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1 | /* |
2 | * AAC Spectral Band Replication function declarations | |
3 | * Copyright (c) 2008-2009 Robert Swain ( rob opendot cl ) | |
4 | * Copyright (c) 2010 Alex Converse <alex.converse@gmail.com> | |
5 | * | |
6 | * This file is part of FFmpeg. | |
7 | * | |
8 | * FFmpeg is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License as published by the Free Software Foundation; either | |
11 | * version 2.1 of the License, or (at your option) any later version. | |
12 | * | |
13 | * FFmpeg is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * Lesser General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU Lesser General Public | |
19 | * License along with FFmpeg; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
21 | */ | |
22 | ||
23 | /** | |
24 | * @file | |
25 | * AAC Spectral Band Replication function declarations | |
26 | * @author Robert Swain ( rob opendot cl ) | |
27 | */ | |
28 | ||
29 | #ifndef AVCODEC_AACSBR_H | |
30 | #define AVCODEC_AACSBR_H | |
31 | ||
32 | #include "get_bits.h" | |
33 | #include "aac.h" | |
34 | #include "sbr.h" | |
35 | ||
36 | /** Initialize SBR. */ | |
37 | void ff_aac_sbr_init(void); | |
38 | /** Initialize one SBR context. */ | |
39 | void ff_aac_sbr_ctx_init(AACContext *ac, SpectralBandReplication *sbr); | |
40 | /** Close one SBR context. */ | |
41 | void ff_aac_sbr_ctx_close(SpectralBandReplication *sbr); | |
42 | /** Decode one SBR element. */ | |
43 | int ff_decode_sbr_extension(AACContext *ac, SpectralBandReplication *sbr, | |
44 | GetBitContext *gb, int crc, int cnt, int id_aac); | |
45 | /** Apply one SBR element to one AAC element. */ | |
46 | void ff_sbr_apply(AACContext *ac, SpectralBandReplication *sbr, int id_aac, | |
47 | float* L, float *R); | |
48 | ||
49 | void ff_aacsbr_func_ptr_init_mips(AACSBRContext *c); | |
50 | ||
51 | #endif /* AVCODEC_AACSBR_H */ |