dlls/comctl32/animate.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2 /*
   3  * Animation control
   4  *
   5  * Copyright 1998, 1999 Eric Kohl
   6  *                 1999 Eric Pouech
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  *
  22  * NOTES
  23  *   I will only improve this control once in a while.
  24  *     Eric <ekohl@abo.rhein-zeitung.de>
  25  *
  26  * TODO:
  27  *   - check for the 'rec ' list in some AVI files
  28  *   - concurrent access to infoPtr
  29  */
  30
  31 #define COM_NO_WINDOWS_H
  32 #include <stdarg.h>
  33 #include <string.h>
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "wingdi.h"
  37 #include "winuser.h"
  38 #include "winnls.h"
  39 #include "commctrl.h"
  40 #include "vfw.h"
  41 #include "mmsystem.h"
  42 #include "comctl32.h"
  43 #include "wine/debug.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(animate);
  46
  47 static struct {
  48     HMODULE     hModule;
  49     HIC         (WINAPI *fnICOpen)(DWORD, DWORD, UINT);
  50     LRESULT     (WINAPI *fnICClose)(HIC);
  51     LRESULT     (WINAPI *fnICSendMessage)(HIC, UINT, DWORD, DWORD);
  52     DWORD       (WINAPIV *fnICDecompress)(HIC,DWORD,LPBITMAPINFOHEADER,LPVOID,LPBITMAPINFOHEADER,LPVOID);
  53 } fnIC;
  54
  55 typedef struct
  56 {
  57    /* reference to input stream (file or resource) */
  58    HGLOBAL              hRes;
  59    HMMIO                hMMio;  /* handle to mmio stream */
  60    HWND                 hwndSelf;
  61    HWND                 hwndNotify;
  62    /* information on the loaded AVI file */
  63    MainAVIHeader        mah;
  64    AVIStreamHeader      ash;
  65    LPBITMAPINFOHEADER   inbih;
  66    LPDWORD              lpIndex;
  67    /* data for the decompressor */
  68    HIC                  hic;
  69    LPBITMAPINFOHEADER   outbih;
  70    LPVOID               indata;
  71    LPVOID               outdata;
  72    /* data for the background mechanism */
  73    CRITICAL_SECTION     cs;
  74    HANDLE               hStopEvent;
  75    HANDLE               hThread;
  76    DWORD                threadId;
  77    UINT                 uTimer;
  78    /* data for playing the file */
  79    int                  nFromFrame;
  80    int                  nToFrame;
  81    int                  nLoop;
  82    int                  currFrame;
  83    /* tranparency info*/
  84    COLORREF             transparentColor;
  85    HBRUSH               hbrushBG;
  86    HBITMAP              hbmPrevFrame;
  87 } ANIMATE_INFO;
  88
  89 #define ANIMATE_GetInfoPtr(hWnd) ((ANIMATE_INFO *)GetWindowLongPtrW(hWnd, 0))
  90 #define ANIMATE_COLOR_NONE      0xffffffff
  91
  92 static void ANIMATE_Notify(ANIMATE_INFO* infoPtr, UINT notif)
  93 {
  94     SendMessageA(infoPtr->hwndNotify, WM_COMMAND,
  95                  MAKEWPARAM(GetDlgCtrlID(infoPtr->hwndSelf), notif),
  96                  (LPARAM)infoPtr->hwndSelf);
  97 }
  98
  99 static BOOL ANIMATE_LoadResA(ANIMATE_INFO *infoPtr, HINSTANCE hInst, LPSTR lpName)
 100 {
 101     HRSRC       hrsrc;
 102     MMIOINFO    mminfo;
 103     LPVOID      lpAvi;
 104
 105     hrsrc = FindResourceA(hInst, lpName, "AVI");
 106     if (!hrsrc)
 107         return FALSE;
 108
 109     infoPtr->hRes = LoadResource(hInst, hrsrc);
 110     if (!infoPtr->hRes)
 111         return FALSE;
 112
 113     lpAvi = LockResource(infoPtr->hRes);
 114     if (!lpAvi)
 115         return FALSE;
 116
 117     memset(&mminfo, 0, sizeof(mminfo));
 118     mminfo.fccIOProc = FOURCC_MEM;
 119     mminfo.pchBuffer = (LPSTR)lpAvi;
 120     mminfo.cchBuffer = SizeofResource(hInst, hrsrc);
 121     infoPtr->hMMio = mmioOpenA(NULL, &mminfo, MMIO_READ);
 122     if (!infoPtr->hMMio) {
 123         FreeResource(infoPtr->hRes);
 124         return FALSE;
 125     }
 126
 127     return TRUE;
 128 }
 129
 130
 131 static BOOL ANIMATE_LoadFileA(ANIMATE_INFO *infoPtr, LPSTR lpName)
 132 {
 133     infoPtr->hMMio = mmioOpenA((LPSTR)lpName, NULL,
 134                                MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
 135
 136     if (!infoPtr->hMMio)
 137         return FALSE;
 138
 139     return TRUE;
 140 }
 141
 142
 143 static LRESULT ANIMATE_DoStop(ANIMATE_INFO *infoPtr)
 144 {
 145     EnterCriticalSection(&infoPtr->cs);
 146
 147     /* should stop playing */
 148     if (infoPtr->hThread)
 149     {
 150         HANDLE handle = infoPtr->hThread;
