dlls/winmm/mciavi/mmoutput.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2
   3 /*
   4  * Digital video MCI Wine Driver
   5  *
   6  * Copyright 1999, 2000 Eric POUECH
   7  * Copyright 2003 Dmitry Timoshkov
   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 #include "private_mciavi.h"
  25 #include "wine/debug.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(mciavi);
  28
  29 static BOOL MCIAVI_GetInfoAudio(WINE_MCIAVI* wma, const MMCKINFO* mmckList, MMCKINFO *mmckStream)
  30 {
  31     MMCKINFO    mmckInfo;
  32
  33     mmioRead(wma->hFile, (LPSTR)&wma->ash_audio, sizeof(wma->ash_audio));
  34
  35     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(wma->ash_audio.fccType)),
  36                                                 HIBYTE(LOWORD(wma->ash_audio.fccType)),
  37                                                 LOBYTE(HIWORD(wma->ash_audio.fccType)),
  38                                                 HIBYTE(HIWORD(wma->ash_audio.fccType)));
  39     TRACE("ash.fccHandler='%c%c%c%c'\n",        LOBYTE(LOWORD(wma->ash_audio.fccHandler)),
  40                                                 HIBYTE(LOWORD(wma->ash_audio.fccHandler)),
  41                                                 LOBYTE(HIWORD(wma->ash_audio.fccHandler)),
  42                                                 HIBYTE(HIWORD(wma->ash_audio.fccHandler)));
  43     TRACE("ash.dwFlags=%ld\n",                  wma->ash_audio.dwFlags);
  44     TRACE("ash.wPriority=%d\n",                 wma->ash_audio.wPriority);
  45     TRACE("ash.wLanguage=%d\n",                 wma->ash_audio.wLanguage);
  46     TRACE("ash.dwInitialFrames=%ld\n",          wma->ash_audio.dwInitialFrames);
  47     TRACE("ash.dwScale=%ld\n",                  wma->ash_audio.dwScale);
  48     TRACE("ash.dwRate=%ld\n",                   wma->ash_audio.dwRate);
  49     TRACE("ash.dwStart=%ld\n",                  wma->ash_audio.dwStart);
  50     TRACE("ash.dwLength=%ld\n",                 wma->ash_audio.dwLength);
  51     TRACE("ash.dwSuggestedBufferSize=%ld\n",    wma->ash_audio.dwSuggestedBufferSize);
  52     TRACE("ash.dwQuality=%ld\n",                wma->ash_audio.dwQuality);
  53     TRACE("ash.dwSampleSize=%ld\n",             wma->ash_audio.dwSampleSize);
  54     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        wma->ash_audio.rcFrame.top, wma->ash_audio.rcFrame.left,
  55           wma->ash_audio.rcFrame.bottom, wma->ash_audio.rcFrame.right);
  56
  57     /* rewind to the start of the stream */
  58     mmioAscend(wma->hFile, mmckStream, 0);
  59
  60     mmckInfo.ckid = ckidSTREAMFORMAT;
  61     if (mmioDescend(wma->hFile, &mmckInfo, mmckList, MMIO_FINDCHUNK) != 0) {
  62        WARN("Can't find 'strf' chunk\n");
  63         return FALSE;
  64     }
  65     if (mmckInfo.cksize < sizeof(WAVEFORMAT)) {
  66         WARN("Size of strf chunk (%ld) < audio format struct\n", mmckInfo.cksize);
  67         return FALSE;
  68     }
  69     wma->lpWaveFormat = HeapAlloc(GetProcessHeap(), 0, mmckInfo.cksize);
  70     if (!wma->lpWaveFormat) {
  71         WARN("Can't alloc WaveFormat\n");
  72         return FALSE;
  73     }
  74
  75     mmioRead(wma->hFile, (LPSTR)wma->lpWaveFormat, mmckInfo.cksize);
  76
  77     TRACE("waveFormat.wFormatTag=%d\n",         wma->lpWaveFormat->wFormatTag);
  78     TRACE("waveFormat.nChannels=%d\n",          wma->lpWaveFormat->nChannels);
  79     TRACE("waveFormat.nSamplesPerSec=%ld\n",    wma->lpWaveFormat->nSamplesPerSec);
