R;
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ADPCMCOEFSET coeffL, coeffR;
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int nsamp;
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int nsamp_blk = ((ADPCMWAVEFORMAT*)adsi->pwfxSrc)->wSamplesPerBlock;
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DWORD nblock = min(*nsrc / adsi->pwfxSrc->nBlockAlign,
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*ndst / (nsamp_blk * 2 * 2));
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*nsrc = nblock * adsi->pwfxSrc->nBlockAlign;
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*ndst = nblock * nsamp_blk * 2 * 2;
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nsamp_blk -= 2; /* see below for samples from block head */
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for (; nblock > 0; nblock--)
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{
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const unsigned char* in_src = src;
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assert(*src <= 6);
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coeffL = MSADPCM_CoeffSet[*src++];
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assert(*src <= 6);
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coeffR = MSADPCM_CoeffSet[*src++];
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ideltaL = R16(src); src += 2;
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ideltaR = R16(src); src += 2;
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sample1L = R16(src); src += 2;
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sample1R = R16(src); src += 2;
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sample2L = R16(src); src += 2;
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sample2R = R16(src); src += 2;
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/* store samples from block head */
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W16(dst, sample2L); dst += 2;
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W16(dst, sample2R); dst += 2;
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W16(dst, sample1L); dst += 2;
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W16(dst, sample1R); dst += 2;
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for (nsamp = nsamp_blk; nsamp > 0; nsamp--)
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{
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process_nibble(*src >> 4, &ideltaL, &sample1L, &sample2L, &coeffL);
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W16(dst, sample1L); dst += 2;
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process_nibble(*src++ & 0x0F, &ideltaR, &sample1R, &sample2R, &coeffR);
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W16(dst, sample1R); dst += 2;
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}
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src = in_src + adsi->pwfxSrc->nBlockAlign;
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}
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}
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static void cvtMMms16K(PACMDRVSTREAMINSTANCE adsi,
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const unsigned char* src, LPDWORD nsrc,
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unsigned char* dst, LPDWORD ndst)
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{
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int idelta;
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int sample1, sample2;
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ADPCMCOEFSET coeff;
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int nsamp;
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int nsamp_blk = ((ADPCMWAVEFORMAT*)adsi->pwfxSrc)->wSamplesPerBlock;
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DWORD nblock = min(*nsrc / adsi->pwfxSrc->nBlockAlign,
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*ndst / (nsamp_blk * 2));
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*nsrc = nblock * adsi->pwfxSrc->nBlockAlign;
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*ndst = nblock * nsamp_blk * 2;
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nsamp_blk -= 2; /* see below for samples from block head */
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for (; nblock > 0; nblock--)
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{
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const unsigned char* in_src = src;
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assert(*src <= 6);
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coeff = MSADPCM_CoeffSet[*src++];
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idelta = R16(src); src += 2;
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sample1 = R16(src); src += 2;
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sample2 = R16(src); src += 2;
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/* store samples from block head */
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W16(dst, sample2); dst += 2;
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W16(dst, sample1); dst += 2;
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for (nsamp = nsamp_blk; nsamp > 0; nsamp -= 2)
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{
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process_nibble(*src >> 4, &idelta, &sample1, &sample2, &coeff);
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W16(dst, sample1); dst += 2;
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process_nibble(*src++ & 0x0F, &idelta, &sample1, &sample2, &coeff);
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W16(dst, sample1); dst += 2;
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}
