Put root level of Tremor in CVS

git-svn-id: https://svn.xiph.org/trunk/Tremor@3890 0101bb08-14d6-0310-b084-bc0e0c8e3800

1 files changed, 42 insertions, 0 deletions

diff --git a/mdct.h b/mdct.h
new file mode 100644
index 0000000..3ad5ced
--- /dev/null
+++ b/mdct.h
@@ -0,0 +1,42 @@
+/********************************************************************
+ *                                                                  *
+ * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE.   *
+ *                                                                  *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002    *
+ * BY THE Xiph.Org FOUNDATION http://www.xiph.org/                  *
+ * ALL REDISTRIBUTION RIGHTS RESERVED.                              *
+ *                                                                  *
+ ********************************************************************
+
+ function: modified discrete cosine transform prototypes
+
+ ********************************************************************/
+
+#ifndef _OGG_mdct_H_
+#define _OGG_mdct_H_
+
+#include "ivorbiscodec.h"
+#include "misc.h"
+
+#define DATA_TYPE ogg_int32_t
+#define REG_TYPE  register ogg_int32_t
+#define cPI3_8 (0x61f78a9bUL>>1)
+#define cPI2_8 (0xb504f334UL>>1)
+#define cPI1_8 (0xec835e7aUL>>1)
+
+extern void mdct_forward(int n, DATA_TYPE *in, DATA_TYPE *out);
+extern void mdct_backward(int n, DATA_TYPE *in, DATA_TYPE *out);
+
+#endif
+
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