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https://github.com/librempeg/librempeg
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51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/*
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* AAC encoder psychoacoustic model
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* Copyright (C) 2008 Konstantin Shishkov
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_AACPSY_H
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#define AVCODEC_AACPSY_H
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#include "avcodec.h"
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#include "aac.h"
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//#include "lowpass.h"
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enum AACPsyModelType{
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AAC_PSY_TEST, ///< a sample model to exercise encoder
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AAC_PSY_3GPP, ///< model following recommendations from 3GPP TS 26.403
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AAC_NB_PSY_MODELS ///< total number of psychoacoustic models, since it's not a part of the ABI new models can be added freely
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};
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/**
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* context used by psychoacoustic model
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*/
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typedef struct AACPsyContext {
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AVCodecContext *avctx; ///< encoder context
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}AACPsyContext;
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/**
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* Cleanup model context at the end.
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*
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* @param ctx model context
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*/
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void ff_aac_psy_end(AACPsyContext *ctx);
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#endif /* AVCODEC_AACPSY_H */
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