dlls/comctl32/animate.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2 /*
   3  * Animation control
   4  *
   5  * Copyright 1998, 1999 Eric Kohl
   6  * Copyright 1999 Eric Pouech
   7  * Copyright 2005 Dimitrie O. Paun
   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  * NOTES
  24  *   I will only improve this control once in a while.
  25  *     Eric <ekohl@abo.rhein-zeitung.de>
  26  *
  27  * TODO:
  28  *   - check for the 'rec ' list in some AVI files
  29  *   - concurrent access to infoPtr
  30  */
  31
  32 #define COM_NO_WINDOWS_H
  33 #include <stdarg.h>
  34 #include <string.h>
  35 #include "windef.h"
  36 #include "winbase.h"
  37 #include "wingdi.h"
  38 #include "winuser.h"
  39 #include "winnls.h"
  40 #include "commctrl.h"
  41 #include "vfw.h"
  42 #include "mmsystem.h"
  43 #include "comctl32.h"
  44 #include "wine/debug.h"
  45
  46 WINE_DEFAULT_DEBUG_CHANNEL(animate);
  47
  48 static struct {
  49     HMODULE     hModule;
  50     HIC         (WINAPI *fnICOpen)(DWORD, DWORD, UINT);
  51     LRESULT     (WINAPI *fnICClose)(HIC);
  52     LRESULT     (WINAPI *fnICSendMessage)(HIC, UINT, DWORD, DWORD);
  53     DWORD       (WINAPIV *fnICDecompress)(HIC,DWORD,LPBITMAPINFOHEADER,LPVOID,LPBITMAPINFOHEADER,LPVOID);
  54 } fnIC;
  55
  56 typedef struct
  57 {
  58    /* reference to input stream (file or resource) */
  59    HGLOBAL              hRes;
  60    HMMIO                hMMio;  /* handle to mmio stream */
  61    HWND                 hwndSelf;
  62    HWND                 hwndNotify;
  63    /* information on the loaded AVI file */
  64    MainAVIHeader        mah;
  65    AVIStreamHeader      ash;
  66    LPBITMAPINFOHEADER   inbih;
  67    LPDWORD              lpIndex;
  68    /* data for the decompressor */
  69    HIC                  hic;
  70    LPBITMAPINFOHEADER   outbih;
  71    LPVOID               indata;
  72    LPVOID               outdata;
  73    /* data for the background mechanism */
  74    CRITICAL_SECTION     cs;
  75    HANDLE               hStopEvent;
  76    HANDLE               hThread;
  77    DWORD                threadId;
  78    UINT                 uTimer;
  79    /* data for playing the file */
  80    int                  nFromFrame;
  81    int                  nToFrame;
  82    int                  nLoop;
  83    int                  currFrame;
  84    /* tranparency info*/
  85    COLORREF             transparentColor;
  86    HBRUSH               hbrushBG;
  87    HBITMAP              hbmPrevFrame;
  88 } ANIMATE_INFO;
  89
  90 #define ANIMATE_COLOR_NONE      0xffffffff
  91
  92 static void ANIMATE_Notify(ANIMATE_INFO *infoPtr, UINT notif)
  93 {
  94     SendMessageW(infoPtr->hwndNotify, WM_COMMAND,
  95                  MAKEWPARAM(GetDlgCtrlID(infoPtr->hwndSelf), notif),
  96                  (LPARAM)infoPtr->hwndSelf);
  97 }
  98
  99 static BOOL ANIMATE_LoadResW(ANIMATE_INFO *infoPtr, HINSTANCE hInst, LPWSTR lpName)
 100 {
 101     static const WCHAR aviW[] = { 'A', 'V', 'I', 0 };
 102     HRSRC       hrsrc;
 103     MMIOINFO    mminfo;
 104     LPVOID      lpAvi;
 105
 106     hrsrc = FindResourceW(hInst, lpName, aviW);
 107     if (!hrsrc)
 108         return FALSE;
 109
 110     infoPtr->hRes = LoadResource(hInst, hrsrc);
 111     if (!infoPtr->hRes)
 112         return FALSE;
 113
 114     lpAvi = LockResource(infoPtr->hRes);
 115     if (!lpAvi)
 116         return FALSE;
 117
 118     memset(&mminfo, 0, sizeof(mminfo));
 119     mminfo.fccIOProc = FOURCC_MEM;
 120     mminfo.pchBuffer = (LPSTR)lpAvi;
 121     mminfo.cchBuffer = SizeofResource(hInst, hrsrc);
 122     infoPtr->hMMio = mmioOpenW(NULL, &mminfo, MMIO_READ);
 123     if (!infoPtr->hMMio)
 124     {
 125         FreeResource(infoPtr->hRes);
 126         return FALSE;
 127     }
 128
 129     return TRUE;
 130 }
 131
 132
 133 static BOOL ANIMATE_LoadFileW(ANIMATE_INFO *infoPtr, LPWSTR lpName)
 134 {
 135     infoPtr->hMMio = mmioOpenW(lpName, 0, MMIO_ALLOCBUF | MMIO_READ | MMIO_DENYWRITE);
 136
 137     return (BOOL)infoPtr->hMMio;
 138 }
 139
 140
 141 static BOOL ANIMATE_DoStop(ANIMATE_INFO *infoPtr)
 142 {
 143     EnterCriticalSection(&infoPtr->cs);
 144
 145     /* should stop playing */
 146     if (infoPtr->hThread)
 147     {
 148         HANDLE handle = infoPtr->hThread;
 149
 150         TRACE("stopping animation thread\n");
