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authorzakk <zakk@edf5b092-35ff-0310-97b2-ce42778d08ea>2005-08-26 04:48:05 +0000
committerzakk <zakk@edf5b092-35ff-0310-97b2-ce42778d08ea>2005-08-26 04:48:05 +0000
commit952c5c128f9efaea89d41d882c4ea3ade7df4591 (patch)
tree91b84d9be7afad7e99ac64a640a65b6cb5081900 /libs/jpeg6/jchuff.h
parentc2c2e0d25d6cdb7d42d7dc981a863f65f94f281d (diff)
downloadioquake3-aero-952c5c128f9efaea89d41d882c4ea3ade7df4591.tar.gz
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Itsa me, quake3io!
git-svn-id: svn://svn.icculus.org/quake3/trunk@2 edf5b092-35ff-0310-97b2-ce42778d08ea
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+/*
+ * jchuff.h
+ *
+ * Copyright (C) 1991-1995, Thomas G. Lane.
+ * This file is part of the Independent JPEG Group's software.
+ * For conditions of distribution and use, see the accompanying README file.
+ *
+ * This file contains declarations for Huffman entropy encoding routines
+ * that are shared between the sequential encoder (jchuff.c) and the
+ * progressive encoder (jcphuff.c). No other modules need to see these.
+ */
+
+/* Derived data constructed for each Huffman table */
+
+typedef struct {
+ unsigned int ehufco[256]; /* code for each symbol */
+ char ehufsi[256]; /* length of code for each symbol */
+ /* If no code has been allocated for a symbol S, ehufsi[S] contains 0 */
+} c_derived_tbl;
+
+/* Short forms of external names for systems with brain-damaged linkers. */
+
+#ifdef NEED_SHORT_EXTERNAL_NAMES
+#define jpeg_make_c_derived_tbl jMkCDerived
+#define jpeg_gen_optimal_table jGenOptTbl
+#endif /* NEED_SHORT_EXTERNAL_NAMES */
+
+/* Expand a Huffman table definition into the derived format */
+EXTERN void jpeg_make_c_derived_tbl JPP((j_compress_ptr cinfo,
+ JHUFF_TBL * htbl, c_derived_tbl ** pdtbl));
+
+/* Generate an optimal table definition given the specified counts */
+EXTERN void jpeg_gen_optimal_table JPP((j_compress_ptr cinfo,
+ JHUFF_TBL * htbl, long freq[]));