1 files changed, 76 insertions, 0 deletions
diff --git a/intern/audaspace/SDL/AUD_SDLMixer.h b/intern/audaspace/SDL/AUD_SDLMixer.h
new file mode 100644
index 00000000000..2cc4e51f66d
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+++ b/intern/audaspace/SDL/AUD_SDLMixer.h
@@ -0,0 +1,76 @@
+/*
+ * $Id$
+ *
+ * ***** 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_SDLMIXER
+#define AUD_SDLMIXER
+
+#include "AUD_IMixer.h"
+class AUD_SDLMixerFactory;
+#include <list>
+
+struct AUD_SDLMixerBuffer
+{
+	sample_t* buffer;
+	int length;
+	float volume;
+};
+
+/**
+ * This class is able to mix audiosignals with the help of SDL.
+ */
+class AUD_SDLMixer : public AUD_IMixer
+{
+private:
+	/**
+	 * The mixer factory that prepares all readers for superposition.
+	 */
+	AUD_SDLMixerFactory* m_factory;
+
+	/**
+	 * The list of buffers to superpose.
+	 */
+	std::list<AUD_SDLMixerBuffer> m_buffers;
+
+	/**
+	 * The size of an output sample.
+	 */
+	int m_samplesize;
+
+public:
+	/**
+	 * Creates the mixer.
+	 */
+	AUD_SDLMixer();
+
+	virtual ~AUD_SDLMixer();
+
+	virtual AUD_IReader* prepare(AUD_IReader* reader);
+	virtual void setSpecs(AUD_Specs specs);
+	virtual void add(sample_t* buffer, AUD_Specs specs, int length,
+					 float volume);
+	virtual void superpose(sample_t* buffer, int length, float volume);
+};
+
+#endif //AUD_SDLMIXER