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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commite2de64d6f1beb9e492daf5b886e19933c1fa41dd (patch)
tree9047cf9e6b5c43878d5bf82660adae77ceee097a /mpeglib/lib/mpegplay/decoderTables.h
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Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/*
+ declares various tables to make things faster
+ 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 __DECODERTABLES_H
+#define __DECODERTABLES_H
+
+#include "videoDecoder.h"
+#include "proto.h"
+
+/* Code for unbound values in decoding tables */
+#define MPGDECODE_ERROR (-1)
+
+#define MACRO_BLOCK_STUFFING 34
+#define MACRO_BLOCK_ESCAPE 35
+
+
+/* Structure for an entry in the decoding table of
+ * macroblock_address_increment */
+typedef struct {
+ int value; /* value for macroblock_address_increment */
+ int num_bits; /* length of the Huffman code */
+} mb_addr_inc_entry;
+
+
+/* Structure for an entry in the decoding table of macroblock_type */
+typedef struct {
+ unsigned int mb_quant; /* macroblock_quant */
+ unsigned int mb_motion_forward; /* macroblock_motion_forward */
+ unsigned int mb_motion_backward; /* macroblock_motion_backward */
+ unsigned int mb_pattern; /* macroblock_pattern */
+ unsigned int mb_intra; /* macroblock_intra */
+ unsigned int num_bits; /* length of the Huffman code */
+} mb_type_entry;
+
+
+/* Structures for an entry in the decoding table of coded_block_pattern */
+typedef struct {
+ unsigned int cbp; /* coded_block_pattern */
+ int num_bits; /* length of the Huffman code */
+} coded_block_pattern_entry;
+
+
+/* Structure for an entry in the decoding table of motion vectors */
+typedef struct {
+ int code; /* value for motion_horizontal_forward_code,
+ * motion_vertical_forward_code,
+ * motion_horizontal_backward_code, or
+ * motion_vertical_backward_code.
+ */
+ int num_bits; /* length of the Huffman code */
+} motion_vectors_entry;
+
+
+/* Structure for an entry in the decoding table of dct_dc_size */
+typedef struct {
+ unsigned int value; /* value of dct_dc_size (luminance or chrominance) */
+ int num_bits; /* length of the Huffman code */
+} dct_dc_size_entry;
+
+
+
+/* External declaration of dct coeff tables. */
+
+extern unsigned short int dct_coeff_tbl_0[256];
+extern unsigned short int dct_coeff_tbl_1[16];
+extern unsigned short int dct_coeff_tbl_2[4];
+extern unsigned short int dct_coeff_tbl_3[4];
+extern unsigned short int dct_coeff_next[256];
+extern unsigned short int dct_coeff_first[256];
+
+/* External declaration of dct dc size lumiance table. */
+
+extern dct_dc_size_entry dct_dc_size_luminance[32];
+extern dct_dc_size_entry dct_dc_size_luminance1[16];
+
+/* External declaration of dct dc size chrom table. */
+
+extern dct_dc_size_entry dct_dc_size_chrominance[32];
+extern dct_dc_size_entry dct_dc_size_chrominance1[32];
+
+/* External declaration of coded block pattern table. */
+
+extern coded_block_pattern_entry coded_block_pattern[512];
+
+/* Decoding table for macroblock_type in predictive-coded pictures */
+extern mb_type_entry mb_type_P[64];
+
+/* Decoding table for macroblock_type in bidirectionally-coded pictures */
+extern mb_type_entry mb_type_B[64];
+
+/* Decoding table for macroblock_address_increment */
+extern mb_addr_inc_entry mb_addr_inc[2048];
+
+/* Decoding table for motion vectors */
+extern motion_vectors_entry motion_vectors[2048];
+
+extern void init_tables();
+
+#endif