dlls/msacm32/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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 <stdarg.h>
  32 #include <string.h>
  33 #include "windef.h"
  34 #include "winbase.h"
  35 #include "winerror.h"
  36 #include "wine/debug.h"
  37 #include "mmsystem.h"
  38 #define NOBITMAP
  39 #include "mmreg.h"
  40 #include "msacm.h"
  41 #include "msacmdrv.h"
  42 #include "wineacm.h"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(msacm);
  45
  46 static PWINE_ACMSTREAM  ACM_GetStream(HACMSTREAM has)
  47 {
  48     TRACE("(%p)\n", has);
  49
  50     return (PWINE_ACMSTREAM)has;
  51 }
  52
  53 /***********************************************************************
  54  *           acmStreamClose (MSACM32.@)
  55  */
  56 MMRESULT WINAPI acmStreamClose(HACMSTREAM has, DWORD fdwClose)
  57 {
  58     PWINE_ACMSTREAM     was;
  59     MMRESULT            ret;
  60
  61     TRACE("(%p, %d)\n", has, fdwClose);
  62
  63     if ((was = ACM_GetStream(has)) == NULL) {
  64         WARN("invalid handle\n");
  65         return MMSYSERR_INVALHANDLE;
  66     }
  67     ret = MSACM_Message((HACMDRIVER)was->pDrv, ACMDM_STREAM_CLOSE, (LPARAM)&was->drvInst, 0);
  68     if (ret == MMSYSERR_NOERROR) {
  69         if (was->hAcmDriver)
  70             acmDriverClose(was->hAcmDriver, 0L);
  71         HeapFree(MSACM_hHeap, 0, was);
  72     }
  73     TRACE("=> (%d)\n", ret);
  74     return ret;
  75 }
  76
  77 /***********************************************************************
  78  *           acmStreamConvert (MSACM32.@)
  79  */
  80 MMRESULT WINAPI acmStreamConvert(HACMSTREAM has, PACMSTREAMHEADER pash,
  81                                  DWORD fdwConvert)
  82 {
  83     PWINE_ACMSTREAM     was;
  84     MMRESULT            ret = MMSYSERR_NOERROR;
  85     PACMDRVSTREAMHEADER padsh;
  86
  87     TRACE("(%p, %p, %d)\n", has, pash, fdwConvert);
  88
  89     if ((was = ACM_GetStream(has)) == NULL) {
  90         WARN("invalid handle\n");
  91         return MMSYSERR_INVALHANDLE;
  92     }
  93     if (!pash || pash->cbStruct < sizeof(ACMSTREAMHEADER)) {
  94         WARN("invalid parameter\n");
  95         return MMSYSERR_INVALPARAM;
  96     }
  97     if (!(pash->fdwStatus & ACMSTREAMHEADER_STATUSF_PREPARED)) {
  98         WARN("unprepared header\n");
  99         return ACMERR_UNPREPARED;
 100     }
 101
 102     pash->cbSrcLengthUsed = 0;
 103     pash->cbDstLengthUsed = 0;
 104
 105     /* Note: the ACMSTREAMHEADER and ACMDRVSTREAMHEADER structs are of same
 106      * size. some fields are private to msacm internals, and are exposed
 107      * in ACMSTREAMHEADER in the dwReservedDriver array
 108      */
 109     padsh = (PACMDRVSTREAMHEADER)pash;
 110
 111     /* check that pointers have not been modified */
 112     if (padsh->pbPreparedSrc != padsh->pbSrc ||
 113         padsh->cbPreparedSrcLength < padsh->cbSrcLength ||
 114         padsh->pbPreparedDst != padsh->pbDst ||
 115         padsh->cbPreparedDstLength < padsh->cbDstLength) {
 116         WARN("invalid parameter\n");
 117         return MMSYSERR_INVALPARAM;
 118     }
