git.oblomov.eu Git - wine/blob - 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  */
   8
   9 #include "private_mciavi.h"
  10 #include "debugtools.h"
  11
  12 DEFAULT_DEBUG_CHANNEL(mciavi);
  13
  14 static BOOL MCIAVI_GetInfoAudio(WINE_MCIAVI* wma, const MMCKINFO* mmckList)
  15 {
  16     MMCKINFO    mmckInfo;
  17
  18     mmckInfo.ckid = ckidSTREAMHEADER;
  19     if (mmioDescend(wma->hFile, &mmckInfo, mmckList, MMIO_FINDCHUNK) != 0) {
  20         WARN("Can't find 'strh' chunk\n");
  21         return FALSE;
  22     }
  23
  24     mmioRead(wma->hFile, (LPSTR)&wma->ash_audio, sizeof(wma->ash_audio));
  25
  26     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(wma->ash_audio.fccType)),
  27                                                 HIBYTE(LOWORD(wma->ash_audio.fccType)),
  28                                                 LOBYTE(HIWORD(wma->ash_audio.fccType)),
  29                                                 HIBYTE(HIWORD(wma->ash_audio.fccType)));
  30     TRACE("ash.fccHandler='%c%c%c%c'\n",        LOBYTE(LOWORD(wma->ash_audio.fccHandler)),
  31                                                 HIBYTE(LOWORD(wma->ash_audio.fccHandler)),
  32                                                 LOBYTE(HIWORD(wma->ash_audio.fccHandler)),
  33                                                 HIBYTE(HIWORD(wma->ash_audio.fccHandler)));
  34     TRACE("ash.dwFlags=%ld\n",                  wma->ash_audio.dwFlags);
  35     TRACE("ash.wPriority=%d\n",                 wma->ash_audio.wPriority);
  36     TRACE("ash.wLanguage=%d\n",                 wma->ash_audio.wLanguage);
  37     TRACE("ash.dwInitialFrames=%ld\n",          wma->ash_audio.dwInitialFrames);
  38     TRACE("ash.dwScale=%ld\n",                  wma->ash_audio.dwScale);
  39     TRACE("ash.dwRate=%ld\n",                   wma->ash_audio.dwRate);
  40     TRACE("ash.dwStart=%ld\n",                  wma->ash_audio.dwStart);
  41     TRACE("ash.dwLength=%ld\n",                 wma->ash_audio.dwLength);
  42     TRACE("ash.dwSuggestedBufferSize=%ld\n",    wma->ash_audio.dwSuggestedBufferSize);
  43     TRACE("ash.dwQuality=%ld\n",                wma->ash_audio.dwQuality);
  44     TRACE("ash.dwSampleSize=%ld\n",             wma->ash_audio.dwSampleSize);
  45     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        wma->ash_audio.rcFrame.top, wma->ash_audio.rcFrame.left,
  46           wma->ash_audio.rcFrame.bottom, wma->ash_audio.rcFrame.right);
  47
  48     mmioAscend(wma->hFile, &mmckInfo, 0);
  49
  50     mmckInfo.ckid = ckidSTREAMFORMAT;
  51     if (mmioDescend(wma->hFile, &mmckInfo, mmckList, MMIO_FINDCHUNK) != 0) {
  52         WARN("Can't find 'strh' chunk\n");
  53         return FALSE;
  54     }
  55     if (mmckInfo.cksize < sizeof(WAVEFORMAT)) {
  56         WARN("Size of strf chunk (%ld) < audio format struct\n", mmckInfo.cksize);
  57         return FALSE;
  58     }
  59     wma->lpWaveFormat = HeapAlloc(GetProcessHeap(), 0, mmckInfo.cksize);
  60     if (!wma->lpWaveFormat) {
  61         WARN("Can't alloc WaveFormat\n");
  62         return FALSE;
  63     }
  64
  65     mmioRead(wma->hFile, (LPSTR)wma->lpWaveFormat, mmckInfo.cksize);
  66