 151         infoPtr->hThread = 0;
 152         SetEvent( infoPtr->hStopEvent );
 153
 154         if (infoPtr->threadId != GetCurrentThreadId())
 155         {
 156             LeaveCriticalSection(&infoPtr->cs);  /* leave it a chance to run */
 157             WaitForSingleObject( handle, INFINITE );
 158             TRACE("animation thread stopped\n");
 159             EnterCriticalSection(&infoPtr->cs);
 160         }
 161
 162         CloseHandle( handle );
 163         CloseHandle( infoPtr->hStopEvent );
 164         infoPtr->hStopEvent = 0;
 165     }
 166     if (infoPtr->uTimer) {
 167         KillTimer(infoPtr->hwndSelf, infoPtr->uTimer);
 168         infoPtr->uTimer = 0;
 169     }
 170
 171     LeaveCriticalSection(&infoPtr->cs);
 172
 173     ANIMATE_Notify(infoPtr, ACN_STOP);
 174
 175     return TRUE;
 176 }
 177
 178
 179 static void ANIMATE_Free(ANIMATE_INFO *infoPtr)
 180 {
 181     if (infoPtr->hMMio) {
 182         ANIMATE_DoStop(infoPtr);
 183         mmioClose(infoPtr->hMMio, 0);
 184         if (infoPtr->hRes) {
 185             FreeResource(infoPtr->hRes);
 186             infoPtr->hRes = 0;
 187         }
 188         HeapFree(GetProcessHeap(), 0, infoPtr->lpIndex);
 189         infoPtr->lpIndex = NULL;
 190         if (infoPtr->hic) {
 191             fnIC.fnICClose(infoPtr->hic);
 192             infoPtr->hic = 0;
 193         }
 194         HeapFree(GetProcessHeap(), 0, infoPtr->inbih);
 195         infoPtr->inbih = NULL;
 196         HeapFree(GetProcessHeap(), 0, infoPtr->outbih);
 197         infoPtr->outbih = NULL;
 198         HeapFree(GetProcessHeap(), 0, infoPtr->indata);
 199         infoPtr->indata = NULL;
 200         HeapFree(GetProcessHeap(), 0, infoPtr->outdata);
 201         infoPtr->outdata = NULL;
 202         if( infoPtr->hbmPrevFrame )
 203         {
 204             DeleteObject(infoPtr->hbmPrevFrame);
 205             infoPtr->hbmPrevFrame = 0;
 206         }
 207
 208         memset(&infoPtr->mah, 0, sizeof(infoPtr->mah));
 209         memset(&infoPtr->ash, 0, sizeof(infoPtr->ash));
 210         infoPtr->nFromFrame = infoPtr->nToFrame = infoPtr->nLoop = infoPtr->currFrame = 0;
 211     }
 212     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 213 }
 214
 215 static void ANIMATE_TransparentBlt(ANIMATE_INFO *infoPtr, HDC hdcDest, HDC hdcSource)
 216 {
 217     HDC hdcMask;
 218     HBITMAP hbmMask;
 219     HBITMAP hbmOld;
 220
 221     /* create a transparency mask */
 222     hdcMask = CreateCompatibleDC(hdcDest);
 223     hbmMask = CreateBitmap(infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, 1,1,NULL);
 224     hbmOld = SelectObject(hdcMask, hbmMask);
 225
 226     SetBkColor(hdcSource,infoPtr->transparentColor);
 227     BitBlt(hdcMask,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCCOPY);
 228
 229     /* mask the source bitmap */
 230     SetBkColor(hdcSource, RGB(0,0,0));
 231     SetTextColor(hdcSource, RGB(255,255,255));
 232     BitBlt(hdcSource, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
 233
 234     /* mask the destination bitmap */
 235     SetBkColor(hdcDest, RGB(255,255,255));
 236     SetTextColor(hdcDest, RGB(0,0,0));
 237     BitBlt(hdcDest, 0, 0, infoPtr->inbih->biWidth, infoPtr->inbih->biHeight, hdcMask, 0, 0, SRCAND);
 238
 239     /* combine source and destination */
 240     BitBlt(hdcDest,0,0,infoPtr->inbih->biWidth, infoPtr->inbih->biHeight,hdcSource,0,0,SRCPAINT);
 241
 242     SelectObject(hdcMask, hbmOld);
 243     DeleteObject(hbmMask);
 244     DeleteDC(hdcMask);
 245 }
 246
 247 static BOOL ANIMATE_PaintFrame(ANIMATE_INFO* infoPtr, HDC hDC)
 248 {
 249     void* pBitmapData = NULL;
 250     LPBITMAPINFO pBitmapInfo = NULL;
 251
 252     HDC hdcMem;
 253     HBITMAP hbmOld;
 254
 255     int nOffsetX = 0;
 256     int nOffsetY = 0;
 257
 258     int nWidth;
 259     int nHeight;
 260
 261     if (!hDC || !infoPtr->inbih)
 262         return TRUE;
 263
 264     if (infoPtr->hic )
 265     {
 266         pBitmapData = infoPtr->outdata;
 267         pBitmapInfo = (LPBITMAPINFO)infoPtr->outbih;
 268
 269         nWidth = infoPtr->outbih->biWidth;
 270         nHeight = infoPtr->outbih->biHeight;
 271     } else
 272     {
 273         pBitmapData = infoPtr->indata;
 274         pBitmapInfo = (LPBITMAPINFO)infoPtr->inbih;
 275
 276         nWidth = infoPtr->inbih->biWidth;
 277         nHeight = infoPtr->inbih->biHeight;