 119
 120     padsh->fdwConvert = fdwConvert;
 121
 122     ret = MSACM_Message((HACMDRIVER)was->pDrv, ACMDM_STREAM_CONVERT, (LPARAM)&was->drvInst, (LPARAM)padsh);
 123     if (ret == MMSYSERR_NOERROR) {
 124         padsh->fdwStatus |= ACMSTREAMHEADER_STATUSF_DONE;
 125     }
 126     TRACE("=> (%d)\n", ret);
 127     return ret;
 128 }
 129
 130 /***********************************************************************
 131  *           acmStreamMessage (MSACM32.@)
 132  */
 133 MMRESULT WINAPI acmStreamMessage(HACMSTREAM has, UINT uMsg, LPARAM lParam1,
 134                                  LPARAM lParam2)
 135 {
 136     FIXME("(%p, %u, %ld, %ld): stub\n", has, uMsg, lParam1, lParam2);
 137     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 138     return MMSYSERR_ERROR;
 139 }
 140
 141 /***********************************************************************
 142  *           acmStreamOpen (MSACM32.@)
 143  */
 144 MMRESULT WINAPI acmStreamOpen(PHACMSTREAM phas, HACMDRIVER had, PWAVEFORMATEX pwfxSrc,
 145                               PWAVEFORMATEX pwfxDst, PWAVEFILTER pwfltr, DWORD dwCallback,
 146                               DWORD dwInstance, DWORD fdwOpen)
 147 {
 148     PWINE_ACMSTREAM     was;
 149     PWINE_ACMDRIVER     wad;
 150     MMRESULT            ret;
 151     int                 wfxSrcSize;
 152     int                 wfxDstSize;
 153     WAVEFORMATEX        wfxSrc, wfxDst;
 154
 155     TRACE("(%p, %p, %p, %p, %p, %d, %d, %d)\n",
 156           phas, had, pwfxSrc, pwfxDst, pwfltr, dwCallback, dwInstance, fdwOpen);
 157
 158     /* NOTE: pwfxSrc and/or pwfxDst can point to a structure smaller than
 159      * WAVEFORMATEX so don't use them directly when not sure */
 160     if (pwfxSrc->wFormatTag == WAVE_FORMAT_PCM) {
 161         memcpy(&wfxSrc, pwfxSrc, sizeof(PCMWAVEFORMAT));
 162         wfxSrc.wBitsPerSample = pwfxSrc->wBitsPerSample;
 163         wfxSrc.cbSize = 0;
 164         pwfxSrc = &wfxSrc;
 165     }
 166
 167     if (pwfxDst->wFormatTag == WAVE_FORMAT_PCM) {
 168         memcpy(&wfxDst, pwfxDst, sizeof(PCMWAVEFORMAT));
 169         wfxDst.wBitsPerSample = pwfxDst->wBitsPerSample;
 170         wfxDst.cbSize = 0;
 171         pwfxDst = &wfxDst;
 172     }
 173
 174     TRACE("src [wFormatTag=%u, nChannels=%u, nSamplesPerSec=%u, nAvgBytesPerSec=%u, nBlockAlign=%u, wBitsPerSample=%u, cbSize=%u]\n",
 175           pwfxSrc->wFormatTag, pwfxSrc->nChannels, pwfxSrc->nSamplesPerSec, pwfxSrc->nAvgBytesPerSec,
 176           pwfxSrc->nBlockAlign, pwfxSrc->wBitsPerSample, pwfxSrc->cbSize);
 177
 178     TRACE("dst [wFormatTag=%u, nChannels=%u, nSamplesPerSec=%u, nAvgBytesPerSec=%u, nBlockAlign=%u, wBitsPerSample=%u, cbSize=%u]\n",
 179           pwfxDst->wFormatTag, pwfxDst->nChannels, pwfxDst->nSamplesPerSec, pwfxDst->nAvgBytesPerSec,
 180           pwfxDst->nBlockAlign, pwfxDst->wBitsPerSample, pwfxDst->cbSize);
 181
 182     /* (WS) In query mode, phas should be NULL. If it is not, then instead
 183      * of returning an error we are making sure it is NULL, preventing some
 184      * applications that pass garbage for phas from crashing.