  80     TRACE("waveFormat.nAvgBytesPerSec=%ld\n",   wma->lpWaveFormat->nAvgBytesPerSec);
  81     TRACE("waveFormat.nBlockAlign=%d\n",        wma->lpWaveFormat->nBlockAlign);
  82     TRACE("waveFormat.wBitsPerSample=%d\n",     wma->lpWaveFormat->wBitsPerSample);
  83     if (mmckInfo.cksize >= sizeof(WAVEFORMATEX))
  84         TRACE("waveFormat.cbSize=%d\n",                 wma->lpWaveFormat->cbSize);
  85
  86     return TRUE;
  87 }
  88
  89 static BOOL MCIAVI_GetInfoVideo(WINE_MCIAVI* wma, const MMCKINFO* mmckList, MMCKINFO* mmckStream)
  90 {
  91     MMCKINFO    mmckInfo;
  92
  93     mmioRead(wma->hFile, (LPSTR)&wma->ash_video, sizeof(wma->ash_video));
  94
  95     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(wma->ash_video.fccType)),
  96                                                 HIBYTE(LOWORD(wma->ash_video.fccType)),
  97                                                 LOBYTE(HIWORD(wma->ash_video.fccType)),
  98                                                 HIBYTE(HIWORD(wma->ash_video.fccType)));
  99     TRACE("ash.fccHandler='%c%c%c%c'\n",        LOBYTE(LOWORD(wma->ash_video.fccHandler)),
 100                                                 HIBYTE(LOWORD(wma->ash_video.fccHandler)),
 101                                                 LOBYTE(HIWORD(wma->ash_video.fccHandler)),
 102                                                 HIBYTE(HIWORD(wma->ash_video.fccHandler)));
 103     TRACE("ash.dwFlags=%ld\n",                  wma->ash_video.dwFlags);
 104     TRACE("ash.wPriority=%d\n",                 wma->ash_video.wPriority);
 105     TRACE("ash.wLanguage=%d\n",                 wma->ash_video.wLanguage);
 106     TRACE("ash.dwInitialFrames=%ld\n",          wma->ash_video.dwInitialFrames);
 107     TRACE("ash.dwScale=%ld\n",                  wma->ash_video.dwScale);
 108     TRACE("ash.dwRate=%ld\n",                   wma->ash_video.dwRate);
 109     TRACE("ash.dwStart=%ld\n",                  wma->ash_video.dwStart);
 110     TRACE("ash.dwLength=%ld\n",                 wma->ash_video.dwLength);
 111     TRACE("ash.dwSuggestedBufferSize=%ld\n",    wma->ash_video.dwSuggestedBufferSize);
 112     TRACE("ash.dwQuality=%ld\n",                wma->ash_video.dwQuality);
 113     TRACE("ash.dwSampleSize=%ld\n",             wma->ash_video.dwSampleSize);
 114     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        wma->ash_video.rcFrame.top, wma->ash_video.rcFrame.left,
 115           wma->ash_video.rcFrame.bottom, wma->ash_video.rcFrame.right);
 116
 117     /* rewind to the start of the stream */
 118     mmioAscend(wma->hFile, mmckStream, 0);
 119
 120     mmckInfo.ckid = ckidSTREAMFORMAT;
 121     if (mmioDescend(wma->hFile, &mmckInfo, mmckList, MMIO_FINDCHUNK) != 0) {
 122        WARN("Can't find 'strf' chunk\n");
 123         return FALSE;
 124     }
 125
 126     wma->inbih = HeapAlloc(GetProcessHeap(), 0, mmckInfo.cksize);
 127     if (!wma->inbih) {
 128         WARN("Can't alloc input BIH\n");
 129         return FALSE;
 130     }
 131
 132     mmioRead(wma->hFile, (LPSTR)wma->inbih, mmckInfo.cksize);
 133
 134     TRACE("bih.biSize=%ld\n",           wma->inbih->biSize);
 135     TRACE("bih.biWidth=%ld\n",          wma->inbih->biWidth);
 136     TRACE("bih.biHeight=%ld\n",         wma->inbih->biHeight);
 137     TRACE("bih.biPlanes=%d\n",          wma->inbih->biPlanes);
 138     TRACE("bih.biBitCount=%d\n",        wma->inbih->biBitCount);