 278     }
 279
 280     if(!infoPtr->hbmPrevFrame)
 281     {
 282         infoPtr->hbmPrevFrame=CreateCompatibleBitmap(hDC, nWidth,nHeight );
 283     }
 284
 285     SetDIBits(hDC, infoPtr->hbmPrevFrame, 0, nHeight, pBitmapData, (LPBITMAPINFO)pBitmapInfo, DIB_RGB_COLORS);
 286
 287     hdcMem = CreateCompatibleDC(hDC);
 288     hbmOld = SelectObject(hdcMem, infoPtr->hbmPrevFrame);
 289
 290     /*
 291      * we need to get the transparent color even without ACS_TRANSPARENT,
 292      * because the style can be changed later on and the color should always
 293      * be obtained in the first frame
 294      */
 295     if(infoPtr->transparentColor == ANIMATE_COLOR_NONE)
 296     {
 297         infoPtr->transparentColor = GetPixel(hdcMem,0,0);
 298     }
 299
 300     if(GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & ACS_TRANSPARENT)
 301     {
 302         HDC hdcFinal = CreateCompatibleDC(hDC);
 303         HBITMAP hbmFinal = CreateCompatibleBitmap(hDC,nWidth, nHeight);
 304         HBITMAP hbmOld2 = SelectObject(hdcFinal, hbmFinal);
 305         RECT rect;
 306
 307         rect.left = 0;
 308         rect.top = 0;
 309         rect.right = nWidth;
 310         rect.bottom = nHeight;
 311
 312         if(!infoPtr->hbrushBG)
 313             infoPtr->hbrushBG = GetCurrentObject(hDC, OBJ_BRUSH);
 314
 315         FillRect(hdcFinal, &rect, infoPtr->hbrushBG);
 316         ANIMATE_TransparentBlt(infoPtr, hdcFinal, hdcMem);
 317
 318         SelectObject(hdcFinal, hbmOld2);
 319         SelectObject(hdcMem, hbmFinal);
 320         DeleteDC(hdcFinal);
 321         DeleteObject(infoPtr->hbmPrevFrame);
 322         infoPtr->hbmPrevFrame = hbmFinal;
 323          }
 324
 325     if (GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & ACS_CENTER)
 326     {
 327        RECT rect;
 328
 329        GetWindowRect(infoPtr->hwndSelf, &rect);
 330        nOffsetX = ((rect.right - rect.left) - nWidth)/2;
 331        nOffsetY = ((rect.bottom - rect.top) - nHeight)/2;
 332     }
 333     BitBlt(hDC, nOffsetX, nOffsetY, nWidth, nHeight, hdcMem, 0, 0, SRCCOPY);
 334
 335     SelectObject(hdcMem, hbmOld);
 336     DeleteDC(hdcMem);
 337     return TRUE;
 338 }
 339
 340 static BOOL ANIMATE_DrawFrame(ANIMATE_INFO *infoPtr)
 341 {
 342     HDC         hDC;
 343
 344     TRACE("Drawing frame %d (loop %d)\n", infoPtr->currFrame, infoPtr->nLoop);
 345
 346     EnterCriticalSection(&infoPtr->cs);
 347
 348     mmioSeek(infoPtr->hMMio, infoPtr->lpIndex[infoPtr->currFrame], SEEK_SET);
 349     mmioRead(infoPtr->hMMio, infoPtr->indata, infoPtr->ash.dwSuggestedBufferSize);
 350
 351     if (infoPtr->hic &&
 352         fnIC.fnICDecompress(infoPtr->hic, 0, infoPtr->inbih, infoPtr->indata,
 353                      infoPtr->outbih, infoPtr->outdata) != ICERR_OK) {
 354         LeaveCriticalSection(&infoPtr->cs);
 355         WARN("Decompression error\n");
 356         return FALSE;
 357     }
 358
 359     if ((hDC = GetDC(infoPtr->hwndSelf)) != 0) {
 360         ANIMATE_PaintFrame(infoPtr, hDC);
 361         ReleaseDC(infoPtr->hwndSelf, hDC);
 362     }
 363
 364     if (infoPtr->currFrame++ >= infoPtr->nToFrame) {
 365         infoPtr->currFrame = infoPtr->nFromFrame;
 366         if (infoPtr->nLoop != -1) {
 367             if (--infoPtr->nLoop == 0) {
 368                 ANIMATE_DoStop(infoPtr);
 369             }
 370         }
 371     }
 372     LeaveCriticalSection(&infoPtr->cs);
 373
 374     return TRUE;
 375 }
 376
 377 static DWORD CALLBACK ANIMATE_AnimationThread(LPVOID ptr_)
 378 {
 379     ANIMATE_INFO *infoPtr = (ANIMATE_INFO *)ptr_;
 380     HANDLE event;
 381     DWORD timeout;
 382
 383     while(1)
 384     {
 385         EnterCriticalSection(&infoPtr->cs);
 386         ANIMATE_DrawFrame(infoPtr);
 387         timeout = infoPtr->mah.dwMicroSecPerFrame;
 388         event = infoPtr->hStopEvent;
 389         LeaveCriticalSection(&infoPtr->cs);
 390
 391         /* time is in microseconds, we should convert it to milliseconds */
 392         if ((event == 0) || WaitForSingleObject( event, (timeout+500)/1000) == WAIT_OBJECT_0)
 393             break;
 394     }
 395     return TRUE;
 396 }
 397
 398 static LRESULT ANIMATE_Play(ANIMATE_INFO *infoPtr, UINT cRepeat, WORD wFrom, WORD wTo)
 399 {
 400     /* nothing opened */
 401     if (!infoPtr->hMMio)
 402         return FALSE;
 403
