dll/win32/mciavi32/mmoutput.c

   1 /*
   2  * Digital video MCI Wine Driver
   3  *
   4  * Copyright 1999, 2000 Eric POUECH
   5  * Copyright 2003 Dmitry Timoshkov
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "private_mciavi.h"
  23
  24 static BOOL MCIAVI_GetInfoAudio(WINE_MCIAVI* wma, const MMCKINFO* mmckList, MMCKINFO *mmckStream)
  25 {
  26     MMCKINFO    mmckInfo;
  27
  28     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(wma->ash_audio.fccType)),
  29                                                 HIBYTE(LOWORD(wma->ash_audio.fccType)),
  30                                                 LOBYTE(HIWORD(wma->ash_audio.fccType)),
  31                                                 HIBYTE(HIWORD(wma->ash_audio.fccType)));
  32     if (wma->ash_audio.fccHandler) /* not all streams specify a handler */
  33         TRACE("ash.fccHandler='%c%c%c%c'\n",    LOBYTE(LOWORD(wma->ash_audio.fccHandler)),
  34                                                 HIBYTE(LOWORD(wma->ash_audio.fccHandler)),
  35                                                 LOBYTE(HIWORD(wma->ash_audio.fccHandler)),
  36                                                 HIBYTE(HIWORD(wma->ash_audio.fccHandler)));
  37     else
  38         TRACE("ash.fccHandler=0, no handler specified\n");
  39     TRACE("ash.dwFlags=%d\n",                   wma->ash_audio.dwFlags);
  40     TRACE("ash.wPriority=%d\n",                 wma->ash_audio.wPriority);
  41     TRACE("ash.wLanguage=%d\n",                 wma->ash_audio.wLanguage);
  42     TRACE("ash.dwInitialFrames=%d\n",           wma->ash_audio.dwInitialFrames);
  43     TRACE("ash.dwScale=%d\n",                   wma->ash_audio.dwScale);
  44     TRACE("ash.dwRate=%d\n",                    wma->ash_audio.dwRate);
  45     TRACE("ash.dwStart=%d\n",                   wma->ash_audio.dwStart);
  46     TRACE("ash.dwLength=%d\n",          wma->ash_audio.dwLength);
  47     TRACE("ash.dwSuggestedBufferSize=%d\n",     wma->ash_audio.dwSuggestedBufferSize);
  48     TRACE("ash.dwQuality=%d\n",                 wma->ash_audio.dwQuality);
  49     TRACE("ash.dwSampleSize=%d\n",              wma->ash_audio.dwSampleSize);
  50     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        wma->ash_audio.rcFrame.top, wma->ash_audio.rcFrame.left,
  51           wma->ash_audio.rcFrame.bottom, wma->ash_audio.rcFrame.right);
  52
  53     /* rewind to the start of the stream */
  54     mmioAscend(wma->hFile, mmckStream, 0);
  55
  56     mmckInfo.ckid = ckidSTREAMFORMAT;
  57     if (mmioDescend(wma->hFile, &mmckInfo, mmckList, MMIO_FINDCHUNK) != 0) {
  58        WARN("Can't find 'strf' chunk\n");
  59         return FALSE;
  60     }
  61     if (mmckInfo.cksize < sizeof(WAVEFORMAT)) {
  62         WARN("Size of strf chunk (%d) < audio format struct\n", mmckInfo.cksize);
  63         return FALSE;
  64     }
  65     wma->lpWaveFormat = HeapAlloc(GetProcessHeap(), 0, mmckInfo.cksize);
  66     if (!wma->lpWaveFormat) {
  67         WARN("Can't alloc WaveFormat\n");
  68         return FALSE;
  69     }
  70
  71     mmioRead(wma->hFile, (LPSTR)wma->lpWaveFormat, mmckInfo.cksize);
  72
  73     TRACE("waveFormat.wFormatTag=%d\n",         wma->lpWaveFormat->wFormatTag);
  74     TRACE("waveFormat.nChannels=%d\n",          wma->lpWaveFormat->nChannels);
  75     TRACE("waveFormat.nSamplesPerSec=%d\n",     wma->lpWaveFormat->nSamplesPerSec);
