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libavcodec
aacsbr.h
Go to the documentation of this file.
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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 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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/**
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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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void
ff_aac_sbr_init
(
void
);
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/** Initialize one SBR context. */
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void
ff_aac_sbr_ctx_init
(
AACContext
*ac,
SpectralBandReplication
*sbr);
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/** Close one SBR context. */
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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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void
ff_aacsbr_func_ptr_init_mips
(
AACSBRContext
*
c
);
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#endif
/* AVCODEC_AACSBR_H */
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