/* * 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 * AAN (Arai, Agui and Nakajima) (I)DCT tables */ #include <stdint.h> const uint16_t ff_aanscales[64] = {    /* precomputed values scaled up by 14 bits */    16384, 22725, 21407, 19266, 16384, 12873,  8867,  4520,    22725, 31521, 29692, 26722, 22725, 17855, 12299,  6270,    21407, 29692, 27969, 25172, 21407, 16819, 11585,  5906,    19266, 26722, 25172, 22654, 19266, 15137, 10426,  5315,    16384, 22725, 21407, 19266, 16384, 12873,  8867,  4520,    12873, 17855, 16819, 15137, 12873, 10114,  6967,  3552,    8867 , 12299, 11585, 10426,  8867,  6967,  4799,  2446,    4520 ,  6270,  5906,  5315,  4520,  3552,  2446,  1247}; const uint16_t ff_inv_aanscales[64] = {  4096,  2953,  3135,  3483,  4096,  5213,  7568, 14846,  2953,  2129,  2260,  2511,  2953,  3759,  5457, 10703,  3135,  2260,  2399,  2666,  3135,  3990,  5793, 11363,  3483,  2511,  2666,  2962,  3483,  4433,  6436, 12625,  4096,  2953,  3135,  3483,  4096,  5213,  7568, 14846,  5213,  3759,  3990,  4433,  5213,  6635,  9633, 18895,  7568,  5457,  5793,  6436,  7568,  9633, 13985, 27432, 14846, 10703, 11363, 12625, 14846, 18895, 27432, 53809,};