  76     TRACE("waveFormat.nAvgBytesPerSec=%d\n",    wma->lpWaveFormat->nAvgBytesPerSec);
  77     TRACE("waveFormat.nBlockAlign=%d\n",        wma->lpWaveFormat->nBlockAlign);
  78     TRACE("waveFormat.wBitsPerSample=%d\n",     wma->lpWaveFormat->wBitsPerSample);
  79     if (mmckInfo.cksize >= sizeof(WAVEFORMATEX))
  80         TRACE("waveFormat.cbSize=%d\n",                 wma->lpWaveFormat->cbSize);
  81
  82     return TRUE;
  83 }
  84
  85 static BOOL MCIAVI_GetInfoVideo(WINE_MCIAVI* wma, const MMCKINFO* mmckList, MMCKINFO* mmckStream)
  86 {
  87     MMCKINFO    mmckInfo;
  88
  89     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(wma->ash_video.fccType)),
  90                                                 HIBYTE(LOWORD(wma->ash_video.fccType)),
  91                                                 LOBYTE(HIWORD(wma->ash_video.fccType)),
  92                                                 HIBYTE(HIWORD(wma->ash_video.fccType)));
  93     TRACE("ash.fccHandler='%c%c%c%c'\n",        LOBYTE(LOWORD(wma->ash_video.fccHandler)),
  94                                                 HIBYTE(LOWORD(wma->ash_video.fccHandler)),
  95                                                 LOBYTE(HIWORD(wma->ash_video.fccHandler)),
  96                                                 HIBYTE(HIWORD(wma->ash_video.fccHandler)));
  97     TRACE("ash.dwFlags=%d\n",                   wma->ash_video.dwFlags);
  98     TRACE("ash.wPriority=%d\n",                 wma->ash_video.wPriority);
  99     TRACE("ash.wLanguage=%d\n",                 wma->ash_video.wLanguage);
 100     TRACE("ash.dwInitialFrames=%d\n",           wma->ash_video.dwInitialFrames);
 101     TRACE("ash.dwScale=%d\n",                   wma->ash_video.dwScale);
 102     TRACE("ash.dwRate=%d\n",                    wma->ash_video.dwRate);
 103     TRACE("ash.dwStart=%d\n",                   wma->ash_video.dwStart);
 104     TRACE("ash.dwLength=%d\n",          wma->ash_video.dwLength);
 105     TRACE("ash.dwSuggestedBufferSize=%d\n",     wma->ash_video.dwSuggestedBufferSize);
 106     TRACE("ash.dwQuality=%d\n",                 wma->ash_video.dwQuality);
 107     TRACE("ash.dwSampleSize=%d\n",              wma->ash_video.dwSampleSize);
 108     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        wma->ash_video.rcFrame.top, wma->ash_video.rcFrame.left,
 109           wma->ash_video.rcFrame.bottom, wma->ash_video.rcFrame.right);
 110
 111     /* rewind to the start of the stream */
 112     mmioAscend(wma->hFile, mmckStream, 0);
 113
 114     mmckInfo.ckid = ckidSTREAMFORMAT;
 115     if (mmioDescend(wma->hFile, &mmckInfo, mmckList, MMIO_FINDCHUNK) != 0) {
 116        WARN("Can't find 'strf' chunk\n");
 117         return FALSE;
 118     }
 119
 120     wma->inbih = HeapAlloc(GetProcessHeap(), 0, mmckInfo.cksize);
 121     if (!wma->inbih) {
 122         WARN("Can't alloc input BIH\n");
 123         return FALSE;
 124     }
 125
 126     mmioRead(wma->hFile, (LPSTR)wma->inbih, mmckInfo.cksize);
 127
 128     TRACE("bih.biSize=%d\n",            wma->inbih->biSize);
 129     TRACE("bih.biWidth=%d\n",           wma->inbih->biWidth);
 130     TRACE("bih.biHeight=%d\n",  wma->inbih->biHeight);
 131     TRACE("bih.biPlanes=%d\n",          wma->inbih->biPlanes);
 132     TRACE("bih.biBitCount=%d\n",        wma->inbih->biBitCount);
 133     TRACE("bih.biCompression=%x\n",     wma->inbih->biCompression);