 139     TRACE("bih.biCompression=%lx\n",    wma->inbih->biCompression);
 140     TRACE("bih.biSizeImage=%ld\n",      wma->inbih->biSizeImage);
 141     TRACE("bih.biXPelsPerMeter=%ld\n",  wma->inbih->biXPelsPerMeter);
 142     TRACE("bih.biYPelsPerMeter=%ld\n",  wma->inbih->biYPelsPerMeter);
 143     TRACE("bih.biClrUsed=%ld\n",        wma->inbih->biClrUsed);
 144     TRACE("bih.biClrImportant=%ld\n",   wma->inbih->biClrImportant);
 145
 146     wma->source.left = 0;
 147     wma->source.top = 0;
 148     wma->source.right = wma->inbih->biWidth;
 149     wma->source.bottom = wma->inbih->biHeight;
 150
 151     wma->dest = wma->source;
 152
 153     return TRUE;
 154 }
 155
 156 struct AviListBuild {
 157     DWORD       numVideoFrames;
 158     DWORD       numAudioAllocated;
 159     DWORD       numAudioBlocks;
 160     DWORD       inVideoSize;
 161     DWORD       inAudioSize;
 162 };
 163
 164 static BOOL     MCIAVI_AddFrame(WINE_MCIAVI* wma, LPMMCKINFO mmck,
 165                                 struct AviListBuild* alb)
 166 {
 167     const BYTE *p;
 168     DWORD stream_n;
 169     DWORD twocc;
 170
 171     if (mmck->ckid == ckidAVIPADDING) return TRUE;
 172
 173     p = (const BYTE *)&mmck->ckid;
 174
 175     if (!isxdigit(p[0]) || !isxdigit(p[1]))
 176     {
 177         WARN("wrongly encoded stream #\n");
 178         return FALSE;
 179     }
 180
 181     stream_n = (p[0] <= '9') ? (p[0] - '0') : (tolower(p[0]) - 'a' + 10);
 182     stream_n <<= 4;
 183     stream_n |= (p[1] <= '9') ? (p[1] - '0') : (tolower(p[1]) - 'a' + 10);
 184
 185     TRACE("ckid %4.4s (stream #%ld)\n", (LPSTR)&mmck->ckid, stream_n);
 186
 187     /* Some (rare?) AVI files have video streams name XXYY where XX = stream number and YY = TWOCC
 188      * of the last 2 characters of the biCompression member of the BITMAPINFOHEADER structure.
 189      * Ex: fccHandler = IV32 & biCompression = IV32 => stream name = XX32
 190      *     fccHandler = MSVC & biCompression = CRAM => stream name = XXAM
 191      * Another possibility is that these TWOCC are simply ignored.
 192      * Default to cktypeDIBcompressed when this case happens.
 193      */
 194     twocc = TWOCCFromFOURCC(mmck->ckid);
 195     if (twocc == TWOCCFromFOURCC(wma->inbih->biCompression))
 196         twocc = cktypeDIBcompressed;
 197
 198     switch (twocc) {
 199     case cktypeDIBbits:
 200     case cktypeDIBcompressed:
 201     case cktypePALchange:
 202         if (stream_n != wma->video_stream_n)
 203         {
 204             TRACE("data belongs to another video stream #%ld\n", stream_n);
 205             return FALSE;
 206         }
 207
 208         TRACE("Adding video frame[%ld]: %ld bytes\n",
 209               alb->numVideoFrames, mmck->cksize);
 210
 211         if (alb->numVideoFrames < wma->dwPlayableVideoFrames) {
 212             wma->lpVideoIndex[alb->numVideoFrames].dwOffset = mmck->dwDataOffset;
 213             wma->lpVideoIndex[alb->numVideoFrames].dwSize = mmck->cksize;
 214             if (alb->inVideoSize < mmck->cksize)
 215                 alb->inVideoSize = mmck->cksize;
 216             alb->numVideoFrames++;
 217         } else {
 218             WARN("Too many video frames\n");
 219         }
 220         break;
 221     case cktypeWAVEbytes:
 222         if (stream_n != wma->audio_stream_n)
 223         {
 224             TRACE("data belongs to another audio stream #%ld\n", stream_n);
 225             return FALSE;
