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1 /* | 1 /* |
2 * copyright (c) 2006 Oded Shimon <ods15@ods15.dyndns.org> | 2 * copyright (c) 2006 Oded Shimon <ods15@ods15.dyndns.org> |
3 * | 3 * |
4 * This file is part of FFmpeg. | 4 * This file is part of FFmpeg. |
5 * | 5 * |
6 * FFmpeg is free software; you can redistribute it and/or | 6 * FFmpeg is free software; you can redistribute it and/or |
7 * modify it under the terms of the GNU Lesser General Public | 7 * modify it under the terms of the GNU Lesser General Public |
8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
9 * version 2.1 of the License, or (at your option) any later version. | 9 * version 2.1 of the License, or (at your option) any later version. |
10 * | 10 * |
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34 uint_fast16_t low; | 34 uint_fast16_t low; |
35 uint_fast16_t high; | 35 uint_fast16_t high; |
36 } vorbis_floor1_entry; | 36 } vorbis_floor1_entry; |
37 | 37 |
38 void ff_vorbis_ready_floor1_list(vorbis_floor1_entry * list, int values); | 38 void ff_vorbis_ready_floor1_list(vorbis_floor1_entry * list, int values); |
39 unsigned int ff_vorbis_nth_root(unsigned int x, unsigned int n); // x^(1/n) | 39 unsigned int ff_vorbis_nth_root(unsigned int x, unsigned int n); // x^(1/n) |
40 int ff_vorbis_len2vlc(uint8_t *bits, uint32_t *codes, uint_fast32_t num); | 40 int ff_vorbis_len2vlc(uint8_t *bits, uint32_t *codes, uint_fast32_t num); |
41 void ff_vorbis_floor1_render_list(vorbis_floor1_entry * list, int values, | 41 void ff_vorbis_floor1_render_list(vorbis_floor1_entry * list, int values, |
42 uint_fast16_t * y_list, int * flag, | 42 uint_fast16_t * y_list, int * flag, |
43 int multiplier, float * out, int samples); | 43 int multiplier, float * out, int samples); |
| 44 void vorbis_inverse_coupling(float *mag, float *ang, int blocksize); |
44 | 45 |
45 #define ilog(i) av_log2(2*(i)) | 46 #define ilog(i) av_log2(2*(i)) |
46 | 47 |
47 #endif /* AVCODEC_VORBIS_H */ | 48 #endif /* AVCODEC_VORBIS_H */ |
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