mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
181 lines
5.5 KiB
181 lines
5.5 KiB
/* |
|
* RealVideo 3 decoder |
|
* copyright (c) 2007 Konstantin Shishkov |
|
* |
|
* 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 |
|
*/ |
|
|
|
/** |
|
* @file |
|
* miscellaneous RV30 tables |
|
*/ |
|
|
|
#ifndef AVCODEC_RV30DATA_H |
|
#define AVCODEC_RV30DATA_H |
|
|
|
#include <stdint.h> |
|
|
|
/** DC quantizer mapping for RV30 */ |
|
static const uint8_t rv30_luma_dc_quant[32] = { |
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, |
|
16, 17, 18, 19, 20, 21, 22, 22, 22, 23, 23, 23, 24, 24, 25, 25 |
|
}; |
|
|
|
/** |
|
* This table is used for storing the differences |
|
* between the predicted and the real intra type. |
|
*/ |
|
static const uint8_t rv30_itype_code[9*9*2] = { |
|
0, 0, 0, 1, 1, 0, 1, 1, 0, 2, 2, 0, 0, 3, 3, 0, 1, 2, |
|
2, 1, 0, 4, 4, 0, 3, 1, 1, 3, 0, 5, 5, 0, 2, 2, 1, 4, |
|
4, 1, 0, 6, 3, 2, 1, 5, 2, 3, 5, 1, 6, 0, 0, 7, 4, 2, |
|
2, 4, 3, 3, 6, 1, 1, 6, 7, 0, 0, 8, 5, 2, 4, 3, 2, 5, |
|
3, 4, 1, 7, 4, 4, 7, 1, 8, 0, 6, 2, 3, 5, 5, 3, 2, 6, |
|
1, 8, 2, 7, 7, 2, 8, 1, 5, 4, 4, 5, 3, 6, 6, 3, 8, 2, |
|
4, 6, 5, 5, 6, 4, 2, 8, 7, 3, 3, 7, 6, 5, 5, 6, 7, 4, |
|
4, 7, 8, 3, 3, 8, 7, 5, 8, 4, 5, 7, 4, 8, 6, 6, 7, 6, |
|
5, 8, 8, 5, 6, 7, 8, 6, 7, 7, 6, 8, 8, 7, 7, 8, 8, 8, |
|
}; |
|
|
|
/** |
|
* This table is used for retrieving the current intra type |
|
* based on its neighbors and adjustment provided by |
|
* code read and decoded before. |
|
* |
|
* This is really a three-dimensional matrix with dimensions |
|
* [-1..9][-1..9][0..9]. The first and second coordinates are |
|
* detemined by the top and left neighbors (-1 if unavailable). |
|
*/ |
|
static const uint8_t rv30_itype_from_context[900] = { |
|
0, 9, 9, 9, 9, 9, 9, 9, 9, |
|
0, 2, 9, 9, 9, 9, 9, 9, 9, |
|
9, 9, 9, 9, 9, 9, 9, 9, 9, |
|
2, 0, 9, 9, 9, 9, 9, 9, 9, |
|
9, 9, 9, 9, 9, 9, 9, 9, 9, |
|
9, 9, 9, 9, 9, 9, 9, 9, 9, |
|
9, 9, 9, 9, 9, 9, 9, 9, 9, |
|
9, 9, 9, 9, 9, 9, 9, 9, 9, |
|
9, 9, 9, 9, 9, 9, 9, 9, 9, |
|
9, 9, 9, 9, 9, 9, 9, 9, 9, |
|
|
|
0, 1, 9, 9, 9, 9, 9, 9, 9, |
|
0, 2, 1, 6, 4, 8, 5, 7, 3, |
|
1, 0, 2, 6, 5, 4, 3, 8, 7, |
|
2, 8, 0, 1, 7, 4, 3, 6, 5, |
|
2, 0, 1, 3, 8, 5, 4, 7, 6, |
|
2, 0, 1, 4, 6, 7, 8, 3, 5, |
|
0, 1, 5, 2, 6, 3, 8, 4, 7, |
|
0, 1, 6, 2, 4, 7, 5, 8, 3, |
|
2, 7, 0, 1, 4, 8, 6, 3, 5, |
|
2, 8, 0, 1, 7, 3, 4, 5, 6, |
|
|
|
1, 0, 9, 9, 9, 9, 9, 9, 9, |
|
1, 2, 5, 6, 3, 0, 4, 8, 7, |
|
1, 6, 2, 5, 3, 0, 4, 8, 7, |
|
2, 1, 7, 6, 8, 3, 5, 0, 4, |
|
1, 2, 5, 3, 6, 8, 4, 7, 0, |
|
1, 6, 2, 0, 4, 5, 8, 7, 3, |
