yading@10: /*
yading@10:  * RealVideo 4 decoder
yading@10:  * copyright (c) 2007 Konstantin Shishkov
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: /**
yading@10:  * @file
yading@10:  * miscellaneous RV40 tables
yading@10:  */
yading@10: 
yading@10: #ifndef AVCODEC_RV40DATA_H
yading@10: #define AVCODEC_RV40DATA_H
yading@10: 
yading@10: #include <stdint.h>
yading@10: 
yading@10: /**
yading@10:  * standard widths and heights coded in RV40
yading@10:  */
yading@10: //@{
yading@10: static const int rv40_standard_widths[]   = { 160, 172, 240, 320, 352, 640, 704, 0};
yading@10: static const int rv40_standard_heights[]  = { 120, 132, 144, 240, 288, 480, -8, -10, 180, 360, 576, 0};
yading@10: //@}
yading@10: 
yading@10: #define MODE2_PATTERNS_NUM 20
yading@10: /**
yading@10:  * intra types table
yading@10:  *
yading@10:  * These values are actually coded 3-tuples
yading@10:  * used for detecting standard block configurations.
yading@10:  */
yading@10: static const uint16_t rv40_aic_table_index[MODE2_PATTERNS_NUM] = {
yading@10:  0x000, 0x100, 0x200,
yading@10:  0x011, 0x111, 0x211, 0x511, 0x611,
yading@10:  0x022, 0x122, 0x222, 0x722,
yading@10:  0x272, 0x227,
yading@10:  0x822, 0x282, 0x228,
yading@10:  0x112, 0x116, 0x221
yading@10: };
yading@10: 
yading@10: /**
yading@10:  * luma quantizer values
yading@10:  * The second table is used for inter blocks.
yading@10:  */
yading@10: static const uint8_t rv40_luma_dc_quant[2][32] = {
yading@10:  {  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
yading@10:    16, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 22, 22, 22, 22 },
yading@10:  {  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
yading@10:    16, 17, 18, 19, 20, 20, 21, 21, 22, 23, 23, 23, 24, 24, 24, 24 }
yading@10: };
yading@10: 
yading@10: /**
yading@10:  * @name Coefficients used by the RV40 loop filter
yading@10:  * @{
yading@10:  */
yading@10: 
yading@10: /** alpha parameter for RV40 loop filter - almost the same as in JVT-A003r1 */
yading@10: static const uint8_t rv40_alpha_tab[32] = {
yading@10:     128, 128, 128, 128, 128, 128, 128, 128,
yading@10:     128, 128, 122,  96,  75,  59,  47,  37,
yading@10:      29,  23,  18,  15,  13,  11,  10,   9,
yading@10:       8,   7,   6,   5,   4,   3,   2,   1
yading@10: };
yading@10: /** beta parameter for RV40 loop filter - almost the same as in JVT-A003r1 */
yading@10: static const uint8_t rv40_beta_tab[32] = {
yading@10:      0,  0,  0,  0,  0,  0,  0,  0,  3,  3,  3,  4,  4,  4,  6,  6,
yading@10:      6,  7,  8,  8,  9,  9, 10, 10, 11, 11, 12, 13, 14, 15, 16, 17
yading@10: };
yading@10: /** clip table for RV40 loop filter - the same as in JVT-A003r1 */
yading@10: static const uint8_t rv40_filter_clip_tbl[3][32] = {
yading@10:     {
yading@10:         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
yading@10:         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
yading@10:     },
yading@10:     {
yading@10:         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
yading@10:         1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 5, 5
yading@10:     },
yading@10:     {
yading@10:         0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1,
yading@10:         1, 2, 2, 2, 2, 3, 3, 3, 4, 4, 5, 5, 5, 7, 8, 9
yading@10:     }
yading@10: };
yading@10: /** @} */ // end loopfilter group
yading@10: 
yading@10: #endif /* AVCODEC_RV40DATA_H */