 151
 152         TRACE("stopping animation thread\n");
 153         infoPtr->hThread = 0;
 154         SetEvent( infoPtr->hStopEvent );
 155
 156         if (infoPtr->threadId != GetCurrentThreadId())
 157         {
 158             LeaveCriticalSection(&infoPtr->cs);  /* leave it a chance to run */
 159             WaitForSingleObject( handle, INFINITE );
 160             TRACE("animation thread stopped\n");
 161             EnterCriticalSection(&infoPtr->cs);
 162         }
 163
 164         CloseHandle( handle );
 165         CloseHandle( infoPtr->hStopEvent );
 166         infoPtr->hStopEvent = 0;
 167     }
 168     if (infoPtr->uTimer) {
 169         KillTimer(infoPtr->hwndSelf, infoPtr->uTimer);
 170         infoPtr->uTimer = 0;
 171     }
 172
 173     LeaveCriticalSection(&infoPtr->cs);
 174
 175     ANIMATE_Notify(infoPtr, ACN_STOP);
 176
 177     return TRUE;
 178 }
 179
 180
 181 static void ANIMATE_Free(ANIMATE_INFO *infoPtr)
 182 {
 183     if (infoPtr->hMMio) {
 184         ANIMATE_DoStop(infoPtr);
 185         mmioClose(infoPtr->hMMio, 0);
 186         if (infoPtr->hRes) {
 187             FreeResource(infoPtr->hRes);
 188             infoPtr->hRes = 0;
 189         }
 190         if (infoPtr->lpIndex) {
 191             HeapFree(GetProcessHeap(), 0, infoPtr->lpIndex);
 192             infoPtr->lpIndex = NULL;
 193         }
 194         if (infoPtr->hic) {
 195             fnIC.fnICClose(infoPtr->hic);
 196             infoPtr->hic = 0;
 197         }
 198         if (infoPtr->inbih) {
 199             HeapFree(GetProcessHeap(), 0, infoPtr->inbih);
 200             infoPtr->inbih = NULL;
 201         }
 202         if (infoPtr->outbih) {
 203             HeapFree(GetProcessHeap(), 0, infoPtr->outbih);
 204             infoPtr->outbih = NULL;
 205         }
 206         if( infoPtr->indata )
 207         {
 208         HeapFree(GetProcessHeap(), 0, infoPtr->indata);
 209             infoPtr->indata = NULL;
 210         }
 211         if( infoPtr->outdata )
 212         {
 213         HeapFree(GetProcessHeap(), 0, infoPtr->outdata);
 214             infoPtr->outdata = NULL;
 215         }
 216         if( infoPtr->hbmPrevFrame )
 217         {
 218             DeleteObject(infoPtr->hbmPrevFrame);
 219             infoPtr->hbmPrevFrame = 0;
 220         }
 221         infoPtr->indata = infoPtr->outdata = NULL;
 222         infoPtr->hwndSelf = 0;
 223         infoPtr->hMMio = 0;
 224
 225         memset(&infoPtr->mah, 0, sizeof(infoPtr->mah));
 226         memset(&infoPtr->ash, 0, sizeof(infoPtr->ash));
 227         infoPtr->nFromFrame = infoPtr->nToFrame = infoPtr->nLoop = infoPtr->currFrame = 0;
 228     }
 229     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 230 }
 231
 232 static void ANIMATE_TransparentBlt(ANIMATE_INFO* infoPtr, HDC hdcDest, HDC hdcSource)
 233 {
 234     HDC hdcMask;
 235     HBITMAP hbmMask;
 236     HBITMAP hbmOld;
 237
 238     /* create a transparency mask */
 239     hdcMask = CreateCompatibleDC(hdcDest);
 240     hbmMask = CreateBitmap(infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, 1,1,NULL);
 241     hbmOld = SelectObject(hdcMask, hbmMask);
 242
 243     SetBkColor(hdcSource,infoPtr->transparentColor);
 244     BitBlt(hdcMask,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCCOPY);
 245
 246     /* mask the source bitmap */
 247     SetBkColor(hdcSource, RGB(0,0,0));
 248     SetTextColor(hdcSource, RGB(255,255,255));
 249     BitBlt(hdcSource, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
 250
 251     /* mask the destination bitmap */
 252     SetBkColor(hdcDest, RGB(255,255,255));
 253     SetTextColor(hdcDest, RGB(0,0,0));
 254     BitBlt(hdcDest, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
 255
 256     /* combine source and destination */
 257     BitBlt(hdcDest,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCPAINT);
 258
 259     SelectObject(hdcMask, hbmOld);
 260     DeleteObject(hbmMask);
 261     DeleteDC(hdcMask);
 262 }
 263
 264 static LRESULT ANIMATE_PaintFrame(ANIMATE_INFO* infoPtr, HDC hDC)
 265 {
 266     void* pBitmapData = NULL;
 267     LPBITMAPINFO pBitmapInfo = NULL;
 268
 269     HDC hdcMem;
 270     HBITMAP hbmOld;
 271
 272     int nOffsetX = 0;
 273     int nOffsetY = 0;
 274
 275     int nWidth;
 276     int nHeight;
 277
 278     if (!hDC || !infoPtr->inbih)
 279         return TRUE;
