dll/win32/avifil32/getframe.c

   1 /*
   2  * Copyright 2002-2003 Michael Günnewig
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #define WIN32_NO_STATUS
  20 #define _INC_WINDOWS
  21 #define COM_NO_WINDOWS_H
  22
  23 #include <stdarg.h>
  24
  25 #include <windef.h>
  26 #include <winbase.h>
  27 #include <wingdi.h>
  28 //#include "winuser.h"
  29 #include <vfw.h>
  30
  31 #include "avifile_private.h"
  32
  33 #include <wine/debug.h>
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(avifile);
  36
  37 #ifndef DIBPTR
  38 #define DIBPTR(lp)      ((LPBYTE)(lp) + (lp)->biSize + \
  39                          (lp)->biClrUsed * sizeof(RGBQUAD))
  40 #endif
  41
  42 /***********************************************************************/
  43
  44 typedef struct _IGetFrameImpl {
  45   /* IUnknown stuff */
  46   IGetFrame          IGetFrame_iface;
  47   LONG               ref;
  48
  49   /* IGetFrame stuff */
  50   BOOL               bFixedStream;
  51   PAVISTREAM         pStream;
  52
  53   LPVOID             lpInBuffer;
  54   LONG               cbInBuffer;
  55   LPBITMAPINFOHEADER lpInFormat;
  56   LONG               cbInFormat;
  57
  58   LONG               lCurrentFrame;
  59   LPBITMAPINFOHEADER lpOutFormat;
  60   LPVOID             lpOutBuffer;
  61
  62   HIC                hic;
  63   BOOL               bResize;
  64   DWORD              x;
  65   DWORD              y;
  66   DWORD              dx;
  67   DWORD              dy;
  68
  69   BOOL               bFormatChanges;
  70   DWORD              dwFormatChangeCount;
  71   DWORD              dwEditCount;
  72 } IGetFrameImpl;
  73
  74 /***********************************************************************/
  75
  76 static inline IGetFrameImpl *impl_from_IGetFrame(IGetFrame *iface)
  77 {
  78   return CONTAINING_RECORD(iface, IGetFrameImpl, IGetFrame_iface);
  79 }
  80
  81 static void AVIFILE_CloseCompressor(IGetFrameImpl *This)
  82 {
  83   if (This->lpInFormat != This->lpOutFormat) {
  84     HeapFree(GetProcessHeap(), 0, This->lpOutFormat);
  85     This->lpOutFormat = NULL;
  86   }
  87   HeapFree(GetProcessHeap(), 0, This->lpInFormat);
  88   This->lpInFormat = NULL;
  89   if (This->hic != NULL) {
  90     if (This->bResize)
  91       ICDecompressExEnd(This->hic);
  92     else
  93       ICDecompressEnd(This->hic);
  94     ICClose(This->hic);
  95     This->hic = NULL;
  96   }
  97 }
  98
  99 static HRESULT WINAPI IGetFrame_fnQueryInterface(IGetFrame *iface,
 100                                                  REFIID refiid, LPVOID *obj)
 101 {
 102   IGetFrameImpl *This = impl_from_IGetFrame(iface);
 103
 104   TRACE("(%p,%s,%p)\n", This, debugstr_guid(refiid), obj);
 105
 106   if (IsEqualGUID(&IID_IUnknown, refiid) ||
 107       IsEqualGUID(&IID_IGetFrame, refiid)) {
 108     *obj = iface;
 109     IGetFrame_AddRef(iface);
 110     return S_OK;
 111   }
 112
 113   return OLE_E_ENUM_NOMORE;
 114 }
 115
 116 static ULONG   WINAPI IGetFrame_fnAddRef(IGetFrame *iface)
 117 {
 118   IGetFrameImpl *This = impl_from_IGetFrame(iface);
 119   ULONG ref = InterlockedIncrement(&This->ref);
 120
 121   TRACE("(%p)\n", iface);
 122
 123   return ref;
 124 }
 125
 126 static ULONG   WINAPI IGetFrame_fnRelease(IGetFrame *iface)
 127 {
 128   IGetFrameImpl *This = impl_from_IGetFrame(iface);
 129   ULONG ref = InterlockedDecrement(&This->ref);
 130
 131   TRACE("(%p)\n", iface);
