dlls/strmbase/pospass.c

   1 /*
   2  * Filter Seeking and Control Interfaces
   3  *
   4  * Copyright 2003 Robert Shearman
   5  * Copyright 2012 Aric Stewart, CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21 /* FIXME: critical sections */
  22
  23 #define COBJMACROS
  24
  25 #include "dshow.h"
  26 #include "uuids.h"
  27
  28 #include "wine/debug.h"
  29 #include "wine/strmbase.h"
  30
  31 #include <assert.h>
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(strmbase);
  34
  35 static const IMediaSeekingVtbl IMediaSeekingPassThru_Vtbl;
  36 static const IMediaPositionVtbl IMediaPositionPassThru_Vtbl;
  37
  38 typedef struct PassThruImpl {
  39     IUnknown  IUnknown_inner;
  40     ISeekingPassThru ISeekingPassThru_iface;
  41     IMediaSeeking IMediaSeeking_iface;
  42     IMediaPosition IMediaPosition_iface;
  43     BaseDispatch baseDispatch;
  44
  45     LONG ref;
  46     IUnknown * outer_unk;
  47     IPin * pin;
  48     BOOL bUnkOuterValid;
  49     BOOL bAggregatable;
  50     BOOL renderer;
  51     CRITICAL_SECTION time_cs;
  52     BOOL timevalid;
  53     REFERENCE_TIME time_earliest;
  54 } PassThruImpl;
  55
  56 static inline PassThruImpl *impl_from_IUnknown_inner(IUnknown *iface)
  57 {
  58     return CONTAINING_RECORD(iface, PassThruImpl, IUnknown_inner);
  59 }
  60
  61 static inline PassThruImpl *impl_from_ISeekingPassThru(ISeekingPassThru *iface)
  62 {
  63     return CONTAINING_RECORD(iface, PassThruImpl, ISeekingPassThru_iface);
  64 }
  65
  66 static inline PassThruImpl *impl_from_IMediaSeeking(IMediaSeeking *iface)
  67 {
  68     return CONTAINING_RECORD(iface, PassThruImpl, IMediaSeeking_iface);
  69 }
  70
  71 static inline PassThruImpl *impl_from_IMediaPosition(IMediaPosition *iface)
  72 {
  73     return CONTAINING_RECORD(iface, PassThruImpl, IMediaPosition_iface);
  74 }
  75
  76 static HRESULT WINAPI SeekInner_QueryInterface(IUnknown * iface,
  77                                           REFIID riid,
  78                                           LPVOID *ppvObj) {
  79     PassThruImpl *This = impl_from_IUnknown_inner(iface);
  80     TRACE("(%p)->(%s (%p), %p)\n", This, debugstr_guid(riid), riid, ppvObj);
  81
  82     if (This->bAggregatable)
  83         This->bUnkOuterValid = TRUE;
  84
  85     if (IsEqualGUID(&IID_IUnknown, riid))
  86     {
  87         *ppvObj = &(This->IUnknown_inner);
  88         TRACE("   returning IUnknown interface (%p)\n", *ppvObj);
  89     } else if (IsEqualGUID(&IID_ISeekingPassThru, riid)) {
  90         *ppvObj = &(This->ISeekingPassThru_iface);
  91         TRACE("   returning ISeekingPassThru interface (%p)\n", *ppvObj);
  92     } else if (IsEqualGUID(&IID_IMediaSeeking, riid)) {
  93         *ppvObj = &(This->IMediaSeeking_iface);
  94         TRACE("   returning IMediaSeeking interface (%p)\n", *ppvObj);
  95     } else if (IsEqualGUID(&IID_IMediaPosition, riid)) {
  96         *ppvObj = &(This->IMediaPosition_iface);
  97         TRACE("   returning IMediaPosition interface (%p)\n", *ppvObj);
  98     } else {
  99         *ppvObj = NULL;
 100         FIXME("unknown interface %s\n", debugstr_guid(riid));
 101         return E_NOINTERFACE;
 102     }
 103
 104     IUnknown_AddRef((IUnknown *)(*ppvObj));
 105     return S_OK;
 106 }
 107
 108 static ULONG WINAPI SeekInner_AddRef(IUnknown * iface) {
 109     PassThruImpl *This = impl_from_IUnknown_inner(iface);
 110     ULONG ref = InterlockedIncrement(&This->ref);
 111
 112     TRACE("(%p)->(): new ref = %d\n", This, ref);
 113
 114     return ref;
 115 }
 116
 117 static ULONG WINAPI SeekInner_Release(IUnknown * iface) {
 118     PassThruImpl *This = impl_from_IUnknown_inner(iface);
 119     ULONG ref = InterlockedDecrement(&This->ref);
 120
 121     TRACE("(%p)->(): new ref = %d\n", This, ref);
 122
 123     if (ref == 0)
 124     {
 125         BaseDispatch_Destroy(&This->baseDispatch);
 126         This->time_cs.DebugInfo->Spare[0] = 0;
 127         DeleteCriticalSection(&This->time_cs);
 128         CoTaskMemFree(This);
 129     }
 130     return ref;
