sdk/lib/3rdparty/strmbase/video.c

   1 /*
   2  * Generic Implementation of strmbase video classes
   3  *
   4  * Copyright 2012 Aric Stewart, CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #define COBJMACROS
  22
  23 #include <assert.h>
  24 #include "dshow.h"
  25 #include "uuids.h"
  26 #include "vfwmsgs.h"
  27 #include "wine/debug.h"
  28 #include "wine/unicode.h"
  29 #include "wine/strmbase.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(strmbase);
  32
  33 static inline BaseControlVideo *impl_from_IBasicVideo(IBasicVideo *iface)
  34 {
  35     return CONTAINING_RECORD(iface, BaseControlVideo, IBasicVideo_iface);
  36 }
  37
  38 HRESULT WINAPI BaseControlVideo_Init(BaseControlVideo *pControlVideo, const IBasicVideoVtbl *lpVtbl, BaseFilter *owner, CRITICAL_SECTION *lock, BasePin* pPin, const BaseControlVideoFuncTable* pFuncsTable)
  39 {
  40     pControlVideo->IBasicVideo_iface.lpVtbl = lpVtbl;
  41     pControlVideo->pFilter = owner;
  42     pControlVideo->pInterfaceLock = lock;
  43     pControlVideo->pPin = pPin;
  44     pControlVideo->pFuncsTable = pFuncsTable;
  45
  46     BaseDispatch_Init(&pControlVideo->baseDispatch, &IID_IBasicVideo);
  47
  48     return S_OK;
  49 }
  50
  51 HRESULT WINAPI BaseControlVideo_Destroy(BaseControlVideo *pControlVideo)
  52 {
  53     return BaseDispatch_Destroy(&pControlVideo->baseDispatch);
  54 }
  55
  56 static HRESULT BaseControlVideoImpl_CheckSourceRect(BaseControlVideo *This, RECT *pSourceRect)
  57 {
  58     LONG VideoWidth, VideoHeight;
  59     HRESULT hr;
  60
  61     if (IsRectEmpty(pSourceRect))
  62         return E_INVALIDARG;
  63
  64     hr = BaseControlVideoImpl_GetVideoSize((IBasicVideo *)This, &VideoWidth, &VideoHeight);
  65     if (FAILED(hr))
  66         return hr;
  67
  68     if (pSourceRect->top < 0 || pSourceRect->left < 0 ||
  69         pSourceRect->bottom > VideoHeight || pSourceRect->right > VideoWidth)
  70         return E_INVALIDARG;
  71
  72     return S_OK;
  73 }
  74
  75 static HRESULT BaseControlVideoImpl_CheckTargetRect(BaseControlVideo *This, RECT *pTargetRect)
  76 {
  77     if (IsRectEmpty(pTargetRect))
  78         return E_INVALIDARG;
  79
  80     return S_OK;
  81 }
  82
  83 HRESULT WINAPI BaseControlVideoImpl_GetTypeInfoCount(IBasicVideo *iface, UINT *pctinfo)
  84 {
  85     BaseControlVideo *This = impl_from_IBasicVideo(iface);
  86
  87     return BaseDispatchImpl_GetTypeInfoCount(&This->baseDispatch, pctinfo);
  88 }
  89
  90 HRESULT WINAPI BaseControlVideoImpl_GetTypeInfo(IBasicVideo *iface, UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
  91 {
  92     BaseControlVideo *This = impl_from_IBasicVideo(iface);
  93
  94     return BaseDispatchImpl_GetTypeInfo(&This->baseDispatch, &IID_NULL, iTInfo, lcid, ppTInfo);
  95 }
  96
  97 HRESULT WINAPI BaseControlVideoImpl_GetIDsOfNames(IBasicVideo *iface, REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
  98 {
  99     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 100
 101     return BaseDispatchImpl_GetIDsOfNames(&This->baseDispatch, riid, rgszNames, cNames, lcid, rgDispId);
 102 }
 103
 104 HRESULT WINAPI BaseControlVideoImpl_Invoke(IBasicVideo *iface, DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExepInfo, UINT *puArgErr)
 105 {
 106     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 107     ITypeInfo *pTypeInfo;
 108     HRESULT hr;
 109
 110     hr = BaseDispatchImpl_GetTypeInfo(&This->baseDispatch, riid, 1, lcid, &pTypeInfo);
