4 * Copyright 2003 Robert Shearman
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.
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.
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
21 #define NONAMELESSUNION
22 #define NONAMELESSSTRUCT
24 #include "quartz_private.h"
26 #include "wine/debug.h"
27 #include "wine/unicode.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(quartz
);
38 static const WCHAR wszOutputPinName
[] = { 'O','u','t','p','u','t',0 };
40 typedef struct AsyncReader
43 const IFileSourceFilterVtbl
* lpVtblFSF
;
50 static const IBaseFilterVtbl AsyncReader_Vtbl
;
51 static const IFileSourceFilterVtbl FileSource_Vtbl
;
52 static const IAsyncReaderVtbl FileAsyncReader_Vtbl
;
54 static HRESULT
FileAsyncReader_Construct(HANDLE hFile
, IBaseFilter
* pBaseFilter
, LPCRITICAL_SECTION pCritSec
, IPin
** ppPin
);
56 static inline AsyncReader
*impl_from_IFileSourceFilter( IFileSourceFilter
*iface
)
58 return (AsyncReader
*)((char*)iface
- FIELD_OFFSET(AsyncReader
, lpVtblFSF
));
61 static WCHAR
const mediatype_name
[11] = {
62 'M', 'e', 'd', 'i', 'a', ' ', 'T', 'y', 'p', 'e', 0 };
63 static WCHAR
const subtype_name
[8] = {
64 'S', 'u', 'b', 't', 'y', 'p', 'e', 0 };
66 static HRESULT
process_extensions(HKEY hkeyExtensions
, LPCOLESTR pszFileName
, GUID
* majorType
, GUID
* minorType
)
77 /* Get the part of the name that matters */
78 extension
= PathFindExtensionW(pszFileName
);
79 if (*extension
!= '.')
82 l
= RegOpenKeyExW(hkeyExtensions
, extension
, 0, KEY_READ
, &hsub
);
86 size
= sizeof(keying
);
87 l
= RegQueryValueExW(hsub
, mediatype_name
, NULL
, NULL
, (LPBYTE
)keying
, &size
);
89 CLSIDFromString(keying
, majorType
);
91 size
= sizeof(keying
);
93 l
= RegQueryValueExW(hsub
, subtype_name
, NULL
, NULL
, (LPBYTE
)keying
, &size
);
96 CLSIDFromString(keying
, minorType
);
105 static unsigned char byte_from_hex_char(WCHAR wHex
)
107 switch (tolowerW(wHex
))
119 return (wHex
- '0') & 0xf;
126 return (wHex
- 'a' + 10) & 0xf;
132 static HRESULT
process_pattern_string(LPCWSTR wszPatternString
, IAsyncReader
* pReader
)
142 TRACE("\t\tPattern string: %s\n", debugstr_w(wszPatternString
));
144 /* format: "offset, bytestocompare, mask, value" */
146 ulOffset
= strtolW(wszPatternString
, NULL
, 10);
148 if (!(wszPatternString
= strchrW(wszPatternString
, ',')))
151 wszPatternString
++; /* skip ',' */
153 ulBytes
= strtolW(wszPatternString
, NULL
, 10);
155 pbMask
= HeapAlloc(GetProcessHeap(), 0, ulBytes
);
156 pbValue
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, ulBytes
);
157 pbFile
= HeapAlloc(GetProcessHeap(), 0, ulBytes
);
159 /* default mask is match everything */
160 memset(pbMask
, 0xFF, ulBytes
);
162 if (!(wszPatternString
= strchrW(wszPatternString
, ',')))
167 wszPatternString
++; /* skip ',' */
168 while (!isxdigitW(*wszPatternString
) && (*wszPatternString
!= ',')) wszPatternString
++;
170 for (strpos
= 0; isxdigitW(*wszPatternString
) && (strpos
/2 < ulBytes
); wszPatternString
++, strpos
++)
172 if ((strpos
% 2) == 1) /* odd numbered position */
173 pbMask
[strpos
/ 2] |= byte_from_hex_char(*wszPatternString
);
175 pbMask
[strpos
/ 2] = byte_from_hex_char(*wszPatternString
) << 4;
178 if (!(wszPatternString
= strchrW(wszPatternString
, ',')))
181 wszPatternString
++; /* skip ',' */
186 for ( ; !isxdigitW(*wszPatternString
) && (*wszPatternString
!= ','); wszPatternString
++)
189 for (strpos
= 0; isxdigitW(*wszPatternString
) && (strpos
/2 < ulBytes
); wszPatternString
++, strpos
++)
191 if ((strpos
% 2) == 1) /* odd numbered position */
192 pbValue
[strpos
/ 2] |= byte_from_hex_char(*wszPatternString
);
194 pbValue
[strpos
/ 2] = byte_from_hex_char(*wszPatternString
) << 4;
199 hr
= IAsyncReader_SyncRead(pReader
, ulOffset
, ulBytes
, pbFile
);
204 for (i
= 0; i
< ulBytes
; i
++)
205 if ((pbFile
[i
] & pbMask
[i
]) != pbValue
[i
])
212 HeapFree(GetProcessHeap(), 0, pbMask
);
213 HeapFree(GetProcessHeap(), 0, pbValue
