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-rw-r--r--mpeglib/lib/mpegplay/jrevdct.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/mpeglib/lib/mpegplay/jrevdct.h b/mpeglib/lib/mpegplay/jrevdct.h
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+++ b/mpeglib/lib/mpegplay/jrevdct.h
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+/*
+ definittion for reverse dct
+ Copyright (C) 1999 Martin Vogt
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Library General Public License as published by
+ the Free Software Foundation.
+
+ For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+#ifndef __JREVDCT_H
+#define __JREVDCT_H
+
+extern "C" {
+#include <string.h>
+}
+
+#include "proto.h"
+
+
+#ifndef XMD_H
+typedef int INT32;
+typedef short INT16;
+typedef char INT8;
+#endif
+typedef unsigned int UINT32;
+typedef unsigned short UINT16;
+typedef unsigned char UINT8;
+
+
+
+/* Definition of Contant integer scale factor. */
+
+#define CONST_BITS 13
+
+/* Misc DCT definitions */
+#define DCTSIZE 8 /* The basic DCT block is 8x8 samples */
+#define DCTSIZE2 64 /* DCTSIZE squared; # of elements in a block */
+
+#define GLOBAL /* a function referenced thru EXTERNs */
+
+typedef short DCTELEM;
+typedef DCTELEM DCTBLOCK[DCTSIZE2];
+
+
+/* jrevdct.c */
+void init_pre_idct (void);
+void j_rev_dct_sparse (DCTBLOCK data , int pos);
+void j_rev_dct (DCTBLOCK data);
+void j_rev_dct_sparse (DCTBLOCK data , int pos);
+void j_rev_dct (DCTBLOCK data);
+
+
+#endif