mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
8227f60fee
The SheerVideo decoder uses two VLC tables and these are in turn created from structures (called SheerTable) that are naturally paired. This commit unifies these pairs of SheerTables to arrays and unifies creating the VLC tables. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
176 lines
5.6 KiB
C
176 lines
5.6 KiB
C
/*
|
|
* BitJazz SheerVideo decoder
|
|
* Copyright (c) 2016 Paul B Mahol
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVCODEC_SHEERVIDEODATA_H
|
|
#define AVCODEC_SHEERVIDEODATA_H
|
|
|
|
#include "libavutil/common.h"
|
|
|
|
typedef struct SheerTable {
|
|
uint8_t lens[2 * 15];
|
|
uint16_t nb_16s;
|
|
} SheerTable;
|
|
|
|
static const SheerTable rgb[2] = {
|
|
{
|
|
{ 0, 0, 2, 2, 3, 3, 5, 5, 8, 8, 10, 9, 14, 15, 18,
|
|
17, 16, 13, 10, 10, 8, 7, 6, 5, 3, 2, 3, 0, 0, 0 }, 54
|
|
},
|
|
{
|
|
{ 0, 2, 0, 2, 0, 1, 1, 0, 2, 1, 3, 3, 4, 7, 13,
|
|
11, 8, 4, 3, 3, 1, 2, 1, 0, 1, 0, 1, 2, 0, 0 }, 180
|
|
}
|
|
};
|
|
|
|
static const SheerTable rgbi[2] = {
|
|
{
|
|
{ 0, 0, 1, 3, 3, 3, 6, 8, 8, 11, 12, 15, 18, 21, 38,
|
|
0, 22, 19, 15, 12, 11, 7, 8, 6, 4, 2, 3, 0, 0, 0 }, 0
|
|
},
|
|
{
|
|
{ 1, 0, 1, 1, 1, 1, 2, 1, 2, 4, 3, 5, 5, 6, 12,
|
|
14, 6, 6, 5, 3, 3, 3, 2, 1, 1, 2, 0, 1, 0, 0 }, 164
|
|
}
|
|
};
|
|
|
|
static const SheerTable ybr[2] = {
|
|
{
|
|
{ 0, 0, 2, 2, 2, 3, 5, 5, 7, 7, 8, 9, 13, 13, 19,
|
|
16, 14, 12, 9, 9, 7, 6, 6, 4, 4, 1, 2, 1, 0, 0 }, 70
|
|
},
|
|
{
|
|
{ 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 2, 2, 3, 5, 5,
|
|
5, 5, 3, 2, 2, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0 }, 212
|
|
}
|
|
};
|
|
|
|
static const SheerTable ybyr[2] = {
|
|
{
|
|
{ 0, 0, 2, 2, 3, 3, 5, 5, 8, 8, 10, 10, 13, 15, 19,
|
|
18, 15, 12, 10, 10, 8, 7, 6, 5, 3, 2, 3, 0, 0, 0 }, 54
|
|
},
|
|
{
|
|
{ 1, 1, 0, 1, 0, 1, 0, 1, 1, 2, 2, 3, 2, 5, 5,
|
|
5, 4, 3, 2, 2, 2, 1, 1, 1, 1, 0, 0, 1, 0, 0 }, 208
|
|
}
|
|
};
|
|
|
|
static const SheerTable byry[2] = {
|
|
{
|
|
{ 0, 0, 2, 2, 2, 3, 5, 5, 7, 7, 8, 11, 10, 14, 19,
|
|
14, 16, 12, 10, 8, 7, 6, 6, 4, 4, 1, 2, 1, 0, 0 }, 70
|
|
},
|
|
{
|
|
{ 1, 1, 0, 1, 0, 1, 0, 1, 2, 1, 2, 2, 3, 4, 6,
|
|
6, 4, 2, 3, 2, 1, 1, 1, 1, 1, 0, 0, 1, 0, 0 }, 208
|
|
}
|
|
};
|
|
|
|
static const SheerTable ybr10i[2] = {
|
|
{
|
|
{ 0, 0, 1, 0, 3, 8, 9, 12, 19, 27, 27, 39, 50, 63, 93,
|
|