 134     TRACE("bih.biSizeImage=%d\n",       wma->inbih->biSizeImage);
 135     TRACE("bih.biXPelsPerMeter=%d\n",   wma->inbih->biXPelsPerMeter);
 136     TRACE("bih.biYPelsPerMeter=%d\n",   wma->inbih->biYPelsPerMeter);
 137     TRACE("bih.biClrUsed=%d\n",         wma->inbih->biClrUsed);
 138     TRACE("bih.biClrImportant=%d\n",    wma->inbih->biClrImportant);
 139
 140     wma->source.left = 0;
 141     wma->source.top = 0;
 142     wma->source.right = wma->inbih->biWidth;
 143     wma->source.bottom = wma->inbih->biHeight;
 144
 145     wma->dest = wma->source;
 146
 147     return TRUE;
 148 }
 149
 150 struct AviListBuild {
 151     DWORD       numVideoFrames;
 152     DWORD       numAudioAllocated;
 153     DWORD       numAudioBlocks;
 154     DWORD       inVideoSize;
 155     DWORD       inAudioSize;
 156 };
 157
 158 static BOOL     MCIAVI_AddFrame(WINE_MCIAVI* wma, LPMMCKINFO mmck,
 159                                 struct AviListBuild* alb)
 160 {
 161     const BYTE *p;
 162     DWORD stream_n;
 163     DWORD twocc;
 164
 165     if (mmck->ckid == ckidAVIPADDING) return TRUE;
 166
 167     p = (const BYTE *)&mmck->ckid;
 168
 169     if (!isxdigit(p[0]) || !isxdigit(p[1]))
 170     {
 171         WARN("wrongly encoded stream #\n");
 172         return FALSE;
 173     }
 174
 175     stream_n = (p[0] <= '9') ? (p[0] - '0') : (tolower(p[0]) - 'a' + 10);
 176     stream_n <<= 4;
 177     stream_n |= (p[1] <= '9') ? (p[1] - '0') : (tolower(p[1]) - 'a' + 10);
 178
 179     TRACE("ckid %4.4s (stream #%d)\n", (LPSTR)&mmck->ckid, stream_n);
 180
 181     /* Some (rare?) AVI files have video streams name XXYY where XX = stream number and YY = TWOCC
 182      * of the last 2 characters of the biCompression member of the BITMAPINFOHEADER structure.
 183      * Ex: fccHandler = IV32 & biCompression = IV32 => stream name = XX32
 184      *     fccHandler = MSVC & biCompression = CRAM => stream name = XXAM
 185      * Another possibility is that these TWOCC are simply ignored.
 186      * Default to cktypeDIBcompressed when this case happens.
 187      */
 188     twocc = TWOCCFromFOURCC(mmck->ckid);
 189     if (twocc == TWOCCFromFOURCC(wma->inbih->biCompression))
 190         twocc = cktypeDIBcompressed;
 191
 192     switch (twocc) {
 193     case cktypeDIBbits:
 194     case cktypeDIBcompressed:
 195     case cktypePALchange:
 196         if (stream_n != wma->video_stream_n)
 197         {
 198             TRACE("data belongs to another video stream #%d\n", stream_n);
 199             return FALSE;
 200         }
 201
 202         TRACE("Adding video frame[%d]: %d bytes\n",
 203               alb->numVideoFrames, mmck->cksize);
 204
 205         if (alb->numVideoFrames < wma->dwPlayableVideoFrames) {
 206             wma->lpVideoIndex[alb->numVideoFrames].dwOffset = mmck->dwDataOffset;
 207             wma->lpVideoIndex[alb->numVideoFrames].dwSize = mmck->cksize;
 208             if (alb->inVideoSize < mmck->cksize)
 209                 alb->inVideoSize = mmck->cksize;
 210             alb->numVideoFrames++;
 211         } else {
 212             WARN("Too many video frames\n");
 213         }
 214         break;
 215     case cktypeWAVEbytes:
 216         if (stream_n != wma->audio_stream_n)
 217         {
 218             TRACE("data belongs to another audio stream #%d\n", stream_n);
 219             return FALSE;
