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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"
- #include "arts_export.h"
- #ifdef HAVE_LIBAUDIOFILE
- #include "cache.h"
- #include <sys/stat.h>
- #include <unistd.h>
-
- /*
- * BC - Status (2002-03-08): 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 ARTS_EXPORT 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();
-
- std::string mediaName() const { return filename; }
- };
-
- }
-
- #endif /* HAVE_LIBAUDIOFILE */
- #endif /* CACHEDWAV_H */
-