 280
 281     if (infoPtr->hic )
 282     {
 283         pBitmapData = infoPtr->outdata;
 284         pBitmapInfo = (LPBITMAPINFO)infoPtr->outbih;
 285
 286         nWidth = infoPtr->outbih->biWidth;
 287         nHeight = infoPtr->outbih->biHeight;
 288     } else
 289     {
 290         pBitmapData = infoPtr->indata;
 291         pBitmapInfo = (LPBITMAPINFO)infoPtr->inbih;
 292
 293         nWidth = infoPtr->inbih->biWidth;
 294         nHeight = infoPtr->inbih->biHeight;
 295     }
 296
 297     if(!infoPtr->hbmPrevFrame)
 298     {
 299         infoPtr->hbmPrevFrame=CreateCompatibleBitmap(hDC, nWidth,nHeight );
 300     }
 301
 302     SetDIBits(hDC, infoPtr->hbmPrevFrame, 0, nHeight, pBitmapData, (LPBITMAPINFO)pBitmapInfo, DIB_RGB_COLORS);
 303
 304     hdcMem = CreateCompatibleDC(hDC);
 305     hbmOld = SelectObject(hdcMem, infoPtr->hbmPrevFrame);
 306
 307     /*
 308      * we need to get the transparent color even without ACS_TRANSPARENT,
 309      * because the style can be changed later on and the color should always
 310      * be obtained in the first frame
 311      */
 312     if(infoPtr->transparentColor == ANIMATE_COLOR_NONE)
 313     {
 314         infoPtr->transparentColor = GetPixel(hdcMem,0,0);
 315     }
 316
 317     if(GetWindowLongA(infoPtr->hwndSelf, GWL_STYLE) & ACS_TRANSPARENT)
 318     {
 319         HDC hdcFinal = CreateCompatibleDC(hDC);
 320         HBITMAP hbmFinal = CreateCompatibleBitmap(hDC,nWidth, nHeight);
 321         HBITMAP hbmOld2 = SelectObject(hdcFinal, hbmFinal);
 322         RECT rect;
 323
 324         rect.left = 0;
 325         rect.top = 0;
 326         rect.right = nWidth;
 327         rect.bottom = nHeight;
 328
 329         if(!infoPtr->hbrushBG)
 330             infoPtr->hbrushBG = GetCurrentObject(hDC, OBJ_BRUSH);
 331
 332         FillRect(hdcFinal, &rect, infoPtr->hbrushBG);
 333         ANIMATE_TransparentBlt(infoPtr, hdcFinal, hdcMem);
 334
 335         SelectObject(hdcFinal, hbmOld2);
 336         SelectObject(hdcMem, hbmFinal);
 337         DeleteDC(hdcFinal);
 338         DeleteObject(infoPtr->hbmPrevFrame);
 339         infoPtr->hbmPrevFrame = hbmFinal;
 340          }
 341
 342     if (GetWindowLongA(infoPtr->hwndSelf, GWL_STYLE) & ACS_CENTER)
 343     {
 344        RECT rect;
 345
 346        GetWindowRect(infoPtr->hwndSelf, &rect);
 347        nOffsetX = ((rect.right - rect.left) - nWidth)/2;
 348        nOffsetY = ((rect.bottom - rect.top) - nHeight)/2;
 349     }
 350     BitBlt(hDC, nOffsetX, nOffsetY, nWidth, nHeight, hdcMem, 0, 0, SRCCOPY);
 351
 352     SelectObject(hdcMem, hbmOld);
 353     DeleteDC(hdcMem);
 354     return TRUE;
 355 }
 356
 357 static LRESULT ANIMATE_DrawFrame(ANIMATE_INFO* infoPtr)
 358 {
 359     HDC         hDC;
 360
 361     TRACE("Drawing frame %d (loop %d)\n", infoPtr->currFrame, infoPtr->nLoop);
 362
 363     EnterCriticalSection(&infoPtr->cs);
 364
 365     mmioSeek(infoPtr->hMMio, infoPtr->lpIndex[infoPtr->currFrame], SEEK_SET);
 366     mmioRead(infoPtr->hMMio, infoPtr->indata, infoPtr->ash.dwSuggestedBufferSize);
 367
 368     if (infoPtr->hic &&
 369         fnIC.fnICDecompress(infoPtr->hic, 0, infoPtr->inbih, infoPtr->indata,
 370                      infoPtr->outbih, infoPtr->outdata) != ICERR_OK) {
 371         LeaveCriticalSection(&infoPtr->cs);
 372         WARN("Decompression error\n");
 373         return FALSE;
 374     }
 375
 376     if ((hDC = GetDC(infoPtr->hwndSelf)) != 0) {
 377         ANIMATE_PaintFrame(infoPtr, hDC);
 378         ReleaseDC(infoPtr->hwndSelf, hDC);
 379     }
 380
 381     if (infoPtr->currFrame++ >= infoPtr->nToFrame) {
 382         infoPtr->currFrame = infoPtr->nFromFrame;
 383         if (infoPtr->nLoop != -1) {
 384             if (--infoPtr->nLoop == 0) {
 385                 ANIMATE_DoStop(infoPtr);
 386             }
 387         }
 388     }
 389     LeaveCriticalSection(&infoPtr->cs);
 390
 391     return TRUE;
 392 }
 393
 394 static DWORD CALLBACK ANIMATE_AnimationThread(LPVOID ptr_)
 395 {
 396     ANIMATE_INFO*       infoPtr = (ANIMATE_INFO*)ptr_;
 397     HANDLE event;
 398     DWORD timeout;
 399
 400     while(1)
 401     {
 402         EnterCriticalSection(&infoPtr->cs);
 403         ANIMATE_DrawFrame(infoPtr);
 404         timeout = infoPtr->mah.dwMicroSecPerFrame;
 405         event = infoPtr->hStopEvent;
 406         LeaveCriticalSection(&infoPtr->cs);