  67     TRACE("waveFormat.wFormatTag=%d\n",         wma->lpWaveFormat->wFormatTag);
  68     TRACE("waveFormat.nChannels=%d\n",          wma->lpWaveFormat->nChannels);
  69     TRACE("waveFormat.nSamplesPerSec=%ld\n",    wma->lpWaveFormat->nSamplesPerSec);
  70     TRACE("waveFormat.nAvgBytesPerSec=%ld\n",   wma->lpWaveFormat->nAvgBytesPerSec);
  71     TRACE("waveFormat.nBlockAlign=%d\n",        wma->lpWaveFormat->nBlockAlign);
  72     TRACE("waveFormat.wBitsPerSample=%d\n",     wma->lpWaveFormat->wBitsPerSample);
  73     if (mmckInfo.cksize >= sizeof(WAVEFORMATEX))
  74         TRACE("waveFormat.cbSize=%d\n",                 wma->lpWaveFormat->cbSize);
  75
  76     mmioAscend(wma->hFile, &mmckInfo, 0);
  77
  78     return TRUE;
  79 }
  80
  81 static BOOL MCIAVI_GetInfoVideo(WINE_MCIAVI* wma, const MMCKINFO* mmckList)
  82 {
  83     MMCKINFO    mmckInfo;
  84
  85     mmckInfo.ckid = ckidSTREAMHEADER;
  86     if (mmioDescend(wma->hFile, &mmckInfo, mmckList, MMIO_FINDCHUNK) != 0) {
  87         WARN("Can't find 'strh' chunk\n");
  88         return FALSE;
  89     }
  90
  91     mmioRead(wma->hFile, (LPSTR)&wma->ash_video, sizeof(wma->ash_video));
  92
  93     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(wma->ash_video.fccType)),
  94                                                 HIBYTE(LOWORD(wma->ash_video.fccType)),
  95                                                 LOBYTE(HIWORD(wma->ash_video.fccType)),
  96                                                 HIBYTE(HIWORD(wma->ash_video.fccType)));
  97     TRACE("ash.fccHandler='%c%c%c%c'\n",        LOBYTE(LOWORD(wma->ash_video.fccHandler)),
  98                                                 HIBYTE(LOWORD(wma->ash_video.fccHandler)),
  99                                                 LOBYTE(HIWORD(wma->ash_video.fccHandler)),
 100                                                 HIBYTE(HIWORD(wma->ash_video.fccHandler)));
 101     TRACE("ash.dwFlags=%ld\n",                  wma->ash_video.dwFlags);
 102     TRACE("ash.wPriority=%d\n",                 wma->ash_video.wPriority);
 103     TRACE("ash.wLanguage=%d\n",                 wma->ash_video.wLanguage);
 104     TRACE("ash.dwInitialFrames=%ld\n",          wma->ash_video.dwInitialFrames);
 105     TRACE("ash.dwScale=%ld\n",                  wma->ash_video.dwScale);
 106     TRACE("ash.dwRate=%ld\n",                   wma->ash_video.dwRate);
 107     TRACE("ash.dwStart=%ld\n",                  wma->ash_video.dwStart);
 108     TRACE("ash.dwLength=%ld\n",                 wma->ash_video.dwLength);
 109     TRACE("ash.dwSuggestedBufferSize=%ld\n",    wma->ash_video.dwSuggestedBufferSize);
 110     TRACE("ash.dwQuality=%ld\n",                wma->ash_video.dwQuality);
 111     TRACE("ash.dwSampleSize=%ld\n",             wma->ash_video.dwSampleSize);
 112     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        wma->ash_video.rcFrame.top, wma->ash_video.rcFrame.left,
 113           wma->ash_video.rcFrame.bottom, wma->ash_video.rcFrame.right);
 114
 115     mmioAscend(wma->hFile, &mmckInfo, 0);
 116
 117     mmckInfo.ckid = ckidSTREAMFORMAT;
 118     if (mmioDescend(wma->hFile, &mmckInfo, mmckList, MMIO_FINDCHUNK) != 0) {
 119         WARN("Can't find 'strh' chunk\n");