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src = in_src + adsi->pwfxSrc->nBlockAlign;
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}
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}
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#if 0
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static void cvtSS16msK(PACMDRVSTREAMINSTANCE adsi,
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const unsigned char* src, LPDWORD nsrc,
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unsigned char* dst, LPDWORD ndst)
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{
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}
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static void cvtMM16msK(PACMDRVSTREAMINSTANCE adsi,
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const unsigned char* src, LPDWORD nsrc,
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unsigned char* dst, LPDWORD ndst)
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{
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}
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#endif
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/***********************************************************************
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* ADPCM_DriverDetails
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*
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*/
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static LRESULT ADPCM_DriverDetails(PACMDRIVERDETAILSW add)
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{
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add->fccType = ACMDRIVERDETAILS_FCCTYPE_AUDIOCODEC;
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add->fccComp = ACMDRIVERDETAILS_FCCCOMP_UNDEFINED;
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add->wMid = 0xFF;
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add->wPid = 0x00;
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|
|
|
add->vdwACM = 0x01000000;
|
|
|
|
|
add->vdwDriver = 0x01000000;
|
|
|
|
|
add->fdwSupport = ACMDRIVERDETAILS_SUPPORTF_CODEC;
|
|
|
|
|
add->cFormatTags = 2; /* PCM, MS ADPCM */
|
|
|
|
|
add->cFilterTags = 0;
|
|
|
|
|
add->hicon = (HICON)0;
|
|
|
|
|
MultiByteToWideChar( CP_ACP, 0, "WINE-MS ADPCM", -1,
|
|
|
|
|
add->szShortName, sizeof(add->szShortName)/sizeof(WCHAR) );
|
|
|
|
|
MultiByteToWideChar( CP_ACP, 0, "Wine MS 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 szMsAdPcm[]={'M','S',' ','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_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_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_ADPCM;
|
|
|
|
|
aftd->cbFormatSize = sizeof(ADPCMWAVEFORMAT) + (7 - 1) * sizeof(ADPCMCOEFSET);
|
|
|
|
|
aftd->cStandardFormats = NUM_ADPCM_FORMATS;
|
|
|
|
|
lstrcpyW(aftd->szFormatTag, szMsAdPcm);
|
|
|
|
|
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_ADPCM:
|
|
|
|
|
if (afd->dwFormatIndex >= NUM_ADPCM_FORMATS) return ACMERR_NOTPOSSIBLE;
|
|
|
|
|
if (afd->cbwfx < sizeof(ADPCMWAVEFORMAT) + (7 - 1) * sizeof(ADPCMCOEFSET))
|
|
|
|
|
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;
|
|
|
|
|
init_wfx_adpcm((ADPCMWAVEFORMAT*)afd->pwfx);
|
|
|
|
|
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_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_ADPCM:
|
|
|
|
|
init_wfx_adpcm((ADPCMWAVEFORMAT*)adfs->pwfxDst);
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
FIXME("\n");
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return MMSYSERR_NOERROR;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
|
* ADPCM_Reset
|
|
|
|
|
*
|
|
|
|
|
*/
|
|
|
|
|
static void ADPCM_Reset(PACMDRVSTREAMINSTANCE adsi, AcmAdpcmData* aad)
|
|
|
|
|
{
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
|
|
|
* 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_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;
|
|
|
|
|
#if 0
|
|
|
|
|
nspb = ((IMAADPCMWAVEFORMAT*)adsi->pwfxSrc)->wSamplesPerBlock;
|
|
|
|
|
FIXME("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;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* adpcm decoding... */
|
|
|
|
|
if (adsi->pwfxDst->wBitsPerSample == 16 && adsi->pwfxDst->nChannels == 2)
|
|
|
|
|
aad->convert = cvtSSms16K;
|
|
|
|
|
if (adsi->pwfxDst->wBitsPerSample == 16 && adsi->pwfxDst->nChannels == 1)
|
|
|
|
|
aad->convert = cvtMMms16K;
|
|
|
|
|
}
|
|
|
|
|
else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_PCM &&
|
|
|
|
|
adsi->pwfxDst->wFormatTag == WAVE_FORMAT_ADPCM)
|
|
|
|
|
{
|
|
|
|
|
if (adsi->pwfxSrc->nSamplesPerSec != adsi->pwfxDst->nSamplesPerSec ||
|
|
|
|
|
adsi->pwfxSrc->nChannels != adsi->pwfxDst->nChannels ||
|
|
|
|
|
adsi->pwfxSrc->wBitsPerSample != 16)
|
|
|
|
|
goto theEnd;
|
|
|
|
|
#if 0
|
|
|
|
|
nspb = ((IMAADPCMWAVEFORMAT*)adsi->pwfxDst)->wSamplesPerBlock;
|
|
|
|
|
FIXME("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;
|
|
|
|
|
#endif
|
|
|
|
|
#if 0
|
|
|
|
|
/* adpcm coding... */
|
|
|
|
|
if (adsi->pwfxSrc->wBitsPerSample == 16 && adsi->pwfxSrc->nChannels == 2)
|
|
|
|
|
aad->convert = cvtSS16msK;
|
|
|
|
|
if (adsi->pwfxSrc->wBitsPerSample == 16 && adsi->pwfxSrc->nChannels == 1)
|
|
|
|
|
aad->convert = cvtMM16msK;
|
|
|
|
|
#endif
|
|
|
|
|
FIXME("We don't support encoding yet\n");
|
|
|
|
|
goto theEnd;
|
|
|
|
|
}
|
|
|
|
|
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_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_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_ADPCM)
|
|
|
|
|
{
|
|
|
|
|
FIXME("misses the block header overhead\n");
|
|
|
|
|
adss->cbDstLength = 256 + adss->cbSrcLength / 4;
|
|
|
|
|
}
|
|
|
|
|
else if (adsi->pwfxSrc->wFormatTag == WAVE_FORMAT_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 MS 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;
|
|
|
|
|
}
|
Eric Pouech