 220         }
 221
 222         TRACE("Adding audio frame[%d]: %d bytes\n",
 223               alb->numAudioBlocks, mmck->cksize);
 224         if (wma->lpWaveFormat) {
 225             if (alb->numAudioBlocks >= alb->numAudioAllocated) {
 226                 alb->numAudioAllocated += 32;
 227                 if (!wma->lpAudioIndex)
 228                     wma->lpAudioIndex = HeapAlloc(GetProcessHeap(), 0,
 229                                                   alb->numAudioAllocated * sizeof(struct MMIOPos));
 230                 else
 231                     wma->lpAudioIndex = HeapReAlloc(GetProcessHeap(), 0, wma->lpAudioIndex,
 232                                                     alb->numAudioAllocated * sizeof(struct MMIOPos));
 233                 if (!wma->lpAudioIndex) return FALSE;
 234             }
 235             wma->lpAudioIndex[alb->numAudioBlocks].dwOffset = mmck->dwDataOffset;
 236             wma->lpAudioIndex[alb->numAudioBlocks].dwSize = mmck->cksize;
 237             if (alb->inAudioSize < mmck->cksize)
 238                 alb->inAudioSize = mmck->cksize;
 239             alb->numAudioBlocks++;
 240         } else {
 241             WARN("Wave chunk without wave format... discarding\n");
 242         }
 243         break;
 244     default:
 245         WARN("Unknown frame type %4.4s\n", (LPSTR)&mmck->ckid);
 246         break;
 247     }
 248     return TRUE;
 249 }
 250
 251 BOOL MCIAVI_GetInfo(WINE_MCIAVI* wma)
 252 {
 253     MMCKINFO            ckMainRIFF;
 254     MMCKINFO            mmckHead;
 255     MMCKINFO            mmckList;
 256     MMCKINFO            mmckInfo;
 257     AVIStreamHeader strh;
 258     struct AviListBuild alb;
 259     DWORD stream_n;
 260
 261     if (mmioDescend(wma->hFile, &ckMainRIFF, NULL, 0) != 0) {
 262         WARN("Can't find 'RIFF' chunk\n");
 263         return FALSE;
 264     }
 265
 266     if ((ckMainRIFF.ckid != FOURCC_RIFF) || (ckMainRIFF.fccType != formtypeAVI)) {
 267         WARN("Can't find 'AVI ' chunk\n");
 268         return FALSE;
 269     }
 270
 271     mmckHead.fccType = listtypeAVIHEADER;
 272     if (mmioDescend(wma->hFile, &mmckHead, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 273         WARN("Can't find 'hdrl' list\n");
 274         return FALSE;
 275     }
 276
 277     mmckInfo.ckid = ckidAVIMAINHDR;
 278     if (mmioDescend(wma->hFile, &mmckInfo, &mmckHead, MMIO_FINDCHUNK) != 0) {
 279         WARN("Can't find 'avih' chunk\n");
 280         return FALSE;
 281     }
 282
 283     mmioRead(wma->hFile, (LPSTR)&wma->mah, sizeof(wma->mah));
 284
 285     TRACE("mah.dwMicroSecPerFrame=%d\n",        wma->mah.dwMicroSecPerFrame);
 286     TRACE("mah.dwMaxBytesPerSec=%d\n",  wma->mah.dwMaxBytesPerSec);
 287     TRACE("mah.dwPaddingGranularity=%d\n",      wma->mah.dwPaddingGranularity);
 288     TRACE("mah.dwFlags=%d\n",                   wma->mah.dwFlags);
 289     TRACE("mah.dwTotalFrames=%d\n",             wma->mah.dwTotalFrames);
 290     TRACE("mah.dwInitialFrames=%d\n",           wma->mah.dwInitialFrames);
 291     TRACE("mah.dwStreams=%d\n",                 wma->mah.dwStreams);
 292     TRACE("mah.dwSuggestedBufferSize=%d\n",     wma->mah.dwSuggestedBufferSize);
 293     TRACE("mah.dwWidth=%d\n",                   wma->mah.dwWidth);
 294     TRACE("mah.dwHeight=%d\n",          wma->mah.dwHeight);
 295
 296     mmioAscend(wma->hFile, &mmckInfo, 0);
