Glenn Maynard
74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
/* pos_map_queue - A container that maps one set of frame numbers to another. */
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#ifndef RAGE_SOUND_POS_MAP_H
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#define RAGE_SOUND_POS_MAP_H
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#include <deque>
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struct pos_map_t
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{
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/* Frame number from the POV of the sound driver: */
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int64_t frameno;
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/* Actual sound position within the sample: */
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int64_t position;
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/* The number of frames in this block: */
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int64_t frames;
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pos_map_t() { frameno=0; position=0; frames=0; }
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pos_map_t( int64_t frame, int pos, int cnt ) { frameno=frame; position=pos; frames=cnt; }
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};
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/* This class maps one range of frames to another. */
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class pos_map_queue
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{
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public:
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pos_map_queue();
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pos_map_queue( const pos_map_queue &cpy );
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/* Insert a mapping from frameno to position, containing pos got_frames. */
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void Insert( int64_t frameno, int position, int got_frames );
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/* Return the position for the given frameno. */
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int64_t Search( int64_t frameno, bool *approximate ) const;
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/* Erase all mappings. */
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void Clear();
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bool IsEmpty() const;
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private:
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deque<pos_map_t> m_Queue;
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void Cleanup();
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};
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#endif
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/*
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* Copyright (c) 2002-2004 Glenn Maynard
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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