 131 }
 132
 133 static const IUnknownVtbl IInner_VTable =
 134 {
 135     SeekInner_QueryInterface,
 136     SeekInner_AddRef,
 137     SeekInner_Release
 138 };
 139
 140 /* Generic functions for aggregation */
 141 static HRESULT SeekOuter_QueryInterface(PassThruImpl *This, REFIID riid, LPVOID *ppv)
 142 {
 143     if (This->bAggregatable)
 144         This->bUnkOuterValid = TRUE;
 145
 146     if (This->outer_unk)
 147     {
 148         if (This->bAggregatable)
 149             return IUnknown_QueryInterface(This->outer_unk, riid, ppv);
 150
 151         if (IsEqualIID(riid, &IID_IUnknown))
 152         {
 153             HRESULT hr;
 154
 155             IUnknown_AddRef((IUnknown *)&(This->IUnknown_inner));
 156             hr = IUnknown_QueryInterface((IUnknown *)&(This->IUnknown_inner), riid, ppv);
 157             IUnknown_Release((IUnknown *)&(This->IUnknown_inner));
 158             This->bAggregatable = TRUE;
 159             return hr;
 160         }
 161
 162         *ppv = NULL;
 163         return E_NOINTERFACE;
 164     }
 165
 166     return IUnknown_QueryInterface((IUnknown *)&(This->IUnknown_inner), riid, ppv);
 167 }
 168
 169 static ULONG SeekOuter_AddRef(PassThruImpl *This)
 170 {
 171     if (This->outer_unk && This->bUnkOuterValid)
 172         return IUnknown_AddRef(This->outer_unk);
 173     return IUnknown_AddRef((IUnknown *)&(This->IUnknown_inner));
 174 }
 175
 176 static ULONG SeekOuter_Release(PassThruImpl *This)
 177 {
 178     if (This->outer_unk && This->bUnkOuterValid)
 179         return IUnknown_Release(This->outer_unk);
 180     return IUnknown_Release((IUnknown *)&(This->IUnknown_inner));
 181 }
 182
 183 static HRESULT WINAPI SeekingPassThru_QueryInterface(ISeekingPassThru *iface, REFIID riid, LPVOID *ppvObj)
 184 {
 185     PassThruImpl *This = impl_from_ISeekingPassThru(iface);
 186
 187     TRACE("(%p/%p)->(%s (%p), %p)\n", This, iface, debugstr_guid(riid), riid, ppvObj);
 188
 189     return SeekOuter_QueryInterface(This, riid, ppvObj);
 190 }
 191
 192 static ULONG WINAPI SeekingPassThru_AddRef(ISeekingPassThru *iface)
 193 {
 194     PassThruImpl *This = impl_from_ISeekingPassThru(iface);
 195
 196     TRACE("(%p/%p)->()\n", This, iface);
 197
 198     return SeekOuter_AddRef(This);
 199 }
 200
 201 static ULONG WINAPI SeekingPassThru_Release(ISeekingPassThru *iface)
 202 {
 203     PassThruImpl *This = impl_from_ISeekingPassThru(iface);
 204
 205     TRACE("(%p/%p)->()\n", This, iface);
 206
 207     return SeekOuter_Release(This);
 208 }
 209
 210 static HRESULT WINAPI SeekingPassThru_Init(ISeekingPassThru *iface, BOOL renderer, IPin *pin)
 211 {
 212     PassThruImpl *This = impl_from_ISeekingPassThru(iface);
 213
 214     TRACE("(%p/%p)->(%d, %p)\n", This, iface, renderer, pin);
 215
 216     if (This->pin)
 217         FIXME("Re-initializing?\n");
 218
 219     This->renderer = renderer;
 220     This->pin = pin;
 221
 222     return S_OK;
 223 }
 224
 225 static const ISeekingPassThruVtbl ISeekingPassThru_Vtbl =
 226 {
 227     SeekingPassThru_QueryInterface,
 228     SeekingPassThru_AddRef,
 229     SeekingPassThru_Release,
 230     SeekingPassThru_Init
 231 };
 232
 233 HRESULT WINAPI CreatePosPassThru(IUnknown* pUnkOuter, BOOL bRenderer, IPin *pPin, IUnknown **ppPassThru)
 234 {
 235     HRESULT hr;
 236     ISeekingPassThru *passthru;
 237
 238     hr = CoCreateInstance(&CLSID_SeekingPassThru, pUnkOuter, CLSCTX_INPROC_SERVER, &IID_IUnknown, (void**)ppPassThru);
 239
 240     IUnknown_QueryInterface(*ppPassThru, &IID_ISeekingPassThru, (void**)&passthru);
 241     hr = ISeekingPassThru_Init(passthru, bRenderer, pPin);
 242     ISeekingPassThru_Release(passthru);
 243
 244     return hr;
 245 }
 246
 247 HRESULT WINAPI PosPassThru_Construct(IUnknown *pUnkOuter, LPVOID *ppPassThru)
 248 {
 249     PassThruImpl *fimpl;
 250
 251     TRACE("(%p,%p)\n", pUnkOuter, ppPassThru);
 252
 253     *ppPassThru = fimpl = CoTaskMemAlloc(sizeof(*fimpl));
 254     if (!fimpl)
 255         return E_OUTOFMEMORY;
 256
 257     fimpl->outer_unk = pUnkOuter;
