dlls/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 typedef struct ParserImpl ParserImpl;
  22
  23 typedef HRESULT (*PFN_PROCESS_SAMPLE) (LPVOID iface, IMediaSample * pSample);
  24 typedef HRESULT (*PFN_QUERY_ACCEPT) (LPVOID iface, const AM_MEDIA_TYPE * pmt);
  25 typedef HRESULT (*PFN_PRE_CONNECT) (IPin * iface, IPin * pConnectPin);
  26
  27 struct ParserImpl
  28 {
  29     const IBaseFilterVtbl * lpVtbl;
  30
  31     ULONG refCount;
  32     CRITICAL_SECTION csFilter;
  33     FILTER_STATE state;
  34     REFERENCE_TIME rtStreamStart;
  35     IReferenceClock * pClock;
  36     FILTER_INFO filterInfo;
  37     CLSID clsid;
  38
  39     PullPin * pInputPin;
  40     IPin ** ppPins;
  41     ULONG cStreams;
  42 };
  43
  44 typedef struct Parser_OutputPin
  45 {
  46     OutputPin pin;
  47
  48     AM_MEDIA_TYPE * pmt;
  49     float fSamplesPerSec;
  50     DWORD dwSamplesProcessed;
  51     DWORD dwSampleSize;
  52     DWORD dwLength;
  53     MediaSeekingImpl mediaSeeking;
  54 } Parser_OutputPin;
  55
  56 HRESULT Parser_AddPin(ParserImpl * This, PIN_INFO * piOutput, ALLOCATOR_PROPERTIES * props, AM_MEDIA_TYPE * amt, float fSamplesPerSec, DWORD dwSampleSize, DWORD dwLength);
  57 HRESULT Parser_Create(ParserImpl*, const CLSID*, PFN_PROCESS_SAMPLE, PFN_QUERY_ACCEPT, PFN_PRE_CONNECT);