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21a19b7912
Before this, almost all module groups have been used for grouping functions and fields in structures semantically. This causes them to not appear properly in the file documentation and needlessly clutters up the "Modules" index. Additionally, this commit streamlines some spelling and appearances.
116 lines
3.5 KiB
C
116 lines
3.5 KiB
C
/*
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* RealVideo 4 decoder
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* copyright (c) 2007 Konstantin Shishkov
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* miscellaneous RV40 tables
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*/
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#ifndef AVCODEC_RV40DATA_H
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#define AVCODEC_RV40DATA_H
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#include <stdint.h>
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/**
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* standard widths and heights coded in RV40
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*/
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//@{
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static const int rv40_standard_widths[] = { 160, 172, 240, 320, 352, 640, 704, 0};
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static const int rv40_standard_heights[] = { 120, 132, 144, 240, 288, 480, -8, -10, 180, 360, 576, 0};
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//@}
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#define MODE2_PATTERNS_NUM 20
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/**
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* intra types table
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*
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* These values are actually coded 3-tuples
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* used for detecting standard block configurations.
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*/
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static const uint16_t rv40_aic_table_index[MODE2_PATTERNS_NUM] = {
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0x000, 0x100, 0x200,
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0x011, 0x111, 0x211, 0x511, 0x611,
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0x022, 0x122, 0x222, 0x722,
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0x272, 0x227,
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0x822, 0x282, 0x228,
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0x112, 0x116, 0x221
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};
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/**
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* luma quantizer values
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* The second table is used for inter blocks.
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*/
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static const uint8_t rv40_luma_dc_quant[2][32] = {
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{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 22, 22, 22, 22 },
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{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 18, 19, 20, 20, 21, 21, 22, 23, 23, 23, 24, 24, 24, 24 }
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};
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/**
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* @name Coefficients used by the RV40 loop filter
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* @{
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*/
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/**
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* dither values for deblocking filter - left/top values
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*/
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static const uint8_t rv40_dither_l[16] = {
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0x40, 0x50, 0x20, 0x60, 0x30, 0x50, 0x40, 0x30,
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0x50, 0x40, 0x50, 0x30, 0x60, 0x20, 0x50, 0x40
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};
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/**
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* dither values for deblocking filter - right/bottom values
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*/
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static const uint8_t rv40_dither_r[16] = {
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0x40, 0x30, 0x60, 0x20, 0x50, 0x30, 0x30, 0x40,
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0x40, 0x40, 0x50, 0x30, 0x20, 0x60, 0x30, 0x40
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};
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/** alpha parameter for RV40 loop filter - almost the same as in JVT-A003r1 */
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static const uint8_t rv40_alpha_tab[32] = {
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128, 128, 128, 128, 128, 128, 128, 128,
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128, 128, 122, 96, 75, 59, 47, 37,
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29, 23, 18, 15, 13, 11, 10, 9,
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8, 7, 6, 5, 4, 3, 2, 1
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};
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/** beta parameter for RV40 loop filter - almost the same as in JVT-A003r1 */
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static const uint8_t rv40_beta_tab[32] = {
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0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 4, 4, 4, 6, 6,
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6, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 13, 14, 15, 16, 17
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};
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/** clip table for RV40 loop filter - the same as in JVT-A003r1 */
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static const uint8_t rv40_filter_clip_tbl[3][32] = {
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{
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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},
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{
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 5, 5
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},
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{
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0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1,
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1, 2, 2, 2, 2, 3, 3, 3, 4, 4, 5, 5, 5, 7, 8, 9
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}
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};
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/** @} */ // end loopfilter group
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#endif /* AVCODEC_RV40DATA_H */
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