 226         }
 227
 228         TRACE("Adding audio frame[%ld]: %ld bytes\n",
 229               alb->numAudioBlocks, mmck->cksize);
 230         if (wma->lpWaveFormat) {
 231             if (alb->numAudioBlocks >= alb->numAudioAllocated) {
 232                 alb->numAudioAllocated += 32;
 233                 if (!wma->lpAudioIndex)
 234                     wma->lpAudioIndex = HeapAlloc(GetProcessHeap(), 0,
 235                                                   alb->numAudioAllocated * sizeof(struct MMIOPos));
 236                 else
 237                     wma->lpAudioIndex = HeapReAlloc(GetProcessHeap(), 0, wma->lpAudioIndex,
 238                                                     alb->numAudioAllocated * sizeof(struct MMIOPos));
 239                 if (!wma->lpAudioIndex) return FALSE;
 240             }
 241             wma->lpAudioIndex[alb->numAudioBlocks].dwOffset = mmck->dwDataOffset;
 242             wma->lpAudioIndex[alb->numAudioBlocks].dwSize = mmck->cksize;
 243             if (alb->inAudioSize < mmck->cksize)
 244                 alb->inAudioSize = mmck->cksize;
 245             alb->numAudioBlocks++;
 246         } else {
 247             WARN("Wave chunk without wave format... discarding\n");
 248         }
 249         break;
 250     default:
 251         WARN("Unknown frame type %4.4s\n", (LPSTR)&mmck->ckid);
 252         break;
 253     }
 254     return TRUE;
 255 }
 256
 257 BOOL MCIAVI_GetInfo(WINE_MCIAVI* wma)
 258 {
 259     MMCKINFO            ckMainRIFF;
 260     MMCKINFO            mmckHead;
 261     MMCKINFO            mmckList;
 262     MMCKINFO            mmckInfo;
 263     struct AviListBuild alb;
 264     DWORD stream_n;
 265
 266     if (mmioDescend(wma->hFile, &ckMainRIFF, NULL, 0) != 0) {
 267         WARN("Can't find 'RIFF' chunk\n");
 268         return FALSE;
 269     }
 270
 271     if ((ckMainRIFF.ckid != FOURCC_RIFF) || (ckMainRIFF.fccType != formtypeAVI)) {
 272         WARN("Can't find 'AVI ' chunk\n");
 273         return FALSE;
 274     }
 275
 276     mmckHead.fccType = listtypeAVIHEADER;
 277     if (mmioDescend(wma->hFile, &mmckHead, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 278         WARN("Can't find 'hdrl' list\n");
 279         return FALSE;
 280     }
 281
 282     mmckInfo.ckid = ckidAVIMAINHDR;
 283     if (mmioDescend(wma->hFile, &mmckInfo, &mmckHead, MMIO_FINDCHUNK) != 0) {
 284         WARN("Can't find 'avih' chunk\n");
 285         return FALSE;
 286     }
 287
 288     mmioRead(wma->hFile, (LPSTR)&wma->mah, sizeof(wma->mah));
 289
 290     TRACE("mah.dwMicroSecPerFrame=%ld\n",       wma->mah.dwMicroSecPerFrame);
 291     TRACE("mah.dwMaxBytesPerSec=%ld\n",         wma->mah.dwMaxBytesPerSec);
 292     TRACE("mah.dwPaddingGranularity=%ld\n",     wma->mah.dwPaddingGranularity);
 293     TRACE("mah.dwFlags=%ld\n",                  wma->mah.dwFlags);
 294     TRACE("mah.dwTotalFrames=%ld\n",            wma->mah.dwTotalFrames);
 295     TRACE("mah.dwInitialFrames=%ld\n",          wma->mah.dwInitialFrames);
 296     TRACE("mah.dwStreams=%ld\n",                wma->mah.dwStreams);
 297     TRACE("mah.dwSuggestedBufferSize=%ld\n",    wma->mah.dwSuggestedBufferSize);
 298     TRACE("mah.dwWidth=%ld\n",                  wma->mah.dwWidth);
 299     TRACE("mah.dwHeight=%ld\n",                 wma->mah.dwHeight);
 300
 301     mmioAscend(wma->hFile, &mmckInfo, 0);
 302
 303     TRACE("Start of streams\n");
 304     wma->video_stream_n = 0;
