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/*
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 * AAC Spectral Band Replication function declarations
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 * Copyright (c) 2008-2009 Robert Swain ( rob opendot cl )
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 * Copyright (c) 2010      Alex Converse <alex.converse@gmail.com>
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 *
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 * This file is part of Libav.
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 *
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 * Libav 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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 * Libav 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 Libav; 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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/**
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 * @file
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 * AAC Spectral Band Replication function declarations
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 * @author Robert Swain ( rob opendot cl )
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 */
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#ifndef AVCODEC_AACSBR_H
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#define AVCODEC_AACSBR_H
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#include "get_bits.h"
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#include "aac.h"
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#include "sbr.h"
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/** Initialize SBR. */
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av_cold void ff_aac_sbr_init(void);
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/** Initialize one SBR context. */
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av_cold void ff_aac_sbr_ctx_init(SpectralBandReplication *sbr);
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/** Close one SBR context. */
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av_cold void ff_aac_sbr_ctx_close(SpectralBandReplication *sbr);
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/** Decode one SBR element. */
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int ff_decode_sbr_extension(AACContext *ac, SpectralBandReplication *sbr,
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                            GetBitContext *gb, int crc, int cnt, int id_aac);
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/** Apply one SBR element to one AAC element. */
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void ff_sbr_apply(AACContext *ac, SpectralBandReplication *sbr, int id_aac,
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                  float* L, float *R);
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#endif /* AVCODEC_AACSBR_H */