);
214 HeapFree(GetProcessHeap(), 0, pbFile
);
216 /* if we encountered no errors with this string, and there is a following tuple, then we
217 * have to match that as well to succeed */
218 if ((hr
== S_OK
) && (wszPatternString
= strchrW(wszPatternString
, ',')))
219 return process_pattern_string(wszPatternString
+ 1, pReader
);
224 static HRESULT
GetClassMediaFile(IAsyncReader
* pReader
, LPCOLESTR pszFileName
, GUID
* majorType
, GUID
* minorType
)
226 HKEY hkeyMediaType
= NULL
;
230 static const WCHAR wszMediaType
[] = {'M','e','d','i','a',' ','T','y','p','e',0};
232 TRACE("(%p, %s, %p, %p)\n", pReader
, debugstr_w(pszFileName
), majorType
, minorType
);
234 *majorType
= GUID_NULL
;
235 *minorType
= GUID_NULL
;
237 lRet
= RegOpenKeyExW(HKEY_CLASSES_ROOT
, wszMediaType
, 0, KEY_READ
, &hkeyMediaType
);
238 hr
= HRESULT_FROM_WIN32(lRet
);
244 for (indexMajor
= 0; !bFound
; indexMajor
++)
247 WCHAR wszMajorKeyName
[CHARS_IN_GUID
];
248 DWORD dwKeyNameLength
= sizeof(wszMajorKeyName
) / sizeof(wszMajorKeyName
[0]);
249 static const WCHAR wszExtensions
[] = {'E','x','t','e','n','s','i','o','n','s',0};
251 if (RegEnumKeyExW(hkeyMediaType
, indexMajor
, wszMajorKeyName
, &dwKeyNameLength
, NULL
, NULL
, NULL
, NULL
) != ERROR_SUCCESS
)
253 if (RegOpenKeyExW(hkeyMediaType
, wszMajorKeyName
, 0, KEY_READ
, &hkeyMajor
) != ERROR_SUCCESS
)
255 TRACE("%s\n", debugstr_w(wszMajorKeyName
));
256 if (!strcmpW(wszExtensions
, wszMajorKeyName
))
258 if (process_extensions(hkeyMajor
, pszFileName
, majorType
, minorType
) == S_OK
)
265 for (indexMinor
= 0; !bFound
; indexMinor
++)
268 WCHAR wszMinorKeyName
[CHARS_IN_GUID
];
269 DWORD dwMinorKeyNameLen
= sizeof(wszMinorKeyName
) / sizeof(wszMinorKeyName
[0]);
273 if (RegEnumKeyExW(hkeyMajor
, indexMinor
, wszMinorKeyName
, &dwMinorKeyNameLen
, NULL
, NULL
, NULL
, NULL
) != ERROR_SUCCESS
)
276 if (RegOpenKeyExW(hkeyMajor
, wszMinorKeyName
, 0, KEY_READ
, &hkeyMinor
) != ERROR_SUCCESS
)
279 TRACE("\t%s\n", debugstr_w(wszMinorKeyName
));
281 if (RegQueryInfoKeyW(hkeyMinor
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, &maxValueLen
, NULL
, NULL
) != ERROR_SUCCESS
)
284 for (indexValue
= 0; !bFound
; indexValue
++)
287 WCHAR wszValueName
[14]; /* longest name we should encounter will be "Source Filter" */
288 LPWSTR wszPatternString
= HeapAlloc(GetProcessHeap(), 0, maxValueLen
);
289 DWORD dwValueNameLen
= sizeof(wszValueName
) / sizeof(wszValueName
[0]); /* remember this is in chars */
290 DWORD dwDataLen
= maxValueLen
; /* remember this is in bytes */
291 static const WCHAR wszSourceFilter
[] = {'S','o','u','r','c','e',' ','F','i','l','t','e','r',0};
294 if ((temp
= RegEnumValueW(hkeyMinor
, indexValue
, wszValueName
, &dwValueNameLen
, NULL
, &dwType
, (LPBYTE
)wszPatternString
, &dwDataLen
)) != ERROR_SUCCESS
)
296 HeapFree(GetProcessHeap(), 0, wszPatternString
);
300 /* if it is not the source filter value */
301 if (strcmpW(wszValueName
, wszSourceFilter
))
303 if (process_pattern_string(wszPatternString
, pReader
) == S_OK
)
305 if (SUCCEEDED(CLSIDFromString(wszMajorKeyName
, majorType
)) &&
306 SUCCEEDED(CLSIDFromString(wszMinorKeyName
, minorType
)))
310 HeapFree(GetProcessHeap(), 0, wszPatternString
);
312 CloseHandle(hkeyMinor
);
315 CloseHandle(hkeyMajor
);
318 CloseHandle(hkeyMediaType
);
320 if (SUCCEEDED(hr
) && !bFound
)
322 ERR("Media class not found\n");
326 TRACE("Found file's class: major = %s, subtype = %s\n", qzdebugstr_guid(majorType
), qzdebugstr_guid(minorType
));
331 static IPin
* WINAPI
AsyncReader_GetPin(BaseFilter
*iface
, int pos
)
333 AsyncReader
*This
= (AsyncReader
*)iface
;
335 if (pos
>= 1 || !This
->pOutputPin
)
338 IPin_AddRef(This
->pOutputPin
);
339 return This
->pOutputPin
;
342 static LONG WINAPI
AsyncReader_GetPinCount(BaseFilter
*iface
)
344 AsyncReader
*This
= (AsyncReader
*)iface
;
346 if (!This
->pOutputPin
)
352 static const BaseFilterFuncTable BaseFuncTable
= {