 407
 408         /* time is in microseconds, we should convert it to milliseconds */
 409         if ((event == 0) || WaitForSingleObject( event, (timeout+500)/1000) == WAIT_OBJECT_0)
 410             break;
 411     }
 412     return TRUE;
 413 }
 414
 415 static LRESULT ANIMATE_Play(HWND hWnd, WPARAM wParam, LPARAM lParam)
 416 {
 417     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
 418
 419     /* nothing opened */
 420     if (!infoPtr->hMMio)
 421         return FALSE;
 422
 423     if (infoPtr->hThread || infoPtr->uTimer) {
 424         TRACE("Already playing\n");
 425         return TRUE;
 426     }
 427
 428     infoPtr->nFromFrame = (INT)LOWORD(lParam);
 429     infoPtr->nToFrame   = (INT)HIWORD(lParam);
 430     infoPtr->nLoop      = (INT)wParam;
 431
 432     if (infoPtr->nToFrame == 0xFFFF)
 433         infoPtr->nToFrame = infoPtr->mah.dwTotalFrames - 1;
 434
 435     TRACE("(repeat=%d from=%d to=%d);\n",
 436           infoPtr->nLoop, infoPtr->nFromFrame, infoPtr->nToFrame);
 437
 438     if (infoPtr->nFromFrame >= infoPtr->nToFrame ||
 439         infoPtr->nToFrame >= infoPtr->mah.dwTotalFrames)
 440         return FALSE;
 441
 442     infoPtr->currFrame = infoPtr->nFromFrame;
 443
 444     if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_TIMER) {
 445         TRACE("Using a timer\n");
 446         /* create a timer to display AVI */
 447         infoPtr->uTimer = SetTimer(hWnd, 1, infoPtr->mah.dwMicroSecPerFrame / 1000, NULL);
 448     } else {
 449         if(GetWindowLongA(hWnd, GWL_STYLE) & ACS_TRANSPARENT)
 450         {
 451             infoPtr->hbrushBG = (HBRUSH)SendMessageA(infoPtr->hwndNotify,
 452                                                      WM_CTLCOLORSTATIC, 0, (LPARAM)hWnd);
 453         }
 454
 455         TRACE("Using an animation thread\n");
 456         infoPtr->hStopEvent = CreateEventW( NULL, TRUE, FALSE, NULL );
 457         infoPtr->hThread = CreateThread(0,0,ANIMATE_AnimationThread,(LPVOID)infoPtr, 0, &infoPtr->threadId);
 458         if(!infoPtr->hThread)
 459         {
 460            ERR("Could not create animation thread!\n");
 461            return FALSE;
 462         }
 463
 464     }
 465
 466     ANIMATE_Notify(infoPtr, ACN_START);
 467
 468     return TRUE;
 469 }
 470
 471
 472 static BOOL ANIMATE_GetAviInfo(ANIMATE_INFO *infoPtr)
 473 {
 474     MMCKINFO            ckMainRIFF;
 475     MMCKINFO            mmckHead;
 476     MMCKINFO            mmckList;
 477     MMCKINFO            mmckInfo;
 478     DWORD               numFrame;
 479     DWORD               insize;
 480
 481     if (mmioDescend(infoPtr->hMMio, &ckMainRIFF, NULL, 0) != 0) {
 482         WARN("Can't find 'RIFF' chunk\n");
 483         return FALSE;
 484     }
 485
 486     if ((ckMainRIFF.ckid != FOURCC_RIFF) ||
 487         (ckMainRIFF.fccType != mmioFOURCC('A', 'V', 'I', ' '))) {
 488         WARN("Can't find 'AVI ' chunk\n");
 489         return FALSE;
 490     }
 491
 492     mmckHead.fccType = mmioFOURCC('h', 'd', 'r', 'l');
 493     if (mmioDescend(infoPtr->hMMio, &mmckHead, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 494         WARN("Can't find 'hdrl' list\n");
 495         return FALSE;
 496     }
 497
 498     mmckInfo.ckid = mmioFOURCC('a', 'v', 'i', 'h');
 499     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckHead, MMIO_FINDCHUNK) != 0) {
 500         WARN("Can't find 'avih' chunk\n");
 501         return FALSE;
 502     }
 503
 504     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->mah, sizeof(infoPtr->mah));
 505
 506     TRACE("mah.dwMicroSecPerFrame=%ld\n",       infoPtr->mah.dwMicroSecPerFrame);
 507     TRACE("mah.dwMaxBytesPerSec=%ld\n",         infoPtr->mah.dwMaxBytesPerSec);
 508     TRACE("mah.dwPaddingGranularity=%ld\n",     infoPtr->mah.dwPaddingGranularity);
 509     TRACE("mah.dwFlags=%ld\n",                  infoPtr->mah.dwFlags);
 510     TRACE("mah.dwTotalFrames=%ld\n",            infoPtr->mah.dwTotalFrames);
 511     TRACE("mah.dwInitialFrames=%ld\n",          infoPtr->mah.dwInitialFrames);
 512     TRACE("mah.dwStreams=%ld\n",                infoPtr->mah.dwStreams);
 513     TRACE("mah.dwSuggestedBufferSize=%ld\n",    infoPtr->mah.dwSuggestedBufferSize);
 514     TRACE("mah.dwWidth=%ld\n",                  infoPtr->mah.dwWidth);
 515     TRACE("mah.dwHeight=%ld\n",                 infoPtr->mah.dwHeight);
 516