 297
 298     TRACE("Start of streams\n");
 299     wma->video_stream_n = 0;
 300     wma->audio_stream_n = 0;
 301
 302     for (stream_n = 0; stream_n < wma->mah.dwStreams; stream_n++)
 303     {
 304         MMCKINFO mmckStream;
 305
 306         mmckList.fccType = listtypeSTREAMHEADER;
 307         if (mmioDescend(wma->hFile, &mmckList, &mmckHead, MMIO_FINDLIST) != 0)
 308             break;
 309
 310         mmckStream.ckid = ckidSTREAMHEADER;
 311         if (mmioDescend(wma->hFile, &mmckStream, &mmckList, MMIO_FINDCHUNK) != 0)
 312         {
 313             WARN("Can't find 'strh' chunk\n");
 314             continue;
 315         }
 316
 317         mmioRead(wma->hFile, (LPSTR)&strh, sizeof(strh));
 318
 319         TRACE("Stream #%d fccType %4.4s\n", stream_n, (LPSTR)&strh.fccType);
 320
 321         if (strh.fccType == streamtypeVIDEO)
 322         {
 323             TRACE("found video stream\n");
 324             if (wma->inbih)
 325                 WARN("ignoring another video stream\n");
 326             else
 327             {
 328                 wma->ash_video = strh;
 329
 330                 if (!MCIAVI_GetInfoVideo(wma, &mmckList, &mmckStream))
 331                     return FALSE;
 332                 wma->video_stream_n = stream_n;
 333                 wma->dwSet |= 4;
 334             }
 335         }
 336         else if (strh.fccType == streamtypeAUDIO)
 337         {
 338             TRACE("found audio stream\n");
 339             if (wma->lpWaveFormat)
 340                 WARN("ignoring another audio stream\n");
 341             else
 342             {
 343                 wma->ash_audio = strh;
 344
 345                 if (!MCIAVI_GetInfoAudio(wma, &mmckList, &mmckStream))
 346                     return FALSE;
 347                 wma->audio_stream_n = stream_n;
 348                 wma->dwSet |= 3;
 349             }
 350         }
 351         else
 352             TRACE("Unsupported stream type %4.4s\n", (LPSTR)&strh.fccType);
 353
 354         mmioAscend(wma->hFile, &mmckList, 0);
 355     }
 356
 357     TRACE("End of streams\n");
 358
 359     mmioAscend(wma->hFile, &mmckHead, 0);
 360
 361     /* no need to read optional JUNK chunk */
 362
 363     mmckList.fccType = listtypeAVIMOVIE;
 364     if (mmioDescend(wma->hFile, &mmckList, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 365         WARN("Can't find 'movi' list\n");
 366         return FALSE;
 367     }
 368
 369     wma->dwPlayableVideoFrames = wma->mah.dwTotalFrames;
 370     wma->lpVideoIndex = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 371                                   wma->dwPlayableVideoFrames * sizeof(struct MMIOPos));
 372     if (!wma->lpVideoIndex) {
 373         WARN("Can't alloc video index array\n");
 374         return FALSE;
 375     }
 376     wma->dwPlayableAudioBlocks = 0;
 377     wma->lpAudioIndex = NULL;
 378
 379     alb.numAudioBlocks = alb.numVideoFrames = 0;
 380     alb.inVideoSize = alb.inAudioSize = 0;
 381     alb.numAudioAllocated = 0;
 382
 383     while (mmioDescend(wma->hFile, &mmckInfo, &mmckList, 0) == 0) {
 384         if (mmckInfo.fccType == listtypeAVIRECORD) {
 385             MMCKINFO    tmp;
 386
 387             while (mmioDescend(wma->hFile, &tmp, &mmckInfo, 0) == 0) {
 388                 MCIAVI_AddFrame(wma, &tmp, &alb);
 389                 mmioAscend(wma->hFile, &tmp, 0);
 390             }
