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00031 #pragma once
00032
00033 #include "oggdllstuff.h"
00034 #include "StreamHeaders.h"
00035 #include <libOOOgg/IOggCallback.h>
00036 #include <libOOOgg/IStampedOggPacketSink.h>
00037 #include <libOOOgg/OggPacketiser.h>
00038
00039 #include <libOOOgg/OggPage.h>
00040 #include <fstream>
00041 using namespace std;
00042
00043
00044 class OggDemuxSourceFilter;
00045 class OggDemuxSourcePin;
00046 class StreamHeaders;
00047
00048 class OGG_DEMUX_API OggStream
00049 : public IOggCallback
00050 , protected IStampedOggPacketSink
00051
00052 {
00053 public:
00054 OggStream(OggPage* inBOSPage, OggDemuxSourceFilter* inOwningFilter, bool inAllowSeek);
00055 virtual ~OggStream(void);
00056
00057
00058 virtual void setLastEndGranPos(__int64 inGranPos);
00059 unsigned long serialNo();
00060 void setSerialNo(unsigned long inSerialNo);
00061
00062
00063 virtual bool InitCodec(StampedOggPacket* inOggPacket) = 0;
00064 virtual BYTE* getFormatBlock() = 0;
00065 virtual unsigned long getFormatBlockSize() = 0;
00066
00067 virtual GUID getMajorTypeGUID() = 0;
00068 virtual GUID getFormatGUID() = 0;
00069 virtual GUID getSubtypeGUID() = 0;
00070 virtual wstring getPinName() = 0;
00071 virtual bool createFormatBlock() = 0;
00072
00073 virtual LONGLONG getCurrentPos() = 0;
00074
00075 virtual unsigned long getNumBuffers() = 0;
00076 virtual unsigned long getBufferSize() = 0;
00077
00078 virtual unsigned long numCodecHeaders();
00079 void setSendExcess(bool inSendExcess);
00080
00081 virtual CMediaType* createMediaType(GUID inMajorType, GUID inSubType, GUID inFormatType, unsigned long inFormatSize, BYTE* inFormatBlock);
00082
00083 virtual bool dispatchPacket(StampedOggPacket* inPacket);
00084 virtual bool deliverCodecHeaders();
00085
00086
00087 virtual bool acceptOggPage(OggPage* inOggPage);
00088
00089 virtual OggDemuxSourcePin* getPin();
00090 virtual bool OggStream::AddPin();
00091
00092 void setAllowDispatch(bool inAllowDispatch);
00093 bool streamReady();
00094
00095
00096 void flush();
00097 void flush(unsigned short inNumPacketsToIgnore);
00098 protected:
00099 virtual bool acceptStampedOggPacket(StampedOggPacket* inPacket);
00100
00101
00102 virtual bool processHeaderPacket(StampedOggPacket* inPacket);
00103 virtual bool processDataPacket(StampedOggPacket* inPacket);
00104
00105
00106 OggPacketiser mPacketiser;
00107
00108 StreamHeaders* mCodecHeaders;
00109 vector<StampedOggPacket*> mExcessPackets;
00110 unsigned long mSerialNo;
00111 signed long mNumHeadersNeeded;
00112 bool mStreamReady;
00113 bool mFirstRun;
00114 bool mSendExcess;
00115 bool mAllowSeek;
00116 bool mAllowDispatch;
00117
00118 __int64 mLastEndGranulePos;
00119 __int64 mLastStartGranulePos;
00120
00121 OggDemuxSourcePin* mSourcePin;
00122 OggDemuxSourceFilter* mOwningFilter;
00123 CCritSec* mStreamLock;
00124
00125
00126 };