 517     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 518
 519     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 520     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) != 0) {
 521         WARN("Can't find 'strl' list\n");
 522         return FALSE;
 523     }
 524
 525     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'h');
 526     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 527         WARN("Can't find 'strh' chunk\n");
 528         return FALSE;
 529     }
 530
 531     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->ash, sizeof(infoPtr->ash));
 532
 533     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(infoPtr->ash.fccType)),
 534                                                 HIBYTE(LOWORD(infoPtr->ash.fccType)),
 535                                                 LOBYTE(HIWORD(infoPtr->ash.fccType)),
 536                                                 HIBYTE(HIWORD(infoPtr->ash.fccType)));
 537     TRACE("ash.fccHandler='%c%c%c%c'\n",        LOBYTE(LOWORD(infoPtr->ash.fccHandler)),
 538                                                 HIBYTE(LOWORD(infoPtr->ash.fccHandler)),
 539                                                 LOBYTE(HIWORD(infoPtr->ash.fccHandler)),
 540                                                 HIBYTE(HIWORD(infoPtr->ash.fccHandler)));
 541     TRACE("ash.dwFlags=%ld\n",                  infoPtr->ash.dwFlags);
 542     TRACE("ash.wPriority=%d\n",                 infoPtr->ash.wPriority);
 543     TRACE("ash.wLanguage=%d\n",                 infoPtr->ash.wLanguage);
 544     TRACE("ash.dwInitialFrames=%ld\n",          infoPtr->ash.dwInitialFrames);
 545     TRACE("ash.dwScale=%ld\n",                  infoPtr->ash.dwScale);
 546     TRACE("ash.dwRate=%ld\n",                   infoPtr->ash.dwRate);
 547     TRACE("ash.dwStart=%ld\n",                  infoPtr->ash.dwStart);
 548     TRACE("ash.dwLength=%ld\n",                 infoPtr->ash.dwLength);
 549     TRACE("ash.dwSuggestedBufferSize=%ld\n",    infoPtr->ash.dwSuggestedBufferSize);
 550     TRACE("ash.dwQuality=%ld\n",                infoPtr->ash.dwQuality);
 551     TRACE("ash.dwSampleSize=%ld\n",             infoPtr->ash.dwSampleSize);
 552     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        infoPtr->ash.rcFrame.top, infoPtr->ash.rcFrame.left,
 553           infoPtr->ash.rcFrame.bottom, infoPtr->ash.rcFrame.right);
 554
 555     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 556
 557     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'f');
 558     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 559         WARN("Can't find 'strh' chunk\n");
 560         return FALSE;
 561     }
 562
 563     infoPtr->inbih = HeapAlloc(GetProcessHeap(), 0, mmckInfo.cksize);
 564     if (!infoPtr->inbih) {
 565         WARN("Can't alloc input BIH\n");
 566         return FALSE;
 567     }
 568
 569     mmioRead(infoPtr->hMMio, (LPSTR)infoPtr->inbih, mmckInfo.cksize);
 570
 571     TRACE("bih.biSize=%ld\n",           infoPtr->inbih->biSize);
 572     TRACE("bih.biWidth=%ld\n",          infoPtr->inbih->biWidth);
 573     TRACE("bih.biHeight=%ld\n",         infoPtr->inbih->biHeight);
 574     TRACE("bih.biPlanes=%d\n",          infoPtr->inbih->biPlanes);
 575     TRACE("bih.biBitCount=%d\n",        infoPtr->inbih->biBitCount);
 576     TRACE("bih.biCompression=%ld\n",    infoPtr->inbih->biCompression);
 577     TRACE("bih.biSizeImage=%ld\n",      infoPtr->inbih->biSizeImage);
 578     TRACE("bih.biXPelsPerMeter=%ld\n",  infoPtr->inbih->biXPelsPerMeter);
 579     TRACE("bih.biYPelsPerMeter=%ld\n",  infoPtr->inbih->biYPelsPerMeter);
 580     TRACE("bih.biClrUsed=%ld\n",        infoPtr->inbih->biClrUsed);
 581     TRACE("bih.biClrImportant=%ld\n",   infoPtr->inbih->biClrImportant);
 582
 583     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 584
 585     mmioAscend(infoPtr->hMMio, &mmckList, 0);
 586
 587 #if 0
 588     /* an AVI has 0 or 1 video stream, and to be animated should not contain
 589      * an audio stream, so only one strl is allowed
 590      */
 591     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 592     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) == 0) {
 593         WARN("There should be a single 'strl' list\n");
 594         return FALSE;
 595     }
 596 #endif
 597
 598     mmioAscend(infoPtr->hMMio, &mmckHead, 0);
 599