 391         } else {
 392             MCIAVI_AddFrame(wma, &mmckInfo, &alb);
 393         }
 394
 395         mmioAscend(wma->hFile, &mmckInfo, 0);
 396     }
 397     if (alb.numVideoFrames != wma->dwPlayableVideoFrames) {
 398         WARN("Found %d video frames (/%d), reducing playable frames\n",
 399              alb.numVideoFrames, wma->dwPlayableVideoFrames);
 400         wma->dwPlayableVideoFrames = alb.numVideoFrames;
 401     }
 402     wma->dwPlayableAudioBlocks = alb.numAudioBlocks;
 403
 404     if (alb.inVideoSize > wma->ash_video.dwSuggestedBufferSize) {
 405         WARN("inVideoSize=%d suggestedSize=%d\n", alb.inVideoSize, wma->ash_video.dwSuggestedBufferSize);
 406         wma->ash_video.dwSuggestedBufferSize = alb.inVideoSize;
 407     }
 408     if (alb.inAudioSize > wma->ash_audio.dwSuggestedBufferSize) {
 409         WARN("inAudioSize=%d suggestedSize=%d\n", alb.inAudioSize, wma->ash_audio.dwSuggestedBufferSize);
 410         wma->ash_audio.dwSuggestedBufferSize = alb.inAudioSize;
 411     }
 412
 413     wma->indata = HeapAlloc(GetProcessHeap(), 0, wma->ash_video.dwSuggestedBufferSize);
 414     if (!wma->indata) {
 415         WARN("Can't alloc input buffer\n");
 416         return FALSE;
 417     }
 418
 419     return TRUE;
 420 }
 421
 422 BOOL    MCIAVI_OpenVideo(WINE_MCIAVI* wma)
 423 {
 424     HDC hDC;
 425     DWORD       outSize;
 426     FOURCC      fcc = wma->ash_video.fccHandler;
 427
 428     TRACE("fcc %4.4s\n", (LPSTR)&fcc);
 429
 430     wma->dwCachedFrame = -1;
 431
 432     /* get the right handle */
 433     if (fcc == mmioFOURCC('C','R','A','M')) fcc = mmioFOURCC('M','S','V','C');
 434
 435     /* try to get a decompressor for that type */
 436     wma->hic = ICLocate(ICTYPE_VIDEO, fcc, wma->inbih, NULL, ICMODE_DECOMPRESS);
 437     if (!wma->hic) {
 438         /* check for builtin DIB compressions */
 439         fcc = wma->inbih->biCompression;
 440         if ((fcc == mmioFOURCC('D','I','B',' ')) ||
 441             (fcc == mmioFOURCC('R','L','E',' ')) ||
 442             (fcc == BI_RGB) || (fcc == BI_RLE8) ||
 443             (fcc == BI_RLE4) || (fcc == BI_BITFIELDS))
 444             goto paint_frame;
 445
 446         WARN("Can't locate codec for the file\n");
 447         return FALSE;
 448     }
 449
 450     outSize = sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD);
 451
 452     wma->outbih = HeapAlloc(GetProcessHeap(), 0, outSize);
 453     if (!wma->outbih) {
 454         WARN("Can't alloc output BIH\n");
 455         return FALSE;
 456     }
 457     if (!ICGetDisplayFormat(wma->hic, wma->inbih, wma->outbih, 0, 0, 0)) {
 458         WARN("Can't open decompressor\n");
 459         return FALSE;
 460     }
 461
 462     TRACE("bih.biSize=%d\n",            wma->outbih->biSize);
 463     TRACE("bih.biWidth=%d\n",           wma->outbih->biWidth);
 464     TRACE("bih.biHeight=%d\n",  wma->outbih->biHeight);
 465     TRACE("bih.biPlanes=%d\n",          wma->outbih->biPlanes);
 466     TRACE("bih.biBitCount=%d\n",        wma->outbih->biBitCount);
 467     TRACE("bih.biCompression=%x\n",     wma->outbih->biCompression);
 468     TRACE("bih.biSizeImage=%d\n",       wma->outbih->biSizeImage);
 469     TRACE("bih.biXPelsPerMeter=%d\n",   wma->outbih->biXPelsPerMeter);
 470     TRACE("bih.biYPelsPerMeter=%d\n",   wma->outbih->biYPelsPerMeter);
 471     TRACE("bih.biClrUsed=%d\n",         wma->outbih->biClrUsed);
