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82 lines
2.2 KiB
82 lines
2.2 KiB
15 years ago
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/*
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Copyright (C) 2000 Stefan Westerfeld
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stefan@space.twc.de
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#ifndef CACHEDWAV_H
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#define CACHEDWAV_H
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#include "config.h"
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#include "arts_export.h"
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#ifdef HAVE_LIBAUDIOFILE
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#include "cache.h"
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#include <sys/stat.h>
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#include <unistd.h>
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/*
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* BC - Status (2002-03-08): CachedWav.
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*
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* At the current point in time, there are NO GUARANTEES, so only use this
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* in apps part of official KDE releases (such as kdemultimedia apps), which
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* know what is happening here. Especially, in SOME kde versions this class
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* might not even exist, as it gets conditionally compiled.
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*/
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namespace Arts {
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class ARTS_EXPORT CachedWav : public CachedObject
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{
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protected:
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struct stat oldstat;
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std::string filename;
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bool initOk;
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CachedWav(Cache *cache, std::string filename);
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~CachedWav();
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typedef unsigned char uchar;
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public:
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double samplingRate;
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long bufferSize;
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int channelCount;
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int sampleWidth;
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unsigned char *buffer;
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static CachedWav *load(Cache *cache, std::string filename);
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/**
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* validity test for the cache - returns false if the object is having
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* reflecting the correct contents anymore (e.g. if the file on the
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* disk has changed), and there is no point in keeping it in the cache any
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* longer
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*/
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bool isValid();
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/**
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* memory usage for the cache
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*/
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int memoryUsage();
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std::string mediaName() const { return filename; }
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};
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}
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#endif /* HAVE_LIBAUDIOFILE */
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#endif /* CACHEDWAV_H */
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