 132
 133   if (!ref) {
 134     AVIFILE_CloseCompressor(This);
 135     if (This->pStream != NULL) {
 136       IAVIStream_Release(This->pStream);
 137       This->pStream = NULL;
 138     }
 139
 140     HeapFree(GetProcessHeap(), 0, iface);
 141     return 0;
 142   }
 143
 144   return ref;
 145 }
 146
 147 static LPVOID  WINAPI IGetFrame_fnGetFrame(IGetFrame *iface, LONG lPos)
 148 {
 149   IGetFrameImpl *This = impl_from_IGetFrame(iface);
 150
 151   LONG readBytes;
 152   LONG readSamples;
 153
 154   TRACE("(%p,%d)\n", iface, lPos);
 155
 156   /* We don't want negative start values! -- marks invalid buffer content */
 157   if (lPos < 0)
 158     return NULL;
 159
 160   /* check state */
 161   if (This->pStream == NULL)
 162     return NULL;
 163   if (This->lpInFormat == NULL)
 164     return NULL;
 165
 166   /* Could stream have changed? */
 167   if (! This->bFixedStream) {
 168     AVISTREAMINFOW sInfo;
 169
 170     IAVIStream_Info(This->pStream, &sInfo, sizeof(sInfo));
 171
 172     if (sInfo.dwEditCount != This->dwEditCount) {
 173       This->dwEditCount   = sInfo.dwEditCount;
 174       This->lCurrentFrame = -1;
 175     }
 176
 177     if (sInfo.dwFormatChangeCount != This->dwFormatChangeCount) {
 178       /* stream has changed */
 179       if (This->lpOutFormat != NULL) {
 180         BITMAPINFOHEADER bi;
 181
 182         bi = *This->lpOutFormat;
 183         AVIFILE_CloseCompressor(This);
 184
 185         if (FAILED(IGetFrame_SetFormat(iface, &bi, NULL, 0, 0, -1, -1))) {
 186           if (FAILED(IGetFrame_SetFormat(iface, NULL, NULL, 0, 0, -1, -1)))
 187             return NULL;
 188         }
 189       } else if (FAILED(IGetFrame_SetFormat(iface, NULL, NULL, 0, 0, -1, -1)))
 190         return NULL;
 191     }
 192   }
 193
 194   if (lPos != This->lCurrentFrame) {
 195     LONG lNext = IAVIStream_FindSample(This->pStream,lPos,FIND_KEY|FIND_PREV);
 196
 197     if (lNext == -1)
 198       return NULL; /* frame doesn't exist */
 199     if (lNext <= This->lCurrentFrame && This->lCurrentFrame < lPos)
 200       lNext = This->lCurrentFrame + 1;
 201
 202     for (; lNext <= lPos; lNext++) {
 203       /* new format for this frame? */
 204       if (This->bFormatChanges) {
 205         IAVIStream_ReadFormat(This->pStream, lNext,
 206                               This->lpInFormat, &This->cbInFormat);
 207         if (This->lpOutFormat != NULL) {
 208           if (This->lpOutFormat->biBitCount <= 8)
 209             ICDecompressGetPalette(This->hic, This->lpInFormat,
 210                                    This->lpOutFormat);
 211         }
 212       }
 213
 214       /* read input frame */
 215       while (FAILED(AVIStreamRead(This->pStream, lNext, 1, This->lpInBuffer,
 216                                   This->cbInBuffer, &readBytes, &readSamples))) {
 217         /* not enough memory for input buffer? */
 218         readBytes = 0;
 219         if (FAILED(AVIStreamSampleSize(This->pStream, lNext, &readBytes)))
 220           return NULL; /* bad thing, but bad things will happen */
 221         if (readBytes <= 0) {
 222           ERR(": IAVIStream::Read doesn't return needed bytes!\n");
 223           return NULL;
 224         }
 225
 226         /* IAVIStream::Read failed because of other reasons not buffersize? */
 227         if (This->cbInBuffer >= readBytes)
 228           break;
 229         This->cbInBuffer = This->cbInFormat + readBytes;