 404     if (infoPtr->hThread || infoPtr->uTimer) {
 405         TRACE("Already playing\n");
 406         return TRUE;
 407     }
 408
 409     infoPtr->nFromFrame = wFrom;
 410     infoPtr->nToFrame   = wTo;
 411     infoPtr->nLoop      = cRepeat;
 412
 413     if (infoPtr->nToFrame == 0xFFFF)
 414         infoPtr->nToFrame = infoPtr->mah.dwTotalFrames - 1;
 415
 416     TRACE("(repeat=%d from=%d to=%d);\n",
 417           infoPtr->nLoop, infoPtr->nFromFrame, infoPtr->nToFrame);
 418
 419     if (infoPtr->nFromFrame >= infoPtr->nToFrame ||
 420         infoPtr->nToFrame >= infoPtr->mah.dwTotalFrames)
 421         return FALSE;
 422
 423     infoPtr->currFrame = infoPtr->nFromFrame;
 424
 425     if (GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & ACS_TIMER)
 426     {
 427         TRACE("Using a timer\n");
 428         /* create a timer to display AVI */
 429         infoPtr->uTimer = SetTimer(infoPtr->hwndSelf, 1,
 430                                    infoPtr->mah.dwMicroSecPerFrame / 1000, NULL);
 431     }
 432     else
 433     {
 434         if(GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & ACS_TRANSPARENT)
 435         {
 436             infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
 437                                                      WM_CTLCOLORSTATIC, 0,
 438                                                      (LPARAM)infoPtr->hwndSelf);
 439         }
 440
 441         TRACE("Using an animation thread\n");
 442         infoPtr->hStopEvent = CreateEventW( NULL, TRUE, FALSE, NULL );
 443         infoPtr->hThread = CreateThread(0, 0, ANIMATE_AnimationThread,
 444                                         (LPVOID)infoPtr, 0, &infoPtr->threadId);
 445         if(!infoPtr->hThread)
 446         {
 447             ERR("Could not create animation thread!\n");
 448             return FALSE;
 449         }
 450
 451     }
 452
 453     ANIMATE_Notify(infoPtr, ACN_START);
 454
 455     return TRUE;
 456 }
 457
 458
 459 static BOOL ANIMATE_GetAviInfo(ANIMATE_INFO *infoPtr)
 460 {
 461     MMCKINFO            ckMainRIFF;
 462     MMCKINFO            mmckHead;
 463     MMCKINFO            mmckList;
 464     MMCKINFO            mmckInfo;
 465     DWORD               numFrame;
 466     DWORD               insize;
 467
 468     if (mmioDescend(infoPtr->hMMio, &ckMainRIFF, NULL, 0) != 0) {
 469         WARN("Can't find 'RIFF' chunk\n");
 470         return FALSE;
 471     }
 472
 473     if ((ckMainRIFF.ckid != FOURCC_RIFF) ||
 474         (ckMainRIFF.fccType != mmioFOURCC('A', 'V', 'I', ' '))) {
 475         WARN("Can't find 'AVI ' chunk\n");
 476         return FALSE;
 477     }
 478
 479     mmckHead.fccType = mmioFOURCC('h', 'd', 'r', 'l');
 480     if (mmioDescend(infoPtr->hMMio, &mmckHead, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 481         WARN("Can't find 'hdrl' list\n");
 482         return FALSE;
 483     }
 484
 485     mmckInfo.ckid = mmioFOURCC('a', 'v', 'i', 'h');
 486     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckHead, MMIO_FINDCHUNK) != 0) {
 487         WARN("Can't find 'avih' chunk\n");
 488         return FALSE;
 489     }
 490
 491     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->mah, sizeof(infoPtr->mah));
 492
 493     TRACE("mah.dwMicroSecPerFrame=%ld\n",       infoPtr->mah.dwMicroSecPerFrame);
 494     TRACE("mah.dwMaxBytesPerSec=%ld\n",         infoPtr->mah.dwMaxBytesPerSec);
 495     TRACE("mah.dwPaddingGranularity=%ld\n",     infoPtr->mah.dwPaddingGranularity);
 496     TRACE("mah.dwFlags=%ld\n",                  infoPtr->mah.dwFlags);
 497     TRACE("mah.dwTotalFrames=%ld\n",            infoPtr->mah.dwTotalFrames);
 498     TRACE("mah.dwInitialFrames=%ld\n",          infoPtr->mah.dwInitialFrames);
 499     TRACE("mah.dwStreams=%ld\n",                infoPtr->mah.dwStreams);
 500     TRACE("mah.dwSuggestedBufferSize=%ld\n",    infoPtr->mah.dwSuggestedBufferSize);
 501     TRACE("mah.dwWidth=%ld\n",                  infoPtr->mah.dwWidth);
 502     TRACE("mah.dwHeight=%ld\n",                 infoPtr->mah.dwHeight);
 503
 504     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 505
 506     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 507     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) != 0) {
 508         WARN("Can't find 'strl' list\n");
 509         return FALSE;
 510     }
 511
