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);
37 void ff_vorbis_floor1_render_list(floor1_entry_t * list, int values, uint_fast16_t * y_list, int * flag, int multiplier, float * out, int samples);
39 #define ilog(i) av_log2(2*(i))