dlls/msacm/stream.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2
   3 /*
   4  *      MSACM32 library
   5  *
   6  *      Copyright 1998  Patrik Stridvall
   7  *                1999  Eric Pouech
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 /* TODO
  25  *      + asynchronous conversion is not implemented
  26  *      + callback/notification
  27  *      * acmStreamMessage
  28  *      + properly close ACM streams
  29  */
  30
  31 #include <string.h>
  32 #include "winbase.h"
  33 #include "winerror.h"
  34 #include "windef.h"
  35 #include "wine/debug.h"
  36 #include "mmsystem.h"
  37 #include "msacm.h"
  38 #include "msacmdrv.h"
  39 #include "wineacm.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(msacm);
  42
  43 static PWINE_ACMSTREAM  ACM_GetStream(HACMSTREAM has)
  44 {
  45     return (PWINE_ACMSTREAM)has;
  46 }
  47
  48 /***********************************************************************
  49  *           acmStreamClose (MSACM32.@)
  50  */
  51 MMRESULT WINAPI acmStreamClose(HACMSTREAM has, DWORD fdwClose)
  52 {
  53     PWINE_ACMSTREAM     was;
  54     MMRESULT            ret;
  55
  56     TRACE("(0x%08x, %ld)\n", has, fdwClose);
  57
  58     if ((was = ACM_GetStream(has)) == NULL) {
  59         return MMSYSERR_INVALHANDLE;
  60     }
  61     ret = SendDriverMessage(was->pDrv->hDrvr, ACMDM_STREAM_CLOSE, (DWORD)&was->drvInst, 0);
  62     if (ret == MMSYSERR_NOERROR) {
  63         if (was->hAcmDriver)
  64             acmDriverClose(was->hAcmDriver, 0L);
  65         HeapFree(MSACM_hHeap, 0, was);
  66     }
  67     TRACE("=> (%d)\n", ret);
  68     return ret;
  69 }
  70
  71 /***********************************************************************
  72  *           acmStreamConvert (MSACM32.@)
  73  */
  74 MMRESULT WINAPI acmStreamConvert(HACMSTREAM has, PACMSTREAMHEADER pash,
  75                                  DWORD fdwConvert)
  76 {
  77     PWINE_ACMSTREAM     was;
  78     MMRESULT            ret = MMSYSERR_NOERROR;
  79     PACMDRVSTREAMHEADER padsh;
  80
  81     TRACE("(0x%08x, %p, %ld)\n", has, pash, fdwConvert);
  82
  83     if ((was = ACM_GetStream(has)) == NULL)
  84         return MMSYSERR_INVALHANDLE;
  85     if (!pash || pash->cbStruct < sizeof(ACMSTREAMHEADER))
  86         return MMSYSERR_INVALPARAM;
  87
  88     if (!(pash->fdwStatus & ACMSTREAMHEADER_STATUSF_PREPARED))
  89         return ACMERR_UNPREPARED;
  90
  91     /* Note: the ACMSTREAMHEADER and ACMDRVSTREAMHEADER structs are of same
  92      * size. some fields are private to msacm internals, and are exposed
  93      * in ACMSTREAMHEADER in the dwReservedDriver array
  94      */
  95     padsh = (PACMDRVSTREAMHEADER)pash;
  96
  97     /* check that pointers have not been modified */
  98     if (padsh->pbPreparedSrc != padsh->pbSrc ||
  99         padsh->cbPreparedSrcLength < padsh->cbSrcLength ||
 100         padsh->pbPreparedDst != padsh->pbDst ||
 101         padsh->cbPreparedDstLength < padsh->cbDstLength) {
 102         return MMSYSERR_INVALPARAM;
 103     }
 104
 105     padsh->fdwConvert = fdwConvert;
 106
 107     ret = SendDriverMessage(was->pDrv->hDrvr, ACMDM_STREAM_CONVERT, (DWORD)&was->drvInst, (DWORD)padsh);
 108     if (ret == MMSYSERR_NOERROR) {