 600     /* no need to read optional JUNK chunk */
 601
 602     mmckList.fccType = mmioFOURCC('m', 'o', 'v', 'i');
 603     if (mmioDescend(infoPtr->hMMio, &mmckList, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 604         WARN("Can't find 'movi' list\n");
 605         return FALSE;
 606     }
 607
 608     /* FIXME: should handle the 'rec ' LIST when present */
 609
 610     infoPtr->lpIndex = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 611                                  infoPtr->mah.dwTotalFrames * sizeof(DWORD));
 612     if (!infoPtr->lpIndex) {
 613         WARN("Can't alloc index array\n");
 614         return FALSE;
 615     }
 616
 617     numFrame = insize = 0;
 618     while (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, 0) == 0 &&
 619            numFrame < infoPtr->mah.dwTotalFrames) {
 620         infoPtr->lpIndex[numFrame] = mmckInfo.dwDataOffset;
 621         if (insize < mmckInfo.cksize)
 622             insize = mmckInfo.cksize;
 623         numFrame++;
 624         mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 625     }
 626     if (numFrame != infoPtr->mah.dwTotalFrames) {
 627         WARN("Found %ld frames (/%ld)\n", numFrame, infoPtr->mah.dwTotalFrames);
 628         return FALSE;
 629     }
 630     if (insize > infoPtr->ash.dwSuggestedBufferSize) {
 631         WARN("insize=%ld suggestedSize=%ld\n", insize, infoPtr->ash.dwSuggestedBufferSize);
 632         infoPtr->ash.dwSuggestedBufferSize = insize;
 633     }
 634
 635     infoPtr->indata = HeapAlloc(GetProcessHeap(), 0, infoPtr->ash.dwSuggestedBufferSize);
 636     if (!infoPtr->indata) {
 637         WARN("Can't alloc input buffer\n");
 638         return FALSE;
 639     }
 640
 641     return TRUE;
 642 }
 643
 644
 645 static BOOL    ANIMATE_GetAviCodec(ANIMATE_INFO *infoPtr)
 646 {
 647     DWORD       outSize;
 648
 649     /* check uncompressed AVI */
 650     if ((infoPtr->ash.fccHandler == mmioFOURCC('D', 'I', 'B', ' ')) ||
 651        (infoPtr->ash.fccHandler == mmioFOURCC('R', 'L', 'E', ' ')) ||
 652        (infoPtr->ash.fccHandler == mmioFOURCC(0, 0, 0, 0)))
 653     {
 654         infoPtr->hic = 0;
 655         return TRUE;
 656     }
 657
 658     /* try to get a decompressor for that type */
 659     infoPtr->hic = fnIC.fnICOpen(ICTYPE_VIDEO, infoPtr->ash.fccHandler, ICMODE_DECOMPRESS);
 660     if (!infoPtr->hic) {
 661         WARN("Can't load codec for the file\n");
 662         return FALSE;
 663     }
 664
 665     outSize = fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 666                             (DWORD)infoPtr->inbih, 0L);
 667
 668     infoPtr->outbih = HeapAlloc(GetProcessHeap(), 0, outSize);
 669     if (!infoPtr->outbih) {
 670         WARN("Can't alloc output BIH\n");
 671         return FALSE;
 672     }
 673
 674     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 675                       (DWORD)infoPtr->inbih, (DWORD)infoPtr->outbih) != outSize) {
 676         WARN("Can't get output BIH\n");
 677         return FALSE;
 678     }
 679
 680     infoPtr->outdata = HeapAlloc(GetProcessHeap(), 0, infoPtr->outbih->biSizeImage);
 681     if (!infoPtr->outdata) {
 682         WARN("Can't alloc output buffer\n");
 683         return FALSE;
 684     }
 685
 686     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_BEGIN,
 687                       (DWORD)infoPtr->inbih, (DWORD)infoPtr->outbih) != ICERR_OK) {
 688         WARN("Can't begin decompression\n");
 689         return FALSE;
 690     }
 691
 692     return TRUE;
 693 }
 694
 695 static LRESULT ANIMATE_OpenA(HWND hWnd, WPARAM wParam, LPARAM lParam)
 696 {
 697     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
 698     HINSTANCE hInstance = (HINSTANCE)wParam;
 699
 700     ANIMATE_Free(infoPtr);
 701     infoPtr->hwndSelf = hWnd;
 702
 703     if (!lParam) {
 704         TRACE("Closing avi!\n");
 705         /* installer of thebat! v1.62 requires FALSE here */
 706         return (infoPtr->hMMio != 0);
 707     }
 708
 709     if (!hInstance)
 710        hInstance = (HINSTANCE)GetWindowLongPtrW(hWnd, GWLP_HINSTANCE);
 711
 712     if (HIWORD(lParam)) {
 713         TRACE("(\"%s\");\n", (LPSTR)lParam);
 714
 715         if (!ANIMATE_LoadResA(infoPtr, hInstance, (LPSTR)lParam)) {
 716             TRACE("No AVI resource found!\n");
 717             if (!ANIMATE_LoadFileA(infoPtr, (LPSTR)lParam)) {