354 AsyncReader_GetPinCount
357 HRESULT
AsyncReader_create(IUnknown
* pUnkOuter
, LPVOID
* ppv
)
359 AsyncReader
*pAsyncRead
;
362 return CLASS_E_NOAGGREGATION
;
364 pAsyncRead
= CoTaskMemAlloc(sizeof(AsyncReader
));
367 return E_OUTOFMEMORY
;
369 BaseFilter_Init(&pAsyncRead
->filter
, &AsyncReader_Vtbl
, &CLSID_AsyncReader
, (DWORD_PTR
)(__FILE__
": AsyncReader.csFilter"), &BaseFuncTable
);
371 pAsyncRead
->lpVtblFSF
= &FileSource_Vtbl
;
372 pAsyncRead
->pOutputPin
= NULL
;
374 pAsyncRead
->pszFileName
= NULL
;
375 pAsyncRead
->pmt
= NULL
;
379 TRACE("-- created at %p\n", pAsyncRead
);
384 /** IUnknown methods **/
386 static HRESULT WINAPI
AsyncReader_QueryInterface(IBaseFilter
* iface
, REFIID riid
, LPVOID
* ppv
)
388 AsyncReader
*This
= (AsyncReader
*)iface
;
390 TRACE("(%s, %p)\n", qzdebugstr_guid(riid
), ppv
);
394 if (IsEqualIID(riid
, &IID_IUnknown
))
396 else if (IsEqualIID(riid
, &IID_IPersist
))
398 else if (IsEqualIID(riid
, &IID_IMediaFilter
))
400 else if (IsEqualIID(riid
, &IID_IBaseFilter
))
402 else if (IsEqualIID(riid
, &IID_IFileSourceFilter
))
403 *ppv
= &This
->lpVtblFSF
;
407 IUnknown_AddRef((IUnknown
*)(*ppv
));
411 if (!IsEqualIID(riid
, &IID_IPin
) && !IsEqualIID(riid
, &IID_IMediaSeeking
) &&
412 !IsEqualIID(riid
, &IID_IVideoWindow
) && !IsEqualIID(riid
, &IID_IBasicAudio
))
413 FIXME("No interface for %s!\n", qzdebugstr_guid(riid
));
415 return E_NOINTERFACE
;
418 static ULONG WINAPI
AsyncReader_Release(IBaseFilter
* iface
)
420 AsyncReader
*This
= (AsyncReader
*)iface
;
421 ULONG refCount
= BaseFilterImpl_Release(iface
);
423 TRACE("(%p)->() Release from %d\n", This
, refCount
+ 1);
427 if (This
->pOutputPin
)
430 if(SUCCEEDED(IPin_ConnectedTo(This
->pOutputPin
, &pConnectedTo
)))
432 IPin_Disconnect(pConnectedTo
);
433 IPin_Release(pConnectedTo
);
435 IPin_Disconnect(This
->pOutputPin
);
436 IPin_Release(This
->pOutputPin
);
438 CoTaskMemFree(This
->pszFileName
);
440 FreeMediaType(This
->pmt
);
448 /** IMediaFilter methods **/
450 static HRESULT WINAPI
AsyncReader_Stop(IBaseFilter
* iface
)
452 AsyncReader
*This
= (AsyncReader
*)iface
;
456 This
->filter
.state
= State_Stopped
;
461 static HRESULT WINAPI
AsyncReader_Pause(IBaseFilter
* iface
)
463 AsyncReader
*This
= (AsyncReader
*)iface
;
467 This
->filter
.state
= State_Paused
;
472 static HRESULT WINAPI
AsyncReader_Run(IBaseFilter
* iface
, REFERENCE_TIME tStart
)
474 AsyncReader
*This
= (AsyncReader
*)iface
;
476 TRACE("(%x%08x)\n", (ULONG
)(tStart
>> 32), (ULONG
)tStart
);
478 This
->filter
.state
= State_Running
;
483 /** IBaseFilter methods **/
485 static HRESULT WINAPI
AsyncReader_FindPin(IBaseFilter
* iface
, LPCWSTR Id
, IPin
**ppPin
)
487 FIXME("(%s, %p)\n", debugstr_w(Id
), ppPin
);
492 static const IBaseFilterVtbl AsyncReader_Vtbl
=
494 AsyncReader_QueryInterface
,
495 BaseFilterImpl_AddRef
,
497 BaseFilterImpl_GetClassID
,
501 BaseFilterImpl_GetState
,
502 BaseFilterImpl_SetSyncSource
,
503 BaseFilterImpl_GetSyncSource
,
504 BaseFilterImpl_EnumPins
,
506 BaseFilterImpl_QueryFilterInfo
,
507 BaseFilterImpl_JoinFilterGraph
,
508 BaseFilterImpl_QueryVendorInfo
511 static HRESULT WINAPI
FileSource_QueryInterface(IFileSourceFilter
* iface
, REFIID riid
, LPVOID
* ppv
)
513 AsyncReader
*This
= impl_from_IFileSourceFilter(iface
);
515 return IBaseFilter_QueryInterface((IFileSourceFilter
*)&This
->filter
.lpVtbl
, riid
, ppv
);
518 static ULONG WINAPI
FileSource_AddRef(IFileSourceFilter
* iface
)
520 AsyncReader
*This
= impl_from_IFileSourceFilter(iface
);
522 return IBaseFilter_AddRef((IFileSourceFilter
*)&This
->filter
.lpVtbl
);
525 static ULONG WINAPI
FileSource_Release(IFileSourceFilter
* iface
)
527 AsyncReader
*This
= impl_from_IFileSourceFilter(iface
);
529 return IBaseFilter_Release((IFileSourceFilter
*)&This
->filter
.lpVtbl
);
532 static HRESULT WINAPI
FileSource_Load(IFileSourceFilter
* iface
, LPCOLESTR pszFileName
, const AM_MEDIA_TYPE
* pmt
)
536 IAsyncReader