 230         This->lpInFormat = HeapReAlloc(GetProcessHeap(), 0, This->lpInFormat, This->cbInBuffer);
 231         if (This->lpInFormat == NULL)
 232           return NULL; /* out of memory */
 233         This->lpInBuffer = (BYTE*)This->lpInFormat + This->cbInFormat;
 234       }
 235
 236       if (readSamples != 1) {
 237         ERR(": no frames read\n");
 238         return NULL;
 239       }
 240       if (readBytes != 0) {
 241         This->lpInFormat->biSizeImage = readBytes;
 242
 243         /* nothing to decompress? */
 244         if (This->hic == NULL) {
 245           This->lCurrentFrame = lPos;
 246           return This->lpInFormat;
 247         }
 248
 249         if (This->bResize) {
 250           ICDecompressEx(This->hic,0,This->lpInFormat,This->lpInBuffer,0,0,
 251                          This->lpInFormat->biWidth,This->lpInFormat->biHeight,
 252                          This->lpOutFormat,This->lpOutBuffer,This->x,This->y,
 253                          This->dx,This->dy);
 254         } else {
 255           ICDecompress(This->hic, 0, This->lpInFormat, This->lpInBuffer,
 256                        This->lpOutFormat, This->lpOutBuffer);
 257         }
 258       }
 259     } /* for (lNext < lPos) */
 260   } /* if (This->lCurrentFrame != lPos) */
 261
 262   return (This->hic == NULL ? This->lpInFormat : This->lpOutFormat);
 263 }
 264
 265 static HRESULT WINAPI IGetFrame_fnBegin(IGetFrame *iface, LONG lStart,
 266                                         LONG lEnd, LONG lRate)
 267 {
 268   IGetFrameImpl *This = impl_from_IGetFrame(iface);
 269
 270   TRACE("(%p,%d,%d,%d)\n", iface, lStart, lEnd, lRate);
 271
 272   This->bFixedStream = TRUE;
 273
 274   return (IGetFrame_GetFrame(iface, lStart) ? AVIERR_OK : AVIERR_ERROR);
 275 }
 276
 277 static HRESULT WINAPI IGetFrame_fnEnd(IGetFrame *iface)
 278 {
 279   IGetFrameImpl *This = impl_from_IGetFrame(iface);
 280
 281   TRACE("(%p)\n", iface);
 282
 283   This->bFixedStream = FALSE;
 284
 285   return AVIERR_OK;
 286 }
 287
 288 static HRESULT WINAPI IGetFrame_fnSetFormat(IGetFrame *iface,
 289                                             LPBITMAPINFOHEADER lpbiWanted,
 290                                             LPVOID lpBits, INT x, INT y,
 291                                             INT dx, INT dy)
 292 {
 293   IGetFrameImpl *This = impl_from_IGetFrame(iface);
 294
 295   AVISTREAMINFOW     sInfo;
 296   LPBITMAPINFOHEADER lpbi         = lpbiWanted;
 297   BOOL               bBestDisplay = FALSE;
 298
 299   TRACE("(%p,%p,%p,%d,%d,%d,%d)\n", iface, lpbiWanted, lpBits,
 300         x, y, dx, dy);
 301
 302   if (This->pStream == NULL)
 303     return AVIERR_ERROR;
 304
 305   if (lpbiWanted == (LPBITMAPINFOHEADER)AVIGETFRAMEF_BESTDISPLAYFMT) {
 306     lpbi = NULL;
 307     bBestDisplay = TRUE;
 308   }
 309
 310   IAVIStream_Info(This->pStream, &sInfo, sizeof(sInfo));
 311   if (sInfo.fccType != streamtypeVIDEO)
 312     return AVIERR_UNSUPPORTED;
 313
 314   This->bFormatChanges = (sInfo.dwFlags & AVISTREAMINFO_FORMATCHANGES) != 0;
 315   This->dwFormatChangeCount = sInfo.dwFormatChangeCount;
 316   This->dwEditCount         = sInfo.dwEditCount;
 317   This->lCurrentFrame       = -1;
 318
 319   /* get input format from stream */
 320   if (This->lpInFormat == NULL) {
 321     HRESULT hr;
 322
 323     This->cbInBuffer = (LONG)sInfo.dwSuggestedBufferSize;
 324     if (This->cbInBuffer == 0)