 109         padsh->fdwStatus |= ACMSTREAMHEADER_STATUSF_DONE;
 110     }
 111     TRACE("=> (%d)\n", ret);
 112     return ret;
 113 }
 114
 115 /***********************************************************************
 116  *           acmStreamMessage (MSACM32.@)
 117  */
 118 MMRESULT WINAPI acmStreamMessage(HACMSTREAM has, UINT uMsg, LPARAM lParam1,
 119                                  LPARAM lParam2)
 120 {
 121     FIXME("(0x%08x, %u, %ld, %ld): stub\n", has, uMsg, lParam1, lParam2);
 122     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 123     return MMSYSERR_ERROR;
 124 }
 125
 126 /***********************************************************************
 127  *           acmStreamOpen (MSACM32.@)
 128  */
 129 MMRESULT WINAPI acmStreamOpen(PHACMSTREAM phas, HACMDRIVER had, PWAVEFORMATEX pwfxSrc,
 130                               PWAVEFORMATEX pwfxDst, PWAVEFILTER pwfltr, DWORD dwCallback,
 131                               DWORD dwInstance, DWORD fdwOpen)
 132 {
 133     PWINE_ACMSTREAM     was;
 134     PWINE_ACMDRIVER     wad;
 135     MMRESULT            ret;
 136     int                 wfxSrcSize;
 137     int                 wfxDstSize;
 138
 139     TRACE("(%p, 0x%08x, %p, %p, %p, %ld, %ld, %ld)\n",
 140           phas, had, pwfxSrc, pwfxDst, pwfltr, dwCallback, dwInstance, fdwOpen);
 141
 142     TRACE("src [wFormatTag=%u, nChannels=%u, nSamplesPerSec=%lu, nAvgBytesPerSec=%lu, nBlockAlign=%u, wBitsPerSample=%u, cbSize=%u]\n",
 143           pwfxSrc->wFormatTag, pwfxSrc->nChannels, pwfxSrc->nSamplesPerSec, pwfxSrc->nAvgBytesPerSec,
 144           pwfxSrc->nBlockAlign, pwfxSrc->wBitsPerSample, pwfxSrc->cbSize);
 145
 146     TRACE("dst [wFormatTag=%u, nChannels=%u, nSamplesPerSec=%lu, nAvgBytesPerSec=%lu, nBlockAlign=%u, wBitsPerSample=%u, cbSize=%u]\n",
 147           pwfxDst->wFormatTag, pwfxDst->nChannels, pwfxDst->nSamplesPerSec, pwfxDst->nAvgBytesPerSec,
 148           pwfxDst->nBlockAlign, pwfxDst->wBitsPerSample, pwfxDst->cbSize);
 149
 150     if ((fdwOpen & ACM_STREAMOPENF_QUERY) && phas) return MMSYSERR_INVALPARAM;
 151     if (pwfltr && (pwfxSrc->wFormatTag != pwfxDst->wFormatTag)) return MMSYSERR_INVALPARAM;
 152
 153     wfxSrcSize = wfxDstSize = sizeof(WAVEFORMATEX);
 154     if (pwfxSrc->wFormatTag != WAVE_FORMAT_PCM) wfxSrcSize += pwfxSrc->cbSize;
 155     if (pwfxDst->wFormatTag != WAVE_FORMAT_PCM) wfxDstSize += pwfxDst->cbSize;
 156
 157     was = HeapAlloc(MSACM_hHeap, 0, sizeof(*was) + wfxSrcSize + wfxDstSize +
 158                     ((pwfltr) ? sizeof(WAVEFILTER) : 0));
 159     if (was == NULL)
 160         return MMSYSERR_NOMEM;
 161
 162     was->drvInst.cbStruct = sizeof(was->drvInst);
 163     was->drvInst.pwfxSrc = (PWAVEFORMATEX)((LPSTR)was + sizeof(*was));
 164     memcpy(was->drvInst.pwfxSrc, pwfxSrc, wfxSrcSize);
 165     was->drvInst.pwfxDst = (PWAVEFORMATEX)((LPSTR)was + sizeof(*was) + wfxSrcSize);
 166     memcpy(was->drvInst.pwfxDst, pwfxDst, wfxDstSize);
 167     if (pwfltr) {
 168         was->drvInst.pwfltr = (PWAVEFILTER)((LPSTR)was + sizeof(*was) + wfxSrcSize + wfxDstSize);
 169         memcpy(was->drvInst.pwfltr, pwfltr, sizeof(WAVEFILTER));
 170     } else {
 171         was->drvInst.pwfltr = NULL;
 172     }
 173     was->drvInst.dwCallback = dwCallback;
 174     was->drvInst.dwInstance = dwInstance;