* pReader
= NULL
;
537 AsyncReader
*This
= impl_from_IFileSourceFilter(iface
);
539 TRACE("(%s, %p)\n", debugstr_w(pszFileName
), pmt
);
542 /* FIXME: check the sharing values that native uses */
543 hFile
= CreateFileW(pszFileName
, GENERIC_READ
, FILE_SHARE_READ
, NULL
, OPEN_EXISTING
, FILE_FLAG_OVERLAPPED
, NULL
);
545 if (hFile
== INVALID_HANDLE_VALUE
)
547 return HRESULT_FROM_WIN32(GetLastError());
551 hr
= FileAsyncReader_Construct(hFile
, (IBaseFilter
*)&This
->filter
.lpVtbl
, &This
->filter
.csFilter
, &This
->pOutputPin
);
552 BaseFilterImpl_IncrementPinVersion((BaseFilter
*)&This
->filter
.lpVtbl
);
555 hr
= IPin_QueryInterface(This
->pOutputPin
, &IID_IAsyncReader
, (LPVOID
*)&pReader
);
557 /* store file name & media type */
560 CoTaskMemFree(This
->pszFileName
);
562 FreeMediaType(This
->pmt
);
564 This
->pszFileName
= CoTaskMemAlloc((strlenW(pszFileName
) + 1) * sizeof(WCHAR
));
565 strcpyW(This
->pszFileName
, pszFileName
);
567 This
->pmt
= CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE
));
570 This
->pmt
->bFixedSizeSamples
= TRUE
;
571 This
->pmt
->bTemporalCompression
= FALSE
;
572 This
->pmt
->cbFormat
= 0;
573 This
->pmt
->pbFormat
= NULL
;
574 This
->pmt
->pUnk
= NULL
;
575 This
->pmt
->lSampleSize
= 0;
576 This
->pmt
->formattype
= FORMAT_None
;
577 hr
= GetClassMediaFile(pReader
, pszFileName
, &This
->pmt
->majortype
, &This
->pmt
->subtype
);
580 CoTaskMemFree(This
->pmt
);
585 CopyMediaType(This
->pmt
, pmt
);
589 IAsyncReader_Release(pReader
);
593 if (This
->pOutputPin
)
595 IPin_Release(This
->pOutputPin
);
596 This
->pOutputPin
= NULL
;
599 CoTaskMemFree(This
->pszFileName
);
601 FreeMediaType(This
->pmt
);
602 This
->pszFileName
= NULL
;
608 /* FIXME: check return codes */
612 static HRESULT WINAPI
FileSource_GetCurFile(IFileSourceFilter
* iface
, LPOLESTR
* ppszFileName
, AM_MEDIA_TYPE
* pmt
)
614 AsyncReader
*This
= impl_from_IFileSourceFilter(iface
);
616 TRACE("(%p, %p)\n", ppszFileName
, pmt
);
621 /* copy file name & media type if available, otherwise clear the outputs */
622 if (This
->pszFileName
)
624 *ppszFileName
= CoTaskMemAlloc((strlenW(This
->pszFileName
) + 1) * sizeof(WCHAR
));
625 strcpyW(*ppszFileName
, This
->pszFileName
);
628 *ppszFileName
= NULL
;
633 CopyMediaType(pmt
, This
->pmt
);
635 ZeroMemory(pmt
, sizeof(*pmt
));
641 static const IFileSourceFilterVtbl FileSource_Vtbl
=
643 FileSource_QueryInterface
,
647 FileSource_GetCurFile
651 /* the dwUserData passed back to user */
652 typedef struct DATAREQUEST
654 IMediaSample
* pSample
; /* sample passed to us by user */
655 DWORD_PTR dwUserData
; /* user data passed to us */
656 OVERLAPPED ovl
; /* our overlapped structure */
659 typedef struct FileAsyncReader
662 const struct IAsyncReaderVtbl
* lpVtblAR
;
664 ALLOCATOR_PROPERTIES allocProps
;
667 /* Why would you need more? Every sample has its own handle */
671 CRITICAL_SECTION csList
; /* critical section to prevent concurrency issues */
672 DATAREQUEST
*sample_list
;
674 /* Have a handle for every sample, and then one more as flushing handle */
678 static inline FileAsyncReader
*impl_from_IAsyncReader( IAsyncReader
*iface
)
680 return (FileAsyncReader
*)((char*)iface
- FIELD_OFFSET(FileAsyncReader
, lpVtblAR
));
683 static HRESULT WINAPI
FileAsyncReaderPin_QueryAccept(IPin
*iface
, const AM_MEDIA_TYPE
*pmt
)
685 FileAsyncReader
*This
= (FileAsyncReader
*)iface
;
686 AM_MEDIA_TYPE
*pmt_filter
= ((AsyncReader
*)This
->pin
.pin
.pinInfo
.pFilter
)->pmt
;
688 FIXME("(%p, %p)\n", iface
, pmt
);
690 if (IsEqualGUID(&pmt
->majortype
, &pmt_filter
->majortype
) &&
691 IsEqualGUID(&pmt
->subtype
, &pmt_filter
->subtype
) &&
692 IsEqualGUID(&pmt
->formattype
, &FORMAT_None
))
698 static HRESULT WINAPI
FileAsyncReaderPin_GetMediaType(BasePin
*iface
, int iPosition
, AM_MEDIA_TYPE
*pmt
)
700 FileAsyncReader
*This
= (FileAsyncReader
*)iface
;
704 return VFW_S_NO_MORE_ITEMS
;
705 CopyMediaType(pmt