 325       This->cbInBuffer = 1024;
 326
 327     IAVIStream_ReadFormat(This->pStream, sInfo.dwStart,
 328                           NULL, &This->cbInFormat);
 329
 330     This->lpInFormat = HeapAlloc(GetProcessHeap(), 0, This->cbInFormat + This->cbInBuffer);
 331     if (This->lpInFormat == NULL) {
 332       AVIFILE_CloseCompressor(This);
 333       return AVIERR_MEMORY;
 334     }
 335
 336     hr = IAVIStream_ReadFormat(This->pStream, sInfo.dwStart, This->lpInFormat, &This->cbInFormat);
 337     if (FAILED(hr)) {
 338       AVIFILE_CloseCompressor(This);
 339       return hr;
 340     }
 341
 342     This->lpInBuffer = ((LPBYTE)This->lpInFormat) + This->cbInFormat;
 343   }
 344
 345   /* check input format */
 346   if (This->lpInFormat->biClrUsed == 0 && This->lpInFormat->biBitCount <= 8)
 347     This->lpInFormat->biClrUsed = 1u << This->lpInFormat->biBitCount;
 348   if (This->lpInFormat->biSizeImage == 0 &&
 349       This->lpInFormat->biCompression == BI_RGB) {
 350     This->lpInFormat->biSizeImage =
 351       DIBWIDTHBYTES(*This->lpInFormat) * This->lpInFormat->biHeight;
 352   }
 353
 354   /* only to pass through? */
 355   if (This->lpInFormat->biCompression == BI_RGB && lpBits == NULL) {
 356     if (lpbi == NULL ||
 357         (lpbi->biCompression == BI_RGB &&
 358          lpbi->biWidth == This->lpInFormat->biWidth &&
 359          lpbi->biHeight == This->lpInFormat->biHeight &&
 360          lpbi->biBitCount == This->lpInFormat->biBitCount)) {
 361       This->lpOutFormat = This->lpInFormat;
 362       This->lpOutBuffer = DIBPTR(This->lpInFormat);
 363       return AVIERR_OK;
 364     }
 365   }
 366
 367   /* need memory for output format? */
 368   if (This->lpOutFormat == NULL) {
 369     This->lpOutFormat =
 370       HeapAlloc(GetProcessHeap(), 0, sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
 371     if (This->lpOutFormat == NULL) {
 372       AVIFILE_CloseCompressor(This);
 373       return AVIERR_MEMORY;
 374     }
 375   }
 376
 377   /* need handle to video compressor */
 378   if (This->hic == NULL) {
 379     FOURCC fccHandler;
 380
 381     if (This->lpInFormat->biCompression == BI_RGB)
 382       fccHandler = comptypeDIB;
 383     else if (This->lpInFormat->biCompression == BI_RLE8)
 384       fccHandler = mmioFOURCC('R','L','E',' ');
 385     else
 386       fccHandler = sInfo.fccHandler;
 387
 388     if (lpbi != NULL) {
 389       if (lpbi->biWidth == 0)
 390         lpbi->biWidth = This->lpInFormat->biWidth;
 391       if (lpbi->biHeight == 0)
 392         lpbi->biHeight = This->lpInFormat->biHeight;
 393     }
 394
 395     This->hic = ICLocate(ICTYPE_VIDEO, fccHandler, This->lpInFormat, lpbi, ICMODE_DECOMPRESS);
 396     if (This->hic == NULL) {
 397       AVIFILE_CloseCompressor(This);
 398       return AVIERR_NOCOMPRESSOR;
 399     }
 400   }
 401
 402   /* output format given? */
 403   if (lpbi != NULL) {
 404     /* check the given output format ... */
 405     if (lpbi->biClrUsed == 0 && lpbi->biBitCount <= 8)
 406       lpbi->biClrUsed = 1u << lpbi->biBitCount;
 407
 408     /* ... and remember it */
 409     memcpy(This->lpOutFormat, lpbi,
 410            lpbi->biSize + lpbi->biClrUsed * sizeof(RGBQUAD));
 411     if (lpbi->biBitCount <= 8)
 412       ICDecompressGetPalette(This->hic, This->lpInFormat, This->lpOutFormat);
 413
 414     return AVIERR_OK;
 415   } else {
 416     if (bBestDisplay) {