 120         return FALSE;
 121     }
 122
 123     wma->inbih = HeapAlloc(GetProcessHeap(), 0, mmckInfo.cksize);
 124     if (!wma->inbih) {
 125         WARN("Can't alloc input BIH\n");
 126         return FALSE;
 127     }
 128
 129     mmioRead(wma->hFile, (LPSTR)wma->inbih, mmckInfo.cksize);
 130
 131     TRACE("bih.biSize=%ld\n",           wma->inbih->biSize);
 132     TRACE("bih.biWidth=%ld\n",          wma->inbih->biWidth);
 133     TRACE("bih.biHeight=%ld\n",         wma->inbih->biHeight);
 134     TRACE("bih.biPlanes=%d\n",          wma->inbih->biPlanes);
 135     TRACE("bih.biBitCount=%d\n",        wma->inbih->biBitCount);
 136     TRACE("bih.biCompression=%lx\n",    wma->inbih->biCompression);
 137     TRACE("bih.biSizeImage=%ld\n",      wma->inbih->biSizeImage);
 138     TRACE("bih.biXPelsPerMeter=%ld\n",  wma->inbih->biXPelsPerMeter);
 139     TRACE("bih.biYPelsPerMeter=%ld\n",  wma->inbih->biYPelsPerMeter);
 140     TRACE("bih.biClrUsed=%ld\n",        wma->inbih->biClrUsed);
 141     TRACE("bih.biClrImportant=%ld\n",   wma->inbih->biClrImportant);
 142
 143     mmioAscend(wma->hFile, &mmckInfo, 0);
 144
 145     return TRUE;
 146 }
 147
 148 struct AviListBuild {
 149     DWORD       numVideoFrames;
 150     DWORD       numAudioAllocated;
 151     DWORD       numAudioBlocks;
 152     DWORD       inVideoSize;
 153     DWORD       inAudioSize;
 154 };
 155
 156 static BOOL     MCIAVI_AddFrame(WINE_MCIAVI* wma, LPMMCKINFO mmck,
 157                                 struct AviListBuild* alb)
 158 {
 159     if (mmck->ckid == ckidAVIPADDING) return TRUE;
 160
 161     switch (TWOCCFromFOURCC(mmck->ckid)) {
 162     case cktypeDIBbits:
 163     case cktypeDIBcompressed:
 164     case cktypePALchange:
 165         TRACE("Adding video frame[%ld]: %ld bytes\n",
 166               alb->numVideoFrames, mmck->cksize);
 167         if (alb->numVideoFrames < wma->dwPlayableVideoFrames) {
 168             wma->lpVideoIndex[alb->numVideoFrames].dwOffset = mmck->dwDataOffset;
 169             wma->lpVideoIndex[alb->numVideoFrames].dwSize = mmck->cksize;
 170             if (alb->inVideoSize < mmck->cksize)
 171                 alb->inVideoSize = mmck->cksize;
 172             alb->numVideoFrames++;
 173         } else {
 174             WARN("Too many video frames\n");
 175         }
 176         break;
 177     case cktypeWAVEbytes:
 178         TRACE("Adding audio frame[%ld]: %ld bytes\n",
 179               alb->numAudioBlocks, mmck->cksize);
 180         if (wma->lpWaveFormat) {
 181             if (alb->numAudioBlocks >= alb->numAudioAllocated) {
 182                 alb->numAudioAllocated += 32;
 183                 wma->lpAudioIndex = HeapReAlloc(GetProcessHeap(), 0,
 184                                                 wma->lpAudioIndex,
 185                                                 alb->numAudioAllocated * sizeof(struct MMIOPos));
 186                 if (!wma->lpAudioIndex) return FALSE;
 187             }
 188             wma->lpAudioIndex[alb->numAudioBlocks].dwOffset = mmck->dwDataOffset;
 189             wma->lpAudioIndex[alb->numAudioBlocks].dwSize = mmck->cksize;
 190             if (alb->inAudioSize < mmck->cksize)