 111     if (SUCCEEDED(hr))
 112     {
 113         hr = ITypeInfo_Invoke(pTypeInfo, &This->IBasicVideo_iface, dispIdMember, wFlags, pDispParams, pVarResult, pExepInfo, puArgErr);
 114         ITypeInfo_Release(pTypeInfo);
 115     }
 116
 117     return hr;
 118 }
 119
 120 HRESULT WINAPI BaseControlVideoImpl_get_AvgTimePerFrame(IBasicVideo *iface, REFTIME *pAvgTimePerFrame)
 121 {
 122     VIDEOINFOHEADER *vih;
 123     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 124
 125     if (!pAvgTimePerFrame)
 126         return E_POINTER;
 127     if (!This->pPin->pConnectedTo)
 128         return VFW_E_NOT_CONNECTED;
 129
 130     TRACE("(%p/%p)->(%p)\n", This, iface, pAvgTimePerFrame);
 131
 132     vih = This->pFuncsTable->pfnGetVideoFormat(This);
 133     *pAvgTimePerFrame = vih->AvgTimePerFrame;
 134     return S_OK;
 135 }
 136
 137 HRESULT WINAPI BaseControlVideoImpl_get_BitRate(IBasicVideo *iface, LONG *pBitRate)
 138 {
 139     VIDEOINFOHEADER *vih;
 140     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 141
 142     TRACE("(%p/%p)->(%p)\n", This, iface, pBitRate);
 143
 144     if (!pBitRate)
 145         return E_POINTER;
 146     if (!This->pPin->pConnectedTo)
 147         return VFW_E_NOT_CONNECTED;
 148
 149     vih = This->pFuncsTable->pfnGetVideoFormat(This);
 150     *pBitRate = vih->dwBitRate;
 151     return S_OK;
 152 }
 153
 154 HRESULT WINAPI BaseControlVideoImpl_get_BitErrorRate(IBasicVideo *iface, LONG *pBitErrorRate)
 155 {
 156     VIDEOINFOHEADER *vih;
 157     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 158
 159     TRACE("(%p/%p)->(%p)\n", This, iface, pBitErrorRate);
 160
 161     if (!pBitErrorRate)
 162         return E_POINTER;
 163     if (!This->pPin->pConnectedTo)
 164         return VFW_E_NOT_CONNECTED;
 165
 166     vih = This->pFuncsTable->pfnGetVideoFormat(This);
 167     *pBitErrorRate = vih->dwBitErrorRate;
 168     return S_OK;
 169 }
 170
 171 HRESULT WINAPI BaseControlVideoImpl_get_VideoWidth(IBasicVideo *iface, LONG *pVideoWidth)
 172 {
 173     VIDEOINFOHEADER *vih;
 174     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 175
 176     TRACE("(%p/%p)->(%p)\n", This, iface, pVideoWidth);
 177     if (!pVideoWidth)
 178         return E_POINTER;
 179
 180     vih = This->pFuncsTable->pfnGetVideoFormat(This);
 181     *pVideoWidth = vih->bmiHeader.biWidth;
 182
 183     return S_OK;
 184 }
 185
 186 HRESULT WINAPI BaseControlVideoImpl_get_VideoHeight(IBasicVideo *iface, LONG *pVideoHeight)
 187 {
 188     VIDEOINFOHEADER *vih;
 189     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 190
 191     TRACE("(%p/%p)->(%p)\n", This, iface, pVideoHeight);
 192     if (!pVideoHeight)
 193         return E_POINTER;
 194
 195     vih = This->pFuncsTable->pfnGetVideoFormat(This);
 196     *pVideoHeight = abs(vih->bmiHeader.biHeight);
 197
 198     return S_OK;
 199 }
 200
 201 HRESULT WINAPI BaseControlVideoImpl_put_SourceLeft(IBasicVideo *iface, LONG SourceLeft)
 202 {
 203     RECT SourceRect;
 204     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 205     HRESULT hr;
 206
 207     TRACE("(%p/%p)->(%d)\n", This, iface, SourceLeft);
 208     hr = This->pFuncsTable->pfnGetSourceRect(This, &SourceRect);
 209     if (SUCCEEDED(hr))
 210     {
 211         SourceRect.right = (SourceRect.right - SourceRect.left) + SourceLeft;
 212         SourceRect.left = SourceLeft;
 213         hr = BaseControlVideoImpl_CheckSourceRect(This, &SourceRect);
