| /* |
| * 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 FFmpeg. |
| * |
| * FFmpeg 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. |
| * |
| * FFmpeg 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 FFmpeg; 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. */ |
| void ff_aac_sbr_init(void); |
| /** Initialize one SBR context. */ |
| void ff_aac_sbr_ctx_init(AACContext *ac, SpectralBandReplication *sbr); |
| /** Close one SBR context. */ |
| 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); |
| |
| void ff_aacsbr_func_ptr_init_mips(AACSBRContext *c); |
| |
| #endif /* AVCODEC_AACSBR_H */ |