 191                 alb->inAudioSize = mmck->cksize;
 192             alb->numAudioBlocks++;
 193         } else {
 194             WARN("Wave chunk without wave format... discarding\n");
 195         }
 196         break;
 197     default:
 198         WARN("Unknown frame type %04x\n", TWOCCFromFOURCC(mmck->ckid));
 199         break;
 200     }
 201     return TRUE;
 202 }
 203
 204 BOOL MCIAVI_GetInfo(WINE_MCIAVI* wma)
 205 {
 206     MMCKINFO            ckMainRIFF;
 207     MMCKINFO            mmckHead;
 208     MMCKINFO            mmckList;
 209     MMCKINFO            mmckInfo;
 210     struct AviListBuild alb;
 211
 212     if (mmioDescend(wma->hFile, &ckMainRIFF, NULL, 0) != 0) {
 213         WARN("Can't find 'RIFF' chunk\n");
 214         return FALSE;
 215     }
 216
 217     if ((ckMainRIFF.ckid != FOURCC_RIFF) || (ckMainRIFF.fccType != formtypeAVI)) {
 218         WARN("Can't find 'AVI ' chunk\n");
 219         return FALSE;
 220     }
 221
 222     mmckHead.fccType = listtypeAVIHEADER;
 223     if (mmioDescend(wma->hFile, &mmckHead, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 224         WARN("Can't find 'hdrl' list\n");
 225         return FALSE;
 226     }
 227
 228     mmckInfo.ckid = ckidAVIMAINHDR;
 229     if (mmioDescend(wma->hFile, &mmckInfo, &mmckHead, MMIO_FINDCHUNK) != 0) {
 230         WARN("Can't find 'avih' chunk\n");
 231         return FALSE;
 232     }
 233
 234     mmioRead(wma->hFile, (LPSTR)&wma->mah, sizeof(wma->mah));
 235
 236     TRACE("mah.dwMicroSecPerFrame=%ld\n",       wma->mah.dwMicroSecPerFrame);
 237     TRACE("mah.dwMaxBytesPerSec=%ld\n",         wma->mah.dwMaxBytesPerSec);
 238     TRACE("mah.dwPaddingGranularity=%ld\n",     wma->mah.dwPaddingGranularity);
 239     TRACE("mah.dwFlags=%ld\n",                  wma->mah.dwFlags);
 240     TRACE("mah.dwTotalFrames=%ld\n",            wma->mah.dwTotalFrames);
 241     TRACE("mah.dwInitialFrames=%ld\n",          wma->mah.dwInitialFrames);
 242     TRACE("mah.dwStreams=%ld\n",                wma->mah.dwStreams);
 243     TRACE("mah.dwSuggestedBufferSize=%ld\n",    wma->mah.dwSuggestedBufferSize);
 244     TRACE("mah.dwWidth=%ld\n",                  wma->mah.dwWidth);
 245     TRACE("mah.dwHeight=%ld\n",                 wma->mah.dwHeight);
 246
 247     mmioAscend(wma->hFile, &mmckInfo, 0);
 248
 249     mmckList.fccType = listtypeSTREAMHEADER;
 250     if (mmioDescend(wma->hFile, &mmckList, &mmckHead, MMIO_FINDLIST) != 0) {
 251         WARN("Can't find 'strl' list\n");
 252         return FALSE;
 253     }
 254
 255     if (!MCIAVI_GetInfoVideo(wma, &mmckList)) {
 256         return FALSE;
 257     }
 258
 259     mmioAscend(wma->hFile, &mmckList, 0);
 260
 261     mmckList.fccType = listtypeSTREAMHEADER;
 262     if (mmioDescend(wma->hFile, &mmckList, &mmckHead, MMIO_FINDLIST) == 0) {
 263         if (!MCIAVI_GetInfoAudio(wma, &mmckList)) {
 264             return FALSE;
 265         }
 266         mmioAscend(wma->hFile, &mmckList, 0);
 267     }
 268
 269     mmioAscend(wma->hFile, &mmckHead, 0);
 270
 271     /* no need to read optional JUNK chunk */
 272
 273     mmckList.fccType = listtypeAVIMOVIE;
 274     if (mmioDescend(wma->hFile, &mmckList, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 275         WARN("Can't find 'movi' list\n");
