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71 lines
2.4 KiB
71 lines
2.4 KiB
/* |
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* Common parts of the AAC decoders |
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* Copyright (c) 2005-2006 Oded Shimon ( ods15 ods15 dyndns org ) |
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* Copyright (c) 2006-2007 Maxim Gavrilov ( maxim.gavrilov gmail com ) |
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* Copyright (c) 2008-2013 Alex Converse <alex.converse@gmail.com> |
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* |
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* AAC LATM decoder |
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* Copyright (c) 2008-2010 Paul Kendall <paul@kcbbs.gen.nz> |
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* Copyright (c) 2010 Janne Grunau <janne-libav@jannau.net> |
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* |
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* AAC decoder fixed-point implementation |
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* Copyright (c) 2013 |
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* MIPS Technologies, Inc., California. |
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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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#include "libavcodec/aacsbr.h" |
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#include "libavcodec/aacdec.h" |
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#include "libavcodec/avcodec.h" |
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#include "libavutil/attributes.h" |
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#include "libavutil/macros.h" |
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#include "libavutil/mem.h" |
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#include "libavutil/tx.h" |
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av_cold int ff_aac_decode_close(AVCodecContext *avctx) |
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{ |
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AACDecContext *ac = avctx->priv_data; |
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int is_fixed = ac->is_fixed; |
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void (*sbr_close)(ChannelElement *che) = is_fixed ? RENAME_FIXED(ff_aac_sbr_ctx_close) |
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: ff_aac_sbr_ctx_close; |
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for (int type = 0; type < FF_ARRAY_ELEMS(ac->che); type++) { |
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for (int i = 0; i < MAX_ELEM_ID; i++) { |
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if (ac->che[type][i]) { |
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sbr_close(ac->che[type][i]); |
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av_freep(&ac->che[type][i]); |
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} |
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} |
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} |
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av_tx_uninit(&ac->mdct120); |
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av_tx_uninit(&ac->mdct128); |
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av_tx_uninit(&ac->mdct480); |
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av_tx_uninit(&ac->mdct512); |
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av_tx_uninit(&ac->mdct960); |
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av_tx_uninit(&ac->mdct1024); |
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av_tx_uninit(&ac->mdct_ltp); |
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// Compiler will optimize this branch away. |
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if (is_fixed) |
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av_freep(&ac->RENAME_FIXED(fdsp)); |
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else |
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av_freep(&ac->fdsp); |
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return 0; |
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}
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