 718                 WARN("No AVI file found!\n");
 719                 return FALSE;
 720             }
 721         }
 722     } else {
 723         TRACE("(%u);\n", (WORD)LOWORD(lParam));
 724
 725         if (!ANIMATE_LoadResA(infoPtr, hInstance,
 726                               MAKEINTRESOURCEA((INT)lParam))) {
 727             WARN("No AVI resource found!\n");
 728             return FALSE;
 729         }
 730     }
 731
 732     if (!ANIMATE_GetAviInfo(infoPtr)) {
 733         WARN("Can't get AVI information\n");
 734         ANIMATE_Free(infoPtr);
 735         return FALSE;
 736     }
 737
 738     if (!ANIMATE_GetAviCodec(infoPtr)) {
 739         WARN("Can't get AVI Codec\n");
 740         ANIMATE_Free(infoPtr);
 741         return FALSE;
 742     }
 743
 744     if (!GetWindowLongA(hWnd, GWL_STYLE) & ACS_CENTER) {
 745         SetWindowPos(hWnd, 0, 0, 0, infoPtr->mah.dwWidth, infoPtr->mah.dwHeight,
 746                      SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
 747     }
 748
 749     if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_AUTOPLAY) {
 750         return ANIMATE_Play(hWnd, -1, (LPARAM)MAKELONG(0, infoPtr->mah.dwTotalFrames-1));
 751     }
 752
 753     return TRUE;
 754 }
 755
 756
 757 /* << ANIMATE_Open32W >> */
 758
 759 static LRESULT ANIMATE_Stop(HWND hWnd, WPARAM wParam, LPARAM lParam)
 760 {
 761     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
 762
 763     /* nothing opened */
 764     if (!infoPtr->hMMio)
 765         return FALSE;
 766
 767     ANIMATE_DoStop(infoPtr);
 768     return TRUE;
 769 }
 770
 771
 772 static LRESULT ANIMATE_Create(HWND hWnd, WPARAM wParam, LPARAM lParam)
 773 {
 774     ANIMATE_INFO*       infoPtr;
 775
 776     if (!fnIC.hModule) /* FIXME: not thread safe */
 777     {
 778         /* since there's a circular dep between msvfw32 and comctl32, we could either:
 779          * - fix the build chain to allow this circular dep
 780          * - handle it by hand
 781          * AJ wants the latter :-(
 782          */
 783         fnIC.hModule = LoadLibraryA("msvfw32.dll");
 784         if (!fnIC.hModule) return FALSE;
 785
 786         fnIC.fnICOpen        = (void*)GetProcAddress(fnIC.hModule, "ICOpen");
 787         fnIC.fnICClose       = (void*)GetProcAddress(fnIC.hModule, "ICClose");
 788         fnIC.fnICSendMessage = (void*)GetProcAddress(fnIC.hModule, "ICSendMessage");
 789         fnIC.fnICDecompress  = (void*)GetProcAddress(fnIC.hModule, "ICDecompress");
 790     }
 791
 792     /* allocate memory for info structure */
 793     infoPtr = (ANIMATE_INFO *)Alloc(sizeof(ANIMATE_INFO));
 794     if (!infoPtr) {
 795         ERR("could not allocate info memory!\n");
 796         return 0;
 797     }
 798
 799     /* store crossref hWnd <-> info structure */
 800     SetWindowLongPtrW(hWnd, 0, (DWORD_PTR)infoPtr);
 801     infoPtr->hwndSelf = hWnd;
 802     infoPtr->hwndNotify = ((LPCREATESTRUCTA)lParam)->hwndParent;
 803     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 804     infoPtr->hbmPrevFrame = 0;
 805
 806     TRACE("Animate style=0x%08lx, parent=%p\n", GetWindowLongA(hWnd, GWL_STYLE), infoPtr->hwndNotify);
 807
 808     InitializeCriticalSection(&infoPtr->cs);
 809
 810     return TRUE;
 811 }
 812
 813
 814 static LRESULT ANIMATE_Destroy(HWND hWnd, WPARAM wParam, LPARAM lParam)
 815 {
 816     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
 817
 818
 819     /* free avi data */
 820     ANIMATE_Free(infoPtr);
 821
 822     /* free animate info data */
 823     Free(infoPtr);
 824     SetWindowLongPtrW(hWnd, 0, 0);
 825
 826     return 0;
 827 }
 828
 829
 830 static LRESULT ANIMATE_EraseBackground(HWND hWnd, WPARAM wParam, LPARAM lParam)
 831 {
 832     ANIMATE_INFO *infoPtr = ANIMATE_GetInfoPtr(hWnd);
 833     RECT rect;
 834     HBRUSH hBrush = 0;
 835
 836     if(GetWindowLongA(hWnd, GWL_STYLE) & ACS_TRANSPARENT)
 837     {
 838         hBrush = (HBRUSH)SendMessageA(infoPtr->hwndNotify,WM_CTLCOLORSTATIC,
 839                                       wParam, (LPARAM)hWnd);
 840     }
 841
 842     GetClientRect(hWnd, &rect);
 843     FillRect((HDC)wParam, &rect, hBrush ? hBrush : GetCurrentObject((HDC)wParam, OBJ_BRUSH));
 844
 845     return TRUE;
 846 }
 847
 848 static LRESULT WINAPI ANIMATE_Size(HWND hWnd, WPARAM wParam, LPARAM lParam)
 849 {
 850     if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_CENTER) {
