/*

 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description: 

 *

 */

 #ifndef _HUFFMAN_H_

 #define _HUFFMAN_H_

 #include <liboil/liboil-stdint.h>

 #include "jpeg_bits.h"

 typedef struct _HuffmanEntry HuffmanEntry;

 typedef struct _HuffmanTable HuffmanTable;

 struct _HuffmanEntry {

   unsigned int symbol;

   unsigned int mask;

   int n_bits;

   unsigned char value;

 };

 struct _HuffmanTable {

   int len;

   HuffmanEntry entries[256];

 };

 void huffman_table_init(HuffmanTable *table);

 void huffman_table_dump(HuffmanTable *table);

 void huffman_table_add(HuffmanTable *table, uint32_t code, int n_bits,

 	int value);

 unsigned int huffman_table_decode_jpeg(HuffmanTable *tab, JpegBits *bits);

 int huffman_table_decode_macroblock(short *block, HuffmanTable *dc_tab,

 	HuffmanTable *ac_tab, JpegBits *bits);

 int huffman_table_decode(HuffmanTable *dc_tab, HuffmanTable *ac_tab, JpegBits *bits);

 #endif