 276         return FALSE;
 277     }
 278
 279     wma->dwPlayableVideoFrames = wma->mah.dwTotalFrames;
 280     wma->lpVideoIndex = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 281                                   wma->dwPlayableVideoFrames * sizeof(struct MMIOPos));
 282     if (!wma->lpVideoIndex) {
 283         WARN("Can't alloc video index array\n");
 284         return FALSE;
 285     }
 286     wma->dwPlayableAudioBlocks = 0;
 287     wma->lpAudioIndex = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 288                                   wma->dwPlayableVideoFrames * sizeof(struct MMIOPos));
 289     if (!wma->lpAudioIndex) {
 290         WARN("Can't alloc audio index array\n");
 291         return FALSE;
 292     }
 293
 294     alb.numAudioBlocks = alb.numVideoFrames = 0;
 295     alb.inVideoSize = alb.inAudioSize = 0;
 296     alb.numAudioAllocated = 0;
 297
 298     while (mmioDescend(wma->hFile, &mmckInfo, &mmckList, 0) == 0) {
 299         if (mmckInfo.fccType == listtypeAVIRECORD) {
 300             MMCKINFO    tmp;
 301
 302             while (mmioDescend(wma->hFile, &tmp, &mmckInfo, 0) == 0) {
 303                 MCIAVI_AddFrame(wma, &tmp, &alb);
 304                 mmioAscend(wma->hFile, &tmp, 0);
 305             }
 306         } else {
 307             MCIAVI_AddFrame(wma, &mmckInfo, &alb);
 308         }
 309
 310         mmioAscend(wma->hFile, &mmckInfo, 0);
 311     }
 312     if (alb.numVideoFrames != wma->dwPlayableVideoFrames) {
 313         WARN("Found %ld video frames (/%ld), reducing playable frames\n",
 314              alb.numVideoFrames, wma->dwPlayableVideoFrames);
 315         wma->dwPlayableVideoFrames = alb.numVideoFrames;
 316     }
 317     wma->dwPlayableAudioBlocks = alb.numAudioBlocks;
 318
 319     if (alb.inVideoSize > wma->ash_video.dwSuggestedBufferSize) {
 320         WARN("inVideoSize=%ld suggestedSize=%ld\n", alb.inVideoSize, wma->ash_video.dwSuggestedBufferSize);
 321         wma->ash_video.dwSuggestedBufferSize = alb.inVideoSize;
 322     }
 323     if (alb.inAudioSize > wma->ash_audio.dwSuggestedBufferSize) {
 324         WARN("inAudioSize=%ld suggestedSize=%ld\n", alb.inAudioSize, wma->ash_audio.dwSuggestedBufferSize);
 325         wma->ash_audio.dwSuggestedBufferSize = alb.inAudioSize;
 326     }
 327
 328     wma->indata = HeapAlloc(GetProcessHeap(), 0, wma->ash_video.dwSuggestedBufferSize);
 329     if (!wma->indata) {
 330         WARN("Can't alloc input buffer\n");
 331         return FALSE;
 332     }
 333
 334     return TRUE;
 335 }
 336
 337 BOOL    MCIAVI_OpenVideo(WINE_MCIAVI* wma)
 338 {
 339     DWORD       outSize;
 340     FOURCC      fcc = wma->ash_video.fccHandler;
 341
 342     /* check uncompressed AVI */
 343     if ((fcc == mmioFOURCC('D','I','B',' ')) ||
 344         (fcc == mmioFOURCC('R','L','E',' '))) {
 345         wma->hic = 0;
 346         MCIAVI_DrawFrame(wma);
 347         return TRUE;
 348     }
 349
 350     /* get the right handle */
 351     if (fcc == 0) fcc = wma->inbih->biCompression;
 352     if (fcc == mmioFOURCC('C','R','A','M')) fcc = mmioFOURCC('M','S','V','C');
 353
 354     /* try to get a decompressor for that type */