, ((AsyncReader
*)This
->pin
.pin
.pinInfo
.pFilter
)->pmt
);
709 /* overridden pin functions */
711 static HRESULT WINAPI
FileAsyncReaderPin_QueryInterface(IPin
* iface
, REFIID riid
, LPVOID
* ppv
)
713 FileAsyncReader
*This
= (FileAsyncReader
*)iface
;
714 TRACE("(%s, %p)\n", qzdebugstr_guid(riid
), ppv
);
718 if (IsEqualIID(riid
, &IID_IUnknown
))
720 else if (IsEqualIID(riid
, &IID_IPin
))
722 else if (IsEqualIID(riid
, &IID_IAsyncReader
))
723 *ppv
= &This
->lpVtblAR
;
727 IUnknown_AddRef((IUnknown
*)(*ppv
));
731 if (!IsEqualIID(riid
, &IID_IPin
) && !IsEqualIID(riid
, &IID_IMediaSeeking
))
732 FIXME("No interface for %s!\n", qzdebugstr_guid(riid
));
734 return E_NOINTERFACE
;
737 static ULONG WINAPI
FileAsyncReaderPin_Release(IPin
* iface
)
739 FileAsyncReader
*This
= (FileAsyncReader
*)iface
;
740 ULONG refCount
= InterlockedDecrement(&This
->pin
.pin
.refCount
);
743 TRACE("(%p)->() Release from %d\n", This
, refCount
+ 1);
747 CoTaskMemFree(This
->sample_list
);
748 if (This
->handle_list
)
750 for (x
= 0; x
<= This
->samples
; ++x
)
751 CloseHandle(This
->handle_list
[x
]);
752 CoTaskMemFree(This
->handle_list
);
754 CloseHandle(This
->hFile
);
755 This
->csList
.DebugInfo
->Spare
[0] = 0;
756 DeleteCriticalSection(&This
->csList
);
763 static const IPinVtbl FileAsyncReaderPin_Vtbl
=
765 FileAsyncReaderPin_QueryInterface
,
767 FileAsyncReaderPin_Release
,
768 BaseOutputPinImpl_Connect
,
769 BaseOutputPinImpl_ReceiveConnection
,
770 BasePinImpl_Disconnect
,
771 BasePinImpl_ConnectedTo
,
772 BasePinImpl_ConnectionMediaType
,
773 BasePinImpl_QueryPinInfo
,
774 BasePinImpl_QueryDirection
,
776 FileAsyncReaderPin_QueryAccept
,
777 BasePinImpl_EnumMediaTypes
,
778 BasePinImpl_QueryInternalConnections
,
779 BaseOutputPinImpl_EndOfStream
,
780 BaseOutputPinImpl_BeginFlush
,
781 BaseOutputPinImpl_EndFlush
,
782 BaseOutputPinImpl_NewSegment
785 /* Function called as a helper to IPin_Connect */
786 /* specific AM_MEDIA_TYPE - it cannot be NULL */
787 /* this differs from standard OutputPin_AttemptConnection only in that it
788 * doesn't need the IMemInputPin interface on the receiving pin */
789 static HRESULT WINAPI
FileAsyncReaderPin_AttemptConnection(BasePin
* iface
, IPin
* pReceivePin
, const AM_MEDIA_TYPE
* pmt
)
791 BaseOutputPin
*This
= (BaseOutputPin
*)iface
;
794 TRACE("(%p, %p)\n", pReceivePin
, pmt
);
795 dump_AM_MEDIA_TYPE(pmt
);
797 /* FIXME: call queryacceptproc */
799 This
->pin
.pConnectedTo
= pReceivePin
;
800 IPin_AddRef(pReceivePin
);
801 CopyMediaType(&This
->pin
.mtCurrent
, pmt
);
803 hr
= IPin_ReceiveConnection(pReceivePin
, (IPin
*)iface
, pmt
);
807 IPin_Release(This
->pin
.pConnectedTo
);
808 This
->pin
.pConnectedTo
= NULL
;
809 FreeMediaType(&This
->pin
.mtCurrent
);
812 TRACE(" -- %x\n", hr
);
816 static HRESULT WINAPI
FileAsyncReaderPin_DecideBufferSize(BaseOutputPin
*iface
, IMemAllocator
*pAlloc
, ALLOCATOR_PROPERTIES
*ppropInputRequest
)
818 FileAsyncReader
*This
= (FileAsyncReader
*)iface
;
819 ALLOCATOR_PROPERTIES actual
;
821 if (ppropInputRequest
->cbAlign
&& ppropInputRequest
->cbAlign
!= This
->allocProps
.cbAlign
)
822 FIXME("Requested Buffer cbAlign mismatch %i,%i\n",This
->allocProps
.cbAlign
, ppropInputRequest
->cbAlign
);
823 if (ppropInputRequest
->cbPrefix
)
824 FIXME("Requested Buffer cbPrefix mismatch %i,%i\n",This
->allocProps
.cbPrefix
, ppropInputRequest
->cbPrefix
);
825 if (ppropInputRequest
->cbBuffer
)
826 FIXME("Requested Buffer cbBuffer mismatch %i,%i\n",This
->allocProps
.cbBuffer
, ppropInputRequest
->cbBuffer
);
827 if (ppropInputRequest
->cBuffers
)
828 FIXME("Requested Buffer cBuffers mismatch %i,%i\n",This
->allocProps
.cBuffers
, ppropInputRequest
->cBuffers
);
830 return IMemAllocator_SetProperties(pAlloc
, &This
->allocProps
, &actual
);
833 static const BasePinFuncTable output_BaseFuncTable
= {
835 FileAsyncReaderPin_AttemptConnection
,
836 BasePinImpl_GetMediaTypeVersion
,
