OggPacketiser.h

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00001 //===========================================================================
00002 //Copyright (C) 2003, 2004 Zentaro Kavanagh
00003 //
00004 //Redistribution and use in source and binary forms, with or without
00005 //modification, are permitted provided that the following conditions
00006 //are met:
00007 //
00008 //- Redistributions of source code must retain the above copyright
00009 //  notice, this list of conditions and the following disclaimer.
00010 //
00011 //- Redistributions in binary form must reproduce the above copyright
00012 //  notice, this list of conditions and the following disclaimer in the
00013 //  documentation and/or other materials provided with the distribution.
00014 //
00015 //- Neither the name of Zentaro Kavanagh nor the names of contributors 
00016 //  may be used to endorse or promote products derived from this software 
00017 //  without specific prior written permission.
00018 //
00019 //THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00020 //``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00021 //LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
00022 //PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE ORGANISATION OR
00023 //CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00024 //EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00025 //PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00026 //PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00027 //LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00028 //NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00029 //SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00030 //===========================================================================
00031 #pragma once
00032 #include <libOOOgg/IOggCallback.h>
00033 #include <libOOOgg/IStampedOggPacketSink.h>
00034 #include <libOOOgg/OggPage.h>
00035 
00036 //Debug only
00037 #include <fstream>
00038 using namespace std;
00039 //
00040 
00041 //TODO::: Loose mode controls
00042 class LIBOOOGG_API OggPacketiser
00043         :       public IOggCallback
00044 {
00045 public:
00046         //Constants
00047         enum ePacketiserState {
00048                 PKRSTATE_OK,
00049                 PKRSTATE_AWAITING_CONTINUATION,
00050                 PKRSTATE_INVALID_STREAM
00051         };
00052 
00053         //Constructors
00054         OggPacketiser(void);
00055         OggPacketiser(IStampedOggPacketSink* inPacketSink);
00056         virtual ~OggPacketiser(void);
00057 
00059         virtual bool acceptOggPage(OggPage* inOggPage);
00060 
00062         void setPacketSink(IStampedOggPacketSink* inPacketSink);
00063 
00065         IStampedOggPacketSink* packetSink();
00066 
00068         void setNumIgnorePackets(unsigned long inNumIgnorePackets);
00069 
00071         unsigned long numIgnorePackets();
00072 
00074         bool reset();
00075 
00076 protected:
00077     IStampedOggPacketSink* mPacketSink;
00078         StampedOggPacket* mPendingPacket;
00079 
00080         virtual bool dispatchStampedOggPacket(StampedOggPacket* inPacket);
00081 
00082         bool mLooseMode;
00083         unsigned long mNumIgnorePackets;
00084         LOOG_INT64 mPrevGranPos;
00085         LOOG_INT64 mCurrentGranPos;
00086         bool processPage(OggPage* inOggPage, bool inIncludeFirst, bool inIncludeLast);
00087         ePacketiserState mPacketiserState;
00088 
00089         //fstream debugLog;
00090 private:
00091         OggPacketiser& operator=(const OggPacketiser& other);  /* Don't assign me */
00092         OggPacketiser(const OggPacketiser& other); /* Don't copy me */
00093 };

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