 305     wma->audio_stream_n = 0;
 306
 307     for (stream_n = 0; stream_n < wma->mah.dwStreams; stream_n++)
 308     {
 309         MMCKINFO mmckStream;
 310
 311         mmckList.fccType = listtypeSTREAMHEADER;
 312         if (mmioDescend(wma->hFile, &mmckList, &mmckHead, MMIO_FINDLIST) != 0)
 313             break;
 314
 315         mmckStream.ckid = ckidSTREAMHEADER;
 316         if (mmioDescend(wma->hFile, &mmckStream, &mmckList, MMIO_FINDCHUNK) != 0)
 317         {
 318             WARN("Can't find 'strh' chunk\n");
 319             continue;
 320         }
 321
 322         TRACE("Stream #%ld fccType %4.4s\n", stream_n, (LPSTR)&mmckStream.fccType);
 323
 324         if (mmckStream.fccType == streamtypeVIDEO)
 325         {
 326             TRACE("found video stream\n");
 327             if (wma->inbih)
 328                 WARN("ignoring another video stream\n");
 329             else
 330             {
 331                 if (!MCIAVI_GetInfoVideo(wma, &mmckList, &mmckStream))
 332                     return FALSE;
 333                 wma->video_stream_n = stream_n;
 334             }
 335         }
 336         else if (mmckStream.fccType == streamtypeAUDIO)
 337         {
 338             TRACE("found audio stream\n");
 339             if (wma->lpWaveFormat)
 340                 WARN("ignoring another audio stream\n");
 341             else
 342             {
 343                 if (!MCIAVI_GetInfoAudio(wma, &mmckList, &mmckStream))
 344                     return FALSE;
 345                 wma->audio_stream_n = stream_n;
 346             }
 347         }
 348         else
 349             TRACE("Unsupported stream type %4.4s\n", (LPSTR)&mmckStream.fccType);
 350
 351         mmioAscend(wma->hFile, &mmckList, 0);
 352     }
 353
 354     TRACE("End of streams\n");
 355
 356     mmioAscend(wma->hFile, &mmckHead, 0);
 357
 358     /* no need to read optional JUNK chunk */
 359
 360     mmckList.fccType = listtypeAVIMOVIE;
 361     if (mmioDescend(wma->hFile, &mmckList, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 362         WARN("Can't find 'movi' list\n");
 363         return FALSE;
 364     }
 365
 366     wma->dwPlayableVideoFrames = wma->mah.dwTotalFrames;
 367     wma->lpVideoIndex = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 368                                   wma->dwPlayableVideoFrames * sizeof(struct MMIOPos));
 369     if (!wma->lpVideoIndex) {
 370         WARN("Can't alloc video index array\n");
 371         return FALSE;
 372     }
 373     wma->dwPlayableAudioBlocks = 0;
 374     wma->lpAudioIndex = NULL;
 375
 376     alb.numAudioBlocks = alb.numVideoFrames = 0;
 377     alb.inVideoSize = alb.inAudioSize = 0;
 378     alb.numAudioAllocated = 0;
 379
 380     while (mmioDescend(wma->hFile, &mmckInfo, &mmckList, 0) == 0) {
 381         if (mmckInfo.fccType == listtypeAVIRECORD) {
 382             MMCKINFO    tmp;
 383
 384             while (mmioDescend(wma->hFile, &tmp, &mmckInfo, 0) == 0) {
 385                 MCIAVI_AddFrame(wma, &tmp, &alb);
 386                 mmioAscend(wma->hFile, &tmp, 0);
 387             }
 388         } else {
 389             MCIAVI_AddFrame(wma, &mmckInfo, &alb);
 390         }
 391
 392         mmioAscend(wma->hFile, &mmckInfo, 0);
 393     }
 394     if (alb.numVideoFrames != wma->dwPlayableVideoFrames) {
 395         WARN("Found %ld video frames (/%ld), reducing playable frames\n",
 396              alb.numVideoFrames, wma->dwPlayableVideoFrames);