 185      */
 186     if (fdwOpen & ACM_STREAMOPENF_QUERY) phas = NULL;
 187
 188     if (pwfltr && (pwfxSrc->wFormatTag != pwfxDst->wFormatTag)) {
 189         WARN("invalid parameter\n");
 190         return MMSYSERR_INVALPARAM;
 191     }
 192
 193     wfxSrcSize = wfxDstSize = sizeof(WAVEFORMATEX);
 194     if (pwfxSrc->wFormatTag != WAVE_FORMAT_PCM) wfxSrcSize += pwfxSrc->cbSize;
 195     if (pwfxDst->wFormatTag != WAVE_FORMAT_PCM) wfxDstSize += pwfxDst->cbSize;
 196
 197     was = HeapAlloc(MSACM_hHeap, 0, sizeof(*was) + wfxSrcSize + wfxDstSize +
 198                     ((pwfltr) ? sizeof(WAVEFILTER) : 0));
 199     if (was == NULL) {
 200         WARN("no memory\n");
 201         return MMSYSERR_NOMEM;
 202     }
 203
 204     was->drvInst.cbStruct = sizeof(was->drvInst);
 205     was->drvInst.pwfxSrc = (PWAVEFORMATEX)((LPSTR)was + sizeof(*was));
 206     memcpy(was->drvInst.pwfxSrc, pwfxSrc, wfxSrcSize);
 207     was->drvInst.pwfxDst = (PWAVEFORMATEX)((LPSTR)was + sizeof(*was) + wfxSrcSize);
 208     memcpy(was->drvInst.pwfxDst, pwfxDst, wfxDstSize);
 209     if (pwfltr) {
 210         was->drvInst.pwfltr = (PWAVEFILTER)((LPSTR)was + sizeof(*was) + wfxSrcSize + wfxDstSize);
 211         memcpy(was->drvInst.pwfltr, pwfltr, sizeof(WAVEFILTER));
 212     } else {
 213         was->drvInst.pwfltr = NULL;
 214     }
 215     was->drvInst.dwCallback = dwCallback;
 216     was->drvInst.dwInstance = dwInstance;
 217     was->drvInst.fdwOpen = fdwOpen;
 218     was->drvInst.fdwDriver = 0L;
 219     was->drvInst.dwDriver = 0L;
 220     /* real value will be stored once ACMDM_STREAM_OPEN succeeds */
 221     was->drvInst.has = 0L;
 222
 223     if (had) {
 224         if (!(wad = MSACM_GetDriver(had))) {
 225             ret = MMSYSERR_INVALPARAM;
 226             goto errCleanUp;
 227         }
 228
 229         was->obj.dwType = WINE_ACMOBJ_STREAM;
 230         was->obj.pACMDriverID = wad->obj.pACMDriverID;
 231         was->pDrv = wad;
 232         was->hAcmDriver = 0; /* not to close it in acmStreamClose */
 233
 234         ret = MSACM_Message((HACMDRIVER)wad, ACMDM_STREAM_OPEN, (LPARAM)&was->drvInst, 0L);
 235         if (ret != MMSYSERR_NOERROR)
 236             goto errCleanUp;
 237     } else {
 238         PWINE_ACMDRIVERID wadi;
 239
 240         ret = ACMERR_NOTPOSSIBLE;
 241         for (wadi = MSACM_pFirstACMDriverID; wadi; wadi = wadi->pNextACMDriverID) {
 242             if ((wadi->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) ||
 243                 !MSACM_FindFormatTagInCache(wadi, pwfxSrc->wFormatTag, NULL) ||
 244                 !MSACM_FindFormatTagInCache(wadi, pwfxDst->wFormatTag, NULL))
 245                 continue;
 246             ret = acmDriverOpen(&had, (HACMDRIVERID)wadi, 0L);
 247             if (ret != MMSYSERR_NOERROR)
 248                 continue;
 249             if ((wad = MSACM_GetDriver(had)) != 0) {
 250                 was->obj.dwType = WINE_ACMOBJ_STREAM;