 214     }
 215     if (SUCCEEDED(hr))
 216         hr = This->pFuncsTable->pfnSetSourceRect(This, &SourceRect);
 217
 218     return hr;
 219 }
 220
 221 HRESULT WINAPI BaseControlVideoImpl_get_SourceLeft(IBasicVideo *iface, LONG *pSourceLeft)
 222 {
 223     RECT SourceRect;
 224     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 225
 226     TRACE("(%p/%p)->(%p)\n", This, iface, pSourceLeft);
 227     if (!pSourceLeft)
 228         return E_POINTER;
 229     This->pFuncsTable->pfnGetSourceRect(This, &SourceRect);
 230     *pSourceLeft = SourceRect.left;
 231
 232     return S_OK;
 233 }
 234
 235 HRESULT WINAPI BaseControlVideoImpl_put_SourceWidth(IBasicVideo *iface, LONG SourceWidth)
 236 {
 237     RECT SourceRect;
 238     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 239     HRESULT hr;
 240
 241     TRACE("(%p/%p)->(%d)\n", This, iface, SourceWidth);
 242     hr = This->pFuncsTable->pfnGetSourceRect(This, &SourceRect);
 243     if (SUCCEEDED(hr))
 244     {
 245         SourceRect.right = SourceRect.left + SourceWidth;
 246         hr = BaseControlVideoImpl_CheckSourceRect(This, &SourceRect);
 247     }
 248     if (SUCCEEDED(hr))
 249         hr = This->pFuncsTable->pfnSetSourceRect(This, &SourceRect);
 250
 251     return hr;
 252 }
 253
 254 HRESULT WINAPI BaseControlVideoImpl_get_SourceWidth(IBasicVideo *iface, LONG *pSourceWidth)
 255 {
 256     RECT SourceRect;
 257     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 258
 259     TRACE("(%p/%p)->(%p)\n", This, iface, pSourceWidth);
 260     if (!pSourceWidth)
 261         return E_POINTER;
 262     This->pFuncsTable->pfnGetSourceRect(This, &SourceRect);
 263     *pSourceWidth = SourceRect.right - SourceRect.left;
 264
 265     return S_OK;
 266 }
 267
 268 HRESULT WINAPI BaseControlVideoImpl_put_SourceTop(IBasicVideo *iface, LONG SourceTop)
 269 {
 270     RECT SourceRect;
 271     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 272     HRESULT hr;
 273
 274     TRACE("(%p/%p)->(%d)\n", This, iface, SourceTop);
 275     hr = This->pFuncsTable->pfnGetSourceRect(This, &SourceRect);
 276     if (SUCCEEDED(hr))
 277     {
 278         SourceRect.bottom = (SourceRect.bottom - SourceRect.top) + SourceTop;
 279         SourceRect.top = SourceTop;
 280         hr = BaseControlVideoImpl_CheckSourceRect(This, &SourceRect);
 281     }
 282     if (SUCCEEDED(hr))
 283         hr = This->pFuncsTable->pfnSetSourceRect(This, &SourceRect);
 284
 285     return hr;
 286 }
 287
 288 HRESULT WINAPI BaseControlVideoImpl_get_SourceTop(IBasicVideo *iface, LONG *pSourceTop)
 289 {
 290     RECT SourceRect;
 291     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 292
 293     TRACE("(%p/%p)->(%p)\n", This, iface, pSourceTop);
 294     if (!pSourceTop)
 295         return E_POINTER;
 296     This->pFuncsTable->pfnGetSourceRect(This, &SourceRect);
 297     *pSourceTop = SourceRect.top;
 298
 299     return S_OK;
 300 }
 301
 302 HRESULT WINAPI BaseControlVideoImpl_put_SourceHeight(IBasicVideo *iface, LONG SourceHeight)
 303 {
 304     RECT SourceRect;
 305     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 306     HRESULT hr;
 307
 308     TRACE("(%p/%p)->(%d)\n", This, iface, SourceHeight);
 309     hr = This->pFuncsTable->pfnGetSourceRect(This, &SourceRect);
 310     if (SUCCEEDED(hr))
 311     {
 312         SourceRect.bottom = SourceRect.top + SourceHeight;
 313         hr = BaseControlVideoImpl_CheckSourceRect(This, &SourceRect);