837 FileAsyncReaderPin_GetMediaType
840 static const BaseOutputPinFuncTable output_BaseOutputFuncTable
= {
841 FileAsyncReaderPin_DecideBufferSize
,
842 BaseOutputPinImpl_DecideAllocator
,
843 BaseOutputPinImpl_BreakConnect
846 static HRESULT
FileAsyncReader_Construct(HANDLE hFile
, IBaseFilter
* pBaseFilter
, LPCRITICAL_SECTION pCritSec
, IPin
** ppPin
)
852 piOutput
.dir
= PINDIR_OUTPUT
;
853 piOutput
.pFilter
= pBaseFilter
;
854 strcpyW(piOutput
.achName
, wszOutputPinName
);
855 hr
= BaseOutputPin_Construct(&FileAsyncReaderPin_Vtbl
, sizeof(FileAsyncReader
), &piOutput
, &output_BaseFuncTable
, &output_BaseOutputFuncTable
, pCritSec
, ppPin
);
859 FileAsyncReader
*pPinImpl
= (FileAsyncReader
*)*ppPin
;
860 pPinImpl
->lpVtblAR
= &FileAsyncReader_Vtbl
;
861 pPinImpl
->hFile
= hFile
;
862 pPinImpl
->bFlushing
= FALSE
;
863 pPinImpl
->sample_list
= NULL
;
864 pPinImpl
->handle_list
= NULL
;
865 pPinImpl
->queued_number
= 0;
866 InitializeCriticalSection(&pPinImpl
->csList
);
867 pPinImpl
->csList
.DebugInfo
->Spare
[0] = (DWORD_PTR
)(__FILE__
": FileAsyncReader.csList");
874 static HRESULT WINAPI
FileAsyncReader_QueryInterface(IAsyncReader
* iface
, REFIID riid
, LPVOID
* ppv
)
876 FileAsyncReader
*This
= impl_from_IAsyncReader(iface
);
878 return IPin_QueryInterface((IPin
*)This
, riid
, ppv
);
881 static ULONG WINAPI
FileAsyncReader_AddRef(IAsyncReader
* iface
)
883 FileAsyncReader
*This
= impl_from_IAsyncReader(iface
);
885 return IPin_AddRef((IPin
*)This
);
888 static ULONG WINAPI
FileAsyncReader_Release(IAsyncReader
* iface
)
890 FileAsyncReader
*This
= impl_from_IAsyncReader(iface
);
892 return IPin_Release((IPin
*)This
);
895 #define DEF_ALIGNMENT 1
897 static HRESULT WINAPI
FileAsyncReader_RequestAllocator(IAsyncReader
* iface
, IMemAllocator
* pPreferred
, ALLOCATOR_PROPERTIES
* pProps
, IMemAllocator
** ppActual
)
899 FileAsyncReader
*This
= impl_from_IAsyncReader(iface
);
903 TRACE("(%p, %p, %p)\n", pPreferred
, pProps
, ppActual
);
905 if (!pProps
->cbAlign
|| (pProps
->cbAlign
% DEF_ALIGNMENT
) != 0)
906 pProps
->cbAlign
= DEF_ALIGNMENT
;
910 hr
= IMemAllocator_SetProperties(pPreferred
, pProps
, pProps
);
911 /* FIXME: check we are still aligned */
914 IMemAllocator_AddRef(pPreferred
);
915 *ppActual
= pPreferred
;
916 TRACE("FileAsyncReader_RequestAllocator -- %x\n", hr
);
923 hr
= CoCreateInstance(&CLSID_MemoryAllocator
, NULL
, CLSCTX_INPROC
, &IID_IMemAllocator
, (LPVOID
*)&pPreferred
);
927 hr
= IMemAllocator_SetProperties(pPreferred
, pProps
, pProps
);
928 /* FIXME: check we are still aligned */
931 *ppActual
= pPreferred
;
932 TRACE("FileAsyncReader_RequestAllocator -- %x\n", hr
);
939 CoTaskMemFree(This
->sample_list
);
940 if (This
->handle_list
)
943 for (x
= 0; x
<= This
->samples
; ++x
)
944 CloseHandle(This
->handle_list
[x
]);
945 CoTaskMemFree(This
->handle_list
);
948 This
->samples
= pProps
->cBuffers
;
949 This
->oldest_sample
= 0;
950 TRACE("Samples: %u\n", This
->samples
);
951 This
->sample_list
= CoTaskMemAlloc(sizeof(This
->sample_list
[0]) * pProps
->cBuffers
);
952 This
->handle_list
= CoTaskMemAlloc(sizeof(HANDLE
) * pProps
->cBuffers
* 2);
954 if (This
->sample_list
&& This
->handle_list
)
957 ZeroMemory(This
->sample_list
, sizeof(This
->sample_list
[0]) * pProps
->cBuffers
);
958 for (x
= 0; x
< This
->samples
; ++x
)
960 This
->sample_list
[x
].ovl
.hEvent
= This
->handle_list
[x
] = CreateEventW(NULL
, 0, 0, NULL
);
961 if (x
+ 1 < This
->samples
)
962 This
->handle_list
[This
->samples
+ 1 + x
] = This
->handle_list
[x
];
964 This
->handle_list
[This
->samples
] = CreateEventW(NULL
, 1, 0, NULL
);
965 This
->allocProps
= *pProps
;
970 CoTaskMemFree(This
->sample_list
);
971 CoTaskMemFree(This
->handle_list
);
973 This
->sample_list
= NULL
;
974 This
->handle_list
= NULL
;
982 IMemAllocator_Release(pPreferred
);
985 TRACE("-- %x\n", hr
);
989 /* we could improve the Request/WaitForNext mechanism by allowing out of order samples.
