1 /* DirectShow Media Detector object (QEDIT.DLL)
3 * Copyright 2008 Google (Lei Zhang, Dan Hipschman)
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
30 #include "qedit_private.h"
31 #include "wine/debug.h"
33 WINE_DEFAULT_DEBUG_CHANNEL(qedit);
35 typedef struct MediaDetImpl {
36 const IMediaDetVtbl *MediaDet_Vtbl;
40 IBaseFilter *splitter;
46 static void MD_cleanup(MediaDetImpl *This)
48 if (This->cur_pin) IPin_Release(This->cur_pin);
50 if (This->source) IBaseFilter_Release(This->source);
52 if (This->splitter) IBaseFilter_Release(This->splitter);
53 This->splitter = NULL;
54 if (This->graph) IGraphBuilder_Release(This->graph);
56 This->num_streams = -1;
60 static ULONG WINAPI MediaDet_AddRef(IMediaDet* iface)
62 MediaDetImpl *This = (MediaDetImpl *)iface;
63 ULONG refCount = InterlockedIncrement(&This->refCount);
64 TRACE("(%p)->() AddRef from %d\n", This, refCount - 1);
68 static ULONG WINAPI MediaDet_Release(IMediaDet* iface)
70 MediaDetImpl *This = (MediaDetImpl *)iface;
71 ULONG refCount = InterlockedDecrement(&This->refCount);
72 TRACE("(%p)->() Release from %d\n", This, refCount + 1);
84 static HRESULT WINAPI MediaDet_QueryInterface(IMediaDet* iface, REFIID riid,
87 MediaDetImpl *This = (MediaDetImpl *)iface;
88 TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
90 if (IsEqualIID(riid, &IID_IUnknown) ||
91 IsEqualIID(riid, &IID_IMediaDet)) {
92 MediaDet_AddRef(iface);
97 WARN("(%p, %s,%p): not found\n", This, debugstr_guid(riid), ppvObject);
101 static HRESULT WINAPI MediaDet_get_Filter(IMediaDet* iface, IUnknown **pVal)
103 MediaDetImpl *This = (MediaDetImpl *)iface;
104 FIXME("(%p)->(%p): not implemented!\n", This, pVal);
108 static HRESULT WINAPI MediaDet_put_Filter(IMediaDet* iface, IUnknown *newVal)
110 MediaDetImpl *This = (MediaDetImpl *)iface;
111 FIXME("(%p)->(%p): not implemented!\n", This, newVal);
115 static HRESULT WINAPI MediaDet_get_OutputStreams(IMediaDet* iface, LONG *pVal)
117 MediaDetImpl *This = (MediaDetImpl *)iface;
122 TRACE("(%p)\n", This);
127 if (This->num_streams != -1)
129 *pVal = This->num_streams;
135 hr = IBaseFilter_EnumPins(This->splitter, &pins);
139 while (IEnumPins_Next(pins, 1, &pin, NULL) == S_OK)
142 hr = IPin_QueryDirection(pin, &dir);
146 IEnumPins_Release(pins);
150 if (dir == PINDIR_OUTPUT)
153 IEnumPins_Release(pins);
155 This->num_streams = *pVal;
159 static HRESULT WINAPI MediaDet_get_CurrentStream(IMediaDet* iface, LONG *pVal)
161 MediaDetImpl *This = (MediaDetImpl *)iface;
162 TRACE("(%p)\n", This);
167 *pVal = This->cur_stream;
171 static HRESULT SetCurPin(MediaDetImpl *This, long strm)
177 assert(This->splitter);
178 assert(0 <= strm && strm < This->num_streams);
182 IPin_Release(This->cur_pin);
183 This->cur_pin = NULL;
186 hr = IBaseFilter_EnumPins(This->splitter, &pins);
190 while (IEnumPins_Next(pins, 1, &pin, NULL) == S_OK && !This->cur_pin)
193 hr = IPin_QueryDirection(pin, &dir);
197 IEnumPins_Release(pins);
201 if (dir == PINDIR_OUTPUT && strm-- == 0)
206 IEnumPins_Release(pins);
208 assert(This->cur_pin);
212 static HRESULT WINAPI MediaDet_put_CurrentStream(IMediaDet* iface, LONG newVal)
214 MediaDetImpl *This = (MediaDetImpl *)iface;
217 TRACE("(%p)->(%d)\n", This, newVal);
219 if (This->num_streams == -1)
222 hr = MediaDet_get_OutputStreams(iface, &n);
227 if (newVal < 0 || This->num_streams <= newVal)
230 hr = SetCurPin(This, newVal);