 314     }
 315     if (SUCCEEDED(hr))
 316         hr = This->pFuncsTable->pfnSetSourceRect(This, &SourceRect);
 317
 318     return hr;
 319 }
 320
 321 HRESULT WINAPI BaseControlVideoImpl_get_SourceHeight(IBasicVideo *iface, LONG *pSourceHeight)
 322 {
 323     RECT SourceRect;
 324     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 325
 326     TRACE("(%p/%p)->(%p)\n", This, iface, pSourceHeight);
 327     if (!pSourceHeight)
 328         return E_POINTER;
 329     This->pFuncsTable->pfnGetSourceRect(This, &SourceRect);
 330
 331     *pSourceHeight = SourceRect.bottom - SourceRect.top;
 332
 333     return S_OK;
 334 }
 335
 336 HRESULT WINAPI BaseControlVideoImpl_put_DestinationLeft(IBasicVideo *iface, LONG DestinationLeft)
 337 {
 338     RECT DestRect;
 339     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 340     HRESULT hr;
 341
 342     TRACE("(%p/%p)->(%d)\n", This, iface, DestinationLeft);
 343     hr = This->pFuncsTable->pfnGetTargetRect(This, &DestRect);
 344     if (SUCCEEDED(hr))
 345     {
 346         DestRect.right = (DestRect.right - DestRect.left) + DestinationLeft;
 347         DestRect.left = DestinationLeft;
 348         hr = BaseControlVideoImpl_CheckTargetRect(This, &DestRect);
 349     }
 350     if (SUCCEEDED(hr))
 351         hr = This->pFuncsTable->pfnSetTargetRect(This, &DestRect);
 352
 353     return hr;
 354 }
 355
 356 HRESULT WINAPI BaseControlVideoImpl_get_DestinationLeft(IBasicVideo *iface, LONG *pDestinationLeft)
 357 {
 358     RECT DestRect;
 359     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 360
 361     TRACE("(%p/%p)->(%p)\n", This, iface, pDestinationLeft);
 362     if (!pDestinationLeft)
 363         return E_POINTER;
 364     This->pFuncsTable->pfnGetTargetRect(This, &DestRect);
 365     *pDestinationLeft = DestRect.left;
 366
 367     return S_OK;
 368 }
 369
 370 HRESULT WINAPI BaseControlVideoImpl_put_DestinationWidth(IBasicVideo *iface, LONG DestinationWidth)
 371 {
 372     RECT DestRect;
 373     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 374     HRESULT hr;
 375
 376     TRACE("(%p/%p)->(%d)\n", This, iface, DestinationWidth);
 377     hr = This->pFuncsTable->pfnGetTargetRect(This, &DestRect);
 378     if (SUCCEEDED(hr))
 379     {
 380         DestRect.right = DestRect.left + DestinationWidth;
 381         hr = BaseControlVideoImpl_CheckTargetRect(This, &DestRect);
 382     }
 383     if (SUCCEEDED(hr))
 384         hr = This->pFuncsTable->pfnSetTargetRect(This, &DestRect);
 385
 386     return hr;
 387 }
 388
 389 HRESULT WINAPI BaseControlVideoImpl_get_DestinationWidth(IBasicVideo *iface, LONG *pDestinationWidth)
 390 {
 391     RECT DestRect;
 392     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 393
 394     TRACE("(%p/%p)->(%p)\n", This, iface, pDestinationWidth);
 395     if (!pDestinationWidth)
 396         return E_POINTER;
 397     This->pFuncsTable->pfnGetTargetRect(This, &DestRect);
 398     *pDestinationWidth = DestRect.right - DestRect.left;
 399
 400     return S_OK;
 401 }
 402
 403 HRESULT WINAPI BaseControlVideoImpl_put_DestinationTop(IBasicVideo *iface, LONG DestinationTop)
 404 {
 405     RECT DestRect;
 406     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 407     HRESULT hr;
 408
 409     TRACE("(%p/%p)->(%d)\n", This, iface, DestinationTop);
 410     hr = This->pFuncsTable->pfnGetTargetRect(This, &DestRect);
 411     if (SUCCEEDED(hr))
 412     {