 258     fimpl->bUnkOuterValid = FALSE;
 259     fimpl->bAggregatable = FALSE;
 260     fimpl->IUnknown_inner.lpVtbl = &IInner_VTable;
 261     fimpl->ISeekingPassThru_iface.lpVtbl = &ISeekingPassThru_Vtbl;
 262     fimpl->IMediaSeeking_iface.lpVtbl = &IMediaSeekingPassThru_Vtbl;
 263     fimpl->IMediaPosition_iface.lpVtbl = &IMediaPositionPassThru_Vtbl;
 264     fimpl->ref = 1;
 265     fimpl->pin = NULL;
 266     fimpl->timevalid = 0;
 267     InitializeCriticalSection(&fimpl->time_cs);
 268     fimpl->time_cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": PassThruImpl.time_cs");
 269     BaseDispatch_Init(&fimpl->baseDispatch, &IID_IMediaPosition);
 270     return S_OK;
 271 }
 272
 273 static HRESULT WINAPI MediaSeekingPassThru_QueryInterface(IMediaSeeking *iface, REFIID riid, LPVOID *ppvObj)
 274 {
 275     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 276
 277     TRACE("(%p/%p)->(%s (%p), %p)\n", This, iface, debugstr_guid(riid), riid, ppvObj);
 278
 279     return SeekOuter_QueryInterface(This, riid, ppvObj);
 280 }
 281
 282 static ULONG WINAPI MediaSeekingPassThru_AddRef(IMediaSeeking *iface)
 283 {
 284     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 285
 286     TRACE("(%p/%p)->()\n", iface, This);
 287
 288     return SeekOuter_AddRef(This);
 289 }
 290
 291 static ULONG WINAPI MediaSeekingPassThru_Release(IMediaSeeking *iface)
 292 {
 293     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 294
 295     TRACE("(%p/%p)->()\n", iface, This);
 296
 297     return SeekOuter_Release(This);
 298 }
 299
 300 static HRESULT get_connected(PassThruImpl *This, REFIID riid, LPVOID *ppvObj) {
 301     HRESULT hr;
 302     IPin *pin;
 303     *ppvObj = NULL;
 304     hr = IPin_ConnectedTo(This->pin, &pin);
 305     if (FAILED(hr))
 306         return VFW_E_NOT_CONNECTED;
 307     hr = IPin_QueryInterface(pin, riid, ppvObj);
 308     IPin_Release(pin);
 309     if (FAILED(hr))
 310         hr = E_NOTIMPL;
 311     return hr;
 312 }
 313
 314 static HRESULT WINAPI MediaSeekingPassThru_GetCapabilities(IMediaSeeking * iface, DWORD * pCapabilities)
 315 {
 316     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 317     IMediaSeeking *seek;
 318     HRESULT hr;
 319     TRACE("(%p/%p)->(%p)\n", iface, This, pCapabilities);
 320     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 321     if (SUCCEEDED(hr)) {
 322         hr = IMediaSeeking_GetCapabilities(seek, pCapabilities);
 323         IMediaSeeking_Release(seek);
 324     }
 325     else
 326         return E_NOTIMPL;
 327     return hr;
 328 }
 329
 330 static HRESULT WINAPI MediaSeekingPassThru_CheckCapabilities(IMediaSeeking * iface, DWORD * pCapabilities)
 331 {
 332     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 333     IMediaSeeking *seek;
 334     HRESULT hr;
 335     TRACE("(%p/%p)->(%p)\n", iface, This, pCapabilities);
 336     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 337     if (SUCCEEDED(hr)) {
 338         hr = IMediaSeeking_CheckCapabilities(seek, pCapabilities);
 339         IMediaSeeking_Release(seek);
 340     }
 341     else
 342         return E_NOTIMPL;
 343     return hr;
 344 }
 345
 346 static HRESULT WINAPI MediaSeekingPassThru_IsFormatSupported(IMediaSeeking * iface, const GUID * pFormat)
 347 {
 348     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 349     IMediaSeeking *seek;
 350     HRESULT hr;
 351     TRACE("(%p/%p)->(%s)\n", iface, This, debugstr_guid(pFormat));
 352     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 353     if (SUCCEEDED(hr)) {
 354         hr = IMediaSeeking_IsFormatSupported(seek, pFormat);
 355         IMediaSeeking_Release(seek);
 356     }
 357     else
 358         return E_NOTIMPL;
 359     return hr;
 360 }
 361
 362 static HRESULT WINAPI MediaSeekingPassThru_QueryPreferredFormat(IMediaSeeking * iface, GUID * pFormat)
 363 {
 364     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 365     IMediaSeeking *seek;
 366     HRESULT hr;
 367     TRACE("(%p/%p)->(%p)\n", iface, This, pFormat);
