OggFLAC_1_0_Stream.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 "oggdllstuff.h"
00033 
00034 #include <libOOOgg/OggPage.h>
00035 #include <libOOOgg/OggPacket.h>
00036 class OggStream;
00037 class OggFLAC_1_0_Stream
00038         :       public OggStream
00039 {
00040 public:
00041         OggFLAC_1_0_Stream(OggPage* inOggPage, OggDemuxSourceFilter* inOwningFilter, bool inAllowSeek);
00042         virtual ~OggFLAC_1_0_Stream(void);
00043 
00044         //Implementing virtuals in OGgStream
00045         virtual bool InitCodec(StampedOggPacket* inOggPacket);
00046 
00047         virtual BYTE* getFormatBlock() ;
00048         virtual unsigned long getFormatBlockSize();
00049         virtual GUID getFormatGUID();
00050         virtual GUID getSubtypeGUID();
00051         virtual wstring getPinName();
00052         virtual bool createFormatBlock();
00053         virtual GUID getMajorTypeGUID();
00054         virtual LONGLONG getCurrentPos();
00055 
00056         virtual unsigned long getNumBuffers();
00057         virtual unsigned long getBufferSize();
00058 
00059         //Override from oggstream to handle dynamic number of headers.
00060         virtual bool OggFLAC_1_0_Stream::processHeaderPacket(StampedOggPacket* inPacket);
00061         virtual bool deliverCodecHeaders();
00062 
00063 //      virtual unsigned long numCodecHeaders();
00064 
00065         virtual void setLastEndGranPos(__int64 inPos);
00066 
00067 protected:
00068 
00069         static const unsigned long OGG_FLAC_1_0_BUFFER_SIZE = 65536; //Maybe not high enough for some cases... could also be dynamic from headers
00070         static const unsigned long OGG_FLAC_1_0_NUM_BUFFERS = 75;
00071         //unsigned long mNumHeaderPackets;
00072         sFLACFormatBlock* mFLACFormatBlock;
00073         bool mIsFixedNumHeaders;
00074 };

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