 251                 was->obj.pACMDriverID = wad->obj.pACMDriverID;
 252                 was->pDrv = wad;
 253                 was->hAcmDriver = had;
 254
 255                 ret = MSACM_Message((HACMDRIVER)wad, ACMDM_STREAM_OPEN, (LPARAM)&was->drvInst, 0L);
 256                 TRACE("%s => %08x\n", debugstr_w(wadi->pszDriverAlias), ret);
 257                 if (ret == MMSYSERR_NOERROR) {
 258                     if (fdwOpen & ACM_STREAMOPENF_QUERY) {
 259                         acmDriverClose(had, 0L);
 260                     }
 261                     break;
 262                 }
 263             }
 264             /* no match, close this acm driver and try next one */
 265             acmDriverClose(had, 0L);
 266         }
 267         if (ret != MMSYSERR_NOERROR) {
 268             ret = ACMERR_NOTPOSSIBLE;
 269             goto errCleanUp;
 270         }
 271     }
 272     ret = MMSYSERR_NOERROR;
 273     was->drvInst.has = (HACMSTREAM)was;
 274     if (!(fdwOpen & ACM_STREAMOPENF_QUERY)) {
 275         if (phas)
 276             *phas = (HACMSTREAM)was;
 277         TRACE("=> (%d)\n", ret);
 278         return ret;
 279     }
 280 errCleanUp:
 281     if (phas)
 282         *phas = NULL;
 283     HeapFree(MSACM_hHeap, 0, was);
 284     TRACE("=> (%d)\n", ret);
 285     return ret;
 286 }
 287
 288
 289 /***********************************************************************
 290  *           acmStreamPrepareHeader (MSACM32.@)
 291  */
 292 MMRESULT WINAPI acmStreamPrepareHeader(HACMSTREAM has, PACMSTREAMHEADER pash,
 293                                        DWORD fdwPrepare)
 294 {
 295     PWINE_ACMSTREAM     was;
 296     MMRESULT            ret = MMSYSERR_NOERROR;
 297     PACMDRVSTREAMHEADER padsh;
 298
 299     TRACE("(%p, %p, %d)\n", has, pash, fdwPrepare);
 300
 301     if ((was = ACM_GetStream(has)) == NULL) {
 302         WARN("invalid handle\n");
 303         return MMSYSERR_INVALHANDLE;
 304     }
 305     if (!pash || pash->cbStruct < sizeof(ACMSTREAMHEADER)) {
 306         WARN("invalid parameter\n");
 307         return MMSYSERR_INVALPARAM;
 308     }
 309     if (fdwPrepare)
 310         ret = MMSYSERR_INVALFLAG;
 311
 312     if (pash->fdwStatus & ACMSTREAMHEADER_STATUSF_DONE)
 313         return MMSYSERR_NOERROR;
 314
 315     /* Note: the ACMSTREAMHEADER and ACMDRVSTREAMHEADER structs are of same
 316      * size. some fields are private to msacm internals, and are exposed
 317      * in ACMSTREAMHEADER in the dwReservedDriver array
 318      */
 319     padsh = (PACMDRVSTREAMHEADER)pash;
 320
 321     padsh->fdwConvert = fdwPrepare;
 322     padsh->padshNext = NULL;
 323     padsh->fdwDriver = padsh->dwDriver = 0L;
 324
 325     padsh->fdwPrepared = 0;
 326     padsh->dwPrepared = 0;
 327     padsh->pbPreparedSrc = 0;
 328     padsh->cbPreparedSrcLength = 0;
 329     padsh->pbPreparedDst = 0;
 330     padsh->cbPreparedDstLength = 0;
 331