 355     wma->hic = ICLocate(ICTYPE_VIDEO, fcc, wma->inbih, NULL, ICMODE_DECOMPRESS);
 356     if (!wma->hic) {
 357         WARN("Can't locate codec for the file\n");
 358         return FALSE;
 359     }
 360
 361     outSize = sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD);
 362
 363     wma->outbih = HeapAlloc(GetProcessHeap(), 0, outSize);
 364     if (!wma->outbih) {
 365         WARN("Can't alloc output BIH\n");
 366         return FALSE;
 367     }
 368     if (!ICGetDisplayFormat(wma->hic, wma->inbih, wma->outbih, 0, 0, 0)) {
 369         WARN("Can't open decompressor\n");
 370         return FALSE;
 371     }
 372
 373     TRACE("bih.biSize=%ld\n",           wma->outbih->biSize);
 374     TRACE("bih.biWidth=%ld\n",          wma->outbih->biWidth);
 375     TRACE("bih.biHeight=%ld\n",         wma->outbih->biHeight);
 376     TRACE("bih.biPlanes=%d\n",          wma->outbih->biPlanes);
 377     TRACE("bih.biBitCount=%d\n",        wma->outbih->biBitCount);
 378     TRACE("bih.biCompression=%lx\n",    wma->outbih->biCompression);
 379     TRACE("bih.biSizeImage=%ld\n",      wma->outbih->biSizeImage);
 380     TRACE("bih.biXPelsPerMeter=%ld\n",  wma->outbih->biXPelsPerMeter);
 381     TRACE("bih.biYPelsPerMeter=%ld\n",  wma->outbih->biYPelsPerMeter);
 382     TRACE("bih.biClrUsed=%ld\n",        wma->outbih->biClrUsed);
 383     TRACE("bih.biClrImportant=%ld\n",   wma->outbih->biClrImportant);
 384
 385     wma->outdata = HeapAlloc(GetProcessHeap(), 0, wma->outbih->biSizeImage);
 386     if (!wma->outdata) {
 387         WARN("Can't alloc output buffer\n");
 388         return FALSE;
 389     }
 390
 391     if (ICSendMessage(wma->hic, ICM_DECOMPRESS_BEGIN,
 392                       (DWORD)wma->inbih, (DWORD)wma->outbih) != ICERR_OK) {
 393         WARN("Can't begin decompression\n");
 394         return FALSE;
 395     }
 396
 397     MCIAVI_DrawFrame(wma);
 398
 399     return TRUE;
 400 }
 401
 402 static void CALLBACK MCIAVI_waveCallback(HWAVEOUT hwo, UINT uMsg, DWORD dwInstance,
 403                                          DWORD dwParam1, DWORD dwParam2)
 404 {
 405     WINE_MCIAVI*        wma = (WINE_MCIAVI*)dwInstance;
 406
 407     switch (uMsg) {
 408     case WOM_OPEN:
 409     case WOM_CLOSE:
 410         break;
 411     case WOM_DONE:
 412         InterlockedIncrement(&wma->dwEventCount);
 413         TRACE("Returning waveHdr=%lx\n", dwParam1);
 414         SetEvent(wma->hEvent);
 415         break;
 416     default:
 417         ERR("Unknown uMsg=%d\n", uMsg);
 418     }
 419 }
 420
 421 DWORD MCIAVI_OpenAudio(WINE_MCIAVI* wma, unsigned* nHdr, LPWAVEHDR* pWaveHdr)
 422 {
 423     DWORD       dwRet;
 424     LPWAVEHDR   waveHdr;
 425     unsigned    i;
 426
 427     dwRet = waveOutOpen(&wma->hWave, WAVE_MAPPER, wma->lpWaveFormat,
 428                         (DWORD)MCIAVI_waveCallback, (DWORD)wma, CALLBACK_FUNCTION);
 429     if (dwRet != 0) {
 430         TRACE("Can't open low level audio device %ld\n", dwRet);
 431         dwRet = MCIERR_DEVICE_OPEN;
 432         wma->hWave = 0;
 433         goto cleanUp;
 434     }
 435
 436     /* FIXME: should set up a heuristic to compute the number of wave headers
 437      * to be used...
