1/*
2 * AAC encoder psychoacoustic model
3 * Copyright (C) 2008 Konstantin Shishkov
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#ifndef AVCODEC_AACPSY_H
23#define AVCODEC_AACPSY_H
24
25#include "avcodec.h"
26#include "aac.h"
27//#include "lowpass.h"
28
29enum AACPsyModelType{
30    AAC_PSY_TEST,              ///< a sample model to exercise encoder
31    AAC_PSY_3GPP,              ///< model following recommendations from 3GPP TS 26.403
32
33    AAC_NB_PSY_MODELS          ///< total number of psychoacoustic models, since it's not a part of the ABI new models can be added freely
34};
35
36/**
37 * context used by psychoacoustic model
38 */
39typedef struct AACPsyContext {
40    AVCodecContext *avctx;            ///< encoder context
41}AACPsyContext;
42
43/**
44 * Cleanup model context at the end.
45 *
46 * @param ctx model context
47 */
48void ff_aac_psy_end(AACPsyContext *ctx);
49
50#endif /* AVCODEC_AACPSY_H */
51