 512     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'h');
 513     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 514         WARN("Can't find 'strh' chunk\n");
 515         return FALSE;
 516     }
 517
 518     mmioRead(infoPtr->hMMio, (LPSTR)&infoPtr->ash, sizeof(infoPtr->ash));
 519
 520     TRACE("ash.fccType='%c%c%c%c'\n",           LOBYTE(LOWORD(infoPtr->ash.fccType)),
 521                                                 HIBYTE(LOWORD(infoPtr->ash.fccType)),
 522                                                 LOBYTE(HIWORD(infoPtr->ash.fccType)),
 523                                                 HIBYTE(HIWORD(infoPtr->ash.fccType)));
 524     TRACE("ash.fccHandler='%c%c%c%c'\n",        LOBYTE(LOWORD(infoPtr->ash.fccHandler)),
 525                                                 HIBYTE(LOWORD(infoPtr->ash.fccHandler)),
 526                                                 LOBYTE(HIWORD(infoPtr->ash.fccHandler)),
 527                                                 HIBYTE(HIWORD(infoPtr->ash.fccHandler)));
 528     TRACE("ash.dwFlags=%ld\n",                  infoPtr->ash.dwFlags);
 529     TRACE("ash.wPriority=%d\n",                 infoPtr->ash.wPriority);
 530     TRACE("ash.wLanguage=%d\n",                 infoPtr->ash.wLanguage);
 531     TRACE("ash.dwInitialFrames=%ld\n",          infoPtr->ash.dwInitialFrames);
 532     TRACE("ash.dwScale=%ld\n",                  infoPtr->ash.dwScale);
 533     TRACE("ash.dwRate=%ld\n",                   infoPtr->ash.dwRate);
 534     TRACE("ash.dwStart=%ld\n",                  infoPtr->ash.dwStart);
 535     TRACE("ash.dwLength=%ld\n",                 infoPtr->ash.dwLength);
 536     TRACE("ash.dwSuggestedBufferSize=%ld\n",    infoPtr->ash.dwSuggestedBufferSize);
 537     TRACE("ash.dwQuality=%ld\n",                infoPtr->ash.dwQuality);
 538     TRACE("ash.dwSampleSize=%ld\n",             infoPtr->ash.dwSampleSize);
 539     TRACE("ash.rcFrame=(%d,%d,%d,%d)\n",        infoPtr->ash.rcFrame.top, infoPtr->ash.rcFrame.left,
 540           infoPtr->ash.rcFrame.bottom, infoPtr->ash.rcFrame.right);
 541
 542     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 543
 544     mmckInfo.ckid = mmioFOURCC('s', 't', 'r', 'f');
 545     if (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, MMIO_FINDCHUNK) != 0) {
 546         WARN("Can't find 'strh' chunk\n");
 547         return FALSE;
 548     }
 549
 550     infoPtr->inbih = HeapAlloc(GetProcessHeap(), 0, mmckInfo.cksize);
 551     if (!infoPtr->inbih) {
 552         WARN("Can't alloc input BIH\n");
 553         return FALSE;
 554     }
 555
 556     mmioRead(infoPtr->hMMio, (LPSTR)infoPtr->inbih, mmckInfo.cksize);
 557
 558     TRACE("bih.biSize=%ld\n",           infoPtr->inbih->biSize);
 559     TRACE("bih.biWidth=%ld\n",          infoPtr->inbih->biWidth);
 560     TRACE("bih.biHeight=%ld\n",         infoPtr->inbih->biHeight);
 561     TRACE("bih.biPlanes=%d\n",          infoPtr->inbih->biPlanes);
 562     TRACE("bih.biBitCount=%d\n",        infoPtr->inbih->biBitCount);
 563     TRACE("bih.biCompression=%ld\n",    infoPtr->inbih->biCompression);
 564     TRACE("bih.biSizeImage=%ld\n",      infoPtr->inbih->biSizeImage);
 565     TRACE("bih.biXPelsPerMeter=%ld\n",  infoPtr->inbih->biXPelsPerMeter);
 566     TRACE("bih.biYPelsPerMeter=%ld\n",  infoPtr->inbih->biYPelsPerMeter);
 567     TRACE("bih.biClrUsed=%ld\n",        infoPtr->inbih->biClrUsed);
 568     TRACE("bih.biClrImportant=%ld\n",   infoPtr->inbih->biClrImportant);
 569
 570     mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 571
 572     mmioAscend(infoPtr->hMMio, &mmckList, 0);
 573
 574 #if 0
 575     /* an AVI has 0 or 1 video stream, and to be animated should not contain
 576      * an audio stream, so only one strl is allowed
 577      */
 578     mmckList.fccType = mmioFOURCC('s', 't', 'r', 'l');
 579     if (mmioDescend(infoPtr->hMMio, &mmckList, &mmckHead, MMIO_FINDLIST) == 0) {
 580         WARN("There should be a single 'strl' list\n");
 581         return FALSE;
 582     }
 583 #endif
 584
 585     mmioAscend(infoPtr->hMMio, &mmckHead, 0);
 586
 587     /* no need to read optional JUNK chunk */
 588
 589     mmckList.fccType = mmioFOURCC('m', 'o', 'v', 'i');
 590     if (mmioDescend(infoPtr->hMMio, &mmckList, &ckMainRIFF, MMIO_FINDLIST) != 0) {
 591         WARN("Can't find 'movi' list\n");
 592         return FALSE;
