OggSeekTable.cpp

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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 #include "stdafx.h"
00033 #include <libOOOggSeek/OggSeekTable.h>
00034 
00035 OggSeekTable::OggSeekTable(void)
00036         :       mEnabled(true)
00037         ,       mRealStartPos(0)
00038 {
00039         mSeekMap.clear();
00040         mSeekMap.empty();
00041         //stDebug.open("G:\\logs\\sktable.log", ios_base::out);
00042 }
00043 
00044 OggSeekTable::~OggSeekTable(void)
00045 {
00046         //stDebug.close();
00047 }
00048 
00049 bool OggSeekTable::enabled() {
00050         return mEnabled;
00051 }
00052 bool OggSeekTable::addSeekPoint(LOOG_INT64 inTime, unsigned long mStartPos)
00053 {
00054         //stDebug<< "Add Point :  Time = "<<inTime<<"   --   Byte Pos : "<<mStartPos<<endl;
00055         mSeekMap.insert(tSeekMap::value_type(inTime, mStartPos));
00056 
00057         return true;
00058 
00059 }
00060 
00061 
00067 OggSeekTable::tSeekPair OggSeekTable::getStartPos(LOOG_INT64 inTime)
00068 {
00069         // Finds the upper bound of the requested time in mSeekMap, which will always be in the range
00070         // (0, maxItems], and return the element _before_ the upper bound
00071     return *(--(mSeekMap.upper_bound(inTime)));
00072          //mRealStartPos = locValue.first;
00073          //stDebug<<"Get Point : Time Req = "<<inTime<<"   --   Time Given = "<<mRealStartPos<<"   --   Byte Pos : "<<locValue.second<<endl;
00074          //return locValue.second;
00075 }
00076 
00080 OggSeekTable::tSeekMap OggSeekTable::getSeekMap()
00081 {
00082         tSeekMap locSeekMap = mSeekMap;
00083 
00084         return locSeekMap;
00085 }

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