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4349 | Serge | 1 | /* |
2 | * AAC Spectral Band Replication function declarations |
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3 | * Copyright (c) 2008-2009 Robert Swain ( rob opendot cl ) |
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4 | * Copyright (c) 2010 Alex Converse |
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5 | * |
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6 | * This file is part of FFmpeg. |
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7 | * |
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8 | * FFmpeg is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU Lesser General Public |
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10 | * License as published by the Free Software Foundation; either |
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11 | * version 2.1 of the License, or (at your option) any later version. |
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12 | * |
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13 | * FFmpeg is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 | * Lesser General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU Lesser General Public |
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19 | * License along with FFmpeg; if not, write to the Free Software |
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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21 | */ |
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22 | |||
23 | /** |
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24 | * @file |
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25 | * AAC Spectral Band Replication function declarations |
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26 | * @author Robert Swain ( rob opendot cl ) |
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27 | */ |
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28 | |||
29 | #ifndef AVCODEC_AACSBR_H |
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30 | #define AVCODEC_AACSBR_H |
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31 | |||
32 | #include "get_bits.h" |
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33 | #include "aac.h" |
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34 | #include "sbr.h" |
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35 | |||
36 | /** Initialize SBR. */ |
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37 | void ff_aac_sbr_init(void); |
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38 | /** Initialize one SBR context. */ |
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39 | void ff_aac_sbr_ctx_init(AACContext *ac, SpectralBandReplication *sbr); |
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40 | /** Close one SBR context. */ |
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41 | void ff_aac_sbr_ctx_close(SpectralBandReplication *sbr); |
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42 | /** Decode one SBR element. */ |
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43 | int ff_decode_sbr_extension(AACContext *ac, SpectralBandReplication *sbr, |
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44 | GetBitContext *gb, int crc, int cnt, int id_aac); |
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45 | /** Apply one SBR element to one AAC element. */ |
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46 | void ff_sbr_apply(AACContext *ac, SpectralBandReplication *sbr, int id_aac, |
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47 | float* L, float *R); |
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48 | |||
49 | void ff_aacsbr_func_ptr_init_mips(AACSBRContext *c); |
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50 | |||
51 | #endif /* AVCODEC_AACSBR_H */ |