 593     }
 594
 595     /* FIXME: should handle the 'rec ' LIST when present */
 596
 597     infoPtr->lpIndex = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 598                                  infoPtr->mah.dwTotalFrames * sizeof(DWORD));
 599     if (!infoPtr->lpIndex)
 600         return FALSE;
 601
 602     numFrame = insize = 0;
 603     while (mmioDescend(infoPtr->hMMio, &mmckInfo, &mmckList, 0) == 0 &&
 604            numFrame < infoPtr->mah.dwTotalFrames) {
 605         infoPtr->lpIndex[numFrame] = mmckInfo.dwDataOffset;
 606         if (insize < mmckInfo.cksize)
 607             insize = mmckInfo.cksize;
 608         numFrame++;
 609         mmioAscend(infoPtr->hMMio, &mmckInfo, 0);
 610     }
 611     if (numFrame != infoPtr->mah.dwTotalFrames) {
 612         WARN("Found %ld frames (/%ld)\n", numFrame, infoPtr->mah.dwTotalFrames);
 613         return FALSE;
 614     }
 615     if (insize > infoPtr->ash.dwSuggestedBufferSize) {
 616         WARN("insize=%ld suggestedSize=%ld\n", insize, infoPtr->ash.dwSuggestedBufferSize);
 617         infoPtr->ash.dwSuggestedBufferSize = insize;
 618     }
 619
 620     infoPtr->indata = HeapAlloc(GetProcessHeap(), 0, infoPtr->ash.dwSuggestedBufferSize);
 621     if (!infoPtr->indata)
 622         return FALSE;
 623
 624     return TRUE;
 625 }
 626
 627
 628 static BOOL ANIMATE_GetAviCodec(ANIMATE_INFO *infoPtr)
 629 {
 630     DWORD       outSize;
 631
 632     /* check uncompressed AVI */
 633     if ((infoPtr->ash.fccHandler == mmioFOURCC('D', 'I', 'B', ' ')) ||
 634        (infoPtr->ash.fccHandler == mmioFOURCC('R', 'L', 'E', ' ')) ||
 635        (infoPtr->ash.fccHandler == mmioFOURCC(0, 0, 0, 0)))
 636     {
 637         infoPtr->hic = 0;
 638         return TRUE;
 639     }
 640
 641     /* try to get a decompressor for that type */
 642     infoPtr->hic = fnIC.fnICOpen(ICTYPE_VIDEO, infoPtr->ash.fccHandler, ICMODE_DECOMPRESS);
 643     if (!infoPtr->hic) {
 644         WARN("Can't load codec for the file\n");
 645         return FALSE;
 646     }
 647
 648     outSize = fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 649                             (DWORD)infoPtr->inbih, 0L);
 650
 651     infoPtr->outbih = HeapAlloc(GetProcessHeap(), 0, outSize);
 652     if (!infoPtr->outbih)
 653         return FALSE;
 654
 655     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_GET_FORMAT,
 656                       (DWORD)infoPtr->inbih, (DWORD)infoPtr->outbih) != outSize)
 657     {
 658         WARN("Can't get output BIH\n");
 659         return FALSE;
 660     }
 661
 662     infoPtr->outdata = HeapAlloc(GetProcessHeap(), 0, infoPtr->outbih->biSizeImage);
 663     if (!infoPtr->outdata)
 664         return FALSE;
 665
 666     if (fnIC.fnICSendMessage(infoPtr->hic, ICM_DECOMPRESS_BEGIN,
 667                       (DWORD)infoPtr->inbih, (DWORD)infoPtr->outbih) != ICERR_OK) {
 668         WARN("Can't begin decompression\n");
 669         return FALSE;
 670     }
 671
 672     return TRUE;
 673 }
 674
 675 static BOOL ANIMATE_OpenW(ANIMATE_INFO *infoPtr, HINSTANCE hInstance, LPWSTR lpszName)
 676 {
 677     ANIMATE_Free(infoPtr);
 678
 679     if (!lpszName)
 680     {
 681         TRACE("Closing avi!\n");
 682         /* installer of thebat! v1.62 requires FALSE here */
 683         return (infoPtr->hMMio != 0);
 684     }
 685
 686     if (!hInstance)
 687         hInstance = (HINSTANCE)GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_HINSTANCE);
 688
 689     if (HIWORD(lpszName))
 690     {
 691         TRACE("(\"%s\");\n", debugstr_w(lpszName));
 692
 693         if (!ANIMATE_LoadResW(infoPtr, hInstance, lpszName))
 694         {
 695             TRACE("No AVI resource found!\n");
 696             if (!ANIMATE_LoadFileW(infoPtr, lpszName))
 697             {
 698                 WARN("No AVI file found!\n");
 699                 return FALSE;
 700             }
 701         }
 702     }
 703     else
 704     {
 705         TRACE("(%u);\n", (WORD)(DWORD)lpszName);
 706
 707         if (!ANIMATE_LoadResW(infoPtr, hInstance, MAKEINTRESOURCEW((INT)lpszName)))
 708         {
 709             WARN("No AVI resource found!\n");
 710             return FALSE;
 711         }
 712     }
 713
 714     if (!ANIMATE_GetAviInfo(infoPtr))
 715     {
 716         WARN("Can't get AVI information\n");
 717         ANIMATE_Free(infoPtr);