89, 64, 50, 38, 26, 26, 20, 12, 9, 8, 3, 0, 0, 0, 0 }, 328
|
|
},
|
|
{
|
|
{ 0, 1, 1, 2, 2, 1, 2, 2, 4, 4, 6, 7, 9, 13, 28,
|
|
28, 12, 11, 6, 7, 5, 3, 3, 1, 1, 2, 2, 1, 0, 0 }, 860
|
|
}
|
|
};
|
|
|
|
static const SheerTable ybr10[2] = {
|
|
{
|
|
{ 0, 0, 0, 1, 6, 6, 8, 12, 18, 21, 27, 29, 36, 47, 71,
|
|
72, 46, 36, 29, 27, 21, 17, 13, 7, 7, 5, 0, 0, 0, 0 }, 462
|
|
},
|
|
{
|
|
{ 0, 1, 2, 1, 2, 1, 1, 1, 2, 3, 2, 5, 6, 10, 20,
|
|
20, 10, 6, 4, 3, 2, 2, 2, 1, 1, 1, 2, 1, 0, 0 }, 912
|
|
}
|
|
};
|
|
|
|
static const SheerTable rgbx[2] = {
|
|
{
|
|
{ 0, 0, 0, 1, 3, 9, 10, 13, 19, 26, 28, 35, 40, 53, 77,
|
|
77, 50, 42, 34, 28, 25, 19, 13, 10, 8, 4, 0, 0, 0, 0 }, 400
|
|
},
|
|
{
|
|
{ 0, 0, 1, 2, 6, 4, 3, 2, 3, 4, 6, 8, 10, 18, 39,
|
|
39, 18, 11, 8, 6, 4, 4, 1, 3, 5, 4, 3, 0, 0, 0 }, 812
|
|
}
|
|
};
|
|
|
|
static const SheerTable yry10[2] = {
|
|
{
|
|
{ 0, 0, 0, 1, 6, 6, 8, 12, 18, 21, 27, 29, 36, 47, 71,
|
|
72, 46, 36, 29, 27, 21, 17, 13, 7, 7, 5, 0, 0, 0, 0 }, 462
|
|
},
|
|
{
|
|
{ 0, 1, 2, 1, 1, 1, 2, 3, 2, 4, 5, 5, 8, 14, 16,
|
|
18, 11, 7, 7, 4, 4, 3, 2, 2, 1, 1, 2, 1, 0, 0 }, 896
|
|
}
|
|
};
|
|
|
|
static const SheerTable yry10i[2] = {
|
|
{
|
|
{ 0, 0, 1, 0, 3, 8, 9, 12, 19, 27, 27, 40, 48, 64, 93,
|
|
89, 65, 49, 38, 26, 26, 20, 12, 9, 8, 3, 0, 0, 0, 0 }, 328
|
|
},
|
|
{
|
|
{ 0, 1, 0, 3, 1, 3, 3, 3, 6, 7, 7, 12, 11, 19, 23,
|
|
20, 18, 12, 12, 8, 6, 5, 4, 3, 2, 2, 2, 1, 0, 0 }, 830
|
|
}
|
|
};
|
|
|
|
static const SheerTable ybri[2] = {
|
|
{
|
|
{ 0, 0, 2, 2, 2, 3, 5, 5, 7, 10, 11, 13, 15, 13, 26,
|
|
20, 16, 17, 12, 11, 9, 7, 5, 5, 3, 3, 1, 1, 0, 0 }, 32
|
|
},
|
|
{
|
|
{ 1, 0, 1, 0, 1, 1, 0, 2, 1, 2, 2, 2, 3, 6, 6,
|
|
5, 6, 3, 2, 2, 2, 1, 2, 0, 1, 1, 0, 0, 1, 0 }, 202
|
|
}
|
|
};
|
|
|
|
static const SheerTable byryi[2] = {
|
|
{
|
|
{ 0, 0, 2, 2, 2, 2, 6, 5, 8, 8, 12, 12, 16, 14, 24,
|
|
20, 16, 18, 12, 12, 8, 7, 5, 6, 3, 1, 2, 1, 0, 0 }, 32
|
|
},
|
|
{
|
|
{ 1, 0, 1, 1, 0, 2, 1, 2, 2, 3, 3, 4, 5, 4, 6,
|
|
7, 5, 4, 4, 3, 3, 2, 2, 2, 0, 1, 1, 1, 0, 0 }, 186
|
|
}
|
|
};
|
|
|
|
static const SheerTable rgbxi[2] = {
|
|
{
|
|
{ 0, 0, 1, 3, 2, 3, 4, 6, 16, 23, 27, 29, 24, 29, 76,
|
|
78, 29, 21, 29, 27, 23, 15, 7, 4, 3, 2, 3, 0, 0, 0 }, 540
|
|
},
|
|
{
|
|
{ 0, 1, 1, 2, 0, 2, 6, 4, 3, 9, 7, 12, 13, 16, 29,
|
|
32, 17, 14, 12, 7, 8, 4, 4, 6, 2, 0, 2, 1, 0, 0 }, 810
|
|
}
|
|
};
|
|
|
|
#endif /* AVCODEC_SHEERVIDEODATA_H */
|