|
1, 5, 2, 6, 3, 8, 4, 0, 7, |
|
1, 6, 0, 2, 4, 5, 7, 3, 8, |
|
2, 1, 7, 6, 0, 8, 5, 4, 3, |
|
1, 2, 7, 8, 3, 4, 5, 6, 0, |
|
|
|
9, 9, 9, 9, 9, 9, 9, 9, 9, |
|
0, 2, 1, 8, 7, 6, 5, 4, 3, |
|
1, 2, 0, 6, 5, 7, 4, 8, 3, |
|
2, 8, 7, 1, 0, 6, 4, 3, 5, |
|
2, 0, 8, 1, 3, 7, 5, 4, 6, |
|
2, 0, 4, 1, 7, 8, 6, 3, 5, |
|
2, 0, 1, 5, 8, 4, 6, 7, 3, |
|
2, 0, 6, 1, 4, 7, 8, 5, 3, |
|
2, 7, 8, 1, 0, 5, 4, 6, 3, |
|
2, 8, 7, 1, 0, 4, 3, 6, 5, |
|
|
|
9, 9, 9, 9, 9, 9, 9, 9, 9, |
|
0, 2, 1, 3, 5, 8, 6, 4, 7, |
|
1, 0, 2, 5, 3, 6, 4, 8, 7, |
|
2, 8, 1, 0, 3, 5, 7, 6, 4, |
|
3, 2, 5, 8, 1, 4, 6, 7, 0, |
|
4, 2, 0, 6, 1, 5, 8, 3, 7, |
|
5, 3, 1, 2, 8, 6, 4, 0, 7, |
|
1, 6, 0, 2, 4, 5, 8, 3, 7, |
|
2, 7, 0, 1, 5, 4, 8, 6, 3, |
|
2, 8, 3, 5, 1, 0, 7, 6, 4, |
|
|
|
9, 9, 9, 9, 9, 9, 9, 9, 9, |
|
2, 0, 6, 1, 4, 7, 5, 8, 3, |
|
1, 6, 2, 0, 4, 5, 3, 7, 8, |
|
2, 8, 7, 6, 4, 0, 1, 5, 3, |
|
4, 2, 1, 0, 6, 8, 3, 5, 7, |
|
4, 2, 6, 0, 1, 5, 7, 8, 3, |
|
1, 2, 5, 0, 6, 3, 4, 7, 8, |
|
6, 4, 0, 1, 2, 7, 5, 3, 8, |
|
2, 7, 4, 6, 0, 1, 8, 5, 3, |
|
2, 8, 7, 4, 6, 1, 3, 5, 0, |
|
|
|
9, 9, 9, 9, 9, 9, 9, 9, 9, |
|
5, 1, 2, 3, 6, 8, 0, 4, 7, |
|
1, 5, 6, 3, 2, 0, 4, 8, 7, |
|
2, 1, 5, 3, 6, 8, 7, 4, 0, |
|
5, 3, 1, 2, 6, 8, 4, 7, 0, |
|
1, 6, 2, 4, 5, 8, 0, 3, 7, |
|
5, 1, 3, 6, 2, 0, 8, 4, 7, |
|
1, 6, 5, 2, 0, 4, 3, 7, 8, |
|
2, 7, 1, 6, 5, 0, 8, 3, 4, |
|
2, 5, 1, 3, 6, 8, 4, 0, 7, |
|
|
|
9, 9, 9, 9, 9, 9, 9, 9, 9, |
|
1, 6, 2, 0, 5, 4, 3, 7, 8, |
|
1, 6, 5, 4, 2, 3, 0, 7, 8, |
|
2, 1, 6, 7, 4, 8, 5, 3, 0, |
|
2, 1, 6, 5, 8, 4, 3, 0, 7, |
|
6, 4, 1, 2, 0, 5, 7, 8, 3, |
|
1, 6, 5, 2, 3, 0, 4, 8, 7, |
|
6, 1, 4, 0, 2, 7, 5, 3, 8, |
|
2, 7, 4, 6, 1, 5, 0, 8, 3, |
|
2, 1, 6, 8, 4, 7, 3, 5, 0, |
|
|
|
9, 9, 9, 9, 9, 9, 9, 9, 9, |
|
2, 0, 4, 7, 6, 1, 8, 5, 3, |
|
6, 1, 2, 0, 4, 7, 5, 8, 3, |
|
2, 7, 8, 0, 1, 6, 4, 3, 5, |
|
2, 4, 0, 8, 3, 1, 7, 6, 5, |
|
4, 2, 7, 0, 6, 1, 8, 5, 3, |
|
2, 1, 0, 8, 5, 6, 7, 4, 3, |
|
2, 6, 4, 1, 7, 0, 5, 8, 3, |
|
2, 7, 4, 0, 8, 6, 1, 5, 3, |
|
2, 8, 7, 4, 1, 0, 3, 6, 5, |
|
|
|
9, 9, 9, 9, 9, 9, 9, 9, 9, |
|
2, 0, 8, 1, 3, 4, 6, 5, 7, |
|
1, 2, 0, 6, 8, 5, 7, 3, 4, |
|
2, 8, 7, 1, 0, 3, 6, 5, 4, |
|
8, 3, 2, 5, 1, 0, 4, 7, 6, |
|
2, 0, 4, 8, 5, 1, 7, 6, 3, |
|
2, 1, 0, 8, 5, 3, 6, 4, 7, |
|
2, 1, 6, 0, 8, 4, 5, 7, 3, |
|
2, 7, 8, 4, 0, 6, 1, 5, 3, |
|
2, 8, 3, 0, 7, 4, 1, 6, 5, |
|
}; |
|
|
|
/** |
|
* Loop filter limits are taken from this table. |
|
*/ |
|
static const uint8_t rv30_loop_filt_lim[32] = { |
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5 |
|
}; |
|
#endif /* AVCODEC_RV30DATA_H */
|
|
|