 175     was->drvInst.fdwOpen = fdwOpen;
 176     was->drvInst.fdwDriver = 0L;
 177     was->drvInst.dwDriver = 0L;
 178     /* real value will be stored once ACMDM_STREAM_OPEN succeeds */
 179     was->drvInst.has = 0L;
 180
 181     if (had) {
 182         if (!(wad = MSACM_GetDriver(had))) {
 183             ret = MMSYSERR_INVALPARAM;
 184             goto errCleanUp;
 185         }
 186
 187         was->obj.dwType = WINE_ACMOBJ_STREAM;
 188         was->obj.pACMDriverID = wad->obj.pACMDriverID;
 189         was->pDrv = wad;
 190         was->hAcmDriver = 0; /* not to close it in acmStreamClose */
 191
 192         ret = SendDriverMessage(wad->hDrvr, ACMDM_STREAM_OPEN, (DWORD)&was->drvInst, 0L);
 193         if (ret != MMSYSERR_NOERROR)
 194             goto errCleanUp;
 195     } else {
 196         PWINE_ACMDRIVERID wadi;
 197
 198         ret = ACMERR_NOTPOSSIBLE;
 199         for (wadi = MSACM_pFirstACMDriverID; wadi; wadi = wadi->pNextACMDriverID) {
 200             if ((wadi->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) ||
 201                 !MSACM_FindFormatTagInCache(wadi, pwfxSrc->wFormatTag, NULL) ||
 202                 !MSACM_FindFormatTagInCache(wadi, pwfxDst->wFormatTag, NULL))
 203                 continue;
 204             ret = acmDriverOpen(&had, (HACMDRIVERID)wadi, 0L);
 205             if (ret != MMSYSERR_NOERROR)
 206                 continue;
 207             if ((wad = MSACM_GetDriver(had)) != 0) {
 208                 was->obj.dwType = WINE_ACMOBJ_STREAM;
 209                 was->obj.pACMDriverID = wad->obj.pACMDriverID;
 210                 was->pDrv = wad;
 211                 was->hAcmDriver = had;
 212
 213                 ret = SendDriverMessage(wad->hDrvr, ACMDM_STREAM_OPEN, (DWORD)&was->drvInst, 0L);
 214                 TRACE("%s => %08x\n", wadi->pszDriverAlias, ret);
 215                 if (ret == MMSYSERR_NOERROR) {
 216                     if (fdwOpen & ACM_STREAMOPENF_QUERY) {
 217                         acmDriverClose(had, 0L);
 218                     }
 219                     break;
 220                 }
 221             }
 222             /* no match, close this acm driver and try next one */
 223             acmDriverClose(had, 0L);
 224         }
 225         if (ret != MMSYSERR_NOERROR) {
 226             ret = ACMERR_NOTPOSSIBLE;
 227             goto errCleanUp;
 228         }
 229     }
 230     ret = MMSYSERR_NOERROR;
 231     was->drvInst.has = (HACMSTREAM)was;
 232     if (!(fdwOpen & ACM_STREAMOPENF_QUERY)) {
 233         if (phas)
 234             *phas = (HACMSTREAM)was;
 235         TRACE("=> (%d)\n", ret);
 236         return ret;
 237     }
 238 errCleanUp:
 239     if (phas)
 240         *phas = (HACMSTREAM)0;
 241     HeapFree(MSACM_hHeap, 0, was);
 242     TRACE("=> (%d)\n", ret);
 243     return ret;
 244 }
 245
 246
 247 /***********************************************************************
 248  *           acmStreamPrepareHeader (MSACM32.@)
 249  */
 250 MMRESULT WINAPI acmStreamPrepareHeader(HACMSTREAM has, PACMSTREAMHEADER pash,
 251                                        DWORD fdwPrepare)
 252 {
 253     PWINE_ACMSTREAM     was;
 254     MMRESULT            ret = MMSYSERR_NOERROR;
 255     PACMDRVSTREAMHEADER padsh;
 256
