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ip/aac.h

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+/*
+ * Copyright 2011-2013 Various Authors
+ * Copyright 2011 Johannes Weißl
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CMUS_AAC_H
+#define CMUS_AAC_H
+
+#include "../channelmap.h"
+#include <neaacdec.h>
+
+static inline channel_position_t channel_position_aac(unsigned char c)
+{
+	switch (c) {
+	case FRONT_CHANNEL_CENTER:	return CHANNEL_POSITION_FRONT_CENTER;
+	case FRONT_CHANNEL_LEFT:	return CHANNEL_POSITION_FRONT_LEFT;
+	case FRONT_CHANNEL_RIGHT:	return CHANNEL_POSITION_FRONT_RIGHT;
+	case SIDE_CHANNEL_LEFT:		return CHANNEL_POSITION_SIDE_LEFT;
+	case SIDE_CHANNEL_RIGHT:	return CHANNEL_POSITION_SIDE_RIGHT;
+	case BACK_CHANNEL_LEFT:		return CHANNEL_POSITION_REAR_LEFT;
+	case BACK_CHANNEL_RIGHT:	return CHANNEL_POSITION_REAR_RIGHT;
+	case BACK_CHANNEL_CENTER:	return CHANNEL_POSITION_REAR_CENTER;
+	case LFE_CHANNEL:		return CHANNEL_POSITION_LFE;
+	default:			return CHANNEL_POSITION_INVALID;
+	}
+}
+
+#endif