 417       ICGetDisplayFormat(This->hic, This->lpInFormat,
 418                          This->lpOutFormat, 0, dx, dy);
 419     } else if (ICDecompressGetFormat(This->hic, This->lpInFormat,
 420                                      This->lpOutFormat) < 0) {
 421       AVIFILE_CloseCompressor(This);
 422       return AVIERR_NOCOMPRESSOR;
 423     }
 424
 425     /* check output format */
 426     if (This->lpOutFormat->biClrUsed == 0 &&
 427         This->lpOutFormat->biBitCount <= 8)
 428       This->lpOutFormat->biClrUsed = 1u << This->lpOutFormat->biBitCount;
 429     if (This->lpOutFormat->biSizeImage == 0 &&
 430         This->lpOutFormat->biCompression == BI_RGB) {
 431       This->lpOutFormat->biSizeImage =
 432         DIBWIDTHBYTES(*This->lpOutFormat) * This->lpOutFormat->biHeight;
 433     }
 434
 435     if (lpBits == NULL) {
 436       DWORD size = This->lpOutFormat->biClrUsed * sizeof(RGBQUAD);
 437
 438       size += This->lpOutFormat->biSize + This->lpOutFormat->biSizeImage;
 439       This->lpOutFormat = HeapReAlloc(GetProcessHeap(), 0, This->lpOutFormat, size);
 440       if (This->lpOutFormat == NULL) {
 441         AVIFILE_CloseCompressor(This);
 442         return AVIERR_MEMORY;
 443       }
 444       This->lpOutBuffer = DIBPTR(This->lpOutFormat);
 445     } else
 446       This->lpOutBuffer = lpBits;
 447
 448     /* for user size was irrelevant */
 449     if (dx == -1)
 450       dx = This->lpOutFormat->biWidth;
 451     if (dy == -1)
 452       dy = This->lpOutFormat->biHeight;
 453
 454     /* need to resize? */
 455     if (x != 0 || y != 0) {
 456       if (dy == This->lpOutFormat->biHeight &&
 457           dx == This->lpOutFormat->biWidth)
 458         This->bResize = FALSE;
 459       else
 460         This->bResize = TRUE;
 461     }
 462
 463     if (This->bResize) {
 464       This->x  = x;
 465       This->y  = y;
 466       This->dx = dx;
 467       This->dy = dy;
 468
 469       if (ICDecompressExBegin(This->hic,0,This->lpInFormat,This->lpInBuffer,0,
 470                               0,This->lpInFormat->biWidth,
 471                               This->lpInFormat->biHeight,This->lpOutFormat,
 472                               This->lpOutBuffer, x, y, dx, dy) == ICERR_OK)
 473         return AVIERR_OK;
 474     } else if (ICDecompressBegin(This->hic, This->lpInFormat,
 475                                  This->lpOutFormat) == ICERR_OK)
 476       return AVIERR_OK;
 477
 478     AVIFILE_CloseCompressor(This);
 479
 480     return AVIERR_COMPRESSOR;
 481   }
 482 }
 483
 484 static const struct IGetFrameVtbl igetframeVtbl = {
 485   IGetFrame_fnQueryInterface,
 486   IGetFrame_fnAddRef,
 487   IGetFrame_fnRelease,
 488   IGetFrame_fnGetFrame,
 489   IGetFrame_fnBegin,
 490   IGetFrame_fnEnd,
 491   IGetFrame_fnSetFormat
 492 };
 493
 494 PGETFRAME AVIFILE_CreateGetFrame(PAVISTREAM pStream)
 495 {
 496   IGetFrameImpl *pg;
 497
 498   /* check parameter */
 499   if (pStream == NULL)
 500     return NULL;
 501
 502   pg = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IGetFrameImpl));
 503   if (pg != NULL) {
 504     pg->IGetFrame_iface.lpVtbl = &igetframeVtbl;
 505     pg->ref           = 1;
 506     pg->lCurrentFrame = -1;
 507     pg->pStream       = pStream;
 508     IAVIStream_AddRef(pStream);
 509   }
 510
 511   return (PGETFRAME)pg;
 512 }
 513
 514 /***********************************************************************/