 368     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 369     if (SUCCEEDED(hr)) {
 370         hr = IMediaSeeking_QueryPreferredFormat(seek, pFormat);
 371         IMediaSeeking_Release(seek);
 372     }
 373     else
 374         return E_NOTIMPL;
 375     return hr;
 376 }
 377
 378 static HRESULT WINAPI MediaSeekingPassThru_GetTimeFormat(IMediaSeeking * iface, GUID * pFormat)
 379 {
 380     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 381     IMediaSeeking *seek;
 382     HRESULT hr;
 383     TRACE("(%p/%p)->(%p)\n", iface, This, pFormat);
 384     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 385     if (SUCCEEDED(hr)) {
 386         hr = IMediaSeeking_GetTimeFormat(seek, pFormat);
 387         IMediaSeeking_Release(seek);
 388     }
 389     else
 390         return E_NOTIMPL;
 391     return hr;
 392 }
 393
 394 static HRESULT WINAPI MediaSeekingPassThru_IsUsingTimeFormat(IMediaSeeking * iface, const GUID * pFormat)
 395 {
 396     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 397     IMediaSeeking *seek;
 398     HRESULT hr;
 399     TRACE("(%p/%p)->(%s)\n", iface, This, debugstr_guid(pFormat));
 400     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 401     if (SUCCEEDED(hr)) {
 402         hr = IMediaSeeking_IsUsingTimeFormat(seek, pFormat);
 403         IMediaSeeking_Release(seek);
 404     }
 405     else
 406         return E_NOTIMPL;
 407     return hr;
 408 }
 409
 410 static HRESULT WINAPI MediaSeekingPassThru_SetTimeFormat(IMediaSeeking * iface, const GUID * pFormat)
 411 {
 412     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 413     IMediaSeeking *seek;
 414     HRESULT hr;
 415     TRACE("(%p/%p)->(%s)\n", iface, This, debugstr_guid(pFormat));
 416     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 417     if (SUCCEEDED(hr)) {
 418         hr = IMediaSeeking_SetTimeFormat(seek, pFormat);
 419         IMediaSeeking_Release(seek);
 420     }
 421     else
 422         return E_NOTIMPL;
 423     return hr;
 424 }
 425
 426 static HRESULT WINAPI MediaSeekingPassThru_GetDuration(IMediaSeeking * iface, LONGLONG * pDuration)
 427 {
 428     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 429     IMediaSeeking *seek;
 430     HRESULT hr;
 431     TRACE("(%p/%p)->(%p)\n", iface, This, pDuration);
 432     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 433     if (SUCCEEDED(hr)) {
 434         hr = IMediaSeeking_GetDuration(seek, pDuration);
 435         IMediaSeeking_Release(seek);
 436     }
 437     else
 438         return E_NOTIMPL;
 439     return hr;
 440 }
 441
 442 static HRESULT WINAPI MediaSeekingPassThru_GetStopPosition(IMediaSeeking * iface, LONGLONG * pStop)
 443 {
 444     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 445     IMediaSeeking *seek;
 446     HRESULT hr;
 447     TRACE("(%p/%p)->(%p)\n", iface, This, pStop);
 448     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 449     if (SUCCEEDED(hr)) {
 450         hr = IMediaSeeking_GetStopPosition(seek, pStop);
 451         IMediaSeeking_Release(seek);
 452     }
 453     else
 454         return E_NOTIMPL;
 455     return hr;
 456 }
 457
 458 static HRESULT WINAPI MediaSeekingPassThru_GetCurrentPosition(IMediaSeeking * iface, LONGLONG * pCurrent)
 459 {
 460     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 461     IMediaSeeking *seek;
 462     HRESULT hr = S_OK;
 463     TRACE("(%p/%p)->(%p)\n", iface, This, pCurrent);
 464     if (!pCurrent)
 465         return E_POINTER;
 466     EnterCriticalSection(&This->time_cs);
 467     if (This->timevalid)
 468         *pCurrent = This->time_earliest;
 469     else
 470         hr = E_FAIL;
 471     LeaveCriticalSection(&This->time_cs);
 472     if (SUCCEEDED(hr)) {
 473         hr = IMediaSeeking_ConvertTimeFormat(iface, pCurrent, NULL, *pCurrent, &TIME_FORMAT_MEDIA_TIME);
 474         return hr;
 475     }
 476     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 477     if (SUCCEEDED(hr)) {
 478         hr = IMediaSeeking_GetCurrentPosition(seek, pCurrent);
 479         IMediaSeeking_Release(seek);
 480     }
 481     else