 397         wma->dwPlayableVideoFrames = alb.numVideoFrames;
 398     }
 399     wma->dwPlayableAudioBlocks = alb.numAudioBlocks;
 400
 401     if (alb.inVideoSize > wma->ash_video.dwSuggestedBufferSize) {
 402         WARN("inVideoSize=%ld suggestedSize=%ld\n", alb.inVideoSize, wma->ash_video.dwSuggestedBufferSize);
 403         wma->ash_video.dwSuggestedBufferSize = alb.inVideoSize;
 404     }
 405     if (alb.inAudioSize > wma->ash_audio.dwSuggestedBufferSize) {
 406         WARN("inAudioSize=%ld suggestedSize=%ld\n", alb.inAudioSize, wma->ash_audio.dwSuggestedBufferSize);
 407         wma->ash_audio.dwSuggestedBufferSize = alb.inAudioSize;
 408     }
 409
 410     wma->indata = HeapAlloc(GetProcessHeap(), 0, wma->ash_video.dwSuggestedBufferSize);
 411     if (!wma->indata) {
 412         WARN("Can't alloc input buffer\n");
 413         return FALSE;
 414     }
 415
 416     return TRUE;
 417 }
 418
 419 BOOL    MCIAVI_OpenVideo(WINE_MCIAVI* wma)
 420 {
 421     HDC hDC;
 422     DWORD       outSize;
 423     FOURCC      fcc = wma->ash_video.fccHandler;
 424
 425     TRACE("fcc %4.4s\n", (LPSTR)&fcc);
 426
 427     wma->dwCachedFrame = -1;
 428
 429     /* get the right handle */
 430     if (fcc == mmioFOURCC('C','R','A','M')) fcc = mmioFOURCC('M','S','V','C');
 431
 432     /* try to get a decompressor for that type */
 433     wma->hic = ICLocate(ICTYPE_VIDEO, fcc, wma->inbih, NULL, ICMODE_DECOMPRESS);
 434     if (!wma->hic) {
 435         /* check for builtin DIB compressions */
 436         fcc = wma->inbih->biCompression;
 437         if ((fcc == mmioFOURCC('D','I','B',' ')) ||
 438             (fcc == mmioFOURCC('R','L','E',' ')) ||
 439             (fcc == BI_RGB) || (fcc == BI_RLE8) ||
 440             (fcc == BI_RLE4) || (fcc == BI_BITFIELDS))
 441             goto paint_frame;
 442
 443         WARN("Can't locate codec for the file\n");
 444         return FALSE;
 445     }
 446
 447     outSize = sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD);
 448
 449     wma->outbih = HeapAlloc(GetProcessHeap(), 0, outSize);
 450     if (!wma->outbih) {
 451         WARN("Can't alloc output BIH\n");
 452         return FALSE;
 453     }
 454     if (!ICGetDisplayFormat(wma->hic, wma->inbih, wma->outbih, 0, 0, 0)) {
 455         WARN("Can't open decompressor\n");
 456         return FALSE;
 457     }
 458
 459     TRACE("bih.biSize=%ld\n",           wma->outbih->biSize);
 460     TRACE("bih.biWidth=%ld\n",          wma->outbih->biWidth);
 461     TRACE("bih.biHeight=%ld\n",         wma->outbih->biHeight);
 462     TRACE("bih.biPlanes=%d\n",          wma->outbih->biPlanes);
 463     TRACE("bih.biBitCount=%d\n",        wma->outbih->biBitCount);
 464     TRACE("bih.biCompression=%lx\n",    wma->outbih->biCompression);
 465     TRACE("bih.biSizeImage=%ld\n",      wma->outbih->biSizeImage);
 466     TRACE("bih.biXPelsPerMeter=%ld\n",  wma->outbih->biXPelsPerMeter);
 467     TRACE("bih.biYPelsPerMeter=%ld\n",  wma->outbih->biYPelsPerMeter);
 468     TRACE("bih.biClrUsed=%ld\n",        wma->outbih->biClrUsed);
 469     TRACE("bih.biClrImportant=%ld\n",   wma->outbih->biClrImportant);
 470
 471     wma->outdata = HeapAlloc(GetProcessHeap(), 0, wma->outbih->biSizeImage);
 472     if (!wma->outdata) {
 473         WARN("Can't alloc output buffer\n");
 474         return FALSE;
 475     }
 476
 477     if (ICSendMessage(wma->hic, ICM_DECOMPRESS_BEGIN,
 478                       (DWORD)wma->inbih, (DWORD)wma->outbih) != ICERR_OK) {