 472     TRACE("bih.biClrImportant=%d\n",    wma->outbih->biClrImportant);
 473
 474     wma->outdata = HeapAlloc(GetProcessHeap(), 0, wma->outbih->biSizeImage);
 475     if (!wma->outdata) {
 476         WARN("Can't alloc output buffer\n");
 477         return FALSE;
 478     }
 479
 480     if (ICSendMessage(wma->hic, ICM_DECOMPRESS_BEGIN,
 481                       (DWORD_PTR)wma->inbih, (DWORD_PTR)wma->outbih) != ICERR_OK) {
 482         WARN("Can't begin decompression\n");
 483         return FALSE;
 484     }
 485
 486 paint_frame:
 487     hDC = wma->hWndPaint ? GetDC(wma->hWndPaint) : 0;
 488     if (hDC)
 489     {
 490         MCIAVI_PaintFrame(wma, hDC);
 491         ReleaseDC(wma->hWndPaint, hDC);
 492     }
 493     return TRUE;
 494 }
 495
 496 static void CALLBACK MCIAVI_waveCallback(HWAVEOUT hwo, UINT uMsg, DWORD_PTR dwInstance,
 497                                         DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 498 {
 499     WINE_MCIAVI *wma = MCIAVI_mciGetOpenDev(dwInstance);
 500
 501     if (!wma) return;
 502
 503     EnterCriticalSection(&wma->cs);
 504
 505     switch (uMsg) {
 506     case WOM_OPEN:
 507     case WOM_CLOSE:
 508         break;
 509     case WOM_DONE:
 510         InterlockedIncrement(&wma->dwEventCount);
 511         TRACE("Returning waveHdr=%lx\n", dwParam1);
 512         SetEvent(wma->hEvent);
 513         break;
 514     default:
 515         ERR("Unknown uMsg=%d\n", uMsg);
 516     }
 517
 518     LeaveCriticalSection(&wma->cs);
 519 }
 520
 521 DWORD MCIAVI_OpenAudio(WINE_MCIAVI* wma, unsigned* nHdr, LPWAVEHDR* pWaveHdr)
 522 {
 523     DWORD       dwRet;
 524     LPWAVEHDR   waveHdr;
 525     unsigned    i;
 526
 527     dwRet = waveOutOpen((HWAVEOUT *)&wma->hWave, WAVE_MAPPER, wma->lpWaveFormat,
 528                        (DWORD_PTR)MCIAVI_waveCallback, wma->wDevID, CALLBACK_FUNCTION);
 529     if (dwRet != 0) {
 530         TRACE("Can't open low level audio device %d\n", dwRet);
 531         dwRet = MCIERR_DEVICE_OPEN;
 532         wma->hWave = 0;
 533         goto cleanUp;
 534     }
 535
 536     /* FIXME: should set up a heuristic to compute the number of wave headers
 537      * to be used...
 538      */
 539     *nHdr = 7;
 540     waveHdr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 541                         *nHdr * (sizeof(WAVEHDR) + wma->ash_audio.dwSuggestedBufferSize));
 542     if (!waveHdr) {
 543         TRACE("Can't alloc wave headers\n");
 544         dwRet = MCIERR_DEVICE_OPEN;
 545         goto cleanUp;
 546     }
 547
 548     for (i = 0; i < *nHdr; i++) {
 549         /* other fields are zero:ed on allocation */
 550         waveHdr[i].lpData = (char*)waveHdr +
 551             *nHdr * sizeof(WAVEHDR) + i * wma->ash_audio.dwSuggestedBufferSize;
 552         waveHdr[i].dwBufferLength = wma->ash_audio.dwSuggestedBufferSize;
 553         if (waveOutPrepareHeader(wma->hWave, &waveHdr[i], sizeof(WAVEHDR))) {
 554             dwRet = MCIERR_INTERNAL;
 555             goto cleanUp;
 556         }
 557     }
 558
 559     if (wma->dwCurrVideoFrame != 0 && wma->lpWaveFormat) {
 560         FIXME("Should recompute dwCurrAudioBlock, except unsynchronized sound & video\n");
 561     }
 562     wma->dwCurrAudioBlock = 0;
 563
 564     wma->hEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
 565     wma->dwEventCount = *nHdr - 1;
