|
- /*
- * 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
- * AAN (Arai Agui Aakajima) (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,
- };
|