990 * however, this would be quite complicated to do and may be a bit error prone */
991 static HRESULT WINAPI
FileAsyncReader_Request(IAsyncReader
* iface
, IMediaSample
* pSample
, DWORD_PTR dwUser
)
994 REFERENCE_TIME Start
;
996 FileAsyncReader
*This
= impl_from_IAsyncReader(iface
);
997 LPBYTE pBuffer
= NULL
;
999 TRACE("(%p, %lx)\n", pSample
, dwUser
);
1004 /* get start and stop positions in bytes */
1006 hr
= IMediaSample_GetTime(pSample
, &Start
, &Stop
);
1009 hr
= IMediaSample_GetPointer(pSample
, &pBuffer
);
1011 EnterCriticalSection(&This
->csList
);
1012 if (This
->bFlushing
)
1014 LeaveCriticalSection(&This
->csList
);
1015 return VFW_E_WRONG_STATE
;
1020 DWORD dwLength
= (DWORD
) BYTES_FROM_MEDIATIME(Stop
- Start
);
1021 DATAREQUEST
*pDataRq
;
1024 /* Try to insert above the waiting sample if possible */
1025 for (x
= This
->oldest_sample
; x
< This
->samples
; ++x
)
1027 if (!This
->sample_list
[x
].pSample
)
1031 if (x
>= This
->samples
)
1032 for (x
= 0; x
< This
->oldest_sample
; ++x
)
1034 if (!This
->sample_list
[x
].pSample
)
1038 /* There must be a sample we have found */
1039 assert(x
< This
->samples
);
1040 ++This
->queued_number
;
1042 pDataRq
= This
->sample_list
+ x
;
1044 pDataRq
->ovl
.u
.s
.Offset
= (DWORD
) BYTES_FROM_MEDIATIME(Start
);
1045 pDataRq
->ovl
.u
.s
.OffsetHigh
= (DWORD
)(BYTES_FROM_MEDIATIME(Start
) >> (sizeof(DWORD
) * 8));
1046 pDataRq
->dwUserData
= dwUser
;
1048 /* we violate traditional COM rules here by maintaining
1049 * a reference to the sample, but not calling AddRef, but
1050 * that's what MSDN says to do */
1051 pDataRq
->pSample
= pSample
;
1053 /* this is definitely not how it is implemented on Win9x
1054 * as they do not support async reads on files, but it is
1055 * sooo much easier to use this than messing around with threads!
1057 if (!ReadFile(This
->hFile
, pBuffer
, dwLength
, NULL
, &pDataRq
->ovl
))
1058 hr
= HRESULT_FROM_WIN32(GetLastError());
1060 /* ERROR_IO_PENDING is not actually an error since this is what we want! */
1061 if (hr
== HRESULT_FROM_WIN32(ERROR_IO_PENDING
))
1065 LeaveCriticalSection(&This
->csList
);
1067 TRACE("-- %x\n", hr
);
1071 static HRESULT WINAPI
FileAsyncReader_WaitForNext(IAsyncReader
* iface
, DWORD dwTimeout
, IMediaSample
** ppSample
, DWORD_PTR
* pdwUser
)
1074 FileAsyncReader
*This
= impl_from_IAsyncReader(iface
);
1077 TRACE("(%u, %p, %p)\n", dwTimeout
, ppSample
, pdwUser
);
1082 EnterCriticalSection(&This
->csList
);
1083 if (!This
->bFlushing
)
1085 LONG oldest
= This
->oldest_sample
;
1087 if (!This
->queued_number
)
1089 /* It could be that nothing is queued right now, but that can be fixed */
1090 WARN("Called without samples in queue and not flushing!!\n");
1092 LeaveCriticalSection(&This
->csList
);
1094 /* wait for an object to read, or time out */
1095 buffer
= WaitForMultipleObjectsEx(This
->samples
+1, This
->handle_list
+ oldest
, FALSE
, dwTimeout
, TRUE
);
1097 EnterCriticalSection(&This
->csList
);
1098 if (buffer
<= This
->samples
)
1100 /* Re-scale the buffer back to normal */
1103 /* Uh oh, we overshot the flusher handle, renormalize it back to 0..Samples-1 */
1104 if (buffer
> This
->samples
)
1105 buffer
-= This
->samples
+ 1;
1106 assert(buffer
<= This
->samples
);
1109 if (buffer
>= This
->samples
)
1111 if (buffer
!= This
->samples
)
1113 FIXME("Returned: %u (%08x)\n", buffer
, GetLastError());
1117 hr
= VFW_E_WRONG_STATE
;
1121 --This
->queued_number
;
1124 if (This
->bFlushing
&& buffer
== ~0)
1126 for (buffer
= 0; buffer
< This
->samples
; ++buffer
)
1128 if (This
->sample_list
[buffer
].pSample
)
1130 ResetEvent(This
->handle_list
[buffer
]);
1134 if (buffer
== This
->samples
)
1136 assert(!This
->queued_number
);
1141 --This
->queued_number
;
1148 REFERENCE_TIME rtStart
, rtStop
;
1149 REFERENCE_TIME rtSampleStart
, rtSampleStop
;
1150 DATAREQUEST
*pDataRq
= This
->sample_list
+ buffer
;
1153 /* get any errors */
1154 if (!This
->bFlushing
&& !GetOverlappedResult(This
->hFile
, &pDataRq
->ovl
, &dwBytes
, FALSE
))
1155 hr
= HRESULT_FROM_WIN32(GetLastError());
1157 /* Return the sample no matter what so it can be destroyed */
1158 *ppSample
= pDataRq
->pSample
;
1159 *pdwUser
= pDataRq
->dwUserData
;
1161 if (This
->bFlushing
)
1162 hr
= VFW_E_WRONG_STATE
;
1167 /* Set the time on the sample */
1168 IMediaSample_SetActualDataLength(pDataRq
