/* * RealVideo 3 decoder * copyright (c) 2007 Konstantin Shishkov * * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; 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 */