 482         return E_NOTIMPL;
 483     return hr;
 484 }
 485
 486 static HRESULT WINAPI MediaSeekingPassThru_ConvertTimeFormat(IMediaSeeking * iface, LONGLONG * pTarget, const GUID * pTargetFormat, LONGLONG Source, const GUID * pSourceFormat)
 487 {
 488     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 489     IMediaSeeking *seek;
 490     HRESULT hr;
 491     TRACE("(%p/%p)->(%p,%s,%x%08x,%s)\n", iface, This, pTarget, debugstr_guid(pTargetFormat), (DWORD)(Source>>32), (DWORD)Source, debugstr_guid(pSourceFormat));
 492     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 493     if (SUCCEEDED(hr)) {
 494         hr = IMediaSeeking_ConvertTimeFormat(seek, pTarget, pTargetFormat, Source, pSourceFormat);
 495         IMediaSeeking_Release(seek);
 496     }
 497     else
 498         return E_NOTIMPL;
 499     return hr;
 500 }
 501
 502 static HRESULT WINAPI MediaSeekingPassThru_SetPositions(IMediaSeeking * iface, LONGLONG * pCurrent, DWORD dwCurrentFlags, LONGLONG * pStop, DWORD dwStopFlags)
 503 {
 504     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 505     IMediaSeeking *seek;
 506     HRESULT hr;
 507     TRACE("(%p/%p)->(%p,%x,%p,%x)\n", iface, This, pCurrent, dwCurrentFlags, pStop, dwStopFlags);
 508     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 509     if (SUCCEEDED(hr)) {
 510         hr = IMediaSeeking_SetPositions(seek, pCurrent, dwCurrentFlags, pStop, dwStopFlags);
 511         IMediaSeeking_Release(seek);
 512     } else if (hr == VFW_E_NOT_CONNECTED)
 513         hr = S_OK;
 514     return hr;
 515 }
 516
 517 static HRESULT WINAPI MediaSeekingPassThru_GetPositions(IMediaSeeking * iface, LONGLONG * pCurrent, LONGLONG * pStop)
 518 {
 519     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 520     IMediaSeeking *seek;
 521     HRESULT hr;
 522     TRACE("(%p/%p)->(%p, %p)\n", iface, This, pCurrent, pStop);
 523     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 524     if (SUCCEEDED(hr)) {
 525         hr = IMediaSeeking_GetPositions(seek, pCurrent, pStop);
 526         IMediaSeeking_Release(seek);
 527     }
 528     else
 529         return E_NOTIMPL;
 530     return hr;
 531 }
 532
 533 static HRESULT WINAPI MediaSeekingPassThru_GetAvailable(IMediaSeeking * iface, LONGLONG * pEarliest, LONGLONG * pLatest)
 534 {
 535     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 536     IMediaSeeking *seek;
 537     HRESULT hr;
 538     TRACE("(%p/%p)->(%p,%p)\n", iface, This, pEarliest, pLatest);
 539     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 540     if (SUCCEEDED(hr)) {
 541         hr = IMediaSeeking_GetAvailable(seek, pEarliest, pLatest);
 542         IMediaSeeking_Release(seek);
 543     }
 544     else
 545         return E_NOTIMPL;
 546     return hr;
 547 }
 548
 549 static HRESULT WINAPI MediaSeekingPassThru_SetRate(IMediaSeeking * iface, double dRate)
 550 {
 551     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 552     IMediaSeeking *seek;
 553     HRESULT hr;
 554     TRACE("(%p/%p)->(%e)\n", iface, This, dRate);
 555     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 556     if (SUCCEEDED(hr)) {
 557         hr = IMediaSeeking_SetRate(seek, dRate);
 558         IMediaSeeking_Release(seek);
 559     }
 560     else
 561         return E_NOTIMPL;
 562     return hr;
 563 }
 564
 565 static HRESULT WINAPI MediaSeekingPassThru_GetRate(IMediaSeeking * iface, double * dRate)
 566 {
 567     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 568     IMediaSeeking *seek;
 569     HRESULT hr;
 570     TRACE("(%p/%p)->(%p)\n", iface, This, dRate);
 571     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 572     if (SUCCEEDED(hr)) {
 573         hr = IMediaSeeking_GetRate(seek, dRate);
 574         IMediaSeeking_Release(seek);
 575     }
 576     else
 577         return E_NOTIMPL;
 578     return hr;
 579 }
 580
 581 static HRESULT WINAPI MediaSeekingPassThru_GetPreroll(IMediaSeeking * iface, LONGLONG * pPreroll)
 582 {
 583     PassThruImpl *This = impl_from_IMediaSeeking(iface);
 584     IMediaSeeking *seek;
