Imported Debian version 2.4.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavcodec / aacsbr.h
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2ba45a60
DM
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. */
37void ff_aac_sbr_init(void);
38/** Initialize one SBR context. */
39void ff_aac_sbr_ctx_init(AACContext *ac, SpectralBandReplication *sbr);
40/** Close one SBR context. */
41void ff_aac_sbr_ctx_close(SpectralBandReplication *sbr);
42/** Decode one SBR element. */
43int 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. */
46void ff_sbr_apply(AACContext *ac, SpectralBandReplication *sbr, int id_aac,
47 float* L, float *R);
48
49void ff_aacsbr_func_ptr_init_mips(AACSBRContext *c);
50
51#endif /* AVCODEC_AACSBR_H */