X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fwavecache.h;fp=cinelerra-5.1%2Fcinelerra%2Fwavecache.h;h=274d507f382b4329be7d9cb98431a007a1199d16;hb=30bdb85eb33a8ee7ba675038a86c6be59c43d7bd;hp=0000000000000000000000000000000000000000;hpb=52fcc46226f9df46f9ce9d0566dc568455a7db0b;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.1/cinelerra/wavecache.h b/cinelerra-5.1/cinelerra/wavecache.h
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+++ b/cinelerra-5.1/cinelerra/wavecache.h
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+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program 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 General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * 
+ */
+
+#ifndef WAVECACHE_H
+#define WAVECACHE_H
+
+
+
+// Store audio waveform fragments for drawing.
+#include "cachebase.h"
+
+
+class WaveCacheItem : public CacheItemBase
+{
+public:
+	WaveCacheItem();
+	~WaveCacheItem();
+
+	int get_size();
+	
+	int channel;
+	int indexable_id;
+// End sample in asset samplerate.  Starting point is CacheItemBase::position
+	int64_t end;
+	double high;
+	double low;
+};
+
+
+
+
+
+class WaveCache : public CacheBase
+{
+public:
+	WaveCache();
+	~WaveCache();
+
+// Returns the first item on or after the start argument or 0 if none found.
+	WaveCacheItem* get_wave(int indexable_id,
+		int channel,
+		int64_t start,
+		int64_t end);
+// Put waveform segment into cache
+	void put_wave(Indexable *indexable,
+		int channel,
+		int64_t start,
+		int64_t end,
+		double high,
+		double low);
+};
+
+
+
+#endif