 851         InvalidateRect(hWnd, NULL, TRUE);
 852     }
 853     return TRUE;
 854 }
 855
 856 static LRESULT WINAPI ANIMATE_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 857 {
 858     TRACE("hwnd=%p msg=%x wparam=%x lparam=%lx\n", hWnd, uMsg, wParam, lParam);
 859     if (!ANIMATE_GetInfoPtr(hWnd) && (uMsg != WM_NCCREATE))
 860         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 861     switch (uMsg)
 862     {
 863     case ACM_OPENA:
 864         return ANIMATE_OpenA(hWnd, wParam, lParam);
 865
 866     case ACM_OPENW:
 867         FIXME("ACM_OPENW: stub!\n");
 868         /* return ANIMATE_Open32W(hWnd, wParam, lParam); */
 869         return 0;
 870
 871     case ACM_PLAY:
 872         return ANIMATE_Play(hWnd, wParam, lParam);
 873
 874     case ACM_STOP:
 875         return ANIMATE_Stop(hWnd, wParam, lParam);
 876
 877     case WM_NCCREATE:
 878         return ANIMATE_Create(hWnd, wParam, lParam);
 879
 880     case WM_NCHITTEST:
 881         return HTTRANSPARENT;
 882
 883     case WM_DESTROY:
 884         return ANIMATE_Destroy(hWnd, wParam, lParam);
 885
 886     case WM_ERASEBKGND:
 887         return ANIMATE_EraseBackground(hWnd, wParam, lParam);
 888
 889     /*  case WM_STYLECHANGED: FIXME shall we do something ?? */
 890
 891     case WM_TIMER:
 892         if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_TRANSPARENT)
 893         {
 894             ANIMATE_INFO* infoPtr = ANIMATE_GetInfoPtr(hWnd);
 895             infoPtr->hbrushBG = (HBRUSH)SendMessageA(infoPtr->hwndNotify,
 896                                                      WM_CTLCOLORSTATIC,
 897                                                      wParam, (LPARAM)hWnd);
 898         }
 899         return ANIMATE_DrawFrame(ANIMATE_GetInfoPtr(hWnd));
 900
 901     case WM_PAINT:
 902         {
 903             ANIMATE_INFO* infoPtr = ANIMATE_GetInfoPtr(hWnd);
 904
 905             /* the animation isn't playing, or has not decompressed
 906              * (and displayed) the first frame yet, don't paint
 907              */
 908             if ((!infoPtr->uTimer && !infoPtr->hThread) ||
 909                 !infoPtr->hbmPrevFrame)
 910             {
 911                 /* default paint handling */
 912                 return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 913             }
 914
 915             if (GetWindowLongA(hWnd, GWL_STYLE) & ACS_TRANSPARENT)
 916                 infoPtr->hbrushBG = (HBRUSH)SendMessageA(infoPtr->hwndNotify,
 917                                                          WM_CTLCOLORSTATIC,
 918                                                          wParam, (LPARAM)hWnd);
 919
 920             if (wParam)
 921             {
 922                 EnterCriticalSection(&infoPtr->cs);
 923                 ANIMATE_PaintFrame(infoPtr, (HDC)wParam);
 924                 LeaveCriticalSection(&infoPtr->cs);
 925             }
 926             else
 927             {
 928                 PAINTSTRUCT ps;
 929                 HDC hDC = BeginPaint(hWnd, &ps);
 930
 931                 EnterCriticalSection(&infoPtr->cs);
 932                 ANIMATE_PaintFrame(infoPtr, hDC);
 933                 LeaveCriticalSection(&infoPtr->cs);
 934
 935                 EndPaint(hWnd, &ps);
 936             }
 937         }
 938         break;
 939
 940     case WM_SIZE:
 941         return ANIMATE_Size(hWnd, wParam, lParam);
 942
 943     default:
 944         if ((uMsg >= WM_USER) && (uMsg < WM_APP))
 945             ERR("unknown msg %04x wp=%08x lp=%08lx\n", uMsg, wParam, lParam);
 946
 947         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 948     }
 949     return 0;
 950 }
 951
 952 void ANIMATE_Register(void)
 953 {
 954     WNDCLASSA wndClass;
 955
 956     ZeroMemory(&wndClass, sizeof(WNDCLASSA));
 957     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS;
 958     wndClass.lpfnWndProc   = ANIMATE_WindowProc;
 959     wndClass.cbClsExtra    = 0;
 960     wndClass.cbWndExtra    = sizeof(ANIMATE_INFO *);
 961     wndClass.hCursor       = LoadCursorA(0, (LPSTR)IDC_ARROW);
 962     wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
 963     wndClass.lpszClassName = ANIMATE_CLASSA;
 964
 965     RegisterClassA(&wndClass);
 966 }
 967
 968
 969 void ANIMATE_Unregister(void)
 970 {
 971     UnregisterClassA(ANIMATE_CLASSA, NULL);
 972 }