oggdsf/src/lib/core/directshow/dsfOggDemux/OggDemuxSourceFilter.h

   1 //===========================================================================
   2 //Copyright (C) 2003, 2004 Zentaro Kavanagh
   3 //
   4 //Redistribution and use in source and binary forms, with or without
   5 //modification, are permitted provided that the following conditions
   6 //are met:
   7 //
   8 //- Redistributions of source code must retain the above copyright
   9 //  notice, this list of conditions and the following disclaimer.
  10 //
  11 //- Redistributions in binary form must reproduce the above copyright
  12 //  notice, this list of conditions and the following disclaimer in the
  13 //  documentation and/or other materials provided with the distribution.
  14 //
  15 //- Neither the name of Zentaro Kavanagh nor the names of contributors
  16 //  may be used to endorse or promote products derived from this software
  17 //  without specific prior written permission.
  18 //
  19 //THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20 //``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21 //LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  22 //PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE ORGANISATION OR
  23 //CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  24 //EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  25 //PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  26 //PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  27 //LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  28 //NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  29 //SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30 //===========================================================================
  31 #pragma once
  32
  33 #include <Dshow.h>
  34 #include <Initguid.h>
  35 #include <Qnetwork.h>
  36 #include "oggdllstuff.h"
  37 #include "OggDemuxSourcePin.h"
  38 #include "OggStreamMapper.h"
  39 #include <libOOOggSeek/AutoOggSeekTable.h>
  40 #include <libOOOgg/OggDataBuffer.h>
  41 #include "IFilterDataSource.h"
  42 #include "DataSourceFactory.h"
  43 #include "PropsAbout.h"
  44 #include <fstream>
  45 using namespace std;
  46
  47
  48 class OggStreamMapper;
  49
  50 class OGG_DEMUX_API OggDemuxSourceFilter
  51         :       public CBaseFilter,
  52                 public CAMThread,
  53                 public IFileSourceFilter,
  54                 public IOggCallback
  55         ,       public BasicSeekPassThrough
  56         ,       public ISpecifyPropertyPages
  57         ,       public IAMFilterMiscFlags
  58         ,       public IAMMediaContent
  59
  60 {
  61 public:
  62         friend class OggStream;
  63         static const unsigned long RAW_BUFFER_SIZE = 24;
  64         //Com Stuff
  65         DECLARE_IUNKNOWN
  66         STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void **ppv);
  67         static CUnknown * WINAPI CreateInstance(LPUNKNOWN pUnk, HRESULT *pHr);
  68
  69         enum eThreadCommands {
  70                 THREAD_EXIT = 0,
  71                 THREAD_PAUSE = 1,
  72                 THREAD_RUN = 2
  73         };
  74         //Constructors
  75         OggDemuxSourceFilter();
  76         OggDemuxSourceFilter(REFCLSID inFilterGUID);
  77         virtual ~OggDemuxSourceFilter(void);
  78
  79         //IAMFilterMiscFlags Interface
  80         ULONG STDMETHODCALLTYPE GetMiscFlags(void);
  81         //
  82
  83         //IFileSource Interface
  84         virtual STDMETHODIMP GetCurFile(LPOLESTR* outFileName, AM_MEDIA_TYPE* outMediaType);
  85         virtual STDMETHODIMP Load(LPCOLESTR inFileName, const AM_MEDIA_TYPE* inMediaType);
  86
  87         //PURE VIRTUALS From CBaseFilter
  88         virtual int GetPinCount();
  89         virtual CBasePin* GetPin(int inPinNo);
  90
  91         //IOggCallback Interface
  92         virtual bool acceptOggPage(OggPage* inOggPage);
  93
  94         //ISpecifyPropertyPages
  95         virtual STDMETHODIMP GetPages(CAUUID* outPropPages);
  96
  97         //Streaming MEthods
  98         STDMETHODIMP Run(REFERENCE_TIME tStart);
  99         STDMETHODIMP Pause(void);
 100         STDMETHODIMP Stop(void);
 101
 102         //IMediaSeeking
 103         virtual STDMETHODIMP GetDuration(LONGLONG* outDuration);
 104         virtual STDMETHODIMP GetCapabilities(DWORD* inCapabilities);
 105
 106         virtual STDMETHODIMP CheckCapabilities(DWORD *pCapabilities);
 107         virtual STDMETHODIMP IsFormatSupported(const GUID *pFormat);
 108         virtual STDMETHODIMP QueryPreferredFormat(GUID *pFormat);
 109         virtual STDMETHODIMP SetTimeFormat(const GUID *pFormat);
 110         virtual STDMETHODIMP GetTimeFormat( GUID *pFormat);
 111
 112         virtual STDMETHODIMP GetStopPosition(LONGLONG *pStop);
 113         virtual STDMETHODIMP GetCurrentPosition(LONGLONG *pCurrent);