 413         DestRect.bottom = (DestRect.bottom - DestRect.top) + DestinationTop;
 414         DestRect.top = DestinationTop;
 415         hr = BaseControlVideoImpl_CheckTargetRect(This, &DestRect);
 416     }
 417     if (SUCCEEDED(hr))
 418         hr = This->pFuncsTable->pfnSetTargetRect(This, &DestRect);
 419
 420     return hr;
 421 }
 422
 423 HRESULT WINAPI BaseControlVideoImpl_get_DestinationTop(IBasicVideo *iface, LONG *pDestinationTop)
 424 {
 425     RECT DestRect;
 426     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 427
 428     TRACE("(%p/%p)->(%p)\n", This, iface, pDestinationTop);
 429     if (!pDestinationTop)
 430         return E_POINTER;
 431     This->pFuncsTable->pfnGetTargetRect(This, &DestRect);
 432     *pDestinationTop = DestRect.top;
 433
 434     return S_OK;
 435 }
 436
 437 HRESULT WINAPI BaseControlVideoImpl_put_DestinationHeight(IBasicVideo *iface, LONG DestinationHeight)
 438 {
 439     RECT DestRect;
 440     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 441     HRESULT hr;
 442
 443     TRACE("(%p/%p)->(%d)\n", This, iface, DestinationHeight);
 444     hr = This->pFuncsTable->pfnGetTargetRect(This, &DestRect);
 445     if (SUCCEEDED(hr))
 446     {
 447         DestRect.bottom = DestRect.top + DestinationHeight;
 448         hr = BaseControlVideoImpl_CheckTargetRect(This, &DestRect);
 449     }
 450     if (SUCCEEDED(hr))
 451         hr = This->pFuncsTable->pfnSetTargetRect(This, &DestRect);
 452
 453     return hr;
 454 }
 455
 456 HRESULT WINAPI BaseControlVideoImpl_get_DestinationHeight(IBasicVideo *iface, LONG *pDestinationHeight)
 457 {
 458     RECT DestRect;
 459     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 460
 461     TRACE("(%p/%p)->(%p)\n", This, iface, pDestinationHeight);
 462     if (!pDestinationHeight)
 463         return E_POINTER;
 464     This->pFuncsTable->pfnGetTargetRect(This, &DestRect);
 465     *pDestinationHeight = DestRect.bottom - DestRect.top;
 466
 467     return S_OK;
 468 }
 469
 470 HRESULT WINAPI BaseControlVideoImpl_SetSourcePosition(IBasicVideo *iface, LONG Left, LONG Top, LONG Width, LONG Height)
 471 {
 472     RECT SourceRect;
 473     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 474
 475     TRACE("(%p/%p)->(%d, %d, %d, %d)\n", This, iface, Left, Top, Width, Height);
 476
 477     SetRect(&SourceRect, Left, Top, Left + Width, Top + Height);
 478     if (FAILED(BaseControlVideoImpl_CheckSourceRect(This, &SourceRect)))
 479         return E_INVALIDARG;
 480     return This->pFuncsTable->pfnSetSourceRect(This, &SourceRect);
 481 }
 482
 483 HRESULT WINAPI BaseControlVideoImpl_GetSourcePosition(IBasicVideo *iface, LONG *pLeft, LONG *pTop, LONG *pWidth, LONG *pHeight)
 484 {
 485     RECT SourceRect;
 486     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 487
 488     TRACE("(%p/%p)->(%p, %p, %p, %p)\n", This, iface, pLeft, pTop, pWidth, pHeight);
 489     if (!pLeft || !pTop || !pWidth || !pHeight)
 490         return E_POINTER;
 491     This->pFuncsTable->pfnGetSourceRect(This, &SourceRect);
 492
 493     *pLeft = SourceRect.left;
 494     *pTop = SourceRect.top;
 495     *pWidth = SourceRect.right - SourceRect.left;
 496     *pHeight = SourceRect.bottom - SourceRect.top;
 497
 498     return S_OK;
 499 }
 500
 501 HRESULT WINAPI BaseControlVideoImpl_SetDefaultSourcePosition(IBasicVideo *iface)
 502 {
 503     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 504
 505     TRACE("(%p/%p)->()\n", This, iface);
