yading@10: /*
yading@10:  * Apple ProRes compatible decoder
yading@10:  *
yading@10:  * Copyright (c) 2010-2011 Maxim Poliakovski
yading@10:  *
yading@10:  * This file is part of Libav.
yading@10:  *
yading@10:  * Libav 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:  * Libav 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 Libav; 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: #include "proresdata.h"
yading@10: 
yading@10: const uint8_t ff_prores_progressive_scan[64] = {
yading@10:      0,  1,  8,  9,  2,  3, 10, 11,
yading@10:     16, 17, 24, 25, 18, 19, 26, 27,
yading@10:      4,  5, 12, 20, 13,  6,  7, 14,
yading@10:     21, 28, 29, 22, 15, 23, 30, 31,
yading@10:     32, 33, 40, 48, 41, 34, 35, 42,
yading@10:     49, 56, 57, 50, 43, 36, 37, 44,
yading@10:     51, 58, 59, 52, 45, 38, 39, 46,
yading@10:     53, 60, 61, 54, 47, 55, 62, 63
yading@10: };
yading@10: 
yading@10: const uint8_t ff_prores_interlaced_scan[64] = {
yading@10:      0,  8,  1,  9, 16, 24, 17, 25,
yading@10:      2, 10,  3, 11, 18, 26, 19, 27,
yading@10:     32, 40, 33, 34, 41, 48, 56, 49,
yading@10:     42, 35, 43, 50, 57, 58, 51, 59,
yading@10:      4, 12,  5,  6, 13, 20, 28, 21,
yading@10:     14,  7, 15, 22, 29, 36, 44, 37,
yading@10:     30, 23, 31, 38, 45, 52, 60, 53,
yading@10:     46, 39, 47, 54, 61, 62, 55, 63
yading@10: };
yading@10: 
yading@10: 
yading@10: const uint8_t ff_prores_dc_codebook[4] = {
yading@10:     0x04, // rice_order = 0, exp_golomb_order = 1, switch_bits = 0
yading@10:     0x28, // rice_order = 1, exp_golomb_order = 2, switch_bits = 0
yading@10:     0x4D, // rice_order = 2, exp_golomb_order = 3, switch_bits = 1
yading@10:     0x70  // rice_order = 3, exp_golomb_order = 4, switch_bits = 0
yading@10: };
yading@10: 
yading@10: const uint8_t ff_prores_ac_codebook[7] = {
yading@10:     0x04, // rice_order = 0, exp_golomb_order = 1, switch_bits = 0
yading@10:     0x28, // rice_order = 1, exp_golomb_order = 2, switch_bits = 0
yading@10:     0x4C, // rice_order = 2, exp_golomb_order = 3, switch_bits = 0
yading@10:     0x05, // rice_order = 0, exp_golomb_order = 1, switch_bits = 1
yading@10:     0x29, // rice_order = 1, exp_golomb_order = 2, switch_bits = 1
yading@10:     0x06, // rice_order = 0, exp_golomb_order = 1, switch_bits = 2
yading@10:     0x0A, // rice_order = 0, exp_golomb_order = 2, switch_bits = 2
yading@10: };
yading@10: 
yading@10: /**
yading@10:  * Lookup tables for adaptive switching between codebooks
yading@10:  * according with previous run/level value.
yading@10:  */
yading@10: const uint8_t ff_prores_run_to_cb_index[16] =
yading@10:     { 5, 5, 3, 3, 0, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 2 };
yading@10: 
yading@10: const uint8_t ff_prores_lev_to_cb_index[10] = { 0, 6, 3, 5, 0, 1, 1, 1, 1, 2 };