 114         virtual STDMETHODIMP ConvertTimeFormat(LONGLONG *pTarget, const GUID *pTargetFormat, LONGLONG Source, const GUID *pSourceFormat);
 115         virtual STDMETHODIMP SetPositions(LONGLONG *pCurrent,DWORD dwCurrentFlags,LONGLONG *pStop,DWORD dwStopFlags);
 116         virtual STDMETHODIMP GetPositions(LONGLONG *pCurrent, LONGLONG *pStop);
 117         virtual STDMETHODIMP GetAvailable(LONGLONG *pEarliest, LONGLONG *pLatest);
 118         virtual STDMETHODIMP SetRate(double dRate);
 119         virtual STDMETHODIMP GetRate(double *dRate);
 120         virtual STDMETHODIMP GetPreroll(LONGLONG *pllPreroll);
 121         virtual STDMETHODIMP IsUsingTimeFormat(const GUID *pFormat);
 122
 123         //IAMMediaContent Interface
 124         virtual STDMETHODIMP get_AuthorName(BSTR* outAuthorName);
 125         virtual STDMETHODIMP get_Title(BSTR* outTitle);
 126         virtual STDMETHODIMP get_Rating(BSTR* outRating);
 127         virtual STDMETHODIMP get_Description(BSTR* outDescription);
 128         virtual STDMETHODIMP get_Copyright(BSTR* outCopyright);
 129         virtual STDMETHODIMP get_BaseURL(BSTR* outBaseURL);
 130         virtual STDMETHODIMP get_LogoURL(BSTR* outLogoURL);
 131         virtual STDMETHODIMP get_LogoIconURL(BSTR* outLogoIconURL);
 132         virtual STDMETHODIMP get_WatermarkURL(BSTR* outWatermarkURL);
 133         virtual STDMETHODIMP get_MoreInfoURL(BSTR* outMoreInfoURL);
 134         virtual STDMETHODIMP get_MoreInfoBannerImage(BSTR* outMoreInfoBannerImage);
 135         virtual STDMETHODIMP get_MoreInfoBannerURL(BSTR* outMoreInfoBannerURL);
 136         virtual STDMETHODIMP get_MoreInfoText(BSTR* outMoreInfoText);
 137
 138
 139         //IDispatch Interface (Base interface of IAMMediaContent) - evil evil thing.
 140         // Trying not to implement it ! I'm sure it was all very funny when they came up with it.
 141         virtual STDMETHODIMP GetTypeInfoCount(  unsigned int FAR*  pctinfo );
 142         virtual STDMETHODIMP GetIDsOfNames(             REFIID  riid,
 143                                                                                         OLECHAR FAR* FAR* rgszNames,
 144                                                                                         unsigned int cNames,
 145                                                                                         LCID lcid,
 146                                                                                         DISPID FAR* rgDispId );
 147         virtual STDMETHODIMP GetTypeInfo(               unsigned int iTInfo,
 148                                                                                         LCID lcid,
 149                                                                                         ITypeInfo FAR* FAR*  ppTInfo );
 150         virtual STDMETHODIMP Invoke(                    DISPID  dispIdMember,
 151                                                                                         REFIID  riid,
 152                                                                                         LCID  lcid,
 153                                                                                         WORD  wFlags,
 154                                                                                         DISPPARAMS FAR*  pDispParams,
 155                                                                                         VARIANT FAR*  pVarResult,
 156                                                                                         EXCEPINFO FAR*  pExcepInfo,
 157                                                                                         unsigned int FAR*  puArgErr );
 158
 159
 160          CCritSec* theLock();
 161         //CAMThread
 162         virtual DWORD ThreadProc(void);
 163
 164
 165         CCritSec* mStreamLock;
 166
 167         REFERENCE_TIME mSeekTimeBase;  //Don't ask !
 168
 169 protected:
 170         //Internal helper methods
 171         void resetStream();
 172         void DeliverEOS();
 173         void DeliverBeginFlush();
 174         void DeliverEndFlush();
 175         void DeliverNewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
 176
 177         virtual HRESULT DataProcessLoop();
 178         virtual HRESULT SetUpPins();
 179         //virtual bool AddPin(OggDemuxSourcePin* inPin, unsigned long inSerialNo);
 180
 181
 182         CCritSec* mSourceFileLock;
 183         CCritSec* mDemuxLock;
 184         AutoOggSeekTable* mSeekTable;
 185         wstring mFileName;
 186
 187         OggDataBuffer mOggBuffer;
 188
 189         bool mJustReset;  //This is pretty dodgy !
 190
 191         bool mSetIgnorePackets;
 192
 193         //SOURCE ABSTRACTION::: declaration
 194         //fstream mSourceFile;
 195         //
 196         IFilterDataSource* mDataSource;
 197
 198         OggStreamMapper* mStreamMapper;
 199
 200         //DEBUG
 201         fstream debugLog;
 202
 203
 204 };