234 This->cur_stream = newVal;
238 static HRESULT WINAPI MediaDet_get_StreamType(IMediaDet* iface, GUID *pVal)
240 MediaDetImpl *This = (MediaDetImpl *)iface;
241 FIXME("(%p)->(%p): not implemented!\n", This, debugstr_guid(pVal));
245 static HRESULT WINAPI MediaDet_get_StreamTypeB(IMediaDet* iface, BSTR *pVal)
247 MediaDetImpl *This = (MediaDetImpl *)iface;
248 FIXME("(%p)->(%p): not implemented!\n", This, pVal);
252 static HRESULT WINAPI MediaDet_get_StreamLength(IMediaDet* iface, double *pVal)
254 MediaDetImpl *This = (MediaDetImpl *)iface;
255 FIXME("(%p): stub!\n", This);
256 return VFW_E_INVALIDMEDIATYPE;
259 static HRESULT WINAPI MediaDet_get_Filename(IMediaDet* iface, BSTR *pVal)
261 MediaDetImpl *This = (MediaDetImpl *)iface;
262 IFileSourceFilter *file;
266 TRACE("(%p)\n", This);
272 /* MSDN says it should return E_FAIL if no file is open, but tests
277 hr = IBaseFilter_QueryInterface(This->source, &IID_IFileSourceFilter,
282 hr = IFileSourceFilter_GetCurFile(file, &name, NULL);
283 IFileSourceFilter_Release(file);
287 *pVal = SysAllocString(name);
290 return E_OUTOFMEMORY;
295 /* From quartz, 2008/04/07 */
296 static HRESULT GetFilterInfo(IMoniker *pMoniker, GUID *pclsid, VARIANT *pvar)
298 static const WCHAR wszClsidName[] = {'C','L','S','I','D',0};
299 static const WCHAR wszFriendlyName[] = {'F','r','i','e','n','d','l','y','N','a','m','e',0};
300 IPropertyBag *pPropBagCat = NULL;
304 V_VT(pvar) = VT_BSTR;
306 hr = IMoniker_BindToStorage(pMoniker, NULL, NULL, &IID_IPropertyBag,
307 (LPVOID *) &pPropBagCat);
310 hr = IPropertyBag_Read(pPropBagCat, wszClsidName, pvar, NULL);
313 hr = CLSIDFromString(V_UNION(pvar, bstrVal), pclsid);
316 hr = IPropertyBag_Read(pPropBagCat, wszFriendlyName, pvar, NULL);
319 TRACE("Moniker = %s - %s\n", debugstr_guid(pclsid),
320 debugstr_w(V_UNION(pvar, bstrVal)));
323 IPropertyBag_Release(pPropBagCat);
328 static HRESULT GetSplitter(MediaDetImpl *This)
330 IFileSourceFilter *file;
335 IEnumMoniker *filters;
339 IBaseFilter *splitter;
341 IPin *source_pin, *splitter_pin;
344 hr = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER,
345 &IID_IFilterMapper2, (void **) &map);
349 hr = IBaseFilter_QueryInterface(This->source, &IID_IFileSourceFilter,
353 IFilterMapper2_Release(map);
357 hr = IFileSourceFilter_GetCurFile(file, &name, &mt);
358 IFileSourceFilter_Release(file);
362 IFilterMapper2_Release(map);
365 type[0] = mt.majortype;
366 type[1] = mt.subtype;
367 CoTaskMemFree(mt.pbFormat);
369 hr = IFilterMapper2_EnumMatchingFilters(map, &filters, 0, TRUE,
370 MERIT_UNLIKELY, FALSE, 1, type,
371 NULL, NULL, FALSE, TRUE,
372 0, NULL, NULL, NULL);
373 IFilterMapper2_Release(map);
377 hr = IEnumMoniker_Next(filters, 1, &mon, NULL);
378 IEnumMoniker_Release(filters);
379 if (hr != S_OK) /* No matches, what do we do? */
380 return E_NOINTERFACE;
382 hr = GetFilterInfo(mon, &clsid, &var);
383 IMoniker_Release(mon);
387 hr = CoCreateInstance(&clsid, NULL, CLSCTX_INPROC_SERVER,
388 &IID_IBaseFilter, (void **) &splitter);
392 hr = IGraphBuilder_AddFilter(This->graph, splitter,
393 V_UNION(&var, bstrVal));
396 IBaseFilter_Release(splitter);
399 This->splitter = splitter;
401 hr = IBaseFilter_EnumPins(This->source, &pins);
404 IEnumPins_Next(pins, 1, &source_pin, NULL);
405 IEnumPins_Release(pins);
407 hr = IBaseFilter_EnumPins(splitter, &pins);
410 IPin_Release(source_pin);