 257     TRACE("(0x%08x, %p, %ld)\n", has, pash, fdwPrepare);
 258
 259     if ((was = ACM_GetStream(has)) == NULL)
 260         return MMSYSERR_INVALHANDLE;
 261     if (!pash || pash->cbStruct < sizeof(ACMSTREAMHEADER))
 262         return MMSYSERR_INVALPARAM;
 263     if (fdwPrepare)
 264         ret = MMSYSERR_INVALFLAG;
 265
 266     if (pash->fdwStatus & ACMSTREAMHEADER_STATUSF_DONE)
 267         return MMSYSERR_NOERROR;
 268
 269     /* Note: the ACMSTREAMHEADER and ACMDRVSTREAMHEADER structs are of same
 270      * size. some fields are private to msacm internals, and are exposed
 271      * in ACMSTREAMHEADER in the dwReservedDriver array
 272      */
 273     padsh = (PACMDRVSTREAMHEADER)pash;
 274
 275     padsh->fdwConvert = fdwPrepare;
 276     padsh->padshNext = NULL;
 277     padsh->fdwDriver = padsh->dwDriver = 0L;
 278
 279     padsh->fdwPrepared = 0;
 280     padsh->dwPrepared = 0;
 281     padsh->pbPreparedSrc = 0;
 282     padsh->cbPreparedSrcLength = 0;
 283     padsh->pbPreparedDst = 0;
 284     padsh->cbPreparedDstLength = 0;
 285
 286     ret = SendDriverMessage(was->pDrv->hDrvr, ACMDM_STREAM_PREPARE, (DWORD)&was->drvInst, (DWORD)padsh);
 287     if (ret == MMSYSERR_NOERROR || ret == MMSYSERR_NOTSUPPORTED) {
 288         ret = MMSYSERR_NOERROR;
 289         padsh->fdwStatus &= ~(ACMSTREAMHEADER_STATUSF_DONE|ACMSTREAMHEADER_STATUSF_INQUEUE);
 290         padsh->fdwStatus |= ACMSTREAMHEADER_STATUSF_PREPARED;
 291         padsh->fdwPrepared = padsh->fdwStatus;
 292         padsh->dwPrepared = 0;
 293         padsh->pbPreparedSrc = padsh->pbSrc;
 294         padsh->cbPreparedSrcLength = padsh->cbSrcLength;
 295         padsh->pbPreparedDst = padsh->pbDst;
 296         padsh->cbPreparedDstLength = padsh->cbDstLength;
 297     } else {
 298         padsh->fdwPrepared = 0;
 299         padsh->dwPrepared = 0;
 300         padsh->pbPreparedSrc = 0;
 301         padsh->cbPreparedSrcLength = 0;
 302         padsh->pbPreparedDst = 0;
 303         padsh->cbPreparedDstLength = 0;
 304     }
 305     TRACE("=> (%d)\n", ret);
 306     return ret;
 307 }
 308
 309 /***********************************************************************
 310  *           acmStreamReset (MSACM32.@)
 311  */
 312 MMRESULT WINAPI acmStreamReset(HACMSTREAM has, DWORD fdwReset)
 313 {
 314     PWINE_ACMSTREAM     was;
 315     MMRESULT            ret = MMSYSERR_NOERROR;
 316
 317     TRACE("(0x%08x, %ld)\n", has, fdwReset);
 318
 319     if (fdwReset) {
 320         ret = MMSYSERR_INVALFLAG;
 321     } else if ((was = ACM_GetStream(has)) == NULL) {
 322         return MMSYSERR_INVALHANDLE;
 323     } else if (was->drvInst.fdwOpen & ACM_STREAMOPENF_ASYNC) {
 324         ret = SendDriverMessage(was->pDrv->hDrvr, ACMDM_STREAM_RESET, (DWORD)&was->drvInst, 0);
 325     }
 326     TRACE("=> (%d)\n", ret);
 327     return ret;
 328 }
 329
 330 /***********************************************************************
 331  *           acmStreamSize (MSACM32.@)
 332  */
 333 MMRESULT WINAPI acmStreamSize(HACMSTREAM has, DWORD cbInput,
 334                               LPDWORD pdwOutputBytes, DWORD fdwSize)
 335 {
 336     PWINE_ACMSTREAM     was;
 337     ACMDRVSTREAMSIZE    adss;
 338     MMRESULT            ret;
 339
 340     TRACE("(0x%08x, %ld, %p, %ld)\n", has, cbInput, pdwOutputBytes, fdwSize);