 718         return FALSE;
 719     }
 720
 721     if (!ANIMATE_GetAviCodec(infoPtr))
 722     {
 723         WARN("Can't get AVI Codec\n");
 724         ANIMATE_Free(infoPtr);
 725         return FALSE;
 726     }
 727
 728     if (!GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & ACS_CENTER)
 729         SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, infoPtr->mah.dwWidth, infoPtr->mah.dwHeight,
 730                      SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
 731
 732     if (GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & ACS_AUTOPLAY)
 733         return ANIMATE_Play(infoPtr, -1, 0, infoPtr->mah.dwTotalFrames - 1);
 734
 735     return TRUE;
 736 }
 737
 738
 739 static BOOL ANIMATE_OpenA(ANIMATE_INFO *infoPtr, HINSTANCE hInstance, LPSTR lpszName)
 740 {
 741     LPWSTR lpwszName;
 742     LRESULT result;
 743     INT len;
 744
 745     if (!HIWORD(lpszName))
 746         return ANIMATE_OpenW(infoPtr, hInstance, (LPWSTR)lpszName);
 747
 748     len = MultiByteToWideChar(CP_ACP, 0, lpszName, -1, NULL, 0);
 749     lpwszName = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 750     if (!lpwszName) return FALSE;
 751     MultiByteToWideChar(CP_ACP, 0, lpszName, -1, lpwszName, len);
 752
 753     result = ANIMATE_OpenW(infoPtr, hInstance, lpwszName);
 754     HeapFree(GetProcessHeap(), 0, lpwszName);
 755     return result;
 756 }
 757
 758
 759 static BOOL ANIMATE_Stop(ANIMATE_INFO *infoPtr)
 760 {
 761     /* nothing opened */
 762     if (!infoPtr->hMMio)
 763         return FALSE;
 764
 765     ANIMATE_DoStop(infoPtr);
 766     return TRUE;
 767 }
 768
 769
 770 static BOOL ANIMATE_Create(HWND hWnd, LPCREATESTRUCTW lpcs)
 771 {
 772     static const WCHAR msvfw32W[] = { 'm', 's', 'v', 'f', 'w', '3', '2', '.', 'd', 'l', 'l', 0 };
 773     ANIMATE_INFO *infoPtr;
 774
 775     if (!fnIC.hModule) /* FIXME: not thread safe */
 776     {
 777         /* since there's a circular dep between msvfw32 and comctl32, we could either:
 778          * - fix the build chain to allow this circular dep
 779          * - handle it by hand
 780          * AJ wants the latter :-(
 781          */
 782         fnIC.hModule = LoadLibraryW(msvfw32W);
 783         if (!fnIC.hModule) return FALSE;
 784
 785         fnIC.fnICOpen        = (void*)GetProcAddress(fnIC.hModule, "ICOpen");
 786         fnIC.fnICClose       = (void*)GetProcAddress(fnIC.hModule, "ICClose");
 787         fnIC.fnICSendMessage = (void*)GetProcAddress(fnIC.hModule, "ICSendMessage");
 788         fnIC.fnICDecompress  = (void*)GetProcAddress(fnIC.hModule, "ICDecompress");
 789     }
 790
 791     /* allocate memory for info structure */
 792     infoPtr = (ANIMATE_INFO *)Alloc(sizeof(ANIMATE_INFO));
 793     if (!infoPtr) return FALSE;
 794
 795     /* store crossref hWnd <-> info structure */
 796     SetWindowLongPtrW(hWnd, 0, (DWORD_PTR)infoPtr);
 797     infoPtr->hwndSelf = hWnd;
 798     infoPtr->hwndNotify = lpcs->hwndParent;
 799     infoPtr->transparentColor = ANIMATE_COLOR_NONE;
 800     infoPtr->hbmPrevFrame = 0;
 801
 802     TRACE("Animate style=0x%08lx, parent=%p\n", GetWindowLongW(hWnd, GWL_STYLE), infoPtr->hwndNotify);
 803
 804     InitializeCriticalSection(&infoPtr->cs);
 805
 806     return TRUE;
 807 }
 808
 809
 810 static LRESULT ANIMATE_Destroy(ANIMATE_INFO *infoPtr)
 811 {
 812     /* free avi data */
 813     ANIMATE_Free(infoPtr);
 814
 815     /* free animate info data */
 816     SetWindowLongPtrW(infoPtr->hwndSelf, 0, 0);
 817     Free(infoPtr);
 818
 819     return 0;
 820 }
 821
 822
 823 static BOOL ANIMATE_EraseBackground(ANIMATE_INFO *infoPtr, HDC hdc)
 824 {
 825     RECT rect;
 826     HBRUSH hBrush = 0;
 827
 828     if(GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & ACS_TRANSPARENT)
 829     {
 830         hBrush = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLORSTATIC,
 831                                       (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
 832     }
 833
 834     GetClientRect(infoPtr->hwndSelf, &rect);
 835     FillRect(hdc, &rect, hBrush ? hBrush : GetCurrentObject(hdc, OBJ_BRUSH));
 836
 837     return TRUE;
 838 }
 839
 840 static LRESULT WINAPI ANIMATE_Size(ANIMATE_INFO *infoPtr, INT flags, WORD width, WORD height)
 841 {
 842     if (GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & ACS_CENTER)
 843     {
