TheoraDecoder.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 
00032 #pragma once
00033 #include "libootheora.h"
00034 #include <libOOOgg/dllstuff.h>
00035 #include <libOOOgg/StampedOggPacket.h>
00036 extern "C" {
00037 #include "theora_cdecl.h"
00038 }
00039 class LIBOOTHEORA_API TheoraDecoder
00040 {
00041 public:
00042         TheoraDecoder(void);
00043         ~TheoraDecoder(void);
00044 
00046         bool initCodec();
00047 
00048         //bool resetPackCount();
00049         //bool clearAll();
00050 
00052         yuv_buffer* decodeTheora(StampedOggPacket* inPacket);
00053 
00055         bool isKeyFrame(StampedOggPacket* inPacket);
00056 
00057         theora_info mTheoraInfo;
00058 protected:
00059 
00061         ogg_packet* simulateOldOggPacket(StampedOggPacket* inPacket);
00062 
00064         bool decodeHeader(StampedOggPacket* inHeaderPacket);
00065 
00066         //theora_info mTheoraInfo;
00067         theora_comment mTheoraComment;
00068         theora_state mTheoraState;
00069         yuv_buffer mYUVBuffer;
00070 
00071         StampedOggPacket* mPartialPacket; //TEMP !!
00072         unsigned long mHeadersSeen;
00073         bool mFirstPacket;
00074         bool mFirstHeader;
00075         unsigned long mPacketCount;
00076         
00077 };

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