Glenn Maynard
57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
#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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/* This reader simply precaches all of the data from another reader. This
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* reduces CPU usage for sounds that are played several times at once. */
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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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};
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class SoundReader_Preload: public SoundReader {
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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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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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SoundReader *Copy() const;
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~SoundReader_Preload() { }
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};
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#endif
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/*
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-----------------------------------------------------------------------------
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Copyright (c) 2003 by the person(s) listed below. All rights reserved.
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Glenn Maynard
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-----------------------------------------------------------------------------
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*/
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