 506     return This->pFuncsTable->pfnSetDefaultSourceRect(This);
 507 }
 508
 509 HRESULT WINAPI BaseControlVideoImpl_SetDestinationPosition(IBasicVideo *iface, LONG Left, LONG Top, LONG Width, LONG Height)
 510 {
 511     RECT DestRect;
 512     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 513
 514     TRACE("(%p/%p)->(%d, %d, %d, %d)\n", This, iface, Left, Top, Width, Height);
 515
 516     SetRect(&DestRect, Left, Top, Left + Width, Top + Height);
 517     if (FAILED(BaseControlVideoImpl_CheckTargetRect(This, &DestRect)))
 518         return E_INVALIDARG;
 519     return This->pFuncsTable->pfnSetTargetRect(This, &DestRect);
 520 }
 521
 522 HRESULT WINAPI BaseControlVideoImpl_GetDestinationPosition(IBasicVideo *iface, LONG *pLeft, LONG *pTop, LONG *pWidth, LONG *pHeight)
 523 {
 524     RECT DestRect;
 525     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 526
 527     TRACE("(%p/%p)->(%p, %p, %p, %p)\n", This, iface, pLeft, pTop, pWidth, pHeight);
 528     if (!pLeft || !pTop || !pWidth || !pHeight)
 529         return E_POINTER;
 530     This->pFuncsTable->pfnGetTargetRect(This, &DestRect);
 531
 532     *pLeft = DestRect.left;
 533     *pTop = DestRect.top;
 534     *pWidth = DestRect.right - DestRect.left;
 535     *pHeight = DestRect.bottom - DestRect.top;
 536
 537     return S_OK;
 538 }
 539
 540 HRESULT WINAPI BaseControlVideoImpl_SetDefaultDestinationPosition(IBasicVideo *iface)
 541 {
 542     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 543
 544     TRACE("(%p/%p)->()\n", This, iface);
 545     return This->pFuncsTable->pfnSetDefaultTargetRect(This);
 546 }
 547
 548 HRESULT WINAPI BaseControlVideoImpl_GetVideoSize(IBasicVideo *iface, LONG *pWidth, LONG *pHeight)
 549 {
 550     VIDEOINFOHEADER *vih;
 551     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 552
 553     TRACE("(%p/%p)->(%p, %p)\n", This, iface, pWidth, pHeight);
 554     if (!pWidth || !pHeight)
 555         return E_POINTER;
 556
 557     vih = This->pFuncsTable->pfnGetVideoFormat(This);
 558     *pHeight = vih->bmiHeader.biHeight;
 559     *pWidth = vih->bmiHeader.biWidth;
 560
 561     return S_OK;
 562 }
 563
 564 HRESULT WINAPI BaseControlVideoImpl_GetVideoPaletteEntries(IBasicVideo *iface, LONG StartIndex, LONG Entries, LONG *pRetrieved, LONG *pPalette)
 565 {
 566     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 567
 568     TRACE("(%p/%p)->(%d, %d, %p, %p)\n", This, iface, StartIndex, Entries, pRetrieved, pPalette);
 569     if (!pRetrieved || !pPalette)
 570         return E_POINTER;
 571
 572     *pRetrieved = 0;
 573     return VFW_E_NO_PALETTE_AVAILABLE;
 574 }
 575
 576 HRESULT WINAPI BaseControlVideoImpl_GetCurrentImage(IBasicVideo *iface, LONG *pBufferSize, LONG *pDIBImage)
 577 {
 578     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 579     if (!pBufferSize || !pDIBImage)
 580         return E_POINTER;
 581
 582     return This->pFuncsTable->pfnGetStaticImage(This, pBufferSize, pDIBImage);
 583 }
 584
 585 HRESULT WINAPI BaseControlVideoImpl_IsUsingDefaultSource(IBasicVideo *iface)
 586 {
 587     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 588
 589     return This->pFuncsTable->pfnIsDefaultSourceRect(This);
 590 }
 591
 592 HRESULT WINAPI BaseControlVideoImpl_IsUsingDefaultDestination(IBasicVideo *iface)
 593 {
 594     BaseControlVideo *This = impl_from_IBasicVideo(iface);
 595
 596     return This->pFuncsTable->pfnIsDefaultTargetRect(This);
 597 }