dll/directx/quartz/parser.h

   1 /*
   2  * Parser declarations
   3  *
   4  * Copyright 2005 Christian Costa
   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 typedef struct ParserImpl ParserImpl;
  22
  23 typedef HRESULT (*PFN_PROCESS_SAMPLE) (LPVOID iface, IMediaSample * pSample, DWORD_PTR cookie);
  24 typedef HRESULT (*PFN_QUERY_ACCEPT) (LPVOID iface, const AM_MEDIA_TYPE * pmt);
  25 typedef HRESULT (*PFN_PRE_CONNECT) (IPin * iface, IPin * pConnectPin, ALLOCATOR_PROPERTIES *prop);
  26 typedef HRESULT (*PFN_CLEANUP) (LPVOID iface);
  27 typedef HRESULT (*PFN_DISCONNECT) (LPVOID iface);
  28
  29 struct ParserImpl
  30 {
  31     BaseFilter filter;
  32
  33     PFN_CLEANUP fnCleanup;
  34     PFN_DISCONNECT fnDisconnect;
  35
  36     PullPin * pInputPin;
  37     IPin ** ppPins;
  38     ULONG cStreams;
  39     SourceSeeking sourceSeeking;
  40 };
  41
  42 typedef struct Parser_OutputPin
  43 {
  44     BaseOutputPin pin;
  45
  46     AM_MEDIA_TYPE * pmt;
  47     LONGLONG dwSamplesProcessed;
  48     ALLOCATOR_PROPERTIES allocProps;
  49
  50     IMemAllocator *alloc;
  51     BOOL readonly;
  52 } Parser_OutputPin;
  53
  54 extern HRESULT Parser_AddPin(ParserImpl * This, const PIN_INFO * piOutput, ALLOCATOR_PROPERTIES * props, const AM_MEDIA_TYPE * amt);
  55
  56 extern HRESULT Parser_Create(ParserImpl*, const IBaseFilterVtbl *, const CLSID*, PFN_PROCESS_SAMPLE, PFN_QUERY_ACCEPT, PFN_PRE_CONNECT,
  57                              PFN_CLEANUP, PFN_DISCONNECT, REQUESTPROC, STOPPROCESSPROC, SourceSeeking_ChangeStop stop, SourceSeeking_ChangeStart start, SourceSeeking_ChangeRate rate);
  58
  59 /* Override the _Release function and call this when releasing */
  60 extern void Parser_Destroy(ParserImpl *This);
  61
  62 extern HRESULT WINAPI Parser_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv);
  63 extern ULONG WINAPI Parser_AddRef(IBaseFilter * iface);
  64 extern ULONG WINAPI Parser_Release(IBaseFilter * iface);
  65 extern HRESULT WINAPI Parser_GetClassID(IBaseFilter * iface, CLSID * pClsid);
  66 extern HRESULT WINAPI Parser_Stop(IBaseFilter * iface);
  67 extern HRESULT WINAPI Parser_Pause(IBaseFilter * iface);
  68 extern HRESULT WINAPI Parser_Run(IBaseFilter * iface, REFERENCE_TIME tStart);
  69 extern HRESULT WINAPI Parser_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState);
  70 extern HRESULT WINAPI Parser_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock);
  71 extern HRESULT WINAPI Parser_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock);
  72 extern HRESULT WINAPI Parser_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum);
  73 extern HRESULT WINAPI Parser_FindPin(IBaseFilter * iface, LPCWSTR Id, IPin **ppPin);
  74 extern HRESULT WINAPI Parser_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo);
  75 extern HRESULT WINAPI Parser_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName);
  76 extern HRESULT WINAPI Parser_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo);
  77
  78 /* COM helpers */
  79 static inline Parser_OutputPin *unsafe_impl_Parser_OutputPin_from_IPin( IPin *iface )
  80 {
  81     return CONTAINING_RECORD(iface, Parser_OutputPin, pin.pin.IPin_iface);
  82 }