1/*
2 * MJPEG encoder and decoder
3 * Copyright (c) 2000, 2001 Fabrice Bellard
4 * Copyright (c) 2003 Alex Beregszaszi
5 * Copyright (c) 2003-2004 Michael Niedermayer
6 *
7 * Support for external huffman table, various fixes (AVID workaround),
8 * aspecting, new decode_frame mechanism and apple mjpeg-b support
9 *                                  by Alex Beregszaszi
10 *
11 * This file is part of FFmpeg.
12 *
13 * FFmpeg is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU Lesser General Public
15 * License as published by the Free Software Foundation; either
16 * version 2.1 of the License, or (at your option) any later version.
17 *
18 * FFmpeg is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
21 * Lesser General Public License for more details.
22 *
23 * You should have received a copy of the GNU Lesser General Public
24 * License along with FFmpeg; if not, write to the Free Software
25 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 */
27
28/**
29 * @file
30 * MJPEG encoder and decoder.
31 */
32
33#include "jpegtabs.h"
34
35#if 0
36/* These are the sample quantization tables given in JPEG spec section K.1.
37 * The spec says that the values given produce "good" quality, and
38 * when divided by 2, "very good" quality.
39 */
40static const unsigned char std_luminance_quant_tbl[64] = {
41    16,  11,  10,  16,  24,  40,  51,  61,
42    12,  12,  14,  19,  26,  58,  60,  55,
43    14,  13,  16,  24,  40,  57,  69,  56,
44    14,  17,  22,  29,  51,  87,  80,  62,
45    18,  22,  37,  56,  68, 109, 103,  77,
46    24,  35,  55,  64,  81, 104, 113,  92,
47    49,  64,  78,  87, 103, 121, 120, 101,
48    72,  92,  95,  98, 112, 100, 103,  99
49};
50static const unsigned char std_chrominance_quant_tbl[64] = {
51    17,  18,  24,  47,  99,  99,  99,  99,
52    18,  21,  26,  66,  99,  99,  99,  99,
53    24,  26,  56,  99,  99,  99,  99,  99,
54    47,  66,  99,  99,  99,  99,  99,  99,
55    99,  99,  99,  99,  99,  99,  99,  99,
56    99,  99,  99,  99,  99,  99,  99,  99,
57    99,  99,  99,  99,  99,  99,  99,  99,
58    99,  99,  99,  99,  99,  99,  99,  99
59};
60#endif
61