2 * copyright (c) 2006 Oded Shimon <ods15@ods15.dyndns.org>
4 * This library 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 of the License, or (at your option) any later version.
9 * This library 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.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 extern const float ff_vorbis_floor1_inverse_db_table[256];
25 extern const float * ff_vorbis_vwin[8];
34 void ff_vorbis_ready_floor1_list(floor1_entry_t * list, int values);
35 unsigned int ff_vorbis_nth_root(unsigned int x, unsigned int n); // x^(1/n)
36 int ff_vorbis_len2vlc(uint8_t *bits, uint32_t *codes, uint_fast32_t num);
38 static void attribute_unused render_line(int x0, int y0, int x1, int y1, float * buf, int n) {
47 if (dy < 0) sy = base - 1;
49 ady = ady - ABS(base) * adx;
51 buf[x] = ff_vorbis_floor1_inverse_db_table[y];
52 for (x = x0 + 1; x < x1; x++) {
61 buf[x] = ff_vorbis_floor1_inverse_db_table[y];
65 #define ilog(i) av_log2(2*(i))