 341
 342     if ((was = ACM_GetStream(has)) == NULL) {
 343         return MMSYSERR_INVALHANDLE;
 344     }
 345     if ((fdwSize & ~ACM_STREAMSIZEF_QUERYMASK) != 0) {
 346         return MMSYSERR_INVALFLAG;
 347     }
 348
 349     *pdwOutputBytes = 0L;
 350
 351     switch (fdwSize & ACM_STREAMSIZEF_QUERYMASK) {
 352     case ACM_STREAMSIZEF_DESTINATION:
 353         adss.cbDstLength = cbInput;
 354         adss.cbSrcLength = 0;
 355         break;
 356     case ACM_STREAMSIZEF_SOURCE:
 357         adss.cbSrcLength = cbInput;
 358         adss.cbDstLength = 0;
 359         break;
 360     default:
 361         return MMSYSERR_INVALFLAG;
 362     }
 363
 364     adss.cbStruct = sizeof(adss);
 365     adss.fdwSize = fdwSize;
 366     ret = SendDriverMessage(was->pDrv->hDrvr, ACMDM_STREAM_SIZE,
 367                             (DWORD)&was->drvInst, (DWORD)&adss);
 368     if (ret == MMSYSERR_NOERROR) {
 369         switch (fdwSize & ACM_STREAMSIZEF_QUERYMASK) {
 370         case ACM_STREAMSIZEF_DESTINATION:
 371             *pdwOutputBytes = adss.cbSrcLength;
 372             break;
 373         case ACM_STREAMSIZEF_SOURCE:
 374             *pdwOutputBytes = adss.cbDstLength;
 375             break;
 376         }
 377     }
 378     TRACE("=> (%d) [%lu]\n", ret, *pdwOutputBytes);
 379     return ret;
 380 }
 381
 382 /***********************************************************************
 383  *           acmStreamUnprepareHeader (MSACM32.@)
 384  */
 385 MMRESULT WINAPI acmStreamUnprepareHeader(HACMSTREAM has, PACMSTREAMHEADER pash,
 386                                          DWORD fdwUnprepare)
 387 {
 388     PWINE_ACMSTREAM     was;
 389     MMRESULT            ret = MMSYSERR_NOERROR;
 390     PACMDRVSTREAMHEADER padsh;
 391
 392     TRACE("(0x%08x, %p, %ld)\n", has, pash, fdwUnprepare);
 393
 394     if ((was = ACM_GetStream(has)) == NULL)
 395         return MMSYSERR_INVALHANDLE;
 396     if (!pash || pash->cbStruct < sizeof(ACMSTREAMHEADER))
 397         return MMSYSERR_INVALPARAM;
 398
 399     if (!(pash->fdwStatus & ACMSTREAMHEADER_STATUSF_PREPARED))
 400         return ACMERR_UNPREPARED;
 401
 402     /* Note: the ACMSTREAMHEADER and ACMDRVSTREAMHEADER structs are of same
 403      * size. some fields are private to msacm internals, and are exposed
 404      * in ACMSTREAMHEADER in the dwReservedDriver array
 405      */
 406     padsh = (PACMDRVSTREAMHEADER)pash;
 407
 408     /* check that pointers have not been modified */
 409     if (padsh->pbPreparedSrc != padsh->pbSrc ||
 410         padsh->cbPreparedSrcLength < padsh->cbSrcLength ||
 411         padsh->pbPreparedDst != padsh->pbDst ||
 412         padsh->cbPreparedDstLength < padsh->cbDstLength) {
 413         return MMSYSERR_INVALPARAM;
 414     }
 415
 416     padsh->fdwConvert = fdwUnprepare;
 417
 418     ret = SendDriverMessage(was->pDrv->hDrvr, ACMDM_STREAM_UNPREPARE, (DWORD)&was->drvInst, (DWORD)padsh);
 419     if (ret == MMSYSERR_NOERROR || ret == MMSYSERR_NOTSUPPORTED) {
 420         ret = MMSYSERR_NOERROR;
 421         padsh->fdwStatus &= ~(ACMSTREAMHEADER_STATUSF_DONE|ACMSTREAMHEADER_STATUSF_INQUEUE|ACMSTREAMHEADER_STATUSF_PREPARED);
 422     }
 423     TRACE("=> (%d)\n", ret);
 424     return ret;
 425 }