 585     HRESULT hr;
 586     TRACE("(%p)\n", pPreroll);
 587     hr = get_connected(This, &IID_IMediaSeeking, (LPVOID*)&seek);
 588     if (SUCCEEDED(hr)) {
 589         hr = IMediaSeeking_GetPreroll(seek, pPreroll);
 590         IMediaSeeking_Release(seek);
 591     }
 592     else
 593         return E_NOTIMPL;
 594     return hr;
 595 }
 596
 597 HRESULT WINAPI RendererPosPassThru_RegisterMediaTime(IUnknown *iface, REFERENCE_TIME start)
 598 {
 599     PassThruImpl *This = impl_from_IUnknown_inner(iface);
 600     EnterCriticalSection(&This->time_cs);
 601     This->time_earliest = start;
 602     This->timevalid = 1;
 603     LeaveCriticalSection(&This->time_cs);
 604     return S_OK;
 605 }
 606
 607 HRESULT WINAPI RendererPosPassThru_ResetMediaTime(IUnknown *iface)
 608 {
 609     PassThruImpl *This = impl_from_IUnknown_inner(iface);
 610     EnterCriticalSection(&This->time_cs);
 611     This->timevalid = 0;
 612     LeaveCriticalSection(&This->time_cs);
 613     return S_OK;
 614 }
 615
 616 HRESULT WINAPI RendererPosPassThru_EOS(IUnknown *iface)
 617 {
 618     PassThruImpl *This = impl_from_IUnknown_inner(iface);
 619     REFERENCE_TIME time;
 620     HRESULT hr;
 621     hr = IMediaSeeking_GetStopPosition(&This->IMediaSeeking_iface, &time);
 622     EnterCriticalSection(&This->time_cs);
 623     if (SUCCEEDED(hr)) {
 624         This->timevalid = 1;
 625         This->time_earliest = time;
 626     } else
 627         This->timevalid = 0;
 628     LeaveCriticalSection(&This->time_cs);
 629     return hr;
 630 }
 631
 632 static const IMediaSeekingVtbl IMediaSeekingPassThru_Vtbl =
 633 {
 634     MediaSeekingPassThru_QueryInterface,
 635     MediaSeekingPassThru_AddRef,
 636     MediaSeekingPassThru_Release,
 637     MediaSeekingPassThru_GetCapabilities,
 638     MediaSeekingPassThru_CheckCapabilities,
 639     MediaSeekingPassThru_IsFormatSupported,
 640     MediaSeekingPassThru_QueryPreferredFormat,
 641     MediaSeekingPassThru_GetTimeFormat,
 642     MediaSeekingPassThru_IsUsingTimeFormat,
 643     MediaSeekingPassThru_SetTimeFormat,
 644     MediaSeekingPassThru_GetDuration,
 645     MediaSeekingPassThru_GetStopPosition,
 646     MediaSeekingPassThru_GetCurrentPosition,
 647     MediaSeekingPassThru_ConvertTimeFormat,
 648     MediaSeekingPassThru_SetPositions,
 649     MediaSeekingPassThru_GetPositions,
 650     MediaSeekingPassThru_GetAvailable,
 651     MediaSeekingPassThru_SetRate,
 652     MediaSeekingPassThru_GetRate,
 653     MediaSeekingPassThru_GetPreroll
 654 };
 655
 656 static HRESULT WINAPI MediaPositionPassThru_QueryInterface(IMediaPosition *iface, REFIID riid, LPVOID *ppvObj)
 657 {
 658     PassThruImpl *This = impl_from_IMediaPosition(iface);
 659
 660     TRACE("(%p/%p)->(%s (%p), %p)\n", This, iface, debugstr_guid(riid), riid, ppvObj);
 661
 662     return SeekOuter_QueryInterface(This, riid, ppvObj);
 663 }
 664
 665 static ULONG WINAPI MediaPositionPassThru_AddRef(IMediaPosition *iface)
 666 {
 667     PassThruImpl *This = impl_from_IMediaPosition(iface);
 668
 669     TRACE("(%p/%p)->()\n", iface, This);
 670
 671     return SeekOuter_AddRef(This);
 672 }
 673
 674 static ULONG WINAPI MediaPositionPassThru_Release(IMediaPosition *iface)
 675 {
 676     PassThruImpl *This = impl_from_IMediaPosition(iface);
 677
 678     TRACE("(%p/%p)->()\n", iface, This);
 679
 680     return SeekOuter_Release(This);
 681 }
 682
 683 static HRESULT WINAPI MediaPositionPassThru_GetTypeInfoCount(IMediaPosition *iface, UINT*pctinfo)
 684 {
 685     PassThruImpl *This = impl_from_IMediaPosition(iface);
 686
 687     return BaseDispatchImpl_GetTypeInfoCount(&This->baseDispatch, pctinfo);
 688 }
 689
 690 static HRESULT WINAPI MediaPositionPassThru_GetTypeInfo(IMediaPosition *iface, UINT iTInfo, LCID lcid, ITypeInfo**ppTInfo)
 691 {
 692     PassThruImpl *This = impl_from_IMediaPosition(iface);
 693
 694     return BaseDispatchImpl_GetTypeInfo(&This->baseDispatch, &IID_NULL, iTInfo, lcid, ppTInfo);
 695 }
 696
 697 static HRESULT WINAPI MediaPositionPassThru_GetIDsOfNames(IMediaPosition *iface, REFIID riid, LPOLESTR*rgszNames, UINT cNames, LCID lcid, DISPID*rgDispId)