 438      */
 439     *nHdr = 7;
 440     waveHdr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 441                         *nHdr * (sizeof(WAVEHDR) + wma->ash_audio.dwSuggestedBufferSize));
 442     if (!waveHdr) {
 443         TRACE("Can't alloc wave headers\n");
 444         dwRet = MCIERR_DEVICE_OPEN;
 445         goto cleanUp;
 446     }
 447
 448     for (i = 0; i < *nHdr; i++) {
 449         /* other fields are zero:ed on allocation */
 450         waveHdr[i].lpData = (char*)waveHdr +
 451             *nHdr * sizeof(WAVEHDR) + i * wma->ash_audio.dwSuggestedBufferSize;
 452         waveHdr[i].dwBufferLength = wma->ash_audio.dwSuggestedBufferSize;
 453         if (waveOutPrepareHeader(wma->hWave, &waveHdr[i], sizeof(WAVEHDR))) {
 454             dwRet = MCIERR_INTERNAL;
 455             goto cleanUp;
 456         }
 457     }
 458
 459     if (wma->dwCurrVideoFrame != 0 && wma->lpWaveFormat) {
 460         FIXME("Should recompute dwCurrAudioBlock, except unsynchronized sound & video\n");
 461     }
 462     wma->dwCurrAudioBlock = 0;
 463
 464     wma->hEvent = CreateEventA(NULL, FALSE, FALSE, NULL);
 465     wma->dwEventCount = *nHdr - 1;
 466     *pWaveHdr = waveHdr;
 467  cleanUp:
 468     return dwRet;
 469 }
 470
 471 void MCIAVI_PlayAudioBlocks(WINE_MCIAVI* wma, unsigned nHdr, LPWAVEHDR waveHdr)
 472 {
 473     TRACE("%ld (ec=%lu)\n", wma->lpAudioIndex[wma->dwCurrAudioBlock].dwOffset, wma->dwEventCount);
 474
 475     /* push as many blocks as possible => audio gets priority */
 476     while (wma->dwStatus != MCI_MODE_STOP && wma->dwStatus != MCI_MODE_NOT_READY &&
 477            wma->dwCurrAudioBlock < wma->dwPlayableAudioBlocks) {
 478         unsigned        whidx = wma->dwCurrAudioBlock % nHdr;
 479
 480         ResetEvent(wma->hEvent);
 481         if (InterlockedDecrement(&wma->dwEventCount) < 0 ||
 482             !wma->lpAudioIndex[wma->dwCurrAudioBlock].dwOffset)
 483             break;
 484
 485         mmioSeek(wma->hFile, wma->lpAudioIndex[wma->dwCurrAudioBlock].dwOffset, SEEK_SET);
 486         mmioRead(wma->hFile, waveHdr[whidx].lpData, wma->lpAudioIndex[wma->dwCurrAudioBlock].dwSize);
 487
 488         waveHdr[whidx].dwFlags &= ~WHDR_DONE;
 489         waveHdr[whidx].dwBufferLength = wma->lpAudioIndex[wma->dwCurrAudioBlock].dwSize;
 490         waveOutWrite(wma->hWave, &waveHdr[whidx], sizeof(WAVEHDR));
 491         wma->dwCurrAudioBlock++;
 492     }
 493     InterlockedIncrement(&wma->dwEventCount);
 494 }
 495
