blob: 4550de9b803129d3e3bea72794200fee4713d2d8
1 | /* |
2 | * This file is part of FFmpeg. |
3 | * |
4 | * FFmpeg is free software; you can redistribute it and/or |
5 | * modify it under the terms of the GNU Lesser General Public |
6 | * License as published by the Free Software Foundation; either |
7 | * version 2.1 of the License, or (at your option) any later version. |
8 | * |
9 | * FFmpeg is distributed in the hope that it will be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | * Lesser General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU Lesser General Public |
15 | * License along with FFmpeg; if not, write to the Free Software |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
17 | */ |
18 | |
19 | #include "mpegaudiodsp.h" |
20 | |
21 | /* half mpeg encoding window (full precision) */ |
22 | const int32_t ff_mpa_enwindow[257] = { |
23 | 0, -1, -1, -1, -1, -1, -1, -2, |
24 | -2, -2, -2, -3, -3, -4, -4, -5, |
25 | -5, -6, -7, -7, -8, -9, -10, -11, |
26 | -13, -14, -16, -17, -19, -21, -24, -26, |
27 | -29, -31, -35, -38, -41, -45, -49, -53, |
28 | -58, -63, -68, -73, -79, -85, -91, -97, |
29 | -104, -111, -117, -125, -132, -139, -147, -154, |
30 | -161, -169, -176, -183, -190, -196, -202, -208, |
31 | 213, 218, 222, 225, 227, 228, 228, 227, |
32 | 224, 221, 215, 208, 200, 189, 177, 163, |
33 | 146, 127, 106, 83, 57, 29, -2, -36, |
34 | -72, -111, -153, -197, -244, -294, -347, -401, |
35 | -459, -519, -581, -645, -711, -779, -848, -919, |
36 | -991, -1064, -1137, -1210, -1283, -1356, -1428, -1498, |
37 | -1567, -1634, -1698, -1759, -1817, -1870, -1919, -1962, |
38 | -2001, -2032, -2057, -2075, -2085, -2087, -2080, -2063, |
39 | 2037, 2000, 1952, 1893, 1822, 1739, 1644, 1535, |
40 | 1414, 1280, 1131, 970, 794, 605, 402, 185, |
41 | -45, -288, -545, -814, -1095, -1388, -1692, -2006, |
42 | -2330, -2663, -3004, -3351, -3705, -4063, -4425, -4788, |
43 | -5153, -5517, -5879, -6237, -6589, -6935, -7271, -7597, |
44 | -7910, -8209, -8491, -8755, -8998, -9219, -9416, -9585, |
45 | -9727, -9838, -9916, -9959, -9966, -9935, -9863, -9750, |
46 | -9592, -9389, -9139, -8840, -8492, -8092, -7640, -7134, |
47 | 6574, 5959, 5288, 4561, 3776, 2935, 2037, 1082, |
48 | 70, -998, -2122, -3300, -4533, -5818, -7154, -8540, |
49 | -9975,-11455,-12980,-14548,-16155,-17799,-19478,-21189, |
50 | -22929,-24694,-26482,-28289,-30112,-31947,-33791,-35640, |
51 | -37489,-39336,-41176,-43006,-44821,-46617,-48390,-50137, |
52 | -51853,-53534,-55178,-56778,-58333,-59838,-61289,-62684, |
53 | -64019,-65290,-66494,-67629,-68692,-69679,-70590,-71420, |
54 | -72169,-72835,-73415,-73908,-74313,-74630,-74856,-74992, |
55 | 75038, |
56 | }; |
57 |