 698 {
 699     PassThruImpl *This = impl_from_IMediaPosition(iface);
 700
 701     return BaseDispatchImpl_GetIDsOfNames(&This->baseDispatch, riid, rgszNames, cNames, lcid, rgDispId);
 702 }
 703
 704 static HRESULT WINAPI MediaPositionPassThru_Invoke(IMediaPosition *iface, DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS*pDispParams, VARIANT*pVarResult, EXCEPINFO*pExepInfo, UINT*puArgErr)
 705 {
 706     PassThruImpl *This = impl_from_IMediaPosition(iface);
 707     HRESULT hr = S_OK;
 708     ITypeInfo *pTypeInfo;
 709
 710     hr = BaseDispatchImpl_GetTypeInfo(&This->baseDispatch, riid, 1, lcid, &pTypeInfo);
 711     if (SUCCEEDED(hr))
 712     {
 713         hr = ITypeInfo_Invoke(pTypeInfo, &This->IMediaPosition_iface, dispIdMember, wFlags, pDispParams, pVarResult, pExepInfo, puArgErr);
 714         ITypeInfo_Release(pTypeInfo);
 715     }
 716
 717     return hr;
 718 }
 719
 720 static HRESULT WINAPI MediaPositionPassThru_get_Duration(IMediaPosition *iface, REFTIME *plength)
 721 {
 722     PassThruImpl *This = impl_from_IMediaPosition(iface);
 723     IMediaPosition *pos;
 724     HRESULT hr;
 725
 726     TRACE("(%p)\n", plength);
 727
 728     hr = get_connected(This, &IID_IMediaPosition, (LPVOID*)&pos);
 729     if (SUCCEEDED(hr)) {
 730         hr = IMediaPosition_get_Duration(pos, plength);
 731         IMediaPosition_Release(pos);
 732     }
 733     else
 734         return E_NOTIMPL;
 735     return hr;
 736 }
 737
 738 static HRESULT WINAPI MediaPositionPassThru_put_CurrentPosition(IMediaPosition *iface, REFTIME llTime)
 739 {
 740     PassThruImpl *This = impl_from_IMediaPosition(iface);
 741     IMediaPosition *pos;
 742     HRESULT hr;
 743
 744     TRACE("(%s)\n", wine_dbgstr_longlong(llTime));
 745
 746     hr = get_connected(This, &IID_IMediaPosition, (LPVOID*)&pos);
 747     if (SUCCEEDED(hr)) {
 748         hr = IMediaPosition_put_CurrentPosition(pos, llTime);
 749         IMediaPosition_Release(pos);
 750     }
 751     else
 752         return E_NOTIMPL;
 753     return hr;
 754 }
 755
 756 static HRESULT WINAPI MediaPositionPassThru_get_CurrentPosition(IMediaPosition *iface, REFTIME *pllTime)
 757 {
 758     PassThruImpl *This = impl_from_IMediaPosition(iface);
 759     IMediaPosition *pos;
 760     HRESULT hr;
 761
 762     TRACE("(%p)\n", pllTime);
 763
 764     hr = get_connected(This, &IID_IMediaPosition, (LPVOID*)&pos);
 765     if (SUCCEEDED(hr)) {
 766         hr = IMediaPosition_get_CurrentPosition(pos, pllTime);
 767         IMediaPosition_Release(pos);
 768     }
 769     else
 770         return E_NOTIMPL;
 771     return hr;
 772 }
 773
 774 static HRESULT WINAPI MediaPositionPassThru_get_StopTime(IMediaPosition *iface, REFTIME *pllTime)
 775 {
 776     PassThruImpl *This = impl_from_IMediaPosition(iface);
 777     IMediaPosition *pos;
 778     HRESULT hr;
 779
 780     TRACE("(%p)\n", pllTime);
 781
 782     hr = get_connected(This, &IID_IMediaPosition, (LPVOID*)&pos);
 783     if (SUCCEEDED(hr)) {
 784         hr = IMediaPosition_get_StopTime(pos, pllTime);
 785         IMediaPosition_Release(pos);
 786     }
 787     else
 788         return E_NOTIMPL;
 789     return hr;
 790 }
 791
 792 static HRESULT WINAPI MediaPositionPassThru_put_StopTime(IMediaPosition *iface, REFTIME llTime)
 793 {
 794     PassThruImpl *This = impl_from_IMediaPosition(iface);
 795     IMediaPosition *pos;
 796     HRESULT hr;
 797
 798     TRACE("(%s)\n", wine_dbgstr_longlong(llTime));
 799
 800     hr = get_connected(This, &IID_IMediaPosition, (LPVOID*)&pos);
 801     if (SUCCEEDED(hr)) {
 802         hr = IMediaPosition_put_StopTime(pos, llTime);
 803         IMediaPosition_Release(pos);
 804     }
 805     else
 806         return E_NOTIMPL;
 807     return hr;
 808 }
 809
 810 static HRESULT WINAPI MediaPositionPassThru_get_PrerollTime(IMediaPosition *iface, REFTIME *pllTime)
 811 {
 812     PassThruImpl *This = impl_from_IMediaPosition(iface);
 813     IMediaPosition *pos;
 814     HRESULT hr;
 815