 566     *pWaveHdr = waveHdr;
 567  cleanUp:
 568     return dwRet;
 569 }
 570
 571 void MCIAVI_PlayAudioBlocks(WINE_MCIAVI* wma, unsigned nHdr, LPWAVEHDR waveHdr)
 572 {
 573     if (!wma->lpAudioIndex)
 574         return;
 575     TRACE("%d (ec=%u)\n", wma->lpAudioIndex[wma->dwCurrAudioBlock].dwOffset, wma->dwEventCount);
 576
 577     /* push as many blocks as possible => audio gets priority */
 578     while (wma->dwStatus != MCI_MODE_STOP && wma->dwStatus != MCI_MODE_NOT_READY &&
 579            wma->dwCurrAudioBlock < wma->dwPlayableAudioBlocks) {
 580         unsigned        whidx = wma->dwCurrAudioBlock % nHdr;
 581
 582         ResetEvent(wma->hEvent);
 583         if (InterlockedDecrement(&wma->dwEventCount) < 0 ||
 584             !wma->lpAudioIndex[wma->dwCurrAudioBlock].dwOffset)
 585         {
 586             InterlockedIncrement(&wma->dwEventCount);
 587             break;
 588         }
 589
 590         mmioSeek(wma->hFile, wma->lpAudioIndex[wma->dwCurrAudioBlock].dwOffset, SEEK_SET);
 591         mmioRead(wma->hFile, waveHdr[whidx].lpData, wma->lpAudioIndex[wma->dwCurrAudioBlock].dwSize);
 592
 593         waveHdr[whidx].dwFlags &= ~WHDR_DONE;
 594         waveHdr[whidx].dwBufferLength = wma->lpAudioIndex[wma->dwCurrAudioBlock].dwSize;
 595         waveOutWrite(wma->hWave, &waveHdr[whidx], sizeof(WAVEHDR));
 596         wma->dwCurrAudioBlock++;
 597     }
 598 }
 599
 600 double MCIAVI_PaintFrame(WINE_MCIAVI* wma, HDC hDC)
 601 {
 602     void*               pBitmapData;
 603     LPBITMAPINFO        pBitmapInfo;
 604
 605     if (!hDC || !wma->inbih)
 606         return 0;
 607
 608     TRACE("Painting frame %u (cached %u)\n", wma->dwCurrVideoFrame, wma->dwCachedFrame);
 609
 610     if (wma->dwCurrVideoFrame != wma->dwCachedFrame)
 611     {
 612         if (!wma->lpVideoIndex[wma->dwCurrVideoFrame].dwOffset)
 613             return 0;
 614
 615         if (wma->lpVideoIndex[wma->dwCurrVideoFrame].dwSize)
 616         {
 617             mmioSeek(wma->hFile, wma->lpVideoIndex[wma->dwCurrVideoFrame].dwOffset, SEEK_SET);
 618             mmioRead(wma->hFile, wma->indata, wma->lpVideoIndex[wma->dwCurrVideoFrame].dwSize);
 619
 620             wma->inbih->biSizeImage = wma->lpVideoIndex[wma->dwCurrVideoFrame].dwSize;
 621
 622             if (wma->hic && ICDecompress(wma->hic, 0, wma->inbih, wma->indata,
 623                                          wma->outbih, wma->outdata) != ICERR_OK)
 624             {
 625                 WARN("Decompression error\n");
 626                 return 0;
 627             }
 628         }
 629
 630         wma->dwCachedFrame = wma->dwCurrVideoFrame;
 631     }
 632
 633     if (wma->hic) {
 634         pBitmapData = wma->outdata;
 635         pBitmapInfo = (LPBITMAPINFO)wma->outbih;
 636     } else {
 637         pBitmapData = wma->indata;
 638         pBitmapInfo = (LPBITMAPINFO)wma->inbih;
 639     }
 640
 641     StretchDIBits(hDC,
 642                   wma->dest.left, wma->dest.top,
 643                   wma->dest.right - wma->dest.left, wma->dest.bottom - wma->dest.top,
 644                   wma->source.left, wma->source.top,
 645                   wma->source.right - wma->source.left, wma->source.bottom - wma->source.top,
 646                   pBitmapData, pBitmapInfo, DIB_RGB_COLORS, SRCCOPY);
 647
 648     return (wma->ash_video.dwScale / (double)wma->ash_video.dwRate) * 1000000;
 649 }