mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.8 KiB
49 lines
1.8 KiB
/* |
|
* AAC Spectral Band Replication function declarations |
|
* Copyright (c) 2008-2009 Robert Swain ( rob opendot cl ) |
|
* Copyright (c) 2010 Alex Converse <alex.converse@gmail.com> |
|
* |
|
* This file is part of Libav. |
|
* |
|
* Libav is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2.1 of the License, or (at your option) any later version. |
|
* |
|
* Libav is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with Libav; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
/** |
|
* @file |
|
* AAC Spectral Band Replication function declarations |
|
* @author Robert Swain ( rob opendot cl ) |
|
*/ |
|
|
|
#ifndef AVCODEC_AACSBR_H |
|
#define AVCODEC_AACSBR_H |
|
|
|
#include "get_bits.h" |
|
#include "aac.h" |
|
#include "sbr.h" |
|
|
|
/** Initialize SBR. */ |
|
av_cold void ff_aac_sbr_init(void); |
|
/** Initialize one SBR context. */ |
|
av_cold void ff_aac_sbr_ctx_init(AACContext *ac, SpectralBandReplication *sbr); |
|
/** Close one SBR context. */ |
|
av_cold void ff_aac_sbr_ctx_close(SpectralBandReplication *sbr); |
|
/** Decode one SBR element. */ |
|
int ff_decode_sbr_extension(AACContext *ac, SpectralBandReplication *sbr, |
|
GetBitContext *gb, int crc, int cnt, int id_aac); |
|
/** Apply one SBR element to one AAC element. */ |
|
void ff_sbr_apply(AACContext *ac, SpectralBandReplication *sbr, int id_aac, |
|
float* L, float *R); |
|
|
|
#endif /* AVCODEC_AACSBR_H */
|
|
|