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/* Copyright (C) 2000 Stefan Westerfeld stefan@space.twc.de This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef CACHEDWAV_H #define CACHEDWAV_H #include "config.h" #ifdef HAVE_LIBAUDIOFILE #include "cache.h" #include <sys/stat.h> #include <unistd.h> /* * BC - Status (2000-09-30): CachedWav. * * At the current point in time, there are NO GUARANTEES, so only use this * in apps part of official KDE releases (such as kdemultimedia apps), which * know what is happening here. Especially, in SOME kde versions this class * might not even exist, as it gets conditionally compiled. */ namespace Arts { class CachedWav : public CachedObject { protected: struct stat oldstat; std::string filename; bool initOk; CachedWav(Cache *cache, std::string filename); ~CachedWav(); typedef unsigned char uchar; public: double samplingRate; long bufferSize; int channelCount; int sampleWidth; unsigned char *buffer; static CachedWav *load(Cache *cache, std::string filename); /** * validity test for the cache - returns false if the object is having * reflecting the correct contents anymore (e.g. if the file on the * disk has changed), and there is no point in keeping it in the cache any * longer */ bool isValid(); /** * memory usage for the cache */ int memoryUsage(); }; }; #endif /* HAVE_LIBAUDIOFILE */ #endif /* CACHEDWAV_H */
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