 332     ret = MSACM_Message((HACMDRIVER)was->pDrv, ACMDM_STREAM_PREPARE, (LPARAM)&was->drvInst, (DWORD)padsh);
 333     if (ret == MMSYSERR_NOERROR || ret == MMSYSERR_NOTSUPPORTED) {
 334         ret = MMSYSERR_NOERROR;
 335         padsh->fdwStatus &= ~(ACMSTREAMHEADER_STATUSF_DONE|ACMSTREAMHEADER_STATUSF_INQUEUE);
 336         padsh->fdwStatus |= ACMSTREAMHEADER_STATUSF_PREPARED;
 337         padsh->fdwPrepared = padsh->fdwStatus;
 338         padsh->dwPrepared = 0;
 339         padsh->pbPreparedSrc = padsh->pbSrc;
 340         padsh->cbPreparedSrcLength = padsh->cbSrcLength;
 341         padsh->pbPreparedDst = padsh->pbDst;
 342         padsh->cbPreparedDstLength = padsh->cbDstLength;
 343     } else {
 344         padsh->fdwPrepared = 0;
 345         padsh->dwPrepared = 0;
 346         padsh->pbPreparedSrc = 0;
 347         padsh->cbPreparedSrcLength = 0;
 348         padsh->pbPreparedDst = 0;
 349         padsh->cbPreparedDstLength = 0;
 350     }
 351     TRACE("=> (%d)\n", ret);
 352     return ret;
 353 }
 354
 355 /***********************************************************************
 356  *           acmStreamReset (MSACM32.@)
 357  */
 358 MMRESULT WINAPI acmStreamReset(HACMSTREAM has, DWORD fdwReset)
 359 {
 360     PWINE_ACMSTREAM     was;
 361     MMRESULT            ret = MMSYSERR_NOERROR;
 362
 363     TRACE("(%p, %d)\n", has, fdwReset);
 364
 365     if (fdwReset) {
 366         WARN("invalid flag\n");
 367         ret = MMSYSERR_INVALFLAG;
 368     } else if ((was = ACM_GetStream(has)) == NULL) {
 369         WARN("invalid handle\n");
 370         return MMSYSERR_INVALHANDLE;
 371     } else if (was->drvInst.fdwOpen & ACM_STREAMOPENF_ASYNC) {
 372         ret = MSACM_Message((HACMDRIVER)was->pDrv, ACMDM_STREAM_RESET, (LPARAM)&was->drvInst, 0);
 373     }
 374     TRACE("=> (%d)\n", ret);
 375     return ret;
 376 }
 377
 378 /***********************************************************************
 379  *           acmStreamSize (MSACM32.@)
 380  */
 381 MMRESULT WINAPI acmStreamSize(HACMSTREAM has, DWORD cbInput,
 382                               LPDWORD pdwOutputBytes, DWORD fdwSize)
 383 {
 384     PWINE_ACMSTREAM     was;
 385     ACMDRVSTREAMSIZE    adss;
 386     MMRESULT            ret;
 387
 388     TRACE("(%p, %d, %p, %d)\n", has, cbInput, pdwOutputBytes, fdwSize);
 389
 390     if ((was = ACM_GetStream(has)) == NULL) {
 391         WARN("invalid handle\n");
 392         return MMSYSERR_INVALHANDLE;
 393     }
 394     if ((fdwSize & ~ACM_STREAMSIZEF_QUERYMASK) != 0) {
 395         WARN("invalid flag\n");
 396         return MMSYSERR_INVALFLAG;
 397     }
 398
 399     *pdwOutputBytes = 0L;
 400
 401     switch (fdwSize & ACM_STREAMSIZEF_QUERYMASK) {
 402     case ACM_STREAMSIZEF_DESTINATION:
 403         adss.cbDstLength = cbInput;
 404         adss.cbSrcLength = 0;
 405         break;
 406     case ACM_STREAMSIZEF_SOURCE:
 407         adss.cbSrcLength = cbInput;