 844         InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 845     }
 846     return TRUE;
 847 }
 848
 849 static LRESULT WINAPI ANIMATE_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 850 {
 851     ANIMATE_INFO *infoPtr = (ANIMATE_INFO *)GetWindowLongPtrW(hWnd, 0);
 852
 853     TRACE("hwnd=%p msg=%x wparam=%x lparam=%lx\n", hWnd, uMsg, wParam, lParam);
 854     if (!infoPtr && (uMsg != WM_NCCREATE))
 855         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 856     switch (uMsg)
 857     {
 858     case ACM_OPENA:
 859         return ANIMATE_OpenA(infoPtr, (HINSTANCE)wParam, (LPSTR)lParam);
 860
 861     case ACM_OPENW:
 862         return ANIMATE_OpenW(infoPtr, (HINSTANCE)wParam, (LPWSTR)lParam);
 863
 864     case ACM_PLAY:
 865         return ANIMATE_Play(infoPtr, (INT)wParam, LOWORD(lParam), HIWORD(lParam));
 866
 867     case ACM_STOP:
 868         return ANIMATE_Stop(infoPtr);
 869
 870     case WM_NCCREATE:
 871         return ANIMATE_Create(hWnd, (LPCREATESTRUCTW)lParam);
 872
 873     case WM_NCHITTEST:
 874         return HTTRANSPARENT;
 875
 876     case WM_DESTROY:
 877         return ANIMATE_Destroy(infoPtr);
 878
 879     case WM_ERASEBKGND:
 880         return ANIMATE_EraseBackground(infoPtr, (HDC)wParam);
 881
 882     /*  case WM_STYLECHANGED: FIXME shall we do something ?? */
 883
 884     case WM_TIMER:
 885         if (GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & ACS_TRANSPARENT)
 886         {
 887             infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
 888                                                      WM_CTLCOLORSTATIC,
 889                                                      wParam, (LPARAM)infoPtr->hwndSelf);
 890         }
 891         return ANIMATE_DrawFrame(infoPtr);
 892
 893     case WM_PAINT:
 894         {
 895             /* the animation isn't playing, or has not decompressed
 896              * (and displayed) the first frame yet, don't paint
 897              */
 898             if ((!infoPtr->uTimer && !infoPtr->hThread) ||
 899                 !infoPtr->hbmPrevFrame)
 900             {
 901                 /* default paint handling */
 902                 return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 903             }
 904
 905             if (GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & ACS_TRANSPARENT)
 906                 infoPtr->hbrushBG = (HBRUSH)SendMessageW(infoPtr->hwndNotify,
 907                                                          WM_CTLCOLORSTATIC,
 908                                                          wParam, (LPARAM)infoPtr->hwndSelf);
 909
 910             if (wParam)
 911             {
 912                 EnterCriticalSection(&infoPtr->cs);
 913                 ANIMATE_PaintFrame(infoPtr, (HDC)wParam);
 914                 LeaveCriticalSection(&infoPtr->cs);
 915             }
 916             else
 917             {
 918                 PAINTSTRUCT ps;
 919                 HDC hDC = BeginPaint(infoPtr->hwndSelf, &ps);
 920
 921                 EnterCriticalSection(&infoPtr->cs);
 922                 ANIMATE_PaintFrame(infoPtr, hDC);
 923                 LeaveCriticalSection(&infoPtr->cs);
 924
 925                 EndPaint(infoPtr->hwndSelf, &ps);
 926             }
 927         }
 928         break;
 929
 930     case WM_SIZE:
 931         return ANIMATE_Size(infoPtr, (INT)wParam, LOWORD(lParam), HIWORD(lParam));
 932
 933     default:
 934         if ((uMsg >= WM_USER) && (uMsg < WM_APP))
 935             ERR("unknown msg %04x wp=%08x lp=%08lx\n", uMsg, wParam, lParam);
 936
 937         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 938     }
 939     return 0;
 940 }
 941
 942 void ANIMATE_Register(void)
 943 {
 944     WNDCLASSW wndClass;
 945
 946     ZeroMemory(&wndClass, sizeof(WNDCLASSW));
 947     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS;
 948     wndClass.lpfnWndProc   = ANIMATE_WindowProc;
 949     wndClass.cbClsExtra    = 0;
 950     wndClass.cbWndExtra    = sizeof(ANIMATE_INFO *);
 951     wndClass.hCursor       = LoadCursorW(0, (LPCWSTR)IDC_ARROW);
 952     wndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
 953     wndClass.lpszClassName = ANIMATE_CLASSW;
 954
 955     RegisterClassW(&wndClass);
 956 }
 957
 958
 959 void ANIMATE_Unregister(void)
 960 {
 961     UnregisterClassW(ANIMATE_CLASSW, NULL);
 962 }