Glenn Maynard
87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
/* RageSoundReader_Preload - Preload sounds from another reader into memory. */
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#ifndef RAGE_SOUND_READER_PRELOAD
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#define RAGE_SOUND_READER_PRELOAD
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#include "RageSoundReader.h"
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/* Trivial wrapper to refcount strings, since std::string is not always
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* refcounted. Without this, Copy() is very slow. */
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class rc_string
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{
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mutable string *buf;
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mutable int *cnt;
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public:
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rc_string();
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rc_string(const rc_string &rhs);
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~rc_string();
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string &get_owned();
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const string &get() const;
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int GetReferenceCount() const { return *cnt; }
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};
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class RageSoundReader_Preload: public SoundReader
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{
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rc_string buf;
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/* Bytes: */
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int position;
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int total_samples() const;
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int samplerate;
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unsigned channels;
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float OffsetFix;
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public:
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/* Return true if the sound has been preloaded, in which case source will
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* be deleted. Otherwise, return false. */
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bool Open(SoundReader *source);
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int GetLength() const;
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int GetLength_Fast() const;
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int SetPosition_Accurate(int ms);
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int SetPosition_Fast(int ms);
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int Read(char *buf, unsigned len);
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int GetSampleRate() const { return samplerate; }
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unsigned GetNumChannels() const { return channels; }
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bool IsStreamingFromDisk() const { return false; }
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/* Return the total number of copies of this sound. (If 1 is returned,
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* this is the last copy.) */
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int GetReferenceCount() const;
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SoundReader *Copy() const;
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~RageSoundReader_Preload() { }
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/* Attempt to preload a sound. pSound must be rewound. */
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static bool PreloadSound( SoundReader *&pSound );
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};
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#endif
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/*
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* Copyright (c) 2003 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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