aacsbr.h
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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 Libav.
7  *
8  * Libav 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  * Libav 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 Libav; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
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 
37 av_cold void ff_aac_sbr_init(void);
39 av_cold void ff_aac_sbr_ctx_init(AACContext *ac, SpectralBandReplication *sbr);
41 av_cold void ff_aac_sbr_ctx_close(SpectralBandReplication *sbr);
43 int ff_decode_sbr_extension(AACContext *ac, SpectralBandReplication *sbr,
44  GetBitContext *gb, int crc, int cnt, int id_aac);
46 void ff_sbr_apply(AACContext *ac, SpectralBandReplication *sbr, int id_aac,
47  float* L, float *R);
48 
49 #endif /* AVCODEC_AACSBR_H */