->pSample
, dwBytes
);
1170 rtStart
= (DWORD64
)pDataRq
->ovl
.u
.s
.Offset
+ ((DWORD64
)pDataRq
->ovl
.u
.s
.OffsetHigh
<< 32);
1171 rtStart
= MEDIATIME_FROM_BYTES(rtStart
);
1172 rtStop
= rtStart
+ MEDIATIME_FROM_BYTES(dwBytes
);
1174 IMediaSample_GetTime(pDataRq
->pSample
, &rtSampleStart
, &rtSampleStop
);
1175 assert(rtStart
== rtSampleStart
);
1176 assert(rtStop
<= rtSampleStop
);
1178 IMediaSample_SetTime(pDataRq
->pSample
, &rtStart
, &rtStop
);
1179 assert(rtStart
== rtSampleStart
);
1181 assert(rtStop
== rtSampleStop
);
1183 assert(rtStop
== rtStart
);
1185 This
->sample_list
[buffer
].pSample
= NULL
;
1186 assert(This
->oldest_sample
< This
->samples
);
1188 if (buffer
== This
->oldest_sample
)
1191 for (x
= This
->oldest_sample
+ 1; x
< This
->samples
; ++x
)
1192 if (This
->sample_list
[x
].pSample
)
1194 if (x
>= This
->samples
)
1195 for (x
= 0; x
< This
->oldest_sample
; ++x
)
1196 if (This
->sample_list
[x
].pSample
)
1198 if (This
->oldest_sample
== x
)
1199 /* No samples found, reset to 0 */
1201 This
->oldest_sample
= x
;
1204 LeaveCriticalSection(&This
->csList
);
1206 TRACE("-- %x\n", hr
);
1210 static HRESULT WINAPI
FileAsyncReader_SyncRead(IAsyncReader
* iface
, LONGLONG llPosition
, LONG lLength
, BYTE
* pBuffer
);
1212 static HRESULT WINAPI
FileAsyncReader_SyncReadAligned(IAsyncReader
* iface
, IMediaSample
* pSample
)
1215 REFERENCE_TIME tStart
;
1216 REFERENCE_TIME tStop
;
1219 TRACE("(%p)\n", pSample
);
1221 hr
= IMediaSample_GetTime(pSample
, &tStart
, &tStop
);
1224 hr
= IMediaSample_GetPointer(pSample
, &pBuffer
);
1227 hr
= FileAsyncReader_SyncRead(iface
,
1228 BYTES_FROM_MEDIATIME(tStart
),
1229 (LONG
) BYTES_FROM_MEDIATIME(tStop
- tStart
),
1232 TRACE("-- %x\n", hr
);
1236 static HRESULT WINAPI
FileAsyncReader_SyncRead(IAsyncReader
* iface
, LONGLONG llPosition
, LONG lLength
, BYTE
* pBuffer
)
1240 FileAsyncReader
*This
= impl_from_IAsyncReader(iface
);
1242 TRACE("(%x%08x, %d, %p)\n", (ULONG
)(llPosition
>> 32), (ULONG
)llPosition
, lLength
, pBuffer
);
1244 ZeroMemory(&ovl
, sizeof(ovl
));
1246 ovl
.hEvent
= CreateEventW(NULL
, 0, 0, NULL
);
1247 /* NOTE: llPosition is the actual byte position to start reading from */
1248 ovl
.u
.s
.Offset
= (DWORD
) llPosition
;
1249 ovl
.u
.s
.OffsetHigh
= (DWORD
) (llPosition
>> (sizeof(DWORD
) * 8));
1251 if (!ReadFile(This
->hFile
, pBuffer
, lLength
, NULL
, &ovl
))
1252 hr
= HRESULT_FROM_WIN32(GetLastError());
1254 if (hr
== HRESULT_FROM_WIN32(ERROR_IO_PENDING
))
1261 if (!GetOverlappedResult(This
->hFile
, &ovl
, &dwBytesRead
, TRUE
))
1262 hr
= HRESULT_FROM_WIN32(GetLastError());
1265 CloseHandle(ovl
.hEvent
);
1267 TRACE("-- %x\n", hr
);
1271 static HRESULT WINAPI
FileAsyncReader_Length(IAsyncReader
* iface
, LONGLONG
* pTotal
, LONGLONG
* pAvailable
)
1275 FileAsyncReader
*This
= impl_from_IAsyncReader(iface
);
1277 TRACE("(%p, %p)\n", pTotal
, pAvailable
);
1279 if (((dwSizeLow
= GetFileSize(This
->hFile
, &dwSizeHigh
)) == -1) &&
1280 (GetLastError() != NO_ERROR
))
1281 return HRESULT_FROM_WIN32(GetLastError());
1283 *pTotal
= (LONGLONG
)dwSizeLow
| (LONGLONG
)dwSizeHigh
<< (sizeof(DWORD
) * 8);
1285 *pAvailable
= *pTotal
;
1290 static HRESULT WINAPI
FileAsyncReader_BeginFlush(IAsyncReader
* iface
)
1292 FileAsyncReader
*This
= impl_from_IAsyncReader(iface
);
1296 EnterCriticalSection(&This
->csList
);
1297 This
->bFlushing
= TRUE
;
1298 CancelIo(This
->hFile
);
1299 SetEvent(This
->handle_list
[This
->samples
]);
1300 LeaveCriticalSection(&This
->csList
);
1305 static HRESULT WINAPI
FileAsyncReader_EndFlush(IAsyncReader
* iface
)
1307 FileAsyncReader
*This
= impl_from_IAsyncReader(iface
);
1312 EnterCriticalSection(&This
->csList
);
1313 ResetEvent(This
->handle_list
[This
->samples
]);
1314 This
->bFlushing
= FALSE
;
1315 for (x
= 0; x
< This
->samples
; ++x
)
1316 assert(!This
->sample_list
[x
].pSample
);
1318 LeaveCriticalSection(&This
->csList
);
1323 static const IAsyncReaderVtbl FileAsyncReader_Vtbl
=
1325 FileAsyncReader_QueryInterface
,
1326 FileAsyncReader_AddRef
,
1327 FileAsyncReader_Release
,
1328 FileAsyncReader_RequestAllocator
,
1329 FileAsyncReader_Request
,
1330 FileAsyncReader_WaitForNext
,
1331 FileAsyncReader_SyncReadAligned
,
1332 FileAsyncReader_SyncRead
,
1333 FileAsyncReader_Length
,
1334 FileAsyncReader_BeginFlush
,
1335 FileAsyncReader_EndFlush
,