1 files changed, 72 insertions, 0 deletions
diff --git a/intern/audaspace/FX/AUD_VolumeReader.h b/intern/audaspace/FX/AUD_VolumeReader.h
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+++ b/intern/audaspace/FX/AUD_VolumeReader.h
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+/*
+ * $Id$
+ *
+ * ***** BEGIN LGPL LICENSE BLOCK *****
+ *
+ * Copyright 2009 Jörg Hermann Müller
+ *
+ * This file is part of AudaSpace.
+ *
+ * AudaSpace is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * AudaSpace 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with AudaSpace.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * ***** END LGPL LICENSE BLOCK *****
+ */
+
+#ifndef AUD_VOLUMEREADER
+#define AUD_VOLUMEREADER
+
+#include "AUD_EffectReader.h"
+#include "AUD_ConverterFunctions.h"
+class AUD_Buffer;
+
+/**
+ * This class reads another reader and changes it's volume.
+ */
+class AUD_VolumeReader : public AUD_EffectReader
+{
+private:
+	/**
+	 * The playback buffer.
+	 */
+	AUD_Buffer *m_buffer;
+
+	/**
+	 * The volume level.
+	 */
+	float m_volume;
+
+	/**
+	 * Volume adjustment function.
+	 */
+	AUD_volume_adjust_f m_adjust;
+
+public:
+	/**
+	 * Creates a new volume reader.
+	 * \param reader The reader to read from.
+	 * \param volume The size of the buffer.
+	 * \exception AUD_Exception Thrown if the reader specified is NULL.
+	 */
+	AUD_VolumeReader(AUD_IReader* reader, float volume);
+
+	/**
+	 * Destroys the reader.
+	 */
+	virtual ~AUD_VolumeReader();
+
+	virtual bool notify(AUD_Message &message);
+	virtual void read(int & length, sample_t* & buffer);
+};
+
+#endif //AUD_VOLUMEREADER