 496 LRESULT MCIAVI_PaintFrame(WINE_MCIAVI* wma, HDC hDC)
 497 {
 498     void*               pBitmapData = NULL;
 499     LPBITMAPINFO        pBitmapInfo = NULL;
 500     HDC                 hdcMem;
 501     HBITMAP             hbmOld;
 502     int                 nWidth;
 503     int                 nHeight;
 504
 505     if (!hDC || !wma->inbih)
 506         return TRUE;
 507
 508     TRACE("Painting frame %lu\n", wma->dwCurrVideoFrame);
 509
 510     if (wma->hic) {
 511         pBitmapData = wma->outdata;
 512         pBitmapInfo = (LPBITMAPINFO)wma->outbih;
 513
 514         nWidth = wma->outbih->biWidth;
 515         nHeight = wma->outbih->biHeight;
 516     } else {
 517         pBitmapData = wma->indata;
 518         pBitmapInfo = (LPBITMAPINFO)wma->inbih;
 519
 520         nWidth = wma->inbih->biWidth;
 521         nHeight = wma->inbih->biHeight;
 522     }
 523
 524     if (!wma->hbmFrame)
 525         wma->hbmFrame = CreateCompatibleBitmap(hDC, nWidth, nHeight);
 526
 527     SetDIBits(hDC, wma->hbmFrame, 0, nHeight, pBitmapData, pBitmapInfo, DIB_RGB_COLORS);
 528
 529     hdcMem = CreateCompatibleDC(hDC);
 530     hbmOld = SelectObject(hdcMem, wma->hbmFrame);
 531
 532     BitBlt(hDC, 0, 0, nWidth, nHeight, hdcMem, 0, 0, SRCCOPY);
 533
 534     SelectObject(hdcMem, hbmOld);
 535     DeleteDC(hdcMem);
 536     return TRUE;
 537 }
 538
 539 LRESULT MCIAVI_DrawFrame(WINE_MCIAVI* wma)
 540 {
 541     HDC         hDC;
 542
 543     TRACE("Drawing frame %lu\n", wma->dwCurrVideoFrame);
 544
 545     if (!wma->lpVideoIndex[wma->dwCurrVideoFrame].dwOffset)
 546         return FALSE;
 547
 548     EnterCriticalSection(&wma->cs);
 549
 550     mmioSeek(wma->hFile, wma->lpVideoIndex[wma->dwCurrVideoFrame].dwOffset, SEEK_SET);
 551     mmioRead(wma->hFile, wma->indata, wma->lpVideoIndex[wma->dwCurrVideoFrame].dwSize);
 552
 553     /* FIXME ? */
 554     wma->inbih->biSizeImage = wma->lpVideoIndex[wma->dwCurrVideoFrame].dwSize;
 555
 556     if (wma->hic &&
 557         ICDecompress(wma->hic, 0, wma->inbih, wma->indata,
 558                      wma->outbih, wma->outdata) != ICERR_OK) {
 559         LeaveCriticalSection(&wma->cs);
 560         WARN("Decompression error\n");
 561         return FALSE;
 562     }
 563
 564     if (IsWindowVisible(wma->hWnd) && (hDC = GetDC(wma->hWnd)) != 0) {
 565         MCIAVI_PaintFrame(wma, hDC);
 566         ReleaseDC(wma->hWnd, hDC);
 567     }
 568
 569     LeaveCriticalSection(&wma->cs);
 570
 571     return TRUE;
 572 }
 573