413 IEnumPins_Next(pins, 1, &splitter_pin, NULL);
414 IEnumPins_Release(pins);
416 hr = IPin_Connect(source_pin, splitter_pin, NULL);
417 IPin_Release(source_pin);
418 IPin_Release(splitter_pin);
425 static HRESULT WINAPI MediaDet_put_Filename(IMediaDet* iface, BSTR newVal)
427 static const WCHAR reader[] = {'R','e','a','d','e','r',0};
428 MediaDetImpl *This = (MediaDetImpl *)iface;
433 TRACE("(%p)->(%s)\n", This, debugstr_w(newVal));
437 WARN("MSDN says not to call this method twice\n");
441 hr = CoCreateInstance(&CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER,
442 &IID_IGraphBuilder, (void **) &gb);
446 hr = IGraphBuilder_AddSourceFilter(gb, newVal, reader, &bf);
449 IGraphBuilder_Release(gb);
455 hr = GetSplitter(This);
459 return MediaDet_put_CurrentStream(iface, 0);
462 static HRESULT WINAPI MediaDet_GetBitmapBits(IMediaDet* iface,
464 LONG *pBufferSize, char *pBuffer,
465 LONG Width, LONG Height)
467 MediaDetImpl *This = (MediaDetImpl *)iface;
468 FIXME("(%p)->(%f %p %p %d %d): not implemented!\n", This, StreamTime, pBufferSize, pBuffer,
473 static HRESULT WINAPI MediaDet_WriteBitmapBits(IMediaDet* iface,
474 double StreamTime, LONG Width,
475 LONG Height, BSTR Filename)
477 MediaDetImpl *This = (MediaDetImpl *)iface;
478 FIXME("(%p)->(%f %d %d %p): not implemented!\n", This, StreamTime, Width, Height, Filename);
482 static HRESULT WINAPI MediaDet_get_StreamMediaType(IMediaDet* iface,
485 MediaDetImpl *This = (MediaDetImpl *)iface;
486 IEnumMediaTypes *types;
490 TRACE("(%p)\n", This);
498 hr = IPin_EnumMediaTypes(This->cur_pin, &types);
501 hr = (IEnumMediaTypes_Next(types, 1, &pmt, NULL) == S_OK
504 IEnumMediaTypes_Release(types);
516 static HRESULT WINAPI MediaDet_GetSampleGrabber(IMediaDet* iface,
517 ISampleGrabber **ppVal)
519 MediaDetImpl *This = (MediaDetImpl *)iface;
520 FIXME("(%p)->(%p): not implemented!\n", This, ppVal);
524 static HRESULT WINAPI MediaDet_get_FrameRate(IMediaDet* iface, double *pVal)
526 MediaDetImpl *This = (MediaDetImpl *)iface;
531 TRACE("(%p)\n", This);
536 hr = MediaDet_get_StreamMediaType(iface, &mt);
540 if (!IsEqualGUID(&mt.majortype, &MEDIATYPE_Video))
542 CoTaskMemFree(mt.pbFormat);
543 return VFW_E_INVALIDMEDIATYPE;
546 vh = (VIDEOINFOHEADER *) mt.pbFormat;
547 *pVal = 1.0e7 / (double) vh->AvgTimePerFrame;
549 CoTaskMemFree(mt.pbFormat);
553 static HRESULT WINAPI MediaDet_EnterBitmapGrabMode(IMediaDet* iface,
556 MediaDetImpl *This = (MediaDetImpl *)iface;
557 FIXME("(%p)->(%f): not implemented!\n", This, SeekTime);
561 static const IMediaDetVtbl IMediaDet_VTable =
563 MediaDet_QueryInterface,
568 MediaDet_get_OutputStreams,
569 MediaDet_get_CurrentStream,
570 MediaDet_put_CurrentStream,
571 MediaDet_get_StreamType,
572 MediaDet_get_StreamTypeB,
573 MediaDet_get_StreamLength,
574 MediaDet_get_Filename,
575 MediaDet_put_Filename,
576 MediaDet_GetBitmapBits,
577 MediaDet_WriteBitmapBits,
578 MediaDet_get_StreamMediaType,
579 MediaDet_GetSampleGrabber,
580 MediaDet_get_FrameRate,
581 MediaDet_EnterBitmapGrabMode,
584 HRESULT MediaDet_create(IUnknown * pUnkOuter, LPVOID * ppv) {
585 MediaDetImpl* obj = NULL;
587 TRACE("(%p,%p)\n", ppv, pUnkOuter);
590 return CLASS_E_NOAGGREGATION;
592 obj = CoTaskMemAlloc(sizeof(MediaDetImpl));
595 return E_OUTOFMEMORY;
597 ZeroMemory(obj, sizeof(MediaDetImpl));
600 obj->MediaDet_Vtbl = &IMediaDet_VTable;
603 obj->splitter = NULL;
605 obj->num_streams = -1;