Copy of aRts for Trinity modifications

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/dependencies/arts@1070145 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 81 insertions, 0 deletions

diff --git a/flow/cachedwav.h b/flow/cachedwav.h
new file mode 100644
index 0000000..99df156
--- /dev/null
+++ b/flow/cachedwav.h
@@ -0,0 +1,81 @@
+    /*
+
+    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 */