VorbisStream.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 
00033 #include "oggdllstuff.h"
00034 #include "ds_guids.h"
00035 #include <libOOOgg/OggPacket.h>
00036 #include <libOOOgg/OggPage.h>
00037 #include "OggStream.h"
00038 class OggStream;
00039 class OggDemuxSourceFilter;
00040 
00041 class VorbisStream
00042         :       public OggStream
00043 {
00044 public:
00045         VorbisStream(OggPage* inOggPage, OggDemuxSourceFilter* inOwningFilter, bool inAllowSeek);
00046         virtual ~VorbisStream(void);
00047 
00048         virtual bool InitCodec(StampedOggPacket* inOggPacket);
00049         void setLastEndGranPos(__int64 inPos);
00050 
00051         virtual BYTE* getFormatBlock() ;
00052         virtual unsigned long getFormatBlockSize();
00053         virtual GUID getFormatGUID();
00054         virtual GUID getSubtypeGUID();
00055         virtual wstring getPinName();
00056         virtual bool createFormatBlock();
00057         virtual GUID getMajorTypeGUID();
00058         virtual LONGLONG getCurrentPos();
00059 
00060         virtual unsigned long getNumBuffers();
00061         virtual unsigned long getBufferSize();
00062 
00063 
00064 protected:
00065         static const unsigned long VORBIS_NUM_BUFFERS = 75;
00066         static const unsigned long VORBIS_BUFFER_SIZE = 65536;          //Should be plenty... wouldn't hurt to find out !!
00067 
00068         sVorbisFormatBlock* mVorbisFormatBlock;
00069 };

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