 479         WARN("Can't begin decompression\n");
 480         return FALSE;
 481     }
 482
 483 paint_frame:
 484     hDC = wma->hWndPaint ? GetDC(wma->hWndPaint) : 0;
 485     if (hDC)
 486     {
 487         MCIAVI_PaintFrame(wma, hDC);
 488         ReleaseDC(wma->hWndPaint, hDC);
 489     }
 490     return TRUE;
 491 }
 492
 493 static void CALLBACK MCIAVI_waveCallback(HWAVEOUT hwo, UINT uMsg, DWORD_PTR dwInstance,
 494                                         DWORD_PTR dwParam1, DWORD_PTR dwParam2)
 495 {
 496     WINE_MCIAVI *wma = (WINE_MCIAVI *)MCIAVI_mciGetOpenDev(dwInstance);
 497
 498     if (!wma) return;
 499
 500     EnterCriticalSection(&wma->cs);
 501
 502     switch (uMsg) {
 503     case WOM_OPEN:
 504     case WOM_CLOSE:
 505         break;
 506     case WOM_DONE:
 507         InterlockedIncrement(&wma->dwEventCount);
 508         TRACE("Returning waveHdr=%lx\n", dwParam1);
 509         SetEvent(wma->hEvent);
 510         break;
 511     default:
 512         ERR("Unknown uMsg=%d\n", uMsg);
 513     }
 514
 515     LeaveCriticalSection(&wma->cs);
 516 }
 517
 518 DWORD MCIAVI_OpenAudio(WINE_MCIAVI* wma, unsigned* nHdr, LPWAVEHDR* pWaveHdr)
 519 {
 520     DWORD       dwRet;
 521     LPWAVEHDR   waveHdr;
 522     unsigned    i;
 523
 524     dwRet = waveOutOpen((HWAVEOUT *)&wma->hWave, WAVE_MAPPER, wma->lpWaveFormat,
 525                        (DWORD_PTR)MCIAVI_waveCallback, wma->wDevID, CALLBACK_FUNCTION);
 526     if (dwRet != 0) {
 527         TRACE("Can't open low level audio device %ld\n", dwRet);
 528         dwRet = MCIERR_DEVICE_OPEN;
 529         wma->hWave = 0;
 530         goto cleanUp;
 531     }
 532
 533     /* FIXME: should set up a heuristic to compute the number of wave headers
 534      * to be used...
 535      */
 536     *nHdr = 7;
 537     waveHdr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 538                         *nHdr * (sizeof(WAVEHDR) + wma->ash_audio.dwSuggestedBufferSize));
 539     if (!waveHdr) {
 540         TRACE("Can't alloc wave headers\n");
 541         dwRet = MCIERR_DEVICE_OPEN;
 542         goto cleanUp;
 543     }
 544
 545     for (i = 0; i < *nHdr; i++) {
 546         /* other fields are zero:ed on allocation */
 547         waveHdr[i].lpData = (char*)waveHdr +
 548             *nHdr * sizeof(WAVEHDR) + i * wma->ash_audio.dwSuggestedBufferSize;
 549         waveHdr[i].dwBufferLength = wma->ash_audio.dwSuggestedBufferSize;
 550         if (waveOutPrepareHeader(wma->hWave, &waveHdr[i], sizeof(WAVEHDR))) {
 551             dwRet = MCIERR_INTERNAL;
 552             goto cleanUp;
 553         }
 554     }
 555
 556     if (wma->dwCurrVideoFrame != 0 && wma->lpWaveFormat) {
 557         FIXME("Should recompute dwCurrAudioBlock, except unsynchronized sound & video\n");
 558     }
 559     wma->dwCurrAudioBlock = 0;
 560
 561     wma->hEvent = CreateEventA(NULL, FALSE, FALSE, NULL);
 562     wma->dwEventCount = *nHdr - 1;
 563     *pWaveHdr = waveHdr;
 564  cleanUp:
 565     return dwRet;
 566 }
 567
 568 void MCIAVI_PlayAudioBlocks(WINE_MCIAVI* wma, unsigned nHdr, LPWAVEHDR waveHdr)
 569 {
 570     if (!wma->lpAudioIndex)
 571         return;
 572     TRACE("%ld (ec=%lu)\n", wma->lpAudioIndex[wma->dwCurrAudioBlock].dwOffset, wma->dwEventCount);
 573
 574     /* push as many blocks as possible => audio gets priority */
 575     while (wma->dwStatus != MCI_MODE_STOP && wma->dwStatus != MCI_MODE_NOT_READY &&