 816     TRACE("(%p)\n", pllTime);
 817
 818     hr = get_connected(This, &IID_IMediaPosition, (LPVOID*)&pos);
 819     if (SUCCEEDED(hr)) {
 820         hr = IMediaPosition_get_PrerollTime(pos, pllTime);
 821         IMediaPosition_Release(pos);
 822     }
 823     else
 824         return E_NOTIMPL;
 825     return hr;
 826 }
 827
 828 static HRESULT WINAPI MediaPositionPassThru_put_PrerollTime(IMediaPosition *iface, REFTIME llTime)
 829 {
 830     PassThruImpl *This = impl_from_IMediaPosition(iface);
 831     IMediaPosition *pos;
 832     HRESULT hr;
 833
 834     TRACE("(%s)\n", wine_dbgstr_longlong(llTime));
 835
 836     hr = get_connected(This, &IID_IMediaPosition, (LPVOID*)&pos);
 837     if (SUCCEEDED(hr)) {
 838         hr = IMediaPosition_put_PrerollTime(pos, llTime);
 839         IMediaPosition_Release(pos);
 840     }
 841     else
 842         return E_NOTIMPL;
 843     return hr;
 844 }
 845
 846 static HRESULT WINAPI MediaPositionPassThru_put_Rate(IMediaPosition *iface, double dRate)
 847 {
 848     PassThruImpl *This = impl_from_IMediaPosition(iface);
 849     IMediaPosition *pos;
 850     HRESULT hr;
 851
 852     TRACE("(%f)\n", dRate);
 853
 854     hr = get_connected(This, &IID_IMediaPosition, (LPVOID*)&pos);
 855     if (SUCCEEDED(hr)) {
 856         hr = IMediaPosition_put_Rate(pos, dRate);
 857         IMediaPosition_Release(pos);
 858     }
 859     else
 860         return E_NOTIMPL;
 861     return hr;
 862 }
 863
 864 static HRESULT WINAPI MediaPositionPassThru_get_Rate(IMediaPosition *iface, double *pdRate)
 865 {
 866     PassThruImpl *This = impl_from_IMediaPosition(iface);
 867     IMediaPosition *pos;
 868     HRESULT hr;
 869
 870     TRACE("(%p)\n", pdRate);
 871
 872     hr = get_connected(This, &IID_IMediaPosition, (LPVOID*)&pos);
 873     if (SUCCEEDED(hr)) {
 874         hr = IMediaPosition_get_Rate(pos, pdRate);
 875         IMediaPosition_Release(pos);
 876     }
 877     else
 878         return E_NOTIMPL;
 879     return hr;
 880 }
 881
 882 static HRESULT WINAPI MediaPositionPassThru_CanSeekForward(IMediaPosition *iface, LONG *pCanSeekForward)
 883 {
 884     PassThruImpl *This = impl_from_IMediaPosition(iface);
 885     IMediaPosition *pos;
 886     HRESULT hr;
 887
 888     TRACE("(%p)\n", pCanSeekForward);
 889
 890     hr = get_connected(This, &IID_IMediaPosition, (LPVOID*)&pos);
 891     if (SUCCEEDED(hr)) {
 892         hr = IMediaPosition_CanSeekForward(pos, pCanSeekForward);
 893         IMediaPosition_Release(pos);
 894     }
 895     else
 896         return E_NOTIMPL;
 897     return hr;
 898 }
 899
 900 static HRESULT WINAPI MediaPositionPassThru_CanSeekBackward(IMediaPosition *iface, LONG *pCanSeekBackward)
 901 {
 902     PassThruImpl *This = impl_from_IMediaPosition(iface);
 903     IMediaPosition *pos;
 904     HRESULT hr;
 905
 906     TRACE("(%p)\n", pCanSeekBackward);
 907
 908     hr = get_connected(This, &IID_IMediaPosition, (LPVOID*)&pos);
 909     if (SUCCEEDED(hr)) {
 910         hr = IMediaPosition_CanSeekBackward(pos, pCanSeekBackward);
 911         IMediaPosition_Release(pos);
 912     }
 913     else
 914         return E_NOTIMPL;
 915     return hr;
 916 }
 917
 918 static const IMediaPositionVtbl IMediaPositionPassThru_Vtbl =
 919 {
 920     MediaPositionPassThru_QueryInterface,
 921     MediaPositionPassThru_AddRef,
 922     MediaPositionPassThru_Release,
 923     MediaPositionPassThru_GetTypeInfoCount,
 924     MediaPositionPassThru_GetTypeInfo,
 925     MediaPositionPassThru_GetIDsOfNames,
 926     MediaPositionPassThru_Invoke,
 927     MediaPositionPassThru_get_Duration,
 928     MediaPositionPassThru_put_CurrentPosition,
 929     MediaPositionPassThru_get_CurrentPosition,
 930     MediaPositionPassThru_get_StopTime,
 931     MediaPositionPassThru_put_StopTime,
 932     MediaPositionPassThru_get_PrerollTime,
 933     MediaPositionPassThru_put_PrerollTime,
 934     MediaPositionPassThru_put_Rate,
 935     MediaPositionPassThru_get_Rate,
 936     MediaPositionPassThru_CanSeekForward,
 937     MediaPositionPassThru_CanSeekBackward
 938 };