| /* |
| * 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 libavcodec/rv30data.h |
| * 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 */ |