 576            wma->dwCurrAudioBlock < wma->dwPlayableAudioBlocks) {
 577         unsigned        whidx = wma->dwCurrAudioBlock % nHdr;
 578
 579         ResetEvent(wma->hEvent);
 580         if (InterlockedDecrement(&wma->dwEventCount) < 0 ||
 581             !wma->lpAudioIndex[wma->dwCurrAudioBlock].dwOffset)
 582         {
 583             InterlockedIncrement(&wma->dwEventCount);
 584             break;
 585         }
 586
 587         mmioSeek(wma->hFile, wma->lpAudioIndex[wma->dwCurrAudioBlock].dwOffset, SEEK_SET);
 588         mmioRead(wma->hFile, waveHdr[whidx].lpData, wma->lpAudioIndex[wma->dwCurrAudioBlock].dwSize);
 589
 590         waveHdr[whidx].dwFlags &= ~WHDR_DONE;
 591         waveHdr[whidx].dwBufferLength = wma->lpAudioIndex[wma->dwCurrAudioBlock].dwSize;
 592         waveOutWrite(wma->hWave, &waveHdr[whidx], sizeof(WAVEHDR));
 593         wma->dwCurrAudioBlock++;
 594     }
 595 }
 596
 597 LRESULT MCIAVI_PaintFrame(WINE_MCIAVI* wma, HDC hDC)
 598 {
 599     void*               pBitmapData = NULL;
 600     LPBITMAPINFO        pBitmapInfo = NULL;
 601     HDC                 hdcMem;
 602     HBITMAP             hbmOld;
 603     int                 nWidth;
 604     int                 nHeight;
 605
 606     if (!hDC || !wma->inbih)
 607         return TRUE;
 608
 609     TRACE("Painting frame %lu (cached %lu)\n", wma->dwCurrVideoFrame, wma->dwCachedFrame);
 610
 611     if (wma->dwCurrVideoFrame != wma->dwCachedFrame)
 612     {
 613         if (!wma->lpVideoIndex[wma->dwCurrVideoFrame].dwOffset)
 614             return FALSE;
 615
 616         if (wma->lpVideoIndex[wma->dwCurrVideoFrame].dwSize)
 617         {
 618             mmioSeek(wma->hFile, wma->lpVideoIndex[wma->dwCurrVideoFrame].dwOffset, SEEK_SET);
 619             mmioRead(wma->hFile, wma->indata, wma->lpVideoIndex[wma->dwCurrVideoFrame].dwSize);
 620
 621             /* FIXME ? */
 622             wma->inbih->biSizeImage = wma->lpVideoIndex[wma->dwCurrVideoFrame].dwSize;
 623
 624             if (wma->hic && ICDecompress(wma->hic, 0, wma->inbih, wma->indata,
 625                                          wma->outbih, wma->outdata) != ICERR_OK)
 626             {
 627                 WARN("Decompression error\n");
 628                 return FALSE;
 629             }
 630         }
 631
 632         wma->dwCachedFrame = wma->dwCurrVideoFrame;
 633     }
 634
 635     if (wma->hic) {
 636         pBitmapData = wma->outdata;
 637         pBitmapInfo = (LPBITMAPINFO)wma->outbih;
 638
 639         nWidth = wma->outbih->biWidth;
 640         nHeight = wma->outbih->biHeight;
 641     } else {
 642         pBitmapData = wma->indata;
 643         pBitmapInfo = (LPBITMAPINFO)wma->inbih;
 644
 645         nWidth = wma->inbih->biWidth;
 646         nHeight = wma->inbih->biHeight;
 647     }
 648
 649     if (!wma->hbmFrame)
 650         wma->hbmFrame = CreateCompatibleBitmap(hDC, nWidth, nHeight);
 651
 652     SetDIBits(hDC, wma->hbmFrame, 0, nHeight, pBitmapData, pBitmapInfo, DIB_RGB_COLORS);
 653
 654     hdcMem = CreateCompatibleDC(hDC);
 655     hbmOld = SelectObject(hdcMem, wma->hbmFrame);
 656
 657     StretchBlt(hDC,
 658                wma->dest.left, wma->dest.top, wma->dest.right, wma->dest.bottom,
 659                hdcMem,
 660                wma->source.left, wma->source.top, wma->source.right, wma->source.bottom,
 661                SRCCOPY);
 662
 663     SelectObject(hdcMem, hbmOld);
 664     DeleteDC(hdcMem);
 665     return TRUE;
 666 }