 408         adss.cbDstLength = 0;
 409         break;
 410     default:
 411         WARN("invalid flag\n");
 412         return MMSYSERR_INVALFLAG;
 413     }
 414
 415     adss.cbStruct = sizeof(adss);
 416     adss.fdwSize = fdwSize;
 417     ret = MSACM_Message((HACMDRIVER)was->pDrv, ACMDM_STREAM_SIZE,
 418                             (LPARAM)&was->drvInst, (LPARAM)&adss);
 419     if (ret == MMSYSERR_NOERROR) {
 420         switch (fdwSize & ACM_STREAMSIZEF_QUERYMASK) {
 421         case ACM_STREAMSIZEF_DESTINATION:
 422             *pdwOutputBytes = adss.cbSrcLength;
 423             break;
 424         case ACM_STREAMSIZEF_SOURCE:
 425             *pdwOutputBytes = adss.cbDstLength;
 426             break;
 427         }
 428     }
 429     TRACE("=> (%d) [%u]\n", ret, *pdwOutputBytes);
 430     return ret;
 431 }
 432
 433 /***********************************************************************
 434  *           acmStreamUnprepareHeader (MSACM32.@)
 435  */
 436 MMRESULT WINAPI acmStreamUnprepareHeader(HACMSTREAM has, PACMSTREAMHEADER pash,
 437                                          DWORD fdwUnprepare)
 438 {
 439     PWINE_ACMSTREAM     was;
 440     MMRESULT            ret = MMSYSERR_NOERROR;
 441     PACMDRVSTREAMHEADER padsh;
 442
 443     TRACE("(%p, %p, %d)\n", has, pash, fdwUnprepare);
 444
 445     if ((was = ACM_GetStream(has)) == NULL) {
 446         WARN("invalid handle\n");
 447         return MMSYSERR_INVALHANDLE;
 448     }
 449     if (!pash || pash->cbStruct < sizeof(ACMSTREAMHEADER)) {
 450         WARN("invalid parameter\n");
 451         return MMSYSERR_INVALPARAM;
 452     }
 453     if (!(pash->fdwStatus & ACMSTREAMHEADER_STATUSF_PREPARED)) {
 454         WARN("unprepared header\n");
 455         return ACMERR_UNPREPARED;
 456     }
 457
 458     /* Note: the ACMSTREAMHEADER and ACMDRVSTREAMHEADER structs are of same
 459      * size. some fields are private to msacm internals, and are exposed
 460      * in ACMSTREAMHEADER in the dwReservedDriver array
 461      */
 462     padsh = (PACMDRVSTREAMHEADER)pash;
 463
 464     /* check that pointers have not been modified */
 465     if (padsh->pbPreparedSrc != padsh->pbSrc ||
 466         padsh->cbPreparedSrcLength < padsh->cbSrcLength ||
 467         padsh->pbPreparedDst != padsh->pbDst ||
 468         padsh->cbPreparedDstLength < padsh->cbDstLength) {
 469         WARN("invalid parameter\n");
 470         return MMSYSERR_INVALPARAM;
 471     }
 472
 473     padsh->fdwConvert = fdwUnprepare;
 474
 475     ret = MSACM_Message((HACMDRIVER)was->pDrv, ACMDM_STREAM_UNPREPARE, (LPARAM)&was->drvInst, (LPARAM)padsh);
 476     if (ret == MMSYSERR_NOERROR || ret == MMSYSERR_NOTSUPPORTED) {
 477         ret = MMSYSERR_NOERROR;
 478         padsh->fdwStatus &= ~(ACMSTREAMHEADER_STATUSF_DONE|ACMSTREAMHEADER_STATUSF_INQUEUE|ACMSTREAMHEADER_STATUSF_PREPARED);
 479     }
 480     TRACE("=> (%d)\n", ret);
 481     return ret;
 482 }